/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #ff6b35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8a5c;
            --accent: #ffd700;
            --accent-dark: #e6c200;
            --bg-dark: #0b0b14;
            --bg-card: #141420;
            --bg-card-hover: #1c1c30;
            --bg-section: #0f0f1e;
            --bg-section-alt: #1a1a2e;
            --text-primary: #f0f0f5;
            --text-secondary: #b0b0c8;
            --text-muted: #707088;
            --border-color: rgba(255, 107, 53, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            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: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 0;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(11, 11, 20, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .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;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 900;
            flex-shrink: 0;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--text-primary), 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 {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(255, 107, 53, 0.12);
        }
        .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;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-cta .search-toggle {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
        }
        .nav-cta .search-toggle:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-cta .btn-nav {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.5px;
        }
        .nav-cta .btn-nav:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }
        .nav-cta .btn-nav:active {
            transform: translateY(0);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== Hero ===== */
        .hero-section {
            margin-top: var(--header-h);
            min-height: calc(100vh - var(--header-h));
            display: flex;
            align-items: stretch;
            position: relative;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
            transform: scale(1.02);
            filter: saturate(1.1);
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 11, 20, 0.92) 0%, rgba(11, 11, 20, 0.6) 50%, rgba(11, 11, 20, 0.3) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 60px;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .hero-content {
            flex: 1 1 50%;
            max-width: 600px;
        }
        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 53, 0.12);
            border: 1px solid rgba(255, 107, 53, 0.2);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero-content .hero-badge i {
            font-size: 0.7rem;
        }
        .hero-content h1 {
            font-size: clamp(2.4rem, 5vw, 4rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-content .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }
        .hero-content .hero-actions .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-content .hero-actions .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
        }
        .hero-content .hero-actions .btn-primary:active {
            transform: translateY(0);
        }
        .hero-content .hero-actions .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-content .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hero-visual {
            flex: 1 1 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            min-height: 400px;
        }
        .hero-visual .visual-frame {
            width: 100%;
            max-width: 540px;
            aspect-ratio: 4/3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            position: relative;
            transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
            transition: transform var(--transition);
        }
        .hero-visual .visual-frame:hover {
            transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
        }
        .hero-visual .visual-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-visual .visual-frame .frame-glow {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), transparent 60%);
            pointer-events: none;
        }
        .hero-stats-mini {
            display: flex;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-stats-mini .stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stats-mini .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stats-mini .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* ===== Sections Common ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-alt-2 {
            background: var(--bg-section-alt);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-header .section-sub {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(255, 107, 53, 0.1);
            border: 1px solid rgba(255, 107, 53, 0.15);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            color: var(--primary-light);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 16px auto 0;
        }

        /* ===== Features / Core Cards ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 107, 53, 0.2);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .fc-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(255, 107, 53, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: background var(--transition);
        }
        .feature-card:hover .fc-icon {
            background: rgba(255, 107, 53, 0.2);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Category Grid ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            align-items: stretch;
            min-height: 200px;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 107, 53, 0.2);
        }
        .category-card .cc-image {
            flex: 0 0 45%;
            overflow: hidden;
            position: relative;
            min-height: 200px;
        }
        .category-card .cc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .cc-image img {
            transform: scale(1.05);
        }
        .category-card .cc-image .cc-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 40%, var(--bg-card) 100%);
        }
        .category-card .cc-content {
            flex: 1;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .category-card .cc-content .cc-tag {
            display: inline-block;
            background: rgba(255, 107, 53, 0.12);
            padding: 3px 12px;
            border-radius: 100px;
            font-size: 0.7rem;
            color: var(--primary-light);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .category-card .cc-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .category-card .cc-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .category-card .cc-content .cc-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .category-card .cc-content .cc-link:hover {
            gap: 12px;
        }

