/* roulang page: index */
:root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #EFF6FF;
            --green: #16A34A;
            --green-light: #F0FDF4;
            --orange: #F97316;
            --orange-light: #FFF7ED;
            --bg: #F5F7FB;
            --surface: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-dark {
            background: #0F172A;
            color: var(--text-light);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: #CBD5E1;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-search-row {
            padding: 10px 0;
            background: var(--surface);
        }

        .search-form {
            position: relative;
            max-width: 100%;
        }

        .search-form .fa-magnifying-glass {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }

        .search-form input {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: #EEF2F6;
            padding: 0 18px 0 44px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .search-form input::placeholder {
            color: #94A3B8;
        }

        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }

        .header-main {
            padding: 10px 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-name {
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-dark);
            background: var(--bg);
        }

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

        .nav-toggle {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--text-dark);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

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

        .mobile-drawer {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            padding: 16px 0;
            display: none;
        }

        .mobile-drawer.open {
            display: block;
            animation: slideDown 0.25s ease forwards;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: var(--radius-btn);
            transition: background var(--transition), color var(--transition);
        }

        .mobile-nav-link:hover {
            background: var(--bg);
            color: var(--primary);
        }

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

        /* Hero */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/764179ff911caf1f.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, .88) 0%, rgba(30, 41, 59, .74) 48%, rgba(59, 130, 246, .5) 100%);
            z-index: 1;
        }

        .hero .grid-container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            padding: 80px 0 60px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #E2E8F0;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            color: #22C55E;
            font-size: 12px;
        }

        .hero h1 {
            font-size: clamp(32px, 5vw, 44px);
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            max-width: 580px;
        }

        .hero-desc {
            font-size: 16px;
            color: #CBD5E1;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 32px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(59, 130, 246, .32);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(59, 130, 246, .42);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(59, 130, 246, .28);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, .1);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, .3);
            backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, .2);
            color: #FFFFFF;
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, .5);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 11px 24px;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-green {
            background: var(--green);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(22, 163, 74, .3);
        }

        .btn-green:hover {
            background: #15803D;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(22, 163, 74, .4);
        }

        .btn-orange {
            background: var(--orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }

        .btn-orange:hover {
            background: #EA580C;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(249, 115, 22, .4);
        }

        .hero-score-card {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 30px 0 80px;
        }

        .score-card {
            width: 100%;
            max-width: 420px;
            background: rgba(15, 23, 42, .82);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            padding: 28px 24px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: var(--shadow-xl);
        }

        .score-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .score-card-league {
            font-size: 13px;
            font-weight: 600;
            color: #94A3B8;
            letter-spacing: 0.04em;
        }

        .score-card-status {
            font-size: 12px;
            font-weight: 600;
            color: #22C55E;
            background: rgba(34, 197, 94, .14);
            border: 1px solid rgba(34, 197, 94, .3);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .score-card-status .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #22C55E;
            animation: pulse 1.4s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .score-card-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 20px;
        }

        .score-team {
            flex: 1;
            text-align: center;
        }

        .score-team-name {
            font-size: 15px;
            font-weight: 600;
            color: #E2E8F0;
            margin-bottom: 6px;
        }

        .score-team-badge {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 8px;
            font-size: 20px;
            color: #94A3B8;
        }

        .score-divider {
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            text-align: center;
            letter-spacing: 4px;
            flex-shrink: 0;
        }

        .score-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            flex-wrap: wrap;
            gap: 8px;
        }

        .score-card-time {
            font-size: 13px;
            color: #94A3B8;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .score-card-events {
            display: flex;
            gap: 10px;
            font-size: 12px;
            color: #A7B3C5;
        }

        .score-card-events span {
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }

        .score-card-events .yellow-card { color: #FACC15; }
        .score-card-events .red-card { color: #EF4444; }
        .score-card-events .sub { color: #93C5FD; }

        /* Stats Bar */
        .stats-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 28px 0;
        }

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

        .stat-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 8px 0;
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .stat-value {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #D6E4FF;
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }

        .card-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .card-icon.green {
            background: var(--green-light);
            color: var(--green);
        }

        .card-icon.orange {
            background: var(--orange-light);
            color: var(--orange);
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .card-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Feature Number Card */
        .feature-number-card {
            position: relative;
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 28px 24px 24px 32px;
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }

        .feature-number-card::before {
            content: attr(data-number);
            position: absolute;
            top: 12px;
            right: 18px;
            font-size: 64px;
            font-weight: 700;
            color: rgba(59, 130, 246, .08);
            pointer-events: none;
            line-height: 1;
        }

        .feature-number-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #D6E4FF;
        }

        /* Scene Cards */
        .scene-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .scene-track::-webkit-scrollbar {
            height: 6px;
        }

        .scene-track::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 3px;
        }

        .scene-track::-webkit-scrollbar-track {
            background: #EEF2F6;
            border-radius: 3px;
        }

        .scene-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--surface);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .scene-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            filter: saturate(0.92) contrast(1.02);
            transition: filter var(--transition);
        }

        .scene-card:hover .scene-card-img {
            filter: saturate(1) contrast(1.04);
        }

        .scene-card-body {
            padding: 18px 20px 20px;
        }

        .scene-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .scene-card-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Function Grid */
        .function-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .function-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .function-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #D6E4FF;
        }

        .function-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .function-item-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .function-item-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Social Proof */
        .social-track {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 10px;
            -webkit-overflow-scrolling: touch;
        }

        .social-track::-webkit-scrollbar {
            height: 5px;
        }

        .social-track::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 3px;
        }

        .testimonial-card {
            flex: 0 0 320px;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

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

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

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .comparison-card.old {
            background: #F8FAFC;
            border-color: #E2E8F0;
        }

        .comparison-card.new {
            background: var(--primary-light);
            border-color: #BFDBFE;
            box-shadow: var(--shadow-md);
        }

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

        .comparison-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .comparison-badge {
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .comparison-badge.old {
            background: #E2E8F0;
            color: #475569;
        }

        .comparison-badge.new {
            background: var(--primary);
            color: #FFFFFF;
        }

        .comparison-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .comparison-list li i {
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-list .fa-xmark {
            color: #EF4444;
        }

        .comparison-list .fa-check {
            color: var(--green);
        }

        /* Brand Intro */
        .brand-intro-wrap {
            display: flex;
            gap: 32px;
            align-items: center;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .brand-intro-img {
            flex: 0 0 320px;
            border-radius: var(--radius-img);
            overflow: hidden;
        }

        .brand-intro-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            filter: saturate(0.92) contrast(1.02);
        }

        .brand-intro-text {
            flex: 1;
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }

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

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .step-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* News Cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

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

        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            filter: saturate(0.92) contrast(1.02);
        }

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

        .news-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .news-card-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

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

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

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

        .faq-item.is-active {
            box-shadow: var(--shadow-md);
            border-color: #BFDBFE;
        }

        .faq-question {
            font-size: 16px !important;
            font-weight: 600 !important;
            color: var(--text-dark) !important;
            padding: 18px 24px !important;
            border: none !important;
            background: transparent !important;
            transition: color var(--transition);
        }

