/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #4a6cf7;
            --primary-dark: #3a56d4;
            --primary-light: #6b8aff;
            --secondary: #6c63ff;
            --accent: #ff6b6b;
            --accent-light: #ff8e8e;
            --bg-white: #ffffff;
            --bg-light: #f5f7fc;
            --bg-dark: #0f0e17;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-main: #2d3436;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border-color: #e8ecf4;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.10);
            --shadow-xl: 0 30px 80px rgba(0,0,0,0.12);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.25; }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
            position: relative;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(74, 108, 247, 0.35);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(74, 108, 247, 0.25);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-white);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: #e55a5a;
            border-color: #e55a5a;
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 107, 107, 0.35);
        }
        .btn-lg { padding: 16px 40px; font-size: 1.05rem; }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--primary); font-size: 1.6rem; }
        .logo span { color: var(--primary); }
        .logo:hover { color: var(--text-dark); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-main);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: rgba(74,108,247,0.08); }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(74,108,247,0.12);
            font-weight: 600;
        }
        .nav-cta {
            margin-left: 12px;
        }
        .nav-cta .btn { padding: 10px 24px; font-size: 0.9rem; }
        .menu-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px;
            background: none;
            border: none;
        }

        /* ===== Hero ===== */
        .hero {
            padding: 140px 0 100px;
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(15,14,23,0.85) 0%, rgba(26,26,46,0.75) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            overflow: hidden;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-white), transparent);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.10);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
        }
        .hero-badge i { color: var(--accent); }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--text-white);
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 20px;
        }
        .hero h1 span { color: var(--primary-light); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.75);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-actions .btn i { font-size: 1.1rem; }

        /* ===== Section Spacing ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-light); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark .section-title { color: var(--text-white); }
        .section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img { transform: scale(1.03); }
        .card-body { padding: 24px; }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .card:hover .card-body h3 { color: var(--primary); }
        .card-body p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .card-meta i { margin-right: 4px; }
        .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(74,108,247,0.10);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* ===== Feature / Intro ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .intro-text h2 { font-size: 2rem; margin-bottom: 20px; }
        .intro-text p { font-size: 1.05rem; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .intro-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .intro-feature-item i { color: var(--primary); font-size: 1.2rem; }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item { padding: 24px; }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .section-dark .stat-number { color: var(--primary-light); }
        .section-dark .stat-label { color: rgba(255,255,255,0.65); }

        /* ===== Category Cards ===== */
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .category-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(74,108,247,0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .category-card:hover .icon-wrap { background: var(--primary); color: var(--text-white); }
        .category-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .category-card p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 18px; }
        .category-card .btn-sm { margin-top: auto; }

        /* ===== CMS List ===== */
        .cms-list { display: flex; flex-direction: column; gap: 20px; }
        .cms-item {
            display: flex;
            gap: 24px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .cms-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateX(4px);
        }
        .cms-item-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-light);
        }
        .cms-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .cms-item-content { flex: 1; min-width: 0; }
        .cms-item-content h3 { font-size: 1.05rem; margin-bottom: 6px; }
        .cms-item-content h3 a { color: var(--text-dark); }
        .cms-item-content h3 a:hover { color: var(--primary); }
        .cms-item-content p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .cms-item-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .cms-item-meta .tag { background: rgba(74,108,247,0.10); color: var(--primary); padding: 2px 12px; border-radius: 50px; font-weight: 600; }
        .cms-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            background: var(--bg-light);
            border-radius: var(--radius-md);
            font-size: 1.05rem;
        }
        .cms-empty i { font-size: 2rem; margin-bottom: 12px; color: var(--primary-light); display: block; }

