/* roulang page: index */
:root {
            --color-bg: #F7F4EF;
            --color-surface: #FBF9F5;
            --color-surface-white: #FFFFFF;
            --color-border: #E7E1D7;
            --color-ink: #1F2421;
            --color-text-muted: #5C635D;
            --color-dark: #1F2421;
            --color-accent: #C4612F;
            --color-accent-hover: #A94E22;
            --color-accent-tint: #F2E3D6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 3px rgba(31, 36, 33, 0.08);
            --shadow-md: 0 4px 12px rgba(31, 36, 33, 0.1);
            --shadow-lg: 0 8px 24px rgba(31, 36, 33, 0.12);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4rem;
            --spacing-3xl: 6rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            font-weight: 300;
            line-height: 1.6;
            color: var(--color-ink);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

        a:hover {
            color: var(--color-accent);
        }

        button, input, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(251, 249, 245, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-ink);
            letter-spacing: -0.02em;
        }

        .logo em {
            color: var(--color-accent);
            font-style: italic;
        }

        .nav {
            display: flex;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .nav a {
            font-size: 0.95rem;
            font-weight: 400;
            color: var(--color-text-muted);
            transition: color 0.2s ease;
        }

        .nav a:hover,
        .nav a.active {
            color: var(--color-accent);
        }

        .hero {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: var(--color-dark);
            color: var(--color-surface);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.3;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: var(--spacing-3xl) var(--spacing-md);
            text-align: center;
        }

        .hero-eyebrow {
            display: inline-block;
            padding: var(--spacing-xs) var(--spacing-md);
            background: var(--color-accent-tint);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }

        .hero-title {
            font-family: 'Playfair Display', serif;
            font-size: 3.5rem;
            font-weight: 500;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-md);
            color: var(--color-surface-white);
        }

        .hero-title em {
            color: var(--color-accent);
            font-style: italic;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            font-weight: 300;
            color: rgba(251, 249, 245, 0.85);
            max-width: 680px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        .hero-cta {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 2rem;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-surface-white);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: var(--color-surface-white);
        }

        .btn-secondary {
            background: var(--color-surface-white);
            color: var(--color-ink);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: var(--color-surface);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--color-ink);
        }

        .section {
            padding: var(--spacing-3xl) 0;
        }

        .section-alt {
            background: var(--color-surface-white);
        }

        .section-dark {
            background: var(--color-dark);
            color: var(--color-surface);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--spacing-2xl);
        }

        .section-eyebrow {
            display: inline-block;
            padding: var(--spacing-xs) var(--spacing-md);
            background: var(--color-accent-tint);
            color: var(--color-accent);
            font-size: 0.85rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .section-title {
            font-family: 'Playfair Display', serif;
            font-size: 2.5rem;
            font-weight: 500;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
        }

        .section-title em {
            color: var(--color-accent);
            font-style: italic;
        }

        .section-subtitle {
            font-size: 1.05rem;
            font-weight: 300;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: rgba(251, 249, 245, 0.75);
        }

        .grid {
            display: grid;
            gap: var(--spacing-lg);
        }

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

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

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

        .card {
            background: var(--color-surface-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            border: 1px solid var(--color-border);
        }

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

        .card-image {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .card-content {
            padding: var(--spacing-md);
        }

        .card-badge {
            display: inline-block;
            padding: 0.3rem 0.75rem;
            background: var(--color-accent-tint);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            margin-bottom: var(--spacing-sm);
        }

        .card-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.35rem;
            font-weight: 500;
            line-height: 1.3;
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-accent);
            font-size: 0.9rem;
            font-weight: 500;
            transition: gap 0.2s ease;
        }

        .card-link:hover {
            gap: 0.75rem;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .feature-item {
            text-align: center;
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto var(--spacing-md);
            background: var(--color-accent-tint);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
        }

        .feature-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.25rem;
            font-weight: 500;
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

        .feature-text {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .section-dark .feature-text {
            color: rgba(251, 249, 245, 0.75);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-family: 'Playfair Display', serif;
            font-size: 3rem;
            font-weight: 600;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-muted);
        }

        .posts-list {
            display: grid;
            gap: var(--spacing-md);
        }

        .post-item {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--color-surface-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }

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

        .post-thumb {
            width: 120px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .post-content {
            flex: 1;
        }

        .post-meta {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            margin-bottom: var(--spacing-xs);
        }

        .post-category {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 500;
        }

        .post-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .post-title {
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 0.25rem;
            line-height: 1.4;
        }

        .post-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }

        .faq-question {
            font-family: 'Playfair Display', serif;
            font-size: 1.15rem;
            font-weight: 500;
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

        .faq-answer {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .cta-box {
            background: var(--color-accent);
            color: var(--color-surface-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl);
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-title {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 500;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .cta-text {
            font-size: 1.05rem;
            font-weight: 300;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.6;
        }

        .footer {
            background: var(--color-dark);
            color: rgba(251, 249, 245, 0.85);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-surface-white);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .footer-desc {
            font-size: 0.95rem;
            line-height: 1.6;
            opacity: 0.75;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-surface-white);
            margin-bottom: var(--spacing-sm);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-links a {
            font-size: 0.9rem;
            opacity: 0.75;
            transition: opacity 0.2s ease, color 0.2s ease;
        }