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

        .faq-question::after {
            content: '\f078' !important;
            font-family: 'Font Awesome 6 Free' !important;
            font-weight: 900 !important;
            font-size: 14px !important;
            width: auto !important;
            height: auto !important;
            color: var(--text-muted) !important;
            transition: transform var(--transition);
            margin-left: auto;
        }

        .faq-item.is-active .faq-question::after {
            transform: rotate(180deg);
            color: var(--primary) !important;
        }

        .faq-answer {
            font-size: 15px !important;
            color: var(--text-muted) !important;
            line-height: 1.75 !important;
            padding: 0 24px 20px !important;
            border: none !important;
        }

        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 16px;
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .guarantee-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--green-light);
            color: var(--green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .guarantee-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .guarantee-sub {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Multi Device */
        .device-wrap {
            display: flex;
            gap: 32px;
            align-items: center;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .device-mockup {
            flex: 0 0 280px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
        }

        .device-phone {
            width: 160px;
            height: 280px;
            background: #0F172A;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 4px solid #1E293B;
            color: #94A3B8;
            font-size: 40px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .device-phone::after {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            border-radius: 2px;
            background: #334155;
        }

        .device-tablet {
            width: 220px;
            height: 150px;
            background: #0F172A;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 3px solid #1E293B;
            color: #94A3B8;
            font-size: 30px;
            box-shadow: var(--shadow-md);
        }

        .device-security {
            flex: 1;
        }

        .security-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 16px;
        }

        .security-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .security-list li i {
            color: var(--green);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Updates */
        .updates-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .update-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .update-version {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 10px;
        }

        .update-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .update-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Subscribe */
        .subscribe-box {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }

        .subscribe-info {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .subscribe-text {
            font-size: 14px;
            color: var(--text-muted);
        }

        .subscribe-form {
            flex: 0 0 380px;
            max-width: 100%;
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 190px;
            height: 46px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--bg);
            padding: 0 16px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .1);
        }

        .subscribe-form input::placeholder {
            color: #94A3B8;
        }

        /* Bottom CTA Bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(15, 23, 42, .08);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform 0.35s cubic-bezier(.4, 0, .2, 1);
        }

        .bottom-cta-bar.visible {
            transform: translateY(0);
        }

        .bottom-cta-inner {
            display: flex;
            align-items: center;
            gap: 18px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .bottom-cta-text {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
        }

        .bottom-cta-close {
            position: absolute;
            top: -10px;
            right: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .bottom-cta-close:hover {
            color: #EF4444;
            border-color: #FECACA;
            background: #FEF2F2;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        .footer-divider {
            border-top: 1px solid #1E293B;
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: #64748B;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .section {
                padding: 48px 0;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .function-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .updates-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .brand-intro-wrap {
                flex-direction: column;
                padding: 24px;
            }

            .brand-intro-img {
                flex: none;
                width: 100%;
            }

            .brand-intro-img img {
                height: 200px;
            }

            .device-wrap {
                flex-direction: column;
                padding: 24px;
            }

            .device-mockup {
                flex: none;
                flex-direction: row;
                width: 100%;
                justify-content: center;
            }

            .hero-content {
                padding: 60px 0 30px;
            }

            .hero-score-card {
                padding: 20px 0 60px;
            }

            .score-card {
                max-width: 360px;
            }
        }

        @media (max-width: 639px) {
            .grid-container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 15px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-value {
                font-size: 22px;
            }

            .stat-label {
                font-size: 12px;
            }

            .function-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .updates-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 50px 0 24px;
            }

            .hero h1 {
                font-size: 28px;
                max-width: 100%;
            }

            .hero-desc {
                font-size: 14px;
                max-width: 100%;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-score-card {
                padding: 16px 0 50px;
            }

            .score-card {
                padding: 20px 16px;
                border-radius: 14px;
            }

            .score-divider {
                font-size: 24px;
            }

            .score-card-footer {
                font-size: 11px;
                gap: 4px;
            }

            .brand-intro-wrap {
                padding: 18px;
            }

            .brand-intro-img img {
                height: 160px;
            }

            .device-wrap {
                padding: 18px;
            }

            .device-phone {
                width: 120px;
                height: 210px;
                font-size: 30px;
            }

            .device-tablet {
                width: 170px;
                height: 110px;
                font-size: 22px;
            }

            .subscribe-box {
                padding: 22px;
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form {
                flex: none;
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form input {
                width: 100%;
            }

            .subscribe-form .btn {
                width: 100%;
                justify-content: center;
            }

            .bottom-cta-inner {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }

            .bottom-cta-close {
                top: -14px;
                right: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .scene-card {
                flex: 0 0 260px;
            }

            .scene-card-img {
                height: 150px;
            }

            .testimonial-card {
                flex: 0 0 270px;
            }

            .score-card-teams {
                gap: 8px;
            }

            .score-team-badge {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .score-team-name {
                font-size: 13px;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #EFF6FF;
            --green: #16A34A;
            --green-light: #F0FDF4;
            --orange: #F97316;
            --orange-light: #FFF7ED;
            --bg: #F5F7FB;
            --surface: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-dark {
            background: #0F172A;
            color: var(--text-light);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: #CBD5E1;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-search-row {
            padding: 8px 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }

        .search-form {
            position: relative;
            max-width: 100%;
        }

        .search-form .fa-magnifying-glass {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }

        .search-form input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: #EEF2F6;
            padding: 0 18px 0 44px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .search-form input::placeholder {
            color: #94A3B8;
        }

        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }

        .header-main {
            padding: 10px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-name {
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-btn);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-btn);
            background: var(--bg);
            color: var(--text-dark);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            transition: background var(--transition), color var(--transition);
        }

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

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            box-shadow: var(--shadow-md);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer .nav-link {
            display: flex;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            font-size: 16px;
        }

        .mobile-drawer .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* Page header (category narrow banner) */
        .page-header {
            background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 60%, #F0FDF4 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 40px;
        }

        .page-header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
        }

        .page-header-text {
            flex: 1 1 400px;
        }

        .page-header h1 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .page-header p {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
            max-width: 560px;
            line-height: 1.7;
        }

        .filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            flex: 0 0 auto;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: var(--surface);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-chip.active {
            border-color: var(--primary);
            background: var(--primary);
            color: #FFFFFF;
        }

        /* Match cards */
        .match-list-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .match-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            flex-wrap: wrap;
        }

        .match-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D6E4FF;
        }

        .match-card-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1 1 220px;
            min-width: 0;
        }

        .match-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .match-status-badge.live {
            background: var(--green-light);
            color: var(--green);
        }

        .match-status-badge.live::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--green);
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        .match-status-badge.finished {
            background: var(--bg);
            color: var(--text-muted);
        }

        .match-status-badge.upcoming {
            background: var(--orange-light);
            color: var(--orange);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.3); }
        }

        .match-info {
            min-width: 0;
        }

        .match-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .match-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .match-meta .divider {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: #CBD5E1;
            flex-shrink: 0;
        }

        .match-score-center {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 0 0 auto;
        }

        .score-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .team-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .score-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .score-number.highlight {
            color: var(--primary);
        }