        /* ===== Process / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 18px;
        }
        .step-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
        .step-card p { font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 1.1rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
        }
        .cta-section h2 { color: var(--text-white); font-size: 2rem; margin-bottom: 16px; position: relative; }
        .cta-section p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; position: relative; }
        .cta-section .btn { background: var(--text-white); color: var(--primary); border-color: var(--text-white); }
        .cta-section .btn:hover { background: var(--bg-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 16px; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.8; max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 18px; font-weight: 600; }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: var(--text-white); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        /* ===== Scroll to top ===== */
        .scroll-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            z-index: 999;
            transition: var(--transition);
            opacity: 0;
            pointer-events: none;
            border: none;
        }
        .scroll-top.visible { opacity: 1; pointer-events: auto; }
        .scroll-top:hover { background: var(--primary-dark); transform: translateY(-4px); box-shadow: var(--shadow-lg); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.8rem; }
            .intro-grid { gap: 40px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.7rem; }
            .hero { padding: 100px 0 60px; min-height: auto; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .menu-toggle { display: block; }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                z-index: 999;
            }
            .nav-list.open { transform: translateY(0); opacity: 1; }
            .nav-list a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
            .nav-cta { margin-left: 0; margin-top: 8px; width: 100%; }
            .nav-cta .btn { width: 100%; justify-content: center; }
            .intro-grid { grid-template-columns: 1fr; }
            .intro-image img { height: 240px; }
            .intro-features { grid-template-columns: 1fr; }
            .card-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-number { font-size: 2rem; }
            .cms-item { flex-direction: column; }
            .cms-item-thumb { width: 100%; height: 160px; }
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .scroll-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.6rem; }
            .section-title { font-size: 1.4rem; }
            .hero-badge { font-size: 0.75rem; padding: 4px 14px; }
            .card-body { padding: 18px; }
            .stat-number { font-size: 1.6rem; }
            .category-card { padding: 24px 18px; }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .anim-fade-up { animation: fadeUp 0.6s ease forwards; }
        .anim-delay-1 { animation-delay: 0.1s; }
        .anim-delay-2 { animation-delay: 0.2s; }
        .anim-delay-3 { animation-delay: 0.3s; }
        .anim-delay-4 { animation-delay: 0.4s; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #6c3cf0;
  --primary-dark: #5228c7;
  --primary-light: #8f6df5;
  --primary-gradient: linear-gradient(135deg, #6c3cf0 0%, #a855f7 100%);
  --secondary: #f59e0b;
  --secondary-light: #fbbf24;
  --accent: #10b981;
  --bg-dark: #0f0e1a;
  --bg-card: #1a1833;
  --bg-card-hover: #242045;
  --bg-section: #12102a;
  --bg-light: #f8f7ff;
  --text-primary: #f1f0ff;
  --text-body: #d4d0f5;
  --text-muted: #9892c6;
  --text-dark: #1a1a2e;
  --text-dark-body: #4a4a6a;
  --border-color: #2d2955;
  --border-light: #e8e5ff;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(108,60,240,0.15);
  --shadow-md: 0 8px 30px rgba(108,60,240,0.2);
  --shadow-lg: 0 20px 60px rgba(108,60,240,0.25);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'Inter','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-sans);background:var(--bg-dark);color:var(--text-body);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--primary-light);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--secondary-light)}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none;border:none}
ul,ol{list-style:none}
i.fas,i.far,i.fab{font-style:normal}
/* ===== Container ===== */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
/* ===== Header & Nav ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(15,14,26,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(45,41,85,0.5);height:var(--header-height);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 20px;max-width:var(--max-width);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--text-primary);letter-spacing:-0.5px}
.logo i{font-size:1.6rem;color:var(--secondary);background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo span{color:var(--secondary);-webkit-text-fill-color:var(--secondary)}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{display:flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--text-body);transition:var(--transition);position:relative;white-space:nowrap}
.nav-list a:hover{color:var(--text-primary);background:rgba(108,60,240,0.12)}
.nav-list a.active{color:var(--text-primary);background:rgba(108,60,240,0.2)}
.nav-list a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--primary-gradient);border-radius:2px}
.nav-cta{margin-left:12px}
.nav-cta .btn{display:flex;align-items:center;gap:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;transition:var(--transition);cursor:pointer;border:none;white-space:nowrap}
