/* roulang page: index */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            text-decoration: none;
            flex-shrink: 0;
            letter-spacing: -0.01em;
        }
        .header-logo:hover {
            text-decoration: none;
            color: var(--color-primary-dark);
        }
        .header-logo i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .header-nav li {
            margin: 0;
        }
        .header-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            text-decoration: none;
        }
        .header-nav a.active {
            color: var(--color-primary);
            background-color: rgba(43, 91, 132, 0.07);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: transparent;
            cursor: pointer;
            color: var(--color-text-secondary);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .header-search-btn:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }
        .header-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            padding: 8px 12px;
            border: 2px solid var(--color-border);
            border-radius: 24px;
            background: var(--color-white);
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            pointer-events: none;
            z-index: 10;
        }
        .header-search-input.expanded {
            width: 220px;
            opacity: 1;
            pointer-events: auto;
            border-color: var(--color-primary);
        }
        .header-search-input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
        }
        .header-icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: transparent;
            cursor: pointer;
            color: var(--color-text-secondary);
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            position: relative;
        }
        .header-icon-btn:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }
        .header-icon-btn .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 2px solid var(--color-white);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .mobile-nav-overlay.active {
            opacity: 1;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            right: -300px;
            width: 280px;
            height: calc(100vh - 64px);
            background: var(--color-white);
            z-index: 1000;
            padding: 20px;
            overflow-y: auto;
            transition: right var(--transition-normal);
            box-shadow: var(--shadow-xl);
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel.active {
            right: 0;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
            text-decoration: none;
        }
        .mobile-nav-panel a.active {
            background: rgba(43, 91, 132, 0.07);
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-nav-panel .btn-accent {
            margin-top: 12px;
            text-align: center;
            justify-content: center;
            display: flex;
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-gap) 0;
        }
        section.section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 700px;
        }
        .section-title-sm {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        /* ========== HERO - 对比选型 + 指标看板 ========== */
        .hero-section {
            background: linear-gradient(180deg, #EDF4FA 0%, #F4F8FC 100%);
            padding: 40px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(43, 91, 132, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-main-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-main-title span {
            color: var(--color-primary);
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 600px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-metric-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            min-width: 130px;
            flex: 1;
            text-align: center;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .hero-metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hero-metric-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .hero-metric-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .hero-metric-card.featured {
            border-color: var(--color-accent);
            background: #FFF9F5;
        }
        .hero-metric-card.featured .hero-metric-number {
            color: var(--color-accent);
        }
        /* 对比选型卡片 */
        .compare-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 8px;
        }
        .compare-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .compare-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .compare-card.recommended {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            z-index: 2;
            background: #FFFAF6;
        }
        .compare-card.recommended:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }
        .compare-card-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .compare-card-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 14px;
            text-align: center;
        }
        .compare-card.recommended .compare-card-icon {
            color: var(--color-accent);
        }
        .compare-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .compare-card-price {
            font-size: 1.8rem;
            font-weight: 700;
            text-align: center;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .compare-card.recommended .compare-card-price {
            color: var(--color-accent);
        }
        .compare-card-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .compare-card-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .compare-card-features li i {
            color: var(--color-success);
            font-size: 0.85rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .compare-card .btn {
            width: 100%;
            text-align: center;
            justify-content: center;
        }

        /* ========== 试用权益 / 服务矩阵 ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: var(--card-gap);
            align-items: stretch;
        }
        .service-matrix-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
            overflow: hidden;
        }
        .service-matrix-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .service-matrix-card.large {
            grid-row: span 2;
        }
        .service-matrix-card .card-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .service-matrix-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
            line-height: 1.3;
        }
        .service-matrix-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .service-matrix-card .card-img {
            border-radius: var(--radius-md);
            width: 100%;
            object-fit: cover;
            height: 180px;
            flex-shrink: 0;
        }
        .service-matrix-sub {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--card-gap);
        }

        /* ========== 资格说明 ========== */
        .eligibility-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .eligibility-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
        }
        .eligibility-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .eligibility-card .el-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(43, 91, 132, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
        }
        .eligibility-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .eligibility-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 结果对比 ========== */
        .compare-table-wrap {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            padding: 20px 24px;
            border-bottom: 1px solid var(--color-border-light);
            gap: 16px;
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row.header-row {
            background: var(--color-bg-light);
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .compare-team {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
        }
        .compare-team img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
        }
        .compare-vs {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            text-align: center;
            min-width: 40px;
        }
        .compare-bar {
            height: 8px;
            border-radius: 4px;
            background: var(--color-border-light);
            flex: 1;
            position: relative;
            overflow: hidden;
        }
        .compare-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--color-primary);
            transition: width 1s ease;
        }
        .compare-bar-fill.accent {
            background: var(--color-accent);
        }

        /* ========== 深度内容区 ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .deep-content-block.reverse {
            direction: rtl;
        }
        .deep-content-block.reverse>* {
            direction: ltr;
        }
        .deep-content-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .deep-content-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .deep-content-text .highlight-stat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1.1rem;
            margin: 8px 0;
        }
        .deep-content-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ========== 嘉宾亮点 ========== */
        .guest-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .guest-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .guest-scroll::-webkit-scrollbar-track {
            background: var(--color-border-light);
            border-radius: 3px;
        }
        .guest-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }
        .guest-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .guest-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .guest-card img {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--color-border-light);
        }
        .guest-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }
        .guest-card .guest-role {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
        }
        .guest-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 安全体系 ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .security-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .security-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .security-card .sec-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .security-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .security-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== 资讯区 ========== */
        .news-feed-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }
        .news-feed-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-feed-list li {
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition-fast);
        }
        .news-feed-list li:hover {
            background: var(--color-bg-light);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-sm);
        }
        .news-feed-list .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            font-weight: 500;
            min-width: 60px;
            padding-top: 2px;
        }
        .news-feed-list a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .news-feed-list a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }
        .news-sidebar-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: fit-content;
        }
        .news-sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .news-sidebar-card .hot-tag {
            display: inline-block;
            padding: 6px 14px;
            margin: 4px;
            border-radius: 20px;
            font-size: 0.82rem;
            background: var(--color-bg-light);
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .news-sidebar-card .hot-tag:hover {
            background: var(--color-primary);
            color: #fff;
            text-decoration: none;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 12px;
            line-height: 1.4;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-normal);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: #F8FAFC;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== 转化表单 ========== */
        .cta-form-section {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            border: 1px solid var(--color-border-light);
        }
        .cta-form-left {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: linear-gradient(135deg, #F8FAFC 0%, #EDF4FA 100%);
        }
        .cta-form-left h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-form-left p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .cta-form-right {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }
        .cta-form-right input {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: var(--color-bg-light);
        }
        .cta-form-right input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.08);
            background: #fff;
        }
        .cta-form-right .btn-accent {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-block {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .brand-intro-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 0 0 4px 4px;
        }
        .brand-intro-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .brand-intro-block p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 750px;
            margin: 0 auto;
        }

