/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #ff6b35;
            --primary-dark: #e0552a;
            --primary-light: #ff8a5c;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d4a;
            --accent: #ffd700;
            --accent-dark: #e6c200;
            --bg: #f5f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-dark-card: #1a1a2e;
            --text: #2d3436;
            --text-light: #636e72;
            --text-lighter: #b2bec3;
            --text-white: #ffffff;
            --border: #e8e8ec;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 通用组件 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: var(--text-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-title p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-title p {
            color: var(--text-lighter);
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 20px;
        }
        .section-dark .section-divider {
            background: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--secondary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-hot {
            background: #ff4757;
            color: #fff;
        }
        .badge-new {
            background: #2ed573;
            color: #fff;
        }
        .badge-tag {
            background: var(--border);
            color: var(--text-light);
        }
        .badge-primary {
            background: var(--primary);
            color: #fff;
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 24px 24px;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-text {
            color: var(--text-light);
            font-size: 0.9rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.8rem;
            color: var(--text-lighter);
        }
        .card-meta i {
            margin-right: 4px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--border);
            color: var(--text-light);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .tag-primary {
            background: rgba(255, 107, 53, 0.12);
            color: var(--primary);
        }
        .tag-primary:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--header-height);
            transition: var(--transition);
        }
        .header .container-wide {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            color: var(--text-white);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 50px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-list a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-list a.active:hover {
            background: var(--primary-dark);
        }
        .nav-cta {
            margin-left: 12px;
        }
        .nav-cta .btn {
            padding: 8px 22px;
            font-size: 0.85rem;
        }
        .nav-badge {
            position: relative;
        }
        .nav-badge .badge {
            position: absolute;
            top: -6px;
            right: -8px;
            padding: 2px 8px;
            font-size: 0.6rem;
        }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 88vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(15, 15, 26, 0.88), rgba(26, 26, 46, 0.92)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-attachment: fixed;
            padding-top: var(--header-height);
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 60px 0 80px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 6px 18px;
            border-radius: 50px;
            color: var(--text-lighter);
            font-size: 0.8rem;
            margin-bottom: 20px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 3.4rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 16px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 580px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }
        .hero-stat .num i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-right: 4px;
        }

        /* ===== 特色板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: #fff;
            background: var(--primary);
        }
        .feature-icon.orange {
            background: var(--primary);
        }
        .feature-icon.green {
            background: #2ed573;
        }
        .feature-icon.blue {
            background: #3742fa;
        }
        .feature-icon.purple {
            background: #a55eea;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        /* ===== 分类入口 ===== */
        .category-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .category-info h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .category-info p {
            color: var(--text-light);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .category-info .btn {
            margin-top: 4px;
        }
        .category-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .category-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .category-image .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px 28px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
            color: #fff;
        }
        .category-image .overlay h4 {
            color: #fff;
            font-size: 1.2rem;
        }
        .category-image .overlay p {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .card-img-wrap .badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .news-card .card-body {
            padding: 18px 20px 20px;
        }
        .news-card .card-body .tag {
            margin-bottom: 8px;
        }
        .news-card .card-body .card-title {
            font-size: 1rem;
            -webkit-line-clamp: 2;
            margin-bottom: 6px;
        }
        .news-card .card-body .card-text {
            font-size: 0.85rem;
            -webkit-line-clamp: 2;
            margin-bottom: 10px;
        }
        .news-card .card-body .card-meta {
            margin-top: 8px;
            font-size: 0.78rem;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-lighter);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .news-empty i {
            font-size: 2.4rem;
            display: block;
            margin-bottom: 16px;
            color: var(--border);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-dark-card);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(255, 107, 53, 0.3);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--text-white);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .stat-card .num i {
            color: var(--accent);
            font-size: 1.6rem;
            margin-right: 4px;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
        }