.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:0 4px 15px rgba(108,60,240,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(108,60,240,0.45);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-sm{padding:7px 18px;font-size:0.85rem}
.btn-outline{background:transparent;border:2px solid var(--border-color);color:var(--text-primary)}
.btn-outline:hover{border-color:var(--primary-light);background:rgba(108,60,240,0.1);color:var(--text-primary);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,0.06);color:var(--text-body);border:1px solid transparent}
.btn-ghost:hover{background:rgba(108,60,240,0.15);color:var(--text-primary)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;background:none;border:none}
.mobile-toggle span{display:block;width:26px;height:2.5px;background:var(--text-primary);border-radius:3px;transition:var(--transition)}
/* ===== Hero Banner (内页) ===== */
.page-banner{position:relative;padding:140px 0 80px;margin-top:var(--header-height);background:linear-gradient(135deg,#1a1833 0%,#0f0e1a 50%,#1a1833 100%);overflow:hidden;text-align:center}
.page-banner::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.15;filter:blur(2px)}
.page-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,14,26,0.7) 0%,rgba(15,14,26,0.5) 50%,rgba(15,14,26,0.85) 100%)}
.page-banner *{position:relative;z-index:2}
.page-banner h1{font-size:3rem;font-weight:800;color:var(--text-primary);margin-bottom:16px;letter-spacing:-1px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-banner p{font-size:1.15rem;color:var(--text-muted);max-width:620px;margin:0 auto 20px;line-height:1.8}
.page-banner .banner-tags{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.page-banner .banner-tags span{display:inline-flex;align-items:center;gap:6px;padding:6px 18px;border-radius:20px;background:rgba(108,60,240,0.15);color:var(--primary-light);font-size:0.85rem;font-weight:500;border:1px solid rgba(108,60,240,0.2)}
/* ===== 通用板块 ===== */
.section{padding:80px 0}
.section-alt{background:var(--bg-section)}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;letter-spacing:-0.5px}
.section-header p{font-size:1.05rem;color:var(--text-muted);max-width:560px;margin:0 auto}
.section-header .subtitle{display:inline-flex;align-items:center;gap:8px;padding:4px 16px;border-radius:20px;background:rgba(108,60,240,0.12);color:var(--primary-light);font-size:0.85rem;font-weight:600;margin-bottom:14px;border:1px solid rgba(108,60,240,0.15)}
/* ===== Tabs ===== */
.tabs-wrapper{margin-bottom:40px}
.tabs-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:36px}
.tab-btn{padding:8px 22px;border-radius:20px;background:rgba(255,255,255,0.04);border:1px solid var(--border-color);color:var(--text-muted);font-size:0.9rem;font-weight:500;cursor:pointer;transition:var(--transition)}
.tab-btn:hover{background:rgba(108,60,240,0.1);color:var(--text-primary);border-color:var(--primary-light)}
.tab-btn.active{background:var(--primary-gradient);color:#fff;border-color:transparent;box-shadow:0 4px 15px rgba(108,60,240,0.3)}
.tab-content{display:none}
.tab-content.active{display:block;animation:fadeUp 0.4s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)}}
/* ===== 卡片网格 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-game{background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);transition:var(--transition);cursor:pointer}
.card-game:hover{transform:translateY(-6px);border-color:var(--primary-light);box-shadow:var(--shadow-lg)}
.card-game .card-img{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-card)}
.card-game .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.card-game:hover .card-img img{transform:scale(1.05)}
.card-game .card-img .badge{position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:12px;background:var(--primary-gradient);color:#fff;font-size:0.75rem;font-weight:600;box-shadow:0 2px 10px rgba(108,60,240,0.3)}
.card-game .card-img .badge.hot{background:linear-gradient(135deg,#ef4444,#f97316)}
.card-game .card-img .badge.new{background:linear-gradient(135deg,#10b981,#34d399)}
.card-game .card-body{padding:20px}
.card-game .card-body h3{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-game .card-body p{font-size:0.9rem;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.card-game .card-meta{display:flex;align-items:center;justify-content:space-between;font-size:0.8rem;color:var(--text-muted);padding-top:12px;border-top:1px solid rgba(45,41,85,0.5)}
.card-game .card-meta span{display:flex;align-items:center;gap:6px}
/* ===== 资讯列表 ===== */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:flex;align-items:center;gap:20px;padding:18px 24px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border-color);transition:var(--transition);cursor:pointer}
.news-item:hover{background:var(--bg-card-hover);border-color:var(--primary-light);transform:translateX(6px)}
.news-item .news-index{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(108,60,240,0.12);color:var(--primary-light);font-weight:700;font-size:0.85rem;flex-shrink:0}
.news-item .news-index.top3{background:var(--primary-gradient);color:#fff}
.news-item .news-body{flex:1;min-width:0}
.news-item .news-body h4{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item .news-body p{font-size:0.85rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item .news-tag{padding:4px 14px;border-radius:12px;background:rgba(108,60,240,0.1);color:var(--primary-light);font-size:0.75rem;font-weight:500;flex-shrink:0;white-space:nowrap}
/* ===== 评测卡片 ===== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.review-card{display:flex;flex-direction:column;background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);transition:var(--transition)}
