/* roulang page: index */
:root {
            --bg: #12101D;
            --bg-soft: #17142a;
            --surface: #1D1A2E;
            --surface-hover: #282340;
            --border: #2E2A45;
            --border-light: rgba(124, 58, 237, 0.35);
            --violet: #7C3AED;
            --pink: #DB2777;
            --orange: #F97316;
            --brand-grad: linear-gradient(135deg, #7C3AED, #DB2777, #F97316);
            --brand-grad-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(219, 39, 119, 0.18), rgba(249, 115, 22, 0.18));
            --text: #F8F7FF;
            --text-secondary: #A5A0BD;
            --text-muted: #6B6585;
            --success: #34D399;
            --amber: #FBBF24;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 30px rgba(124, 58, 237, 0.12), 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 40px rgba(219, 39, 119, 0.22), 0 6px 18px rgba(0, 0, 0, 0.35);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.25);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ::selection {
            background: rgba(124, 58, 237, 0.45);
            color: var(--text);
        }

        :focus-visible {
            outline: 2px solid var(--violet);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(18, 16, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(46, 42, 69, 0.8);
            transition: background var(--transition-slow), border-color var(--transition-slow);
        }
        .header.scrolled {
            background: rgba(18, 16, 29, 0.98);
            border-bottom-color: rgba(124, 58, 237, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }
        .logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo small {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-left: 6px;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }
        .nav a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
            box-shadow: inset 0 -2px 0 rgba(249, 115, 22, 0.7);
        }
        .header-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 6px 18px rgba(219, 39, 119, 0.28);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(219, 39, 119, 0.38);
            filter: brightness(1.05);
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }
        .btn-secondary {
            border-color: var(--violet);
            color: #D8B4FE;
            background: rgba(124, 58, 237, 0.08);
        }
        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.2);
            border-color: #a78bfa;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .hamburger.open span:nth-child(2) { opacity: 0; }
        .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(18, 16, 29, 0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-menu a {
            padding: 16px 20px;
            border-radius: var(--radius-md);
            font-size: 18px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover, .mobile-menu a.active {
            color: var(--text);
            border-color: var(--violet);
            background: rgba(124, 58, 237, 0.15);
        }
        .mobile-menu.open {
            display: flex;
        }

        /* Main */
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* Section base */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-soft);
            border-top: 1px solid rgba(46, 42, 69, 0.6);
            border-bottom: 1px solid rgba(46, 42, 69, 0.6);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            color: #C4B5FD;
            background: rgba(124, 58, 237, 0.15);
            border: 1px solid rgba(124, 58, 237, 0.35);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.5px;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head.center .section-desc {
            margin: 0 auto;
        }

        /* Hero - Card Stack */
        .hero {
            padding: 60px 0 90px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.2), transparent 55%),
                        radial-gradient(ellipse at 70% 70%, rgba(219, 39, 119, 0.15), transparent 55%),
                        var(--bg);
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/cbb1233a22019c58.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
            z-index: 0;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-top {
            text-align: center;
            margin-bottom: 52px;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: #FDE68A;
            background: rgba(251, 191, 36, 0.12);
            border: 1px solid rgba(251, 191, 36, 0.35);
            margin-bottom: 20px;
            letter-spacing: 0.6px;
        }
        .hero-title {
            font-size: clamp(28px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-title .grad-text {
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .hero-data {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .hero-data-item {
            text-align: center;
            padding: 10px 20px;
            background: rgba(29, 26, 46, 0.8);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            min-width: 110px;
        }
        .hero-data-item strong {
            display: block;
            font-size: 28px;
            font-weight: 800;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-data-item span {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-stack {
            display: grid;
            grid-template-columns: 0.9fr 1.4fr 0.9fr;
            gap: 20px;
            align-items: center;
            margin-top: 20px;
        }
        .hero-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
        }
        .hero-card:hover {
            border-color: rgba(219, 39, 119, 0.5);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .hero-card-main {
            background: linear-gradient(145deg, #1d1a2e 0%, #241d3a 100%);
            border-color: rgba(124, 58, 237, 0.5);
            padding: 36px 30px;
        }
        .hero-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--brand-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 22px;
            color: #fff;
            font-weight: 700;
            box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
        }
        .hero-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .hero-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .hero-card .link {
            display: inline-block;
            margin-top: 14px;
            font-size: 14px;
            font-weight: 600;
            color: #D8B4FE;
            transition: color var(--transition-fast);
        }
        .hero-card .link:hover {
            color: #fff;
        }
        .hero-card-side {
            padding: 22px 20px;
        }
        .hero-card-side h3 {
            font-size: 18px;
        }
        .hero-card-side p {
            font-size: 14px;
        }

        /* Stats badges */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-badge {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .stat-badge::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-grad);
            opacity: 0.7;
        }
        .stat-badge:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-badge .stat-num {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-badge .stat-num.green {
            background: none;
            -webkit-text-fill-color: var(--success);
            color: var(--success);
        }
        .stat-badge .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 2px;
        }
        .stat-badge .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* Brand story */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            background: var(--surface);
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.8s ease;
        }
        .story-image:hover img {
            transform: scale(1.04);
        }
        .story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), transparent 60%);
            pointer-events: none;
        }
        .story-content h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .story-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .story-content .highlight-box {
            padding: 16px 20px;
            background: rgba(124, 58, 237, 0.08);
            border-left: 4px solid var(--violet);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 14px;
            color: #D8B4FE;
            line-height: 1.7;
            margin-top: 16px;
        }

        /* Category entries */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .category-card {
            display: block;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--brand-grad-soft);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .category-card:hover {
            border-color: var(--violet);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card > * {
            position: relative;
            z-index: 1;
        }
        .category-card .cat-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--violet);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .category-card .arrow {
            display: inline-block;
            margin-top: 14px;
            font-size: 14px;
            font-weight: 600;
            color: #D8B4FE;
        }

        /* Product grid */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .product-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .product-card:hover {
            border-color: rgba(124, 58, 237, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .product-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--surface-hover);
            border-bottom: 1px solid var(--border);
        }
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .product-card:hover .product-img img {
            transform: scale(1.06);
        }
        .product-body {
            padding: 20px;
        }
        .product-body .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(124, 58, 237, 0.15);
            color: #C4B5FD;
            border: 1px solid rgba(124, 58, 237, 0.3);
            margin-bottom: 10px;
        }
        .product-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .product-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .product-body .spec {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }
        .product-body .spec span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Scenario grid */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .scenario-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .scenario-card:hover {
            border-color: var(--pink);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scenario-card .step-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Membership */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .membership-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .membership-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-card-hover);
        }
        .membership-card.featured {
            border-color: rgba(219, 39, 119, 0.6);
            background: linear-gradient(145deg, #1d1a2e 0%, #281d3f 100%);
            box-shadow: 0 12px 34px rgba(219, 39, 119, 0.2);
        }
        .membership-card .popular-tag {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand-grad);
            padding: 4px 18px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(219, 39, 119, 0.4);
        }
        .membership-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .membership-card .price {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
        }
        .membership-card .price .unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .membership-card ul {
            list-style: none;
            margin-bottom: 20px;
            flex: 1;
        }
        .membership-card ul li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .membership-card ul li::before {
            content: '✓';
            color: var(--success);
            font-weight: 700;
            font-size: 14px;
        }
        .membership-card .btn {
            width: 100%;
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-thumb {
            width: 120px;
            min-width: 120px;
            height: 84px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--surface-hover);
            flex-shrink: 0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            flex: 1;
        }
        .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-meta .news-tag {
            color: #C4B5FD;
            font-weight: 500;
        }

