/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-weak);
        }
        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px;
            cursor: pointer;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            flex-direction: column;
            padding: 20px;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 60px 0 70px;
            background: linear-gradient(180deg, #f0f5ff 0%, #f8fafc 40%, #ffffff 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 18px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
        }
        .hero-status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10b981;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
            }
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-ctas {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--border);
            transition: all var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .hero-icon-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 700px;
            margin: 0 auto;
        }
        .hero-icon-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }
        .hero-icon-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .hero-icon-item .icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .hero-icon-item .icon-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.3;
        }
        .icon-blue {
            background: #dbeafe;
            color: #1d4ed8;
        }
        .icon-amber {
            background: #fef3c7;
            color: #d97706;
        }
        .icon-green {
            background: #d1fae5;
            color: #059669;
        }
        .icon-purple {
            background: #ede9fe;
            color: #7c3aed;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 56px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        /* ========== CARDS ========== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card-highlight {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-md);
            position: relative;
            background: #fff;
        }
        .card-highlight::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        /* ========== GRID LAYOUTS ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-7 {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 14px;
        }

        /* ========== METRICS ========== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .metric-sub {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ========== COMPARISON TABLE ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }
        .compare-table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
        }
        .compare-table .col-feature {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }
        .compare-table .check-icon {
            color: #10b981;
            font-size: 1.1rem;
        }
        .compare-table .dash-icon {
            color: #cbd5e1;
        }
        .compare-table .highlight-col {
            background: #f0f5ff;
        }
        .compare-table .highlight-col th {
            background: #dbeafe;
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            gap: 12px;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fafbfc;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 22px;
        }

        /* ========== NEWS LIST ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 28px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateY(-1px);
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--text-weak);
            font-weight: 500;
        }
        .news-item .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }
        .news-item .news-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-item .btn-read-more {
            align-self: flex-start;
            padding: 7px 16px;
            border-radius: 18px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .btn-read-more:hover {
            background: var(--primary);
            color: #fff;
        }
        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }
        .news-sidebar h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }
        .news-sidebar .hot-tag {
            display: inline-block;
            padding: 6px 13px;
            border-radius: 18px;
            font-size: 0.8rem;
            background: var(--bg);
            color: var(--text-secondary);
            margin: 3px 4px;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .news-sidebar .hot-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, #1a56db 0%, #2563eb 40%, #1d4ed8 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: #fff;
            color: var(--primary);
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            color: var(--primary-dark);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 48px 0 28px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .site-footer a {
            color: #cbd5e1;
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: #94a3b8;
        }
        .footer-bottom a {
            color: #94a3b8;
            margin: 0 6px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-7 {
                grid-template-columns: repeat(4, 1fr);
            }
            .grid-7 .grid-item:nth-child(n+5) {
                grid-column: span 2;
            }
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-icon-grid {
                grid-template-columns: repeat(2, 1fr);
                max-width: 400px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 2rem;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-search {
                width: 150px;
            }
            .nav-search:focus-within {
                width: 180px;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .grid-7 {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .metrics-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hero-icon-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                max-width: 340px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .section {
                padding: 36px 0;
            }
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .compare-table-wrap {
                border-radius: var(--radius);
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 1.3rem;
            }
            .card-highlight::before {
                right: 10px;
                top: -10px;
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .news-item {
                padding: 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-icon-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                max-width: 280px;
            }
            .hero-icon-item {
                padding: 14px 10px;
            }
            .hero-icon-item .icon-circle {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .hero-icon-item .icon-label {
                font-size: 0.75rem;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-ctas {
                flex-direction: column;
                width: 100%;
            }
            .metrics-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-value {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 14px;
            }
            .grid-7 {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 12px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
            --hero-overlay: rgba(0, 0, 0, 0.72);
            --gradient-hero: linear-gradient(135deg, rgba(13, 27, 62, 0.92) 0%, rgba(26, 54, 108, 0.78) 40%, rgba(10, 20, 45, 0.88) 100%);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: var(--primary);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

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

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: var(--border-light);
        }

        /* ========== HERO ========== */
        .hero-expert {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: #0a142d;
            background-image: var(--gradient-hero), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
        }

        .hero-expert .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 86, 219, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(245, 158, 11, 0.15) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-expert .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-expert .hero-text-area {
            color: #fff;
        }

        .hero-expert .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.2);
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fbbf24;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-expert .hero-badge .hot-dot {
            width: 8px;
            height: 8px;
            background: #f59e0b;
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(245, 158, 11, 0);
            }
        }

        .hero-expert .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .hero-expert .hero-title .highlight {
            color: #fbbf24;
            position: relative;
        }

        .hero-expert .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-expert .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--accent);
            color: #1e293b;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
        }

        .btn-hero-primary:hover {
            background: #fbbf24;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
            color: #1e293b;
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .hero-expert .hero-stats-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

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

        .hero-stat-item .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fbbf24;
            line-height: 1;
            margin-bottom: 6px;
        }

        .hero-stat-item .stat-value .unit {
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }

        /* ========== SECTIONS COMMON ========== */
        .section {
            padding: 72px 0;
        }

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

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

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            border: 1px solid var(--border-light);
        }

        .metric-card {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-lg);
            background: var(--bg);
            transition: all var(--transition);
            position: relative;
        }

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

        .metric-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            font-size: 1.3rem;
            background: var(--primary-light);
            color: var(--primary);
        }

        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1;
            margin-bottom: 4px;
        }

        .metric-card .metric-value .suffix {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
        }

        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #10b981;
            margin-top: 6px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .service-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .service-card .card-img-wrap .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #1e293b;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 16px;
            z-index: 2;
        }

        .service-card .card-body {
            padding: 22px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .service-card .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .service-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 14px;
        }

        .service-card .card-body .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .btn-card {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 22px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            width: 100%;
            text-align: center;
        }

        .btn-card:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
            color: #fff;
        }

        .btn-card-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 22px;
            font-size: 0.875rem;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            transition: all var(--transition);
            width: 100%;
            text-align: center;
        }

        .btn-card-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 44px 36px;
            border: 1px solid var(--border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            font-size: 0.95rem;
        }

        .comparison-table thead th {
            background: var(--bg);
            padding: 16px 20px;
            font-weight: 700;
            color: var(--text);
            text-align: center;
            border-bottom: 2px solid var(--border);
        }

        .comparison-table thead th:first-child {
            border-radius: var(--radius) 0 0 0;
            text-align: left;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius) 0 0;
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .comparison-table tbody td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            vertical-align: middle;
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius);
        }

        .comparison-table tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius) 0;
        }

        .comparison-table .check-icon {
            color: #10b981;
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #ef4444;
            font-size: 1.1rem;
        }

        .comparison-table .highlight-cell {
            background: #fefce8;
            font-weight: 600;
            color: var(--accent-dark);
        }

        /* ========== EXPERT SHOWCASE ========== */
        .expert-showcase-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .expert-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .expert-card .expert-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 14px;
            font-weight: 700;
        }

        .expert-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
        }

        .expert-card .expert-specialty {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .expert-card .expert-stats {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .expert-card .expert-stats strong {
            color: var(--accent-dark);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 28px 16px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--primary-light);
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }

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

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .testimonial-card .author-info .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .author-info .author-role {
            font-size: 0.78rem;
            color: var(--text-weak);
        }

        .testimonial-card .rating-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--text-weak);
            font-size: 0.9rem;
        }

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

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

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

        .faq-item .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f1d3d 0%, #1a3560 50%, #0d1a35 100%);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(245, 158, 11, 0.18) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 14px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0 0 28px;
            line-height: 1.7;
        }

        .cta-section .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-section .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition);
        }

        .cta-section .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-section .cta-form input:focus {
            border-color: #fbbf24;
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
        }

        .btn-cta-submit {
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--accent);
            color: #1e293b;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
        }

        .btn-cta-submit:hover {
            background: #fbbf24;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .site-footer .footer-links h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin: 0 0 14px;
        }

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

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

        .site-footer .footer-links ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .site-footer .footer-links ul li a:hover {
            color: #fbbf24;
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

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

        .site-footer .footer-bottom a:hover {
            color: #fbbf24;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-expert .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-expert .hero-stats-panel {
                grid-template-columns: repeat(4, 1fr);
            }
            .hero-expert {
                min-height: auto;
                padding: 60px 0;
            }
            .hero-expert .hero-title {
                font-size: 2.2rem;
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-dashboard {
                grid-template-columns: repeat(2, 1fr);
            }
            .expert-showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-search {
                width: 160px;
            }
            .nav-search:focus-within {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 12px 16px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.mobile-open a {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
            }
            .nav-search {
                width: 140px;
            }
            .nav-search:focus-within {
                width: 150px;
            }
            .hero-expert .hero-title {
                font-size: 1.8rem;
            }
            .hero-expert .hero-stats-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                padding: 20px 16px;
            }
            .hero-stat-item .stat-value {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .metrics-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                padding: 24px 16px;
            }
            .expert-showcase-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .comparison-section {
                padding: 24px 16px;
                overflow-x: auto;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-expert .hero-title {
                font-size: 1.5rem;
            }
            .hero-expert .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-expert .hero-stats-panel {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 16px 12px;
            }
            .hero-stat-item .stat-value {
                font-size: 1.3rem;
            }
            .metrics-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 16px 10px;
            }
            .metric-card .metric-value {
                font-size: 1.4rem;
            }
            .expert-showcase-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search {
                width: 120px;
                padding: 6px 10px;
            }
            .nav-search input {
                font-size: 0.78rem;
            }
            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
        }
        p {
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-weak);
        }
        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: var(--border-light);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 28px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-highlight {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-md);
            background: var(--surface);
            position: relative;
            transform: scale(1.03);
            z-index: 2;
        }
        .card-highlight:hover {
            box-shadow: var(--shadow-lg);
            transform: scale(1.05);
            border-color: var(--primary-dark);
        }
        .card-highlight .badge-recommend {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 10px rgba(26, 86, 219, 0.35);
        }