.review-card:hover{transform:translateY(-4px);border-color:var(--primary-light);box-shadow:var(--shadow-lg)}
.review-card .review-img{aspect-ratio:16/9;overflow:hidden}
.review-card .review-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.review-card:hover .review-img img{transform:scale(1.03)}
.review-card .review-body{padding:22px;flex:1;display:flex;flex-direction:column}
.review-card .review-body .review-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 12px;border-radius:10px;background:rgba(245,158,11,0.12);color:var(--secondary);font-size:0.75rem;font-weight:600;width:fit-content;margin-bottom:10px}
.review-card .review-body h3{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1.4}
.review-card .review-body p{font-size:0.9rem;color:var(--text-muted);line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-card .review-body .review-meta{display:flex;align-items:center;gap:16px;margin-top:14px;padding-top:14px;border-top:1px solid rgba(45,41,85,0.5);font-size:0.8rem;color:var(--text-muted)}
.review-card .review-body .review-meta .stars{color:var(--secondary)}
/* ===== 数据统计 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{text-align:center;padding:36px 20px;background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);transition:var(--transition)}
.stat-card:hover{transform:translateY(-4px);border-color:var(--primary-light);box-shadow:var(--shadow-md)}
.stat-card .stat-icon{font-size:2.2rem;margin-bottom:14px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-card .stat-number{font-size:2.8rem;font-weight:800;color:var(--text-primary);line-height:1.2;margin-bottom:6px}
.stat-card .stat-label{font-size:0.95rem;color:var(--text-muted)}
/* ===== CTA ===== */
.cta-section{background:var(--primary-gradient);padding:70px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.08;filter:blur(4px)}
.cta-section *{position:relative;z-index:2}
.cta-section h2{font-size:2.2rem;font-weight:700;color:#fff;margin-bottom:14px}
.cta-section p{font-size:1.1rem;color:rgba(255,255,255,0.85);max-width:560px;margin:0 auto 30px}
.cta-section .btn-cta{background:#fff;color:var(--primary);padding:14px 44px;border-radius:var(--radius-sm);font-size:1.05rem;font-weight:700;box-shadow:0 8px 30px rgba(0,0,0,0.2);transition:var(--transition)}
.cta-section .btn-cta:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,0.3);color:var(--primary-dark)}
/* ===== FAQ ===== */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border-color);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(108,60,240,0.2)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-size:1rem;font-weight:600;color:var(--text-primary);transition:var(--transition);user-select:none}
.faq-question:hover{color:var(--primary-light)}
.faq-question i{font-size:0.85rem;color:var(--text-muted);transition:var(--transition)}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--primary-light)}
.faq-answer{padding:0 24px 18px;color:var(--text-muted);font-size:0.92rem;line-height:1.8;display:none}
.faq-item.active .faq-answer{display:block;animation:fadeUp 0.3s ease}
/* ===== Footer ===== */
.site-footer{background:#0c0b18;border-top:1px solid rgba(45,41,85,0.4);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:0.88rem;color:var(--text-muted);line-height:1.8;max-width:380px}
.footer-social{display:flex;gap:14px;margin-top:18px}
.footer-social a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.05);color:var(--text-muted);font-size:1.1rem;transition:var(--transition)}
.footer-social a:hover{background:var(--primary-gradient);color:#fff;transform:translateY(-3px)}
.footer-col h4{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:16px}
.footer-col a{display:block;padding:5px 0;font-size:0.88rem;color:var(--text-muted);transition:var(--transition)}
.footer-col a:hover{color:var(--primary-light);padding-left:6px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(45,41,85,0.4);font-size:0.82rem;color:var(--text-muted);gap:12px}
/* ===== 响应式 ===== */
@media(max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .mobile-toggle{display:flex}
  .nav-list{position:fixed;top:var(--header-height);left:0;right:0;background:rgba(15,14,26,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px;gap:4px;border-bottom:1px solid var(--border-color);transform:translateY(-110%);opacity:0;transition:var(--transition);pointer-events:none;max-height:calc(100vh - var(--header-height));overflow-y:auto}
  .nav-list.open{transform:translateY(0);opacity:1;pointer-events:all}
  .nav-list a{width:100%;justify-content:center;padding:12px 18px}
  .nav-cta{margin-left:0;margin-top:8px;width:100%}
  .nav-cta .btn{width:100%;justify-content:center}
  .page-banner{padding:110px 0 60px}
  .page-banner h1{font-size:2rem}
  .page-banner p{font-size:1rem}
  .section{padding:56px 0}
  .section-header h2{font-size:1.6rem}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .news-item{padding:14px 18px;flex-wrap:wrap;gap:12px}
  .news-item .news-body h4{white-space:normal}
  .review-grid{gap:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat-card{padding:24px 16px}
  .stat-card .stat-number{font-size:2rem}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;text-align:center}
  .tabs-nav{gap:6px}
  .tab-btn{padding:6px 16px;font-size:0.82rem}
  .cta-section h2{font-size:1.6rem}
  .cta-section p{font-size:0.95rem}
}
@media(max-width:520px){
  .page-banner h1{font-size:1.6rem}
  .section-header h2{font-size:1.3rem}
  .card-game .card-body{padding:16px}
  .card-game .card-body h3{font-size:1rem}
  .stats-grid{grid-template-columns:1fr;gap:12px}
  .review-card .review-body{padding:16px}
  .faq-question{padding:14px 18px;font-size:0.92rem}
  .faq-answer{padding:0 18px 14px}
}