        /* ===== 游戏推荐 ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .game-card .game-img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
        }
        .game-card .game-body {
            padding: 16px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .game-card .game-body h4 {
            font-size: 1rem;
        }
        .game-card .game-body .tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .game-card .game-body .tags .tag {
            font-size: 0.7rem;
            padding: 2px 10px;
        }
        .game-card .game-body .game-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 6px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .game-card .game-body .game-meta i {
            color: var(--accent-dark);
        }
        .game-card .game-body .btn {
            margin-top: 8px;
            width: 100%;
            justify-content: center;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            user-select: none;
        }
        .faq-question i {
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .faq-item.active .faq-question 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-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(15, 15, 26, 0.92), rgba(26, 26, 46, 0.95)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            text-align: center;
            position: relative;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-size: 2.2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 2.6rem;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-list {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: var(--shadow-lg);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 18px;
                font-size: 0.95rem;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 4px;
                width: 100%;
            }
            .nav-cta .btn {
                width: 100%;
                justify-content: center;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                min-height: 70vh;
                background-attachment: scroll;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat .num {
                font-size: 1.4rem;
            }
            .section {
                padding: 56px 0;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 16px 20px;
            }
            .category-showcase {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-image {
                order: -1;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .games-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .num {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .games-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .hero-stat {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            .hero-stat .label {
                margin-top: 0;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --accent-light: #f9c78a;
            --bg: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-muted: #adb5bd;
            --border: #e9ecef;
            --border-light: #f1f3f5;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-btn: 0 4px 14px rgba(230, 57, 70, 0.35);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1200px;
            --container-narrow: 860px;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
        }

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

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(26, 26, 46, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1000;
            transition: var(--transition);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .logo i {
            color: var(--primary);
            font-size: 26px;
            filter: drop-shadow(0 0 8px rgba(230, 57, 70, 0.4));
        }

        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list a {
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-list a.active {
            color: #fff;
            background: rgba(230, 57, 70, 0.2);
        }

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

        .nav-badge {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .badge {
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 20px;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }

        .badge-hot {
            background: linear-gradient(135deg, #e63946, #ff6b6b);
            color: #fff;
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.1);
        }

        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 24px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: calc(var(--header-h) + 48px) 0 48px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.95) 100%);
            pointer-events: none;
        }

        .article-hero .container-narrow {
            position: relative;
            z-index: 2;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

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

        .article-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        .article-breadcrumb .current {
            color: rgba(255, 255, 255, 0.85);
        }

        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            font-size: 14px;
            color: var(--primary-light);
        }

        .article-category-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 56px 0 64px;
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px;
            font-size: 17px;
            line-height: 1.85;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 20px;
        }

        .article-body h2 {
            font-size: 26px;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--secondary);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .article-body h3 {
            font-size: 22px;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 8px;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 8px;
        }

        .article-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230, 57, 70, 0.05);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }

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

        .article-body a:hover {
            color: var(--primary-dark);
        }

        .article-body .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-body .tag-list .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: var(--bg);
            color: var(--text-light);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }

        .article-body .tag-list .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Article Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .not-found-box i {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .not-found-box h2 {
            font-size: 28px;
            color: var(--text);
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-light);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .not-found-box .btn {
            display: inline-flex;
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 56px 0;
            background: var(--bg);
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .related-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--secondary);
        }

        .related-header a {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
        }

        .related-header a:hover {
            color: var(--primary-dark);
        }

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

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

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

        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .related-card .card-body {
            padding: 20px 24px 24px;
        }

        .related-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body h3 a {
            color: var(--text);
        }

        .related-card .card-body h3 a:hover {
            color: var(--primary);
        }

        .related-card .card-body .card-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .related-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .related-card .card-body .card-meta .cat {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== CTA ===== */
        .article-cta {
            padding: 64px 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .article-cta .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .article-cta h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .article-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .article-cta .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: #0f0f1a;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 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: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

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

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            transition: var(--transition);
        }

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

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

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

            .article-body {
                padding: 36px 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                gap: 4px;
            }

            .nav-list.open {
                display: flex;
            }

            .nav-list a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

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

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

            .nav-toggle {
                display: flex;
            }

            .article-hero {
                padding: calc(var(--header-h) + 32px) 0 32px;
            }