        /* ========== BADGES & TAGS ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: #fef3c7;
            color: #b45309;
        }
        .badge-success {
            background: #d1fae5;
            color: #065f46;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
            max-width: 700px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 60px;
            overflow: hidden;
            background: linear-gradient(160deg, #f0f5ff 0%, #f8fafc 40%, #ffffff 100%);
        }
        .hero-bg-image {
            position: absolute;
            right: 0;
            top: 0;
            width: 48%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            pointer-events: none;
            border-radius: 0 0 0 60px;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-text h1 span {
            color: var(--primary);
        }
        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-compare-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            align-items: stretch;
        }
        .hero-compare-cards .card {
            padding: 20px 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 10px;
            border-radius: var(--radius);
        }
        .hero-compare-cards .card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
        }
        .hero-compare-cards .card .price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
        }
        .hero-compare-cards .card .price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-weak);
        }
        .hero-compare-cards .card ul {
            text-align: left;
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.8;
            flex-grow: 1;
        }
        .hero-compare-cards .card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary);
            margin-right: 6px;
            font-size: 0.7rem;
        }
        .hero-compare-cards .card-highlight {
            border-color: var(--primary);
            background: #fafcff;
        }
        .hero-compare-cards .card-highlight .price {
            color: var(--accent);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .metric-card .metric-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
        }
        .metric-card .metric-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .metric-card .metric-icon.amber {
            background: #fef3c7;
            color: #b45309;
        }
        .metric-card .metric-icon.green {
            background: #d1fae5;
            color: #065f46;
        }
        .metric-card .metric-icon.purple {
            background: #ede9fe;
            color: #5b21b6;
        }
        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: transparent;
        }
        .service-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .card-img img {
            transform: scale(1.06);
        }
        .service-card .card-body {
            padding: 24px 20px;
        }
        .service-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .service-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        /* ========== COMPARISON TABLE ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            background: var(--surface);
            border: 1px solid var(--border);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-table th {
            background: #f8fafc;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            position: sticky;
            top: 0;
        }
        .compare-table th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }
        .compare-table td {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .compare-table .col-highlight {
            background: #fafcff;
            border-left: 2px solid var(--primary);
            border-right: 2px solid var(--primary);
        }
        .compare-table .col-highlight th {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
        }
        .compare-table .icon-check {
            color: #10b981;
            font-size: 1.1rem;
        }
        .compare-table .icon-dash {
            color: #cbd5e1;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: color var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 0.85rem;
            color: var(--text-weak);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a56db 0%, #1e40af 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            line-height: 1.6;
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid transparent;
            font-size: 0.95rem;
            background: #fff;
            color: var(--text);
            transition: all var(--transition);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
        }
        .cta-form .btn {
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: #94a3b8;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid #334155;
            font-size: 0.82rem;
            color: #94a3b8;
        }
        .site-footer .footer-bottom a {
            color: #94a3b8;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-bg-image {
                width: 100%;
                opacity: 0.08;
                border-radius: 0;
            }
            .hero-compare-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-compare-cards .card {
                padding: 16px 12px;
            }
            .hero-compare-cards .card-highlight {
                transform: scale(1.02);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-search {
                display: none;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hero-compare-cards {
                grid-template-columns: 1fr;
                max-width: 360px;
                margin: 0 auto;
            }
            .hero-compare-cards .card-highlight {
                transform: scale(1);
                order: -1;
            }
            .hero-compare-cards .card-highlight:hover {
                transform: scale(1.02);
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .hero-section {
                padding: 50px 0 36px;
            }
            .hero-text h1 {
                font-size: 1.65rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .compare-table-wrap {
                border-radius: var(--radius);
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 360px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .hero-compare-cards {
                max-width: 100%;
            }
            .nav-links a {
                padding: 5px 8px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 6px 12px;
                border-radius: 18px;
            }
            .container {
                padding: 0 14px;
            }
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .card {
                padding: 18px 14px;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category1 */
/* ========== 设计系统变量 ========== */
        :root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
        }

        /* ========== 基础Reset与覆盖Bootstrap ========== */
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        /* 覆盖Bootstrap默认 */
        .btn {
            border-radius: var(--radius);
            font-weight: 600;
            transition: all var(--transition);
            padding: 10px 24px;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-primary {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-warning {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-warning:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .container {
            max-width: var(--max-width);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-weak);
        }
        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== 板块通用样式 ========== */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-lg {
            padding: 96px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 680px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-title {
            margin-bottom: 12px;
        }
        .badge-accent {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-dark);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        /* ========== Hero Banner ========== */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #0f1b3d 0%, #13294b 40%, #0d1f3c 100%);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 80px 0;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 1;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 27, 61, 0.7) 0%, rgba(13, 31, 60, 0.9) 100%);
            z-index: 2;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 3;
            color: #fff;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .hero-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-banner .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-banner .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-banner .hero-stats-row {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-banner .hero-stat-item {
            text-align: left;
        }
        .hero-banner .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .hero-banner .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== 指标看板 ========== */
        .metrics-section {
            background: var(--surface);
            margin-top: -40px;
            position: relative;
            z-index: 10;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 40px 32px;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }
        .metric-card {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-lg);
            transition: all var(--transition);
            background: var(--bg);
            height: 100%;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            background: var(--surface);
        }
        .metric-card .metric-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            background: var(--primary-light);
            color: var(--primary);
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .metric-card .metric-trend {
            display: inline-block;
            font-size: 0.8rem;
            color: #10b981;
            font-weight: 600;
            margin-top: 6px;
        }