        /* ========== 新闻中心 ========== */
        .news-center-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-center-item {
            display: grid;
            grid-template-columns: 90px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 18px 20px;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            border-radius: var(--radius-sm);
        }
        .news-center-item:hover {
            background: var(--color-bg-light);
        }
        .news-center-date {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .news-center-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .news-center-info p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .news-center-item .btn-sm {
            flex-shrink: 0;
        }

        /* ========== 社会认同 ========== */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .social-proof-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .social-proof-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .social-proof-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.1;
        }
        .social-proof-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .social-proof-stars {
            color: #F6AD55;
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A2332;
            color: #CBD5E0;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col p {
            line-height: 1.7;
            margin-bottom: 8px;
            font-size: 0.88rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #CBD5E0;
            text-decoration: none;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid #4A5568;
            background: #2D3748;
            color: #fff;
            font-size: 0.88rem;
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--color-primary-light);
        }
        .footer-subscribe .btn-sm {
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid #2D3748;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #A0AEC0;
        }
        .footer-bottom a {
            color: #A0AEC0;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .compare-cards {
                grid-template-columns: 1fr 1fr;
            }
            .compare-card.recommended {
                grid-column: span 2;
                transform: translateY(0);
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-matrix-sub {
                grid-template-columns: 1fr 1fr;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px 24px;
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-feed-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-section {
                grid-template-columns: 1fr;
            }
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .eligibility-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-main-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .header-actions .header-icon-btn {
                display: none;
            }
            .header-actions .header-search-wrap {
                display: flex;
            }
            .compare-cards {
                grid-template-columns: 1fr;
            }
            .compare-card.recommended {
                grid-column: span 1;
                transform: translateY(0);
            }
            .hero-metrics {
                gap: 10px;
            }
            .hero-metric-card {
                min-width: 100px;
                padding: 14px 12px;
                flex: 1 1 calc(50% - 10px);
            }
            .hero-metric-number {
                font-size: 1.5rem;
            }
            .service-matrix-sub {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .social-proof-grid {
                grid-template-columns: 1fr 1fr;
            }
            .eligibility-grid {
                grid-template-columns: 1fr;
            }
            .compare-row {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 8px;
                padding: 14px 16px;
            }
            .compare-row.header-row {
                display: none;
            }
            .compare-vs {
                font-size: 0.85rem;
            }
            .news-center-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 14px 12px;
            }
            .news-center-date {
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .hero-main-title {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            section {
                padding: var(--section-gap-sm) 0;
            }
            .cta-form-left,
            .cta-form-right {
                padding: 28px 20px;
            }
            .brand-intro-block {
                padding: 32px 20px;
            }
            .deep-content-block {
                padding: 24px 16px;
            }
            .guest-card {
                flex: 0 0 240px;
            }
            .header-search-input.expanded {
                width: 160px;
            }
        }
        @media (max-width: 520px) {
            .hero-metrics {
                flex-direction: column;
                gap: 8px;
            }
            .hero-metric-card {
                flex: 1 1 auto;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .social-proof-grid {
                grid-template-columns: 1fr;
            }
            .hero-main-title {
                font-size: 1.45rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .compare-card {
                padding: 20px 16px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            .container {
                padding: 0 14px;
            }
            .hero-section {
                padding: 24px 0 40px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-white {
            background-color: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        .btn-white:hover {
            background-color: #f0f4f8;
            border-color: #f0f4f8;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: var(--color-primary-dark);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        .header-logo i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .header-nav {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .header-nav li {
            margin: 0;
        }

        .header-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .header-nav a:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            text-decoration: none;
        }

        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background-color: rgba(43, 91, 132, 0.08);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-search-wrap {
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: transparent;
            cursor: pointer;
            color: var(--color-text-secondary);
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .header-search-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }

        .header-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            padding: 8px 12px;
            border: 2px solid var(--color-border);
            border-radius: 20px;
            font-size: 0.85rem;
            background: var(--color-white);
            transition: all var(--transition-normal);
            pointer-events: none;
            z-index: 10;
        }

        .header-search-wrap.expanded .header-search-input {
            width: 220px;
            opacity: 1;
            pointer-events: auto;
        }

        .header-search-wrap.expanded .header-search-btn {
            z-index: 11;
        }

        .header-icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: transparent;
            cursor: pointer;
            color: var(--color-text-secondary);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            transition: all var(--transition-fast);
        }

        .header-icon-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }

        .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 8px;
            height: 8px;
            background-color: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-white);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #1a3a54 0%, #2B5B84 40%, #1E4A6B 100%);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero-content {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .page-hero-text {
            flex: 1;
            min-width: 280px;
        }

        .page-hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }

        .page-hero-text h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
            color: #fff;
        }

        .page-hero-text h1 span {
            color: var(--color-accent);
        }

        .page-hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 540px;
        }

        .page-hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            text-align: center;
            min-width: 110px;
            transition: all var(--transition-normal);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .hero-stat-card .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }

        .hero-stat-card .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: rgba(255, 94, 0, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            overflow: hidden;
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .card-body {
            padding: 24px;
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 14px;
            background: rgba(43, 91, 132, 0.08);
            color: var(--color-primary);
        }

        .card-icon.accent {
            background: rgba(255, 94, 0, 0.08);
            color: var(--color-accent);
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(43, 91, 132, 0.06);
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        /* ========== SERVICE GRID ========== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--card-gap);
        }

        .service-grid .card-wide {
            grid-column: span 2;
            display: flex;
            flex-direction: row;
            align-items: stretch;
        }

        .service-grid .card-wide .card-img-wrap {
            flex: 0 0 45%;
            min-height: 260px;
            overflow: hidden;
        }

        .service-grid .card-wide .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-grid .card-wide .card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 32px;
        }

        /* ========== DATA COMPARISON ========== */
        .comparison-section {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 40px;
            overflow: hidden;
        }

        .comparison-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .comparison-team {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .comparison-team .team-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .comparison-vs {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .comparison-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .comparison-bar-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .comparison-bar-label {
            flex: 0 0 80px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            text-align: right;
        }

        .comparison-bar-track {
            flex: 1;
            min-width: 200px;
            height: 28px;
            background: var(--color-bg-light);
            border-radius: 14px;
            display: flex;
            overflow: hidden;
            position: relative;
        }

        .comparison-bar-fill {
            height: 100%;
            border-radius: 14px;
            transition: width 1.2s ease;
            display: flex;
            align-items: center;
            padding-left: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
        }

