/* roulang page: index */
:root {
            --bg-dark: #0E1118;
            --bg-dark-2: #1A1F2B;
            --bg-light: #F5F7FA;
            --primary: #2DD4BF;
            --primary-alt: #00E5A0;
            --accent: #FF6B35;
            --text-dark: #0E1118;
            --text-light: #FFFFFF;
            --text-muted: #6B7280;
            --text-gray: #9CA3AF;
            --border: #E5E7EB;
            --border-dark: #2D3442;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 0 0 2px rgba(45, 212, 191, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .section-pad-sm {
            padding: 56px 0;
        }

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

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

        .section-white {
            background: #FFFFFF;
            color: var(--text-dark);
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
            background: rgba(45, 212, 191, 0.1);
            padding: 4px 14px;
            border-radius: 16px;
        }

        .section-tag.orange {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: inherit;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-dark .section-subtitle {
            color: var(--text-gray);
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 17, 24, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition);
        }

        .site-header.scrolled {
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.1);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--bg-dark);
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-alt);
            border-color: var(--primary-alt);
            filter: brightness(1.08);
            box-shadow: 0 4px 16px rgba(45, 212, 191, 0.35);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: rgba(45, 212, 191, 0.5);
        }

        .btn-secondary:hover {
            background: rgba(45, 212, 191, 0.08);
            border-color: var(--primary);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: var(--shadow-glow);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

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

        .btn-accent:hover {
            background: #e85a28;
            border-color: #e85a28;
            filter: brightness(1.05);
        }

        .btn-lg {
            font-size: 16px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            font-size: 13px;
            padding: 8px 16px;
            border-radius: 6px;
        }

        .btn-dark-outline {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.35);
        }

        .btn-dark-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-light);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            padding: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: all var(--transition);
        }

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

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

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

        /* Mobile nav */
        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(14, 17, 24, 0.98);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            z-index: 999;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            color: var(--text-gray);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: 8px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.1);
        }

        .mobile-menu .nav-cta-group {
            flex-direction: column;
            gap: 8px;
            margin-top: 12px;
        }

        .mobile-menu .nav-cta-group .btn {
            width: 100%;
        }

        /* Hero */
        .hero {
            background: var(--bg-dark);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(45, 212, 191, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 20%, rgba(255, 107, 53, 0.08) 0%, transparent 45%),
                radial-gradient(ellipse at 60% 80%, rgba(0, 229, 160, 0.06) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-grid-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

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

        .hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--text-light);
        }

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

        .hero-content .hero-subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-gray);
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

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

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }

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

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            aspect-ratio: 4 / 3;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: saturate(1.05) contrast(1.02);
        }

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px 20px;
            background: linear-gradient(to top, rgba(14, 17, 24, 0.95) 30%, transparent 100%);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hero-odds-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-odds-badge {
            background: rgba(14, 17, 24, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 6px;
            padding: 6px 12px;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--primary);
            backdrop-filter: blur(8px);
        }

        .hero-odds-badge span {
            color: var(--text-gray);
            font-size: 11px;
            margin-right: 4px;
        }

        /* Cards */
        .card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(45, 212, 191, 0.3);
        }

        .card-dark {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-dark);
            color: var(--text-light);
        }

        .card-dark:hover {
            border-color: rgba(45, 212, 191, 0.4);
            box-shadow: var(--shadow-lg);
        }

        .card-light {
            background: #FFFFFF;
            border: 1px solid var(--border);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

        /* Pain points */
        .pain-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .pain-card .pain-icon {
            font-size: 28px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 107, 53, 0.08);
            border-radius: var(--radius-sm);
            color: var(--accent);
            flex-shrink: 0;
        }

        .pain-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
        }

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

        /* Solution cards */
        .solution-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--shadow-sm);
        }

        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(45, 212, 191, 0.35);
        }

        .solution-card .solution-icon {
            font-size: 32px;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(45, 212, 191, 0.08);
            border-radius: var(--radius-sm);
            color: var(--primary);
        }

        .solution-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
        }

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

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

        .solution-card .solution-link:hover {
            color: var(--primary-alt);
        }

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

        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }

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

        .step-number {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 12px;
            display: block;
        }

        .step-number.orange {
            color: var(--accent);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

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

        .metric-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .metric-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(45, 212, 191, 0.25);
        }

        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

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

        .metric-card .metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            margin-top: 8px;
            padding: 2px 8px;
            background: rgba(255, 107, 53, 0.08);
            border-radius: 12px;
        }

        /* Testimonials */
        .testimonial-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .testimonial-header .names-wrap {
            display: flex;
            flex-direction: column;
        }

        .testimonial-header .player-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
        }

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

        .testimonial-stars {
            color: #F5A623;
            font-size: 14px;
            letter-spacing: 2px;
        }

        .testimonial-quote {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            font-style: italic;
        }

        /* Audience */
        .audience-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .audience-card .audience-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

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

        .audience-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

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

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(45, 212, 191, 0.25);
        }

        .news-card .news-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .news-card .news-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .news-card .news-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
        }

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

        .news-card .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
            margin-top: auto;
        }

        .news-card .news-link:hover {
            color: var(--primary-alt);
        }

        /* Data dashboard */
        .dashboard-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .dashboard-tab {
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-gray);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .dashboard-tab.active,
        .dashboard-tab:hover {
            background: rgba(45, 212, 191, 0.15);
            color: var(--primary);
            border-color: rgba(45, 212, 191, 0.3);
        }

        .dashboard-tab:focus {
            outline: none;
            box-shadow: var(--shadow-glow);
        }

        .chart-container {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 160px;
            flex: 1;
        }

        .chart-bar-group {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .chart-bar {
            width: 100%;
            max-width: 48px;
            border-radius: 4px 4px 0 0;
            background: linear-gradient(180deg, var(--primary) 0%, rgba(45, 212, 191, 0.5) 100%);
            transition: height var(--transition);
            min-height: 10px;
        }

        .chart-bar-group .bar-label {
            font-size: 11px;
            color: var(--text-gray);
            font-family: var(--font-mono);
            text-align: center;
        }

        .chart-bars-container {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .chart-bars.horizontal .chart-bar {
            height: 32px;
            border-radius: 0 4px 4px 0;
            max-width: 100%;
            width: var(--bar-width, 50%);
            min-height: 32px;
        }

        .chart-bars.horizontal {
            flex-direction: column;
            align-items: stretch;
            gap: 10px;
            height: auto;
        }

        .chart-bars.horizontal .chart-bar-group {
            flex-direction: row;
            align-items: center;
            gap: 12px;
            flex: none;
        }

        .chart-bars.horizontal .chart-bar-group .bar-label {
            font-size: 12px;
            color: var(--text-gray);
            font-family: var(--font-sans);
            text-align: left;
            width: 100px;
            flex-shrink: 0;
        }

        /* Brand intro */
        .brand-intro-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
        }

        .brand-intro-card p {
            font-size: 16px;
            line-height: 2;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

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

        .brand-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 16px;
            color: var(--accent);
            background: rgba(255, 107, 53, 0.08);
        }

        .badge.cyan {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.08);
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.open {
            background: rgba(45, 212, 191, 0.04);
            border-color: rgba(45, 212, 191, 0.3);
            box-shadow: inset 2px 0 0 var(--primary);
        }

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

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

        .faq-question:focus {
            outline: none;
            color: var(--primary);
        }

        .faq-question .faq-icon {
            font-size: 20px;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--text-muted);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

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

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

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-dark);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 60%, rgba(45, 212, 191, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 48px 0;
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--text-gray);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-tagline {
            display: inline-block;
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 16px;
        }

        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Review wall */
        .review-summary-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
        }

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

        .review-summary-card .review-score {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .review-summary-card .review-stars {
            color: #F5A623;
            font-size: 18px;
            letter-spacing: 4px;
            margin: 8px 0;
        }

        .review-summary-card .review-count {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: #0E1118;
            color: var(--text-gray);
            padding: 60px 0 32px;
        }

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

        .footer-col .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-gray);
            max-width: 280px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-gray);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-gray);
        }

        .footer-bottom a {
            color: var(--primary);
            font-weight: 500;
            transition: color var(--transition);
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-visual {
                aspect-ratio: 16 / 9;
            }

            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

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

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }

            .hero {
                padding: 60px 0 70px;
                min-height: auto;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .section-title {
                font-size: 23px;
            }

            .section-pad {
                padding: 56px 0;
            }

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

            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }

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

            .news-list {
                grid-template-columns: 1fr;
            }

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

            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta-group {
                display: none;
            }

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

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 25px;
            }

            .hero-content .hero-subtitle {
                font-size: 14px;
            }

            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .hero-stats {
                gap: 16px;
                flex-wrap: wrap;
            }

            .hero-stat .stat-value {
                font-size: 20px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .chart-bars {
                gap: 6px;
            }

            .dashboard-tabs {
                gap: 4px;
            }

            .dashboard-tab {
                padding: 8px 14px;
                font-size: 12px;
            }

            .brand-intro-card {
                padding: 24px 20px;
            }

            .cta-btns {
                flex-direction: column;
                width: 100%;
            }

            .cta-btns .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0E1118;
            --bg-dark-2: #1A1F2B;
            --bg-light: #F5F7FA;
            --primary: #2DD4BF;
            --primary-alt: #00E5A0;
            --accent: #FF6B35;
            --text-dark: #0E1118;
            --text-light: #FFFFFF;
            --text-muted: #6B7280;
            --text-gray: #9CA3AF;
            --border: #E5E7EB;
            --border-dark: #2D3442;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 0 0 2px rgba(45, 212, 191, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }
        .section-white {
            background: #FFFFFF;
            color: var(--text-dark);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
            background: rgba(45, 212, 191, 0.1);
            padding: 4px 14px;
            border-radius: 16px;
        }
        .section-tag.orange {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: inherit;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }
        .section-dark .section-subtitle {
            color: var(--text-gray);
        }
        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 17, 24, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition);
        }
        .site-header.scrolled {
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.1);
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition), color var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--bg-dark);
        }
        .btn-primary:hover {
            background: #3fe0c9;
            box-shadow: 0 4px 16px rgba(45, 212, 191, 0.35);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid rgba(45, 212, 191, 0.5);
        }
        .btn-secondary:hover {
            background: rgba(45, 212, 191, 0.1);
            box-shadow: 0 4px 16px rgba(45, 212, 191, 0.15);
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-glow);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-accent {
            background: var(--accent);
            color: #FFFFFF;
        }
        .btn-accent:hover {
            background: #ff8256;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
        }
        /* Mobile menu toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Hero section */
        .cat-hero {
            position: relative;
            background-color: var(--bg-dark);
            background-image: linear-gradient(rgba(14, 17, 24, 0.82), rgba(14, 17, 24, 0.92)), url('/assets/images/9440f8f3562ba93b.jpg');
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-dark);
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(45, 212, 191, 0.08), transparent 60%);
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 1;
        }
        .cat-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            max-width: 800px;
        }
        .cat-hero .hero-desc {
            font-size: 17px;
            color: var(--text-gray);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-gray);
        }
        /* Cards grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(45, 212, 191, 0.4);
        }
        .card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-dark-2);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .card-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
        }
        .card-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 16px;
            background: rgba(45, 212, 191, 0.1);
            color: var(--primary);
        }
        .card-badge.orange {
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
        }
        .card-title {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-footer-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .card-link:hover {
            color: var(--primary-alt);
        }
        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-chip {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--text-dark);
            transition: background var(--transition), border-color var(--transition), color var(--transition);
        }
        .tag-chip:hover {
            background: rgba(45, 212, 191, 0.08);
            border-color: rgba(45, 212, 191, 0.4);
            color: #0d9488;
        }
        .tag-chip.hot {
            background: rgba(255, 107, 53, 0.08);
            border-color: rgba(255, 107, 53, 0.35);
            color: var(--accent);
        }
        /* Recommended list */
        .recommend-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .recommend-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .recommend-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .recommend-item .rec-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
        }
        .recommend-item .rec-content {
            flex: 1;
        }
        .recommend-item .rec-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .recommend-item .rec-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* Subscribe form */
        .subscribe-box {
            background: var(--bg-dark-2);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            border: 1px solid var(--border-dark);
        }
        .subscribe-box h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .subscribe-box p {
            font-size: 15px;
            color: var(--text-gray);
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            width: 100%;
            max-width: 480px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-dark);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            font-size: 15px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-gray);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
        }
        /* View more */
        .view-more-wrap {
            display: flex;
            justify-content: center;
            padding-top: 12px;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-gray);
            padding: 60px 0 24px;
            border-top: 1px solid var(--border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-gray);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-legal a {
            color: var(--text-gray);
            transition: color var(--transition);
        }
        .footer-legal a:hover {
            color: var(--primary);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }
            .cat-hero {
                padding: 48px 0 40px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 17, 24, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 20px;
                gap: 4px;
                display: none;
                border-bottom: 1px solid var(--border-dark);
                box-shadow: var(--shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                text-align: center;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .nav-cta-group .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .hero-stats {
                gap: 16px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-box {
                padding: 32px 20px;
            }
            .recommend-item {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 21px;
            }
            .card-body {
                padding: 16px 18px;
            }
            .card-title {
                font-size: 17px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .footer-legal {
                justify-content: center;
            }
            .nav-cta-group .btn {
                font-size: 12px;
                padding: 7px 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-dark: #0E1118;
            --bg-dark-2: #1A1F2B;
            --bg-light: #F5F7FA;
            --primary: #2DD4BF;
            --primary-alt: #00E5A0;
            --accent: #FF6B35;
            --text-dark: #0E1118;
            --text-light: #FFFFFF;
            --text-muted: #6B7280;
            --text-gray: #9CA3AF;
            --border: #E5E7EB;
            --border-dark: #2D3442;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 0 0 2px rgba(45, 212, 191, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

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

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

        .section-pad-sm {
            padding: 56px 0;
        }

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

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

        .section-white {
            background: #FFFFFF;
            color: var(--text-dark);
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
            background: rgba(45, 212, 191, 0.1);
            padding: 4px 14px;
            border-radius: 16px;
        }

        .section-tag.orange {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: inherit;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-dark .section-subtitle {
            color: var(--text-gray);
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 17, 24, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition);
        }

        .site-header.scrolled {
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.1);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--bg-dark);
            box-shadow: 0 2px 8px rgba(45, 212, 191, 0.25);
        }

        .btn-primary:hover {
            background: #3ce0cc;
            box-shadow: 0 4px 16px rgba(45, 212, 191, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

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

        .btn-outline {
            border: 1px solid rgba(45, 212, 191, 0.5);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(45, 212, 191, 0.08);
            border-color: var(--primary);
        }

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

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

        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            color: var(--text-light);
            font-size: 24px;
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* Page Head */
        .page-head {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .page-head::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(45, 212, 191, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-gray);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .page-head h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: var(--text-light);
        }

        .page-head .lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-gray);
            max-width: 720px;
            margin: 0;
        }

        /* Filter Bar */
        .filter-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: relative;
            z-index: 10;
        }

        .filter-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-btn {
            font-size: 13px;
            font-weight: 500;
            padding: 7px 16px;
            border-radius: 20px;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            background: rgba(45, 212, 191, 0.08);
            color: var(--primary);
        }

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

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

        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-light);
            border-radius: 20px;
            padding: 6px 16px;
            border: 1px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 200px;
        }

        .filter-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.15);
            background: #fff;
        }

        .filter-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-dark);
            width: 100%;
            padding: 4px 0;
        }

        .filter-search input::placeholder {
            color: var(--text-muted);
        }

        .filter-search .search-icon {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }

        /* Strategy List */
        .strategy-list {
            background: var(--bg-light);
            padding: 56px 0 32px;
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .strategy-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .strategy-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(45, 212, 191, 0.3);
        }

        .strategy-card .card-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-dark-2);
        }

        .strategy-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .strategy-card:hover .card-media img {
            transform: scale(1.03);
        }

        .strategy-card .badge-difficulty {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            background: rgba(14, 17, 24, 0.8);
            color: #fff;
            backdrop-filter: blur(4px);
            letter-spacing: 0.04em;
        }

        .badge-difficulty.beginner {
            background: rgba(45, 212, 191, 0.9);
            color: var(--bg-dark);
        }

        .badge-difficulty.intermediate {
            background: rgba(255, 193, 7, 0.9);
            color: var(--bg-dark);
        }

        .badge-difficulty.advanced {
            background: rgba(255, 107, 53, 0.9);
            color: #fff;
        }

        .strategy-card .card-body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

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

        .strategy-card .card-meta .date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-gray);
        }

        .strategy-card .card-meta .read-time {
            background: var(--bg-light);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .strategy-card h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--text-dark);
            letter-spacing: -0.01em;
        }

        .strategy-card h3 a {
            color: inherit;
            transition: color var(--transition);
        }

        .strategy-card h3 a:hover {
            color: var(--primary);
        }

        .strategy-card .excerpt {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }

        .strategy-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .strategy-card .author {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .strategy-card .author-avatar {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--bg-dark);
        }

        .strategy-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .strategy-card .card-link:hover {
            gap: 8px;
        }

        /* Data Insight */
        .data-insight {
            background: #fff;
            padding: 48px 0 64px;
        }

        .data-insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .data-insight-card {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: 32px;
            color: var(--text-light);
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
            overflow: hidden;
        }

        .data-insight-card::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(45, 212, 191, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .data-insight-card .card-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .data-insight-card h3 {
            font-size: 21px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-light);
            position: relative;
            z-index: 1;
        }

        .data-insight-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-gray);
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .metrics-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        .metric-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 16px;
            text-align: center;
        }

        .metric-item .metric-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-item .metric-label {
            font-size: 12px;
            color: var(--text-gray);
            letter-spacing: 0.04em;
        }

        .insight-notes {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .insight-notes .note-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .note-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .note-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .note-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(45, 212, 191, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            flex-shrink: 0;
        }

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

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

        /* Tool CTA */
        .tool-cta {
            background: var(--bg-dark);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .tool-cta::before {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .tool-cta .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .tool-cta h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .tool-cta p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .tool-cta .cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Recommended */
        .recommended {
            background: var(--bg-light);
            padding: 56px 0;
        }

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

        .recommended-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .recommended-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .recommended-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(45, 212, 191, 0.25);
            transform: translateY(-1px);
        }

        .recommended-card .rec-index {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: rgba(45, 212, 191, 0.3);
            flex-shrink: 0;
            line-height: 1;
        }

        .recommended-card .rec-body {
            flex: 1;
        }

        .recommended-card .rec-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .recommended-card .rec-meta {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .recommended-card .rec-arrow {
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .recommended-card:hover .rec-arrow {
            transform: translateX(4px);
        }

        /* View More */
        .view-more {
            background: #fff;
            padding: 32px 0 64px;
        }

        .view-more .container {
            display: flex;
            justify-content: center;
        }

        .view-more .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: var(--bg-light);
            border: 1px solid var(--border);
            padding: 14px 36px;
            border-radius: 40px;
            transition: all var(--transition);
        }

        .view-more .btn-view-more:hover {
            background: rgba(45, 212, 191, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-gray);
            padding: 56px 0 0;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: 6px;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-gray);
            max-width: 280px;
            margin: 0;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

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

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

        .footer-col ul li a {
            color: var(--text-gray);
            font-size: 13px;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

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

        .footer-legal span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .strategy-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .data-insight-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 17, 24, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                text-align: left;
                border-radius: 8px;
            }
            .nav-cta-group {
                display: none;
            }
            .nav-cta-group.mobile-open {
                display: flex;
                flex-direction: column;
                gap: 8px;
                position: absolute;
                top: calc(var(--nav-height) + 260px);
                left: 0;
                right: 0;
                background: rgba(14, 17, 24, 0.98);
                padding: 16px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .hamburger {
                display: flex;
            }
            .page-head h1 {
                font-size: 28px;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .recommended-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .filter-bar .container {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-search {
                min-width: 100%;
            }
            .data-insight-card {
                padding: 24px;
            }
            .metrics-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .metric-item .metric-value {
                font-size: 22px;
            }
            .section-pad {
                padding: 56px 0;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-head {
                padding: 32px 0 40px;
            }
            .page-head h1 {
                font-size: 24px;
            }
            .page-head .lead {
                font-size: 14px;
            }
            .section-title {
                font-size: 23px;
            }
            .strategy-card .card-body {
                padding: 18px 16px 16px;
            }
            .strategy-card h3 {
                font-size: 17px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .metrics-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-dark: #0E1118;
            --bg-dark-2: #1A1F2B;
            --bg-light: #F5F7FA;
            --primary: #2DD4BF;
            --primary-alt: #00E5A0;
            --accent: #FF6B35;
            --text-dark: #0E1118;
            --text-light: #FFFFFF;
            --text-muted: #6B7280;
            --text-gray: #9CA3AF;
            --border: #E5E7EB;
            --border-dark: #2D3442;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 0 0 2px rgba(45, 212, 191, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --nav-height: 60px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .section-pad {
            padding: 72px 0;
        }

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

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

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

        .section-white {
            background: #FFFFFF;
            color: var(--text-dark);
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 12px;
            background: rgba(45, 212, 191, 0.12);
            padding: 4px 14px;
            border-radius: 16px;
        }

        .section-tag.orange {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.12);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
            color: inherit;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-dark .section-subtitle {
            color: var(--text-gray);
        }

        .section-light .section-subtitle {
            color: var(--text-muted);
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 17, 24, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition);
        }

        .site-header.scrolled {
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

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

        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            color: var(--text-gray);
            font-size: 13.5px;
            font-weight: 500;
            padding: 7px 12px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.12);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
            line-height: 1.4;
            position: relative;
            overflow: hidden;
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: var(--shadow-glow);
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--primary);
            color: var(--bg-dark);
            font-weight: 700;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: #3de0cc;
            border-color: #3de0cc;
            box-shadow: 0 4px 16px rgba(45, 212, 191, 0.35);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid rgba(45, 212, 191, 0.5);
        }

        .btn-outline:hover {
            background: rgba(45, 212, 191, 0.08);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-light);
            border: 1px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-1px);
        }

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

        .btn-lg {
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-gray);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: var(--border-dark);
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Category Header */
        .category-header {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 40px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .category-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(45, 212, 191, 0.08) 0%, transparent 65%),
                radial-gradient(ellipse at 75% 40%, rgba(255, 107, 53, 0.06) 0%, transparent 50%);
            pointer-events: none;
        }

        .category-header::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
            opacity: 0.5;
        }

        .category-header .container {
            position: relative;
            z-index: 1;
        }

        .category-header h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .category-header .cat-desc {
            font-size: 15px;
            color: var(--text-gray);
            max-width: 760px;
            line-height: 1.8;
        }

        /* Odds Table Section */
        .odds-table-section {
            background: #FFFFFF;
            color: var(--text-dark);
        }

        .odds-table-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }

        .odds-table-card:hover {
            box-shadow: var(--shadow-md);
        }

        .odds-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
            gap: 12px;
        }

        .odds-table-header h2 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .odds-update-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
            padding: 4px 12px;
            border-radius: 16px;
            font-weight: 600;
        }

        .odds-update-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.8s infinite;
        }

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

        .odds-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .odds-table th {
            background: var(--bg-dark);
            color: var(--text-light);
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            font-size: 13px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

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

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

        .odds-table tbody tr:hover {
            background: rgba(45, 212, 191, 0.04);
        }

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

        .match-type {
            display: inline-block;
            font-size: 11px;
            color: var(--text-muted);
            background: var(--bg-light);
            padding: 2px 8px;
            border-radius: 4px;
            margin-left: 8px;
        }

        .odds-value {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .odds-change {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .odds-change.up {
            color: #16A34A;
        }

        .odds-change.down {
            color: #DC2626;
        }

        .odds-change.flat {
            color: var(--text-muted);
        }

        .return-rate {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        .odds-table-mobile-cards {
            display: none;
        }

        /* Odds Trend Section */
        .odds-trend-section {
            background: var(--bg-light);
        }

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

        .trend-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .trend-card .trend-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(45, 212, 191, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            color: var(--primary);
        }

        .trend-card .trend-icon.orange {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
        }

        .trend-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

        .trend-bar {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 48px;
            margin-top: 10px;
        }

        .trend-bar .bar {
            flex: 1;
            border-radius: 3px 3px 0 0;
            background: var(--primary);
            opacity: 0.7;
            min-height: 8px;
            transition: opacity var(--transition);
        }

        .trend-bar .bar:hover {
            opacity: 1;
        }

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

        .trend-bar .bar.gray-bar {
            background: var(--text-gray);
            opacity: 0.35;
        }

        /* Update Frequency Section */
        .update-section {
            background: #FFFFFF;
        }

        .update-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .update-item {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--border);
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .update-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(45, 212, 191, 0.4);
        }

        .update-item .update-time {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

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

        /* Related Events Section */
        .related-events {
            background: var(--bg-light);
        }

        .event-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .event-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .event-card .event-img {
            position: relative;
            aspect-ratio: 16 / 7;
            overflow: hidden;
        }

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

        .event-card:hover .event-img img {
            transform: scale(1.03);
        }

        .event-card .event-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-light);
            background: rgba(14, 17, 24, 0.75);
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.04em;
        }

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

        .event-card .event-body h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .event-card .event-body p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        /* FAQ Section */
        .faq-section {
            background: #FFFFFF;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: #FFFFFF;
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }

        .faq-item.active {
            border-color: rgba(45, 212, 191, 0.5);
            box-shadow: var(--shadow-sm);
            background: rgba(45, 212, 191, 0.03);
        }

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

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            transition: all var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            border-color: var(--primary);
            color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 18px;
        }

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

        .faq-answer p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
            border-left: 2px solid var(--primary);
            padding-left: 14px;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--bg-dark);
            color: var(--text-light);
            border-radius: var(--radius-lg);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(45, 212, 191, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 60%, rgba(255, 107, 53, 0.07) 0%, transparent 50%);
            pointer-events: none;
        }

        .subscribe-cta .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-cta h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .subscribe-form input {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-light);
            font-size: 14px;
            width: 240px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input::placeholder {
            color: var(--text-gray);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.3);
        }

        /* More Odds Section */
        .more-odds-section {
            background: #FFFFFF;
        }

        .more-odds-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .more-odds-item {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .more-odds-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(45, 212, 191, 0.4);
        }

        .more-odds-item .more-odds-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
            gap: 8px;
        }

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

        .more-odds-item .more-odds-change {
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
        }

        .more-odds-item .more-odds-meta {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-gray);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 13.5px;
            line-height: 1.8;
            color: var(--text-gray);
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-gray);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-legal a {
            color: var(--text-gray);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .trend-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

            .main-nav a {
                padding: 7px 8px;
                font-size: 13px;
            }

            .nav-cta-group .btn span.btn-text {
                display: none;
            }

            .nav-cta-group .btn {
                padding: 8px 12px;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }

            .section-pad-sm {
                padding: 36px 0;
            }

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

            .category-header h1 {
                font-size: 24px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-dark);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                padding: 10px 14px;
                font-size: 15px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta-group {
                gap: 6px;
            }

            .nav-cta-group .btn {
                padding: 7px 10px;
                font-size: 12px;
            }

            .odds-table {
                font-size: 12.5px;
            }

            .odds-table th,
            .odds-table td {
                padding: 10px 12px;
            }

            .trend-grid {
                grid-template-columns: 1fr;
            }

            .event-grid {
                grid-template-columns: 1fr;
            }

            .update-grid {
                grid-template-columns: 1fr 1fr;
            }

            .more-odds-grid {
                grid-template-columns: 1fr;
            }

            .subscribe-cta {
                padding: 28px 20px;
            }

            .subscribe-cta .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form {
                width: 100%;
                flex-direction: column;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-header h1 {
                font-size: 21px;
            }

            .category-header .cat-desc {
                font-size: 13.5px;
            }

            .odds-table-wrapper {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .odds-table {
                min-width: 560px;
            }

            .odds-table-mobile-hint {
                display: block;
                font-size: 11px;
                color: var(--text-muted);
                margin-top: 8px;
                text-align: right;
            }

            .update-grid {
                grid-template-columns: 1fr;
            }

            .trend-card {
                padding: 18px;
            }

            .breadcrumb {
                font-size: 12px;
            }

            .logo {
                font-size: 16px;
            }

            .nav-cta-group .btn span.btn-text-short {
                display: none;
            }
        }

/* roulang page: category4 */
:root {
            --bg-dark: #0E1118;
            --bg-dark-2: #1A1F2B;
            --bg-light: #F5F7FA;
            --primary: #2DD4BF;
            --primary-alt: #00E5A0;
            --accent: #FF6B35;
            --text-dark: #0E1118;
            --text-light: #FFFFFF;
            --text-muted: #6B7280;
            --text-gray: #9CA3AF;
            --border: #E5E7EB;
            --border-dark: #2D3442;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 0 0 2px rgba(45, 212, 191, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }

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

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

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

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

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

        .section-pad {
            padding: 72px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }
        .section-white {
            background: #FFFFFF;
            color: var(--text-dark);
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
            background: rgba(45, 212, 191, 0.1);
            padding: 4px 14px;
            border-radius: 16px;
        }
        .section-tag.orange {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: inherit;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }
        .section-dark .section-subtitle {
            color: var(--text-gray);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 17, 24, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.1);
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--bg-dark);
        }
        .btn-primary:hover {
            background: #3de0c9;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(45, 212, 191, 0.3);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline {
            border: 1px solid rgba(45, 212, 191, 0.5);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(45, 212, 191, 0.1);
            border-color: var(--primary);
        }
        .btn-outline:focus-visible {
            outline: none;
            box-shadow: var(--shadow-glow);
        }
        .btn-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .btn-dark:hover {
            background: var(--bg-dark-2);
            transform: translateY(-1px);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-dark-2);
            border-bottom: 1px solid var(--border-dark);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-gray);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-gray);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #4B5563;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Page Hero */
        .page-hero {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(45, 212, 191, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-gray);
            max-width: 720px;
            line-height: 1.8;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-gray);
        }
        .hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-stat .stat-label {
            font-size: 13px;
            line-height: 1.4;
        }

        /* Filter Bar */
        .filter-bar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: -32px;
            position: relative;
            z-index: 5;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 2fr 1fr 1fr auto;
            gap: 14px;
            align-items: end;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .filter-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .filter-group input,
        .filter-group select {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-dark);
            background: #FFFFFF;
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            width: 100%;
        }
        .filter-group input:focus,
        .filter-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.15);
        }
        .filter-group input::placeholder {
            color: var(--text-gray);
        }
        .filter-btn {
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            background: var(--primary);
            color: var(--bg-dark);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-btn:hover {
            background: #3de0c9;
            transform: translateY(-1px);
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
            align-items: center;
        }
        .tag-cloud .tag-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .tag-cloud .tag {
            display: inline-block;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--text-muted);
            transition: all var(--transition);
            cursor: pointer;
        }
        .tag-cloud .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(45, 212, 191, 0.05);
        }
        .tag-cloud .tag.hot {
            background: rgba(255, 107, 53, 0.1);
            border-color: rgba(255, 107, 53, 0.3);
            color: var(--accent);
        }

        /* Team Grid */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .team-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .team-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(45, 212, 191, 0.4);
        }
        .team-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-light);
        }
        .team-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .team-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        .team-card .team-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
        }
        .team-card .region-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(45, 212, 191, 0.1);
            color: var(--primary);
        }
        .team-card .team-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .team-card .card-stats {
            display: flex;
            gap: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .team-card .mini-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .team-card .mini-stat .mini-num {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
        }
        .team-card .mini-stat .mini-label {
            font-size: 12px;
            color: var(--text-gray);
        }

        /* Player Data Cards */
        .player-data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .player-data-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
        }
        .player-data-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(45, 212, 191, 0.4);
        }
        .player-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 3px solid rgba(45, 212, 191, 0.3);
        }
        .player-info {
            flex: 1;
        }
        .player-info .player-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 2px;
        }
        .player-info .player-role {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .player-info .player-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }
        .player-info .p-stat {
            text-align: center;
            padding: 8px 6px;
            background: var(--bg-light);
            border-radius: 6px;
        }
        .player-info .p-stat .p-num {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
        }
        .player-info .p-stat .p-label {
            font-size: 11px;
            color: var(--text-gray);
        }

        /* Performance Table */
        .perf-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }
        .perf-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 760px;
        }
        .perf-table thead {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .perf-table th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .perf-table td {
            padding: 13px 18px;
            border-bottom: 1px solid var(--border);
            color: var(--text-dark);
            white-space: nowrap;
        }
        .perf-table tbody tr {
            transition: background var(--transition);
        }
        .perf-table tbody tr:hover {
            background: rgba(45, 212, 191, 0.04);
        }
        .perf-table tbody tr:last-child td {
            border-bottom: none;
        }
        .perf-table .win-rate {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary);
        }
        .perf-table .trend-up {
            color: var(--primary-alt);
            font-weight: 600;
        }
        .perf-table .trend-down {
            color: var(--accent);
            font-weight: 600;
        }

        /* Recommended Reading */
        .reading-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .reading-card {
            display: flex;
            gap: 16px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition);
            align-items: center;
        }
        .reading-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(45, 212, 191, 0.4);
        }
        .reading-card .reading-img {
            width: 100px;
            height: 68px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-light);
        }
        .reading-card .reading-info {
            flex: 1;
        }
        .reading-card .reading-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .reading-card .reading-date {
            font-size: 12px;
            color: var(--text-gray);
            font-family: var(--font-mono);
        }

        /* Mini CTA */
        .mini-cta {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--text-light);
        }
        .mini-cta .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .mini-cta .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .mini-cta .cta-text p {
            font-size: 14px;
            color: var(--text-gray);
        }
        .mini-cta .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-col .footer-logo {
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            color: var(--text-light);
        }
        .footer-col .footer-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-gray);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-gray);
        }
        .footer-legal a {
            color: var(--text-gray);
            transition: color var(--transition);
        }
        .footer-legal a:hover {
            color: var(--primary);
        }
        .footer-bottom>span {
            font-size: 13px;
            color: var(--text-gray);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .player-data-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                grid-template-columns: 1fr 1fr;
            }
            .filter-bar .filter-btn {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 17, 24, 0.98);
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border-dark);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-cta-group {
                display: none;
            }
            .nav-cta-group.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(var(--nav-height) + 280px);
                left: 20px;
                right: 20px;
                gap: 10px;
                z-index: 1001;
            }
            .nav-toggle {
                display: flex;
                flex-direction: column;
                gap: 5px;
                padding: 8px;
                cursor: pointer;
                background: transparent;
            }
            .nav-toggle span {
                width: 24px;
                height: 2px;
                background: var(--text-light);
                border-radius: 2px;
                transition: all var(--transition);
            }
            .nav-toggle.open span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .nav-toggle.open span:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle.open span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }

            .page-hero h1 {
                font-size: 28px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 20px;
            }
            .team-grid {
                grid-template-columns: 1fr;
            }
            .reading-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                grid-template-columns: 1fr;
                padding: 16px 18px;
            }
            .filter-bar .filter-btn {
                grid-column: span 1;
            }
            .mini-cta {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .mini-cta .cta-actions {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .perf-table-wrap {
                border-radius: 8px;
            }
        }

        @media (min-width: 769px) {
            .nav-toggle {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .team-card .card-stats {
                flex-wrap: wrap;
                gap: 10px;
            }
            .reading-card {
                flex-direction: column;
                text-align: center;
                padding: 14px;
            }
            .reading-card .reading-img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
            .player-data-card {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }

/* roulang page: category5 */
:root {
            --bg-dark: #0E1118;
            --bg-dark-2: #1A1F2B;
            --bg-light: #F5F7FA;
            --primary: #2DD4BF;
            --primary-alt: #00E5A0;
            --accent: #FF6B35;
            --text-dark: #0E1118;
            --text-light: #FFFFFF;
            --text-muted: #6B7280;
            --text-gray: #9CA3AF;
            --border: #E5E7EB;
            --border-dark: #2D3442;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.14);
            --shadow-glow: 0 0 0 2px rgba(45, 212, 191, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', monospace;
            --transition: 0.25s ease;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-pad {
            padding: 64px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }
        .section-white {
            background: #FFFFFF;
            color: var(--text-dark);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 12px;
            background: rgba(45, 212, 191, 0.1);
            padding: 4px 14px;
            border-radius: 16px;
        }
        .section-tag.orange {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(14, 17, 24, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: border-color var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            position: relative;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 10;
        }
        .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-alt));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .main-nav a {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(45, 212, 191, 0.1);
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            z-index: 10;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--bg-dark);
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-alt);
            border-color: var(--primary-alt);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(45, 212, 191, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-glow);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-light);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline-primary:hover {
            background: rgba(45, 212, 191, 0.08);
        }
        .nav-toggle {
            display: none;
            color: var(--text-light);
            font-size: 24px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            z-index: 10;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-dark);
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-gray);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-gray);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.25);
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Page header */
        .page-head {
            background: var(--bg-dark);
            padding: 48px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .page-head h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-light);
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }
        .page-head h1 .highlight {
            color: var(--primary);
        }
        .page-head .head-lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-gray);
            max-width: 780px;
        }

        /* Cards */
        .card-grid {
            display: grid;
            gap: 20px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(45, 212, 191, 0.4);
        }
        .card-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            background: #E5E7EB;
        }
        .card-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 10px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-gray);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }
        .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-link:hover {
            color: var(--primary-alt);
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-dark);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: rgba(45, 212, 191, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Misconception cards */
        .myth-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 18px 16px;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .myth-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 107, 53, 0.35);
        }
        .myth-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 10px;
            flex-shrink: 0;
        }
        .myth-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .myth-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* CTA banner */
        .cta-banner {
            background: var(--bg-dark-2);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid rgba(45, 212, 191, 0.2);
        }
        .cta-banner h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .cta-banner p {
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.7;
            max-width: 480px;
        }
        .cta-banner .btn-group {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }
        .cta-note {
            font-size: 12px;
            color: var(--text-gray);
            margin-top: 10px;
        }

        /* FAQ */
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(45, 212, 191, 0.4);
        }
        .faq-item.active {
            box-shadow: var(--shadow-sm);
            border-left: 3px solid var(--primary);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            background: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            transition: background var(--transition);
            border: none;
            cursor: pointer;
        }
        .faq-question:hover {
            background: rgba(45, 212, 191, 0.03);
        }
        .faq-icon {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
            font-weight: 700;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 18px;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 18px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Subscribe form */
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 480px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-dark);
            background: #FFFFFF;
            transition: all var(--transition);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .subscribe-form input::placeholder {
            color: var(--text-gray);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-gray);
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-gray);
        }
        .footer-col h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-gray);
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-gray);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-legal a {
            color: var(--text-gray);
        }
        .footer-legal a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-banner {
                padding: 30px 24px;
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-cta-group {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-dark);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                display: none;
                box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 14px;
                font-size: 15px;
            }
            .page-head h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .card-grid.cols-2,
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .cta-banner .btn-group {
                width: 100%;
                flex-direction: column;
            }
            .cta-banner .btn-group .btn {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .page-head {
                padding: 32px 0 28px;
            }
            .page-head h1 {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form .btn {
                width: 100%;
            }
        }