        /* ========== 服务矩阵卡片 ========== */
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            height: 100%;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .service-card .service-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .service-card .service-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent-dark);
            margin-top: 14px;
        }
        .service-card .card-img-top {
            border-radius: var(--radius) var(--radius) 0 0;
            margin: -32px -28px 20px -28px;
            width: calc(100% + 56px);
            max-width: calc(100% + 56px);
            height: 180px;
            object-fit: cover;
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            margin-bottom: 16px;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .step-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--text);
        }
        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 对比区域 ========== */
        .compare-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .compare-card.before {
            border-left: 4px solid #e2e8f0;
        }
        .compare-card.after {
            border-left: 4px solid #10b981;
            background: #f0fdf4;
        }
        .compare-card h3 {
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card ul li {
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card ul li i {
            font-size: 0.8rem;
        }
        .compare-card.before ul li i {
            color: #cbd5e1;
        }
        .compare-card.after ul li i {
            color: #10b981;
        }

        /* ========== FAQ手风琴 ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            padding: 18px 22px;
            background: var(--surface);
            box-shadow: none;
            border-radius: var(--radius) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
            border-color: var(--primary);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA区域 ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a3a6b 0%, #0f1b3d 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 1;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.2);
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
        }
        .cta-form .btn-cta-submit {
            padding: 14px 32px;
            border-radius: 28px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-form .btn-cta-submit:hover {
            background: #e8960a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .footer-links h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-search {
                width: 150px;
            }
            .nav-search:focus-within {
                width: 180px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .hero-banner h1 {
                font-size: 2.4rem;
            }
            .hero-banner .hero-stats-row {
                gap: 24px;
            }
            .hero-banner .hero-stat-number {
                font-size: 1.7rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .metrics-section {
                margin-top: -30px;
                padding: 28px 20px;
            }
            .cta-section {
                padding: 40px 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.mobile-open a {
                padding: 12px 16px;
                border-radius: var(--radius);
                width: 100%;
                font-size: 0.95rem;
            }
            .hero-banner {
                min-height: 400px;
                padding: 60px 0;
            }
            .hero-banner h1 {
                font-size: 1.9rem;
            }
            .hero-banner .hero-desc {
                font-size: 1rem;
            }
            .hero-banner .hero-stats-row {
                gap: 16px;
                flex-wrap: wrap;
            }
            .hero-banner .hero-stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .metrics-section {
                margin-top: -20px;
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 360px;
            }
            .service-card .card-img-top {
                height: 140px;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .compare-card {
                margin-bottom: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .hero-banner .hero-stats-row {
                gap: 10px;
            }
            .hero-banner .hero-stat-number {
                font-size: 1.2rem;
            }
            .hero-banner .hero-stat-label {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .metric-card .metric-value {
                font-size: 1.5rem;
            }
            .metrics-section {
                margin-top: -16px;
                padding: 16px 12px;
            }
            .cta-section {
                padding: 24px 16px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        /* 移动端导航抽屉 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
        }
        .mobile-nav-overlay.show {
            display: block;
        }

        /* 动画 */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

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

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

        a:hover {
            color: var(--primary);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            flex-shrink: 0;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 28px;
        }

        /* ========== SECTION ========== */
        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-lg {
            padding: 96px 0;
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(170deg, #f0f4ff 0%, #e8f0fe 30%, #f8fafc 70%, #ffffff 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-meta-item i {
            color: var(--primary);
            font-size: 1.1rem;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-card-panel {
            background: var(--surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 28px 24px;
            width: 100%;
            max-width: 440px;
            border: 1px solid var(--border-light);
        }

        .hero-card-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
        }

        .hero-card-panel .panel-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-panel .panel-title .live-dot {
            width: 10px;
            height: 10px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
        }

        .hero-card-panel .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            gap: 8px;
        }

        .hero-card-panel .match-row:last-child {
            border-bottom: none;
        }

        .hero-card-panel .team-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            flex: 1;
            text-align: center;
        }

        .hero-card-panel .score {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text);
            min-width: 40px;
            text-align: center;
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
        }

        .hero-card-panel .match-status {
            font-size: 0.75rem;
            color: #ef4444;
            font-weight: 600;
            text-align: center;
        }

        .hero-card-panel .match-time {
            font-size: 0.78rem;
            color: var(--text-weak);
            text-align: center;
            min-width: 44px;
        }

