/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #e8491d;
            --primary-dark: #c73d17;
            --primary-light: #ff6a3a;
            --accent: #f5a623;
            --accent-dark: #d48e1a;
            --bg-dark: #0a0a0a;
            --bg-medium: #141414;
            --bg-card: #1c1c1c;
            --bg-surface: #252525;
            --bg-elevated: #2d2d2d;
            --text-primary: #f5f5f5;
            --text-secondary: #b0b0b0;
            --text-muted: #777777;
            --border-color: #333333;
            --border-light: #444444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(232, 73, 29, 0.3);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s 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-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.8rem);
        }
        h4 {
            font-size: 1.2rem;
        }

        p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        p:last-child {
            margin-bottom: 0;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 10, 10, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 10, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .site-logo .logo-text {
            background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover .logo-text {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--text-primary);
            background: rgba(232, 73, 29, 0.15);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-toggle {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: background var(--transition), color var(--transition);
        }
        .search-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-md);
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            box-shadow: 0 4px 15px rgba(232, 73, 29, 0.3);
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(232, 73, 29, 0.45);
            color: #fff;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(232, 73, 29, 0.3);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.3rem;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--header-height) + 40px) 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10, 10, 10, 0.50) 0%,
                    rgba(10, 10, 10, 0.85) 50%,
                    var(--bg-dark) 100%);
        }
        .hero-glow {
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 73, 29, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(245, 166, 35, 0.12);
            border: 1px solid rgba(245, 166, 35, 0.25);
            border-radius: 50px;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero h1 {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.1;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-md);
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 20px rgba(232, 73, 29, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(232, 73, 29, 0.5);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: var(--border-light);
            transform: translateY(-3px);
            color: var(--text-primary);
        }
        .btn-secondary:active {
            transform: translateY(-1px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -1px;
        }
        .hero-stat .num .accent {
            color: var(--primary);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-medium);
        }
        .section-card-bg {
            background: var(--bg-card);
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .section-header .subtitle {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        /* ===== Intro / About ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--bg-surface);
        }
        .intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }
        .intro-text h3 {
            margin-bottom: 16px;
        }
        .intro-text p {
            margin-bottom: 16px;
        }
        .intro-text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }
        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .intro-text .feature-list li i {
            width: 24px;
            color: var(--primary);
            font-size: 1.1rem;
            text-align: center;
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .category-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .card-img {
            transform: scale(1.05);
        }
        .category-card .card-body {
            padding: 20px 24px 24px;
        }
        .category-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 6px;
        }
        .category-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .category-card .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: 50px;
            box-shadow: 0 2px 10px rgba(232, 73, 29, 0.4);
        }

        /* ===== CMS Latest Posts ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .post-card .post-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-surface);
        }
        .post-card .post-body {
            padding: 20px 24px 24px;
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .post-card .post-meta .post-cat {
            color: var(--primary);
            font-weight: 600;
        }
        .post-card .post-meta .post-date {
            color: var(--text-muted);
        }
        .post-card .post-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .post-card .post-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .post-card .post-body h3 a:hover {
            color: var(--primary);
        }
        .post-card .post-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-posts {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 24px;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-color);
        }
        .empty-posts i {
            font-size: 2.4rem;
            margin-bottom: 16px;
            opacity: 0.4;
        }
        .empty-posts p {
            font-size: 1.05rem;
        }

        /* ===== Features / Advantages ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }

        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 73, 29, 0.3);
        }
        .feature-item .icon-box {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: rgba(232, 73, 29, 0.12);
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 18px;
            transition: background var(--transition), transform var(--transition);
        }
        .feature-item:hover .icon-box {
            background: rgba(232, 73, 29, 0.22);
            transform: scale(1.05);
        }
        .feature-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 28px;
            text-align: center;
        }
        .stat-block {
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-block:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-block .stat-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-block .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -1px;
            line-height: 1.1;
        }
        .stat-block .stat-num .accent {
            color: var(--primary);
        }
        .stat-block .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Hot Games ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        .hot-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .hot-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hot-card:hover img {
            transform: scale(1.05);
        }
        .hot-card .hot-body {
            padding: 16px 20px 20px;
        }
        .hot-card .hot-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .hot-card .hot-body .hot-tag {
            display: inline-block;
            padding: 2px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(245, 166, 35, 0.12);
            border-radius: 50px;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            background: transparent;
            transition: color var(--transition), background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: transform var(--transition), color var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-medium);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 73, 29, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .cta-box h2 {
            margin-bottom: 16px;
        }
        .cta-box p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }
        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-medium);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .footer-brand .site-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Mobile Nav Drawer ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            right: 0;
            width: 280px;
            height: calc(100vh - var(--header-height));
            background: var(--bg-medium);
            border-left: 1px solid var(--border-color);
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            box-shadow: -10px 0 30px rgba(0, 0, 0, 0.4);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer a {
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .mobile-drawer a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-drawer a.active {
            color: var(--primary);
            background: rgba(232, 73, 29, 0.10);
        }
        .mobile-drawer .mobile-cta {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }
        .mobile-drawer .mobile-cta .btn-cta {
            width: 100%;
            justify-content: center;
        }

        /* ===== Overlay ===== */
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .intro-grid {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .site-header .search-toggle {
                display: flex;
            }
            .header-actions .btn-cta {
                display: none;
            }
            .mobile-drawer {
                display: flex;
            }
            .drawer-overlay {
                display: block;
            }

            .hero {
                min-height: 90vh;
                padding: calc(var(--header-height) + 32px) 20px 60px;
            }
            .hero-stats {
                gap: 24px;
                padding-top: 28px;
                margin-top: 40px;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }

            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 40px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image img {
                height: 280px;
            }

            .category-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .site-logo {
                font-size: 1.15rem;
            }
            .site-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }

            .hero h1 {
                font-size: clamp(1.8rem, 7vw, 2.4rem);
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-block {
                padding: 24px 12px;
            }
            .stat-block .stat-num {
                font-size: 1.8rem;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding: 40px 0;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-answer p {
                font-size: 0.9rem;
            }

            .cta-box h2 {
                font-size: 1.6rem;
            }
            .cta-box .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-box .cta-actions .btn-primary,
            .cta-box .cta-actions .btn-secondary {
                justify-content: center;
            }

            .mobile-drawer {
                width: 100%;
                border-left: none;
                border-top: 1px solid var(--border-color);
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-light);
        }

        /* ===== Selection ===== */
        ::selection {
            background: rgba(232, 73, 29, 0.3);
            color: var(--text-primary);
        }

/* roulang page: article */
/* ===== DESIGN TOKENS ===== */
        :root {
            --clr-primary: #0b0b1a;
            --clr-primary-light: #16162e;
            --clr-secondary: #ff3b5c;
            --clr-secondary-hover: #ff1f45;
            --clr-accent: #ff6b3d;
            --clr-gradient: linear-gradient(135deg, #ff3b5c 0%, #ff6b3d 100%);
            --clr-bg: #0a0a16;
            --clr-bg-card: #13132b;
            --clr-bg-card-hover: #1c1c3a;
            --clr-text: #f0f0f5;
            --clr-text-secondary: #8a8aa0;
            --clr-text-muted: #5a5a7a;
            --clr-border: #2a2a4a;
            --clr-border-hover: #3a3a5a;
            --clr-success: #2ecc71;
            --clr-warning: #f39c12;
            --clr-danger: #e74c3c;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(255,59,92,0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --container-narrow: 820px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            min-height: 100vh;
        }
        a { color: var(--clr-secondary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--clr-secondary-hover); }
        a:focus-visible { outline: 2px solid var(--clr-secondary); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--clr-text); }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--clr-secondary);
            background: rgba(255,59,92,0.12);
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--clr-text-secondary);
            max-width: 600px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11,11,26,0.85);
            backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid var(--clr-border);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--clr-text);
            flex-shrink: 0;
        }
        .site-logo:hover { color: var(--clr-text); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--clr-gradient);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .logo-text { background: var(--clr-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--clr-text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--clr-gradient);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover { color: var(--clr-text); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--clr-text); }
        .main-nav a.active::after { width: 100%; }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-wrap input {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: 100px;
            padding: 8px 16px 8px 38px;
            font-size: 0.85rem;
            color: var(--clr-text);
            width: 200px;
            transition: border-color var(--transition), width var(--transition);
        }
        .search-wrap input::placeholder { color: var(--clr-text-muted); }
        .search-wrap input:focus { outline: none; border-color: var(--clr-secondary); width: 240px; }
        .search-wrap i {
            position: absolute;
            left: 14px;
            color: var(--clr-text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 28px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 100px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--clr-gradient);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255,59,92,0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255,59,92,0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--clr-text);
            border: 1px solid var(--clr-border);
        }
        .btn-outline:hover {
            border-color: var(--clr-secondary);
            color: var(--clr-secondary);
            background: rgba(255,59,92,0.08);
        }
        .btn-sm { padding: 6px 18px; font-size: 0.8rem; }
        .btn-lg { padding: 14px 40px; font-size: 1.05rem; }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--clr-text);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px;
        }

        /* ===== HERO / BANNER ===== */
        .article-banner {
            position: relative;
            padding: 140px 0 80px;
            margin-top: 68px;
            background: var(--clr-primary-light);
            overflow: hidden;
        }
        .article-banner-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .article-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,11,26,0.7) 0%, rgba(11,11,26,0.9) 100%);
            z-index: 1;
        }
        .article-banner .container-narrow {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--clr-text-muted); }
        .breadcrumb a:hover { color: var(--clr-secondary); }
        .breadcrumb .sep { color: var(--clr-text-muted); font-size: 0.7rem; }
        .breadcrumb .current { color: var(--clr-text-secondary); }
        .article-banner .post-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: #fff;
            background: var(--clr-gradient);
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }
        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 0.85rem;
            color: var(--clr-text-secondary);
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; color: var(--clr-secondary); }
        .article-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--clr-text-muted);
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-wrap {
            padding: 60px 0 40px;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--clr-text-secondary);
        }
        .article-body h2 {
            font-size: 1.6rem;
            margin: 40px 0 16px;
            color: var(--clr-text);
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin: 32px 0 12px;
            color: var(--clr-text);
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body p:last-child { margin-bottom: 0; }
        .article-body a {
            color: var(--clr-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover { color: var(--clr-secondary-hover); }
        .article-body ul, .article-body ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 8px;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--clr-secondary);
            background: rgba(255,59,92,0.06);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--clr-text);
        }
        .article-body code {
            font-family: var(--font-mono);
            background: rgba(255,255,255,0.06);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-body pre {
            background: var(--clr-primary);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 24px;
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body pre code {
            background: none;
            padding: 0;
            font-size: 0.85rem;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }
        .article-body .wp-caption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            margin: 24px 0;
        }
        .article-divider {
            border: none;
            height: 1px;
            background: var(--clr-border);
            margin: 48px 0;
        }

        /* ===== ARTICLE INFO CARD ===== */
        .article-info-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 48px;
        }
        .article-info-card .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-info-card .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--clr-text-secondary);
            background: rgba(255,255,255,0.06);
            padding: 4px 14px;
            border-radius: 100px;
            transition: all var(--transition);
        }
        .article-info-card .tag:hover {
            background: rgba(255,59,92,0.15);
            color: var(--clr-secondary);
        }
        .share-links {
            display: flex;
            gap: 12px;
        }
        .share-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--clr-text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .share-links a:hover {
            background: var(--clr-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== POST NAVIGATION ===== */
        .post-nav {
            display: flex;
            gap: 24px;
            margin: 48px 0;
        }
        .post-nav a {
            flex: 1;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            color: var(--clr-text);
        }
        .post-nav a:hover {
            border-color: var(--clr-secondary);
            background: var(--clr-bg-card-hover);
            transform: translateY(-2px);
        }
        .post-nav .nav-label {
            font-size: 0.75rem;
            color: var(--clr-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 6px;
        }
        .post-nav .nav-title {
            font-size: 0.95rem;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-nav .nav-empty {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
        }
        .post-nav .nav-next { text-align: right; }

        /* ===== RELATED POSTS ===== */
        .related-section {
            background: var(--clr-primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .related-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover {
            border-color: var(--clr-secondary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--clr-primary-light);
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-category {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--clr-secondary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--clr-text);
            transition: color var(--transition);
        }
        .related-card:hover .card-title { color: var(--clr-secondary); }
        .related-card .card-meta {
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            margin-top: 10px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--clr-primary-light);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,59,92,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-box h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: var(--clr-text-secondary);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
        }

        /* ===== NOT FOUND ===== */
        .not-found-wrap {
            padding: 120px 0 80px;
            margin-top: 68px;
            text-align: center;
        }
        .not-found-wrap .nf-icon {
            font-size: 4rem;
            color: var(--clr-secondary);
            margin-bottom: 20px;
        }
        .not-found-wrap h1 {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .not-found-wrap p {
            color: var(--clr-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--clr-primary);
            border-top: 1px solid var(--clr-border);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { margin-bottom: 16px; }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--clr-text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--clr-text);
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--clr-text-secondary);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: var(--clr-secondary); }
        .footer-col ul li a i { margin-right: 8px; width: 16px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--clr-border);
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: var(--clr-text-muted); }
        .footer-bottom a:hover { color: var(--clr-secondary); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--clr-gradient);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== READING PROGRESS ===== */
        .reading-progress {
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            height: 3px;
            z-index: 999;
            background: transparent;
        }
        .reading-progress .progress-bar {
            height: 100%;
            width: 0%;
            background: var(--clr-gradient);
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .section { padding: 60px 0; }
            .section-title { font-size: 1.6rem; }
            .article-banner { padding: 100px 0 50px; }
            .article-banner h1 { font-size: 1.7rem; }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(11,11,26,0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 20px;
                border-bottom: 1px solid var(--clr-border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
                pointer-events: none;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a { font-size: 1rem; }
            .mobile-toggle { display: block; }
            .search-wrap { display: none; }
            .header-actions .btn { display: none; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .article-body { font-size: 0.95rem; }
            .related-grid { grid-template-columns: 1fr; }
            .post-nav { flex-direction: column; gap: 12px; }
            .post-nav a { padding: 16px; }
            .post-nav .nav-next { text-align: left; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-info-card { flex-direction: column; align-items: flex-start; }
            .cta-box h2 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-banner h1 { font-size: 1.4rem; }
            .section-title { font-size: 1.3rem; }
            .btn-lg { padding: 12px 28px; font-size: 0.95rem; }
            .article-info-card { padding: 16px 20px; }
            .related-card .card-img { height: 150px; }
            .not-found-wrap h1 { font-size: 1.5rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #E83030;
            --color-primary-dark: #C62828;
            --color-primary-light: #FF5252;
            --color-accent: #FF6B00;
            --color-accent-dark: #E65100;
            --color-bg-dark: #0A0E17;
            --color-bg-card: #111827;
            --color-bg-section: #0F1520;
            --color-bg-elevated: #1A1F2E;
            --color-text-white: #FFFFFF;
            --color-text-light: #E5E7EB;
            --color-text-muted: #9CA3AF;
            --color-text-dim: #6B7280;
            --color-border: #1E2A3A;
            --color-border-light: #2A3A4E;
            --color-hover-bg: rgba(232, 48, 48, 0.1);
            --color-glow: rgba(232, 48, 48, 0.3);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(232, 48, 48, 0.15);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text-light);
            background: var(--color-bg-dark);
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-white);
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: clamp(1rem, 2vw, 1.25rem);
        }
        h5 {
            font-size: 1rem;
        }
        h6 {
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--color-text-muted);
        }

        p {
            margin-bottom: 1rem;
            color: var(--color-text-muted);
        }
        p:last-child {
            margin-bottom: 0;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--color-bg-section);
        }
        .section-card {
            background: var(--color-bg-card);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.05rem;
            color: var(--color-text-muted);
        }
        .section-header .badge {
            display: inline-block;
            background: var(--color-hover-bg);
            color: var(--color-primary-light);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(232, 48, 48, 0.2);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-normal);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-text-white);
            text-decoration: none;
            flex-shrink: 0;
        }
        .site-logo:hover {
            color: var(--color-text-white);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .logo-text {
            font-size: 1.15rem;
            letter-spacing: 0.02em;
        }
        .logo-text span {
            color: var(--color-primary-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            position: relative;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--color-text-light);
            background: var(--color-hover-bg);
        }
        .main-nav a.active {
            color: var(--color-text-white);
            background: var(--color-hover-bg);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 6px 14px;
            gap: 8px;
            color: var(--color-text-dim);
            font-size: 0.85rem;
            width: 200px;
            transition: all var(--transition-fast);
            cursor: text;
        }
        .nav-search i {
            font-size: 0.8rem;
            color: var(--color-text-dim);
        }
        .nav-search span {
            color: var(--color-text-dim);
        }
        .nav-search:hover {
            border-color: var(--color-border-light);
            background: var(--color-bg-card);
        }
        .nav-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-glow);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--color-text-light);
            width: 100%;
            font-size: 0.85rem;
        }
        .nav-search input::placeholder {
            color: var(--color-text-dim);
        }

        .nav-cta {
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(232, 48, 48, 0.25);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(232, 48, 48, 0.35);
            color: #fff;
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 48, 48, 0.2);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 900px) {
            .nav-search {
                width: 140px;
            }
            .nav-search span {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                pointer-events: none;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: var(--color-hover-bg);
                border-left: 3px solid var(--color-primary);
            }
            .nav-actions {
                gap: 8px;
            }
            .nav-search {
                width: 120px;
                padding: 4px 10px;
            }
            .nav-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .nav-toggle {
                display: flex;
            }
        }

        @media (max-width: 480px) {
            .nav-search {
                width: 80px;
            }
            .nav-search i {
                display: none;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .logo-text {
                font-size: 0.95rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 120px 0 80px;
            background: var(--color-bg-dark);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
            filter: saturate(0.8) brightness(0.6);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 23, 0.92) 40%, rgba(232, 48, 48, 0.15) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 48, 48, 0.18);
            color: var(--color-primary-light);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(232, 48, 48, 0.25);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .category-hero .hero-badge i {
            font-size: 0.7rem;
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            background: linear-gradient(to right, #fff, var(--color-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--color-text-muted);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .category-hero .hero-stat .num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-white);
            font-family: var(--font-mono);
        }
        .category-hero .hero-stat .num span {
            color: var(--color-primary-light);
        }
        .category-hero .hero-stat .label {
            font-size: 0.8rem;
            color: var(--color-text-dim);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 100px 0 56px;
                min-height: 300px;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stat .num {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .category-hero {
                padding: 88px 0 40px;
                min-height: 240px;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
        }

        /* ===== 标签 / 筛选 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
            align-items: center;
        }
        .filter-bar .filter-label {
            font-size: 0.85rem;
            color: var(--color-text-dim);
            font-weight: 500;
            margin-right: 8px;
        }
        .filter-tag {
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--color-bg-elevated);
            color: var(--color-text-muted);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .filter-tag:hover {
            background: var(--color-hover-bg);
            color: var(--color-primary-light);
            border-color: rgba(232, 48, 48, 0.3);
        }
        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 2px 12px rgba(232, 48, 48, 0.25);
        }
        .filter-tag i {
            margin-right: 4px;
            font-size: 0.7rem;
        }

        @media (max-width: 480px) {
            .filter-bar {
                gap: 6px;
            }
            .filter-tag {
                padding: 4px 12px;
                font-size: 0.75rem;
            }
        }

        /* ===== 攻略卡片网格 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .guide-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-bg-elevated);
        }
        .guide-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .guide-card:hover .card-thumb img {
            transform: scale(1.05);
        }
        .guide-card .card-thumb .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(232, 48, 48, 0.3);
        }
        .guide-card .card-thumb .card-duration {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 2px 10px;
            border-radius: 8px;
            font-size: 0.7rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .guide-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .guide-card .card-body h3 a {
            color: var(--color-text-white);
            text-decoration: none;
        }
        .guide-card .card-body h3 a:hover {
            color: var(--color-primary-light);
        }
        .guide-card .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
            font-size: 0.78rem;
            color: var(--color-text-dim);
        }
        .guide-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .guide-card .card-meta .meta-left i {
            font-size: 0.7rem;
        }
        .guide-card .card-meta .meta-left .author {
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .guide-card .card-meta .meta-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .guide-card .card-meta .meta-right i {
            margin-right: 3px;
            font-size: 0.7rem;
        }
        .guide-card .card-meta .tag {
            background: var(--color-bg-elevated);
            padding: 2px 10px;
            border-radius: 10px;
            font-size: 0.7rem;
            color: var(--color-text-dim);
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guide-card .card-body {
                padding: 16px;
            }
            .guide-card .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== 统计区块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--color-primary-light);
            margin-bottom: 12px;
        }
        .stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text-white);
            font-family: var(--font-mono);
            margin-bottom: 4px;
        }
        .stat-item .stat-num span {
            color: var(--color-primary-light);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ===== 特色优势 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:hover {
            border-color: var(--color-border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .feature-card .feat-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-hover-bg);
            border-radius: var(--radius-md);
            color: var(--color-primary-light);
            font-size: 1.3rem;
            margin-bottom: 16px;
            border: 1px solid rgba(232, 48, 48, 0.15);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item.open {
            border-color: rgba(232, 48, 48, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-light);
            cursor: pointer;
            transition: background var(--transition-fast);
            gap: 12px;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }
        .faq-question:hover {
            background: var(--color-hover-bg);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg-elevated);
            color: var(--color-text-dim);
            transition: all var(--transition-fast);
            font-size: 0.7rem;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 480px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.84rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .cta-box {
            text-align: center;
            padding: 64px 24px;
            background: linear-gradient(135deg, rgba(232, 48, 48, 0.08), rgba(255, 107, 0, 0.05));
            border-radius: var(--radius-xl);
            border: 1px solid rgba(232, 48, 48, 0.12);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 48, 48, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-box h2 {
            margin-bottom: 12px;
            position: relative;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-box .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 48, 48, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 48, 48, 0.35);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 48, 48, 0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-light);
            border: 1px solid var(--color-border-light);
        }
        .btn-outline:hover {
            background: var(--color-hover-bg);
            border-color: var(--color-primary);
            color: var(--color-primary-light);
        }
        .btn-outline:active {
            background: rgba(232, 48, 48, 0.15);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
        }

        @media (max-width: 480px) {
            .cta-box {
                padding: 40px 16px;
            }
            .cta-box .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-text-dim);
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-text-dim);
            text-decoration: none;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }
        .footer-col ul li a i {
            font-size: 0.75rem;
            color: var(--color-text-dim);
            width: 16px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            border-top: 1px solid var(--color-border);
            font-size: 0.8rem;
            color: var(--color-text-dim);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--color-text-dim);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-primary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg-elevated);
            color: var(--color-text-dim);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            text-decoration: none;
        }
        .footer-social a:hover {
            background: var(--color-hover-bg);
            color: var(--color-primary-light);
            border-color: rgba(232, 48, 48, 0.3);
            transform: translateY(-2px);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 24px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-border-light);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-text-dim);
        }

        /* ===== 淡入动画 ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
        }
        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .pagination a:hover {
            background: var(--color-hover-bg);
            border-color: rgba(232, 48, 48, 0.3);
            color: var(--color-primary-light);
        }
        .pagination .active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 2px 12px rgba(232, 48, 48, 0.25);
        }
        .pagination .disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }
        .pagination .dots {
            background: none;
            border: none;
            color: var(--color-text-dim);
        }

        @media (max-width: 480px) {
            .pagination {
                gap: 4px;
            }
            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                font-size: 0.78rem;
                padding: 0 8px;
            }
        }