            .article-hero h1 {
                font-size: 26px;
            }

            .article-body {
                padding: 24px 20px;
                font-size: 16px;
            }

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

            .article-body h3 {
                font-size: 19px;
            }

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

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

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

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

            .article-cta .btn-group {
                flex-direction: column;
                align-items: stretch;
            }

            .article-cta .btn-group .btn {
                width: 100%;
            }
        }

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

            .article-hero h1 {
                font-size: 22px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-body {
                padding: 20px 16px;
                font-size: 15px;
            }

            .related-header h2 {
                font-size: 22px;
            }

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

            .not-found-box i {
                font-size: 48px;
            }

            .not-found-box h2 {
                font-size: 22px;
            }
        }

        @media (min-width: 769px) {
            .nav-list {
                display: flex !important;
            }
        }

        /* ===== Print ===== */
        @media print {
            .header,
            .footer,
            .article-cta,
            .related-section {
                display: none;
            }
            .article-hero {
                padding: 24px 0;
                background: #fff;
            }
            .article-hero h1 {
                color: #000;
            }
            .article-meta {
                color: #666;
            }
            .article-body {
                box-shadow: none;
                padding: 24px 0;
            }
            body {
                background: #fff;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e6454a;
            --primary-dark: #c92d32;
            --primary-light: #fce8e9;
            --primary-gradient: linear-gradient(135deg, #e6454a 0%, #c92d32 100%);
            --secondary: #ff8c42;
            --secondary-light: #fff0e6;
            --accent: #2d9cdb;
            --accent-light: #e8f4fd;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8e8ea0;
            --text-inverse: #ffffff;
            --border-color: #e8e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 12px 36px rgba(230, 69, 74, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container: 1200px;
            --container-wide: 1400px;
            --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-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary);
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.15rem;
        }

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

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

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover {
            color: var(--text-primary);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list>a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }
        .nav-list>a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-list>a.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-list>a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary-gradient);
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .badge {
            display: inline-block;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .badge-hot {
            background: var(--primary);
            color: #fff;
        }
        .badge-new {
            background: var(--accent);
            color: #fff;
        }
        .badge-top {
            background: var(--secondary);
            color: #fff;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
            border-radius: 6px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }
        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-light {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(4px);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.35);
            color: #fff;
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.4rem;
            background: transparent;
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            margin-top: var(--header-height);
            padding: 100px 0 80px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            isolation: isolate;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.60) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            color: var(--text-inverse);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner h1 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .page-banner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .page-banner .banner-tags span {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header .label-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .bg-light {
            background: var(--bg-white);
        }
        .bg-alt {
            background: var(--bg-body);
        }
        .bg-accent {
            background: var(--accent-light);
        }

        /* ===== 攻略分类卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 28px;
        }