        .bar-team-a {
            background: var(--color-primary);
        }

        .bar-team-b {
            background: var(--color-accent);
        }

        /* ========== COVERAGE TABLE ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .coverage-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: default;
        }

        .coverage-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .coverage-card .coverage-icon {
            font-size: 2rem;
            margin-bottom: 8px;
        }

        .coverage-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .coverage-card p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a3a54 0%, #2B5B84 100%);
            color: #fff;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }

        .cta-text p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-form-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .cta-form-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .cta-form-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            margin-bottom: 12px;
            transition: border-color var(--transition-fast);
            background: var(--color-bg-light);
        }

        .cta-form-card input:focus {
            border-color: var(--color-primary);
            outline: none;
            background: #fff;
        }

        .cta-form-card .btn {
            width: 100%;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a2a3a;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.85rem;
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe input:focus {
            border-color: rgba(255, 255, 255, 0.5);
            outline: none;
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .page-hero-content {
                flex-direction: column;
                gap: 32px;
            }
            .page-hero-stats {
                justify-content: center;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-grid .card-wide {
                grid-column: span 1;
                flex-direction: column;
            }
            .service-grid .card-wide .card-img-wrap {
                flex: 0 0 auto;
                min-height: 180px;
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .comparison-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                transition: transform var(--transition-normal);
                z-index: 999;
                border-bottom: 2px solid var(--color-border-light);
            }
            .header-nav.open {
                transform: translateY(0);
            }
            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .header-actions .header-icon-btn {
                display: none;
            }
            .header-search-wrap {
                display: none;
            }
            .page-hero {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .page-hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-stat-card {
                padding: 14px 16px;
                min-width: 80px;
            }
            .hero-stat-card .stat-number {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .comparison-section {
                padding: 20px;
            }
            .comparison-bar-label {
                flex: 0 0 60px;
                font-size: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-text h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero-text h1 {
                font-size: 1.5rem;
            }
            .page-hero-stats {
                gap: 10px;
            }
            .hero-stat-card {
                padding: 10px 12px;
                min-width: 65px;
            }
            .hero-stat-card .stat-number {
                font-size: 1.2rem;
            }
            .hero-stat-card .stat-label {
                font-size: 0.7rem;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .coverage-card {
                padding: 14px 10px;
            }
            .cta-form-card {
                padding: 20px;
            }
            .comparison-bar-label {
                flex: 0 0 50px;
                font-size: 0.7rem;
            }
            .comparison-bar-track {
                height: 22px;
                min-width: 120px;
            }
            .comparison-bar-fill {
                font-size: 0.7rem;
                padding-left: 8px;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category1 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --color-gold: #F0A500;
            --color-silver: #A0AEC0;
            --color-bronze: #C0763A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-white {
            background-color: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        .btn-white:hover {
            background-color: #f0f4f8;
            border-color: #f0f4f8;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: var(--color-primary-dark);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            flex-shrink: 0;
        }

        .header-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }

        .header-logo:hover {
            text-decoration: none;
            color: var(--color-text);
        }

        .header-nav {
            display: flex;
            list-style: none;
            gap: 4px;
            margin: 0;
            flex-wrap: wrap;
        }

        .header-nav li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav li a:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            text-decoration: none;
        }

        .header-nav li a.active {
            color: var(--color-primary);
            background-color: rgba(43, 91, 132, 0.08);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

        .header-search-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-text);
        }

        .header-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 0.85rem;
            background: #fff;
            transition: all var(--transition-normal);
            pointer-events: none;
            z-index: 10;
        }

        .header-search-wrap.expanded .header-search-input {
            width: 220px;
            opacity: 1;
            pointer-events: auto;
        }

        .header-icon-btn {
            position: relative;
            background: none;
            border: none;
            cursor: pointer;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

        .header-icon-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-text);
        }

        .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 8px;
            height: 8px;
            background-color: #E53E3E;
            border-radius: 50%;
            border: 2px solid #fff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background-color: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: linear-gradient(135deg, #1a2a3a 0%, #1E4A6B 40%, #2B5B84 100%);
            color: #fff;
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .page-hero-content {
            flex: 1;
            min-width: 280px;
        }

        .page-hero-badge {
            display: inline-block;
            background: rgba(255, 94, 0, 0.2);
            color: #FFB088;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #fff;
        }

        .page-hero h1 span {
            color: #FFB088;
        }

        .page-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 540px;
        }

        .page-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .page-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            text-align: center;
            min-width: 120px;
            transition: all var(--transition-normal);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.16);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
        }

        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: #FFB088;
            line-height: 1;
            margin-bottom: 6px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-bg-light {
            background-color: var(--color-white);
        }

        .section-bg-alt {
            background-color: var(--color-bg-light);
        }

        /* ========== RANKING CARDS GRID ========== */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .ranking-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .ranking-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .ranking-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(43, 91, 132, 0.08);
            color: var(--color-primary);
        }

        .ranking-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .ranking-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .ranking-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .ranking-card .card-link:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        .ranking-card .card-link i {
            transition: transform var(--transition-fast);
        }

        .ranking-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== TOP LIST TABLE ========== */
        .toplist-section {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .toplist-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .toplist-header h3 {
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .toplist-header h3 i {
            color: var(--color-accent);
        }

        .toplist-tabs {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .toplist-tab {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .toplist-tab:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .toplist-tab.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .toplist-table-wrap {
            overflow-x: auto;
        }

        .toplist-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .toplist-table th {
            background: var(--color-bg-light);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            color: var(--color-text-secondary);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            border-bottom: 2px solid var(--color-border);
            white-space: nowrap;
        }

        .toplist-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--color-border-light);
            vertical-align: middle;
        }

        .toplist-table tbody tr {
            transition: background var(--transition-fast);
        }

        .toplist-table tbody tr:hover {
            background: var(--color-bg-light);
        }

        .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .rank-1 {
            background: #FFF7E6;
            color: #D48806;
        }

        .rank-2 {
            background: #F5F5F5;
            color: #666;
        }

        .rank-3 {
            background: #FFF1E8;
            color: #C0763A;
        }

        .rank-other {
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .player-cell {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .player-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .highlight-stat {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1.05rem;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }

        .advantage-card {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
            background: rgba(255, 94, 0, 0.08);
            color: var(--color-accent);
        }

        .advantage-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .advantage-info p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== COVERAGE SECTION ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coverage-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .coverage-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .coverage-item .coverage-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: var(--color-primary);
        }

        .coverage-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .coverage-item p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .comparison-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .comparison-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .comparison-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .comparison-content p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .comparison-list li {
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
        }