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

        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .metric-card .metric-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

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

        .metric-card .metric-sub {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .service-card .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: var(--primary-light);
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

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

        .service-card .card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.02em;
        }

        /* ========== LIVE DEMO ========== */
        .live-demo-section {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .live-demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .live-demo-info h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
        }

        .live-demo-info p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .live-demo-table {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .live-demo-table .table-header {
            background: var(--primary);
            color: #fff;
            padding: 14px 18px;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .live-demo-table .table-row {
            display: grid;
            grid-template-columns: 1fr 60px 1fr 70px;
            padding: 12px 18px;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            font-size: 0.88rem;
            transition: background var(--transition);
        }

        .live-demo-table .table-row:hover {
            background: rgba(26, 86, 219, 0.03);
        }

        .live-demo-table .table-row:last-child {
            border-bottom: none;
        }

        .live-demo-table .team-col {
            font-weight: 600;
            color: var(--text);
            text-align: center;
        }

        .live-demo-table .score-col {
            font-weight: 800;
            font-size: 1.1rem;
            text-align: center;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            padding: 3px 0;
        }

        .live-demo-table .status-col {
            text-align: center;
            font-size: 0.78rem;
            color: #ef4444;
            font-weight: 600;
        }

        /* ========== COMPARISON ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 2px solid var(--border);
            background: var(--surface);
            transition: all var(--transition);
        }

        .comparison-card.negative {
            border-color: #fecaca;
            background: #fef2f2;
        }

        .comparison-card.positive {
            border-color: #bbf7d0;
            background: #f0fdf4;
            box-shadow: var(--shadow-md);
        }

        .comparison-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card.negative h4 {
            color: #dc2626;
        }

        .comparison-card.positive h4 {
            color: #16a34a;
        }

        .comparison-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-card ul li {
            padding: 7px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .comparison-card ul li i {
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-card.negative ul li i {
            color: #ef4444;
        }

        .comparison-card.positive ul li i {
            color: #16a34a;
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }

        .feature-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }

        .feature-item .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .feature-item .feature-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
        }

        .feature-item .feature-text p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .testimonial-card .quote-icon {
            color: var(--primary-light);
            font-size: 2rem;
            margin-bottom: 8px;
            opacity: 0.6;
        }

        .testimonial-card .quote-text {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

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

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

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

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

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-weak);
            flex-shrink: 0;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

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

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a56db 0%, #1040b0 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid transparent;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.95);
            color: var(--text);
            transition: all var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
            background: #fff;
        }

        .cta-form .btn-cta-submit {
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .cta-form .btn-cta-submit:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 56px 0 32px;
            font-size: 0.9rem;
        }

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

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .footer-links h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin: 0 0 14px;
        }

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

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

        .footer-links ul li a {
            color: #94a3b8;
            transition: color var(--transition);
            font-size: 0.88rem;
        }

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

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                order: -1;
            }
            .hero-card-panel {
                max-width: 100%;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-demo-grid {
                grid-template-columns: 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .nav-search {
                width: 160px;
            }
            .nav-search:focus-within {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .hero-section {
                padding: 48px 0 44px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-desc {
                font-size: 1rem;
            }
            .hero-meta {
                gap: 14px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-card .metric-number {
                font-size: 2rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                width: 140px;
            }
            .nav-search:focus-within {
                width: 160px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .comparison-grid {
                max-width: 100%;
            }
            .live-demo-table .table-row {
                grid-template-columns: 1fr 44px 1fr 56px;
                padding: 10px 10px;
                font-size: 0.78rem;
            }
            .live-demo-table .score-col {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 8px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card .metric-number {
                font-size: 1.6rem;
            }
            .metric-card .metric-label {
                font-size: 0.8rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .hero-card-panel {
                padding: 18px 14px;
            }
            .hero-card-panel .match-row {
                padding: 7px 0;
            }
            .hero-card-panel .team-name {
                font-size: 0.78rem;
            }
            .hero-card-panel .score {
                font-size: 1rem;
                min-width: 32px;
                padding: 3px 7px;
            }
            .nav-inner {
                padding: 0 14px;
                gap: 8px;
            }
            .nav-search {
                width: 110px;
                padding: 7px 10px;
            }
            .nav-search:focus-within {
                width: 130px;
            }
            .btn-nav-cta {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            z-index: 999;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }

        .mobile-nav-drawer.open {
            transform: translateX(0);
        }

        .mobile-nav-drawer a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

/* roulang page: category6 */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

        a:hover {
            color: var(--primary);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

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

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #1e293b;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
        }

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

        .card-stat {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }

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

        .card-stat .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .card-stat .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ========== BADGES & TAGS ========== */
        .badge-custom {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-accent {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: #fef3c7;
            color: #b45309;
        }

        .badge-green {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: #d1fae5;
            color: #065f46;
        }

        /* ========== SECTIONS ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

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

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
            max-width: 700px;
        }

        .bg-light-section {
            background: #f1f5f9;
        }

        .bg-primary-section {
            background: var(--primary);
            color: #fff;
        }