        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .guide-card:hover::before {
            opacity: 1;
        }
        .guide-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
            transition: var(--transition);
        }
        .guide-card .icon-wrap.icon-red {
            background: var(--primary-gradient);
        }
        .guide-card .icon-wrap.icon-orange {
            background: linear-gradient(135deg, #ff8c42, #f56a00);
        }
        .guide-card .icon-wrap.icon-blue {
            background: linear-gradient(135deg, #2d9cdb, #1a6ea0);
        }
        .guide-card .icon-wrap.icon-green {
            background: linear-gradient(135deg, #27ae60, #1e8449);
        }
        .guide-card .icon-wrap.icon-purple {
            background: linear-gradient(135deg, #8e44ad, #6c3483);
        }
        .guide-card .icon-wrap.icon-teal {
            background: linear-gradient(135deg, #1abc9c, #148f77);
        }
        .guide-card h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }
        .guide-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .guide-card .guide-count {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 12px;
        }
        .guide-card:hover .guide-count {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 最新攻略列表 ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: default;
        }
        .article-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: transparent;
        }
        .article-item .article-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .article-item:nth-child(1) .article-num {
            background: var(--primary);
            color: #fff;
        }
        .article-item:nth-child(2) .article-num {
            background: var(--secondary);
            color: #fff;
        }
        .article-item:nth-child(3) .article-num {
            background: var(--accent);
            color: #fff;
        }
        .article-item .article-content {
            flex: 1;
            min-width: 0;
        }
        .article-item .article-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            transition: var(--transition);
        }
        .article-item:hover .article-content h4 {
            color: var(--primary);
        }
        .article-item .article-content p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-item .article-meta {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
            min-width: 80px;
        }
        .article-item .article-meta .tag {
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 10px;
            background: var(--border-light);
            color: var(--text-muted);
        }
        .article-item .article-meta .tag.tag-hot {
            background: var(--primary-light);
            color: var(--primary);
        }
        .article-item .article-meta .tag.tag-new {
            background: var(--accent-light);
            color: var(--accent);
        }
        .article-item .article-meta .date {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ===== 热门攻略推荐 (卡片带图) ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .hot-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .hot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .hot-card .hot-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .hot-card:hover .hot-img {
            transform: scale(1.03);
        }
        .hot-card .hot-body {
            padding: 20px 22px 24px;
        }
        .hot-card .hot-body .hot-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 700;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 8px;
        }
        .hot-card .hot-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .hot-card:hover .hot-body h3 {
            color: var(--primary);
        }
        .hot-card .hot-body p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card .hot-body .hot-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .hot-card .hot-body .hot-footer span i {
            margin-right: 4px;
        }

        /* ===== 攻略达人 ===== */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 28px;
        }
        .expert-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .expert-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .expert-card .avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 14px;
            border: 3px solid var(--primary-light);
            transition: var(--transition);
        }
        .expert-card:hover .avatar {
            border-color: var(--primary);
        }
        .expert-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .expert-card .expert-title {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .expert-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 14px;
        }
        .expert-card .expert-stats {
            display: flex;
            justify-content: center;
            gap: 16px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .expert-card .expert-stats i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            gap: 12px;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-q .fa-chevron-down {
            transition: var(--transition);
        }
        .faq-item.active .faq-q .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }
        .faq-item .faq-q .faq-q-icon {
            color: var(--primary);
            margin-right: 8px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(26, 26, 46, 0.7) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            color: var(--text-inverse);
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .footer .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer .logo i {
            color: var(--primary);
        }
        .footer .logo span {
            -webkit-text-fill-color: #fff;
            background: none;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary-gradient);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-col ul li a i {
            font-size: 0.8rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 返回顶部 ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 999;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .guide-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
            .hot-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-light);
                align-items: stretch;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list>a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-list>a.active::after {
                display: none;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }
            .nav-cta .btn {
                width: 100%;
                justify-content: center;
            }
            .nav-toggle {
                display: flex;
            }

            .page-banner {
                padding: 80px 0 60px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 1rem;
            }

            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }

            .guide-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .guide-card {
                padding: 24px 16px 20px;
            }
            .guide-card .icon-wrap {
                width: 48px;
                height: 48px;
                font-size: 1.4rem;
                margin-bottom: 14px;
            }
            .guide-card h3 {
                font-size: 1rem;
            }

            .article-item {
                flex-direction: column;
                padding: 16px 18px;
                gap: 10px;
            }
            .article-item .article-num {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .article-item .article-meta {
                flex-direction: row;
                align-items: center;
                gap: 10px;
                min-width: auto;
                width: 100%;
                justify-content: flex-start;
                padding-top: 8px;
                border-top: 1px solid var(--border-light);
            }

            .hot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .hot-card .hot-body {
                padding: 16px;
            }
            .hot-card .hot-body h3 {
                font-size: 0.95rem;
            }

            .expert-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .expert-card {
                padding: 24px 14px 18px;
            }

            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-item .faq-a {
                padding: 0 16px 14px;
                font-size: 0.86rem;
            }

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

            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .expert-grid {
                grid-template-columns: 1fr;
            }
            .page-banner .banner-tags span {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .cta-section .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .article-item .article-content h4 {
                font-size: 0.95rem;
            }
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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