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #6c5ce7;
        --primary-dark: #5a4bd1;
        --primary-light: #a29bfe;
        --secondary: #fd79a8;
        --accent: #00cec9;
        --bg-dark: #0f0e1a;
        --bg-darker: #0a0914;
        --bg-card: #1a1730;
        --bg-card-hover: #221f3a;
        --bg-section: #121020;
        --text-light: #f0edff;
        --text-muted: #a09bb8;
        --text-dim: #6b6590;
        --border-color: #2a2648;
        --border-light: #3a3560;
        --radius: 16px;
        --radius-sm: 10px;
        --radius-xs: 6px;
        --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
        --shadow-hover: 0 12px 48px rgba(108, 92, 231, 0.25);
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --max-width: 1200px;
        --header-height: 72px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

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

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

    a {
        color: var(--primary-light);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--secondary);
    }
    a:focus-visible {
        outline: 2px solid var(--primary-light);
        outline-offset: 3px;
        border-radius: 4px;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-sm);
    }

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

    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--primary-light);
        outline-offset: 2px;
    }

    /* ===== Container ===== */
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(15, 14, 26, 0.88);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(42, 38, 72, 0.5);
        height: var(--header-height);
        transition: var(--transition);
    }

    .site-header.scrolled {
        background: rgba(15, 14, 26, 0.96);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-height);
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }

    .logo {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text-light);
        display: flex;
        align-items: center;
        gap: 10px;
        letter-spacing: -0.5px;
        flex-shrink: 0;
    }