        /* ===== News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 107, 53, 0.2);
        }
        .news-card .nc-thumb {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--bg-card-hover);
        }
        .news-card .nc-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .nc-thumb img {
            transform: scale(1.05);
        }
        .news-card .nc-thumb .nc-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 11, 20, 0.8);
            backdrop-filter: blur(6px);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.7rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid rgba(255, 215, 0, 0.15);
        }
        .news-card .nc-body {
            padding: 20px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .nc-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .nc-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .nc-body .nc-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .news-card .nc-body .nc-meta .nc-date i {
            margin-right: 4px;
        }
        .news-card .nc-body .nc-meta .nc-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.75rem;
            transition: gap var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .nc-body .nc-meta .nc-more:hover {
            gap: 8px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
        }

        /* ===== Stats / Data Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--text-primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 107, 53, 0.15);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-item .faq-q .faq-toggle {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-q .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-section-alt);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(255, 215, 0, 0.05));
            border: 1px solid rgba(255, 107, 53, 0.2);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .cta-box .cta-actions .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .cta-box .cta-actions .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 107, 53, 0.35);
        }
        .cta-box .cta-actions .btn-cta-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .cta-actions .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col .footer-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col .footer-logo .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            font-weight: 900;
        }
        .footer-col .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom .copyright a {
            color: var(--text-muted);
        }
        .footer-bottom .copyright a:hover {
            color: var(--primary);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--text-secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-section .container {
                flex-direction: column;
                text-align: center;
                gap: 40px;
                padding-top: 20px;
                padding-bottom: 20px;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-content .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-content .hero-actions {
                justify-content: center;
            }
            .hero-stats-mini {
                justify-content: center;
            }
            .hero-visual {
                flex: none;
                width: 100%;
                max-width: 600px;
                min-height: 280px;
            }
            .hero-visual .visual-frame {
                transform: none;
                max-width: 100%;
            }
            .hero-visual .visual-frame:hover {
                transform: none;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                flex-direction: column;
            }
            .category-card .cc-image {
                flex: none;
                min-height: 160px;
            }
            .category-card .cc-image .cc-overlay {
                background: linear-gradient(0deg, var(--bg-card) 20%, transparent 80%);
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                padding: 0 16px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 11, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(255, 107, 53, 0.15);
            }
            .menu-toggle {
                display: block;
            }
            .nav-cta .btn-nav {
                padding: 8px 18px;
                font-size: 0.8rem;
            }
            .nav-cta .search-toggle {
                padding: 8px 10px;
            }

            .hero-content h1 {
                font-size: clamp(1.8rem, 8vw, 2.4rem);
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .hero-content .hero-actions .btn-primary,
            .hero-content .hero-actions .btn-secondary {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .hero-visual {
                min-height: 200px;
            }

            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }

            .faq-item .faq-q {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-item .faq-a {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }

            .cta-box {
                padding: 32px 20px;
            }
            .cta-box .cta-actions .btn-cta,
            .cta-box .cta-actions .btn-cta-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
                flex-wrap: wrap;
            }

            .category-card .cc-content {
                padding: 20px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-stats-mini {
                gap: 16px;
            }
            .hero-stats-mini .stat-num {
                font-size: 1.2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.4rem;
            }
            .news-card .nc-body {
                padding: 16px 16px 18px;
            }
            .cta-box {
                padding: 24px 16px;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .gap-1 {
            gap: 8px;
        }
        .gap-2 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Selection ===== */
        ::selection {
            background: rgba(255, 107, 53, 0.3);
            color: var(--text-primary);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 107, 53, 0.3);
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 107, 53, 0.5);
        }

        /* ===== Foundation Overrides ===== */
        .row {
            max-width: var(--container-max);
        }
        .columns,
        .column {
            padding-left: 12px;
            padding-right: 12px;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #3a4a8c;
            --primary-dark: #0f1a4a;
            --accent: #e94560;
            --accent-light: #ff6b7a;
            --accent-dark: #c2304a;
            --bg-dark: #0b0f1a;
            --bg-card: #121826;
            --bg-section: #0f1522;
            --bg-light: #f5f6fa;
            --text-white: #f0f0f5;
            --text-light: #c8cadd;
            --text-muted: #787c99;
            --border-dark: #1e2640;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.6);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-white);
            background: var(--bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(30, 38, 64, 0.6);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--accent);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 1.2rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover {
            color: var(--text-white);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }

        /* 导航 CTA */
        .nav-cta {
            padding: 8px 22px;
            background: var(--accent);
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-cta::after {
            display: none !important;
        }
        .nav-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.3);
            color: #fff !important;
        }

        /* 移动端汉堡 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            padding: 6px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 3px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Banner 内页 ===== */
        .page-banner {
            margin-top: var(--nav-height);
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 50%, var(--bg-dark) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-dark);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 42, 108, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb a {
            color: var(--text-muted);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-banner .breadcrumb .current {
            color: var(--text-light);
        }
        .page-banner .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 60px 0 80px;
            background: var(--bg-dark);
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-card);
        }
        .article-header {
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-dark);
        }
        .article-header .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-header .meta .category {
            background: var(--accent);
            color: #fff;
            padding: 2px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }
        .article-header .meta i {
            margin-right: 4px;
        }
        .article-header h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
            margin-top: 12px;
        }
        .article-body {
            color: var(--text-light);
            line-height: 1.9;
            font-size: 1.05rem;
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 1.5em 0 0.6em;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 1.2em 0 0.5em;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0;
            padding-left: 1.5em;
            list-style: disc;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
        }
        .article-body a:hover {
            color: var(--accent-light);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2em 0;
            background: rgba(233, 69, 96, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .article-body .article-cover {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin: 0 0 1.5em 0;
        }

        /* 文章底部 */
        .article-footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-dark);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-footer .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer .tags .tag {
            padding: 4px 14px;
            background: rgba(233, 69, 96, 0.1);
            color: var(--accent-light);
            border-radius: 20px;
            font-size: 0.8rem;
            border: 1px solid rgba(233, 69, 96, 0.2);
            transition: var(--transition);
        }
        .article-footer .tags .tag:hover {
            background: rgba(233, 69, 96, 0.2);
        }
        .article-footer .share {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .article-footer .share span {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-footer .share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--border-dark);
            color: var(--text-light);
            transition: var(--transition);
        }
        .article-footer .share a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-light);
            transition: var(--transition);
            padding: 8px 0;
            border-bottom: 1px solid rgba(30, 38, 64, 0.4);
        }
        .sidebar-list a:last-child {
            border-bottom: none;
        }
        .sidebar-list a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .sidebar-list a .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-dark);
        }
        .sidebar-list a .info {
            flex: 1;
        }
        .sidebar-list a .info .title {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-white);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-list a .info .date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 侧边栏分类 */
        .sidebar-categories {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar-categories a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 12px;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            background: rgba(30, 38, 64, 0.2);
        }
        .sidebar-categories a:hover {
            background: rgba(233, 69, 96, 0.1);
            color: var(--accent);
        }
        .sidebar-categories a .count {
            background: var(--border-dark);
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .cta-section .container {
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.3);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: transparent;
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-dark);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-dark);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 1rem;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col ul a i {
            width: 18px;
            text-align: center;
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-dark);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom .copyright a {
            color: var(--text-muted);
        }
        .footer-bottom .copyright a:hover {
            color: var(--accent);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box .icon {
            font-size: 4rem;
            color: var(--accent);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .btn-primary {
            display: inline-flex;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-wrapper {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: rgba(11, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 16px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-dark);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
                align-items: stretch;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav a {
                padding: 12px 0;
                font-size: 1.05rem;
                border-bottom: 1px solid rgba(30, 38, 64, 0.3);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav .nav-cta {
                text-align: center;
                padding: 12px 0;
            }
            .hamburger {
                display: flex;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .article-main {
                padding: 24px;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner {
                padding: 60px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .article-main {
                padding: 16px;
                border-radius: var(--radius-md);
            }
            .article-header h1 {
                font-size: 1.2rem;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }
            .sidebar-card {
                padding: 20px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        /* ===== 加载动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category1 */
/* ============================================================
           :root 设计变量
           ============================================================ */
        :root {
            --clr-primary: #f06292;
            --clr-primary-dark: #d81b60;
            --clr-primary-light: #f48fb1;
            --clr-secondary: #6a1b9a;
            --clr-secondary-light: #9c27b0;
            --clr-accent: #ff6f00;
            --clr-bg: #0a0a0f;
            --clr-bg-alt: #12121a;
            --clr-bg-card: #1a1a26;
            --clr-bg-card-hover: #222233;
            --clr-text: #f5f5f5;
            --clr-text-muted: #9e9eae;
            --clr-text-dim: #6a6a7a;
            --clr-border: #2a2a3a;
            --clr-border-light: #3a3a4a;
            --clr-success: #66bb6a;
            --clr-warning: #ffa726;
            --clr-danger: #ef5350;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.45);
            --shadow-glow: 0 0 30px rgba(240,98,130,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 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; }
        body {
            font-family: var(--font-body);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: var(--clr-primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--clr-primary); }
        a:focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; letter-spacing: 0.02em; }

