/* roulang page: index */
:root {
            --brand-gradient: linear-gradient(135deg, #6B2E8F 0%, #D4145A 50%, #FF6B35 100%);
            --brand-purple: #A855F7;
            --brand-orange: #FB923C;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --text-primary: #1F2937;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --border-color: #E5E7EB;
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-brand: 0 6px 20px rgba(107,46,143,0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 24px;
        }
        
        * {
            box-sizing: border-box;
        }
        
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-secondary);
            background: var(--bg-light);
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.2s;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input {
            font-family: inherit;
        }
        
        .top-bar {
            background: var(--bg-white);
            height: 64px;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 999;
            padding: 0 24px;
        }
        
        .top-bar-container {
            max-width: 1280px;
            margin: 0 auto;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--brand-gradient);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
        }
        
        .nav-menu {
            display: flex;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .nav-menu a {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--brand-purple);
            border-bottom-color: var(--brand-purple);
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .search-box {
            position: relative;
        }
        
        .search-box input {
            width: 240px;
            height: 40px;
            padding: 10px 16px 10px 40px;
            background: var(--bg-light);
            border: 1px solid transparent;
            border-radius: var(--radius-xl);
            font-size: 0.875rem;
            transition: all 0.2s;
        }
        
        .search-box input:focus {
            outline: none;
            background: white;
            border-color: var(--brand-purple);
            box-shadow: 0 0 0 3px rgba(168,85,247,0.1);
        }
        
        .search-box i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
        }
        
        .btn {
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9375rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-primary {
            background: var(--brand-gradient);
            background-size: 200% 100%;
            color: white;
            box-shadow: var(--shadow-brand);
        }
        
        .btn-primary:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 28px rgba(107,46,143,0.4);
            background-position: 100% 0;
        }
        
        .btn-secondary {
            background: white;
            color: var(--brand-purple);
            border: 2px solid var(--brand-purple);
        }
        
        .btn-secondary:hover {
            background: rgba(168,85,247,0.05);
        }
        
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #F8F9FA 0%, #E5E7EB 100%);
            padding: 80px 24px;
            position: relative;
        }
        
        .hero-container {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 60px;
            align-items: center;
        }
        
        .hero-left h1 {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 24px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-left p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            line-height: 1.8;
        }
        
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .group-status {
            background: white;
            padding: 16px 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            margin-top: 24px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }
        
        .group-status .icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #FFE4E1, #FFB6C1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }
        
        .group-status .text {
            flex: 1;
        }
        
        .group-status .text strong {
            display: block;
            font-size: 1.125rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        
        .group-status .text span {
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        
        .hero-right {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        
        .category-card {
            background: white;
            padding: 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all 0.3s;
            cursor: pointer;
            position: relative;
        }
        
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        
        .category-card .icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(168,85,247,0.1), rgba(212,20,90,0.1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        
        .category-card .icon i {
            font-size: 28px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .category-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        
        .category-card .count {
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        
        .category-card .badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--brand-gradient);
            color: white;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
        }
        
        .scroll-hint {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            animation: bounce 2s infinite;
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-10px);
            }
            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }
        
        .section {
            padding: 80px 24px;
            max-width: 1280px;
            margin: 0 auto;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px;
        }
        
        .section-header p {
            font-size: 1.125rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .news-section {
            background: white;
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }
        
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .news-item:hover {
            background: white;
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        
        .news-item .thumb {
            width: 180px;
            height: 120px;
            background: linear-gradient(135deg, #E5E7EB, #D1D5DB);
            border-radius: var(--radius-md);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: var(--text-muted);
        }
        
        .news-item .content {
            flex: 1;
        }
        
        .news-item h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        
        .news-item p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            margin: 0 0 12px;
            line-height: 1.6;
        }
        
        .news-item .meta {
            display: flex;
            gap: 16px;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        
        .news-item .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .sidebar-card {
            background: var(--bg-light);
            padding: 24px;
            border-radius: var(--radius-lg);
        }
        
        .sidebar-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--brand-purple);
        }
        
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .sidebar-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px;
            background: white;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            transition: all 0.2s;
        }
        
        .sidebar-list a:hover {
            background: var(--brand-purple);
            color: white;
            transform: translateX(4px);
        }
        
        .sidebar-list .badge-hot {
            background: var(--brand-gradient);
            color: white;
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
        }
        
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        
        .service-card {
            background: white;
            padding: 40px 32px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: all 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        
        .service-card .number {
            width: 64px;
            height: 64px;
            background: var(--brand-gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 auto 24px;
        }
        
        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 16px;
        }
        
        .service-card p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        
        .app-section {
            background: linear-gradient(135deg, #2D1B3D, #4A1942);
            color: white;
        }
        
        .app-section .section-header h2,
        .app-section .section-header p {
            color: white;
        }
        
        .app-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        
        .app-features {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .app-feature {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(10px);
        }
        
        .app-feature .icon {
            width: 56px;
            height: 56px;
            background: rgba(168,85,247,0.2);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .app-feature .icon i {
            font-size: 28px;
            color: var(--brand-orange);
        }
        
        .app-feature h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin: 0 0 8px;
        }
        
        .app-feature p {
            font-size: 0.9375rem;
            margin: 0;
            opacity: 0.9;
        }
        
        .app-download {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
        }
        
        .qr-code {
            width: 200px;
            height: 200px;
            background: white;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 120px;
            color: var(--text-muted);
        }
        
        .download-buttons {
            display: flex;
            gap: 16px;
        }
        
        .download-btn {
            padding: 12px 24px;
            background: white;
            color: var(--text-primary);
            border-radius: var(--radius-md);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s;
        }
        
        .download-btn:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-lg);
        }
        
        .download-btn i {
            font-size: 24px;
        }
        
        .faq-section {
            background: var(--bg-light);
        }
        
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .faq-item {
            background: white;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        
        .faq-question {
            padding: 24px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            transition: all 0.2s;
        }
        
        .faq-question:hover{
            background: var(--bg-light);
        }
        
        .faq-question i {
            font-size: 20px;
            color: var(--brand-purple);
            transition: transform 0.3s;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        
        .faq-answer-content {
            padding: 0 28px 24px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        
        .about-section {
            background: white;
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 40% 60%;
            gap: 60px;
            align-items: center;
        }
        
        .stats-group {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .stat-card {
            background: var(--bg-light);
            padding: 32px;
            border-radius: var(--radius-lg);
            text-align: center;
        }
        
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 700;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin: 0 0 8px;
        }
        
        .stat-card .label {
            font-size: 1rem;
            color: var(--text-muted);
        }
        
        .testimonials {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .testimonial {
            background: var(--bg-light);
            padding: 24px;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--brand-purple);
        }
        
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            background: var(--brand-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
        }
        
        .testimonial-name {
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .testimonial-text {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 24px 24px;
        }
        
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 40px;
        }
        
        .footer-brand h3 {
            font-size: 1.25rem;
            color: white;
            margin: 0 0 16px;
        }
        
        .footer-brand p {
            font-size: 0.9375rem;
            line-height: 1.6;
            margin: 0;
        }
        
        .footer-links h4 {
            font-size: 1.125rem;
            color: white;
            margin: 0 0 20px;
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .footer-links a {
            font-size: 0.9375rem;
            transition: all 0.2s;
        }
        
        .footer-links a:hover {
            color: var(--brand-purple);
            padding-left: 4px;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.875rem;
            color: rgba(255,255,255,0.6);
        }
        
        .floating-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 1000;
            padding: 14px 32px;
            background: var(--brand-gradient);
            background-size: 200% 100%;
            color: white;
            border-radius: var(--radius-pill);
            font-weight: 600;
            box-shadow: var(--shadow-brand);
            transition: all 0.3s;
        }
        
        .floating-cta:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 28px rgba(107,46,143,0.4);
            background-position: 100% 0;
        }
        
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero-left h1 {
                font-size: 2.5rem;
            }
            
            .news-grid {
                grid-template-columns: 1fr;
            }
            
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .app-content {
                grid-template-columns: 1fr;
            }
            
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            
            .search-box {
                display: none;
            }
            
            .hero-section {
                min-height: auto;
                padding: 60px 20px;
            }
            
            .hero-left h1 {
                font-size: 2rem;
            }
            
            .hero-left p {
                font-size: 1rem;
            }
            
            .hero-right {
                grid-template-columns: 1fr;
            }
            
            .section {
                padding: 60px 20px;
            }
            
            .section-header h2 {
                font-size: 1.75rem;
            }
            
            .news-item {
                flex-direction: column;
            }
            
            .news-item .thumb {
                width: 100%;
                height: 200px;
            }
            
            .service-grid {
                grid-template-columns: 1fr;
            }
            
            .floating-cta {
                left: 5%;
                right: 5%;
                bottom: 0;
                width: 90%;
                border-radius: var(--radius-pill) var(--radius-pill) 0 0;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
  --grad: linear-gradient(135deg, #6B2E8F, #D4145A, #FF6B35);
  --grad-dark: linear-gradient(135deg, #2D1B3D, #4A1942);
  --accent: #A855F7;
  --accent2: #FB923C;
  --bg: #F8F9FA;
  --card: #FFFFFF;
  --dark: #1A1A1A;
  --text: #1F2937;
  --muted: #6B7280;
  --border: #E5E7EB;
  --r-lg: 20px;
  --r-md: 16px;
  --r-sm: 12px;
  --r-pill: 24px;
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-float: 0 6px 20px rgba(107,46,143,0.3);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 1rem; line-height: 1.6; color: var(--text); background: var(--bg); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Gradient text ── */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 32px; border-radius: var(--r-pill);
  font-size: 1rem; font-weight: 600; cursor: pointer;
  border: none; transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: var(--shadow-float);
}
.btn-primary:hover { transform: scale(1.02); box-shadow: 0 8px 28px rgba(107,46,143,0.4); color: #fff; }
.btn-outline {
  background: #fff; color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover { background: #f5f0ff; }

/* ── Nav ── */
.top-bar {
  position: sticky; top: 0; z-index: 900;
  background: #fff; border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
}
.top-bar-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.125rem; font-weight: 700; color: var(--text);
  flex-shrink: 0;
}
.logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.875rem;
}
.nav-menu {
  display: flex; list-style: none; gap: 4px; flex: 1;
}
.nav-menu a {
  padding: 8px 16px; border-radius: 8px;
  font-size: 0.9375rem; color: #4B5563;
  transition: color 0.2s, background 0.2s;
}
.nav-menu a:hover { color: var(--accent); background: #f5f0ff; }
.nav-menu a.active {
  color: var(--accent); font-weight: 600;
  border-bottom: 2px solid var(--accent);
}
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.search-box {
  display: flex; align-items: center; gap: 8px;
  background: #F3F4F6; border-radius: 20px;
  padding: 8px 16px; width: 220px;
  border: 1px solid transparent; transition: all 0.2s;
}
.search-box:focus-within {
  background: #fff; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(168,85,247,0.1);
}
.search-box i { color: var(--muted); font-size: 0.875rem; }
.search-box input {
  border: none; background: transparent; outline: none;
  font-size: 0.875rem; color: var(--text); width: 100%;
}
.search-box input::placeholder { color: var(--muted); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); margin: 5px 0;
  transition: all 0.3s;
}

/* ── Category Hero ── */
.cat-hero {
  background: var(--grad-dark);
  padding: 80px 0 60px;
  position: relative; overflow: hidden;
}
.cat-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(168,85,247,0.15) 0%, transparent 60%);
}
.cat-hero-inner {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 60px;
}
.cat-hero-left { flex: 1; }
.cat-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.cat-breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.2s; }
.cat-breadcrumb a:hover { color: #fff; }
.cat-breadcrumb i { font-size: 0.75rem; }
.cat-hero h1 {
  font-size: 3rem; font-weight: 700; line-height: 1.2;
  color: #fff; margin-bottom: 16px;
}
.cat-hero h1 span { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cat-hero-desc {
  font-size: 1.125rem; color: rgba(255,255,255,0.75);
  margin-bottom: 32px; max-width: 520px;
}
.cat-hero-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2rem; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}
.stat-label { font-size: 0.8125rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
.cat-hero-right { flex: 0 0 340px; }
.filter-panel {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg); padding: 28px;
  backdrop-filter: blur(10px);
}
.filter-panel h3 {
  font-size: 0.875rem; font-weight: 600;
  color: rgba(255,255,255,0.5); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 16px;
}
.filter-group { margin-bottom: 20px; }
.filter-group-label {
  font-size: 0.8125rem; color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 6px 14px; border-radius: var(--r-pill);
  font-size: 0.8125rem; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.06);
  transition: all 0.2s;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }
.tag.active {
  background: var(--grad); border-color: transparent;
  color: #fff; font-weight: 600;
}

/* ── Section ── */
.section { padding: 80px 0; }
.section-alt { background: #fff; }
.section-header { margin-bottom: 48px; }
.section-header h2 {
  font-size: 2rem; font-weight: 700; color: var(--text);
  margin-bottom: 12px;
}
.section-header p { font-size: 1rem; color: var(--muted); max-width: 560px; }

/* ── Video Grid ── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: var(--card); border-radius: var(--r-md);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.15);
}
.video-thumb {
  aspect-ratio: 16/9; background: #D1D5DB;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.video-thumb-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #2D1B3D 0%, #4A1942 50%, #6B2E8F 100%);
  opacity: 0.85;
}
.play-icon {
  position: relative; z-index: 1;
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.5);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.25rem;
  transition: transform 0.2s, background 0.2s;
}
.video-card:hover .play-icon {
  transform: scale(1.1);
  background: rgba(255,255,255,0.35);
}
.video-badge {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  padding: 3px 10px; border-radius: var(--r-pill);
  font-size: 0.75rem; font-weight: 600; color: #fff;
  background: var(--grad);
}
.video-info { padding: 16px; }
.video-title {
  font-size: 1rem; font-weight: 600; color: var(--text);
  margin-bottom: 8px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.video-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 0.8125rem; color: var(--muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ── Feature Strip ── */
.feature-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.feature-item {
  background: var(--card); border-radius: var(--r-md);
  padding: 28px 24px; box-shadow: var(--shadow);
  border-top: 3px solid transparent;
  border-image: var(--grad) 1;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(107,46,143,0.12), rgba(212,20,90,0.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: var(--accent); margin-bottom: 16px;
}
.feature-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { font-size: 0.875rem; color: var(--muted); line-height: 1.5; }

/* ── Process ── */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.process-card {
  background: var(--card); border-radius: var(--r-lg);
  padding: 36px 28px; box-shadow: var(--shadow);
  position: relative;
}
.process-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--grad); color: #fff;
  font-size: 1.25rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.process-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.process-card p { font-size: 0.9375rem; color: var(--muted); line-height: 1.6; }
.process-arrow {
  position: absolute; right: -20px; top: 50%;
  transform: translateY(-50%);
  color: var(--accent); font-size: 1.25rem; z-index: 1;
}

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card); border-radius: var(--r-sm);
  box-shadow: var(--shadow); overflow: hidden;
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer;
  font-size: 1rem; font-weight: 600; color: var(--text);
  transition: color 0.2s;
}
.faq-q:hover { color: var(--accent); }
.faq-q i { transition: transform 0.3s; color: var(--muted); flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); color: var(--accent); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s;
  background: #F9FAFB;
  font-size: 0.9375rem; color: #4B5563; line-height: 1.7;
  padding: 0 24px;
}
.faq-item.open .faq-a { max-height: 300px; padding: 16px 24px 20px; }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--grad-dark);
  border-radius: var(--r-lg); padding: 60px 48px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; right: -60px; top: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.2) 0%, transparent 70%);
}
.cta-banner-text h2 {
  font-size: 1.75rem; font-weight: 700; color: #fff; margin-bottom: 10px;
}
.cta-banner-text p { font-size: 1rem; color: rgba(255,255,255,0.7); }
.cta-banner-actions { display: flex; gap: 12px; flex-shrink: 0; }

/* ── Pagination ── */
.pagination {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 48px; flex-wrap: wrap;
}
.page-btn {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9375rem; font-weight: 500; cursor: pointer;
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); transition: all 0.2s;
}
.page-btn:hover { border-color: var(--accent); color: var(--accent); }
.page-btn.active {
  background: var(--grad); border-color: transparent;
  color: #fff; box-shadow: var(--shadow-float);
}
.page-btn.dots { cursor: default; border-color: transparent; background: transparent; }

/* ── Footer ── */
.footer {
  background: var(--dark);
  padding: 60px 0 0;
}
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
}
.footer-brand h3 {
  font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 12px;
}
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); line-height: 1.7; }
.footer-links h4 {
  font-size: 0.875rem; font-weight: 600; color: rgba(255,255,255,0.4);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.9375rem; color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0; text-align: center;
  font-size: 0.875rem; color: rgba(255,255,255,0.35);
}

/* ── Floating CTA ── */
.floating-cta {
  position: fixed; right: 24px; bottom: 24px; z-index: 1000;
  background: var(--grad); color: #fff;
  padding: 0 24px; height: 48px; border-radius: var(--r-pill);
  display: flex; align-items: center; gap: 8px;
  font-size: 0.9375rem; font-weight: 600;
  box-shadow: var(--shadow-float);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.floating-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 28px rgba(107,46,143,0.4);
  color: #fff;
}

/* ── Mobile Nav ── */
.mobile-menu {
  display: none; flex-direction: column;
  background: #fff; border-top: 1px solid var(--border);
  padding: 16px 24px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 0; font-size: 1rem; color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--accent); font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .cat-hero h1 { font-size: 2.5rem; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-strip { grid-template-columns: repeat(2, 1fr); }
  .cat-hero-right { flex: 0 0 280px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .cat-hero { padding: 60px 0 40px; }
  .cat-hero-inner { flex-direction: column; gap: 32px; }
  .cat-hero h1 { font-size: 2rem; }
  .cat-hero-right { flex: none; width: 100%; }
  .process-grid { grid-template-columns: 1fr; }
  .process-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { flex-direction: column; text-align: center; padding: 40px 28px; }
  .cta-banner-actions { justify-content: center; }
  .search-box { display: none; }
  .hamburger { display: block; }
  .nav-menu { display: none; }
  .floating-cta {
    right: 5%; left: 5%; bottom: 0;
    width: 90%; border-radius: 24px 24px 0 0;
    justify-content: center;
  }
}
@media (max-width: 520px) {
  .video-grid { grid-template-columns: 1fr; }
  .feature-strip { grid-template-columns: 1fr; }
  .cat-hero-stats { gap: 20px; }
  .cta-banner-actions { flex-direction: column; width: 100%; }
  .cta-banner-actions .btn { justify-content: center; }
}

/* roulang page: category2 */
:root {
  --grad-main: linear-gradient(135deg, #6B2E8F 0%, #D4145A 55%, #FF6B35 100%);
  --grad-dark: linear-gradient(135deg, #2D1B3D 0%, #4A1942 100%);
  --grad-hero: linear-gradient(135deg, #1a0a2e 0%, #2d0f3d 40%, #3d1230 100%);
  --color-accent: #A855F7;
  --color-accent2: #FB923C;
  --color-bg: #F8F9FA;
  --color-card: #FFFFFF;
  --color-dark: #1A1A1A;
  --color-text: #1F2937;
  --color-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-sub: #4B5563;
  --radius-xl: 20px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 24px;
  --shadow-card: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.14);
  --shadow-float: 0 6px 20px rgba(107,46,143,0.32);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --section-gap: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}
a { color: inherit; text-decoration: none; transition: color 0.2s; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button, input { font-family: inherit; }

