/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252542;
            --color-accent: #c9a96e;
            --color-accent-hover: #d4b87a;
            --color-accent-soft: #f5ecd7;
            --color-bg: #fafaf8;
            --color-bg-alt: #f2f0eb;
            --color-surface: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e2dc;
            --color-border-light: #f0ede8;
            --color-nav-bg: #141428;
            --color-nav-text: #d0d0d8;
            --color-nav-hover: #ffffff;
            --color-nav-active: #c9a96e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --nav-width: 260px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-heading: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Serif SC', 'STSong', serif;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        h1 {
            font-size: clamp(2rem, 3.5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.15rem, 1.8vw, 1.5rem);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== 左侧竖向导航 ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-nav-bg);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition-normal);
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.25);
        }

        .nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

        .nav-brand a:hover {
            color: var(--color-accent);
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), #b8933e);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1a2e;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            flex: 1;
            padding: 16px 16px 8px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--color-nav-text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-nav-hover);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-nav-active);
            background: rgba(201, 169, 110, 0.12);
            font-weight: 600;
        }

        .nav-links a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--color-accent);
            border-radius: 0 3px 3px 0;
        }

        .nav-links a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .nav-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
        }

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端菜单按钮 ========== */
        .mobile-menu-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #ffffff;
            font-size: 1.5rem;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-primary-light);
        }
        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 999;
            transition: opacity var(--transition-normal);
        }
        .mobile-overlay.active {
            display: block;
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 40px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(20, 20, 40, 0.75) 0%,
                    rgba(20, 20, 40, 0.55) 50%,
                    rgba(20, 20, 40, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            color: #ffffff;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.45);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: clamp(2.2rem, 4vw, 3.6rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1a1a2e;
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.45);
        }
        .btn-primary:focus-visible {
            outline: 2px solid #ffffff;
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 2px solid #ffffff;
            outline-offset: 3px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 50px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 72px 40px;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            max-width: 500px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        /* ========== 特色卡片网格 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-accent);
            transition: all var(--transition-normal);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-accent);
            color: #ffffff;
            transform: scale(1.08);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* ========== 分类入口卡片 ========== */
        .category-entry {
            max-width: 900px;
            margin: 0 auto;
        }
        .category-card-large {
            display: flex;
            align-items: center;
            gap: 32px;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .category-card-large:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .category-card-large .category-img {
            width: 280px;
            flex-shrink: 0;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        }
        .category-card-large .category-info {
            padding: 24px 28px 24px 4px;
            flex: 1;
        }
        .category-card-large .category-info h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .category-card-large .category-info p {
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        /* ========== 内容列表（CMS） ========== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .post-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .post-card .post-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .post-card .post-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card .post-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.03em;
        }
        .post-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .post-card .post-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 10px;
        }
        .post-card .post-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .post-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

        /* ========== 数据统计 ========== */
        .stats-row {
            display: flex;
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .stat-item {
            flex: 1;
            min-width: 160px;
            text-align: center;
            padding: 28px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* ========== 精选推荐 ========== */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .recommend-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            aspect-ratio: 3 / 4;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            border: 1px solid var(--color-border-light);
        }
        .recommend-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .recommend-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .recommend-card:hover img {
            transform: scale(1.06);
        }
        .recommend-card .recommend-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 16px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #ffffff;
        }
        .recommend-card .recommend-overlay h4 {
            font-size: 1rem;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .recommend-card .recommend-overlay span {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: var(--color-text-muted);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        /* ========== CTA ========== */
        .cta-block {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            padding: 48px 32px;
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            color: #ffffff;
            box-shadow: var(--shadow-lg);
        }
        .cta-block h2 {
            color: #ffffff;
            font-family: var(--font-heading);
            margin-bottom: 10px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .cta-block .btn-primary {
            font-size: 1rem;
            padding: 14px 34px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px;
            text-align: center;
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .site-footer .footer-brand {
            font-weight: 700;
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .site-footer a {
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        /* ========== 深色背景板块装饰 ========== */
        .dark-block {
            background: var(--color-primary);
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            max-width: 1100px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .dark-block::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }
        .dark-block h2 {
            color: #ffffff;
            font-family: var(--font-heading);
        }
        .dark-block p {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== 分隔线 ========== */
        .divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 32px;
        }
        .divider-left {
            margin-left: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-card-large {
                flex-direction: column;
            }
            .category-card-large .category-img {
                width: 100%;
                height: 200px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .category-card-large .category-info {
                padding: 20px 24px 24px;
            }
            .section {
                padding: 56px 28px;
            }
            .hero {
                padding: 60px 24px;
                min-height: 420px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }

            body {
                flex-direction: column;
            }

            .site-nav {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 4px 0 32px rgba(0, 0, 0, 0.4);
            }
            .site-nav.open {
                transform: translateX(0);
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 0;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .posts-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-item {
                min-width: 130px;
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .section {
                padding: 44px 18px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .hero {
                padding: 48px 20px;
                min-height: 380px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
                max-width: 300px;
            }
            .category-card-large .category-img {
                height: 160px;
            }
            .dark-block {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-block {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .site-footer {
                padding: 28px 18px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
            }
            .recommend-card {
                aspect-ratio: 2 / 3;
            }
        }

        @media (max-width: 520px) {
            .recommend-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .recommend-card {
                aspect-ratio: 3 / 4;
            }
            .recommend-card .recommend-overlay {
                padding: 12px 10px;
            }
            .recommend-card .recommend-overlay h4 {
                font-size: 0.85rem;
            }
            .recommend-card .recommend-overlay span {
                font-size: 0.72rem;
            }
            .stat-item {
                min-width: 100px;
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .hero {
                min-height: 320px;
                padding: 36px 16px;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .post-card .post-img {
                height: 150px;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #0a0e17;
            --color-surface: #111827;
            --color-surface-hover: #1f2937;
            --color-primary: #f0b90b;
            --color-primary-dark: #c99a08;
            --color-primary-light: #fcd535;
            --color-text: #e5e7eb;
            --color-text-muted: #9ca3af;
            --color-text-dim: #6b7280;
            --color-border: rgba(255,255,255,0.08);
            --color-border-light: rgba(255,255,255,0.15);
            --color-accent: #3b82f6;
            --color-danger: #ef4444;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-2xl: 20px;
            --shadow-card: 0 4px 12px rgba(0,0,0,0.4);
            --shadow-elevated: 0 8px 24px rgba(0,0,0,0.6);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --sidebar-width: 260px;
            --border-light: 1px solid var(--color-border);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .page-container {
            display: flex;
            min-height: 100vh;
        }

        /* 左侧竖导航 */
        .sidebar {
            width: var(--sidebar-width);
            background: rgba(17, 24, 39, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-right: var(--border-light);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            height: 100vh;
            z-index: 40;
            transition: transform var(--transition-base);
            box-shadow: var(--shadow-elevated);
        }

        .sidebar .nav-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 12px;
        }

        .sidebar .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            transition: color var(--transition-fast);
        }

        .sidebar .nav-brand a:hover {
            color: var(--color-primary);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), #f59e0b);
            color: #111;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 1.25rem;
        }

        .site-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 0 16px;
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }

        .nav-links a .nav-icon {
            font-size: 0.9rem;
            color: var(--color-primary);
            opacity: 0.7;
        }

        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }

        .nav-links a.active {
            background: rgba(240, 185, 11, 0.12);
            color: var(--color-primary);
            font-weight: 600;
            border-left: 3px solid var(--color-primary);
            padding-left: 13px;
        }

        .nav-links a.active .nav-icon {
            opacity: 1;
        }

        .nav-footer {
            margin-top: auto;
            padding: 24px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--color-text-dim);
            font-size: 0.8rem;
            line-height: 1.5;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 50;
            background: rgba(17, 24, 39, 0.9);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            color: #fff;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.2rem;
        }

        /* 背景叠加 */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.7);
            z-index: 35;
        }