        /* ============================================================
           容器
           ============================================================ */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 12px; }
        }

        /* ============================================================
           导航 Header
           ============================================================ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 10, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            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: 100%;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--clr-text);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 900;
            color: #fff;
        }
        .logo:hover { color: var(--clr-text); }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--clr-text-muted);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .main-nav a:hover {
            color: var(--clr-text);
            background: rgba(255,255,255,0.06);
        }
        .main-nav a.active {
            color: var(--clr-primary-light);
            background: rgba(240,98,130,0.12);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--clr-primary);
            border-radius: 4px;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: 24px;
            padding: 6px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--clr-primary-light);
            box-shadow: 0 0 0 3px rgba(240,98,130,0.15);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--clr-text);
            font-size: 0.88rem;
            width: 160px;
            padding: 4px 0;
        }
        .header-search input::placeholder { color: var(--clr-text-dim); }
        .header-search button {
            background: transparent;
            border: none;
            color: var(--clr-text-muted);
            cursor: pointer;
            padding: 4px 6px;
            transition: color var(--transition);
        }
        .header-search button:hover { color: var(--clr-primary-light); }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .header-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(240,98,130,0.35);
            color: #fff;
        }
        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--clr-text);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* 移动端导航 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.7);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .mobile-nav-overlay.open { opacity: 1; }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: var(--clr-bg-alt);
            border-left: 1px solid var(--clr-border);
            z-index: 1001;
            padding: 24px 20px;
            transition: right var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .mobile-nav-panel.open { right: 0; }
        .mobile-nav-panel .close-btn {
            align-self: flex-end;
            background: transparent;
            border: none;
            color: var(--clr-text-muted);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--clr-text-muted);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .mobile-nav-panel a:hover { color: var(--clr-text); background: rgba(255,255,255,0.06); }
        .mobile-nav-panel a.active { color: var(--clr-primary-light); background: rgba(240,98,130,0.12); }
        .mobile-nav-panel .mobile-cta {
            margin-top: 8px;
            padding: 12px 20px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            color: #fff;
            border-radius: 24px;
            text-align: center;
            font-weight: 600;
        }
        .mobile-nav-panel .mobile-cta:hover { color: #fff; }

        @media (max-width: 1024px) {
            .header-search input { width: 120px; }
            .header-left { gap: 24px; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .header-search { display: none; }
            .header-cta { display: none; }
            .menu-toggle { display: block; }
            .mobile-nav-overlay { display: block; }
            .mobile-nav-panel { display: flex; }
            .site-header .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .logo { font-size: 1.2rem; }
            .logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
        }