        /* Guarantee bar */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition-fast);
        }
        .guarantee-item:hover {
            border-color: var(--success);
            transform: translateY(-2px);
        }
        .guarantee-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 50%;
            background: rgba(52, 211, 153, 0.15);
            border: 1px solid rgba(52, 211, 153, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--success);
            font-weight: 700;
        }
        .guarantee-item strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }
        .guarantee-item span {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
        }
        .testimonial-card:hover {
            border-color: var(--amber);
            transform: translateY(-2px);
        }
        .testimonial-stars {
            color: var(--amber);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .testimonial-card blockquote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: normal;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }
        .testimonial-author .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: #fff;
            font-weight: 700;
        }
        .testimonial-author .role {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.open {
            border-color: var(--violet);
            box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.3), var(--shadow-card);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px;
        }
        .faq-item.open .faq-question::after {
            transform: rotate(45deg);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: #D8B4FE;
        }
        .faq-question::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--violet);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 20px;
        }

        /* CTA */
        .cta-banner {
            background: var(--brand-grad);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(219, 39, 119, 0.25);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.2), transparent 50%),
                        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1), transparent 50%);
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-white {
            background: #fff;
            color: var(--pink);
            font-weight: 700;
            position: relative;
            z-index: 1;
            border-radius: var(--radius-sm);
            padding: 14px 36px;
            font-size: 16px;
            transition: all var(--transition-fast);
        }
        .cta-banner .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        /* Footer */
        .footer {
            background: #0d0c16;
            border-top: 1px solid rgba(46, 42, 69, 0.8);
            padding: 56px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 26px;
            font-weight: 800;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }
        .footer-about p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text);
        }
        .footer-links a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--text);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--text);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container { padding: 0 20px; }
            .section { padding: 60px 0; }
            .section-title { font-size: 30px; }
            .hero-stack { grid-template-columns: 1fr; gap: 16px; }
            .hero-card-side { display: none; }
            .hero-card-main { padding: 28px 24px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .story-grid { grid-template-columns: 1fr; gap: 28px; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .product-grid { grid-template-columns: repeat(2, 1fr); }
            .scenario-grid { grid-template-columns: repeat(2, 1fr); }
            .membership-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
            .news-list { grid-template-columns: 1fr; }
            .guarantee-bar { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .header-inner { gap: 12px; }
            .nav { display: none; }
            .hamburger { display: flex; }
            .header-ctas .btn-secondary { display: none; }
            .header-ctas .btn-primary { padding: 8px 14px; font-size: 13px; }
            .logo { font-size: 22px; }
            .section { padding: 48px 0; }
            .section-title { font-size: 26px; }
            .section-desc { font-size: 15px; }
            .hero { padding: 40px 0 60px; }
            .hero-title { font-size: 26px; }
            .hero-subtitle { font-size: 15px; }
            .hero-data { gap: 10px; }
            .hero-data-item { min-width: 90px; padding: 8px 14px; }
            .hero-data-item strong { font-size: 22px; }
            .hero-card { padding: 20px; }
            .hero-card-main { padding: 24px 20px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .stat-badge { padding: 20px 14px; }
            .stat-badge .stat-num { font-size: 32px; }
            .category-grid { grid-template-columns: 1fr; }
            .product-grid { grid-template-columns: 1fr; }
            .scenario-grid { grid-template-columns: 1fr; }
            .guarantee-bar { grid-template-columns: 1fr; }
            .cta-banner { padding: 32px 20px; }
            .cta-banner h2 { font-size: 24px; }
            .news-item { flex-direction: column; }
            .news-thumb { width: 100%; min-width: 100%; height: 160px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .logo { font-size: 19px; }
            .header-ctas .btn-primary { padding: 7px 10px; font-size: 12px; }
            .hero-title { font-size: 22px; }
            .hero-subtitle { font-size: 14px; }
            .hero-actions { flex-direction: column; gap: 10px; }
            .hero-actions .btn { width: 100%; }
            .section-title { font-size: 22px; }
            .section-tag { font-size: 12px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .stat-badge .stat-num { font-size: 28px; }
            .stat-badge .stat-label { font-size: 12px; }
            .product-grid, .category-grid, .scenario-grid, .membership-grid, .news-list, .guarantee-bar, .testimonial-grid { grid-template-columns: 1fr; }
            .faq-question { font-size: 14px; padding: 14px 16px; }
            .faq-answer { font-size: 13px; padding: 0 16px; }
            .faq-item.open .faq-answer { padding: 0 16px 16px; }
        }