        .bg-primary-section .section-title {
            color: #fff;
        }

        .bg-primary-section .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(170deg, #f0f4ff 0%, #e8f0fe 40%, #f8fafc 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary-light);
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 540px;
        }

        .hero-sellpoints {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .hero-sellpoints li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.5;
        }

        .hero-sellpoints li i {
            color: #10b981;
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .hero-trust-strip {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust-strip i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 100%;
            min-height: 320px;
            background: #e2e8f0;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #fff;
        }

        .comparison-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            border: none;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text);
            background: #fff;
        }

        .comparison-table tbody tr:hover td {
            background: #f8fafc;
        }

        .comparison-table .highlight-row td {
            background: #fefce8;
            font-weight: 600;
        }

        .comparison-table .check-icon {
            color: #10b981;
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #ef4444;
            font-size: 1.1rem;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: all var(--transition);
            gap: 12px;
        }

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

        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-weak);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

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

        /* ========== CTA FORM ========== */
        .cta-form-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-form-card input {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 2px solid var(--border);
            font-size: 1rem;
            transition: all var(--transition);
            background: #fafbfc;
        }

        .cta-form-card input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.06);
            background: #fff;
        }

        .cta-form-card .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: var(--radius);
            background: var(--primary);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            margin-top: 12px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.35);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #334155;
        }

        .site-footer .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .site-footer h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

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

        .site-footer ul li a {
            color: #94a3b8;
            transition: color var(--transition);
            font-size: 0.85rem;
        }

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

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            gap: 12px;
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .nav-search {
                width: 140px;
            }
            .nav-search:focus-within {
                width: 180px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-padding {
                padding: 50px 0;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 50px 0 40px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
                gap: 4px;
            }
            .nav-links.mobile-open a {
                padding: 12px 16px;
                border-radius: var(--radius);
                width: 100%;
            }
            .hero-image-wrap {
                min-height: 220px;
                margin-top: 24px;
            }
            .comparison-table {
                font-size: 0.75rem;
                overflow-x: auto;
                display: block;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.75rem;
                white-space: nowrap;
            }
            .cta-form-card {
                padding: 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .card-stat .stat-number {
                font-size: 1.8rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-sm {
                padding: 30px 0;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .hero-sellpoints li {
                font-size: 0.85rem;
            }
            .hero-trust-strip {
                font-size: 0.75rem;
                gap: 10px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (min-width: 1025px) {
            .hero-image-wrap {
                min-height: 380px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --primary-glow: rgba(26, 86, 219, 0.12);
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fff7e6;
            --bg: #f8fafc;
            --bg-alt: #f1f5f9;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

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

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg-alt);
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-xl {
            padding: 100px 0;
        }

        /* ========== HERO (无大图·图标矩阵+状态条+短标题) ========== */
        .hero-betting {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-betting::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-betting .status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-light);
            border: 1px solid rgba(26, 86, 219, 0.2);
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 20px;
            animation: pulse-status 2.5s ease-in-out infinite;
        }

        @keyframes pulse-status {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(26, 86, 219, 0.15);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(26, 86, 219, 0);
            }
        }

        .hero-betting .status-dot {
            width: 9px;
            height: 9px;
            background: #10b981;
            border-radius: 50%;
            flex-shrink: 0;
            animation: blink-dot 1.5s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .hero-betting h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .hero-betting .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 24px;
        }

        .icon-matrix .icon-cell {
            width: 56px;
            height: 56px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
            cursor: default;
            box-shadow: var(--shadow-sm);
        }

        .icon-matrix .icon-cell:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.3);
            white-space: nowrap;
        }

        .btn-primary-lg:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline-lg:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--bg);
            padding: 50px 0;
        }

        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            border: 1px solid var(--border-light);
            height: 100%;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .metric-card .metric-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--primary);
        }

        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

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

        .metric-card .metric-trend {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }

        .metric-trend.up {
            background: #ecfdf5;
            color: #059669;
        }

        .metric-trend.stable {
            background: #eff6ff;
            color: #2563eb;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            background: var(--surface);
            padding: 60px 0;
        }

        .service-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            border: 1px solid transparent;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .service-card .service-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-light);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }

        .service-card .service-icon-wrap {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .service-card p {
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .service-card .service-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin-top: 16px;
        }

        .service-card .service-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--bg-alt);
            padding: 60px 0;
        }

        .comparison-table-wrap {
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .comparison-table-wrap table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table-wrap thead th {
            background: var(--primary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            border: none;
        }

        .comparison-table-wrap thead th:first-child {
            background: #0f3a8a;
            text-align: left;
            border-radius: 0;
        }

        .comparison-table-wrap thead th:last-child {
            background: #1a56db;
        }

        .comparison-table-wrap tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text);
            font-weight: 500;
        }

        .comparison-table-wrap tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
            background: #fafbfc;
        }

        .comparison-table-wrap tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table-wrap .check-icon {
            color: #10b981;
            font-size: 1.1rem;
        }

        .comparison-table-wrap .cross-icon {
            color: #ef4444;
            font-size: 1.1rem;
        }

        .comparison-table-wrap .highlight-row td {
            background: #fefce8;
            font-weight: 600;
        }

        /* ========== STRATEGY SECTION ========== */
        .strategy-section {
            background: var(--surface);
            padding: 60px 0;
        }

        .strategy-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .strategy-step:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            background: #fff;
        }

        .strategy-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .strategy-step .step-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--text);
        }

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

        /* ========== TESTIMONIALS ========== */
        .testimonial-section {
            background: var(--bg);
            padding: 60px 0;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition);
        }

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

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 10px;
            opacity: 0.7;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--surface);
            padding: 60px 0;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: #fff;
            transition: all var(--transition);
            overflow: hidden;
        }

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

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            user-select: none;
            transition: background var(--transition);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: var(--bg);
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -150px;
            left: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -200px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-xl);
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
        }

        .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 28px;
            border: 2px solid var(--border);
            font-size: 0.95rem;
            transition: all var(--transition);
            background: var(--bg);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.08);
            background: #fff;
        }

        .btn-submit {
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
        }

        .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(26, 86, 219, 0.4);
            transform: translateY(-2px);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: var(--bg-alt);
            padding: 50px 0;
        }

        .brand-intro-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .brand-intro-card h3 {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text);
        }

        .brand-intro-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 4px;
        }

        .site-footer h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #e2e8f0;
            margin-bottom: 12px;
        }

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

        .site-footer ul li {
            margin-bottom: 7px;
        }

        .site-footer ul li a {
            color: #94a3b8;
            transition: color var(--transition);
            font-size: 0.875rem;
        }

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

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-search {
                width: 140px;
            }
            .nav-search:focus-within {
                width: 170px;
            }
            .hero-betting h1 {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .icon-matrix .icon-cell {
                width: 46px;
                height: 46px;
                font-size: 1.2rem;
            }
            .comparison-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .comparison-table-wrap table {
                min-width: 600px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .hero-betting {
                padding: 40px 0 36px;
            }
            .hero-betting h1 {
                font-size: 1.6rem;
            }
            .hero-betting .hero-subtitle {
                font-size: 0.95rem;
            }
            .icon-matrix {
                gap: 8px;
            }
            .icon-matrix .icon-cell {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .section-xl {
                padding: 60px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-card {
                padding: 24px 18px;
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .strategy-step {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary-lg,
            .hero-actions .btn-outline-lg {
                width: 100%;
                justify-content: center;
            }
            .metric-card .metric-value {
                font-size: 1.6rem;
            }
            .brand-intro-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .container-narrow {
                padding: 0 14px;
            }
            .hero-betting h1 {
                font-size: 1.35rem;
            }
            .hero-betting .status-bar {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .icon-matrix .icon-cell {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .comparison-table-wrap thead th,
            .comparison-table-wrap tbody td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1a56db;
            --primary-dark: #1040b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1260px;
            --nav-height: 64px;
            --gold: #d4a745;
            --gold-light: #fdf0d5;
            --gold-dark: #b8861e;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

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

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--text);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
            width: 240px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.875rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-weak);
        }

        .nav-search .search-icon {
            color: var(--text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 6px rgba(26, 86, 219, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.28);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(26, 86, 219, 0.38);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.22);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--accent);
            color: #1e293b;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.30);
            border: none;
            cursor: pointer;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.40);
            transform: translateY(-2px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1.05rem;
            font-weight: 700;
            background: linear-gradient(135deg, #d4a745, #c99735);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(180, 130, 30, 0.35);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #c99735, #b8861e);
            box-shadow: 0 8px 28px rgba(180, 130, 30, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 32px;
        }

        /* ========== BADGES ========== */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            background: #fef2f2;
            color: #dc2626;
            white-space: nowrap;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(220, 38, 38, 0);
            }
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--gold-light);
            color: var(--gold-dark);
            white-space: nowrap;
        }

        /* ========== CARDS ========== */
        .card-surface {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
        }

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

        .card-highlight {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 2px solid var(--primary-light);
            transition: all var(--transition-slow);
            height: 100%;
            position: relative;
        }

        .card-gold {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--gold);
            transition: all var(--transition-slow);
            height: 100%;
            position: relative;
        }

        .card-gold::before {
            content: '热门推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gold);
            color: #fff;
            padding: 5px 18px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        /* ========== SECTIONS ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-padding-lg {
            padding: 90px 0;
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #f0f4ff 0%, #e8f0fe 30%, #f8fafc 70%, #ffffff 100%);
            padding: 70px 0 80px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            padding-right: 20px;
        }

        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 500px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ========== COUNTDOWN RING ========== */
        .countdown-wrapper {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: flex-start;
            margin-top: 8px;
        }

        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .countdown-ring {
            position: relative;
            width: 80px;
            height: 80px;
        }

        .countdown-ring svg {
            width: 80px;
            height: 80px;
            transform: rotate(-90deg);
        }