    .logo i {
        color: var(--primary-light);
        font-size: 1.6rem;
    }

    .logo span {
        color: var(--primary-light);
        font-weight: 300;
    }

    .nav-list {
        display: flex;
        align-items: center;
        gap: 8px;
        list-style: none;
    }

    .nav-list a {
        color: var(--text-muted);
        padding: 8px 18px;
        border-radius: var(--radius-xs);
        font-size: 0.95rem;
        font-weight: 500;
        transition: var(--transition);
        position: relative;
    }

    .nav-list a:hover {
        color: var(--text-light);
        background: rgba(162, 155, 184, 0.08);
    }

    .nav-list a.active {
        color: var(--text-light);
        background: rgba(108, 92, 231, 0.2);
    }

    .nav-list a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        background: var(--primary-light);
        border-radius: 2px;
    }

    .nav-cta {
        margin-left: 12px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 24px;
        border-radius: var(--radius-xs);
        font-weight: 600;
        font-size: 0.95rem;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        text-decoration: none;
        line-height: 1.4;
    }

    .btn:focus-visible {
        outline: 2px solid var(--primary-light);
        outline-offset: 3px;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5);
        color: #fff;
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 10px rgba(108, 92, 231, 0.3);
    }

    .btn-sm {
        padding: 8px 18px;
        font-size: 0.85rem;
    }

    .btn-outline {
        background: transparent;
        border: 2px solid var(--border-light);
        color: var(--text-light);
    }

    .btn-outline:hover {
        border-color: var(--primary-light);
        color: var(--primary-light);
        background: rgba(108, 92, 231, 0.08);
    }

    /* Mobile Toggle */
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--text-light);
        font-size: 1.6rem;
        cursor: pointer;
        padding: 6px;
        border-radius: var(--radius-xs);
        transition: var(--transition);
    }

    .nav-toggle:hover {
        color: var(--primary-light);
    }

    /* ===== Article Detail ===== */
    .article-banner {
        padding-top: calc(var(--header-height) + 40px);
        padding-bottom: 60px;
        background: var(--bg-darker);
        position: relative;
        overflow: hidden;
    }

    .article-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.12;
        z-index: 0;
    }

    .article-banner .container {
        position: relative;
        z-index: 1;
    }

    .article-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: var(--text-dim);
        margin-bottom: 24px;
        flex-wrap: wrap;
    }

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

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

    .article-breadcrumb .sep {
        color: var(--text-dim);
    }

    .article-breadcrumb .current {
        color: var(--text-light);
    }

    .article-category-badge {
        display: inline-block;
        padding: 4px 16px;
        border-radius: 20px;
        background: rgba(108, 92, 231, 0.2);
        color: var(--primary-light);
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 16px;
        border: 1px solid rgba(108, 92, 231, 0.25);
    }

    .article-title {
        font-size: 2.4rem;
        font-weight: 800;
        line-height: 1.3;
        color: var(--text-light);
        max-width: 900px;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        gap: 20px;
        color: var(--text-dim);
        font-size: 0.9rem;
        flex-wrap: wrap;
    }

    .article-meta i {
        margin-right: 6px;
        color: var(--primary-light);
        opacity: 0.7;
    }

    .article-meta span {
        display: flex;
        align-items: center;
    }

    /* ===== Article Content ===== */
    .article-section {
        padding: 60px 0 80px;
        background: var(--bg-dark);
    }

    .article-layout {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 48px;
        align-items: start;
    }

    .article-main {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 40px 44px;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
    }

    .article-content {
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--text-light);
    }

    .article-content h2 {
        font-size: 1.6rem;
        font-weight: 700;
        margin-top: 40px;
        margin-bottom: 16px;
        color: var(--text-light);
    }

    .article-content h3 {
        font-size: 1.25rem;
        font-weight: 600;
        margin-top: 32px;
        margin-bottom: 12px;
        color: var(--text-light);
    }

    .article-content p {
        margin-bottom: 20px;
        color: #d5d0e8;
    }

    .article-content ul,
    .article-content ol {
        margin-bottom: 20px;
        padding-left: 24px;
        color: #d5d0e8;
    }

    .article-content li {
        margin-bottom: 8px;
    }

    .article-content img {
        border-radius: var(--radius-sm);
        margin: 28px 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .article-content a {
        color: var(--accent);
        text-decoration: underline;
        text-underline-offset: 2px;
    }

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

    .article-content blockquote {
        border-left: 4px solid var(--primary-light);
        padding: 16px 24px;
        margin: 24px 0;
        background: rgba(108, 92, 231, 0.06);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: #c5c0e0;
        font-style: italic;
    }

    .article-content code {
        background: rgba(162, 155, 184, 0.1);
        padding: 2px 10px;
        border-radius: 4px;
        font-size: 0.9em;
        color: var(--primary-light);
    }

    .article-content pre {
        background: var(--bg-darker);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        padding: 20px 24px;
        overflow-x: auto;
        margin: 24px 0;
        font-size: 0.9rem;
        color: var(--text-muted);
    }

    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 36px;
        padding-top: 28px;
        border-top: 1px solid var(--border-color);
    }

    .article-tags .tag {
        padding: 6px 16px;
        border-radius: 20px;
        background: rgba(162, 155, 184, 0.08);
        color: var(--text-muted);
        font-size: 0.82rem;
        border: 1px solid var(--border-color);
        transition: var(--transition);
    }

    .article-tags .tag:hover {
        background: rgba(108, 92, 231, 0.15);
        color: var(--primary-light);
        border-color: rgba(108, 92, 231, 0.3);
    }

    .article-share {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 28px;
        padding-top: 24px;
        border-top: 1px solid var(--border-color);
    }

    .article-share span {
        color: var(--text-dim);
        font-size: 0.9rem;
    }

    .article-share a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(162, 155, 184, 0.08);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        transition: var(--transition);
        font-size: 1rem;
    }

    .article-share a:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    /* ===== Sidebar ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }

    .sidebar-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 28px 24px;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
    }

    .sidebar-card h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 18px;
        color: var(--text-light);
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .sidebar-card h3 i {
        color: var(--primary-light);
    }

    .sidebar-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .sidebar-list li {
        border-bottom: 1px solid rgba(42, 38, 72, 0.5);
        padding: 10px 0;
    }

    .sidebar-list li:last-child {
        border-bottom: none;
    }

    .sidebar-list a {
        color: var(--text-muted);
        font-size: 0.92rem;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: var(--transition);
    }

    .sidebar-list a:hover {
        color: var(--primary-light);
        transform: translateX(4px);
    }

    .sidebar-list a .num {
        color: var(--text-dim);
        font-size: 0.8rem;
        margin-left: auto;
    }

    .sidebar-cta {
        background: linear-gradient(135deg, var(--bg-card), rgba(108, 92, 231, 0.12));
        border: 1px solid rgba(108, 92, 231, 0.2);
        text-align: center;
        padding: 32px 24px;
    }

    .sidebar-cta .icon-big {
        font-size: 2.8rem;
        color: var(--primary-light);
        margin-bottom: 12px;
    }

    .sidebar-cta h4 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--text-light);
    }

    .sidebar-cta p {
        color: var(--text-muted);
        font-size: 0.9rem;
        margin-bottom: 18px;
    }

    /* ===== Related Articles ===== */
    .related-section {
        padding: 60px 0;
        background: var(--bg-section);
    }

    .related-section .section-title {
        text-align: center;
        margin-bottom: 40px;
    }

    .related-section .section-title h2 {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--text-light);
    }

    .related-section .section-title p {
        color: var(--text-muted);
        margin-top: 8px;
    }

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

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

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

    .related-card .card-img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: 0;
    }

    .related-card .card-body {
        padding: 20px 22px;
    }

    .related-card .card-body h4 {
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--text-light);
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .related-card .card-body h4 a {
        color: var(--text-light);
    }

    .related-card .card-body h4 a:hover {
        color: var(--primary-light);
    }

    .related-card .card-body p {
        color: var(--text-muted);
        font-size: 0.88rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 14px;
        color: var(--text-dim);
        font-size: 0.82rem;
    }