/* roulang page: category1 */
:root{
  --bg:#12101D;
  --bg-soft:#17142a;
  --surface:#1D1A2E;
  --surface-hover:#282340;
  --border:#2E2A45;
  --border-light:rgba(124,58,237,0.35);
  --violet:#7C3AED;
  --pink:#DB2777;
  --orange:#F97316;
  --brand-grad:linear-gradient(135deg,#7C3AED,#DB2777,#F97316);
  --brand-grad-soft:linear-gradient(135deg,rgba(124,58,237,0.18),rgba(219,39,119,0.18),rgba(249,115,22,0.18));
  --text:#F8F7FF;
  --text-secondary:#A5A0BD;
  --text-muted:#6B6585;
  --success:#34D399;
  --amber:#FBBF24;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 10px 30px rgba(124,58,237,0.12),0 4px 12px rgba(0,0,0,0.3);
  --shadow-card-hover:0 16px 40px rgba(219,39,119,0.22),0 6px 18px rgba(0,0,0,0.35);
  --shadow-header:0 2px 20px rgba(0,0,0,0.25);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --container-max:1200px;
  --header-h:72px;
  --transition-fast:0.25s cubic-bezier(0.25,0.46,0.45,0.94);
  --transition-slow:0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body{
  font-family:var(--font-sans);
  background-color:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color var(--transition-fast);
}
a:hover{
  color:var(--text);
}
img{
  max-width:100%;
  display:block;
  height:auto;
}
button,input{
  font-family:inherit;
  font-size:inherit;
  border:none;
  outline:none;
  background:none;
  color:inherit;
}
button{
  cursor:pointer;
}
.container{
  width:100%;
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 24px;
}
/* Header */
.header{
  position:sticky;
  top:0;
  z-index:1000;
  height:var(--header-h);
  background:rgba(18,16,29,0.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(46,42,69,0.8);
  transition:background var(--transition-slow),border-color var(--transition-slow);
}
.header.scrolled{
  background:rgba(18,16,29,0.98);
  border-bottom-color:rgba(124,58,237,0.3);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:var(--header-h);
  gap:20px;
}
.logo{
  font-size:26px;
  font-weight:800;
  letter-spacing:1px;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  white-space:nowrap;
  flex-shrink:0;
}
.logo small{
  font-size:13px;
  font-weight:500;
  letter-spacing:2px;
  -webkit-text-fill-color:var(--text-secondary);
  background:none;
  margin-left:6px;
}
.nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav a{
  padding:8px 14px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:500;
  color:var(--text-secondary);
  position:relative;
  white-space:nowrap;
  transition:color var(--transition-fast),background var(--transition-fast);
}
.nav a:hover{
  color:var(--text);
  background:rgba(124,58,237,0.12);
}
.nav a.active{
  color:var(--text);
  background:rgba(124,58,237,0.18);
  box-shadow:inset 0 -2px 0 rgba(249,115,22,0.7);
}
.header-ctas{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  border:1px solid var(--border);
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:var(--text);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 22px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:0.4px;
  transition:all var(--transition-fast);
  border:1px solid transparent;
  white-space:nowrap;
  cursor:pointer;
}
.btn:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 6px 18px rgba(219,39,119,0.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(219,39,119,0.38);
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--violet);
  color:#D8B4FE;
}
.btn-ghost:hover{
  border-color:var(--pink);
  color:var(--text);
  background:rgba(124,58,237,0.12);
  transform:translateY(-2px);
}
main{
  flex:1;
}
/* Breadcrumb + H1 */
.breadcrumb-wrap{
  padding:24px 0 10px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:12px;
  flex-wrap:wrap;
}
.breadcrumb a{
  color:var(--text-secondary);
}
.breadcrumb a:hover{
  color:var(--text);
}
.breadcrumb span{
  color:var(--text-muted);
}
.page-title{
  font-size:36px;
  font-weight:800;
  letter-spacing:0.5px;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:8px;
}
.page-subtitle{
  font-size:17px;
  color:var(--text-secondary);
  max-width:760px;
}
/* Sections common */
.section{
  padding:28px 0;
}
.section-title{
  font-size:24px;
  font-weight:700;
  letter-spacing:0.3px;
  margin-bottom:20px;
  color:var(--text);
}
.section-title span{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
/* Live Promo */
.live-promo{
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:0;
  margin-top:8px;
}
.live-promo-img{
  min-height:260px;
  background-size:cover;
  background-position:center;
  position:relative;
}
.live-promo-img::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(18,16,29,0.5),rgba(18,16,29,0.1));
}
.live-promo-body{
  padding:28px 28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.live-badge{
  align-self:flex-start;
  background:var(--brand-grad);
  color:#fff;
  font-weight:700;
  font-size:13px;
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
  letter-spacing:0.6px;
}
.live-promo-title{
  font-size:26px;
  font-weight:800;
  margin-bottom:10px;
}
.live-promo-desc{
  font-size:15px;
  color:var(--text-secondary);
  margin-bottom:20px;
}
.countdown-row{
  display:flex;
  gap:12px;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.countdown-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:12px 18px;
  text-align:center;
  min-width:70px;
}
.countdown-num{
  font-size:28px;
  font-weight:800;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.countdown-label{
  font-size:12px;
  color:var(--text-muted);
}
.live-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
/* Category intro */
.category-intro{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:1fr 1.3fr;
  gap:0;
}
.category-intro-img{
  min-height:220px;
  background-size:cover;
  background-position:center;
}
.category-intro-body{
  padding:26px 28px;
}
.category-intro-body h2{
  font-size:22px;
  margin-bottom:12px;
}
.category-intro-body p{
  color:var(--text-secondary);
  font-size:15px;
}
/* News list */
.news-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.news-card{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow-card);
  transition:all var(--transition-fast);
}
.news-card:hover{
  border-color:rgba(124,58,237,0.6);
  background:var(--surface-hover);
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
}
.news-card-img{
  width:100%;
  height:130px;
  object-fit:cover;
  border-radius:var(--radius-md);
  background:var(--bg-soft);
}
.news-card-content{
  display:flex;
  flex-direction:column;
}
.news-card-top{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:8px;
  flex-wrap:wrap;
}
.news-tag{
  background:var(--brand-grad-soft);
  color:#D8B4FE;
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--border-light);
}
.news-date{
  font-size:13px;
  color:var(--text-muted);
}
.news-card-title{
  font-size:19px;
  font-weight:700;
  margin-bottom:6px;
  line-height:1.4;
}
.news-card-summary{
  font-size:14px;
  color:var(--text-secondary);
  flex:1;
}
.news-card-read{
  align-self:flex-start;
  margin-top:10px;
  font-size:14px;
  color:#D8B4FE;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color var(--transition-fast);
}
.news-card-read:hover{
  color:var(--amber);
}
/* Filter toolbar */
.filter-toolbar{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:16px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.filter-select{
  background:var(--bg-soft);
  border:1px solid var(--border);
  color:var(--text);
  border-radius:var(--radius-sm);
  padding:8px 14px;
  font-size:14px;
  min-width:140px;
  transition:border-color var(--transition-fast);
}
.filter-select:focus{
  border-color:var(--violet);
  outline:2px solid rgba(124,58,237,0.3);
}
.filter-tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.filter-tag{
  padding:6px 14px;
  border-radius:999px;
  background:var(--bg-soft);
  border:1px solid var(--border);
  color:var(--text-secondary);
  font-size:13px;
  transition:all var(--transition-fast);
  cursor:pointer;
}
.filter-tag:hover{
  border-color:var(--violet);
  color:var(--text);
}
.filter-tag.active{
  background:var(--brand-grad);
  color:#fff;
  border-color:transparent;
}
/* Tag cloud */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag-cloud-item{
  padding:8px 16px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text-secondary);
  font-size:14px;
  transition:all var(--transition-fast);
}
.tag-cloud-item:hover{
  background:var(--brand-grad-soft);
  border-color:var(--violet);
  color:var(--text);
}
/* Subscribe */
.subscribe-card{
  background:var(--brand-grad-soft);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:28px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:center;
}
.subscribe-info h2{
  font-size:22px;
  margin-bottom:10px;
}
.subscribe-info p{
  color:var(--text-secondary);
  font-size:15px;
}
.subscribe-form{
  display:flex;
  gap:10px;
}
.subscribe-input{
  flex:1;
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  color:var(--text);
  font-size:14px;
  transition:border-color var(--transition-fast);
}
.subscribe-input::placeholder{
  color:var(--text-muted);
}
.subscribe-input:focus{
  border-color:var(--violet);
  outline:2px solid rgba(124,58,237,0.2);
}
/* Related categories */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.related-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px;
  text-align:left;
  transition:all var(--transition-fast);
  display:block;
}
.related-card:hover{
  border-color:rgba(124,58,237,0.6);
  background:var(--surface-hover);
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
}
.related-card h3{
  font-size:19px;
  margin-bottom:8px;
  color:var(--text);
}
.related-card p{
  font-size:14px;
  color:var(--text-secondary);
}
/* Load more */
.load-more-wrap{
  text-align:center;
  padding:10px 0 30px;
}
.load-more-btn{
  min-width:200px;
}
/* Footer */
.footer{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  padding:48px 0 24px;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:32px;
  margin-bottom:32px;
}
.footer-about p{
  color:var(--text-secondary);
  font-size:14px;
  margin-top:12px;
  max-width:360px;
}
.footer-brand{
  font-size:26px;
  font-weight:800;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.footer-links h4{
  font-size:16px;
  margin-bottom:14px;
  color:var(--text);
}
.footer-links a{
  display:block;
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:10px;
  transition:color var(--transition-fast);
}
.footer-links a:hover{
  color:var(--text);
}
.footer-bottom{
  border-top:1px solid rgba(46,42,69,0.8);
  padding-top:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  text-align:center;
}
.footer-bottom a{
  color:var(--text-secondary);
}
.footer-bottom a:hover{
  color:var(--text);
}
/* Responsive */
@media (max-width:1024px){
  .container{
    padding:0 20px;
  }
  .nav a{
    padding:8px 10px;
    font-size:14px;
  }
  .live-promo{
    grid-template-columns:1fr;
  }
  .live-promo-img{
    min-height:200px;
  }
  .category-intro{
    grid-template-columns:1fr;
  }
  .category-intro-img{
    min-height:200px;
  }
  .news-card{
    grid-template-columns:140px 1fr;
  }
  .news-card-img{
    height:110px;
  }
  .subscribe-card{
    grid-template-columns:1fr;
  }
}
@media (max-width:768px){
  .header-inner{
    gap:12px;
  }
  .nav-toggle{
    display:flex;
  }
  .nav{
    position:absolute;
    top:var(--header-h);
    left:0;
    right:0;
    background:rgba(18,16,29,0.98);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px 20px;
    border-bottom:1px solid var(--border);
    display:none;
  }
  .nav.open{
    display:flex;
  }
  .nav a{
    padding:12px 16px;
    width:100%;
    text-align:center;
    font-size:16px;
  }
  .header-ctas .btn-ghost{
    display:none;
  }
  .header-ctas .btn-primary{
    padding:9px 14px;
    font-size:14px;
  }
  .page-title{
    font-size:30px;
  }
  .news-card{
    grid-template-columns:1fr;
  }
  .news-card-img{
    height:160px;
  }
  .filter-toolbar{
    flex-direction:column;
    align-items:stretch;
  }
  .related-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:520px){
  .container{
    padding:0 16px;
  }
  .logo{
    font-size:22px;
  }
  .btn{
    padding:9px 16px;
    font-size:14px;
  }
  .live-promo-body{
    padding:20px;
  }
  .countdown-item{
    min-width:60px;
    padding:10px 12px;
  }
  .countdown-num{
    font-size:24px;
  }
  .subscribe-form{
    flex-direction:column;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
}