        .score-separator {
            font-size: 22px;
            font-weight: 500;
            color: #CBD5E1;
            line-height: 1;
            padding-bottom: 18px;
        }

        .match-card-right {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary {
            background: var(--surface);
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

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

        /* Quick steps */
        .steps-row {
            display: flex;
            gap: 0;
            align-items: stretch;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1 1 220px;
            padding: 28px 24px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .step-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* Sync cards */
        .sync-grid {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .sync-card {
            flex: 1 1 260px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .sync-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }

        .sync-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
        }

        .sync-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* Offline banner */
        .offline-banner {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--orange-light);
            border: 1px solid #FED7AA;
            border-radius: var(--radius-card);
            padding: 20px 24px;
            flex-wrap: wrap;
        }

        .offline-banner-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--orange);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .offline-banner-text {
            flex: 1 1 300px;
        }

        .offline-banner-title {
            font-size: 16px;
            font-weight: 600;
            color: #9A3412;
            margin: 0 0 4px;
        }

        .offline-banner-desc {
            font-size: 14px;
            color: #7C2D12;
            margin: 0;
        }

        /* FAQ accordion */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .faq-item.open {
            box-shadow: var(--shadow-md);
            border-color: #D6E4FF;
        }

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

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

        .faq-question .fa-chevron-down {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: transform var(--transition);
            font-size: 14px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* Related articles */
        .related-grid {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .related-card {
            flex: 1 1 260px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .related-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg);
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .related-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 16px;
            line-height: 1.65;
            flex: 1;
        }

        .related-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition), gap var(--transition);
        }

        .related-card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .footer-grid > div {
            flex: 1 1 220px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            transition: color var(--transition);
        }

        .footer-brand:hover {
            color: #93C5FD;
        }

        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.75;
            color: #94A3B8;
            margin: 0;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #93C5FD;
        }

        .footer-divider {
            border-top: 1px solid #1E293B;
            padding-top: 20px;
        }

        .footer-divider p {
            font-size: 13px;
            color: #64748B;
            margin: 0;
            text-align: center;
        }

        /* Bottom conversion bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -8px 32px rgba(15, 23, 42, .12);
            padding: 14px 24px;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .bottom-cta-bar.visible {
            display: flex;
        }

        .bottom-cta-text {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            white-space: nowrap;
        }

        .bottom-cta-close {
            position: absolute;
            top: 8px;
            right: 16px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: background var(--transition), color var(--transition);
        }

        .bottom-cta-close:hover {
            background: #FEE2E2;
            color: #DC2626;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 14px;
            }
            .section {
                padding: 48px 0;
            }
            .match-card {
                padding: 16px 18px;
                gap: 14px;
            }
            .score-number {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-search-row {
                padding: 8px 0;
            }
            .header-inner {
                gap: 12px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
            }
            .page-header {
                padding: 32px 0 28px;
            }
            .page-header-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-chips {
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .match-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }
            .match-card-left {
                width: 100%;
                flex: 1 1 auto;
            }
            .match-score-center {
                width: 100%;
                justify-content: center;
                padding: 8px 0;
                border-top: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .match-card-right {
                width: 100%;
                justify-content: stretch;
            }
            .match-card-right .btn {
                flex: 1;
            }
            .score-number {
                font-size: 26px;
            }
            .steps-row {
                flex-direction: column;
                gap: 14px;
            }
            .step-item {
                flex: 1 1 auto;
                padding: 20px;
            }
            .sync-grid {
                flex-direction: column;
                gap: 14px;
            }
            .offline-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px 18px;
            }
            .footer-grid {
                flex-direction: column;
                gap: 28px;
            }
            .footer-grid > div {
                flex: 1 1 auto;
            }
            .bottom-cta-bar {
                padding: 12px 16px;
                gap: 12px;
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .bottom-cta-text {
                white-space: normal;
            }
            .bottom-cta-bar .btn {
                justify-content: center;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 17px;
                gap: 8px;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
                border-radius: 8px;
            }
            .header-main {
                padding: 8px 0;
            }
            .search-form input {
                height: 36px;
                font-size: 14px;
                padding-left: 38px;
            }
            .search-form .fa-magnifying-glass {
                left: 12px;
                font-size: 14px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .filter-chip {
                padding: 7px 14px;
                font-size: 12px;
            }
            .match-name {
                font-size: 14px;
            }
            .score-number {
                font-size: 22px;
            }
            .score-separator {
                font-size: 18px;
                padding-bottom: 14px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 13px;
            }
            .related-card-body {
                padding: 14px 16px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #EFF6FF;
            --green: #16A34A;
            --green-light: #F0FDF4;
            --orange: #F97316;
            --orange-light: #FFF7ED;
            --bg: #F5F7FB;
            --surface: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus, a:focus, input:focus, textarea:focus, select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-dark {
            background: #0F172A;
            color: var(--text-light);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-dark .section-subtitle {
            color: #CBD5E1;
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .header-search-row {
            padding: 10px 0;
            background: var(--surface);
        }
        .search-form {
            position: relative;
            max-width: 100%;
        }
        .search-form .fa-magnifying-glass {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }
        .search-form input {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: #EEF2F6;
            padding: 0 18px 0 44px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .search-form input::placeholder {
            color: #94A3B8;
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }
        .header-main {
            padding: 10px 0;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }
        .brand-logo:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-name {
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: var(--radius-btn);
            transition: color var(--transition), background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .nav-link i {
            margin-right: 6px;
            font-size: 14px;
        }
        .nav-link:hover {
            color: var(--primary-dark);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: inset 0 0 0 1px rgba(59,130,246,.15);
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
        }
        @media (max-width: 1023px) {
            .header-search-row .grid-x {
                align-items: center;
            }
            .search-form {
                margin: 8px 0;
            }
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                left: -100%;
                width: 280px;
                height: 100vh;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
                gap: 8px;
                box-shadow: var(--shadow-xl);
                transition: left 0.25s ease;
                z-index: 1001;
                overflow-y: auto;
            }
            .main-nav.open {
                left: 0;
            }
            .main-nav .nav-link {
                width: 100%;
                font-size: 16px;
                padding: 12px 16px;
            }
            .nav-overlay {
                position: fixed;
                inset: 0;
                background: rgba(15,23,42,.45);
                z-index: 1000;
                display: none;
            }
            .nav-overlay.show {
                display: block;
            }
        }
        @media (max-width: 639px) {
            .header-main {
                padding: 6px 0;
            }
            .brand-logo {
                font-size: 18px;
                gap: 8px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
            .search-form input {
                height: 38px;
                font-size: 14px;
            }
            .section {
                padding: 40px 0;
            }
        }
        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer-brand:hover {
            color: var(--primary);
        }
        .footer-brand .brand-icon {
            background: var(--primary);
            color: #FFFFFF;
        }
        .footer-about {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #CBD5E1;
            font-size: 15px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-divider {
            border-top: 1px solid rgba(255,255,255,.08);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #94A3B8;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }
        /* Page-specific styles for gallery */
        .page-head {
            background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 50%, #F0FDF4 100%);
            padding: 48px 0 32px;
            border-bottom: 1px solid var(--border-light);
        }
        .page-head h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .page-head .lead {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 8px;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .filter-tag i {
            color: var(--text-muted);
            font-size: 13px;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .filter-tag.active i {
            color: #FFFFFF;
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .gallery-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .gallery-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .gallery-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
        }
        .gallery-card-body {
            padding: 16px 18px 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .gallery-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .gallery-card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: auto;
        }
        .gallery-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .gallery-card-meta i {
            font-size: 14px;
            color: var(--primary);
        }
        .usage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .usage-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .usage-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .usage-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .usage-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .usage-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .submit-banner {
            background: var(--primary-dark);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .submit-banner::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255,255,255,.08);
            pointer-events: none;
        }
        .submit-banner h3 {
            color: #FFFFFF;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .submit-banner p {
            color: rgba(255,255,255,.85);
            font-size: 16px;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(59,130,246,.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(37,99,235,.35);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: #FFFFFF;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #FFFFFF;
            color: var(--primary-dark);
        }
        .btn-white:hover {
            background: #F0F4FF;
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 14px;
            font-size: 14px;
        }
        .notice-box {
            background: var(--orange-light);
            border: 1px solid rgba(249,115,22,.2);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            color: #9A3412;
            font-size: 15px;
        }
        .notice-box i {
            color: var(--orange);
            font-size: 20px;
            margin-top: 2px;
        }
        .story-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 16px;
        }
        .story-item {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .story-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .story-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .story-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 32px;
        }
        .page-link {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--text-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .page-link:hover,
        .page-link.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }
        .page-link.disabled {
            opacity: .45;
            pointer-events: none;
        }
        @media (max-width: 1023px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .usage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .story-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 639px) {
            .gallery-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .usage-grid {
                grid-template-columns: 1fr;
            }
            .submit-banner {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .page-head {
                padding: 32px 0 24px;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #EFF6FF;
            --green: #16A34A;
            --green-light: #F0FDF4;
            --orange: #F97316;
            --orange-light: #FFF7ED;
            --bg: #F5F7FB;
            --surface: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            padding-bottom: 88px;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .section-dark {
            background: #0F172A;
            color: var(--text-light);
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: #CBD5E1;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-search-row {
            padding: 10px 0 8px;
            background: var(--surface);
        }