        /* 分类页特有样式 */
        .category-hero {
            position: relative;
            padding: 80px 40px 60px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            color: #fff;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10,14,23,0.85) 0%, rgba(10,14,23,0.55) 100%);
            z-index: 0;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }
        .category-hero .breadcrumb {
            display: flex;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 1rem;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .category-hero p {
            font-size: 1.15rem;
            opacity: 0.9;
            max-width: 600px;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            padding: 40px;
        }
        .game-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.6);
            border-color: rgba(240,185,11,0.3);
        }
        .game-card-img {
            height: 180px;
            overflow: hidden;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.05);
        }
        .game-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .game-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .game-stars {
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .game-tag {
            background: rgba(240,185,11,0.15);
            color: var(--color-primary-light);
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .game-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .btn-enter {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--color-primary), #f59e0b);
            color: #000;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            align-self: flex-start;
        }
        .btn-enter:hover {
            background: linear-gradient(135deg, #fcd535, #f59e0b);
            box-shadow: 0 4px 12px rgba(240,185,11,0.4);
            transform: translateY(-1px);
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 40px;
            margin-top: 20px;
        }
        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
        }
        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            padding: 0 40px;
            margin: 16px 0 0;
        }
        .filter-tag {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--color-text-muted);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .filter-tag:hover, .filter-tag.active {
            background: rgba(240,185,11,0.15);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            padding: 40px 0;
        }
        .page-item {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid rgba(255,255,255,0.15);
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .page-item:hover { background: rgba(255,255,255,0.1); color:#fff; }
        .page-item.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #000;
            font-weight: 600;
        }
        .page-item.disabled { opacity: 0.4; pointer-events: none; }

        /* Footer */
        .site-footer {
            background: #0f172a;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 40px;
            margin-top: 40px;
            text-align: center;
            color: var(--color-text-muted);
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 16px;
        }
        .footer-links a { color: var(--color-text-muted); }
        .footer-links a:hover { color: var(--color-primary); }

        /* 响应式 */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .category-hero {
                padding: 60px 24px 40px;
            }
            .game-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                padding: 24px;
            }
            .section-header, .filter-tags {
                padding: 0 24px;
            }
        }
        @media (max-width: 640px) {
            .category-hero h1 { font-size: 2rem; }
            .game-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --color-nav-bg: #1c1c2a;
            --color-nav-hover: #252538;
            --color-nav-text: #b0b0c0;
            --color-nav-active: #d4a853;
            --color-nav-active-bg: rgba(212,168,83,0.08);
            --color-accent: #c8a45c;
            --color-accent-hover: #b8923f;
            --color-accent-light: #fdf6ea;
            --color-bg: #fdfcf8;
            --color-bg-white: #ffffff;
            --color-bg-alt: #f5f2eb;
            --color-text: #2d2a26;
            --color-text-heading: #1c1a16;
            --color-text-muted: #8c8880;
            --color-text-light: #b0aca5;
            --color-border: #e8e4db;
            --color-border-light: #f0ede6;
            --color-tag-bg: #f8f5ee;
            --color-tag-text: #8b7648;
            --color-overlay: rgba(20,18,14,0.55);
            --color-overlay-heavy: rgba(14,12,8,0.72);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.09);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.13);
            --shadow-card-hover: 0 10px 32px rgba(0,0,0,0.12);
            --nav-width: 250px;
            --nav-width-tablet: 200px;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 'KaiTi', '楷体', serif;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button, input {
            font-family: inherit;
            font-size: inherit;
        }