/* roulang page: category2 */
:root {
            --bg: #12101D;
            --bg-soft: #17142a;
            --surface: #1D1A2E;
            --surface-hover: #282340;
            --border: #2E2A45;
            --border-light: rgba(124, 58, 237, 0.35);
            --violet: #7C3AED;
            --pink: #DB2777;
            --orange: #F97316;
            --brand-grad: linear-gradient(135deg, #7C3AED, #DB2777, #F97316);
            --brand-grad-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(219, 39, 119, 0.18), rgba(249, 115, 22, 0.18));
            --text: #F8F7FF;
            --text-secondary: #A5A0BD;
            --text-muted: #6B6585;
            --success: #34D399;
            --amber: #FBBF24;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 30px rgba(124, 58, 237, 0.12), 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 40px rgba(219, 39, 119, 0.22), 0 6px 18px rgba(0, 0, 0, 0.35);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.25);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(18, 16, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(46, 42, 69, 0.8);
            transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
        }

        .header.scrolled {
            background: rgba(18, 16, 29, 0.98);
            border-bottom-color: rgba(124, 58, 237, 0.3);
            box-shadow: var(--shadow-header);
        }

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

        .logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo small {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-left: 6px;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }

        .nav a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
            box-shadow: inset 0 -2px 0 rgba(249, 115, 22, 0.7);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 6px 18px rgba(219, 39, 119, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(219, 39, 119, 0.38);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(219, 39, 119, 0.22);
        }

        .btn-secondary {
            background: transparent;
            border-color: rgba(124, 58, 237, 0.6);
            color: #D8B4FE;
        }

        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: #7C3AED;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
            background: rgba(124, 58, 237, 0.2);
        }

        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 12px;
        }

        .btn:focus-visible,
        .nav a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--violet);
            outline-offset: 2px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(124, 58, 237, 0.12);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
            transform-origin: center;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(18, 16, 29, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }

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

        .mobile-drawer a {
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .mobile-drawer a:hover {
            background: rgba(124, 58, 237, 0.12);
            color: var(--text);
        }
        .mobile-drawer a.active {
            background: rgba(124, 58, 237, 0.18);
            color: var(--text);
            border-color: rgba(124, 58, 237, 0.3);
        }
        .mobile-drawer .drawer-ctas {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }
        .mobile-drawer .drawer-ctas .btn {
            flex: 1;
        }

        /* Main */
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 32px 0 0;
            background: var(--bg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li + li::before {
            content: "/";
            color: var(--text-muted);
            font-size: 12px;
            margin-right: 4px;
        }

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

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

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Page Header / H1 */
        .page-header {
            padding: 36px 0 28px;
            background: var(--bg);
        }

        .page-header h1 {
            font-size: 44px;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-header .subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Section */
        .section {
            padding: 48px 0;
            background: var(--bg);
        }

        .section-alt {
            background: var(--bg-soft);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 8px;
            color: var(--text);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        /* Category intro card */
        .cat-intro-card {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 0;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

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

        .cat-intro-media {
            position: relative;
            min-height: 260px;
            overflow: hidden;
        }

        .cat-intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .cat-intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18, 16, 29, 0.15) 0%, rgba(18, 16, 29, 0.75) 100%);
            pointer-events: none;
        }

        .cat-intro-content {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }

        .cat-intro-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
        }

        .cat-intro-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
        }

        .cat-intro-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            padding-top: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .cat-intro-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .cat-intro-stat .num {
            font-size: 22px;
            font-weight: 700;
            color: var(--success);
            letter-spacing: 0.5px;
        }

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

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

        .review-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }

        .review-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(124, 58, 237, 0.55);
            background: var(--surface-hover);
        }

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

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

        .review-card:hover .review-card-media img {
            transform: scale(1.05);
        }

        .review-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(18, 16, 29, 0.55) 0%, transparent 45%);
            pointer-events: none;
        }

        .score-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--bg);
            border: 2px solid transparent;
            background-image: linear-gradient(var(--bg), var(--bg)), var(--brand-grad);
            background-origin: border-box;
            background-clip: content-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 1px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
        }

        .score-badge .score-num {
            font-size: 20px;
            font-weight: 800;
            line-height: 1;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .score-badge .score-label {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 1px;
        }

        .review-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .review-card-category {
            display: inline-flex;
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(124, 58, 237, 0.15);
            color: #C4B5FD;
            letter-spacing: 0.5px;
        }

        .review-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        .review-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            flex: 1;
        }

        .review-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .review-card-meta .divider {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--border);
        }

        .review-tag-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .mini-tag {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 14px;
            background: #262238;
            color: #C4B5FD;
            letter-spacing: 0.3px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mini-tag:hover {
            background: rgba(124, 58, 237, 0.3);
            color: #fff;
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .filter-select {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 14px;
            color: var(--text);
            cursor: pointer;
            transition: border-color var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23A5A0BD' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 34px;
            min-width: 140px;
        }

        .filter-select:focus {
            border-color: var(--violet);
        }

        .filter-pills {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-pill {
            padding: 7px 16px;
            border-radius: 20px;
            background: #262238;
            color: #C4B5FD;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-pill:hover {
            background: rgba(124, 58, 237, 0.22);
            color: #fff;
            border-color: rgba(124, 58, 237, 0.35);
        }

        .filter-pill.active {
            background: var(--brand-grad);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(219, 39, 119, 0.3);
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud-item {
            padding: 8px 18px;
            border-radius: 22px;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .tag-cloud-item:hover {
            background: var(--surface-hover);
            border-color: rgba(124, 58, 237, 0.4);
            color: var(--text);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.15);
        }

        /* Subscribe section */
        .subscribe-card {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 28px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .subscribe-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .subscribe-info p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

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

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition-fast);
        }

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

        .subscribe-form input:focus {
            border-color: var(--violet);
        }

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

        .related-card {
            display: flex;
            flex-direction: column;
            gap: 12px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

        .related-card:hover {
            border-color: rgba(124, 58, 237, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            background: var(--surface-hover);
        }

        .related-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--brand-grad-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .related-card .related-link {
            font-size: 13px;
            font-weight: 600;
            color: #D8B4FE;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
            align-self: flex-start;
        }

        .related-card .related-link:hover {
            color: #fff;
        }

        .related-card .related-link::after {
            content: "→";
            font-size: 14px;
            transition: transform var(--transition-fast);
        }

        .related-card:hover .related-link::after {
            transform: translateX(4px);
        }

        /* Load more */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            padding: 20px 0 8px;
        }

        .load-more-btn {
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1.5px dashed rgba(124, 58, 237, 0.5);
            color: #D8B4FE;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .load-more-btn:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: var(--violet);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(124, 58, 237, 0.2);
        }

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

        /* Footer */
        .footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            margin-top: auto;
        }