        .comparison-list li i {
            color: var(--color-success);
            font-size: 1rem;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: all var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-normal);
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E4A6B 0%, #2B5B84 100%);
            color: #fff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .cta-info {
            flex: 1;
            min-width: 280px;
        }

        .cta-info h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-xl);
            flex-shrink: 0;
            width: 380px;
            max-width: 100%;
        }

        .cta-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
            text-align: center;
        }

        .cta-form-card .form-group {
            margin-bottom: 16px;
        }

        .cta-form-card label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }

        .cta-form-card input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
            background: #fff;
        }

        .cta-form-card input:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
        }

        .cta-form-card .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* ========== UPDATE SECTION ========== */
        .update-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 700px;
            margin: 0 auto;
        }

        .update-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-left: 2px solid var(--color-border-light);
            padding-left: 28px;
            position: relative;
            transition: border-color var(--transition-normal);
        }

        .update-item:hover {
            border-left-color: var(--color-primary);
        }

        .update-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 26px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px var(--color-primary-light);
        }

        .update-time {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
            min-width: 100px;
            flex-shrink: 0;
        }

        .update-desc {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .update-desc strong {
            color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a2535;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.85rem;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero .container {
                flex-direction: column;
                text-align: center;
            }
            .page-hero-desc {
                max-width: 100%;
            }
            .page-hero-actions {
                justify-content: center;
            }
            .page-hero-stats {
                justify-content: center;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .cta-section .container {
                flex-direction: column;
                text-align: center;
            }
            .cta-form-card {
                width: 100%;
            }
            .header-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px 20px;
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 999;
                border-top: 1px solid var(--color-border-light);
            }
            .header-nav.mobile-open li a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 56px 0;
            }
            .section-sm {
                padding: 36px 0;
            }
            .toplist-section {
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero-stats {
                gap: 12px;
            }
            .hero-stat-card {
                padding: 16px 20px;
                min-width: 100px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .toplist-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .toplist-table {
                font-size: 0.82rem;
            }
            .toplist-table th,
            .toplist-table td {
                padding: 10px 8px;
            }
            .comparison-content h3 {
                font-size: 1.3rem;
            }
            .header-actions .btn-sm {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .header-search-wrap.expanded .header-search-input {
                width: 160px;
            }
            .cta-form-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero-desc {
                font-size: 0.95rem;
            }
            .hero-stat-card {
                min-width: 80px;
                padding: 12px 14px;
            }
            .hero-stat-number {
                font-size: 1.3rem;
            }
            .hero-stat-label {
                font-size: 0.75rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .toplist-section {
                padding: 16px;
            }
            .toplist-tabs {
                gap: 4px;
            }
            .toplist-tab {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .update-item {
                padding-left: 18px;
                gap: 12px;
            }
            .update-time {
                min-width: 70px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-white {
            background-color: #fff;
            color: var(--color-primary-dark);
            border-color: #fff;
            font-weight: 700;
        }

        .btn-white:hover {
            background-color: #f0f4f8;
            border-color: #f0f4f8;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: var(--color-primary-dark);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: rgba(255, 94, 0, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            max-width: 700px;
            line-height: 1.6;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary-dark);
            text-decoration: none;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .header-logo i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .header-logo:hover {
            text-decoration: none;
            color: var(--color-primary-dark);
        }

        .header-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
            flex-wrap: nowrap;
        }

        .header-nav li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .header-nav li a:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
            text-decoration: none;
        }

        .header-nav li a.active {
            background: rgba(43, 91, 132, 0.08);
            color: var(--color-primary);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--color-text-muted);
            font-size: 1.1rem;
            padding: 8px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .header-search-btn:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }

        .header-search-input {
            position: absolute;
            right: 40px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            padding: 8px 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: var(--color-white);
            font-size: 0.9rem;
            color: var(--color-text);
            transition: all var(--transition-normal);
            pointer-events: none;
            z-index: 10;
        }

        .header-search-input.expanded {
            width: 220px;
            opacity: 1;
            pointer-events: auto;
        }

        .header-icon-btn {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--color-text-muted);
            font-size: 1.1rem;
            padding: 8px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .header-icon-btn:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }

        .badge-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-white);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== HERO VIDEO STYLE ========== */
        .hero-video {
            position: relative;
            width: 100%;
            min-height: 560px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-video-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 20, 40, 0.75) 0%, rgba(10, 20, 40, 0.85) 100%);
            z-index: 1;
        }

        .hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
        }

        .hero-video-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            border: 3px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            font-size: 2.4rem;
            color: #fff;
            transition: all var(--transition-normal);
            margin-bottom: 28px;
            animation: pulse-ring 2.5s ease-out infinite;
        }

        .hero-video-play-btn:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            transform: scale(1.08);
            box-shadow: 0 0 40px rgba(255, 94, 0, 0.5);
            animation: none;
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
            }
            70% {
                box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .hero-video-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-video-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-video-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px 32px;
            margin-top: -60px;
            position: relative;
            z-index: 5;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .metric-card {
            padding: 20px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

        .metric-card:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-number .highlight {
            color: var(--color-accent);
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .metric-trend {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 12px;
            margin-top: 6px;
        }

        .metric-trend.up {
            background: rgba(56, 161, 105, 0.12);
            color: var(--color-success);
        }

        .metric-trend.down {
            background: rgba(214, 158, 46, 0.12);
            color: var(--color-warning);
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: var(--card-gap);
            align-items: start;
        }

        .service-card-large {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            grid-row: span 2;
            border: 1px solid var(--color-border-light);
        }

        .service-card-large:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .service-card-large .card-img {
            height: 240px;
            overflow: hidden;
        }

        .service-card-large .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .service-card-large:hover .card-img img {
            transform: scale(1.05);
        }

        .service-card-large .card-body {
            padding: 28px 24px;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 24px;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .service-card-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(43, 91, 132, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .service-card-icon.accent {
            background: rgba(255, 94, 0, 0.08);
            color: var(--color-accent);
        }

        .service-card-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .service-card-info p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        .service-card-large .card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .service-card-large .card-body p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-wrapper {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 36px;
            border: 1px solid var(--color-border-light);
        }

        .comparison-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .comparison-player {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 180px;
        }

        .comparison-player-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            overflow: hidden;
        }

        .comparison-player-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .comparison-vs {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .comparison-bars {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .comparison-bar-row {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            gap: 16px;
        }

        .comparison-bar {
            height: 10px;
            border-radius: 5px;
            background: var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .comparison-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width var(--transition-slow);
        }

        .comparison-bar-fill.left {
            background: var(--color-primary);
            float: right;
        }

        .comparison-bar-fill.right {
            background: var(--color-accent);
        }

        .comparison-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            text-align: center;
            white-space: nowrap;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .deep-content-block.reverse {
            direction: rtl;
        }

        .deep-content-block.reverse>* {
            direction: ltr;
        }

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
            line-height: 1.4;
        }

        .deep-content-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .deep-content-image:hover img {
            transform: scale(1.03);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
        }

        .process-step:hover .process-step-number {
            background: var(--color-accent);
            transform: scale(1.1);
            box-shadow: var(--shadow-lg);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--color-bg-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: 12px;
            transition: all var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-normal);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg-light);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ========== CTA FORM ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            align-items: stretch;
        }

        .cta-text {
            padding: 48px 40px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
            line-height: 1.3;
        }

        .cta-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .cta-form-wrap {
            background: var(--color-bg-card);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
        }

        .cta-form-wrap h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--color-text);
        }

        .cta-form-wrap .form-group {
            margin-bottom: 16px;
        }

        .cta-form-wrap label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }

        .cta-form-wrap input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: var(--color-bg-light);
            color: var(--color-text);
        }

        .cta-form-wrap input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
            outline: none;
            background: #fff;
        }

        .cta-form-wrap .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
        }

        .cta-form-wrap .btn-submit:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .brand-intro-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        .brand-intro-card p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 750px;
            margin: 0 auto;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A2332;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .site-footer ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.85rem;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .service-matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-card-large {
                grid-column: 1 / -1;
                grid-row: auto;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .cta-form-wrap {
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            }
            .hero-video-title {
                font-size: 2.2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .header-nav {
                gap: 0;
            }
            .header-nav li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero-video {
                min-height: 420px;
            }
            .hero-video-title {
                font-size: 1.8rem;
            }
            .hero-video-subtitle {
                font-size: 1rem;
            }
            .hero-video-play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.8rem;
            }
            .metrics-dashboard {
                margin-top: -30px;
                padding: 24px 16px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .metric-number {
                font-size: 1.6rem;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .comparison-wrapper {
                padding: 20px;
            }
            .comparison-bar-row {
                grid-template-columns: 1fr auto 1fr;
                gap: 8px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .hamburger {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 999;
                gap: 2px;
            }
            .header-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .header-nav li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .header-actions .header-icon-btn {
                display: none;
            }
            .header-search-input.expanded {
                width: 160px;
            }
            .cta-text {
                padding: 32px 24px;
            }
            .cta-form-wrap {
                padding: 32px 24px;
                border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            }
            .brand-intro-card {
                padding: 24px;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-video-title {
                font-size: 1.5rem;
            }
            .hero-video {
                min-height: 360px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 14px 10px;
            }
            .metric-number {
                font-size: 1.4rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .comparison-header {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .comparison-vs {
                font-size: 1.2rem;
            }
            .hero-video-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-video-actions .btn {
                width: 100%;
                max-width: 280px;
            }
            .footer-subscribe {
                flex-direction: column;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-text);
            flex-shrink: 0;
        }

        .header-logo i {
            color: var(--color-accent);
            font-size: 1.4rem;
        }

        .header-logo:hover {
            text-decoration: none;
            color: var(--color-primary);
        }

        .header-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: wrap;
        }

        .header-nav li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav li a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
            text-decoration: none;
        }

        .header-nav li a.active {
            color: var(--color-primary);
            background: #EBF4FA;
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

        .header-search-btn:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }

        .header-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            padding: 8px 12px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            background: var(--color-white);
            pointer-events: none;
            z-index: 10;
        }

        .header-search-input.expanded {
            width: 240px;
            opacity: 1;
            pointer-events: auto;
        }

        .header-icon-btn {
            background: none;
            border: none;
            cursor: pointer;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            font-size: 1rem;
        }

        .header-icon-btn:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }

        .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-white);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(135deg, #1A2D3D 0%, #2B5B84 40%, #1E4A6B 100%);
            padding: 64px 0 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.04em;
        }

        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 0 0 14px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .page-banner .banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-title {
            margin-bottom: 10px;
        }

        /* ========== STATS OVERVIEW ========== */
        .stats-overview {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 32px;
            margin-top: -40px;
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 16px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-value.accent {
            color: var(--color-accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== RANKING CARDS ========== */
        .ranking-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .ranking-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

        .ranking-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }

        .ranking-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .ranking-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .ranking-card:hover .ranking-card-img img {
            transform: scale(1.04);
        }

        .ranking-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .ranking-card-body {
            padding: 20px;
        }

        .ranking-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .ranking-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0 0 14px;
            line-height: 1.5;
        }

        .ranking-card-body .btn {
            font-size: 0.85rem;
        }

        /* ========== TOP LIST ========== */
        .top-list-section {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
        }

        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
        }

        .rank-list-item:last-child {
            border-bottom: none;
        }

        .rank-list-item:hover {
            background: var(--color-bg-light);
        }

        .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .rank-num.top1 {
            background: #FFD700;
            color: #5C3D00;
        }

        .rank-num.top2 {
            background: #C0C0C0;
            color: #3A3A3A;
        }

        .rank-num.top3 {
            background: #CD7F32;
            color: #fff;
        }

        .rank-num.normal {
            background: var(--color-bg-light);
            color: var(--color-text-secondary);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
        }

        .rank-detail {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .rank-stat {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            flex-shrink: 0;
            text-align: right;
            min-width: 60px;
        }

        .rank-change {
            font-size: 0.8rem;
            font-weight: 600;
            flex-shrink: 0;
            min-width: 40px;
            text-align: center;
        }

        .rank-change.up {
            color: #38A169;
        }

        .rank-change.down {
            color: #E53E3E;
        }

        .rank-change.same {
            color: var(--color-text-muted);
        }

        /* ========== COMPARISON ========== */
        .comparison-block {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 24px;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
        }

        .comparison-team {
            text-align: center;
        }

        .comparison-team img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 12px;
            border: 3px solid var(--color-border-light);
        }

        .comparison-team h4 {
            font-weight: 700;
            margin: 0 0 4px;
        }

        .comparison-vs {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-accent);
            background: #FFF3EB;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .comparison-bars {
            margin-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .comp-bar-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        .comp-bar {
            flex: 1;
            height: 8px;
            background: var(--color-border-light);
            border-radius: 4px;
            overflow: hidden;
        }

        .comp-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--color-primary);
            transition: width var(--transition-slow);
        }

        .comp-bar-fill.accent {
            background: var(--color-accent);
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }

        .scenario-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: #EBF4FA;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-primary);
        }

        .scenario-content h4 {
            font-weight: 700;
            margin: 0 0 6px;
            font-size: 1.05rem;
        }

        .scenario-content p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 0;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 0;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            background: var(--color-bg-light);
            padding: 16px;
            border-radius: var(--radius-sm);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1A2D3D 0%, #2B5B84 60%, #1E4A6B 100%);
            border-radius: var(--radius-xl);
            padding: 48px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
        }