        /* 移动端顶部栏 */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 56px;
            background: var(--color-nav-bg);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }
        .mobile-top-bar .mobile-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
        }
        .mobile-top-bar .hamburger-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            z-index: 1002;
            width: 40px;
            height: 36px;
            justify-content: center;
            align-items: center;
        }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: var(--transition-smooth);
            transform-origin: center;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端遮罩 */
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-smooth);
            pointer-events: none;
        }
        .mobile-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* 左侧导航 */
        .site-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--nav-width);
            background: var(--color-nav-bg);
            display: flex;
            flex-direction: column;
            z-index: 999;
            padding: 32px 0 24px 0;
            border-right: 1px solid rgba(255,255,255,0.06);
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }
        .site-nav .nav-brand {
            padding: 0 24px 28px 24px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 28px;
        }
        .site-nav .nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .site-nav .nav-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: #1c1c2a;
            font-weight: 800;
            font-size: 1.15rem;
            flex-shrink: 0;
        }
        .site-nav .nav-links {
            flex: 1;
            padding: 0 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .site-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--color-nav-text);
            font-size: 0.94rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .site-nav .nav-links a:hover {
            background: var(--color-nav-hover);
            color: #e0dcd4;
        }
        .site-nav .nav-links a.active,
        .site-nav .nav-links a[aria-current="page"] {
            background: var(--color-nav-active-bg);
            color: var(--color-nav-active);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-nav-active);
        }
        .site-nav .nav-links .nav-icon {
            font-size: 0.6rem;
            opacity: 0.7;
            flex-shrink: 0;
        }
        .site-nav .nav-links a.active .nav-icon,
        .site-nav .nav-links a[aria-current="page"] .nav-icon {
            color: var(--color-nav-active);
            opacity: 1;
        }
        .site-nav .nav-footer {
            padding: 20px 24px 8px 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            margin-top: auto;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.35);
            line-height: 1.6;
            letter-spacing: 0.03em;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 阅读进度条 */
        .reading-progress-bar {
            position: fixed;
            top: 0;
            left: var(--nav-width);
            right: 0;
            height: 3px;
            background: transparent;
            z-index: 997;
            pointer-events: none;
        }
        .reading-progress-bar .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), #d4b86a);
            width: 0%;
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
        }

        /* 文章Banner */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 60px 48px 48px 48px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-attachment: fixed;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                to top,
                rgba(20,16,10,0.82) 0%,
                rgba(20,16,10,0.45) 40%,
                rgba(20,16,10,0.25) 70%,
                rgba(20,16,10,0.4) 100%
            );
            z-index: 1;
        }
        .article-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .article-hero .hero-category {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255,255,255,0.14);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 20px;
            color: #ffffff;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .article-hero .hero-title {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.3;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 12px rgba(0,0,0,0.4);
            margin-bottom: 12px;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: rgba(255,255,255,0.8);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }
        .article-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 文章容器 */
        .article-container {
            max-width: 840px;
            margin: 0 auto;
            padding: 40px 32px 60px 32px;
            width: 100%;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 0.7rem;
        }

        /* 文章元信息卡片 */
        .article-meta-card {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 28px;
            margin-bottom: 36px;
            box-shadow: var(--shadow-xs);
        }
        .article-meta-card .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .article-meta-card .meta-item .meta-icon {
            width: 18px;
            height: 18px;
            opacity: 0.6;
            flex-shrink: 0;
        }
        .article-meta-card .meta-category-tag {
            padding: 4px 12px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        /* 文章正文 */
        .article-body {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--color-text);
            letter-spacing: 0.015em;
        }
        .article-body p {
            margin-bottom: 1.5em;
            text-indent: 2em;
        }
        .article-body p:first-of-type {
            text-indent: 0;
        }
        .article-body h2 {
            font-family: var(--font-sans);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin: 2em 0 0.9em 0;
            padding-left: 16px;
            border-left: 3px solid var(--color-accent);
            letter-spacing: 0.03em;
        }
        .article-body h3 {
            font-family: var(--font-sans);
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin: 1.6em 0 0.7em 0;
            letter-spacing: 0.02em;
        }
        .article-body ul, .article-body ol {
            margin: 1.2em 0;
            padding-left: 1.8em;
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body blockquote {
            margin: 2em 0;
            padding: 24px 28px;
            background: var(--color-bg-alt);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-heading);
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            position: relative;
        }
        .article-body blockquote::before {
            content: '"';
            position: absolute;
            top: -12px;
            left: 16px;
            font-size: 3rem;
            color: var(--color-accent);
            opacity: 0.5;
            font-family: var(--font-serif);
            line-height: 1;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8em auto;
            box-shadow: var(--shadow-md);
            max-width: 100%;
            height: auto;
        }
        .article-body strong {
            color: var(--color-text-heading);
            font-weight: 700;
        }
        .article-body a {
            color: var(--color-accent);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }
        .article-body a:hover {
            border-bottom-color: var(--color-accent);
        }
        .article-body hr {
            border: none;
            height: 1px;
            background: var(--color-border);
            margin: 2.5em 0;
        }

        /* 分隔线 */
        .section-divider {
            max-width: 840px;
            margin: 0 auto 0 auto;
            padding: 0 32px;
            width: 100%;
        }
        .section-divider .divider-line {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--color-border), transparent);
        }

        /* 标签区 */
        .article-tags-section {
            max-width: 840px;
            margin: 0 auto;
            padding: 0 32px 20px 32px;
            width: 100%;
        }
        .article-tags-section .tags-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .article-tags-section .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags-section .tag-item {
            padding: 6px 15px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-radius: 18px;
            font-size: 0.84rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            cursor: default;
            border: 1px solid transparent;
        }
        .article-tags-section .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-light);
        }

        /* 相关推荐 */
        .related-section {
            max-width: 840px;
            margin: 0 auto;
            padding: 40px 32px 50px 32px;
            width: 100%;
        }
        .related-section .section-header {
            margin-bottom: 28px;
        }
        .related-section .section-header h2 {
            font-family: var(--font-serif);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.03em;
            position: relative;
            display: inline-block;
        }
        .related-section .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .related-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .related-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .related-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .related-card .card-body {
            padding: 16px 18px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-category {
            font-size: 0.74rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: 0.96rem;
            font-weight: 600;
            color: var(--color-text-heading);
            line-height: 1.45;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-top: auto;
            letter-spacing: 0.02em;
        }

        /* CTA区块 */
        .article-cta {
            max-width: 840px;
            margin: 0 auto;
            padding: 10px 32px 50px 32px;
            width: 100%;
        }
        .article-cta .cta-inner {
            background: var(--color-nav-bg);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            color: #ffffff;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .article-cta .cta-inner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(212,168,83,0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-cta .cta-inner h3 {
            font-family: var(--font-serif);
            font-size: 1.45rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
        }
        .article-cta .cta-inner p {
            font-size: 0.94rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 22px;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }
        .article-cta .cta-btn {
            display: inline-block;
            padding: 12px 32px;
            background: var(--color-accent);
            color: #1c1c2a;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(200,164,92,0.35);
        }
        .article-cta .cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200,164,92,0.45);
        }

        /* 未找到内容 */
        .not-found-section {
            max-width: 840px;
            margin: 0 auto;
            padding: 80px 32px 60px 32px;
            width: 100%;
            text-align: center;
        }
        .not-found-section .nf-icon {
            font-size: 3.5rem;
            margin-bottom: 20px;
            opacity: 0.5;
        }
        .not-found-section h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .not-found-section p {
            color: var(--color-text-muted);
            margin-bottom: 28px;
            font-size: 1rem;
            letter-spacing: 0.02em;
        }
        .not-found-section .back-btn {
            display: inline-block;
            padding: 11px 28px;
            background: var(--color-accent);
            color: #ffffff;
            border-radius: 24px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
        }
        .not-found-section .back-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--color-nav-bg);
            padding: 36px 32px 28px 32px;
            text-align: center;
            color: rgba(255,255,255,0.7);
            margin-top: auto;
        }
        .site-footer .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255,255,255,0.55);
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer p {
            font-size: 0.82rem;
            letter-spacing: 0.03em;
            color: rgba(255,255,255,0.4);
            line-height: 1.6;
        }

        /* 响应式 - 平板 */
        @media (max-width: 1024px) {
            :root {
                --nav-width: 200px;
            }
            .site-nav {
                width: var(--nav-width);
                padding: 24px 0 20px 0;
            }
            .site-nav .nav-brand {
                padding: 0 16px 22px 16px;
                margin-bottom: 20px;
            }
            .site-nav .nav-brand a {
                font-size: 1.1rem;
                gap: 8px;
            }
            .site-nav .nav-brand .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .site-nav .nav-links {
                padding: 0 10px;
            }
            .site-nav .nav-links a {
                padding: 9px 12px;
                font-size: 0.85rem;
                gap: 7px;
            }
            .site-nav .nav-footer {
                padding: 16px 16px 6px 16px;
                font-size: 0.72rem;
            }
            .main-content {
                margin-left: var(--nav-width);
            }
            .reading-progress-bar {
                left: var(--nav-width);
            }
            .article-hero {
                min-height: 340px;
                padding: 40px 32px 36px 32px;
            }
            .article-hero .hero-title {
                font-size: 2rem;
            }
            .article-container {
                padding: 32px 24px 48px 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .article-body {
                font-size: 1.05rem;
            }
        }

        /* 响应式 - 手机 */
        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .mobile-top-bar {
                display: flex;
            }
            .mobile-overlay {
                display: block;
            }
            .site-nav {
                transform: translateX(-100%);
                width: 280px;
                padding-top: 72px;
                box-shadow: var(--shadow-lg);
            }
            .site-nav.active {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .reading-progress-bar {
                left: 0;
            }
            .article-hero {
                min-height: 280px;
                padding: 32px 20px 28px 20px;
                background-attachment: scroll;
            }
            .article-hero .hero-title {
                font-size: 1.55rem;
            }
            .article-hero .hero-meta {
                font-size: 0.8rem;
                gap: 12px;
            }
            .article-hero .hero-category {
                font-size: 0.74rem;
                padding: 5px 12px;
            }
            .article-container {
                padding: 24px 16px 36px 16px;
            }
            .breadcrumb {
                font-size: 0.78rem;
                margin-bottom: 20px;
            }
            .article-meta-card {
                padding: 14px 16px;
                gap: 10px 16px;
                margin-bottom: 24px;
            }
            .article-meta-card .meta-item {
                font-size: 0.8rem;
            }
            .article-body {
                font-size: 1rem;
                line-height: 1.8;
            }
            .article-body p {
                text-indent: 1.5em;
                margin-bottom: 1.2em;
            }
            .article-body h2 {
                font-size: 1.3rem;
                margin: 1.5em 0 0.7em 0;
                padding-left: 12px;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-body blockquote {
                padding: 18px 20px;
                font-size: 0.95rem;
                margin: 1.5em 0;
            }
            .article-body blockquote::before {
                font-size: 2.2rem;
                top: -8px;
                left: 10px;
            }
            .section-divider {
                padding: 0 16px;
            }
            .article-tags-section {
                padding: 0 16px 16px 16px;
            }
            .article-tags-section .tag-item {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            .related-section {
                padding: 28px 16px 36px 16px;
            }
            .related-section .section-header h2 {
                font-size: 1.3rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .related-card .card-title {
                font-size: 0.85rem;
            }
            .related-card .card-body {
                padding: 12px 14px 14px 14px;
            }
            .article-cta {
                padding: 8px 16px 36px 16px;
            }
            .article-cta .cta-inner {
                padding: 28px 22px;
            }
            .article-cta .cta-inner h3 {
                font-size: 1.2rem;
            }
            .article-cta .cta-btn {
                padding: 10px 26px;
                font-size: 0.88rem;
            }
            .not-found-section {
                padding: 60px 20px 40px 20px;
            }
            .not-found-section h2 {
                font-size: 1.4rem;
            }
            .site-footer {
                padding: 28px 16px 22px 16px;
            }
        }

        @media (max-width: 520px) {
            .article-hero {
                min-height: 240px;
                padding: 24px 16px 22px 16px;
            }
            .article-hero .hero-title {
                font-size: 1.3rem;
            }
            .article-hero .hero-meta {
                font-size: 0.74rem;
                gap: 8px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
        }