        .footer-links a:hover {
            opacity: 1;
            color: var(--color-accent);
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(231, 225, 215, 0.15);
            font-size: 0.85rem;
            opacity: 0.65;
        }

        .image-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            align-items: center;
        }

        .image-grid img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .image-content h3 {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 500;
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
        }

        .image-content p {
            font-size: 1rem;
            color: var(--color-text-muted);            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .image-content ul {
            list-style: none;
            padding: 0;
        }

        .image-content ul li {
            padding: 0.5rem 0 0.5rem 1.75rem;
            position: relative;
            color: var(--color-ink);
            font-size: 0.95rem;
        }

        .image-content ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0.5rem;
            width: 20px;
            height: 20px;
            background: var(--color-accent-tint);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .tag-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-top: var(--spacing-md);
        }

        .tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: var(--color-surface-white);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.85rem;
            border-radius: var(--radius-full);
            transition: all 0.2s ease;
        }

        .tag:hover {
            background: var(--color-accent-tint);
            color: var(--color-accent);
            border-color: var(--color-accent-tint);
        }

        .age-notice {
            background: var(--color-accent-tint);
            border-left: 4px solid var(--color-accent);
            padding: var(--spacing-md) var(--spacing-lg);
            border-radius: var(--radius-sm);
            margin: 0 auto var(--spacing-lg);
            max-width: 900px;
            font-size: 0.95rem;
            color: var(--color-ink);
        }

        .age-notice strong {
            color: var(--color-accent);
            font-weight: 600;
        }

        .empty-state {
            text-align: center;
            padding: var(--spacing-xl);
            color: var(--color-text-muted);
            background: var(--color-surface-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-ink);
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.75rem;
            }

            .section-title {
                font-size: 2rem;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                gap: 0;
                background: var(--color-surface-white);
                border-bottom: 1px solid var(--color-border);
                padding: var(--spacing-sm) var(--spacing-md);
                box-shadow: var(--shadow-md);
            }

            .nav.open {
                display: flex;
            }

            .nav a {
                padding: 0.75rem 0;
                border-bottom: 1px solid var(--color-border);
            }

            .nav a:last-child {
                border-bottom: none;
            }

            .mobile-toggle {
                display: block;
            }

            .hero {
                min-height: 480px;
            }

            .hero-content {
                padding: var(--spacing-2xl) var(--spacing-md);
            }

            .hero-title {
                font-size: 2.25rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .section {
                padding: var(--spacing-2xl) 0;
            }

            .section-title {
                font-size: 1.75rem;
            }

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

            .feature-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

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

            .post-item {
                flex-direction: column;
            }

            .post-thumb {
                width: 100%;
                height: 180px;
            }

            .cta-box {
                padding: var(--spacing-xl) var(--spacing-md);
            }

            .cta-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.85rem;
            }

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

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

            .btn {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }

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

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

/* roulang page: article */
:root {
            --primary: #d63384;
            --primary-dark: #b02a6d;
            --secondary: #6f42c1;
            --accent: #fd7e14;
            --bg: #0a0a0f;
            --bg-card: #16161f;
            --bg-hover: #1f1f2e;
            --text: #e8e8f0;
            --text-muted: #a8a8b8;
            --text-dim: #78788a;
            --border: #2a2a38;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(214, 51, 132, 0.15);
            --shadow-hover: 0 8px 30px rgba(214, 51, 132, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        .header {
            background: rgba(10, 10, 15, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        .nav {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 6px 0;
        }

        .nav a:hover,
        .nav a.active {
            color: var(--primary);
        }

        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .article-hero {
            background: linear-gradient(135deg, #16161f 0%, #0a0a0f 100%);
            padding: 80px 0 60px;
            border-bottom: 1px solid var(--border);
        }

        .article-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 24px;
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
        }

        .article-date {
            font-size: 14px;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-date::before {
            content: '📅';
        }

        .article-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--text), var(--text-muted));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-excerpt {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 800px;
        }

        .article-main {
            padding: 60px 0;
        }

        .article-container {
            max-width: 880px;
            margin: 0 auto;
        }

        .article-content {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 48px;
            box-shadow: var(--shadow);
        }

        .article-content h2 {
            font-size: 32px;
            font-weight: 700;
            margin: 48px 0 24px;
            line-height: 1.4;
            color: var(--text);
        }

        .article-content h2:first-child {
            margin-top: 0;
        }

        .article-content h3 {
            font-size: 24px;
            font-weight: 600;
            margin: 36px 0 18px;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 20px;
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .article-content ul,
        .article-content ol {
            margin: 24px 0;
            padding-left: 28px;
        }

        .article-content li {
            margin-bottom: 12px;
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid transparent;
        }

        .article-content a:hover {
            border-bottom-color: var(--primary);
        }