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

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-about p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .subscribe-card {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .container {
                padding: 0 20px;
            }
            .nav {
                display: none;
            }
            .header-ctas .btn-secondary {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: none;
            }
            .mobile-drawer.open {
                display: flex;
            }
            .page-header h1 {
                font-size: 32px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cat-intro-card {
                grid-template-columns: 1fr;
            }
            .cat-intro-media {
                min-height: 180px;
            }
            .cat-intro-content {
                padding: 20px 22px;
            }
            .review-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 14px 16px;
            }
            .filter-group {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }
            .filter-pills {
                gap: 6px;
            }
            .filter-pill {
                padding: 6px 12px;
                font-size: 12px;
            }
            .subscribe-card {
                padding: 20px;
                gap: 16px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-about p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: left;
            }
            .header .logo {
                font-size: 22px;
            }
            .header .logo small {
                font-size: 11px;
            }
            .header-ctas .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .breadcrumb-wrap {
                padding-top: 20px;
            }
            .page-header {
                padding: 24px 0 20px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header .subtitle {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-header h1 {
                font-size: 24px;
                letter-spacing: 0;
            }
            .page-header .subtitle {
                font-size: 14px;
                line-height: 1.7;
            }
            .score-badge {
                width: 48px;
                height: 48px;
                top: 10px;
                right: 10px;
            }
            .score-badge .score-num {
                font-size: 17px;
            }
            .review-card-body {
                padding: 16px 16px 18px;
            }
            .review-card-title {
                font-size: 17px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
            .cat-intro-content h2 {
                font-size: 20px;
            }
            .cat-intro-content p {
                font-size: 14px;
            }
            .subscribe-info h3 {
                font-size: 19px;
            }
            .related-grid {
                gap: 12px;
            }
            .related-card {
                padding: 18px 16px;
            }
            .section-title {
                font-size: 21px;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #12101D;
            --bg-soft: #17142a;
            --surface: #1D1A2E;
            --surface-hover: #282340;
            --border: #2E2A45;
            --border-light: rgba(124, 58, 237, 0.35);
            --violet: #7C3AED;
            --pink: #DB2777;
            --orange: #F97316;
            --brand-grad: linear-gradient(135deg, #7C3AED, #DB2777, #F97316);
            --brand-grad-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(219, 39, 119, 0.18), rgba(249, 115, 22, 0.18));
            --text: #F8F7FF;
            --text-secondary: #A5A0BD;
            --text-muted: #6B6585;
            --success: #34D399;
            --amber: #FBBF24;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 30px rgba(124, 58, 237, 0.12), 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 40px rgba(219, 39, 119, 0.22), 0 6px 18px rgba(0, 0, 0, 0.35);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.25);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(18, 16, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(46, 42, 69, 0.8);
            transition: background var(--transition-slow), border-color var(--transition-slow);
        }

        .header.scrolled {
            background: rgba(18, 16, 29, 0.98);
            border-bottom-color: rgba(124, 58, 237, 0.3);
        }

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

        .logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo small {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-left: 6px;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav a {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }

        .nav a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
            box-shadow: inset 0 -2px 0 rgba(249, 115, 22, 0.7);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 6px 18px rgba(219, 39, 119, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(219, 39, 119, 0.38);
        }

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

        .btn-secondary {
            background: transparent;
            color: #D8B4FE;
            border-color: var(--violet);
        }

        .btn-secondary:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: #A78BFA;
            color: #EDE9FE;
            transform: translateY(-2px);
        }

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

        .burger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 4px;
            cursor: pointer;
            z-index: 1100;
        }

        .burger-btn span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .burger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .burger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .burger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(18, 16, 29, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            z-index: 999;
            padding: 20px 24px 28px;
            flex-direction: column;
            gap: 12px;
            max-height: calc(100vh - var(--header-h));
            overflow-y: auto;
        }

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

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

        .mobile-menu a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }

        .mobile-menu a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
        }

        .mobile-ctas {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }

        .mobile-ctas .btn {
            flex: 1;
            padding: 12px 16px;
        }

        main {
            flex: 1;
        }

        .breadcrumb-section {
            padding: 32px 0 8px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: #D8B4FE;
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            pointer-events: none;
        }

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

        .page-hero {
            padding: 16px 0 32px;
        }

        .page-hero h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .intro-card-section {
            padding: 24px 0 36px;
        }

        .intro-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .intro-card .intro-content {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .intro-card .intro-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .intro-card .intro-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .intro-card .intro-content .intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .intro-card .intro-content .intro-tags .tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid var(--border);
        }

        .intro-card .intro-image {
            min-height: 300px;
            position: relative;
            overflow: hidden;
        }

        .intro-card .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .intro-card .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(18, 16, 29, 0.7));
            pointer-events: none;
        }

        .guide-list-section {
            padding: 16px 0 28px;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header h2 {
            font-size: 22px;
            font-weight: 700;
        }

        .section-header .result-count {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .guide-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-grad);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .guide-card:hover {
            background: var(--surface-hover);
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .guide-card:hover::before {
            opacity: 1;
        }

        .guide-card .guide-step-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: var(--brand-grad-soft);
            color: #D8B4FE;
            border: 1px solid rgba(124, 58, 237, 0.3);
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text);
        }

        .guide-card h3 a:hover {
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .guide-card .guide-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .guide-card .guide-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .guide-card .guide-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card .guide-meta .meta-item svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        .guide-card.with-image {
            padding: 0;
            overflow: hidden;
            display: grid;
            grid-template-rows: auto 1fr;
        }

        .guide-card.with-image .card-image {
            position: relative;
            aspect-ratio: 16/7;
            overflow: hidden;
        }

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

        .guide-card.with-image:hover .card-image img {
            transform: scale(1.04);
        }

        .guide-card.with-image .card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .filter-toolbar {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin: 8px 0 24px;
        }

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

        .filter-toolbar .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }

        .filter-toolbar select {
            background: #262238;
            color: var(--text);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 14px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A5A0BD' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
            transition: border-color var(--transition-fast);
        }

        .filter-toolbar select:focus {
            border-color: var(--violet);
            box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
        }

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

        .filter-pills .pill {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 13px;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-pills .pill:hover {
            border-color: var(--violet);
            color: var(--text);
        }

        .filter-pills .pill.active {
            background: var(--brand-grad);
            color: #fff;
            border-color: transparent;
        }

        .tag-cloud-section {
            padding: 32px 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-cloud .tag:hover {
            border-color: var(--violet);
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }

        .tag-cloud .tag.special {
            background: var(--brand-grad-soft);
            border-color: rgba(124, 58, 237, 0.3);
            color: #D8B4FE;
        }

        .subscribe-section {
            padding: 32px 0;
        }

        .subscribe-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .subscribe-card h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 300px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }

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

        .subscribe-form input:focus {
            border-color: var(--violet);
            box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
        }

        .related-section {
            padding: 32px 0;
        }

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

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }

        .related-card:hover {
            background: var(--surface-hover);
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .related-card .related-icon {
            font-size: 32px;
            margin-bottom: 12px;
            display: block;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .load-more-section {
            padding: 16px 0 48px;
            text-align: center;
        }

        .btn-load-more {
            padding: 12px 36px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #D8B4FE;
            border: 1px solid var(--violet);
            transition: all var(--transition-fast);
        }

        .btn-load-more:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: #A78BFA;
            color: #EDE9FE;
            transform: translateY(-2px);
        }

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

        .footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 48px 24px 24px;
            margin-top: auto;
        }

        .footer .container {
            padding: 0;
        }

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

        .footer-about .footer-brand {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }

        .footer-about p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #D8B4FE;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #D8B4FE;
        }