    .related-card .card-meta .cat {
        color: var(--primary-light);
        font-weight: 500;
    }

    /* ===== Not Found ===== */
    .not-found-box {
        text-align: center;
        padding: 80px 20px;
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
    }

    .not-found-box .nf-icon {
        font-size: 4rem;
        color: var(--text-dim);
        margin-bottom: 20px;
    }

    .not-found-box h2 {
        font-size: 1.8rem;
        font-weight: 700;
        margin-bottom: 12px;
        color: var(--text-light);
    }

    .not-found-box p {
        color: var(--text-muted);
        margin-bottom: 24px;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-darker);
        border-top: 1px solid var(--border-color);
        padding: 60px 0 30px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .footer-brand .logo {
        font-size: 1.4rem;
        margin-bottom: 16px;
    }

    .footer-brand>p {
        color: var(--text-muted);
        font-size: 0.9rem;
        max-width: 360px;
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .footer-social {
        display: flex;
        gap: 12px;
    }

    .footer-social a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(162, 155, 184, 0.06);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        transition: var(--transition);
        font-size: 1.1rem;
    }

    .footer-social a:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    .footer-col h4 {
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-light);
        margin-bottom: 18px;
    }

    .footer-col a {
        display: block;
        color: var(--text-muted);
        font-size: 0.9rem;
        padding: 5px 0;
        transition: var(--transition);
    }

    .footer-col a:hover {
        color: var(--primary-light);
        transform: translateX(4px);
    }

    .footer-bottom {
        border-top: 1px solid var(--border-color);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        color: var(--text-dim);
        font-size: 0.85rem;
    }

    .footer-bottom span:last-child {
        color: var(--text-muted);
        font-style: italic;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-layout {
            grid-template-columns: 1fr;
        }

        .article-sidebar {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

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

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

    @media (max-width: 768px) {
        .nav-list {
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(15, 14, 26, 0.98);
            backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 20px 24px;
            gap: 6px;
            border-bottom: 1px solid var(--border-color);
            transform: translateY(-120%);
            opacity: 0;
            transition: var(--transition);
            pointer-events: none;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
        }

        .nav-list.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }

        .nav-list a {
            width: 100%;
            padding: 12px 18px;
            font-size: 1rem;
        }

        .nav-list a.active::after {
            display: none;
        }

        .nav-cta {
            margin-left: 0;
            margin-top: 8px;
            width: 100%;
        }

        .nav-cta .btn {
            width: 100%;
            justify-content: center;
        }

        .nav-toggle {
            display: block;
        }

        .article-title {
            font-size: 1.6rem;
        }

        .article-main {
            padding: 24px 20px;
        }

        .article-content {
            font-size: 0.98rem;
        }

        .article-sidebar {
            grid-template-columns: 1fr;
        }

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

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

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }

        .article-banner {
            padding-top: calc(var(--header-height) + 24px);
            padding-bottom: 36px;
        }

        .article-section {
            padding: 32px 0 48px;
        }
    }

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

        .article-title {
            font-size: 1.35rem;
        }

        .article-meta {
            gap: 12px;
            font-size: 0.82rem;
        }

        .article-main {
            padding: 18px 14px;
            border-radius: var(--radius-sm);
        }

        .article-content {
            font-size: 0.95rem;
        }

        .article-content h2 {
            font-size: 1.3rem;
        }

        .article-content h3 {
            font-size: 1.1rem;
        }

        .article-breadcrumb {
            font-size: 0.8rem;
        }

        .sidebar-card {
            padding: 20px 16px;
        }

        .related-card .card-body {
            padding: 16px 18px;
        }

        .related-card .card-img {
            height: 150px;
        }

        .footer-grid {
            gap: 20px;
        }

        .footer-col a {
            font-size: 0.85rem;
        }

        .not-found-box {
            padding: 48px 16px;
        }

        .not-found-box .nf-icon {
            font-size: 3rem;
        }

        .not-found-box h2 {
            font-size: 1.4rem;
        }
    }