        .article-content img {
            border-radius: var(--radius-sm);
            margin: 32px 0;
            width: 100%;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--bg-hover);
            border-radius: var(--radius-sm);
            font-style: italic;
            color: var(--text-muted);
        }

        .article-content strong {
            color: var(--text);
            font-weight: 600;
        }

        .article-content code {
            background: var(--bg-hover);
            padding: 3px 8px;
            border-radius: 4px;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 0.9em;
            color: var(--accent);
        }

        .article-content pre {
            background: var(--bg-hover);
            padding: 20px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            font-size: 14px;
        }

        .not-found {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found-icon {
            font-size: 80px;
            margin-bottom: 24px;
            opacity: 0.5;
        }

        .not-found h2 {
            font-size: 32px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .not-found p {
            font-size: 17px;
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border: none;
            border-radius: 28px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

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

        .related-section {
            background: var(--bg-card);
            padding: 60px 0;
            border-top: 1px solid var(--border);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 48px;
            color: var(--text);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .related-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .related-card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: linear-gradient(135deg, var(--bg-hover), var(--bg-card));
        }

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

        .related-card-category {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(214, 51, 132, 0.15);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 12px;
            margin-bottom: 12px;
        }

        .related-card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }

        .related-card-excerpt {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.7;
        }

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

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

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

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-dim);
        }

        @media (max-width: 1024px) {
            .article-title {
                font-size: 36px;
            }

            .article-content {
                padding: 36px;
            }

            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                height: auto;
                padding: 16px 0;
                gap: 16px;
            }

            .nav {
                gap: 20px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .article-hero {
                padding: 48px 0 36px;
            }

            .article-title {
                font-size: 28px;
            }

            .article-excerpt {
                font-size: 16px;
            }

            .article-content {
                padding: 24px;
            }

            .article-content h2 {
                font-size: 26px;
            }

            .article-content h3 {
                font-size: 20px;
            }

            .section-title {
                font-size: 26px;
            }

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

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

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

            .nav {
                gap: 16px;
                font-size: 14px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-content {
                padding: 20px;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content p,
            .article-content li {
                font-size: 16px;
            }

            .btn {
                padding: 12px 24px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #d14343;
            --primary-dark: #b02e2e;
            --secondary: #2c2c2c;
            --accent: #ff6b6b;
            --bg: #0a0a0a;
            --bg-card: #1a1a1a;
            --bg-hover: #252525;
            --text: #f5f5f5;
            --text-dim: #b0b0b0;
            --text-muted: #808080;
            --border: #333;
            --radius: 10px;
            --shadow: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-hover: 0 8px 30px rgba(209,67,67,0.3);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

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

        .header {
            background: rgba(10,10,10,0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
        }

        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .nav {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dim);
            position: relative;
            padding: 8px 0;
        }

        .nav a:hover,
        .nav a.active {
            color: var(--primary);
        }

        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
        }

        .hero {
            background: linear-gradient(135deg, rgba(209,67,67,0.15) 0%, rgba(10,10,10,0.9) 100%), url('/assets/images/backpic/back-2.webp') center/cover;
            padding: 100px 0;
            position: relative;
            border-bottom: 1px solid var(--border);
        }

        .hero-content {
            max-width: 800px;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 16px;
            background: rgba(209,67,67,0.2);
            border: 1px solid var(--primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 0%, var(--text-dim) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-dim);
            line-height: 1.8;
            margin-bottom: 32px;
        }

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

        .btn {
            padding: 14px 32px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

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

        .btn-secondary {
            background: var(--bg-card);
            color: var(--text);
            border: 1px solid var(--border);
        }

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

        .section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-dim);
            line-height: 1.7;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .feature-card {
            background: var(--bg-card);
            padding: 36px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(209,67,67,0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--primary);
        }

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

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

        .video-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .video-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .video-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .video-thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .video-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .video-card:hover .video-thumb img {
            transform: scale(1.05);
        }

        .video-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            padding: 4px 10px;
            background: rgba(0,0,0,0.85);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
        }

        .video-info {
            padding: 20px;
        }

        .video-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }

        .video-meta {
            display: flex;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .plot-types {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .plot-type {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }

        .plot-type:hover {
            background: var(--bg-hover);
            border-color: var(--primary);
            transform: scale(1.03);
        }

        .plot-type-icon {
            font-size: 40px;
            margin-bottom: 16px;
        }

        .plot-type h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .plot-type p {
            font-size: 14px;
            color: var(--text-dim);
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 32px;
            counter-reset: step;
        }

        .step {
            position: relative;
            padding-top: 60px;
        }

        .step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 0;
            left: 0;
            width: 48px;
            height: 48px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .step h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .step p {
            font-size: 15px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            text-align: center;
        }

        .stat {
            padding: 28px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-dim);
        }

        .faq {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: 24px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-dim);
            line-height: 1.7;
        }

        .cta {
            background: linear-gradient(135deg, rgba(209,67,67,0.2) 0%, rgba(10,10,10,0.95) 100%), url('/assets/images/backpic/back-3.webp') center/cover;
            padding: 80px 0;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }

        .cta h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }

        .cta p {
            font-size: 18px;
            color: var(--text-dim);
            margin-bottom: 32px;
        }