        .search-form {
            position: relative;
            max-width: 100%;
        }

        .search-form .fa-magnifying-glass {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 15px;
            pointer-events: none;
            z-index: 2;
        }

        .search-form input {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: #EEF2F6;
            padding: 0 18px 0 44px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .search-form input::placeholder {
            color: #94A3B8;
        }

        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }

        .header-main {
            padding: 8px 0 10px;
        }

        .header-main-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .brand-name {
            white-space: nowrap;
        }

        .main-nav-wrapper {
            flex: 1;
            min-width: 0;
            display: flex;
            align-items: center;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition), box-shadow var(--transition);
        }

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

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

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border-light);
            background: var(--surface);
            color: var(--text-dark);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition), color var(--transition);
        }

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

        .mobile-drawer {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer .search-form {
            margin-bottom: 10px;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-nav .nav-link {
            padding: 10px 12px;
            font-size: 15px;
            border-radius: 8px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

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

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

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

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-green {
            background: var(--green);
            color: #FFFFFF;
            border-color: var(--green);
        }

        .btn-green:hover {
            background: #15803D;
            border-color: #15803D;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: 10px;
        }

        /* Filter buttons */
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .card-img {
            border-radius: var(--radius-img);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            background: #E2E8F0;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.35;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .tag-green {
            background: var(--green-light);
            color: var(--green);
        }

        .tag-orange {
            background: var(--orange-light);
            color: var(--orange);
        }

        .tag-gray {
            background: #F1F5F9;
            color: var(--text-muted);
        }

        /* Team card */
        .team-card {
            display: flex;
            flex-direction: column;
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .team-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E2E8F0;
        }

        .team-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .team-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 8px;
        }

        .team-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
        }

        .team-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            background: var(--green-light);
            color: var(--green);
            white-space: nowrap;
        }

        .team-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

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

        .team-record {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 13px;
        }

        .team-record strong {
            color: var(--text-dark);
            font-weight: 600;
        }

        .team-card-actions {
            margin-top: auto;
            display: flex;
            gap: 8px;
        }

        /* Feature tags row */
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .feature-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            border-radius: 999px;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-dark);
            transition: all var(--transition);
        }

        .feature-chip:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary);
        }

        .feature-chip i {
            font-size: 14px;
            color: var(--primary);
        }

        /* Step flow */
        .step-flow {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .step-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Lineup display */
        .lineup-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }

        .lineup-player {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 14px 12px;
            text-align: center;
            transition: all var(--transition);
        }

        .lineup-player:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .player-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            margin-bottom: 6px;
        }

        .player-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .player-position {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Data export panel */
        .export-panel {
            background: #F8FAFC;
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px dashed var(--border);
        }

        .export-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }

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

        .export-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .export-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .export-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition), background var(--transition);
        }

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

        .faq-question .fa-chevron-down {
            font-size: 13px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(.4, 0, .2, 1), padding 0.35s;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* Bottom fixed CTA bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 16px rgba(15, 23, 42, .08);
            padding: 12px 24px;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transition: transform 0.3s ease;
        }

        .bottom-cta-bar.visible {
            display: flex;
        }

        .bottom-cta-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            white-space: nowrap;
        }

        .bottom-cta-close {
            position: absolute;
            top: 8px;
            right: 16px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1F5F9;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .bottom-cta-close:hover {
            background: #E2E8F0;
            color: var(--text-dark);
        }

        /* Version nodes */
        .version-nodes {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .version-node {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-muted);
            white-space: nowrap;
        }

        .version-node.current {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        .version-node.completed {
            background: var(--green-light);
            border-color: var(--green);
            color: var(--green);
        }

        .version-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--border);
            flex-shrink: 0;
        }

        .version-line {
            flex: 1;
            height: 1px;
            background: var(--border);
            min-width: 16px;
        }

        /* Subscribe mini */
        .subscribe-mini {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-mini input {
            flex: 1;
            min-width: 180px;
            height: 38px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            background: #EEF2F6;
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-dark);
            transition: all var(--transition);
        }

        .subscribe-mini input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .1);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .section {
                padding: 48px 0;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .main-nav-wrapper {
                justify-content: flex-end;
            }

            .main-nav {
                display: none;
            }

            .header-search-row .search-form {
                max-width: 100%;
            }
        }

        @media (min-width: 1024px) {
            .mobile-drawer {
                display: none !important;
            }

            .nav-toggle {
                display: none !important;
            }
        }

        @media (max-width: 767px) {
            .grid-container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .section {
                padding: 36px 0;
            }

            .header-search-row {
                padding: 8px 0 6px;
            }

            .header-main {
                padding: 6px 0 8px;
            }

            .brand-logo {
                font-size: 17px;
                gap: 8px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
                border-radius: 8px;
            }

            .lineup-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .team-card-img {
                aspect-ratio: 16 / 10;
            }

            .bottom-cta-bar {
                padding: 10px 14px;
                gap: 10px;
            }

            .bottom-cta-text {
                font-size: 13px;
                white-space: normal;
                text-align: center;
            }