        .footer-bottom div {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .footer-bottom div:last-child {
            flex-direction: row;
            justify-content: center;
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .nav {
                gap: 2px;
            }
            .nav a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .header-ctas .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .guide-card-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-ctas {
                display: none;
            }
            .burger-btn {
                display: flex;
            }
            .nav {
                display: none;
            }
            .intro-card {
                grid-template-columns: 1fr;
            }
            .intro-card .intro-image {
                min-height: 220px;
                order: -1;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-card {
                grid-template-columns: 1fr;
            }
            .subscribe-form {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .guide-card-grid {
                gap: 16px;
            }
            .guide-card {
                padding: 18px;
            }
            .guide-card.with-image .card-body {
                padding: 16px 18px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .breadcrumb-section {
                padding: 20px 0 4px;
            }
            .page-hero {
                padding: 12px 0 24px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .intro-card .intro-content {
                padding: 24px 18px;
            }
            .guide-card h3 {
                font-size: 16px;
            }
            .section-header h2 {
                font-size: 18px;
            }
            .filter-pills .pill {
                font-size: 12px;
                padding: 6px 12px;
            }
            .tag-cloud .tag {
                font-size: 13px;
                padding: 7px 14px;
            }
            .subscribe-card {
                padding: 24px 18px;
            }
            .footer {
                padding: 32px 16px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --bg: #12101D;
            --bg-soft: #17142a;
            --surface: #1D1A2E;
            --surface-hover: #282340;
            --border: #2E2A45;
            --border-light: rgba(124, 58, 237, 0.35);
            --violet: #7C3AED;
            --pink: #DB2777;
            --orange: #F97316;
            --brand-grad: linear-gradient(135deg, #7C3AED, #DB2777, #F97316);
            --brand-grad-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(219, 39, 119, 0.18), rgba(249, 115, 22, 0.18));
            --text: #F8F7FF;
            --text-secondary: #A5A0BD;
            --text-muted: #6B6585;
            --success: #34D399;
            --amber: #FBBF24;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 30px rgba(124, 58, 237, 0.12), 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 40px rgba(219, 39, 119, 0.22), 0 6px 18px rgba(0, 0, 0, 0.35);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.25);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(18, 16, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(46, 42, 69, 0.8);
            transition: background var(--transition-slow), border-color var(--transition-slow);
        }
        .header.scrolled {
            background: rgba(18, 16, 29, 0.98);
            border-bottom-color: rgba(124, 58, 237, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }
        .logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo small {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-left: 6px;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }
        .nav a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
            box-shadow: inset 0 -2px 0 rgba(249, 115, 22, 0.7);
        }
        .header-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 6px 18px rgba(219, 39, 119, 0.28);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(219, 39, 119, 0.38);
            color: #fff;
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(124, 58, 237, 0.6);
            color: #D8B4FE;
        }
        .btn-ghost:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: rgba(124, 58, 237, 0.9);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 2px solid var(--orange);
            outline-offset: 2px;
        }
        .btn-outline-sm {
            padding: 6px 14px;
            font-size: 13px;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .btn-outline-sm:hover {
            border-color: var(--violet);
            color: var(--text);
            background: rgba(124, 58, 237, 0.1);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: rgba(29, 26, 46, 0.6);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        main {
            flex: 1;
            padding-bottom: 0;
        }
        .page-section {
            padding: 60px 0;
        }
        .page-section-sm {
            padding: 36px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--violet);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }
        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 18px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-wrap a:hover {
            color: var(--text);
        }
        .breadcrumb-wrap .sep {
            color: var(--text-muted);
        }
        .breadcrumb-wrap .current {
            color: var(--orange);
            font-weight: 600;
        }
        .activity-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-fast);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .activity-card:hover {
            border-color: rgba(124, 58, 237, 0.6);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            background: var(--surface-hover);
        }
        .activity-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand-grad);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .activity-card:hover::before {
            opacity: 1;
        }
        .activity-card .date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(124, 58, 237, 0.15);
            color: #D8B4FE;
            border: 1px solid rgba(124, 58, 237, 0.35);
            white-space: nowrap;
        }
        .activity-card .date-badge.live {
            background: rgba(52, 211, 153, 0.12);
            color: var(--success);
            border-color: rgba(52, 211, 153, 0.35);
        }
        .activity-card .date-badge.upcoming {
            background: rgba(251, 191, 36, 0.12);
            color: var(--amber);
            border-color: rgba(251, 191, 36, 0.35);
        }
        .activity-card .date-badge.ended {
            background: rgba(107, 101, 133, 0.2);
            color: var(--text-muted);
            border-color: rgba(107, 101, 133, 0.3);
        }
        .activity-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 14px 0 8px;
            color: var(--text);
            line-height: 1.4;
        }
        .activity-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .activity-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .activity-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .activity-card .reward-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(249, 115, 22, 0.15);
            color: var(--orange);
            border: 1px solid rgba(249, 115, 22, 0.3);
        }
        .activity-card .card-image {
            width: 100%;
            height: 160px;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--bg-soft);
            position: relative;
        }
        .activity-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .activity-card:hover .card-image img {
            transform: scale(1.04);
        }
        .activity-card .card-image .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(18, 16, 29, 0.7));
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            padding: 16px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        }
        .filter-bar select {
            padding: 8px 16px;
            border-radius: 8px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
            min-width: 120px;
        }
        .filter-bar select:focus {
            border-color: var(--violet);
            outline: none;
        }
        .filter-bar .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
        }
        .filter-bar .filter-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-bar .filter-tag:hover {
            border-color: var(--border-light);
            color: var(--text);
        }
        .filter-bar .filter-tag.active-tag {
            background: var(--brand-grad);
            color: #fff;
            border-color: transparent;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud .cloud-tag {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .tag-cloud .cloud-tag:hover {
            border-color: var(--violet);
            color: var(--text);
            background: var(--surface-hover);
            transform: translateY(-2px);
        }
        .guide-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: row;
            gap: 24px;
            transition: all var(--transition-fast);
        }
        .guide-card:hover {
            border-color: rgba(124, 58, 237, 0.5);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .guide-card .guide-image {
            flex: 0 0 340px;
            min-height: 220px;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
            overflow: hidden;
            position: relative;
        }
        .guide-card .guide-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-card .guide-image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 16, 29, 0.3), rgba(124, 58, 237, 0.35));
        }
        .guide-card .guide-body {
            flex: 1;
            padding: 24px 24px 24px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .guide-card .guide-body h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .guide-card .guide-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-fast);
            display: block;
            height: 100%;
        }
        .related-card:hover {
            border-color: rgba(124, 58, 237, 0.6);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            background: var(--surface-hover);
            color: var(--text);
        }
        .related-card .related-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-grad-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
        }
        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .subscribe-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        .subscribe-card .sub-info {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-card .sub-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .subscribe-card .sub-info p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .subscribe-card .sub-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 280px;
            flex: 0 0 auto;
        }
        .subscribe-card .sub-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .subscribe-card .sub-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .subscribe-card .sub-form input[type="email"]:focus {
            border-color: var(--violet);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }
        .subscribe-card .sub-form .btn-primary {
            padding: 10px 24px;
            white-space: nowrap;
        }
        .load-more-wrap {
            text-align: center;
            padding: 20px 0 10px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 36px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            border: 1px solid rgba(124, 58, 237, 0.5);
            color: #D8B4FE;
            transition: all var(--transition-fast);
        }
        .load-more-btn:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: rgba(124, 58, 237, 0.8);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(124, 58, 237, 0.2);
        }
        .footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-about .footer-brand {
            font-size: 24px;
            font-weight: 800;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }
        .footer-about p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 360px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }
        .footer-links a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-fast), transform var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--text);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--text);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            background: rgba(18, 16, 29, 0.98);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            padding: 20px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 6px;
            max-height: calc(100vh - var(--header-h));
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover, .mobile-menu a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.15);
        }
        @media (max-width: 1024px) {
            .nav {
                gap: 2px;
            }
            .nav a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .guide-card .guide-image {
                flex: 0 0 260px;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav {
                display: none;
            }
            .header-ctas {
                gap: 6px;
            }
            .header-ctas .btn-ghost {
                padding: 8px 12px;
                font-size: 13px;
            }
            .header-ctas .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
            .page-section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .guide-card {
                flex-direction: column;
            }
            .guide-card .guide-image {
                flex: 0 0 auto;
                min-height: 180px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .guide-card .guide-body {
                padding: 16px 20px 20px;
            }
            .subscribe-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
            .subscribe-card .sub-form {
                width: 100%;
            }
            .subscribe-card .sub-form input[type="email"] {
                min-width: 0;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-about {
                grid-column: 1 / -1;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-bar .filter-tags {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header {
                height: 60px;
            }
            .header-inner {
                height: 60px;
                gap: 10px;
            }
            .logo {
                font-size: 20px;
            }
            .logo small {
                font-size: 10px;
                letter-spacing: 1px;
            }
            .header-ctas .btn-ghost {
                display: none;
            }
            .header-ctas .btn-primary {
                padding: 6px 12px;
                font-size: 12px;
            }
            .section-title {
                font-size: 20px;
            }
            .activity-card {
                padding: 18px;
            }
            .activity-card .card-image {
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-about {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .mobile-menu {
                padding: 16px;
            }
        }

/* roulang page: category6 */
:root {
            --bg: #12101D;
            --bg-soft: #17142a;
            --surface: #1D1A2E;
            --surface-hover: #282340;
            --border: #2E2A45;
            --border-light: rgba(124, 58, 237, 0.35);
            --violet: #7C3AED;
            --pink: #DB2777;
            --orange: #F97316;
            --brand-grad: linear-gradient(135deg, #7C3AED, #DB2777, #F97316);
            --brand-grad-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(219, 39, 119, 0.18), rgba(249, 115, 22, 0.18));
            --text: #F8F7FF;
            --text-secondary: #A5A0BD;
            --text-muted: #6B6585;
            --success: #34D399;
            --amber: #FBBF24;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 30px rgba(124, 58, 237, 0.12), 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 40px rgba(219, 39, 119, 0.22), 0 6px 18px rgba(0, 0, 0, 0.35);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.25);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header ========== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(18, 16, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(46, 42, 69, 0.8);
            transition: background var(--transition-slow), border-color var(--transition-slow);
        }

        .header.scrolled {
            background: rgba(18, 16, 29, 0.98);
            border-bottom-color: rgba(124, 58, 237, 0.3);
            box-shadow: var(--shadow-header);
        }

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

        .logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo small {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-left: 6px;
        }

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

        .nav a {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }

        .nav a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
            box-shadow: inset 0 -2px 0 rgba(249, 115, 22, 0.7);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 6px 18px rgba(219, 39, 119, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(219, 39, 119, 0.38);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--violet);
            color: #D8B4FE;
        }

        .btn-outline:hover {
            border-color: #a78bfa;
            background: rgba(124, 58, 237, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .nav a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--violet);
            outline-offset: 2px;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger:hover {
            border-color: var(--border-light);
            background: var(--surface-hover);
        }

        .hamburger:hover span {
            background: var(--text);
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: rgba(18, 16, 29, 0.99);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 12px;
            border-top: 1px solid var(--border);
        }

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

        .mobile-drawer a {
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 17px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
        }

        .mobile-drawer a:hover {
            color: var(--text);
            background: var(--surface-hover);
            border-color: var(--border-light);
        }

        .mobile-drawer a.active {
            color: #fff;
            background: rgba(124, 58, 237, 0.2);
            border-color: var(--border-light);
        }

        .mobile-drawer-ctas {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }

        .mobile-drawer-ctas .btn {
            flex: 1;
        }

        /* ========== Main ========== */
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        section {
            padding: 56px 0;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 32px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

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

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

        /* Category Hero */
        .category-hero {
            padding: 20px 0 12px;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 10px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero .cat-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
        }

        /* Section heading */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: 0.4px;
            color: var(--text);
        }

        .section-head h2 .grad {
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* ========== Intro Card ========== */
        .intro-card {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
        }

        .intro-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-card-hover);
        }

        .intro-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }

        .intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.75;
        }

        .intro-text .stat-row {
            display: flex;
            gap: 28px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .intro-text .stat-item {
            display: flex;
            flex-direction: column;
        }

        .intro-text .stat-num {
            font-size: 24px;
            font-weight: 800;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .intro-image {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 240px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .intro-image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(145deg, rgba(124, 58, 237, 0.2) 0%, rgba(219, 39, 119, 0.08) 50%, rgba(249, 115, 22, 0.12) 100%);
            pointer-events: none;
        }

        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

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

        .filter-tag {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--border-light);
            color: #fff;
        }

        .filter-tag.active {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 4px 14px rgba(219, 39, 119, 0.25);
        }

        .sort-select-wrapper {
            position: relative;
            flex-shrink: 0;
        }

        .sort-select-wrapper select {
            appearance: none;
            -webkit-appearance: none;
            padding: 8px 36px 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            color: var(--text-secondary);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            min-width: 140px;
        }

        .sort-select-wrapper select:hover,
        .sort-select-wrapper select:focus {
            border-color: var(--border-light);
            color: var(--text);
        }

        .sort-select-wrapper::after {
            content: "▾";
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 12px;
            pointer-events: none;
        }

        /* ========== Resource List ========== */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .resource-card {
            display: grid;
            grid-template-columns: 180px 1fr auto;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }

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

        .resource-card .thumb {
            width: 180px;
            height: 110px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            flex-shrink: 0;
        }

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

        .resource-info {
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }

        .resource-info .rc-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .resource-info .version-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 999px;
            background: rgba(124, 58, 237, 0.22);
            color: #C4B5FD;
        }

        .resource-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .resource-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .resource-meta .green {
            color: var(--success);
        }

        .resource-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .resource-actions {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
            flex-shrink: 0;
            min-width: 110px;
        }

        .btn-download {
            background: var(--brand-grad);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            text-align: center;
            box-shadow: 0 4px 14px rgba(219, 39, 119, 0.25);
        }

        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(219, 39, 119, 0.38);
        }

        .btn-detail {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .btn-detail:hover {
            border-color: var(--border-light);
            color: var(--text);
            background: rgba(124, 58, 237, 0.1);
        }

        /* ========== Tag Cloud ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 8px 0;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .tag-cloud a:hover {
            border-color: var(--border-light);
            background: var(--surface-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ========== Subscribe ========== */
        .subscribe-card {
            background: var(--brand-grad-soft);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .subscribe-card h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .subscribe-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 15px;
            transition: all var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--violet);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        .subscribe-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 12px;
        }

        /* ========== Related Categories ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

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

        .related-card .rel-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--brand-grad-soft);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .related-card .rel-link {
            font-size: 13px;
            font-weight: 600;
            color: #C4B5FD;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            background: rgba(124, 58, 237, 0.12);
            transition: all var(--transition-fast);
        }

        .related-card .rel-link:hover {
            background: rgba(124, 58, 237, 0.25);
            color: #fff;
        }

        /* ========== Load More ========== */
        .load-more-wrap {
            text-align: center;
            padding: 16px 0 8px;
        }

        .btn-load-more {
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 12px 36px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .btn-load-more:hover {
            border-color: var(--border-light);
            color: #fff;
            background: var(--surface-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 56px 0 28px;
            margin-top: 24px;
        }

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

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }

        .footer-about p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: all var(--transition-fast);
        }

        .footer-links a:hover {
            color: #C4B5FD;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #C4B5FD;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .nav a {
                padding: 8px 8px;
                font-size: 14px;
            }
            .nav {
                gap: 2px;
            }
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .resource-card {
                grid-template-columns: 140px 1fr auto;
                gap: 14px;
            }
            .resource-card .thumb {
                width: 140px;
                height: 90px;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
            .nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-ctas .btn-outline {
                display: none;
            }
            .header-ctas .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
            .header-inner {
                gap: 12px;
            }
            .logo {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .intro-card {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .intro-image {
                min-height: 180px;
                order: -1;
            }
            .resource-card {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 14px;
            }
            .resource-card .thumb {
                width: 100%;
                height: 150px;
            }
            .resource-actions {
                flex-direction: row;
                min-width: auto;
                gap: 10px;
            }
            .btn-download,
            .btn-detail {
                flex: 1;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-ctas .btn-primary {
                padding: 7px 14px;
                font-size: 12px;
            }
            .logo {
                font-size: 20px;
            }
            .logo small {
                font-size: 11px;
                letter-spacing: 1px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .section-head h2 {
                font-size: 19px;
            }
            .breadcrumb-section {
                padding: 20px 0 0;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .resource-card .thumb {
                height: 130px;
            }
            .resource-actions {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer {
                padding: 36px 0 20px;
            }
            .intro-card {
                padding: 16px;
            }
            .intro-text .stat-row {
                gap: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --bg: #12101D;
            --bg-soft: #17142a;
            --surface: #1D1A2E;
            --surface-hover: #282340;
            --border: #2E2A45;
            --border-light: rgba(124, 58, 237, 0.35);
            --violet: #7C3AED;
            --pink: #DB2777;
            --orange: #F97316;
            --brand-grad: linear-gradient(135deg, #7C3AED, #DB2777, #F97316);
            --brand-grad-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(219, 39, 119, 0.18), rgba(249, 115, 22, 0.18));
            --text: #F8F7FF;
            --text-secondary: #A5A0BD;
            --text-muted: #6B6585;
            --success: #34D399;
            --amber: #FBBF24;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 30px rgba(124, 58, 237, 0.12), 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 40px rgba(219, 39, 119, 0.22), 0 6px 18px rgba(0, 0, 0, 0.35);
            --shadow-header: 0 2px 20px rgba(0, 0, 0, 0.25);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(18, 16, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(46, 42, 69, 0.8);
            transition: background var(--transition-slow), border-color var(--transition-slow);
        }

        .header.scrolled {
            background: rgba(18, 16, 29, 0.98);
            border-bottom-color: rgba(124, 58, 237, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 16px;
        }

        .logo {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo small {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            -webkit-text-fill-color: var(--text-secondary);
            background: none;
            margin-left: 6px;
        }

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

        .nav a {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav a:hover {
            color: var(--text);
            background: rgba(124, 58, 237, 0.12);
        }

        .nav a.active {
            color: var(--text);
            background: rgba(124, 58, 237, 0.18);
            box-shadow: inset 0 -2px 0 rgba(249, 115, 22, 0.7);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-grad);
            color: #fff;
            box-shadow: 0 6px 18px rgba(219, 39, 119, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(219, 39, 119, 0.38);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid var(--violet);
            color: #D8B4FE;
            padding: 9px 20px;
        }

        .btn-ghost:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: #A78BFA;
            color: #EDE9FE;
            transform: translateY(-1px);
        }

        /* Mobile Menu */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 36px;
            padding: 6px;
            border-radius: var(--radius-sm);
            background: rgba(124, 58, 237, 0.12);
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Main */
        main {
            flex: 1;
        }

        section {
            padding: 56px 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 32px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: #C4B5FD;
            text-transform: uppercase;
        }

        .section-tag::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--brand-grad);
            border-radius: 2px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.8;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 48px 0 0;
        }

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

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

        .breadcrumb .separator {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: #C4B5FD;
            font-weight: 600;
        }

        /* Page H1 */
        .page-hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.5px;
            padding: 16px 0 12px;
        }

        .page-hero-title .gradient {
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Category Intro Card */
        .category-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .category-intro-text {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .category-intro-text h2 {
            font-size: 22px;
            font-weight: 700;
        }

        .category-intro-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.9;
        }

        .category-intro-image img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 230px;
            object-fit: cover;
            background: var(--bg-soft);
        }

        /* Filter / Sort Toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 24px;
        }

        .filter-toolbar label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .filter-toolbar select {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            padding: 8px 12px;
            font-size: 14px;
            font-family: inherit;
            outline: none;
            cursor: pointer;
            min-width: 110px;
            transition: border-color var(--transition-fast);
        }

        .filter-toolbar select:focus {
            border-color: var(--violet);
        }

        .filter-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .filter-pill {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .filter-pill:hover {
            border-color: var(--border-light);
            color: var(--text);
        }

        .filter-pill.active {
            background: var(--brand-grad);
            color: #fff;
            font-weight: 600;
        }

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

        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .card:hover {
            background: var(--surface-hover);
            border-color: rgba(124, 58, 237, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-soft);
        }

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

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

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            background: #262238;
            color: #C4B5FD;
            align-self: flex-start;
        }

        .card-tag.green {
            background: rgba(52, 211, 153, 0.12);
            color: var(--success);
        }

        .card-tag.orange {
            background: rgba(249, 115, 22, 0.12);
            color: var(--orange);
        }

        .card-tag.pink {
            background: rgba(219, 39, 119, 0.12);
            color: #F9A8D4;
        }

        .card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
        }

        .card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }

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

        .card-stat {
            font-weight: 700;
            color: var(--text);
        }

        .card-stat.success {
            color: var(--success);
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .tag-cloud a {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            background: #262238;
            color: #C4B5FD;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .tag-cloud a:hover {
            border-color: var(--border-light);
            color: var(--text);
            background: var(--surface-hover);
            transform: translateY(-2px);
        }

        /* Subscribe Section */
        .subscribe-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
            background: var(--brand-grad-soft);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .subscribe-box h3 {
            font-size: 22px;
            font-weight: 700;
        }

        .subscribe-box p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

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

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text);
            font-family: inherit;
            transition: border-color var(--transition-fast);
        }

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

        .subscribe-form input:focus {
            border-color: var(--violet);
        }

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

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            display: block;
        }

        .related-card:hover {
            background: var(--surface-hover);
            border-color: rgba(124, 58, 237, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .related-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Load More */
        .load-more-wrap {
            text-align: center;
            padding: 16px 0 32px;
        }

        .btn-load {
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            border: 1px solid var(--violet);
            color: #D8B4FE;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .btn-load:hover {
            background: rgba(124, 58, 237, 0.12);
            border-color: #A78BFA;
            color: #EDE9FE;
            transform: translateY(-2px);
        }

        /* Footer */
        .footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: 32px;
        }

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

        .footer-about .footer-brand {
            font-size: 24px;
            font-weight: 800;
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .footer-about p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .nav a {
                padding: 8px 9px;
                font-size: 13px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-intro {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero-title {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 10px;
            }
            .nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(18, 16, 29, 0.98);
                border-bottom: 1px solid var(--border);
                padding: 16px 20px;
                gap: 4px;
                align-items: stretch;
                box-shadow: var(--shadow-header);
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .header-ctas .btn-ghost {
                display: none;
            }
            .header-ctas .btn-primary {
                padding: 9px 16px;
                font-size: 13px;
            }
            .logo {
                font-size: 20px;
            }
            .logo small {
                font-size: 11px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-box {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .page-hero-title {
                font-size: 26px;
            }
            section {
                padding: 36px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb {
                padding-top: 28px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero-title {
                font-size: 22px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn {
                padding: 9px 16px;
                font-size: 13px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-toolbar select {
                width: 100%;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}