        .footer {
            background: var(--secondary);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.6;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .hero {
                padding: 60px 0;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .nav {
                gap: 16px;
            }

            .nav a {
                font-size: 14px;
            }

            .features-grid,
            .video-showcase,
            .plot-types,
            .steps {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root{
    --c-bg:#0d0b14;
    --c-surface:#15121f;
    --c-surface-2:#1c1830;
    --c-line:#2a2440;
    --c-text:#f4f1ff;
    --c-text-2:#a9a4c4;
    --c-muted:#7a7594;
    --c-primary:#ff3d7f;
    --c-primary-2:#ff8a3d;
    --c-accent:#8b5cff;
    --c-cyan:#3dd4ff;
    --c-hot:#ff4d4d;
    --grad:linear-gradient(135deg,#ff3d7f 0%,#ff8a3d 50%,#8b5cff 100%);
    --grad-soft:linear-gradient(135deg,rgba(255,61,127,.15),rgba(139,92,255,.15));
    --r-sm:8px;
    --r-md:14px;
    --r-lg:22px;
    --r-xl:32px;
    --sh-sm:0 4px 14px rgba(0,0,0,.25);
    --sh-md:0 12px 40px rgba(0,0,0,.35);
    --sh-glow:0 18px 60px rgba(255,61,127,.25);
    --sp-1:8px;
    --sp-2:16px;
    --sp-3:24px;
    --sp-4:36px;
    --sp-5:56px;
    --sp-6:80px;
    --ff:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
    font-family:var(--ff);
    background:var(--c-bg);
    color:var(--c-text);
    line-height:1.65;
    font-size:15px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
    position:sticky;top:0;z-index:100;
    background:rgba(13,11,20,.82);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--c-line);
}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:72px;gap:24px;
}
.logo{
    display:flex;align-items:center;gap:10px;
    font-weight:900;font-size:18px;letter-spacing:.02em;
    color:var(--c-text);
}
.logo-mark{
    width:36px;height:36px;border-radius:10px;
    background:var(--grad);
    display:grid;place-items:center;
    font-size:16px;color:#fff;
    box-shadow:var(--sh-glow);
}
.nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav a{
    padding:8px 14px;border-radius:999px;
    font-size:14px;font-weight:500;color:var(--c-text-2);
    transition:all .2s ease;
}
.nav a:hover{color:var(--c-text);background:var(--c-surface-2)}
.nav a.active{color:#fff;background:var(--grad);box-shadow:var(--sh-sm)}
.header-cta{
    display:inline-flex;align-items:center;gap:6px;
    padding:10px 18px;border-radius:999px;
    background:var(--c-surface-2);border:1px solid var(--c-line);
    font-size:13px;font-weight:600;color:var(--c-text);
    transition:all .2s ease;
}
.header-cta:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-toggle{display:none}

/* Hero */
.hero{
    position:relative;
    padding:70px 0 60px;
    overflow:hidden;
    isolation:isolate;
}
.hero::before{
    content:"";position:absolute;inset:0;z-index:-2;
    background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    filter:brightness(.35) saturate(1.15);
}
.hero::after{
    content:"";position:absolute;inset:0;z-index:-1;
    background:radial-gradient(circle at 20% 30%,rgba(255,61,127,.35),transparent 55%),
               radial-gradient(circle at 85% 70%,rgba(139,92,255,.35),transparent 55%),
               linear-gradient(180deg,rgba(13,11,20,.4) 0%,rgba(13,11,20,.85) 100%);
}
.hero-top{
    display:flex;flex-wrap:wrap;gap:12px;
    justify-content:center;align-items:center;
    margin-bottom:22px;
}
.hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.15);
    font-size:12px;letter-spacing:.05em;
}
.hero-tag .dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--c-hot);
    box-shadow:0 0 12px var(--c-hot);
    animation:pulse 1.6s ease infinite;
}
@keyframes pulse{50%{transform:scale(1.4);opacity:.6}}
.hero h1{
    text-align:center;
    font-size:clamp(32px,5.5vw,60px);
    line-height:1.15;
    max-width:960px;margin:0 auto 20px;
}
.hero h1 .grad-text{
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;
    color:transparent;
}
.hero-sub{
    text-align:center;
    max-width:720px;margin:0 auto 32px;
    color:var(--c-text-2);font-size:17px;line-height:1.75;
}
.hero-actions{
    display:flex;gap:14px;justify-content:center;flex-wrap:wrap;
    margin-bottom:44px;
}
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 28px;border-radius:999px;
    font-weight:600;font-size:14px;
    transition:all .25s ease;
    border:1px solid transparent;
}
.btn-primary{
    background:var(--grad);color:#fff;
    box-shadow:var(--sh-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 70px rgba(255,61,127,.4);color:#fff}
.btn-ghost{
    background:rgba(255,255,255,.06);
    border-color:rgba(255,255,255,.18);
    color:var(--c-text);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    max-width:900px;margin:0 auto;
    gap:16px;
}
.stat{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.1);
    border-radius:var(--r-md);
    padding:20px 18px;text-align:center;
    backdrop-filter:blur(10px);
}
.stat-num{
    font-size:28px;font-weight:800;
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:12px;color:var(--c-text-2);margin-top:4px;letter-spacing:.05em}