            .bottom-cta-close {
                top: 4px;
                right: 8px;
            }

            .step-flow {
                flex-direction: column;
                gap: 14px;
            }

            .step-item {
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .grid-container {
                padding-left: 10px;
                padding-right: 10px;
            }

            .section {
                padding: 28px 0;
            }

            .card {
                padding: 16px;
            }

            .team-card-body {
                padding: 14px 16px 16px;
            }

            .filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }

            .section-title {
                font-size: 20px;
            }

            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }

            .lineup-grid {
                gap: 8px;
            }

            .lineup-player {
                padding: 10px 8px;
            }

            .player-number {
                width: 24px;
                height: 24px;
                font-size: 11px;
            }

            .version-nodes {
                gap: 4px;
            }

            .version-node {
                font-size: 11px;
                padding: 3px 8px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #EFF6FF;
            --green: #16A34A;
            --green-light: #F0FDF4;
            --orange: #F97316;
            --orange-light: #FFF7ED;
            --bg: #F5F7FB;
            --surface: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-dark {
            background: #0F172A;
            color: var(--text-light);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: #CBD5E1;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-search-row {
            padding: 8px 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }

        .search-form {
            position: relative;
            max-width: 100%;
        }

        .search-form .fa-magnifying-glass {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 15px;
            pointer-events: none;
        }

        .search-form input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: #EEF2F6;
            padding: 0 18px 0 42px;
            font-size: 14px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .search-form input::placeholder {
            color: #94A3B8;
        }

        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }

        .header-main {
            padding: 8px 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .brand-name {
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-btn);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--text-dark);
            font-size: 20px;
            transition: background var(--transition);
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            border: none;
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

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

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

        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-outline {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 13px 28px;
            font-size: 16px;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .card-body {
            padding: 22px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            line-height: 1.4;
            white-space: nowrap;
        }

        .badge-green {
            background: var(--green-light);
            color: var(--green);
        }

        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-orange {
            background: var(--orange-light);
            color: var(--orange);
        }

        /* Page header */
        .page-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 36px 0 28px;
        }

        .page-header h1 {
            font-size: clamp(28px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .page-header .subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
        }

        /* Report type cards */
        .report-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 0 -10px;
        }

        .report-grid .report-card-wrap {
            flex: 1 1 calc(33.333% - 20px);
            min-width: 280px;
            padding: 0 10px;
        }

        .report-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .report-card-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .report-card-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .report-card-icon.green {
            background: var(--green-light);
            color: var(--green);
        }

        .report-card-icon.orange {
            background: var(--orange-light);
            color: var(--orange);
        }

        .report-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .report-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 14px;
        }

        .report-card .btn-sm {
            align-self: flex-start;
        }

        /* Chart placeholder */
        .chart-placeholder {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            min-height: 220px;
            display: flex;
            flex-direction: column;
        }

        .chart-placeholder h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 140px;
            padding: 10px 0;
            flex-grow: 1;
        }

        .chart-bar-wrap {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            height: 100%;
            justify-content: flex-end;
        }

        .chart-bar {
            width: 100%;
            max-width: 48px;
            border-radius: 6px 6px 0 0;
            background: var(--primary);
            min-height: 8px;
            transition: background var(--transition);
            position: relative;
        }

        .chart-bar:hover {
            background: var(--primary-dark);
        }

        .chart-bar.green {
            background: var(--green);
        }

        .chart-bar.orange {
            background: var(--orange);
        }

        .chart-bar-label {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .chart-bar-value {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-dark);
        }

        /* Data summary bar */
        .data-summary-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 18px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .data-summary-item {
            flex: 1;
            min-width: 120px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .data-summary-item .ds-icon {
            width: 38px;
            height: 38px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .data-summary-item .ds-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.2;
        }

        .data-summary-item .ds-label {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.3;
        }

        /* Import export */
        .import-export-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 0 -10px;
        }

        .import-export-grid .ie-card {
            flex: 1 1 calc(50% - 20px);
            min-width: 280px;
            padding: 0 10px;
        }

        .ie-card-inner {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }

        .ie-card-inner h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ie-card-inner ul {
            list-style: none;
            padding: 0;
            margin: 0 0 12px;
        }

        .ie-card-inner ul li {
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ie-card-inner ul li:last-child {
            border-bottom: none;
        }

        .ie-card-inner ul li i {
            color: var(--green);
            font-size: 13px;
        }

        /* Metric explanation */
        .metric-list {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 0 -8px;
        }

        .metric-list .metric-item {
            flex: 1 1 calc(25% - 16px);
            min-width: 200px;
            padding: 0 8px;
        }

        .metric-item-inner {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 18px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: 100%;
            text-align: center;
        }

        .metric-item-inner .metric-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .metric-item-inner .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Privacy */
        .privacy-panel {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 26px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: flex-start;
        }

        .privacy-panel .privacy-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--green-light);
            color: var(--green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .privacy-panel .privacy-content {
            flex: 1;
            min-width: 260px;
        }

        .privacy-panel h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .privacy-panel p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 10px;
        }

        .privacy-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        /* Help entry */
        .help-entry-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 0 -8px;
        }

        .help-entry-grid .help-item {
            flex: 1 1 calc(33.333% - 16px);
            min-width: 220px;
            padding: 0 8px;
        }

        .help-item-inner {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .help-item-inner .help-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .help-item-inner h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .help-item-inner p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        /* Subscribe */
        .subscribe-box {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .subscribe-box .subscribe-info {
            flex: 1;
            min-width: 240px;
        }

        .subscribe-box h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .subscribe-box p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 1;
            min-width: 260px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-dark);
            background: var(--bg);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .1);
        }

        .subscribe-form button {
            height: 42px;
            padding: 0 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #FFFFFF;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: var(--text-light);
            padding: 48px 0 28px;
            margin-top: 20px;
        }

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

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            transition: color var(--transition);
        }

        .footer-brand:hover {
            color: var(--primary);
        }

        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .footer-about {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        .footer-divider {
            border-top: 1px solid rgba(148, 163, 184, .2);
            padding-top: 18px;
            font-size: 12px;
            color: #64748B;
        }

        /* Bottom CTA bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -8px 32px rgba(15, 23, 42, .08);
            padding: 12px 0;
            display: none;
            transition: transform var(--transition);
        }

        .bottom-cta-bar.visible {
            display: block;
        }

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

        .bottom-cta-text {
            flex: 1;
            min-width: 200px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .bottom-cta-close {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .bottom-cta-close:hover {
            background: var(--border-light);
            color: var(--text-dark);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 48px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .report-grid .report-card-wrap {
                flex: 1 1 calc(50% - 20px);
            }
            .metric-list .metric-item {
                flex: 1 1 calc(50% - 16px);
            }
            .help-entry-grid .help-item {
                flex: 1 1 calc(50% - 16px);
            }
        }