        /* ============================================================
           分类 Banner
           ============================================================ */
        .category-banner {
            margin-top: var(--header-height);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(106,27,154,0.2), rgba(240,98,130,0.08)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            isolation: isolate;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(10,10,15,0.5), rgba(10,10,15,0.85));
            z-index: 0;
        }
        .category-banner .container { position: relative; z-index: 1; }
        .category-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            margin-bottom: 20px;
        }
        .category-banner .breadcrumb a { color: var(--clr-text-muted); }
        .category-banner .breadcrumb a:hover { color: var(--clr-primary-light); }
        .category-banner .breadcrumb .sep { color: var(--clr-text-dim); }
        .category-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner .subtitle {
            font-size: 1.15rem;
            color: var(--clr-text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .category-banner .stats-row {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .category-banner .stat-item {
            display: flex;
            flex-direction: column;
        }
        .category-banner .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--clr-primary-light);
        }
        .category-banner .stat-item .label {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
        }
        @media (max-width: 768px) {
            .category-banner { padding: 80px 0 60px; }
            .category-banner h1 { font-size: 2.2rem; }
            .category-banner .subtitle { font-size: 1rem; }
            .category-banner .stats-row { gap: 24px; }
            .category-banner .stat-item .num { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .category-banner h1 { font-size: 1.8rem; }
            .category-banner .stats-row { gap: 16px; }
        }

        /* ============================================================
           通用板块标题
           ============================================================ */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header .left h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--clr-text);
        }
        .section-header .left p {
            font-size: 0.95rem;
            color: var(--clr-text-muted);
            margin-top: 4px;
        }
        .section-header .right a {
            font-size: 0.9rem;
            color: var(--clr-primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }
        .section-header .right a:hover { color: var(--clr-primary); }
        @media (max-width: 768px) {
            .section-header .left h2 { font-size: 1.5rem; }
            .section-header { margin-bottom: 24px; }
        }

        /* ============================================================
           游戏分类筛选
           ============================================================ */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 40px;
            padding: 16px 0;
            border-bottom: 1px solid var(--clr-border);
        }
        .filter-bar .filter-btn {
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--clr-text-muted);
            background: transparent;
            border: 1px solid var(--clr-border);
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
        }
        .filter-bar .filter-btn.active {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #fff;
        }
        @media (max-width: 520px) {
            .filter-bar .filter-btn { font-size: 0.8rem; padding: 4px 14px; }
        }

        /* ============================================================
           游戏卡片网格
           ============================================================ */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--clr-border);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            cursor: pointer;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            border-color: var(--clr-border-light);
        }
        .game-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .card-img img { transform: scale(1.06); }
        .game-card .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .game-card .card-img .badge.hot { background: var(--clr-danger); border-color: var(--clr-danger); }
        .game-card .card-img .badge.new { background: var(--clr-success); border-color: var(--clr-success); }
        .game-card .card-img .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.4);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .game-card:hover .card-img .play-overlay { opacity: 1; }
        .game-card .card-img .play-overlay .play-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(240,98,130,0.9);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            backdrop-filter: blur(4px);
            transition: transform var(--transition);
        }
        .game-card:hover .card-img .play-overlay .play-btn { transform: scale(1.1); }
        .game-card .card-body {
            padding: 16px 18px 20px;
        }
        .game-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 6px;
        }
        .game-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--clr-text-dim);
            margin-bottom: 10px;
        }
        .game-card .card-body .meta i { margin-right: 2px; }
        .game-card .card-body .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .game-card .card-body .tags span {
            padding: 2px 10px;
            border-radius: 10px;
            font-size: 0.72rem;
            background: rgba(255,255,255,0.06);
            color: var(--clr-text-muted);
            border: 1px solid var(--clr-border);
        }
        .game-card .card-body .tags span.action { border-color: rgba(240,98,130,0.3); color: var(--clr-primary-light); }
        .game-card .card-body .tags span.strategy { border-color: rgba(106,27,154,0.3); color: var(--clr-secondary-light); }
        .game-card .card-body .tags span.casual { border-color: rgba(102,187,106,0.3); color: var(--clr-success); }

        @media (max-width: 1024px) {
            .game-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            .game-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
        }
        @media (max-width: 520px) {
            .game-grid { grid-template-columns: 1fr; gap: 14px; }
            .game-card .card-body { padding: 12px 14px 16px; }
            .game-card .card-body h3 { font-size: 1rem; }
        }

        /* ============================================================
           热门排行榜
           ============================================================ */
        .rank-section {
            padding: 80px 0;
            background: var(--clr-bg-alt);
        }
        .rank-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
        }
        .rank-item:hover {
            background: var(--clr-bg-card-hover);
            border-color: var(--clr-border-light);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--clr-text-dim);
            min-width: 36px;
            text-align: center;
        }
        .rank-item:nth-child(1) .rank-num,
        .rank-item:nth-child(2) .rank-num,
        .rank-item:nth-child(3) .rank-num {
            color: var(--clr-primary);
        }
        .rank-item .rank-img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .rank-item .rank-info { flex: 1; min-width: 0; }
        .rank-item .rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--clr-text);
            margin-bottom: 2px;
        }
        .rank-item .rank-info .rank-meta {
            font-size: 0.78rem;
            color: var(--clr-text-dim);
        }
        .rank-item .rank-score {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--clr-warning);
        }
        @media (max-width: 768px) {
            .rank-list { grid-template-columns: 1fr; }
            .rank-section { padding: 60px 0; }
        }
        @media (max-width: 520px) {
            .rank-item { padding: 10px 14px; gap: 12px; }
            .rank-item .rank-img { width: 44px; height: 44px; }
            .rank-item .rank-info h4 { font-size: 0.88rem; }
        }

        /* ============================================================
           分类特色板块
           ============================================================ */
        .features-section {
            padding: 80px 0;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--clr-border);
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--clr-border-light);
        }
        .feature-card .icon-box {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
        }
        .feature-card .icon-box.pink { background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark)); }
        .feature-card .icon-box.purple { background: linear-gradient(135deg, var(--clr-secondary), var(--clr-secondary-light)); }
        .feature-card .icon-box.orange { background: linear-gradient(135deg, var(--clr-accent), #ff8f00); }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .feature-card { padding: 24px 20px; }
            .features-section { padding: 60px 0; }
        }
        @media (max-width: 520px) {
            .features-grid { grid-template-columns: 1fr; }
            .feature-card .icon-box { width: 52px; height: 52px; font-size: 1.4rem; }
        }

        /* ============================================================
           CTA 板块
           ============================================================ */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(106,27,154,0.12), rgba(240,98,130,0.08)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10,10,15,0.7);
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; text-align: center; }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--clr-text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .cta-section .cta-btn.primary {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            color: #fff;
        }
        .cta-section .cta-btn.primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(240,98,130,0.35);
            color: #fff;
        }
        .cta-section .cta-btn.outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255,255,255,0.25);
        }
        .cta-section .cta-btn.outline:hover {
            border-color: var(--clr-primary-light);
            color: var(--clr-primary-light);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section { padding: 60px 0; }
            .cta-section h2 { font-size: 1.7rem; }
        }
        @media (max-width: 520px) {
            .cta-section .cta-btn { padding: 12px 24px; font-size: 0.9rem; }
        }

        /* ============================================================
           FAQ 板块
           ============================================================ */
        .faq-section {
            padding: 80px 0;
            background: var(--clr-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover { border-color: var(--clr-border-light); }
        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--clr-text);
            font-size: 0.98rem;
            user-select: none;
            transition: color var(--transition);
        }
        .faq-item .faq-q:hover { color: var(--clr-primary-light); }
        .faq-item .faq-q i {
            color: var(--clr-text-muted);
            transition: transform var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-q i { transform: rotate(180deg); color: var(--clr-primary-light); }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 768px) {
            .faq-section { padding: 60px 0; }
            .faq-item .faq-q { padding: 14px 18px; font-size: 0.92rem; }
            .faq-item .faq-a { padding: 0 18px; }
            .faq-item.open .faq-a { padding: 0 18px 16px; }
        }

        /* ============================================================
           页脚
           ============================================================ */
        .site-footer {
            background: var(--clr-bg-alt);
            border-top: 1px solid var(--clr-border);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--clr-border);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--clr-text);
            margin-bottom: 14px;
        }
        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 900;
            color: #fff;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 16px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover { color: var(--clr-primary-light); }
        .footer-col ul li a i { width: 16px; text-align: center; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copyright {
            font-size: 0.82rem;
            color: var(--clr-text-dim);
        }
        .footer-bottom .copyright a { color: var(--clr-text-dim); }
        .footer-bottom .copyright a:hover { color: var(--clr-primary-light); }
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-links a {
            font-size: 0.82rem;
            color: var(--clr-text-dim);
        }
        .footer-bottom .footer-links a:hover { color: var(--clr-primary-light); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .footer-col:first-child { grid-column: 1 / -1; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .site-footer { padding: 40px 0 0; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        /* ============================================================
           辅助类
           ============================================================ */
        .text-center { text-align: center; }
        .mt-12 { margin-top: 12px; }
        .mt-24 { margin-top: 24px; }
        .mb-24 { margin-bottom: 24px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ============================================================
           Foundation 覆盖
           ============================================================ */
        .grid-container { max-width: var(--max-width); padding: 0 24px; }
        @media (max-width: 768px) {
            .grid-container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .grid-container { padding: 0 12px; }
        }

        /* ============================================================
           滚动条
           ============================================================ */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: var(--clr-bg); }
        ::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--clr-border-light); }

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

/* roulang page: category2 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #457b9d;
            --secondary-dark: #1d3557;
            --accent: #f4a261;
            --bg-dark: #0d0d0d;
            --bg-darker: #0a0a0a;
            --bg-card: #1a1a1a;
            --bg-card-hover: #222222;
            --bg-section: #111111;
            --bg-section-alt: #0d0d0d;
            --text-primary: #ffffff;
            --text-secondary: #cccccc;
            --text-muted: #999999;
            --text-dark: #333333;
            --border-color: #2a2a2a;
            --border-light: #333333;
            --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, 0.6);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.15);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 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);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        .container-fluid {
            width: 100%;
            padding: 0 var(--spacing-md);
        }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(13, 13, 13, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            color: #fff;
            font-weight: 900;
            font-size: 1.3rem;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav a.active {
            color: var(--text-primary);
            background: rgba(230, 57, 70, 0.15);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px !important;
            background: var(--primary) !important;
            color: #fff !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            margin-left: 12px;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--bg-section);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 13, 0.95) 0%, rgba(13, 13, 13, 0.7) 50%, rgba(13, 13, 13, 0.9) 100%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }
        .category-banner .breadcrumb a {
            color: var(--text-muted);
        }
        .category-banner .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .category-banner .breadcrumb span {
            color: var(--text-secondary);
        }
        .category-banner h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(135deg, #ffffff 0%, #e63946 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .category-banner .stats-row {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
            flex-wrap: wrap;
        }
        .category-banner .stat-item {
            display: flex;
            flex-direction: column;
        }
        .category-banner .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .category-banner .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* ===== 分类筛选条 ===== */
        .filter-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .filter-bar .filter-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
        }
        .filter-bar .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }
        .filter-bar .filter-btn {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-bar .filter-btn:hover {
            color: var(--text-primary);
            border-color: var(--primary);
        }
        .filter-bar .filter-btn.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }
        .filter-bar .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 6px 16px;
            border: 1px solid var(--border-color);
            min-width: 200px;
        }
        .filter-bar .filter-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            padding: 4px 0;
            width: 100%;
            font-size: 0.9rem;
        }
        .filter-bar .filter-search input::placeholder {
            color: var(--text-muted);
        }
        .filter-bar .filter-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* ===== 游戏卡片网格 ===== */
        .game-grid-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-section);
        }
        .game-grid-section .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }
        .game-grid-section .section-desc {
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .game-card .card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-darker);
        }
        .game-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .game-card:hover .card-image img {
            transform: scale(1.05);
        }
        .game-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            background: rgba(230, 57, 70, 0.9);
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .game-card .card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            font-size: 0.8rem;
            font-weight: 700;
            color: #fff;
            background: rgba(0, 0, 0, 0.7);
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .game-card .card-rating i {
            color: #f4a261;
            font-size: 0.75rem;
        }
        .game-card .card-body {
            padding: 16px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .game-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .game-card .card-meta .tag {
            display: inline-flex;
            align-items: center;
            padding: 2px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }
        .game-card .card-meta .tag.hot {
            color: var(--primary-light);
            border-color: rgba(230, 57, 70, 0.3);
            background: rgba(230, 57, 70, 0.08);
        }
        .game-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .game-card .card-footer .play-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .game-card .card-footer .play-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .game-card .card-footer .play-btn i {
            font-size: 0.8rem;
        }
        .game-card .card-footer .size {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== 特色分类区块 ===== */
        .featured-categories {
            padding: var(--spacing-lg) 0;
            background: var(--bg-section-alt);
        }
        .featured-categories .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 6px;
            text-align: center;
        }
        .featured-categories .section-desc {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
            cursor: default;
        }
        .cat-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .cat-card .cat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            font-size: 1.8rem;
            margin-bottom: var(--spacing-sm);
            transition: var(--transition);
        }
        .cat-card:hover .cat-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .cat-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .cat-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .cat-card .cat-count {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 16px;
            border-radius: 20px;
        }