        .cta-form-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-card h3 {
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--color-text);
            font-size: 1.1rem;
        }

        .cta-form-card .form-group {
            margin-bottom: 14px;
        }

        .cta-form-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
            background: var(--color-bg-light);
        }

        .cta-form-card input:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
            background: #fff;
        }

        .cta-form-card .btn {
            width: 100%;
            margin-top: 4px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A2D3D;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            margin: 0 0 14px;
            font-size: 1rem;
        }

        .footer-col p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0 0 10px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe input:focus {
            border-color: rgba(255, 255, 255, 0.6);
            outline: none;
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a,
        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
        }

        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 0;
            }
            .header-nav li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .ranking-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-block {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 28px;
            }
            .comparison-vs {
                margin: 0 auto;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 32px;
                gap: 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .header-nav {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 12px 20px;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
                gap: 2px;
                max-height: 70vh;
                overflow-y: auto;
            }
            .header-nav.show {
                display: flex;
            }
            .header-nav li a {
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .header-search-input.expanded {
                width: 180px;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .ranking-cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stats-overview {
                padding: 20px;
                margin-top: -24px;
            }
            .stat-value {
                font-size: 1.6rem;
            }
            .top-list-section {
                padding: 20px;
            }
            .rank-list-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }
            .rank-stat {
                min-width: 50px;
                font-size: 0.95rem;
            }
            .comparison-block {
                padding: 20px;
            }
            .cta-section {
                padding: 24px;
                border-radius: var(--radius-lg);
            }
            .faq-section {
                padding: 20px;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
                gap: 10px;
            }
            .scenario-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: 12px 8px;
            }
            .stat-value {
                font-size: 1.4rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .banner-actions {
                flex-direction: column;
            }
            .banner-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .header-search-input.expanded {
                width: 140px;
                font-size: 0.8rem;
            }
            .rank-list-item {
                padding: 10px 8px;
                gap: 6px;
            }
            .rank-num {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .rank-name {
                font-size: 0.85rem;
            }
            .rank-stat {
                font-size: 0.85rem;
                min-width: 40px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-white {
            background-color: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        .btn-white:hover {
            background-color: #f0f4f8;
            border-color: #f0f4f8;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: var(--color-primary-dark);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-logo i {
            color: var(--color-accent);
            font-size: 1.4rem;
        }

        .header-logo:hover {
            text-decoration: none;
            color: var(--color-text);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .header-nav li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav li a:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            text-decoration: none;
        }

        .header-nav li a.active {
            color: var(--color-primary);
            background-color: rgba(43, 91, 132, 0.08);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .header-search-wrap {
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .header-search-btn:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
        }

        .header-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 0.85rem;
            background: var(--color-white);
            transition: all var(--transition-normal);
            pointer-events: none;
            z-index: 10;
        }

        .header-search-wrap.expanded .header-search-input {
            width: 220px;
            opacity: 1;
            pointer-events: auto;
        }

        .header-search-wrap.expanded .header-search-btn {
            color: var(--color-primary);
        }

        .header-icon-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 1rem;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .header-icon-btn:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
        }

        .badge-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 8px;
            height: 8px;
            background-color: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-white);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(135deg, #1E4A6B 0%, #2B5B84 40%, #1A3A52 100%);
            padding: 32px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .page-banner h1 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 700;
            margin: 0 0 8px;
            letter-spacing: 0.02em;
        }

        .page-banner .banner-sub {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== HERO SECTION (众筹预热风格：进度环+档位预览+支持按钮) ========== */
        .hero-schedule {
            padding: 60px 0 50px;
            background-color: var(--color-white);
            position: relative;
        }

        .hero-schedule .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-progress-area {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 20px;
        }

        .progress-ring-wrap {
            position: relative;
            width: 220px;
            height: 220px;
        }

        .progress-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .progress-ring-bg {
            fill: none;
            stroke: #E8ECF1;
            stroke-width: 14;
        }

        .progress-ring-fg {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 14;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-ring-center .progress-num {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1;
        }

        .progress-ring-center .progress-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .hero-progress-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .hero-tier-area {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-tier-area .tier-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .tier-cards {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .tier-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
        }

        .tier-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            background: #fff;
        }

        .tier-card.featured {
            border-color: var(--color-accent);
            background: #FFF8F4;
            box-shadow: var(--shadow-sm);
        }

        .tier-card.featured .tier-badge {
            position: absolute;
            top: -10px;
            right: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .tier-card .tier-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .tier-card.featured .tier-icon {
            background: var(--color-accent);
        }

        .tier-card .tier-info {
            flex: 1;
        }

        .tier-card .tier-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .tier-card .tier-desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: 0.02em;
        }

        .section-header .section-sub {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-tag {
            display: inline-block;
            background: rgba(43, 91, 132, 0.08);
            color: var(--color-primary);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        /* ========== METRICS BOARD ========== */
        .metrics-board {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 32px 28px;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            text-align: center;
            padding: 20px 16px;
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            background: #fff;
        }

        .metric-card .metric-icon {
            font-size: 1.6rem;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .metric-card .metric-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1;
        }

        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== SERVICE MATRIX (非对称) ========== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .service-card-large {
            grid-row: span 2;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
            overflow: hidden;
        }

        .service-card-large:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .service-card-large .service-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 4px;
        }

        .service-card-large h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }

        .service-card-large p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        .service-card-small {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .service-card-small:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .service-card-small .svc-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(43, 91, 132, 0.08);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .service-card-small .svc-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 4px;
        }

        .service-card-small .svc-info p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== TIMELINE / CALENDAR ========== */
        .schedule-timeline {
            position: relative;
            padding-left: 32px;
        }

        .schedule-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-border);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding: 20px 24px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 24px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
            z-index: 2;
        }

        .timeline-item .tl-date {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .timeline-item .tl-match {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .timeline-item .tl-info {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .comparison-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: all var(--transition-normal);
            border-top: 4px solid transparent;
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .comparison-card.card-nba {
            border-top-color: #C9082A;
        }

        .comparison-card.card-cba {
            border-top-color: #E03A3E;
        }

        .comparison-card.card-epl {
            border-top-color: #3D195B;
        }

        .comparison-card .comp-league {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .comparison-card .comp-stat {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .comparison-card .comp-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .comparison-card .comp-detail {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 12px;
            line-height: 1.5;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
            margin-bottom: 32px;
        }

        .deep-content-block.reverse {
            direction: rtl;
        }

        .deep-content-block.reverse .deep-text {
            direction: ltr;
        }

        .deep-content-block .deep-img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .deep-content-block .deep-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
        }

        .deep-content-block .deep-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
        }

        .deep-content-block .deep-text ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .deep-content-block .deep-text ul li {
            padding: 6px 0 6px 24px;
            position: relative;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .deep-content-block .deep-text ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-success);
            font-weight: 700;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: all var(--transition-fast);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ========== CTA FORM ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E4A6B 0%, #2B5B84 100%);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .cta-text {
            padding: 48px 40px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cta-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
        }

        .cta-text p {
            font-size: 0.95rem;
            line-height: 1.7;
            opacity: 0.9;
            margin: 0 0 8px;
        }

        .cta-text .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cta-text .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .cta-text .cta-benefits li i {
            color: #5CFF8A;
            font-size: 0.85rem;
        }

        .cta-form-area {
            padding: 48px 40px;
            background: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }

        .cta-form-area .form-field {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .cta-form-area label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
        }

        .cta-form-area input {
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: var(--color-bg-light);
            width: 100%;
        }

        .cta-form-area input:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
            background: #fff;
        }

        .cta-form-area .btn {
            width: 100%;
            margin-top: 4px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0F1F2E;
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 14px;
        }

        .footer-col p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin: 0 0 10px;
            opacity: 0.8;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.85rem;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
            font-size: 0.8rem;
            opacity: 0.7;
            gap: 10px;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-schedule .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .service-matrix-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }

            .service-card-large {
                grid-row: span 1;
            }

            .comparison-cards {
                grid-template-columns: 1fr 1fr;
            }

            .comparison-cards .comparison-card:last-child {
                grid-column: span 2;
            }

            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px;
            }

            .deep-content-block.reverse {
                direction: ltr;
            }

            .cta-grid {
                grid-template-columns: 1fr;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 999;
            }

            .header-nav.open {
                display: flex;
            }

            .header-nav li a {
                padding: 10px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .hamburger {
                display: flex;
            }

            .header-actions .btn-accent {
                display: none;
            }

            .header-search-wrap.expanded .header-search-input {
                width: 160px;
            }

            .comparison-cards {
                grid-template-columns: 1fr;
            }

            .comparison-cards .comparison-card:last-child {
                grid-column: span 1;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .hero-progress-area {
                gap: 16px;
            }

            .progress-ring-wrap {
                width: 180px;
                height: 180px;
            }

            .progress-ring-center .progress-num {
                font-size: 2.2rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .page-banner h1 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-bottom-links {
                justify-content: center;
                gap: 10px;
            }

            .cta-text {
                padding: 32px 24px;
            }

            .cta-form-area {
                padding: 32px 24px;
            }

            .deep-content-block .deep-img {
                height: 200px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-card {
                padding: 14px 10px;
            }

            .metric-card .metric-value {
                font-size: 1.4rem;
            }

            .hero-progress-stats {
                gap: 16px;
            }

            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }

            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }

            .hero-cta-row .btn {
                width: 100%;
            }

            .tier-card {
                padding: 12px 14px;
                gap: 10px;
            }

            .timeline-item {
                padding: 14px 16px;
            }

            .schedule-timeline {
                padding-left: 24px;
            }

            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }

            .schedule-timeline::before {
                left: 8px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn-white {
            background-color: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }
        .btn-white:hover {
            background-color: #f0f4f8;
            border-color: #f0f4f8;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: var(--color-primary-dark);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--color-accent);
            font-size: 1.4rem;
        }
        .header-logo:hover {
            text-decoration: none;
            color: var(--color-primary);
        }
        .header-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .header-nav li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .header-nav li a:hover {
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            text-decoration: none;
        }
        .header-nav li a.active {
            color: var(--color-primary);
            background-color: #E8F0F8;
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search-wrap {
            display: flex;
            align-items: center;
            position: relative;
        }
        .header-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            border-radius: 50%;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
        }
        .header-search-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .header-search-input {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            padding: 0;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            background: var(--color-white);
            transition: all var(--transition-normal);
            pointer-events: none;
            z-index: 10;
            height: 36px;
        }
        .header-search-wrap.expanded .header-search-input {
            width: 220px;
            opacity: 1;
            padding: 0 12px;
            pointer-events: auto;
        }
        .header-icon-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            border-radius: 50%;
            transition: all var(--transition-fast);
            position: relative;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .header-icon-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 8px;
            height: 8px;
            background-color: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-white);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: linear-gradient(135deg, #1A2D3D 0%, #1E3A52 40%, #2B5B84 100%);
            color: #fff;
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.25;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            max-width: 560px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-badge i {
            color: var(--color-accent);
            margin-right: 6px;
        }
        .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-content h1 span {
            color: var(--color-accent);
        }
        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .hero-reward-card {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .hero-reward-card .reward-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            color: #fff;
        }
        .hero-reward-card .reward-text {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.5;
        }
        .hero-reward-card .reward-text strong {
            color: #FFD700;
        }
        .hero-progress-wrap {
            margin-bottom: 20px;
        }
        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 6px;
        }
        .hero-progress-label span {
            font-weight: 600;
            color: #FFD700;
        }
        .hero-progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            overflow: hidden;
        }
        .hero-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), #FF8C3A);
            border-radius: 4px;
            transition: width 1.5s ease;
            width: 78%;
            position: relative;
        }
        .hero-progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 14px;
            height: 14px;
            background: #fff;
            border-radius: 50%;
            border: 3px solid var(--color-accent);
            box-shadow: 0 0 8px rgba(255, 94, 0, 0.5);
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-visual-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(10px);
            text-align: center;
            max-width: 400px;
            width: 100%;
        }
        .hero-visual-card img {
            border-radius: var(--radius-lg);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            margin-bottom: 16px;
            box-shadow: var(--shadow-lg);
        }
        .hero-visual-card .visual-label {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .hero-visual-card .visual-sub {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
        }
        .hero-stats-row {
            display: flex;
            gap: 20px;
            margin-top: 16px;
            justify-content: center;
        }
        .hero-stat-mini {
            text-align: center;
        }
        .hero-stat-mini .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFD700;
        }
        .hero-stat-mini .stat-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .bg-white {
            background-color: var(--color-white);
        }
        .bg-light {
            background-color: var(--color-bg-light);
        }
        .bg-dark {
            background-color: #1A2D3D;
            color: #fff;
        }
        .bg-dark h2,
        .bg-dark h3 {
            color: #fff;
        }
        .bg-dark p {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
            line-height: 1.4;
        }
        .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: #E8F0F8;
            color: var(--color-primary);
            margin-right: 6px;
            margin-bottom: 4px;
        }
        .card-tag.accent {
            background: #FFF0E8;
            color: var(--color-accent);
        }
        .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-meta i {
            font-size: 0.7rem;
        }

        /* ========== GRID LAYOUTS ========== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }
        .grid-asymmetric {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: var(--card-gap);
        }
        .grid-asymmetric-reverse {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: var(--card-gap);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        /* ========== FEATURE LIST ========== */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list li i {
            color: var(--color-success);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .quote-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            opacity: 0.5;
            margin-bottom: 8px;
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: 12px;
            line-height: 1.4;
        }
        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: #F8FAFC;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1A2D3D 0%, #2B5B84 100%);
            color: #fff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 94, 0, 0.1);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-left h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-left p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .cta-form-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-xl);
            color: var(--color-text);
        }
        .cta-form-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .cta-form-card .form-group {
            margin-bottom: 14px;
        }
        .cta-form-card label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .cta-form-card input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
            background: var(--color-bg-light);
        }
        .cta-form-card input:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
            background: #fff;
        }
        .cta-form-card .btn {
            width: 100%;
            margin-top: 4px;
        }
        .cta-form-note {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A2D3D;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col p {
            line-height: 1.7;
            margin-bottom: 8px;
            font-size: 0.85rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.85rem;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.15);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8rem;
        }
        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 0;
            }
            .header-nav li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .cta-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .grid-asymmetric,
            .grid-asymmetric-reverse {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                transition: transform var(--transition-normal);
                z-index: 999;
                gap: 2px;
            }
            .header-nav.open {
                transform: translateY(0);
            }
            .header-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .header-search-wrap.expanded .header-search-input {
                width: 160px;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .page-hero {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .hero-stats-row {
                flex-wrap: wrap;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .container {
                padding: 0 14px;
            }
            .hero-reward-card {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-progress-label {
                font-size: 0.75rem;
            }
            .cta-form-card {
                padding: 20px;
            }
            .card-body {
                padding: 14px 16px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #2B5B84;
            --color-primary-dark: #1E4A6B;
            --color-primary-light: #3A7DB5;
            --color-accent: #FF5E00;
            --color-accent-dark: #D94F00;
            --color-bg: #F4F8FC;
            --color-white: #FFFFFF;
            --color-text: #1A1A2E;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-bg-light: #F8FAFC;
            --color-bg-card: #FFFFFF;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --card-gap: 32px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text);
            margin-top: 0;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--color-text-secondary);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 4px;
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            flex-shrink: 0;
            white-space: nowrap;
        }
        .header-logo i {
            color: var(--color-accent);
            font-size: 1.4rem;
        }
        .header-logo:hover {
            text-decoration: none;
            color: var(--color-text);
        }
        .header-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .header-nav li {
            margin: 0;
            padding: 0;
        }
        .header-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .header-nav a:hover {
            color: var(--color-primary);
            background-color: rgba(43, 91, 132, 0.05);
            text-decoration: none;
        }
        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background-color: rgba(43, 91, 132, 0.08);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            color: var(--color-text-muted);
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
        }
        .header-search-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .header-search-input {
            position: absolute;
            right: 40px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            opacity: 0;
            padding: 8px 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: var(--color-white);
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            pointer-events: none;
            box-shadow: var(--shadow-md);
            z-index: 10;
        }
        .header-search-input.expanded {
            width: 240px;
            opacity: 1;
            pointer-events: auto;
        }
        .header-icon-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            color: var(--color-text-muted);
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
        }
        .header-icon-btn:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 8px;
            height: 8px;
            background-color: var(--color-accent);
            border-radius: 50%;
            border: 2px solid var(--color-white);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
            background: rgba(255, 94, 0, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            max-width: 640px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header-center {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-body {
            padding: 24px;
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-highlight {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-lg);
            position: relative;
            background: #FFFCF9;
        }
        .card-highlight::before {
            content: '🔥 推荐';
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            z-index: 2;
            letter-spacing: 0.03em;
        }

        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(180deg, #F0F5FA 0%, #F4F8FC 100%);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .hero-section .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-card-stack {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-mini-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .hero-mini-card.highlighted {
            border-left: 4px solid var(--color-accent);
            box-shadow: var(--shadow-lg);
            background: #FFFCF9;
            transform: scale(1.03);
            z-index: 2;
        }
        .hero-mini-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
            font-size: 1.1rem;
        }
        .hero-mini-card.highlighted .hero-mini-card-icon {
            background: rgba(255, 94, 0, 0.1);
            color: var(--color-accent);
        }
        .hero-mini-card-info h4 {
            font-size: 0.95rem;
            margin: 0 0 2px;
            color: var(--color-text);
        }
        .hero-mini-card-info span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .hero-mini-card-stat {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-left: auto;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ========== TOPIC GRID ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }
        .topic-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 0;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .topic-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .topic-card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            background: rgba(43, 91, 132, 0.08);
            color: var(--color-primary);
            width: fit-content;
        }
        .topic-card-tag.hot {
            background: rgba(255, 94, 0, 0.1);
            color: var(--color-accent);
        }
        .topic-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .topic-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .topic-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .topic-card-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        /* ========== FEATURE LIST ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(43, 91, 132, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
        }
        .feature-item h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .deep-content-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 320px;
        }
        .deep-content-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .deep-content-text h3 {
            font-size: 1.6rem;
            margin-bottom: 16px;
        }
        .deep-content-text p {
            margin-bottom: 12px;
            line-height: 1.75;
        }
        .deep-content-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .deep-content-list li {
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }
        .deep-content-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ========== FLOW STEPS ========== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .flow-step {
            text-align: center;
            position: relative;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .flow-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .flow-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .flow-step h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }
        .flow-arrow {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: all var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            background-color: var(--color-bg-light);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-normal);
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 60px 0;
            color: #fff;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-info h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-info p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 0;
            line-height: 1.7;
        }
        .cta-form-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-xl);
        }
        .cta-form-card h3 {
            margin-bottom: 20px;
            color: var(--color-text);
            font-size: 1.2rem;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
            background: var(--color-bg-light);
            color: var(--color-text);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 91, 132, 0.1);
            background: #fff;
        }
        .form-submit {
            width: 100%;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A2A3A;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.12);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px;
            }
            .deep-content-img {
                height: 240px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 12px 16px;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--color-border-light);
                z-index: 999;
                gap: 2px;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 10px 14px;
                font-size: 0.9rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .header-search-input.expanded {
                width: 180px;
                right: 36px;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
                flex-wrap: wrap;
            }
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-mini-card.highlighted {
                transform: scale(1.01);
            }
            .card-highlight::before {
                font-size: 0.7rem;
                padding: 3px 8px;
                top: 8px;
                right: 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .deep-content-block {
                padding: 20px;
            }
            .deep-content-img {
                height: 180px;
            }
            .cta-form-card {
                padding: 20px;
            }
            .header-search-input.expanded {
                width: 140px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }