/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d0d1a;
            --primary-light: #1a1a2e;
            --primary-surface: #12121f;
            --accent: #f0b90b;
            --accent-hover: #d4a017;
            --accent-glow: rgba(240, 185, 11, 0.15);
            --accent-soft: #fae6a0;
            --text-light: #f5f5f7;
            --text-body: #c8c8d0;
            --text-muted: #8888a0;
            --border-color: #2a2a40;
            --border-light: #3a3a50;
            --card-bg: #16162a;
            --card-bg-hover: #1c1c34;
            --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 56px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-body);
            background: var(--primary);
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.25;
            color: var(--text-light);
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(13, 13, 26, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(42, 42, 64, 0.5);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: rgba(13, 13, 26, 0.96);
            border-color: var(--border-color);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
            font-size: 26px;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .nav-list a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.2px;
            transition: color var(--transition);
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-list a:hover {
            color: var(--text-light);
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .nav-list a.active {
            color: var(--accent);
        }
        .nav-list a.active::after {
            width: 100%;
            background: var(--accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-search {
            color: var(--text-muted);
            font-size: 18px;
            transition: color var(--transition);
        }
        .nav-search:hover {
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-light);
            background: none;
            border: none;
            padding: 4px;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(13, 13, 26, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 20px 24px 32px;
            flex-direction: column;
            gap: 16px;
            z-index: 999;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 17px;
            font-weight: 500;
            color: var(--text-body);
            padding: 10px 0;
            border-bottom: 1px solid rgba(42, 42, 64, 0.4);
            transition: color var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            overflow: hidden;
            background: var(--primary);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            mix-blend-mode: luminosity;
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(13, 13, 26, 0.3) 0%, var(--primary) 80%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-glow);
            border: 1px solid rgba(240, 185, 11, 0.25);
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-soft);
            letter-spacing: 0.5px;
            margin-bottom: 28px;
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero h1 {
            font-size: 56px;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.1;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--accent), #fcd34d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 19px;
            color: var(--text-body);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            box-shadow: 0 4px 24px rgba(240, 185, 11, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 8px 32px rgba(240, 185, 11, 0.45);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-glow);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }
        .hero-scroll {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: var(--text-muted);
            font-size: 20px;
            animation: scrollBounce 2s infinite;
        }
        @keyframes scrollBounce {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(8px);
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 100px 0;
        }
        .section-dark {
            background: var(--primary-surface);
        }
        .section-light {
            background: var(--primary-light);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 60px;
        }
        .section-header h2 {
            font-size: 38px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .section-header h2 i {
            color: var(--accent);
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent);
            margin-bottom: 12px;
            background: var(--accent-glow);
            padding: 4px 16px;
            border-radius: 100px;
        }

        /* ===== 核心说明 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-text h3 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-light);
        }
        .intro-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .intro-text .feature-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 15px;
            color: var(--text-body);
        }
        .intro-text .feature-list li i {
            color: var(--accent);
            font-size: 18px;
            width: 24px;
            text-align: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--card-bg);
        }
        .intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== 分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .cat-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            position: relative;
        }
        .cat-card:hover {
            border-color: var(--accent);
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(240, 185, 11, 0.08);
        }
        .cat-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .cat-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cat-card:hover .cat-card-img img {
            transform: scale(1.05);
        }
        .cat-card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 13, 26, 0.7) 0%, transparent 60%);
        }
        .cat-card-body {
            padding: 24px 24px 28px;
        }
        .cat-card-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-light);
        }
        .cat-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .cat-card-body .btn {
            padding: 8px 20px;
            font-size: 13px;
        }

        /* ===== 最新资讯 / CMS列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-img .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.3px;
        }
        .news-card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card-body .meta i {
            margin-right: 4px;
            font-size: 12px;
        }
        .news-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color var(--transition);
        }
        .news-card:hover .news-card-body h3 {
            color: var(--accent);
        }
        .news-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .news-card-body .read-more {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .news-card-body .read-more:hover {
            gap: 12px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 16px;
        }
        .news-empty i {
            font-size: 40px;
            color: var(--border-color);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .stat-item .number {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), #fcd34d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-item .label {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-item i {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
            opacity: 0.7;
        }

        /* ===== 游戏推荐 ===== */
        .rec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .rec-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            position: relative;
        }
        .rec-card:hover {
            border-color: var(--accent);
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(240, 185, 11, 0.06);
        }
        .rec-card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .rec-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .rec-card:hover .rec-card-img img {
            transform: scale(1.06);
        }
        .rec-card-img .rank {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.3);
        }
        .rec-card-body {
            padding: 22px 24px 26px;
        }
        .rec-card-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .rec-card-body .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .rec-card-body .tags span {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 12px;
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .rec-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-light);
            cursor: pointer;
            transition: color var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 16px;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-light);
            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: 0.05;
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .cta-box p {
            font-size: 17px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-box .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            font-size: 18px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-social a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .intro-image img {
                height: 300px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
            }
            .nav-actions {
                gap: 12px;
            }
            .nav-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero p {
                font-size: 16px;
            }
            .section {
                padding: 64px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .rec-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .number {
                font-size: 32px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .cta-box {
                padding: 48px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero {
                min-height: 80vh;
                padding: 100px 20px 60px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 16px;
            }
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 15px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .number {
                font-size: 28px;
            }
            .intro-image img {
                height: 220px;
            }
            .news-card-img {
                height: 180px;
            }
            .rec-card-img {
                height: 180px;
            }
            .cat-card-img {
                height: 160px;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #6c3bff;
            --clr-primary-light: #8b66ff;
            --clr-primary-dark: #4a1fd1;
            --clr-accent: #ff6b9d;
            --clr-accent-light: #ff8fb3;
            --clr-accent-dark: #e04a7a;
            --clr-bg: #0c0b14;
            --clr-bg-alt: #14121f;
            --clr-bg-card: #1b1828;
            --clr-bg-elevated: #221f33;
            --clr-text: #f0eef6;
            --clr-text-secondary: #a8a2c0;
            --clr-text-muted: #6b6590;
            --clr-border: #2d2844;
            --clr-border-light: #3d3757;
            --clr-glow: rgba(108, 59, 255, 0.25);
            --clr-glow-accent: rgba(255, 107, 157, 0.2);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.45);
            --shadow-glow: 0 0 30px var(--clr-glow);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { color: var(--clr-primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--clr-accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--clr-text); }
        h1 { font-size: 2.6rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--clr-text-secondary); }
        .section-title {
            font-size: 2rem;
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            text-align: center;
            color: var(--clr-text-muted);
            margin-bottom: 3rem;
            font-size: 1.05rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            h3 { font-size: 1.2rem; }
            .section-title { font-size: 1.6rem; }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
            background: transparent;
            color: var(--clr-text);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            color: #fff;
            border-color: var(--clr-primary);
            box-shadow: 0 4px 20px var(--clr-glow);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary));
            transform: translateY(-3px);
            box-shadow: 0 8px 32px var(--clr-glow);
            color: #fff;
        }
        .btn-outline {
            border-color: var(--clr-border-light);
            color: var(--clr-text-secondary);
        }
        .btn-outline:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary-light);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(12, 11, 20, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--clr-border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(12, 11, 20, 0.96);
            box-shadow: 0 4px 30px rgba(0,0,0,0.4);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--clr-text);
        }
        .logo i {
            color: var(--clr-accent);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--clr-text), var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover { opacity: 0.9; color: var(--clr-text); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--clr-text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--clr-text);
            background: rgba(108, 59, 255, 0.1);
        }
        .nav-list a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            box-shadow: 0 4px 16px var(--clr-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            color: var(--clr-text-secondary);
            font-size: 1.1rem;
            padding: 8px;
            transition: var(--transition);
        }
        .nav-search:hover { color: var(--clr-primary-light); }
        .nav-toggle {
            display: none;
            background: none;
            color: var(--clr-text);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--clr-bg-card); }

        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(12, 11, 20, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--clr-border);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1rem;
            }
            .nav-toggle { display: block; }
        }

        /* ===== Hero Banner (Inner) ===== */
        .page-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, var(--clr-bg) 0%, var(--clr-bg-alt) 50%, var(--clr-bg) 100%);
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, var(--clr-glow) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--clr-glow-accent) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
            background: linear-gradient(135deg, var(--clr-text), var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            color: var(--clr-text-muted);
            font-size: 0.9rem;
        }
        .page-hero .breadcrumb a { color: var(--clr-text-secondary); }
        .page-hero .breadcrumb a:hover { color: var(--clr-primary-light); }
        .page-hero .breadcrumb span { color: var(--clr-text); }
        @media (max-width: 768px) {
            .page-hero { padding: 100px 0 40px; min-height: 200px; }
            .page-hero h1 { font-size: 1.6rem; }
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-md);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--clr-border);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--clr-text-muted);
            font-size: 0.9rem;
        }
        .article-meta .meta-item i { color: var(--clr-primary-light); }
        .article-meta .category-badge {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-featured-image {
            margin-bottom: 28px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--clr-text-secondary);
        }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--clr-text);
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
            list-style: disc;
        }
        .article-body a {
            color: var(--clr-accent);
            text-decoration: underline;
        }
        .article-body a:hover { color: var(--clr-accent-light); }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--clr-primary);
            background: var(--clr-bg-elevated);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--clr-text-secondary);
        }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--clr-text-muted);
            margin-bottom: 1rem;
        }
        .article-not-found h2 {
            margin-bottom: 1rem;
        }
        .article-not-found p {
            margin-bottom: 1.5rem;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--clr-border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i { color: var(--clr-accent); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--clr-border);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--clr-text-secondary);
            font-size: 0.95rem;
        }
        .sidebar-list a:hover { color: var(--clr-primary-light); }
        .sidebar-list a i { color: var(--clr-primary-light); font-size: 0.8rem; }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .sidebar-tags a {
            background: var(--clr-bg-elevated);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--clr-text-secondary);
            border: 1px solid var(--clr-border);
            transition: var(--transition);
        }
        .sidebar-tags a:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary-light);
            background: rgba(108, 59, 255, 0.08);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-bg-card));
            border: 1px solid var(--clr-primary);
            text-align: center;
        }
        .sidebar-cta h3 { border-bottom: none; justify-content: center; }
        .sidebar-cta p { margin-bottom: 1.2rem; }

        @media (max-width: 1024px) {
            .article-wrapper {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .article-content { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .article-meta { gap: 10px; }
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0;
            background: var(--clr-bg-alt);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--clr-border);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--clr-border-light);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 18px 20px 22px;
        }
        .related-card-body h4 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
        }
        .related-card-body h4 a { color: var(--clr-text); }
        .related-card-body h4 a:hover { color: var(--clr-primary-light); }
        .related-card-body .meta {
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        @media (max-width: 768px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--clr-bg);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, var(--clr-glow) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            background: var(--clr-bg-card);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-lg);
        }
        .cta-box h2 {
            margin-bottom: 0.75rem;
        }
        .cta-box p {
            margin-bottom: 1.8rem;
            color: var(--clr-text-muted);
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-box { padding: 36px 24px; }
        }

        /* ===== Footer ===== */
        .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: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--clr-border);
        }
        .footer-brand .logo { font-size: 1.3rem; margin-bottom: 1rem; }
        .footer-brand p { font-size: 0.95rem; color: var(--clr-text-muted); max-width: 300px; }
        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: 1rem;
            color: var(--clr-text);
        }
        .footer-col ul li { margin-bottom: 0.5rem; }
        .footer-col ul a {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul a:hover { color: var(--clr-primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--clr-text-muted);
            font-size: 0.85rem;
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            color: var(--clr-text-muted);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-social a:hover { color: var(--clr-accent); transform: scale(1.15); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ===== Utilities ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gap-1 { gap: 8px; }
        .gap-2 { gap: 16px; }
        .gap-3 { gap: 24px; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .text-center { text-align: center; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #7C3AED;
            --primary-light: #A78BFA;
            --primary-dark: #5B21B6;
            --accent: #F59E0B;
            --accent-light: #FCD34D;
            --accent-dark: #D97706;
            --bg-dark: #0B0B1A;
            --bg-card: #13132B;
            --bg-surface: #1A1A3E;
            --text-main: #F1F0FF;
            --text-muted: #9CA3AF;
            --text-dim: #6B7280;
            --border-color: rgba(167, 139, 250, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(167, 139, 250, 0.05);
            --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== 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-main);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 11, 26, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-color);
            padding: 0 24px;
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 11, 26, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 32px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent);
            font-size: 26px;
            transition: var(--transition);
        }
        .logo:hover i {
            transform: rotate(-10deg) scale(1.1);
        }
        .logo span {
            background: linear-gradient(135deg, #fff 40%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.2px;
        }
        .nav-list a:hover {
            color: #fff;
            background: rgba(167, 139, 250, 0.08);
        }
        .nav-list a.active {
            color: #fff;
            background: rgba(124, 58, 237, 0.2);
            box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.2);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 18px;
        }
        .nav-search:hover {
            color: #fff;
            background: rgba(167, 139, 250, 0.1);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 20px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            color: #fff;
            background: rgba(167, 139, 250, 0.1);
        }

        /* 移动端导航抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 2000;
            background: rgba(11, 11, 26, 0.7);
            backdrop-filter: blur(8px);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer-inner {
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: var(--bg-card);
            border-left: 1px solid var(--border-color);
            padding: 80px 32px 40px;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-drawer.open .mobile-drawer-inner {
            transform: translateX(0);
        }
        .mobile-drawer-close {
            position: absolute;
            top: 18px;
            right: 24px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 22px;
            transition: var(--transition);
        }
        .mobile-drawer-close:hover {
            color: #fff;
            background: rgba(167, 139, 250, 0.1);
        }
        .mobile-drawer .nav-list-mobile {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-drawer .nav-list-mobile a {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .mobile-drawer .nav-list-mobile a:hover,
        .mobile-drawer .nav-list-mobile a.active {
            color: #fff;
            background: rgba(124, 58, 237, 0.15);
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .header-inner {
                height: 60px;
                gap: 16px;
            }
            .logo {
                font-size: 19px;
            }
            .logo i {
                font-size: 22px;
            }
        }

        /* ===== Banner / Hero ===== */
        .category-banner {
            position: relative;
            padding: 100px 0 80px;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .category-banner-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            filter: brightness(0.35) saturate(1.2);
            transform: scale(1.02);
            transition: transform 0.8s ease;
        }
        .category-banner:hover .category-banner-bg {
            transform: scale(1.05);
        }
        .category-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 11, 26, 0.85) 30%, rgba(124, 58, 237, 0.25) 70%, rgba(11, 11, 26, 0.6) 100%);
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-banner h1 {
            font-size: clamp(36px, 6vw, 64px);
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner p {
            font-size: clamp(16px, 2vw, 20px);
            color: rgba(255, 255, 255, 0.7);
            max-width: 660px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(167, 139, 250, 0.12);
            border: 1px solid rgba(167, 139, 250, 0.2);
            border-radius: 100px;
            padding: 6px 18px;
            font-size: 14px;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .category-banner .banner-badge i {
            font-size: 12px;
        }
        @media (max-width: 768px) {
            .category-banner {
                padding: 80px 0 60px;
                min-height: 300px;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-card);
        }
        .section-darker {
            background: rgba(11, 11, 26, 0.6);
        }
        .section-title {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-title h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-muted);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-title .title-accent {
            display: inline-block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            margin-top: 16px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 36px;
            }
        }

        /* ===== 分类标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 48px;
        }
        .filter-tab {
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-tab:hover {
            color: #fff;
            border-color: rgba(167, 139, 250, 0.3);
            background: rgba(167, 139, 250, 0.08);
        }
        .filter-tab.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: rgba(167, 139, 250, 0.2);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(167, 139, 250, 0.1);
        }
        .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-surface);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.06);
        }
        .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 12px rgba(124, 58, 237, 0.3);
            z-index: 2;
        }
        .card-img .card-tag.hot {
            background: #EF4444;
        }
        .card-img .card-tag.new {
            background: #10B981;
        }
        .card-body {
            padding: 22px 24px 24px;
        }
        .card-body .card-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--text-main);
        }
        .card-body h3 a:hover {
            color: var(--primary-light);
        }
        .card-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-dim);
        }
        .card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .card-meta i {
            font-size: 12px;
            color: var(--text-dim);
        }
        .card-meta .rating {
            color: var(--accent);
        }
        .card-meta .rating i {
            color: var(--accent);
        }

        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-body {
                padding: 18px 18px 20px;
            }
        }

        /* ===== 文章列表 ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-item:hover {
            border-color: rgba(167, 139, 250, 0.2);
            transform: translateX(4px);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }
        .article-item .article-rank {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-dim);
        }
        .article-item .article-rank.top {
            color: var(--accent);
        }
        .article-item .article-rank.top-2 {
            color: var(--primary-light);
        }
        .article-item .article-content {
            flex: 1;
        }
        .article-item .article-content h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .article-item .article-content h4 a:hover {
            color: var(--primary-light);
        }
        .article-item .article-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .article-item .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 8px;
        }
        .article-item .article-meta i {
            margin-right: 4px;
        }
        .article-item .article-thumb {
            width: 100px;
            min-height: 70px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-surface);
        }
        .article-item .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 640px) {
            .article-item {
                flex-direction: column;
                padding: 16px 18px;
                gap: 12px;
            }
            .article-item .article-thumb {
                width: 100%;
                height: 140px;
                order: -1;
            }
            .article-item .article-rank {
                display: none;
            }
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: rgba(167, 139, 250, 0.2);
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .rank-number {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-dim);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-number {
            background: var(--accent);
            color: #1a1a2e;
        }
        .rank-item:nth-child(2) .rank-number {
            background: var(--primary-light);
            color: #1a1a2e;
        }
        .rank-item:nth-child(3) .rank-number {
            background: #CD7F32;
            color: #fff;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-info p {
            font-size: 13px;
            color: var(--text-muted);
        }
        .rank-score {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .rank-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(245, 158, 11, 0.08) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid rgba(167, 139, 250, 0.1);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(124, 58, 237, 0.06) 0%, transparent 60%),
                radial-gradient(circle at 70% 60%, rgba(245, 158, 11, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-block p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 500px;
            margin: 0 auto 28px;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 24px rgba(124, 58, 237, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(124, 58, 237, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: #fff;
            background: rgba(167, 139, 250, 0.08);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #1a1a2e;
            box-shadow: 0 4px 24px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.4);
        }
        @media (max-width: 640px) {
            .cta-block {
                padding: 36px 20px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(167, 139, 250, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-dim);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            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;
            padding: 24px 0 32px;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-bottom span {
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .footer-social a:hover {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 540px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 回到顶部 ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 900;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 24px rgba(124, 58, 237, 0.3);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(124, 58, 237, 0.4);
        }
        @media (max-width: 640px) {
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-8 {
            margin-top: 32px;
        }
        .text-center {
            text-align: center;
        }