        @media (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 40px 0;
            }
            .header-search-row {
                padding: 6px 0;
            }
            .header-main {
                padding: 6px 0;
            }
            .brand-logo {
                font-size: 17px;
                gap: 8px;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                border-radius: 8px;
                font-size: 14px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 10px 0;
                border-top: 1px solid var(--border-light);
                background: var(--surface);
                width: 100%;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 10px 14px;
                font-size: 14px;
                border-radius: 0;
                justify-content: space-between;
                border-bottom: 1px solid var(--border-light);
            }
            .nav-link:last-child {
                border-bottom: none;
            }
            .nav-link.active {
                background: var(--primary-light);
                border-left: 3px solid var(--primary);
            }
            .header-inner {
                display: flex;
                align-items: center;
                gap: 10px;
                flex-wrap: wrap;
            }
            .header-search-row .grid-container {
                display: flex;
                align-items: center;
                gap: 10px;
            }
            .report-grid .report-card-wrap,
            .import-export-grid .ie-card {
                flex: 1 1 100%;
                min-width: 100%;
            }
            .metric-list .metric-item,
            .help-entry-grid .help-item {
                flex: 1 1 100%;
                min-width: 100%;
            }
            .data-summary-bar {
                gap: 12px;
                padding: 14px 16px;
            }
            .data-summary-item {
                min-width: 100px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: stretch;
                text-align: left;
                padding: 20px;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 8px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .privacy-panel {
                flex-direction: column;
                text-align: left;
                padding: 20px;
            }
            .bottom-cta-inner {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .bottom-cta-text {
                min-width: 100%;
                text-align: center;
            }
            body {
                padding-bottom: 100px;
            }
        }

        @media (max-width: 520px) {
            .grid-container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .page-header {
                padding: 24px 0 18px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .report-card {
                padding: 18px;
            }
            .chart-bars {
                height: 100px;
                gap: 6px;
            }
            .chart-bar {
                max-width: 30px;
            }
            .data-summary-bar {
                flex-direction: column;
                gap: 10px;
            }
            .data-summary-item {
                min-width: 100%;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

        /* Foundation overrides */
        .grid-x {
            margin-left: -10px;
            margin-right: -10px;
        }
        .grid-x>.cell {
            padding-left: 10px;
            padding-right: 10px;
        }
        .foundation-mq-topbar .title-bar {
            background: transparent;
            color: var(--text-dark);
        }

/* roulang page: category5 */
:root {
        --primary: #3B82F6;
        --primary-dark: #2563EB;
        --primary-light: #EFF6FF;
        --green: #16A34A;
        --green-light: #F0FDF4;
        --orange: #F97316;
        --orange-light: #FFF7ED;
        --bg: #F5F7FB;
        --surface: #FFFFFF;
        --text-dark: #1E293B;
        --text-muted: #64748B;
        --text-light: #F1F5F9;
        --border: #E2E8F0;
        --border-light: #EEF2F6;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-pill: 999px;
        --radius-img: 8px;
        --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
        --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
        --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
        --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-dark);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

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

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

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

    button {
        cursor: pointer;
        border: none;
        background: none;
    }

    button:focus,
    a:focus,
    input:focus,
    textarea:focus,
    select:focus {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    .grid-container {
        max-width: 1280px;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section {
        padding: 72px 0;
    }

    .section-alt {
        background: var(--surface);
        border-top: 1px solid var(--border-light);
        border-bottom: 1px solid var(--border-light);
    }

    .section-dark {
        background: #0F172A;
        color: var(--text-light);
    }

    .section-label {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--primary);
        margin-bottom: 12px;
    }

    .section-title {
        font-size: clamp(24px, 3.2vw, 32px);
        font-weight: 700;
        color: var(--text-dark);
        line-height: 1.3;
        margin-bottom: 16px;
        letter-spacing: -0.01em;
    }

    .section-subtitle {
        font-size: 17px;
        color: var(--text-muted);
        line-height: 1.75;
        max-width: 680px;
        margin-bottom: 32px;
    }

    .section-dark .section-title {
        color: #FFFFFF;
    }
    .section-dark .section-subtitle {
        color: #CBD5E1;
    }

    /* Header & Nav */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, .96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
    }

    .header-search-row {
        padding: 10px 0;
        background: var(--surface);
    }

    .search-form {
        position: relative;
        max-width: 100%;
    }

    .search-form .fa-magnifying-glass {
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 16px;
        pointer-events: none;
        z-index: 2;
    }

    .search-form input {
        width: 100%;
        height: 42px;
        border: 1px solid var(--border-light);
        border-radius: var(--radius-pill);
        background: #EEF2F6;
        padding: 0 18px 0 44px;
        font-size: 15px;
        color: var(--text-dark);
        transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .search-form input::placeholder {
        color: #94A3B8;
    }

    .search-form input:focus {
        outline: none;
        border-color: var(--primary);
        background: #FFFFFF;
        box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
    }

    .header-main {
        padding: 10px 0;
    }

    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: var(--text-dark);
        letter-spacing: -0.01em;
        transition: color var(--transition);
        white-space: nowrap;
    }

    .brand-logo:hover {
        color: var(--primary);
    }

    .brand-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--primary);
        color: #FFFFFF;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        flex-shrink: 0;
    }

    .brand-name {
        white-space: nowrap;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: nowrap;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-muted);
        border-radius: var(--radius-btn);
        transition: all var(--transition);
        white-space: nowrap;
        position: relative;
    }

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

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

    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }

    .mobile-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: var(--radius-btn);
        background: var(--surface);
        border: 1px solid var(--border-light);
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: var(--text-dark);
        flex-shrink: 0;
        transition: all var(--transition);
    }

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

    .mobile-drawer {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        background: var(--surface);
        z-index: 2000;
        box-shadow: var(--shadow-xl);
        transition: right 0.3s cubic-bezier(.4, 0, .2, 1);
        padding: 24px 20px;
        overflow-y: auto;
    }

    .mobile-drawer.open {
        right: 0;
    }

    .drawer-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, .5);
        z-index: 1999;
        opacity: 0;
        transition: opacity 0.3s;
    }

    .drawer-overlay.open {
        opacity: 1;
    }

    .drawer-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 20px;
        padding-bottom: 16px;
        border-bottom: 1px solid var(--border-light);
    }

    .drawer-close {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        color: var(--text-muted);
        transition: all var(--transition);
    }

    .drawer-close:hover {
        background: #EF4444;
        color: #fff;
    }

    .drawer-nav {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .drawer-nav .nav-link {
        width: 100%;
        padding: 12px 14px;
        font-size: 15px;
        border-radius: var(--radius-btn);
    }

    .drawer-nav .nav-link.active {
        background: var(--primary-light);
        font-weight: 600;
    }

    .drawer-nav .nav-link.active::after {
        display: none;
    }

    /* Hero / Page Header */
    .page-header {
        background: linear-gradient(135deg, #EFF6FF 0%, #F5F7FB 55%, #F0FDF4 100%);
        padding: 52px 0 36px;
        border-bottom: 1px solid var(--border-light);
        position: relative;
        overflow: hidden;
    }

    .page-header::after {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(59, 130, 246, .06);
        pointer-events: none;
    }

    .page-header h1 {
        font-size: clamp(28px, 4vw, 38px);
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 14px;
        line-height: 1.25;
        letter-spacing: -0.01em;
        position: relative;
        z-index: 1;
    }

    .page-header .header-desc {
        font-size: 17px;
        color: var(--text-muted);
        max-width: 720px;
        line-height: 1.75;
        position: relative;
        z-index: 1;
    }

    .filter-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 20px;
        position: relative;
        z-index: 1;
    }

    .filter-chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: var(--radius-pill);
        background: var(--surface);
        border: 1px solid var(--border);
        color: var(--text-muted);
        font-size: 14px;
        font-weight: 500;
        transition: all var(--transition);
        cursor: pointer;
    }

    .filter-chip:hover,
    .filter-chip.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

    /* Cards & Components */
    .guide-card {
        background: var(--surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-md);
        overflow: hidden;
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
        height: 100%;
        border: 1px solid var(--border-light);
    }

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

    .guide-card-image {
        width: 100%;
        aspect-ratio: 16/9;
        object-fit: cover;
        border-radius: var(--radius-img) var(--radius-img) 0 0;
    }

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

    .guide-card-tag {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 12px;
        font-weight: 700;
        color: var(--primary);
        background: var(--primary-light);
        padding: 4px 10px;
        border-radius: var(--radius-pill);
        margin-bottom: 10px;
        align-self: flex-start;
        letter-spacing: 0.04em;
    }

    .guide-card-tag.advanced {
        color: var(--orange);
        background: var(--orange-light);
    }

    .guide-card-tag.starter {
        color: var(--green);
        background: var(--green-light);
    }

    .guide-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 8px;
        line-height: 1.4;
        letter-spacing: -0.01em;
    }

    .guide-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 14px;
        flex: 1;
    }

    .guide-card-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: all var(--transition);
        align-self: flex-start;
        cursor: pointer;
    }

    .guide-card-link:hover {
        color: var(--primary-dark);
        gap: 10px;
    }

    .step-item {
        display: flex;
        gap: 18px;
        align-items: flex-start;
        padding: 18px 0;
        border-bottom: 1px solid var(--border-light);
        transition: all var(--transition);
    }

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

    .step-number {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        font-weight: 700;
        flex-shrink: 0;
        box-shadow: 0 6px 16px rgba(59, 130, 246, .3);
    }

    .step-item:nth-child(2) .step-number {
        background: var(--green);
        box-shadow: 0 6px 16px rgba(22, 163, 74, .3);
    }

    .step-item:nth-child(3) .step-number {
        background: var(--orange);
        box-shadow: 0 6px 16px rgba(249, 115, 22, .3);
    }

    .step-item:nth-child(4) .step-number {
        background: #64748B;
        box-shadow: 0 6px 16px rgba(100, 116, 139, .3);
    }

    .step-content h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 4px;
    }

    .step-content p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.65;
        margin: 0;
    }

    .video-placeholder {
        position: relative;
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        cursor: pointer;
        aspect-ratio: 16/9;
    }

    .video-placeholder img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

    .video-placeholder:hover img {
        transform: scale(1.03);
    }

    .video-overlay {
        position: absolute;
        inset: 0;
        background: rgba(15, 23, 42, .45);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background var(--transition);
    }

    .video-overlay .play-btn {
        width: 70px;
        height: 70px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .92);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        color: var(--primary);
        box-shadow: var(--shadow-lg);
        transition: all var(--transition);
    }

    .video-placeholder:hover .video-overlay {
        background: rgba(15, 23, 42, .35);
    }

    .video-placeholder:hover .play-btn {
        scale: 1.08;
        color: var(--primary-dark);
    }

    .tip-card {
        background: var(--surface);
        border-radius: var(--radius-card);
        padding: 22px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        height: 100%;
    }

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

    .tip-icon {
        width: 44px;
        height: 44px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 12px;
        flex-shrink: 0;
    }

    .tip-icon.blue {
        background: var(--primary-light);
        color: var(--primary);
    }
    .tip-icon.green {
        background: var(--green-light);
        color: var(--green);
    }
    .tip-icon.orange {
        background: var(--orange-light);
        color: var(--orange);
    }

    .tip-card h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 6px;
    }

    .tip-card p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.65;
        margin: 0;
    }

    /* FAQ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

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

    .faq-item.open {
        box-shadow: var(--shadow-md);
        border-color: var(--border);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 20px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-dark);
        text-align: left;
        transition: all var(--transition);
        cursor: pointer;
        background: none;
        border: none;
    }

    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        color: var(--text-muted);
        transition: all var(--transition);
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 20px;
    }

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

    .faq-answer p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;
    }

    /* Timeline */
    .timeline {
        position: relative;
        padding-left: 28px;
    }

    .timeline::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--border-light);
        border-radius: 2px;
    }

    .timeline-item {
        position: relative;
        padding-bottom: 24px;
    }

    .timeline-item:last-child {
        padding-bottom: 0;
    }

    .timeline-dot {
        position: absolute;
        left: -28px;
        top: 4px;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: var(--primary);
        border: 3px solid #fff;
        box-shadow: 0 0 0 3px var(--primary-light);
        flex-shrink: 0;
    }

    .timeline-item:nth-child(2) .timeline-dot {
        background: var(--green);
        box-shadow: 0 0 0 3px var(--green-light);
    }
    .timeline-item:nth-child(3) .timeline-dot {
        background: var(--orange);
        box-shadow: 0 0 0 3px var(--orange-light);
    }

    .timeline-version {
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: 0.03em;
        margin-bottom: 4px;
    }

    .timeline-content h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 6px;
    }

    .timeline-content p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;
    }

    /* Support Link */
    .support-link-card {
        display: flex;
        align-items: center;
        gap: 14px;
        background: var(--surface);
        border-radius: var(--radius-card);
        padding: 18px 20px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        cursor: pointer;
    }

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

    .support-link-card .sl-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        flex-shrink: 0;
    }

    .support-link-card .sl-text h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 2px;
    }

    .support-link-card .sl-text p {
        font-size: 13px;
        color: var(--text-muted);
        margin: 0;
        line-height: 1.5;
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        font-size: 15px;
        font-weight: 600;
        border-radius: var(--radius-btn);
        transition: all var(--transition);
        cursor: pointer;
        border: none;
        letter-spacing: 0.01em;
    }

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

    .btn-primary:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(59, 130, 246, .35);
    }

    .btn-outline {
        background: #fff;
        color: var(--primary);
        border: 1px solid var(--primary);
    }

    .btn-outline:hover {
        background: var(--primary-light);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(59, 130, 246, .15);
    }

    /* Footer */
    .site-footer {
        background: #0F172A;
        color: #CBD5E1;
        padding: 56px 0 32px;
        border-top: 1px solid #1E293B;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 40px;
        margin-bottom: 36px;
    }

    .footer-brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }

    .footer-brand:hover {
        color: var(--primary);
    }

    .footer-about {
        font-size: 14px;
        line-height: 1.7;
        color: #94A3B8;
        max-width: 340px;
    }

    .footer-col-title {
        font-size: 14px;
        font-weight: 700;
        color: #F1F5F9;
        letter-spacing: 0.06em;
        margin-bottom: 14px;
        text-transform: uppercase;
    }

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

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

    .footer-links a {
        font-size: 14px;
        color: #94A3B8;
        transition: color var(--transition);
        display: inline-flex;
        align-items: center;
    }

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

    .footer-divider {
        border-top: 1px solid #1E293B;
        padding-top: 20px;
        text-align: center;
        font-size: 13px;
        color: #64748B;
    }

    /* Fixed Bottom Bar */
    .fixed-bottom-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1100;
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border-light);
        box-shadow: 0 -4px 24px rgba(15, 23, 42, .08);
        padding: 12px 0;
        transform: translateY(100%);
        transition: transform 0.4s cubic-bezier(.4, 0, .2, 1);
    }

    .fixed-bottom-bar.show {
        transform: translateY(0);
    }

    .fixed-bar-inner {
        display: flex;
        align-items: center;
        gap: 16px;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .fixed-bar-text {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-dark);
        flex: 1;
        min-width: 200px;
    }

    .fixed-bar-close {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--text-muted);
        transition: all var(--transition);
        flex-shrink: 0;
        cursor: pointer;
    }

    .fixed-bar-close:hover {
        background: #EF4444;
        color: #fff;
    }

    /* Responsive */
    @media (max-width: 1023px) {
        .grid-container {
            padding-left: 18px;
            padding-right: 18px;
        }
        .section {
            padding: 52px 0;
        }
        .page-header {
            padding: 40px 0 28px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .header-search-row .search-form input {
            font-size: 14px;
            height: 38px;
        }
        .main-nav {
            gap: 2px;
        }
        .nav-link {
            padding: 7px 10px;
            font-size: 13px;
        }
    }

    @media (max-width: 767px) {
        .grid-container {
            padding-left: 14px;
            padding-right: 14px;
        }
        .section {
            padding: 40px 0;
        }
        .page-header {
            padding: 32px 0 22px;
        }
        .section-title {
            font-size: 22px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 22px;
        }
        .fixed-bar-inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .fixed-bar-text {
            min-width: 0;
        }
    }

    @media (max-width: 639px) {
        .mobile-toggle {
            display: inline-flex;
        }
        .mobile-drawer {
            display: block;
        }
        .drawer-overlay {
            display: block;
        }
        .header-main .main-nav {
            display: none;
        }
        .header-search-row {
            padding: 8px 0;
        }
        .search-form input {
            height: 38px;
            font-size: 14px;
            padding-left: 40px;
        }
        .nav-link {
            font-size: 15px;
            padding: 12px 14px;
        }
    }

/* roulang page: category6 */
:root {
            --primary: #3B82F6;
            --primary-dark: #2563EB;
            --primary-light: #EFF6FF;
            --green: #16A34A;
            --green-light: #F0FDF4;
            --orange: #F97316;
            --orange-light: #FFF7ED;
            --bg: #F5F7FB;
            --surface: #FFFFFF;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --shadow-xl: 0 24px 48px rgba(15, 23, 42, .16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-dark {
            background: #0F172A;
            color: var(--text-light);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-dark .section-subtitle {
            color: #CBD5E1;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-search-row {
            padding: 10px 0;
            background: var(--surface);
        }

        .search-form {
            position: relative;
            max-width: 100%;
        }

        .search-form .fa-magnifying-glass {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }

        .search-form input {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: #EEF2F6;
            padding: 0 18px 0 44px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .search-form input::placeholder {
            color: #94A3B8;
        }

        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }

        .header-main {
            padding: 10px 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }

        .brand-logo:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-name {
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

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

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .header-toggle {
            display: none;
            font-size: 22px;
            color: var(--text-dark);
            padding: 8px;
            border-radius: 8px;
        }

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

        /* Cards & Buttons */
        .card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

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

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

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .badge-green {
            background: var(--green-light);
            color: var(--green);
        }

        .badge-orange {
            background: var(--orange-light);
            color: var(--orange);
        }

        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* Page hero (compact) */
        .page-hero {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 40px;
        }

        .page-hero h1 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .page-hero .page-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.75;
        }

        /* Status cards */
        .status-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .status-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }

        .status-card:hover {
            box-shadow: var(--shadow-md);
        }

        .status-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .status-icon.green {
            background: var(--green-light);
            color: var(--green);
        }

        .status-icon.orange {
            background: var(--orange-light);
            color: var(--orange);
        }

        .status-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 2px;
        }

        .status-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #FFFFFF;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item.primary::before {
            background: var(--primary);
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item.green::before {
            background: var(--green);
            box-shadow: 0 0 0 2px var(--green);
        }

        .timeline-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-md);
        }

        .timeline-version {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .timeline-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 8px;
        }

        .timeline-card p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
        }

        .timeline-card .update-list {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }

        .timeline-card .update-list li {
            font-size: 14px;
            color: var(--text-muted);
            padding-left: 20px;
            position: relative;
            margin-bottom: 6px;
        }

        .timeline-card .update-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--green);
            font-weight: 700;
        }

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

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

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

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

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

        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
        }

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

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* Form */
        .form-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 32px;
            box-shadow: var(--shadow-md);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: #F8FAFC;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-hint {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Knowledge cards */
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .knowledge-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .knowledge-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .knowledge-card .card-body {
            padding: 20px 24px;
        }

        .knowledge-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 8px;
        }

        .knowledge-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 12px;
            line-height: 1.7;
        }

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

        .knowledge-card .card-link:hover {
            color: var(--primary-dark);
        }

        /* Fixed bottom CTA */
        .bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -8px 24px rgba(15, 23, 42, .08);
            padding: 12px 24px;
            transform: translateY(100%);
            transition: transform 0.35s cubic-bezier(.4, 0, .2, 1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .bottom-cta.show {
            transform: translateY(0);
        }

        .bottom-cta .cta-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            flex: 1;
            min-width: 200px;
        }

        .bottom-cta .cta-close {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--border-light);
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .bottom-cta .cta-close:hover {
            background: var(--border);
            color: var(--text-dark);
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: var(--text-light);
            padding: 56px 0 24px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            transition: color var(--transition);
        }

        .footer-brand:hover {
            color: #CBD5E1;
        }

        .footer-about {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        .footer-divider {
            border-top: 1px solid #1E293B;
            padding-top: 20px;
            text-align: center;
        }

        .footer-divider p {
            font-size: 13px;
            color: #64748B;
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .header-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .main-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 0;
                background: var(--surface);
                border-top: 1px solid var(--border-light);
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 10px 16px;
                border-radius: 8px;
                font-size: 15px;
            }

            .header-main .grid-container {
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 12px;
            }

            .section {
                padding: 48px 0;
            }
        }

        @media (max-width: 639px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 40px 0;
            }

            .page-hero {
                padding: 36px 0 32px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 22px;
            }

            .btn {
                width: 100%;
                padding: 11px 20px;
                font-size: 14px;
            }

            .form-card {
                padding: 20px;
            }

            .knowledge-grid {
                grid-template-columns: 1fr;
            }

            .bottom-cta {
                padding: 10px 16px;
            }

            .bottom-cta .cta-text {
                font-size: 13px;
            }

            .timeline {
                padding-left: 22px;
            }

            .timeline-item::before {
                left: -18px;
                width: 8px;
                height: 8px;
            }
        }