/* ── CONTAINER ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── NAV ── */
.top-bar {
  position: sticky; top: 0; z-index: 900;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
}
.top-bar-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; gap: 24px;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.125rem; font-weight: 700; color: var(--color-text);
  flex-shrink: 0;
}
.logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad-main);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.875rem;
}
.nav-menu {
  display: flex; align-items: center; gap: 4px; flex: 1;
}
.nav-menu li a {
  padding: 6px 14px; border-radius: var(--radius-sm);
  font-size: 0.9375rem; color: var(--color-sub);
  transition: color 0.2s, background 0.2s;
}
.nav-menu li a:hover { color: var(--color-accent); background: rgba(168,85,247,0.07); }
.nav-menu li a.active {
  color: var(--color-accent); font-weight: 600;
  background: rgba(168,85,247,0.1);
}
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.search-box {
  display: flex; align-items: center; gap: 8px;
  background: #F3F4F6; border: 1px solid transparent;
  border-radius: 20px; padding: 0 14px; height: 40px;
  transition: border-color 0.2s, background 0.2s;
}
.search-box:focus-within {
  background: #fff; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(168,85,247,0.1);
}
.search-box i { color: var(--color-muted); font-size: 0.875rem; }
.search-box input {
  border: none; background: transparent; outline: none;
  font-size: 0.875rem; color: var(--color-text); width: 180px;
}
.search-box input::placeholder { color: var(--color-muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; border-radius: var(--radius-pill);
  font-size: 0.9375rem; font-weight: 600; cursor: pointer;
  border: none; transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--grad-main); color: #fff;
  box-shadow: 0 4px 14px rgba(107,46,143,0.3);
}
.btn-primary:hover { transform: scale(1.03); box-shadow: 0 6px 20px rgba(107,46,143,0.4); color: #fff; }
.btn-outline {
  background: #fff; color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-outline:hover { background: rgba(168,85,247,0.06); }

/* hamburger */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text); margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 12px 24px 16px; background: #fff;
  border-top: 1px solid var(--color-border);
}
.mobile-menu a {
  padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: 1rem; color: var(--color-sub);
}
.mobile-menu a.active { color: var(--color-accent); font-weight: 600; }
.mobile-menu.open { display: flex; }

/* ── CATEGORY HERO ── */
.cat-hero {
  background: var(--grad-hero);
  padding: 60px 0 48px;
  position: relative; overflow: hidden;
}
.cat-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(212,20,90,0.18) 0%, transparent 70%),
              radial-gradient(ellipse 40% 60% at 20% 30%, rgba(107,46,143,0.22) 0%, transparent 70%);
  pointer-events: none;
}
.cat-hero-inner { position: relative; z-index: 1; }
.cat-hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-pill); padding: 5px 14px;
  font-size: 0.8125rem; color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}
.cat-hero h1 {
  font-size: 2.75rem; font-weight: 700; line-height: 1.2;
  color: #fff; margin-bottom: 16px;
}
.cat-hero h1 span {
  background: var(--grad-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cat-hero-desc {
  font-size: 1.0625rem; color: rgba(255,255,255,0.75);
  max-width: 600px; margin-bottom: 32px; line-height: 1.7;
}
.cat-hero-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
}
.stat-item { text-align: left; }
.stat-num {
  font-size: 1.75rem; font-weight: 700;
  background: var(--grad-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
}
.stat-label { font-size: 0.8125rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ── FILTER BAR ── */
.filter-bar {
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  margin-top: -24px; position: relative; z-index: 2;
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
}
.filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-label { font-size: 0.875rem; color: var(--color-muted); font-weight: 500; white-space: nowrap; }
.filter-tag {
  padding: 5px 14px; border-radius: var(--radius-pill);
  font-size: 0.875rem; cursor: pointer; border: none;
  background: #F3F4F6; color: var(--color-sub);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.filter-tag:hover { background: rgba(168,85,247,0.1); color: var(--color-accent); }
.filter-tag.active {
  background: var(--grad-main); color: #fff;
  box-shadow: 0 2px 8px rgba(107,46,143,0.25);
}
.filter-divider { width: 1px; height: 24px; background: var(--color-border); }

/* ── SECTION WRAPPER ── */
.section { padding: var(--section-gap) 0; }
.section-header { margin-bottom: 36px; }
.section-header h2 {
  font-size: 1.75rem; font-weight: 700; color: var(--color-text);
  margin-bottom: 8px;
}
.section-header p { font-size: 1rem; color: var(--color-muted); }
.section-meta {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 28px;
}
.result-count { font-size: 0.9375rem; color: var(--color-muted); }
.result-count strong { color: var(--color-text); }
.sort-select {
  padding: 7px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: #fff;
  font-size: 0.875rem; color: var(--color-sub); cursor: pointer;
  outline: none;
}
.sort-select:focus { border-color: var(--color-accent); }

/* ── VIDEO GRID ── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: var(--color-card); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.13);
}
.video-thumb {
  aspect-ratio: 16/9; background: #1e1e2e;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.video-thumb-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #1a0a2e 0%, #2d1040 100%);
}
.video-thumb-pattern {
  position: absolute; inset: 0; opacity: 0.15;
  background-image: repeating-linear-gradient(45deg, rgba(168,85,247,0.3) 0, rgba(168,85,247,0.3) 1px, transparent 0, transparent 50%);
  background-size: 20px 20px;
}
.play-icon {
  position: relative; z-index: 1;
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.9); font-size: 1.25rem;
  transition: background 0.2s, transform 0.2s;
}
.video-card:hover .play-icon {
  background: rgba(212,20,90,0.7); transform: scale(1.1);
}
.video-badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 600; color: #fff;
}
.badge-hd { background: rgba(107,46,143,0.85); }
.badge-new { background: rgba(212,20,90,0.85); }
.badge-hot { background: rgba(255,107,53,0.85); }
.badge-sub { background: rgba(30,30,46,0.85); border: 1px solid rgba(168,85,247,0.4); }
.video-duration {
  position: absolute; bottom: 8px; right: 10px; z-index: 2;
  font-size: 0.75rem; color: rgba(255,255,255,0.9);
  background: rgba(0,0,0,0.55); padding: 2px 7px; border-radius: 4px;
}
.video-info { padding: 14px 16px 16px; }
.video-region {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--color-accent); background: rgba(168,85,247,0.1);
  padding: 2px 8px; border-radius: 4px; margin-bottom: 7px;
}
.video-title {
  font-size: 1rem; font-weight: 600; color: var(--color-text);
  line-height: 1.45; margin-bottom: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.8125rem; color: var(--color-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ── FEATURE STRIP ── */
.feature-strip {
  background: var(--grad-dark); border-radius: var(--radius-xl);
  padding: 40px 48px; margin: 0 0 var(--section-gap);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.feature-item { text-align: center; }
.feature-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 1.375rem; color: #fff;
}
.feature-item h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 6px; }
.feature-item p { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.5; }

/* ── HIGHLIGHT SECTION ── */
.highlight-section {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  margin-bottom: var(--section-gap);
}
.highlight-card {
  background: var(--color-card); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card); padding: 32px; overflow: hidden;
  position: relative;
}
.highlight-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--grad-main);
}
.highlight-card h3 {
  font-size: 1.25rem; font-weight: 700; margin-bottom: 16px;
  color: var(--color-text);
}
.type-list { display: flex; flex-direction: column; gap: 10px; }
.type-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--color-bg); transition: background 0.2s;
  cursor: pointer;
}
.type-row:hover { background: rgba(168,85,247,0.07); }
.type-row-left { display: flex; align-items: center; gap: 10px; }
.type-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad-main); flex-shrink: 0;
}
.type-name { font-size: 0.9375rem; font-weight: 500; color: var(--color-text); }
.type-count {
  font-size: 0.8125rem; color: var(--color-muted);
  background: #F3F4F6; padding: 2px 10px; border-radius: var(--radius-pill);
}
.sub-support-list { display: flex; flex-direction: column; gap: 12px; }
.sub-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--color-bg);
}
.sub-icon {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--grad-main); display: flex; align-items: center;
  justify-content: center; color: #fff; font-size: 0.875rem; flex-shrink: 0;
}
.sub-text h5 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 3px; }
.sub-text p { font-size: 0.8125rem; color: var(--color-muted); line-height: 1.5; }

/* ── FAQ ── */
.faq-section { margin-bottom: var(--section-gap); }
.faq-section h2 {
  font-size: 1.75rem; font-weight: 700; margin-bottom: 28px;
  color: var(--color-text);
}
.accordion-item {
  background: var(--color-card); border-radius: var(--radius-md);
  margin-bottom: 12px; box-shadow: var(--shadow-card); overflow: hidden;
}
.accordion-title {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; cursor: pointer;
  font-size: 1rem; font-weight: 600; color: var(--color-text);
  user-select: none; transition: background 0.2s;
}
.accordion-title:hover { background: rgba(168,85,247,0.04); }
.accordion-arrow {
  width: 28px; height: 28px; border-radius: 50%;
  background: #F3F4F6; display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); font-size: 0.75rem; flex-shrink: 0;
  transition: transform 0.3s, background 0.2s;
}
.accordion-item.open .accordion-arrow {
  transform: rotate(180deg); background: rgba(168,85,247,0.12); color: var(--color-accent);
}
.accordion-content {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  background: #F9FAFB;
}
.accordion-item.open .accordion-content { max-height: 300px; }
.accordion-content-inner {
  padding: 16px 22px 20px;
  font-size: 0.9375rem; color: var(--color-sub); line-height: 1.7;
}

/* ── CTA BANNER ── */
.cta-banner {
  background: var(--grad-main); border-radius: var(--radius-xl);
  padding: 48px 56px; margin-bottom: var(--section-gap);
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-banner-text h2 {
  font-size: 1.75rem; font-weight: 700; color: #fff; margin-bottom: 8px;
}
.cta-banner-text p { font-size: 1rem; color: rgba(255,255,255,0.8); }
.cta-banner-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-white {
  background: #fff; color: #D4145A; font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.btn-white:hover { transform: scale(1.03); box-shadow: 0 6px 20px rgba(0,0,0,0.2); color: #D4145A; }
.btn-ghost {
  background: rgba(255,255,255,0.15); color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover { background: rgba(255,255,255,0.25); color: #fff; }

/* ── PAGINATION ── */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 8px 0 var(--section-gap);
}
.page-btn {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9375rem; font-weight: 500; cursor: pointer;
  border: 1px solid var(--color-border); background: #fff;
  color: var(--color-sub); transition: all 0.2s;
}
.page-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.page-btn.active {
  background: var(--grad-main); color: #fff; border-color: transparent;
  box-shadow: 0 2px 8px rgba(107,46,143,0.3);
}
.page-btn.arrow { font-size: 0.8125rem; }

/* ── FOOTER ── */
.footer {
  background: var(--grad-dark); color: #fff;
  padding: 60px 0 0;
}
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr  1fr; gap: 48px; margin-bottom: 40px;
}
.footer-brand h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.6; }
.footer-links h4 { font-size: 1rem; font-weight: 600; margin-bottom: 16px; color: rgba(255,255,255,0.9); }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-links ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0 24px; text-align: center;
  font-size: 0.875rem; color: rgba(255,255,255,0.4);
}

/* ── FLOATING CTA ── */
.floating-cta {
  position: fixed; right: 24px; bottom: 24px; z-index: 1000;
  background: var(--grad-main); color: #fff;
  padding: 0 24px; height: 48px; border-radius: var(--radius-pill);
  display: flex; align-items: center; gap: 8px;
  font-size: 0.9375rem; font-weight: 600;
  box-shadow: var(--shadow-float);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.floating-cta:hover {
  transform: scale(1.05); color: #fff;
  box-shadow: 0 8px 28px rgba(107,46,143,0.45);
}

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 0.625rem; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  :root { --section-gap: 60px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-strip { grid-template-columns: repeat(2, 1fr); padding: 32px; }
  .highlight-section { grid-template-columns: 1fr; }
  .cat-hero h1 { font-size: 2.25rem; }
}
@media (max-width: 768px) {
  :root { --section-gap: 40px; }
  .search-box { display: none; }
  .nav-menu { display: none; }
  .hamburger { display: block; margin-left: auto; }
  .cat-hero { padding: 40px 0 36px; }
  .cat-hero h1 { font-size: 1.875rem; }
  .cat-hero-stats { gap: 20px; }
  .filter-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .filter-divider { display: none; }
  .video-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-strip { grid-template-columns: repeat(2, 1fr); padding: 24px; gap: 20px; }
  .cta-banner { padding: 32px 28px; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .floating-cta {
    right: 5%; left: 5%; bottom: 0;
    width: 90%; border-radius: 24px 24px 0 0;
    justify-content: center;
  }
}
@media (max-width: 520px) {
  .cat-hero h1 { font-size: 1.625rem; }
  .feature-strip { grid-template-columns: 1fr; }
  .cta-banner-actions { flex-direction: column; width: 100%; }
  .cta-banner-actions .btn { width: 100%; justify-content: center; }
  .cat-hero-stats { flex-wrap: wrap; gap: 16px; }
}