        /* ===== 热门排行 ===== */
        .rank-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-section);
        }
        .rank-section .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .rank-section .section-desc {
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--text-muted);
            min-width: 36px;
            text-align: center;
            font-variant-numeric: tabular-nums;
        }
        .rank-item:nth-child(1) .rank-num,
        .rank-item:nth-child(2) .rank-num,
        .rank-item:nth-child(3) .rank-num {
            color: var(--primary);
        }
        .rank-item .rank-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-darker);
        }
        .rank-item .rank-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--text-primary);
        }
        .rank-item .rank-info .rank-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .rank-item .rank-info .rank-tags span {
            font-size: 0.75rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 10px;
            border-radius: 12px;
        }
        .rank-item .rank-score {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }
        .rank-item .rank-score i {
            font-size: 0.85rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-section-alt);
        }
        .faq-section .section-title {
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 6px;
        }
        .faq-section .section-desc {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        .faq-list {
            max-width: 800px;
            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: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-question i {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-lg) 0;
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.6rem;
            font-weight: 900;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff 0%, #e63946 60%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto var(--spacing-md);
        }
        .cta-section .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .cta-section .cta-btn.primary {
            background: var(--primary);
            color: #fff;
        }
        .cta-section .cta-btn.primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.3);
        }
        .cta-section .cta-btn.secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .cta-section .cta-btn.secondary:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 1.1rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
        }
        .footer-bottom .copyright {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom .copyright a {
            color: var(--text-muted);
        }
        .footer-bottom .copyright a:hover {
            color: var(--primary-light);
        }
        .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 820px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-banner h1 {
                font-size: 2.4rem;
            }
            .category-banner .stats-row {
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(13, 13, 13, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                padding: var(--spacing-sm);
                gap: 4px;
                box-shadow: var(--shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 20px;
                justify-content: center;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(230, 57, 70, 0.15);
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                margin-left: 0;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }
            .category-banner {
                padding: var(--spacing-lg) 0;
                min-height: auto;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .category-banner .subtitle {
                font-size: 1rem;
            }
            .category-banner .stats-row {
                gap: var(--spacing-sm);
            }
            .category-banner .stat-number {
                font-size: 1.6rem;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar .filter-group {
                justify-content: center;
            }
            .filter-bar .filter-search {
                width: 100%;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .rank-item {
                flex-wrap: wrap;
                padding: 12px 16px;
            }
            .rank-item .rank-thumb {
                width: 48px;
                height: 48px;
            }
            .rank-item .rank-score {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .game-grid {
                grid-template-columns: 1fr;
            }
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner .subtitle {
                font-size: 0.9rem;
            }
            .category-banner .stats-row {
                flex-direction: column;
                gap: 8px;
            }
            .section-title {
                font-size: 1.4rem !important;
            }
            .cta-section .cta-btn {
                width: 100%;
                justify-content: center;
            }
            .cta-section .cta-btn-group {
                flex-direction: column;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: linear-gradient(135deg, #ffffff 0%, #e63946 60%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .text-center {
            text-align: center;
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .mb-sm {
            margin-bottom: var(--spacing-sm);
        }
        .mb-md {
            margin-bottom: var(--spacing-md);
        }
        .gap-sm {
            gap: var(--spacing-sm);
        }
        .gap-md {
            gap: var(--spacing-md);
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }