/* roulang page: index */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.4;
            font-weight: 700;
            color: var(--secondary);
        }
        h1 {
            font-size: 2.25rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 1.75rem;
            line-height: 1.35;
        }
        h3 {
            font-size: 1.35rem;
            line-height: 1.4;
        }
        h4 {
            font-size: 1.1rem;
            line-height: 1.45;
        }
        p {
            margin-bottom: 1em;
            max-width: 72ch;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #999;
        }
        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }
        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
        }
        .btn-post:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--secondary);
            padding: 4px;
            border-radius: var(--radius-sm);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            z-index: 1000;
            padding: 20px;
            border-bottom: 1px solid var(--border);
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow);
        }
        .mobile-menu a {
            font-size: 1rem;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            display: block;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
        }

        /* ========== SECTIONS ========== */
        section {
            padding: 60px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-xl);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 70px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-bottom: 28px;
        }
        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 10px 18px;
            border-radius: var(--radius-xl);
            font-size: 0.9rem;
            font-weight: 500;
            color: #fff;
            transition: background var(--transition), transform var(--transition);
        }
        .hero-badge:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hero-badge .badge-icon {
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .hero h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 20px;
            line-height: 1.6;
        }
        .hero .hero-qualify {
            display: inline-block;
            background: rgba(255, 255, 255, 0.08);
            border: 1px dashed rgba(255, 255, 255, 0.35);
            padding: 12px 24px;
            border-radius: var(--radius);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 500px;
            line-height: 1.5;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 30px;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 30px;
            border-radius: var(--radius);
            border: 2px solid rgba(255, 255, 255, 0.55);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline-light:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ========== SELLING POINTS ========== */
        .selling-points {
            background: #fff;
            padding: 70px 0;
        }
        .selling-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: var(--grid-gap);
            align-items: stretch;
        }
        .selling-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .selling-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .selling-card.large {
            grid-row: span 1;
            background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
            border: 2px solid var(--border-light);
            padding: 40px 32px;
        }
        .selling-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .selling-card h3 {
            font-size: 1.2rem;
            color: var(--secondary);
        }
        .selling-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .selling-card.large h3 {
            font-size: 1.4rem;
        }
        .selling-card.large p {
            font-size: 1rem;
            max-width: 100%;
        }

        /* ========== SCENE DEMO ========== */
        .scene-demo {
            background: var(--bg);
            padding: 70px 0;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scene-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        .scene-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.4s ease;
        }
        .scene-image-wrap:hover img {
            transform: scale(1.03);
        }
        .scene-text h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .scene-text p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .text-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition), color var(--transition);
        }
        .text-link:hover {
            gap: 10px;
            color: var(--primary-hover);
        }
        .text-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        /* ========== HOT TOPICS ========== */
        .hot-topics {
            background: #fff;
            padding: 70px 0;
        }
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 20px;
        }
        .topic-tag {
            display: inline-block;
            padding: 10px 20px;
            background: var(--bg);
            border-radius: var(--radius-xl);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .topic-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .topic-tag.hot {
            background: #fff5f5;
            color: var(--primary);
            border-color: rgba(200, 16, 46, 0.3);
            font-weight: 600;
        }
        .topic-tag .tag-fire {
            margin-right: 4px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background: var(--bg);
            padding: 70px 0;
        }
        .brand-intro .intro-content {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-sm);
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            gap: 32px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .brand-intro .intro-text {
            flex: 1;
            min-width: 280px;
        }
        .brand-intro .intro-text h2 {
            margin-bottom: 16px;
            font-size: 1.5rem;
        }
        .brand-intro .intro-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            max-width: 100%;
            margin-bottom: 0.8em;
        }
        .brand-intro .intro-image {
            flex: 0 0 240px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .brand-intro .intro-image img {
            width: 100%;
            height: auto;
        }

        /* ========== NEWS CENTER ========== */
        .news-center {
            background: #fff;
            padding: 70px 0;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 900px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: background var(--transition);
            border-radius: var(--radius-sm);
            padding-left: 12px;
            padding-right: 12px;
            margin: 0 -12px;
        }
        .news-item:hover {
            background: #fafafa;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
            min-width: 90px;
            padding-top: 2px;
            font-variant-numeric: tabular-nums;
            font-family: "SF Mono", "Consolas", "Monaco", monospace;
        }
        .news-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--secondary);
            transition: color var(--transition);
        }
        .news-item:hover .news-body h4 {
            color: var(--primary);
        }
        .news-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .news-body .btn-read-more {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            transition: color var(--transition);
        }
        .news-body .btn-read-more:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            padding: 70px 0;
        }
        .deep-content.alt-bg {
            background: var(--bg);
        }
        .deep-content.dark-bg {
            background: var(--secondary);
            color: #e0e0e0;
        }
        .deep-content.dark-bg h2,
        .deep-content.dark-bg h3 {
            color: #fff;
        }
        .deep-content.dark-bg p {
            color: #ccc;
        }
        .deep-grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-grid-2col .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .deep-grid-2col .deep-image img {
            width: 100%;
            height: auto;
            transition: transform 0.4s ease;
        }
        .deep-grid-2col .deep-image:hover img {
            transform: scale(1.03);
        }
        .deep-fullwidth {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }
        .deep-fullwidth h2 {
            font-size: 1.6rem;
            margin-bottom: 16px;
        }
        .deep-fullwidth p {
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 100%;
            margin: 0 auto 1em;
        }
        .deep-fullwidth.dark-bg p {
            color: #ccc;
        }
        .deep-asymmetric {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 36px;
            align-items: start;
        }
        .deep-asymmetric .deep-main {
            line-height: 1.8;
        }
        .deep-asymmetric .deep-side {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .deep-asymmetric .deep-side h4 {
            margin-bottom: 8px;
            color: var(--primary);
        }
        .deep-asymmetric .deep-side ul {
            list-style: disc;
            padding-left: 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof {
            background: #fff;
            padding: 70px 0;
        }
        .proof-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            margin-bottom: 40px;
        }
        .proof-stat {
            padding: 24px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            transition: transform var(--transition);
        }
        .proof-stat:hover {
            transform: translateY(-3px);
        }
        .proof-stat .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .proof-stat .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .proof-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            align-items: center;
            padding: 20px 0;
            opacity: 0.7;
        }
        .proof-logos img {
            height: 36px;
            width: auto;
            filter: grayscale(100%);
            transition: filter var(--transition), opacity var(--transition);
            opacity: 0.6;
        }
        .proof-logos img:hover {
            filter: grayscale(0%);
            opacity: 1;
        }
        .proof-testimonials {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 36px;
        }
        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .testimonial-card .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #ddd;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #888;
            font-size: 0.9rem;
        }
        .testimonial-card .t-nick {
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 4px;
        }
        .testimonial-card .t-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            font-style: italic;
        }

        /* ========== TIMELINE ========== */
        .agenda-timeline {
            background: #fff;
            padding: 70px 0;
        }
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-node {
            position: relative;
            margin-bottom: 32px;
            padding-left: 28px;
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--primary);
            z-index: 2;
        }
        .timeline-node .tl-time {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-node .tl-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .timeline-node .tl-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .timeline-node .tl-action {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
        }
        .timeline-node .tl-action:hover {
            text-decoration: underline;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison {
            background: var(--bg);
            padding: 70px 0;
        }
        .comp-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            min-width: 700px;
        }
        .comp-table th,
        .comp-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }
        .comp-table th {
            background: #fafafa;
            font-weight: 700;
            color: var(--secondary);
            font-size: 0.95rem;
        }
        .comp-table .col-feature {
            text-align: left;
            font-weight: 500;
            color: var(--secondary);
        }
        .comp-table .col-recommend {
            background: #fff5f5;
            position: relative;
        }
        .comp-table .col-recommend th {
            background: var(--primary);
            color: #fff;
            border-radius: 6px 6px 0 0;
        }
        .comp-table .badge-recommend {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: var(--radius-xl);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .comp-table .btn-table-cta {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.85rem;
            transition: background var(--transition);
        }
        .comp-table .btn-table-cta:hover {
            background: var(--primary-hover);
            color: #fff;
        }
        .comp-table .check-icon {
            color: #2ecc71;
            font-weight: 700;
        }
        .comp-table .dash-icon {
            color: #ccc;
        }

        /* ========== CONVERT FORM ========== */
        .convert-form-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #1a1a2e 100%);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0;
            color: #fff;
            position: relative;
        }
        .convert-form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1;
        }
        .convert-form-section .container {
            position: relative;
            z-index: 2;
        }
        .form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            max-width: 560px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
            color: var(--text);
        }
        .form-card h2 {
            text-align: center;
            margin-bottom: 8px;
            font-size: 1.5rem;
        }
        .form-card .form-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 6px;
            color: var(--secondary);
        }
        .form-group input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ccc;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fafafa;
        }
        .form-group input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
            background: #fff;
            outline: none;
        }
        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition);
            margin-top: 8px;
        }
        .form-submit-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.35);
        }
        .form-submit-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            padding: 70px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            background: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--secondary);
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #fafafa;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--primary);
            transition: transform var(--transition);
            width: 24px;
            text-align: center;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* ========== BOTTOM FIXED BAR ========== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--bottom-bar-height);
            background: #fff;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }
        .bottom-fixed-bar .bar-text {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--secondary);
        }
        .bottom-fixed-bar .btn-bar-cta {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .bottom-fixed-bar .btn-bar-cta:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.35);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #999;
            padding: 40px 0 28px;
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-col h4 {
            color: #ddd;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: #777;
        }
        .footer-bottom a {
            color: #999;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .selling-grid {
                grid-template-columns: 1fr 1fr;
            }
            .selling-card.large {
                grid-column: span 2;
            }
            .proof-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-testimonials {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-grid-2col {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-asymmetric {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-search {
                display: none;
            }
            .btn-login {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mobile-menu.open,
            .mobile-menu-overlay.open {
                display: flex;
            }
            .mobile-menu-overlay.open {
                display: block;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            section {
                padding: 40px 0;
            }
            .selling-grid {
                grid-template-columns: 1fr;
            }
            .selling-card.large {
                grid-column: span 1;
            }
            .proof-stats {
                grid-template-columns: 1fr 1fr;
            }
            .proof-testimonials {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 50px 0 40px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge {
                font-size: 0.8rem;
                padding: 8px 12px;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
                padding: 0 16px;
            }
            .bottom-fixed-bar {
                flex-direction: column;
                gap: 8px;
                height: auto;
                padding: 12px 16px;
            }
            .bottom-fixed-bar .bar-text {
                font-size: 0.85rem;
                text-align: center;
            }
            .bottom-fixed-bar .btn-bar-cta {
                width: 100%;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro .intro-content {
                flex-direction: column;
                padding: 28px 20px;
            }
            .brand-intro .intro-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 300px;
                margin: 0 auto;
            }
            .comp-table {
                min-width: 500px;
                font-size: 0.8rem;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 10px;
            }
            .timeline-node {
                padding-left: 20px;
            }
            .timeline-node::before {
                left: -22px;
                width: 10px;
                height: 10px;
            }
            .form-card {
                padding: 24px 20px;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-date {
                min-width: auto;
            }
            .deep-fullwidth h2 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero .hero-subtitle {
                font-size: 0.85rem;
            }
            .proof-stats {
                grid-template-columns: 1fr;
            }
            .proof-logos {
                gap: 16px;
            }
            .proof-logos img {
                height: 24px;
            }
            .comp-table {
                min-width: 400px;
            }
            .comp-table th,
            .comp-table td {
                padding: 10px 12px;
                font-size: 0.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
            .header-logo {
                font-size: 1rem;
            }
            .btn-post {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            font-weight: 700;
        }

        .header-logo:hover {
            color: var(--primary);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #999;
        }

        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }

        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-sm);
        }

        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            gap: 8px;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 11px 26px;
            border-radius: var(--radius);
            border: 2px solid var(--primary);
            transition: background var(--transition), color var(--transition), box-shadow var(--transition);
            gap: 8px;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-sm {
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
        }

        .section {
            padding: 60px 0;
        }

        .section-dark {
            background: var(--secondary);
            color: #fff;
        }

        .section-gray {
            background: #F0F0F0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.5;
            max-width: 640px;
        }

        .text-center {
            text-align: center;
        }

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 12px;
        }

        .card-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 100px;
            white-space: nowrap;
        }

        .badge-red {
            background: var(--primary-light);
            color: var(--primary);
        }

        .tag {
            display: inline-block;
            background: #F2F2F2;
            color: var(--text-secondary);
            font-size: 0.78rem;
            padding: 4px 12px;
            border-radius: 100px;
            white-space: nowrap;
            transition: background var(--transition), color var(--transition);
        }

        .tag:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--grid-gap);
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }

        .hero-category {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--secondary);
            overflow: hidden;
            padding: 50px 0;
        }

        .hero-category .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }

        .hero-category .hero-overlay {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-category .hero-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .hero-category .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 28px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .process-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }

        .stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F2F2F2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            transition: background var(--transition), color var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .cta-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
            color: #fff;
            padding: 50px 0;
            text-align: center;
            border-radius: var(--radius-lg);
            margin: 0 16px;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--bottom-bar-height);
            background: #fff;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -1px 8px rgba(0, 0, 0, 0.06);
        }

        .bottom-bar .bar-text {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--secondary);
            white-space: nowrap;
        }

        .bottom-bar .btn-primary {
            padding: 10px 24px;
            font-size: 0.9rem;
            border-radius: var(--radius-xl);
        }

        .review-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .review-detail .detail-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .review-detail .detail-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .review-detail .detail-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .review-detail .detail-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .score-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .score-bar .score-label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text);
            width: 56px;
            flex-shrink: 0;
        }

        .score-bar .score-track {
            flex: 1;
            height: 8px;
            background: #E8E8E8;
            border-radius: 4px;
            overflow: hidden;
        }

        .score-bar .score-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--primary);
            transition: width 0.6s ease;
        }

        .score-bar .score-val {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            width: 32px;
            text-align: right;
            flex-shrink: 0;
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border-left: 3px solid var(--primary);
            transition: box-shadow var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .tst-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.6;
            margin-bottom: 12px;
            font-style: italic;
        }

        .testimonial-card .tst-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
        }

        .testimonial-card .tst-role {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 48px 0 32px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .site-footer .footer-col a {
            display: block;
            color: #999;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .site-footer .footer-col a:hover {
            color: var(--primary);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
            justify-content: space-between;
        }

        .site-footer .footer-links {
            display: flex;
            gap: 16px;
        }

        .site-footer .footer-links a {
            color: #888;
            font-size: 0.8rem;
        }

        .site-footer .footer-links a:hover {
            color: var(--primary);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--secondary);
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 1024px) {
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.82rem;
            }
            .header-search input {
                width: 100px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-detail {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-category .hero-title {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 12px;
                box-shadow: var(--shadow);
                border-bottom: 1px solid var(--border);
                z-index: 999;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 8px 0;
                border-bottom: none;
                font-size: 1rem;
            }
            .header-nav a.active {
                border-bottom: none;
                font-weight: 700;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .btn-post {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .hero-category {
                min-height: 280px;
                padding: 36px 0;
            }
            .hero-category .hero-title {
                font-size: 1.6rem;
            }
            .hero-category .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 8px;
                height: auto;
                padding: 12px 16px;
                text-align: center;
            }
            .bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section {
                margin: 0 8px;
                padding: 36px 16px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .review-detail .detail-content h3 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .hero-category .hero-title {
                font-size: 1.35rem;
            }
            .header-logo {
                font-size: 1rem;
            }
            .header-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
            }
            .btn-primary {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .btn-outline {
                padding: 9px 18px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #999;
        }
        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }
        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-sm);
        }
        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--text-secondary);
            padding: 4px;
            border-radius: var(--radius-sm);
            transition: color var(--transition);
        }
        .hamburger:hover {
            color: var(--primary);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition);
        }
        .mobile-nav-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav-panel {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            width: 280px;
            bottom: 0;
            background: #fff;
            z-index: 1001;
            padding: 20px;
            transform: translateX(-100%);
            transition: transform var(--transition);
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
        }
        .mobile-nav-panel.active {
            transform: translateX(0);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius);
            margin-bottom: 4px;
            transition: background var(--transition), color var(--transition);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ========== CATEGORY HERO ========== */
        .cat-hero {
            position: relative;
            width: 100%;
            min-height: 480px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.82) 0%, rgba(200, 16, 46, 0.55) 100%);
            z-index: 1;
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 40px 20px;
            max-width: 800px;
        }
        .cat-hero-play {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            border: 3px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 28px;
            margin-bottom: 20px;
            cursor: pointer;
            transition: all var(--transition);
            animation: pulse-ring 2.4s ease-out infinite;
        }
        .cat-hero-play:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: #fff;
            transform: scale(1.06);
        }
        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45);
            }
            70% {
                box-shadow: 0 0 0 28px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }
        .cat-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .cat-hero p {
            font-size: 1.15rem;
            line-height: 1.7;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }
        .cat-hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius);
            transition: all var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-light:focus {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 60px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-light {
            background: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 8px;
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-xl);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 640px;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== QUICK ENTRY CARDS ========== */
        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }
        .quick-entry-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .quick-entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .quick-entry-card .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: var(--primary-light);
            color: var(--primary);
        }
        .quick-entry-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .quick-entry-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== LIVE MATCH ROW ========== */
        .live-match-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }
        .live-match-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border-left: 4px solid var(--primary);
        }
        .live-match-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .live-match-card .match-header {
            padding: 14px 18px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .live-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 3px 10px;
            border-radius: var(--radius-xl);
            font-size: 0.75rem;
            font-weight: 700;
            animation: live-pulse 1.6s ease-in-out infinite;
        }
        @keyframes live-pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        .live-match-card .match-body {
            padding: 18px;
        }
        .live-match-card .match-teams {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .live-match-card .match-score {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin: 6px 0;
        }
        .live-match-card .match-info {
            font-size: 0.8rem;
            color: var(--text-secondary);
            text-align: center;
        }

        /* ========== DEEP ANALYSIS ========== */
        .deep-analysis-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-analysis-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .deep-analysis-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .deep-analysis-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .deep-analysis-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            transition: gap var(--transition);
        }
        .btn-text:hover {
            gap: 10px;
            color: var(--primary-hover);
        }
        .btn-text::after {
            content: '→';
            font-size: 1.1rem;
        }

        /* ========== SCHEDULE TABLE ========== */
        .schedule-list {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .schedule-item {
            display: flex;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
            gap: 16px;
            transition: background var(--transition);
        }
        .schedule-item:last-child {
            border-bottom: none;
        }
        .schedule-item:hover {
            background: #fafafa;
        }
        .schedule-date {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            min-width: 90px;
            text-align: center;
            background: var(--primary-light);
            padding: 8px 12px;
            border-radius: var(--radius);
            flex-shrink: 0;
        }
        .schedule-matchup {
            flex: 1;
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
        }
        .schedule-league {
            font-size: 0.8rem;
            color: var(--text-light);
            background: #f5f5f5;
            padding: 4px 10px;
            border-radius: var(--radius-xl);
            flex-shrink: 0;
        }
        .schedule-status {
            font-size: 0.85rem;
            font-weight: 600;
            flex-shrink: 0;
            min-width: 70px;
            text-align: right;
        }
        .status-upcoming {
            color: var(--accent);
        }
        .status-live {
            color: var(--primary);
        }

        /* ========== STATS PANEL ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== HIGHLIGHT CARDS ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }
        .highlight-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .highlight-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .highlight-card .card-body {
            padding: 18px;
        }
        .highlight-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 3px 10px;
            border-radius: var(--radius-xl);
            margin-bottom: 8px;
        }
        .highlight-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .highlight-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== CTA STRIP ========== */
        .cta-strip {
            background: linear-gradient(135deg, var(--primary) 0%, #A00D25 100%);
            color: #fff;
            padding: 48px 0;
            text-align: center;
            border-radius: var(--radius-lg);
            margin: 40px 0;
        }
        .cta-strip h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-strip p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-strip .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius);
            transition: all var(--transition);
        }
        .cta-strip .btn-white:hover {
            background: #f0f0f0;
            box-shadow: var(--shadow);
            transform: translateY(-2px);
            color: var(--primary-hover);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 16px 20px;
            background: transparent;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            transition: all var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            height: var(--bottom-bar-height);
            background: #fff;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -1px 8px rgba(0, 0, 0, 0.06);
        }
        .bottom-bar span {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--secondary);
        }
        .bottom-bar .btn-primary {
            padding: 10px 24px;
            font-size: 0.9rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 48px 0 24px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            font-size: 0.8rem;
            color: #777;
            justify-content: center;
            text-align: center;
        }
        .footer-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-links a {
            color: #999;
            font-size: 0.8rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-match-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-analysis-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.85rem;
            }
            .header-search input {
                width: 100px;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-search {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-actions {
                gap: 8px;
            }
            .cat-hero {
                min-height: 380px;
            }
            .cat-hero h1 {
                font-size: 1.8rem;
            }
            .cat-hero p {
                font-size: 0.95rem;
            }
            .quick-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .live-match-row {
                grid-template-columns: 1fr;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 12px 14px;
            }
            .schedule-date {
                min-width: auto;
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 6px;
                height: auto;
                padding: 10px 16px;
                text-align: center;
            }
            .bottom-bar span {
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .cat-hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .cta-strip {
                margin: 20px 0;
                padding: 32px 16px;
                border-radius: var(--radius);
            }
            .cta-strip h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .quick-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .quick-entry-card {
                padding: 16px 12px;
            }
            .quick-entry-card h4 {
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .cat-hero {
                min-height: 320px;
            }
            .cat-hero h1 {
                font-size: 1.5rem;
            }
            .cat-hero-play {
                width: 56px;
                height: 56px;
                font-size: 22px;
            }
            .highlight-card img {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --primary-light-bg: rgba(200, 16, 46, 0.04);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            font-weight: 700;
        }

        .header-logo:hover {
            color: var(--primary);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #999;
        }

        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }

        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
        }

        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius);
            border: 2px solid var(--primary);
            transition: background var(--transition), color var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .btn-outline:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-sm {
            font-size: 0.85rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: var(--radius-lg);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 36px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 640px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-title {
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(15, 52, 96, 0.85) 100%);
            z-index: 1;
        }

        .hero-category .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-category .hero-text {
            flex: 1;
            min-width: 300px;
            color: #fff;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-xl);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .hero-category h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-category h1 .highlight {
            color: var(--accent);
        }

        .hero-category .hero-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-category .hero-stats {
            display: flex;
            gap: 28px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-category .hero-stat {
            text-align: left;
        }

        .hero-category .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .hero-category .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .hero-category .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-category .hero-card {
            flex: 0 0 380px;
            max-width: 420px;
            min-width: 300px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            color: var(--text);
        }

        .hero-category .hero-card .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
        }

        .hero-category .hero-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .hero-category .hero-card .card-meta {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 14px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-category .hero-card .card-preview {
            background: #F9F9F9;
            border-radius: var(--radius);
            padding: 14px 16px;
            margin-bottom: 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            border-left: 3px solid var(--accent);
            font-style: italic;
        }

        .hero-category .hero-card .card-preview .preview-author {
            font-style: normal;
            font-weight: 600;
            color: var(--text);
            font-size: 0.85rem;
            margin-top: 6px;
        }

        /* ========== TOPIC CARDS GRID ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }

        .topic-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .topic-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .topic-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
        }

        .topic-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .topic-card .card-body .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .topic-card .card-body .card-stats {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .topic-card .card-body .card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== DATA STRIP ========== */
        .data-strip {
            background: var(--secondary);
            padding: 40px 0;
            color: #fff;
        }

        .data-strip .strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .data-strip .strip-item .strip-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .data-strip .strip-item .strip-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content.reverse {
            direction: rtl;
        }

        .deep-content.reverse>* {
            direction: ltr;
        }

        .deep-content .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 380px;
            background-size: cover;
            background-position: center;
        }

        .deep-content .deep-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content .deep-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            max-width: 72ch;
        }

        .deep-content .deep-text .deep-highlight {
            background: var(--accent-light);
            padding: 14px 18px;
            border-radius: var(--radius);
            border-left: 3px solid var(--accent);
            font-weight: 500;
            color: var(--text);
            margin: 16px 0;
            line-height: 1.6;
        }

        /* ========== USER VOICES ========== */
        .voices-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }

        .voice-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .voice-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .voice-card .voice-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .voice-card .voice-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .voice-card .voice-info .voice-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--secondary);
        }

        .voice-card .voice-info .voice-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .voice-card .voice-quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            position: relative;
            padding-left: 16px;
            border-left: 2px solid var(--accent);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary);
            transition: background var(--transition), transform var(--transition);
            font-weight: 700;
        }

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #C8102E 0%, #A00D25 50%, #8B0A1E 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-section .btn-cta-white {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .cta-section .btn-cta-white:hover {
            background: #f0f0f0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            transform: translateY(-1px);
            color: var(--primary);
        }

        .cta-section .btn-cta-outline {
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius);
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: background var(--transition), border-color var(--transition);
        }

        .cta-section .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            color: #999;
            font-size: 0.8rem;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.85rem;
            }
            .header-search input {
                width: 100px;
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .voices-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-category .hero-card {
                flex: 0 0 320px;
                max-width: 360px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-content .deep-image {
                height: 280px;
            }
            .data-strip .strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 10px 0;
                border-bottom: none;
                font-size: 1rem;
                width: 100%;
            }
            .header-nav a.active {
                border-bottom: none;
                background: var(--primary-light);
                border-radius: var(--radius);
                padding: 10px 14px;
            }
            .hamburger-btn {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-search.mobile-open {
                display: flex;
                position: fixed;
                top: calc(var(--nav-height) + 200px);
                left: 16px;
                right: 16px;
                z-index: 1000;
                background: #fff;
                box-shadow: var(--shadow);
            }
            .btn-login {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .btn-post {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
            .hero-category {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-category .container {
                flex-direction: column;
                gap: 28px;
            }
            .hero-category .hero-card {
                flex: 1 1 auto;
                max-width: 100%;
                min-width: auto;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category .hero-stats {
                gap: 16px;
            }
            .hero-category .hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .voices-grid {
                grid-template-columns: 1fr;
            }
            .data-strip .strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .data-strip .strip-item .strip-num {
                font-size: 1.8rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .deep-content .deep-image {
                height: 220px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1rem;
            }
            .header-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
            }
            .hero-category h1 {
                font-size: 1.35rem;
            }
            .hero-category .hero-desc {
                font-size: 0.95rem;
            }
            .hero-category .hero-card {
                padding: 18px;
            }
            .hero-category .hero-card h3 {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .data-strip .strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .cta-section .btn-cta-white,
            .cta-section .btn-cta-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .cta-section .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-category .hero-actions .btn-primary,
            .hero-category .hero-actions .btn-outline {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: var(--primary);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #999;
        }

        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }

        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
        }

        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--text-secondary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 40%, #1A1A1A 100%);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 60px;
            text-align: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero .cat-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat {
            text-align: center;
            color: #fff;
        }

        .category-hero .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .category-hero .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 60px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark {
            background: var(--secondary);
            color: #fff;
        }

        .section-dark h2 {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .section-accent-bg {
            background: #FDF8F8;
        }

        /* ========== VIDEO CARDS GRID ========== */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }

        .video-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }

        .video-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .video-card .video-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e0e0e0;
        }

        .video-card .video-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .video-card:hover .video-thumb img {
            transform: scale(1.05);
        }

        .video-card .play-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .video-card:hover .play-overlay {
            opacity: 1;
        }

        .video-card .play-icon {
            width: 52px;
            height: 52px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .video-card .duration-badge {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 500;
        }

        .video-card .video-info {
            padding: 16px;
        }

        .video-card .video-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .video-card .video-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .video-card .video-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== FEATURED VIDEO LARGE ========== */
        .featured-video-wrap {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: var(--grid-gap);
            align-items: start;
        }

        .featured-main {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .featured-main .video-thumb-large {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e0e0e0;
        }

        .featured-main .video-thumb-large img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-main .featured-info {
            padding: 24px;
        }

        .featured-main .featured-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-main .featured-info p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .featured-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-sidebar .sidebar-video-card {
            display: flex;
            gap: 12px;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 10px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }

        .featured-sidebar .sidebar-video-card:hover {
            transform: translateX(3px);
            box-shadow: var(--shadow-hover);
        }

        .featured-sidebar .sidebar-thumb {
            width: 120px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #e0e0e0;
        }

        .featured-sidebar .sidebar-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-sidebar .sidebar-info h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--secondary);
            line-height: 1.35;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-sidebar .sidebar-info .sidebar-meta {
            font-size: 0.75rem;
            color: var(--text-light);
        }

        /* ========== TAG FILTER ========== */
        .tag-filter-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 32px;
        }

        .tag-filter {
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            font-size: 0.9rem;
            font-weight: 500;
            background: #fff;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .tag-filter:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .tag-filter.active-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content-block.reverse {
            direction: rtl;
        }

        .deep-content-block.reverse>* {
            direction: ltr;
        }

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .deep-content-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }

        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: block;
        }

        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F2F2F2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #C8102E 0%, #A00D25 100%);
            padding: 50px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta {
            display: inline-block;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: var(--radius);
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .btn-cta:hover {
            background: #fff;
            color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            font-weight: 600;
            font-size: 1rem;
            padding: 11px 30px;
            border-radius: var(--radius);
            margin-left: 12px;
            transition: all var(--transition);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-col p {
            color: #999;
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: #777;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            color: #777;
            font-size: 0.8rem;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius);
            transition: all var(--transition);
            font-size: 0.9rem;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
        }

        .btn-secondary {
            display: inline-block;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius);
            transition: all var(--transition);
            font-size: 0.9rem;
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition);
        }

        .btn-text:hover {
            gap: 8px;
            color: var(--primary-hover);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-video-wrap {
                grid-template-columns: 1fr;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content-block.reverse {
                direction: ltr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.85rem;
            }
            .header-search input {
                width: 100px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 0;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                border-bottom: none;
                border-left: 3px solid transparent;
                width: 100%;
                font-size: 0.95rem;
            }
            .header-nav a.active {
                border-left-color: var(--primary);
                border-bottom: none;
                background: var(--primary-light);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-actions .btn-login {
                display: none;
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
            .featured-sidebar .sidebar-video-card {
                flex-direction: column;
            }
            .featured-sidebar .sidebar-thumb {
                width: 100%;
                height: 140px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-hero {
                padding: 50px 0 36px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .tag-filter-wrap {
                gap: 6px;
            }
            .tag-filter {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-outline-light {
                display: block;
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            body {
                padding-bottom: 0;
            }
        }

        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr;
            }
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 14px;
            }
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .featured-main .featured-info {
                padding: 16px;
            }
            .featured-main .featured-info h3 {
                font-size: 1.1rem;
            }
            .video-card .video-info {
                padding: 12px;
            }
            .video-card .video-title {
                font-size: 0.9rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --primary-light2: rgba(200, 16, 46, 0.15);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --accent-light2: rgba(255, 107, 53, 0.2);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #999;
        }
        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }
        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
        }
        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--secondary);
            padding: 4px;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 27px;
            border-radius: var(--radius);
            border: 2px solid var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-sm {
            font-size: 0.85rem;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #e55a2b;
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        /* ========== SECTION ========== */
        .section {
            padding: 60px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-gray {
            background: #f4f4f4;
        }
        .section-white {
            background: #fff;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 680px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-title {
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-body {
            padding: 20px;
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== GRID ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--grid-gap);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }
        .grid-asymmetric {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: var(--grid-gap);
        }
        .grid-asymmetric-reverse {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: var(--grid-gap);
        }

        /* ========== HERO ========== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--secondary);
            overflow: hidden;
            padding: 60px 0;
        }
        .hero-banner .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .hero-banner .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(200, 16, 46, 0.55) 100%);
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            color: #fff;
        }
        .hero-banner .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-banner .hero-content p {
            font-size: 1.15rem;
            line-height: 1.7;
            opacity: 0.9;
            margin-bottom: 28px;
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-banner .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-xl);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        /* ========== STAT CARDS ========== */
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border-left: 4px solid transparent;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-left-color: var(--primary);
        }
        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-card .stat-value {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-detail {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ========== DATA TABLE ========== */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.9rem;
            min-width: 700px;
        }
        .data-table thead {
            background: var(--secondary);
            color: #fff;
        }
        .data-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            white-space: nowrap;
        }
        .data-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }
        .data-table tbody tr:hover {
            background: #fafafa;
        }
        .data-table .highlight-cell {
            font-weight: 700;
            color: var(--primary);
        }
        .data-table .player-name-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }
        .data-table .player-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #e0e0e0;
            flex-shrink: 0;
            object-fit: cover;
        }

        /* ========== COMPARISON ========== */
        .comparison-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .comparison-player {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }
        .comparison-player .cp-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #e8e8e8;
            margin: 0 auto 12px;
            object-fit: cover;
        }
        .comparison-player .cp-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
        }
        .comparison-player .cp-stat {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
        }
        .comparison-divider {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: #fff;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            text-align: left;
            transition: color var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--text-light);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2a1a1d 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            border-radius: 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-section .btn-primary {
            background: #fff;
            color: var(--primary);
            font-size: 1.05rem;
            padding: 16px 36px;
            border-radius: var(--radius);
        }
        .cta-section .btn-primary:hover {
            background: #f0f0f0;
            color: var(--primary-hover);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: #aaa;
            padding: 4px 0;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #888;
            text-align: center;
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-links a {
            color: #aaa;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.85rem;
            }
            .header-search input {
                width: 100px;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-asymmetric,
            .grid-asymmetric-reverse {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-banner .hero-content h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 10px 0;
                border-bottom: none;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-actions .btn-login {
                display: none;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .hero-banner {
                min-height: 320px;
                padding: 40px 0;
            }
            .hero-banner .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-content p {
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .comparison-vs {
                flex-direction: column;
                gap: 16px;
            }
            .comparison-divider {
                transform: rotate(90deg);
            }
            .data-table-wrap {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .hero-banner .hero-content h1 {
                font-size: 1.35rem;
            }
            .hero-banner .hero-buttons {
                flex-direction: column;
            }
            .hero-banner .hero-buttons .btn-primary,
            .hero-banner .hero-buttons .btn-outline {
                width: 100%;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .stat-card .stat-value {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: #999;
        }
        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }
        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }
        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-login:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Mobile nav toggle */
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--text-secondary);
            padding: 4px;
            border-radius: var(--radius-sm);
            transition: color var(--transition);
        }
        .mobile-menu-toggle:hover {
            color: var(--primary);
        }

        /* ========== HERO ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 40%, #1A1A1A 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            padding: 60px 20px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 26, 0.65);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-xl);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }
        .category-hero .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: var(--radius);
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-light:focus {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 60px 0;
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-light {
            background: #fff;
        }
        .section-bg {
            background: var(--bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== VALUE PROPS ========== */
        .value-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr 1fr;
            gap: var(--grid-gap);
            align-items: start;
        }
        .value-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .value-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .value-card.featured {
            grid-row: span 1;
            padding: 40px 28px;
            border: 2px solid var(--primary);
            box-shadow: var(--shadow);
            position: relative;
        }
        .value-card.featured::before {
            content: '热门';
            position: absolute;
            top: 12px;
            right: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }
        .value-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: var(--primary-light);
            color: var(--primary);
        }
        .value-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .value-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FEATURED ARTICLES ========== */
        .featured-articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--grid-gap);
        }
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .article-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }
        .article-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 14px;
        }
        .article-card .article-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .article-card .read-more {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .article-card .read-more:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        /* ========== AUTHORS ========== */
        .authors-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }
        .author-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid var(--border-light);
        }
        .author-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .author-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 12px;
            border: 3px solid var(--primary-light);
        }
        .author-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .author-card .author-role {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .author-card .author-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* ========== DATA INSIGHT ========== */
        .insight-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .insight-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .insight-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .insight-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }
        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.6;
            margin-bottom: 14px;
            font-style: italic;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--primary);
        }
        .testimonial-card .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
        }
        .testimonial-card .user-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--secondary);
        }
        .testimonial-card .user-title {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 1.3rem;
            color: var(--text-light);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #C8102E 0%, #A00D25 100%);
            padding: 50px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 15px 36px;
            border-radius: var(--radius);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .cta-section .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: var(--primary);
        }
        .cta-section .btn-cta-large:focus {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--bottom-bar-height);
            background: #fff;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }
        .bottom-bar .bar-text {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--secondary);
        }
        .bottom-bar .btn-bar-cta {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .bottom-bar .btn-bar-cta:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            color: #fff;
        }
        .bottom-bar .btn-bar-cta:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 40px 0 20px;
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
        }
        .footer-links a {
            color: #888;
            font-size: 0.8rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.85rem;
            }
            .header-search input {
                width: 100px;
            }
            .value-grid {
                grid-template-columns: 1fr 1fr;
            }
            .value-card.featured {
                grid-column: span 2;
            }
            .featured-articles-grid {
                grid-template-columns: 1fr 1fr;
            }
            .authors-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 10px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .header-nav.mobile-open {
                display: flex;
            }
            .header-nav a {
                padding: 10px 0;
                border-bottom: none;
                font-size: 1rem;
                width: 100%;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-search {
                display: none;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-subtitle {
                font-size: 1rem;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .value-card.featured {
                grid-column: span 1;
            }
            .featured-articles-grid {
                grid-template-columns: 1fr;
            }
            .authors-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .insight-stats {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                height: auto;
                text-align: center;
            }
            .bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                min-height: 320px;
                padding: 40px 16px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .authors-grid {
                grid-template-columns: 1fr;
            }
            .insight-stats {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-links {
                margin-left: 0;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #C8102E;
            --primary-hover: #A00D25;
            --primary-light: rgba(200, 16, 46, 0.08);
            --secondary: #1A1A1A;
            --accent: #FF6B35;
            --accent-light: rgba(255, 107, 53, 0.1);
            --bg: #F9F9F9;
            --card-bg: #FFFFFF;
            --text: #333333;
            --text-secondary: #666666;
            --text-light: #999999;
            --border: #E5E5E5;
            --border-light: #F0F0F0;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --bottom-bar-height: 64px;
            --grid-gap: 24px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            padding-bottom: var(--bottom-bar-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #fff;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--secondary);
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: var(--primary);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .header-nav a:hover,
        .header-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: #F2F2F2;
            border-radius: var(--radius-xl);
            padding: 7px 14px;
            gap: 8px;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .header-search input {
            background: transparent;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #999;
        }

        .header-search .search-icon {
            color: #999;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius);
            transition: color var(--transition), background var(--transition);
        }

        .btn-login:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-post {
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-xl);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-post:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
        }

        .btn-post:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius);
            cursor: pointer;
            z-index: 1001;
        }

        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 280px;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 8px;
            transform: translateX(100%);
            transition: transform var(--transition);
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius);
            transition: background var(--transition), color var(--transition);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-dark {
            background: var(--secondary);
            color: #fff;
        }

        .section-accent-bg {
            background: var(--accent-light);
        }

        .section-primary-bg {
            background: var(--primary-light);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.5;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
            color: #fff;
        }

        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .btn-outline:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #e55a2a;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
            color: #fff;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .card-body {
            padding: 20px;
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .badge {
            display: inline-block;
            padding: 4px 10px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: var(--radius-xl);
            white-space: nowrap;
        }

        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-accent {
            background: var(--accent-light);
            color: var(--accent);
        }

        .badge-hot {
            background: #FFF0F0;
            color: #D63031;
        }

        .badge-new {
            background: #E8F5E9;
            color: #2E7D32;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 20px;
        }

        .hero-inner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .hero-inner .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--grid-gap);
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
        }

        .activity-timeline {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .activity-item {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            align-items: flex-start;
        }

        .activity-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .activity-date-badge {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            text-align: center;
        }

        .activity-date-badge .day {
            font-size: 1.5rem;
            line-height: 1;
        }

        .activity-date-badge .month {
            font-size: 0.8rem;
            line-height: 1;
        }

        .activity-info {
            flex: 1;
        }

        .activity-info h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .activity-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .activity-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--bottom-bar-height);
            background: #fff;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }

        .bottom-bar .bottom-text {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
        }

        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 40px 0 20px;
            margin-bottom: var(--bottom-bar-height);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-col p {
            color: #999;
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #777;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            color: #999;
            font-size: 0.8rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            flex: 1;
            min-width: 140px;
            padding: 20px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .section-dark .stat-number {
            color: var(--accent);
        }

        .section-dark .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        .reward-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            border: 2px solid transparent;
        }

        .reward-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }

        .reward-card .reward-icon {
            width: 56px;
            height: 56px;
            background: var(--accent-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.6rem;
            color: var(--accent);
        }

        .reward-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .reward-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .steps-flow {
            display: flex;
            gap: 0;
            align-items: stretch;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin: 8px;
        }

        .step-number {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: box-shadow var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #E0E0E0;
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--text-secondary);
            font-size: 1.2rem;
        }

        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            font-style: italic;
            margin-bottom: 8px;
        }

        .testimonial-card .name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
        }

        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header-nav {
                gap: 16px;
            }
            .header-nav a {
                font-size: 0.85rem;
            }
            .header-search input {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-search {
                display: none;
            }
            .btn-login {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .hero-inner h1 {
                font-size: 1.8rem;
            }
            .hero-inner .hero-subtitle {
                font-size: 1rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .activity-item {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .activity-date-badge {
                width: 52px;
                height: 52px;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 8px;
                height: auto;
                padding: 12px 16px;
                text-align: center;
            }
            .bottom-bar .bottom-text {
                font-size: 0.85rem;
            }
            .stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .steps-flow {
                flex-direction: column;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .hero-cta-group .btn {
                width: 100%;
                max-width: 280px;
            }
            body {
                padding-bottom: 100px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .header-logo {
                font-size: 1rem;
            }
            .btn-post {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .hero-inner {
                padding: 40px 12px;
            }
            .hero-inner h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-body {
                padding: 14px;
            }
        }