/* Sections */
section{padding:var(--sp-6) 0}
.section-head{
    text-align:center;max-width:720px;margin:0 auto var(--sp-4);
}
.section-eyebrow{
    display:inline-block;
    font-size:12px;letter-spacing:.2em;
    color:var(--c-primary);font-weight:700;
    text-transform:uppercase;
    margin-bottom:12px;
}
.section-head h2{
    font-size:clamp(26px,3.6vw,40px);
    margin-bottom:14px;
}
.section-head p{color:var(--c-text-2);font-size:16px}

/* Timeline schedule */
.schedule-wrap{position:relative}
.schedule-wrap::before{
    content:"";position:absolute;
    left:50%;top:0;bottom:0;width:2px;
    background:linear-gradient(180deg,transparent,var(--c-line) 8%,var(--c-line) 92%,transparent);
    transform:translateX(-50%);
}
.schedule{display:flex;flex-direction:column;gap:32px;position:relative}
.slot{
    display:grid;
    grid-template-columns:1fr 60px 1fr;
    gap:18px;align-items:center;
}
.slot-card{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    padding:24px 26px;
    transition:all .25s ease;
}
.slot-card:hover{border-color:var(--c-primary);transform:translateY(-4px);box-shadow:var(--sh-md)}
.slot-time{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;color:var(--c-primary);
    letter-spacing:.1em;margin-bottom:10px;
}
.slot-card h3{font-size:20px;margin-bottom:10px}
.slot-card p{color:var(--c-text-2);font-size:14px;line-height:1.7}
.slot-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.slot-tags span{
    font-size:11px;padding:4px 10px;
    background:var(--c-surface-2);
    border:1px solid var(--c-line);
    border-radius:999px;color:var(--c-text-2);
}
.slot-dot{
    width:52px;height:52px;border-radius:50%;
    background:var(--grad);
    display:grid;place-items:center;
    font-weight:800;color:#fff;font-size:14px;
    box-shadow:var(--sh-glow);
    position:relative;z-index:2;
    justify-self:center;
}
.slot-empty{}
.slot:nth-child(odd) .slot-empty{order:3}
.slot:nth-child(even) .slot-card{order:3}
.slot:nth-child(even) .slot-empty{order:1}

/* Ranking */
.rank-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}
.rank-card{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    overflow:hidden;
    position:relative;
    transition:all .3s ease;
}
.rank-card:hover{transform:translateY(-6px);border-color:var(--c-accent);box-shadow:var(--sh-md)}
.rank-cover{
    position:relative;aspect-ratio:16/10;
    overflow:hidden;
}
.rank-cover img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .5s ease;
}
.rank-card:hover .rank-cover img{transform:scale(1.06)}
.rank-badge{
    position:absolute;top:12px;left:12px;
    padding:5px 12px;border-radius:999px;
    background:var(--grad);color:#fff;
    font-size:11px;font-weight:700;letter-spacing:.05em;
    box-shadow:var(--sh-sm);
}
.rank-num{
    position:absolute;bottom:-14px;right:14px;
    font-size:64px;font-weight:900;line-height:1;
    color:#fff;
    -webkit-text-stroke:2px rgba(255,255,255,.35);
    background:transparent;
    text-shadow:0 6px 20px rgba(0,0,0,.5);
}
.rank-body{padding:22px 20px 20px}
.rank-body h3{font-size:16px;margin-bottom:8px;line-height:1.4}
.rank-meta{
    display:flex;gap:12px;flex-wrap:wrap;
    font-size:12px;color:var(--c-muted);
    margin-bottom:10px;
}
.rank-meta span{display:inline-flex;align-items:center;gap:4px}
.rank-heat{
    display:flex;align-items:center;justify-content:space-between;
    padding-top:12px;border-top:1px dashed var(--c-line);
    font-size:12px;
}
.heat-num{color:var(--c-primary);font-weight:700}
.heat-bar{
    flex:1;height:4px;border-radius:99px;
    background:var(--c-surface-2);
    margin:0 12px;overflow:hidden;
}
.heat-bar i{display:block;height:100%;background:var(--grad);border-radius:99px}

/* Category strip */
.cat-strip{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:14px;
}
.cat-chip{
    display:flex;flex-direction:column;
    align-items:center;justify-content:center;
    gap:10px;
    padding:22px 16px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    transition:all .25s ease;
    text-align:center;
}
.cat-chip:hover{border-color:var(--c-primary);background:var(--grad-soft);transform:translateY(-3px)}
.cat-chip .ico{
    width:44px;height:44px;border-radius:12px;
    background:var(--c-surface-2);
    display:grid;place-items:center;
    font-size:20px;
    border:1px solid var(--c-line);
}
.cat-chip strong{font-size:13px;color:var(--c-text)}
.cat-chip small{font-size:11px;color:var(--c-muted)}

/* Flow steps */
.flow-bg{
    background:linear-gradient(180deg,var(--c-surface) 0%,var(--c-bg) 100%);
    border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
}
.flow-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:16px;
    counter-reset:step;
    position:relative;
}
.flow-step{
    background:var(--c-surface-2);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    padding:26px 20px 22px;
    position:relative;
    transition:all .25s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:var(--c-accent)}
.flow-step::before{
    counter-increment:step;
    content:"0" counter(step);
    position:absolute;top:-16px;left:20px;
    padding:6px 12px;border-radius:999px;
    background:var(--grad);
    color:#fff;font-weight:800;font-size:12px;
    box-shadow:var(--sh-sm);
}
.flow-step h4{font-size:16px;margin:16px 0 8px}
.flow-step p{color:var(--c-text-2);font-size:13px;line-height:1.7}

/* Live board */
.live-board{
    display:grid;
    grid-template-columns:1.4fr 1fr;
    gap:32px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-xl);
    padding:36px;
}
.live-title{font-size:24px;margin-bottom:8px}
.live-desc{color:var(--c-text-2);font-size:14px;margin-bottom:22px}
.live-list{display:flex;flex-direction:column;gap:12px}
.live-item{
    display:grid;
    grid-template-columns:auto 1fr auto;
    gap:14px;align-items:center;
    padding:14px 16px;
    background:var(--c-surface-2);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    transition:all .2s ease;
}
.live-item:hover{border-color:var(--c-primary);transform:translateX(4px)}
.live-time{font-size:12px;color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums}
.live-body strong{display:block;font-size:14px;margin-bottom:2px}
.live-body small{color:var(--c-muted);font-size:12px}
.live-badge{
    padding:4px 10px;border-radius:999px;
    font-size:11px;font-weight:600;
    background:rgba(255,61,127,.12);
    color:var(--c-primary);
    border:1px solid rgba(255,61,127,.25);
}
.live-badge.new{background:rgba(61,212,255,.12);color:var(--c-cyan);border-color:rgba(61,212,255,.25)}
.live-badge.hot{background:rgba(255,77,77,.12);color:#ff6b6b;border-color:rgba(255,77,77,.25)}
.live-panel{
    background:var(--c-surface-2);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    padding:24px;
    display:flex;flex-direction:column;gap:18px;
}
.mini-stat{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:14px;border-bottom:1px dashed var(--c-line)}
.mini-stat:last-child{border-bottom:0;padding-bottom:0}
.mini-stat b{font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mini-stat span{font-size:12px;color:var(--c-text-2)}

/* Quality feature */
.feature-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.feature{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    padding:32px 26px;
    transition:all .3s ease;
    position:relative;overflow:hidden;
}
.feature::after{
    content:"";position:absolute;
    top:0;right:0;width:110px;height:110px;
    background:var(--grad);
    filter:blur(60px);opacity:0;
    transition:opacity .3s ease;
}
.feature:hover{transform:translateY(-6px);border-color:var(--c-primary)}
.feature:hover::after{opacity:.25}
.feature .ico{
    width:52px;height:52px;border-radius:14px;
    background:var(--grad-soft);
    border:1px solid var(--c-line);
    display:grid;place-items:center;
    font-size:22px;margin-bottom:18px;
}
.feature h3{font-size:18px;margin-bottom:10px}
.feature p{color:var(--c-text-2);font-size:14px;line-height:1.75}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    margin-bottom:14px;
    overflow:hidden;
    transition:all .25s ease;
}
.faq-item[open]{border-color:var(--c-primary);box-shadow:var(--sh-sm)}
.faq-item summary{
    list-style:none;cursor:pointer;
    padding:20px 24px;
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;font-weight:600;font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
    content:"+";font-size:22px;
    color:var(--c-primary);font-weight:400;
    transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{
    padding:0 24px 22px;
    color:var(--c-text-2);font-size:14px;line-height:1.8;
}

/* CTA */
.cta{
    position:relative;
    background:var(--grad);
    border-radius:var(--r-xl);
    padding:56px 48px;
    text-align:center;
    overflow:hidden;
    isolation:isolate;
}
.cta::before{
    content:"";position:absolute;inset:0;z-index:-1;
    background:url('/assets/images/backpic/back-1.webp') center/cover;
    opacity:.15;mix-blend-mode:overlay;
}
.cta h2{font-size:clamp(24px,3.4vw,36px);color:#fff;margin-bottom:14px}
.cta p{max-width:640px;margin:0 auto 28px;color:rgba(255,255,255,.9);font-size:16px}
.cta .btn{background:#fff;color:var(--c-primary);box-shadow:0 12px 40px rgba(0,0,0,.25)}
.cta .btn:hover{transform:translateY(-2px);background:#fff8fb}
.cta .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}

/* Footer */
.footer{
    background:#08070d;
    border-top:1px solid var(--c-line);
    padding:var(--sp-5) 0 var(--sp-3);
    color:var(--c-text-2);
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:36px;
    margin-bottom:var(--sp-4);
}
.footer-brand{
    font-size:22px;font-weight:900;
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    margin-bottom:14px;
}
.footer-desc{font-size:13px;line-height:1.85;max-width:340px;color:var(--c-text-2)}
.footer-title{
    font-size:14px;color:var(--c-text);font-weight:700;
    margin-bottom:16px;letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--c-text-2)}
.footer-links a:hover{color:var(--c-primary)}
.footer-bottom{
    padding-top:var(--sp-3);
    border-top:1px solid var(--c-line);
    text-align:center;font-size:12px;color:var(--c-muted);
}

/* Responsive */
@media (max-width:1024px){
    .rank-grid{grid-template-columns:repeat(2,1fr)}
    .cat-strip{grid-template-columns:repeat(3,1fr)}
    .flow-grid{grid-template-columns:repeat(3,1fr)}
    .feature-grid{grid-template-columns:repeat(2,1fr)}
    .live-board{grid-template-columns:1fr;padding:28px}
    .hero-stats{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
    .nav-toggle{
        display:inline-grid;place-items:center;
        width:40px;height:40px;border-radius:10px;
        background:var(--c-surface-2);border:1px solid var(--c-line);
    }
    .nav{
        display:none;position:absolute;
        top:72px;left:0;right:0;
        flex-direction:column;align-items:stretch;
        gap:4px;padding:16px 20px 20px;
        background:rgba(13,11,20,.98);
        border-bottom:1px solid var(--c-line);
        backdrop-filter:blur(20px);
    }
    .nav.open{display:flex}
    .nav a{padding:12px 14px;border-radius:10px}
    .header-cta{display:none}
    section{padding:var(--sp-5) 0}
    .hero{padding:50px 0 40px}
    .schedule-wrap::before{left:24px}
    .slot{grid-template-columns:52px 1fr;gap:16px}
    .slot-dot{grid-row:1;grid-column:1;justify-self:start}
    .slot-card,.slot:nth-child(even) .slot-card{grid-column:2;order:initial}
    .slot-empty{display:none}
    .flow-grid{grid-template-columns:1fr 1fr}
    .cta{padding:40px 24px}
}
@media (max-width:520px){
    .container{padding:0 18px}
    .rank-grid{grid-template-columns:1fr}
    .cat-strip{grid-template-columns:repeat(2,1fr)}
    .feature-grid{grid-template-columns:1fr}
    .flow-grid{grid-template-columns:1fr}
    .hero-stats{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{justify-content:center}
    .live-item{grid-template-columns:1fr;text-align:left}
    .live-item .live-badge{justify-self:start}
}

/* roulang page: category1 */
:root{
  --bg:#0b0d12;
  --bg-2:#11141b;
  --surface:#161a23;
  --surface-2:#1d2230;
  --line:#252b3a;
  --text:#eef1f7;
  --muted:#9aa3b8;
  --brand:#ff3d68;
  --brand-2:#ff8a3d;
  --accent:#7c5cff;
  --ok:#28d9a1;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.25);
  --shadow-md:0 14px 40px rgba(0,0,0,.35);
  --shadow-glow:0 10px 40px rgba(255,61,104,.25);
  --gap:24px;
  --maxw:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.18),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(255,61,104,.15),transparent 55%),var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border-radius:12px}
button,input,select,textarea{font-family:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(11,13,18,.75);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;gap:24px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:20px;letter-spacing:.5px;
}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:900;
  box-shadow:var(--shadow-glow);
}
.nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.nav a{
  padding:10px 14px;border-radius:10px;
  color:var(--muted);font-weight:500;font-size:15px;
  transition:all .25s var(--ease);
}
.nav a:hover{color:var(--text);background:var(--surface)}
.nav a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(255,61,104,.2),rgba(124,92,255,.2));
  border:1px solid rgba(255,61,104,.35);
}
.age-badge{
  padding:6px 12px;border-radius:999px;
  background:rgba(255,61,104,.12);color:var(--brand);
  border:1px solid rgba(255,61,104,.35);
  font-size:13px;font-weight:700;
}

/* ===== Hero (category) ===== */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 60px;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(11,13,18,.4),rgba(11,13,18,.85)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  filter:saturate(1.05);
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero h1{
  font-size:52px;line-height:1.15;margin:18px 0 18px;
  font-weight:800;letter-spacing:-.5px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:var(--muted);font-size:17px;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:12px;
  font-weight:600;font-size:15px;cursor:pointer;
  transition:all .25s var(--ease);
  border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 46px rgba(255,61,104,.4);color:#fff}
.btn-ghost{
  background:rgba(255,255,255,.05);color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:6px 12px;border-radius:999px;font-size:13px;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
}
.hero-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);
  border:1px solid var(--line);
  aspect-ratio:4/5;
}
.hero-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.75));
}
.hero-card-meta{
  position:absolute;bottom:20px;left:20px;right:20px;z-index:2;
}
.hero-card-meta .q{
  display:inline-block;padding:4px 10px;border-radius:6px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;
  margin-bottom:10px;
}
.hero-card-meta h3{margin:0 0 6px;font-size:20px}
.hero-card-meta p{margin:0;color:rgba(255,255,255,.75);font-size:14px}

/* ===== Section base ===== */
.section{padding:80px 0}
.section-alt{background:linear-gradient(180deg,transparent,var(--bg-2))}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-head .kicker{
  display:inline-block;padding:6px 12px;border-radius:6px;
  background:rgba(124,92,255,.15);color:#b6a5ff;font-size:13px;
  font-weight:600;letter-spacing:.5px;margin-bottom:14px;
}
.section-head h2{font-size:36px;margin:0 0 12px;font-weight:800;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:16px;margin:0}

/* ===== Feature grid ===== */
.feature-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.feature-card{
  padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);
  transition:all .3s var(--ease);
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  opacity:0;transition:opacity .3s var(--ease);
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(255,61,104,.4);box-shadow:var(--shadow-md)}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,rgba(255,61,104,.15),rgba(124,92,255,.15));
  border:1px solid rgba(255,61,104,.25);
  display:grid;place-items:center;font-size:24px;
  margin-bottom:16px;
}
.feature-card h3{margin:0 0 10px;font-size:19px;font-weight:700}
.feature-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.7}

/* ===== Split media ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);border:1px solid var(--line);
}
.split .media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.split .media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,61,104,.1),transparent 60%);
  pointer-events:none;
}
.split h2{font-size:34px;margin:0 0 16px;font-weight:800;letter-spacing:-.3px}
.split .lead{color:var(--muted);font-size:16px;margin:0 0 24px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.check-list li{
  display:flex;gap:14px;padding:14px 16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;
  transition:all .25s var(--ease);
}
.check-list li:hover{border-color:rgba(255,61,104,.35);background:var(--surface-2)}
.check-list .num{
  flex-shrink:0;width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;
}
.check-list strong{display:block;margin-bottom:4px;font-size:15px}
.check-list span{color:var(--muted);font-size:14px}

/* ===== Scenario cards ===== */
.scenarios{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scenario{
  padding:24px 20px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  transition:all .3s var(--ease);
}
.scenario:hover{transform:translateY(-4px);border-color:rgba(255,138,61,.4)}
.scenario .s-num{
  font-size:32px;font-weight:900;line-height:1;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.scenario h4{margin:0 0 8px;font-size:17px;font-weight:700}
.scenario p{margin:0;color:var(--muted);font-size:14px}

/* ===== Process ===== */
.process{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.process::before{
  content:"";position:absolute;top:32px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line) 15%,var(--line) 85%,transparent);
}
.process-step{
  text-align:center;position:relative;z-index:1;
  padding:24px 16px;
}
.process-step .p-circle{
  width:64px;height:64px;border-radius:50%;
  margin:0 auto 18px;
  background:var(--bg-2);
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:22px;font-weight:800;
  color:var(--brand);
  box-shadow:inset 0 0 0 4px var(--bg);
}
.process-step h4{margin:0 0 8px;font-size:16px;font-weight:700}
.process-step p{margin:0;color:var(--muted);font-size:14px}

/* ===== Stats ===== */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:40px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,61,104,.08),rgba(124,92,255,.08));
  border:1px solid var(--line);
}
.stat{text-align:center}
.stat .n{
  font-size:42px;font-weight:900;line-height:1;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .l{margin-top:8px;color:var(--muted);font-size:14px}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;overflow:hidden;
  transition:all .25s var(--ease);
}
.faq details[open]{border-color:rgba(255,61,104,.35);background:var(--surface-2)}
.faq summary{
  padding:20px 22px;cursor:pointer;font-weight:600;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:24px;color:var(--brand);
  transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.75}

/* ===== CTA ===== */
.cta-band{
  padding:56px 40px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,61,104,.15),rgba(124,92,255,.15)),url('/assets/images/backpic/back-2.webp') center/cover;
  border:1px solid rgba(255,61,104,.3);
  position:relative;overflow:hidden;
  text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:rgba(11,13,18,.55);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:34px;margin:0 0 12px;font-weight:800}
.cta-band p{color:rgba(255,255,255,.85);margin:0 0 24px;font-size:16px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-band .btn-primary{padding:16px 28px;font-size:16px}

/* ===== Footer ===== */
.footer{
  margin-top:60px;padding:60px 0 30px;
  background:var(--bg-2);border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand{font-size:22px;font-weight:800;margin-bottom:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
.footer-title{font-size:15px;margin:0 0 16px;font-weight:700;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  padding-top:24px;border-top:1px solid var(--line);
  color:var(--muted);font-size:13px;text-align:center;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero h1{font-size:42px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .scenarios{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .process::before{display:none}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .hero{padding:56px 0 40px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .section{padding:56px 0}
  .section-head h2{font-size:28px}
  .split{grid-template-columns:1fr;gap:32px}
  .split h2{font-size:26px}
  .stats-band{padding:28px 20px}
  .cta-band{padding:40px 24px}
  .cta-band h2{font-size:26px}
  .nav a{padding:8px 10px;font-size:14px}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .feature-grid{grid-template-columns:1fr}
  .scenarios{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .stats-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap;gap:12px}
  .age-badge{order:-1}
}