        .countdown-ring .bg-circle {
            fill: none;
            stroke: #e2e8f0;
            stroke-width: 6;
        }

        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--primary);
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.8s ease;
        }

        .countdown-ring .countdown-number {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        /* ========== CAROUSEL SELLING POINTS ========== */
        .selling-points-carousel {
            position: relative;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-top: 16px;
            overflow: hidden;
            min-height: 60px;
            display: flex;
            align-items: center;
        }

        .selling-point-slide {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            transition: opacity 0.5s ease;
            white-space: nowrap;
        }

        .selling-point-slide .sp-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .carousel-dots {
            display: flex;
            gap: 6px;
            margin-top: 10px;
            justify-content: center;
        }

        .carousel-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #cbd5e1;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            padding: 0;
        }

        .carousel-dot.active {
            background: var(--primary);
            width: 24px;
            border-radius: 10px;
        }

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

        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
        }

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

        .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin: 0 auto 12px;
        }

        .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1;
            margin-bottom: 4px;
        }

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

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            text-align: center;
            height: 100%;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 18px;
        }

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

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

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--surface);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            padding: 18px 20px;
            text-align: center;
            font-weight: 700;
            font-size: 1rem;
            background: #f8fafc;
            border-bottom: 2px solid var(--border);
            color: var(--text);
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table thead th:last-child {
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 0 var(--radius-lg) 0 0;
            font-size: 1.05rem;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .check-icon {
            color: #22c55e;
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #cbd5e1;
            font-size: 1.1rem;
        }

        .comparison-table .star-icon {
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* ========== PRICING CARDS ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .pricing-card.popular {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
        }

        .pricing-card.popular:hover {
            transform: scale(1.03) translateY(-3px);
        }

        .pricing-card .plan-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .pricing-card .plan-price {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            margin: 10px 0;
            line-height: 1;
        }

        .pricing-card .plan-price .currency {
            font-size: 1.2rem;
            font-weight: 600;
            vertical-align: super;
        }

        .pricing-card .plan-price .period {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }

        .pricing-card .plan-features {
            list-style: none;
            padding: 0;
            margin: 20px 0 24px;
            text-align: left;
            flex-grow: 1;
        }

        .pricing-card .plan-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .pricing-card .plan-features li i {
            color: #22c55e;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .pricing-card .plan-cta {
            margin-top: auto;
        }

        /* ========== STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            position: relative;
            z-index: 1;
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 auto 14px;
        }

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

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
        }

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

        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

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

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

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

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

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

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

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

        .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: 300px;
            padding: 0 24px 18px;
        }

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

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a56db 0%, #1040b0 60%, #0d3590 100%);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid transparent;
            font-size: 1rem;
            background: #fff;
            color: var(--text);
            transition: all var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
        }

        .cta-form .btn-gold {
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 50px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid #334155;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

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

        .footer-links ul li {
            margin-bottom: 6px;
        }

        .footer-links ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.85rem;
            color: #94a3b8;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }
            .hero-content {
                padding-right: 0;
                order: 1;
            }
            .hero-visual {
                order: 0;
            }
            .hero-content .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .countdown-wrapper {
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(1, 1fr);
                max-width: 420px;
                margin: 0 auto;
            }
            .pricing-card.popular {
                transform: scale(1);
            }
            .pricing-card.popular:hover {
                transform: scale(1) translateY(-3px);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-search {
                width: 160px;
            }
            .nav-search:focus-within {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: var(--nav-height);
            }
            .nav-inner {
                flex-wrap: wrap;
                padding: 8px 0;
                gap: 10px;
            }
            .nav-links {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 4px 0;
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search {
                width: 120px;
                padding: 6px 12px;
            }
            .nav-search:focus-within {
                width: 140px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .countdown-ring {
                width: 60px;
                height: 60px;
            }
            .countdown-ring svg {
                width: 60px;
                height: 60px;
            }
            .countdown-ring .countdown-number {
                font-size: 1.2rem;
            }
            .countdown-item {
                gap: 4px;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card {
                padding: 18px 14px;
            }
            .metric-number {
                font-size: 1.6rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .comparison-table {
                min-width: 500px;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-lg {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .countdown-wrapper {
                gap: 10px;
            }
            .countdown-ring {
                width: 50px;
                height: 50px;
            }
            .countdown-ring svg {
                width: 50px;
                height: 50px;
            }
            .countdown-ring .countdown-number {
                font-size: 1rem;
            }
            .countdown-ring .bg-circle,
            .countdown-ring .progress-circle {
                stroke-width: 4;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-number {
                font-size: 1.3rem;
            }
            .metric-label {
                font-size: 0.75rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
            .nav-search {
                display: none;
            }
            .container {
                padding: 0 14px;
            }
            .card-surface,
            .card-highlight,
            .card-gold {
                padding: 18px 14px;
            }
            .pricing-card {
                padding: 22px 16px;
            }
            .pricing-card .plan-price {
                font-size: 2rem;
            }
        }