/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d4a44a;
            --primary-dark: #b8923f;
            --primary-light: #e8c87a;
            --secondary: #c97b5f;
            --secondary-dark: #b06a4f;
            --bg-dark: #0b0b16;
            --bg-card: #14142a;
            --bg-section: #111122;
            --bg-elevated: #1a1a34;
            --text: #e8dcc8;
            --text-secondary: #c4b89e;
            --text-muted: #8a7e6a;
            --border: #2a2a44;
            --border-light: #3a3a5a;
            --radius: 6px;
            --radius-lg: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --transition: 0.3s ease;
            --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
            --space-section: 5rem;
            --space-block: 3rem;
        }

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

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

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

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

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 600;
            line-height: 1.3;
            color: var(--text);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .section-bg {
            background-color: var(--bg-section);
        }

        .section-bg-alt {
            background-color: var(--bg-card);
        }

        .section-label {
            display: inline-block;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 0.75rem;
            border: 1px solid var(--primary);
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius);
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ===== 分隔装饰 ===== */
        .divider {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            margin: 1.5rem 0 2rem;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            max-width: 80px;
            height: 1px;
            background: linear-gradient(to right, transparent, var(--primary), transparent);
        }

        .divider i {
            font-size: 1.2rem;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius);
            transition: all var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #0b0b16;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary-light);
            color: #0b0b16;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 164, 74, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(212, 164, 74, 0.2);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background-color: var(--primary);
            color: #0b0b16;
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 1rem 2.8rem;
            font-size: 1.1rem;
        }

        /* ===== 标签/徽章 ===== */
        .badge {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            border-radius: var(--radius);
            background-color: rgba(212, 164, 74, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(212, 164, 74, 0.3);
        }

        .badge-secondary {
            background-color: rgba(201, 123, 95, 0.15);
            color: var(--secondary);
            border-color: rgba(201, 123, 95, 0.3);
        }

        .badge-muted {
            background-color: rgba(138, 126, 106, 0.15);
            color: var(--text-muted);
            border-color: rgba(138, 126, 106, 0.2);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background-color: rgba(11, 11, 22, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }

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

        .logo {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.3rem;
        }

        .logo:hover {
            color: var(--primary-light);
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            background-color: rgba(255, 255, 255, 0.04);
            padding: 0.25rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }

        .nav-tab {
            padding: 0.5rem 1.2rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-tab:hover {
            color: var(--text);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav-tab.active {
            color: #0b0b16;
            background-color: var(--primary);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius);
            background: none;
            border: 1px solid var(--border);
            cursor: pointer;
        }

        .nav-toggle:hover {
            background-color: rgba(255, 255, 255, 0.05);
        }

        /* 移动端导航覆盖 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(11, 11, 22, 0.97);
            z-index: 999;
            padding: 2rem 1.5rem;
            overflow-y: auto;
            backdrop-filter: blur(8px);
        }

        .mobile-nav-overlay.open {
            display: block;
        }

        .mobile-nav-tabs {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .mobile-nav-tab {
            padding: 1rem 1.2rem;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .mobile-nav-tab:hover {
            color: var(--text);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .mobile-nav-tab.active {
            color: #0b0b16;
            background-color: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        .mobile-nav-cta {
            margin-top: 1.5rem;
            width: 100%;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: calc(var(--nav-height) + 2rem) 1.5rem 4rem;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 30% 40%, rgba(212, 164, 74, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(201, 123, 95, 0.05) 0%, transparent 50%),
                var(--bg-dark);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                radial-gradient(1px 1px at 10% 20%, rgba(212, 164, 74, 0.3) 0%, transparent 50%),
                radial-gradient(1px 1px at 30% 60%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
                radial-gradient(1.5px 1.5px at 50% 10%, rgba(212, 164, 74, 0.25) 0%, transparent 50%),
                radial-gradient(1px 1px at 70% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
                radial-gradient(1.5px 1.5px at 90% 30%, rgba(212, 164, 74, 0.2) 0%, transparent 50%),
                radial-gradient(1px 1px at 15% 85%, rgba(232, 200, 122, 0.2) 0%, transparent 50%),
                radial-gradient(1.2px 1.2px at 65% 15%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
                radial-gradient(1px 1px at 45% 50%, rgba(212, 164, 74, 0.15) 0%, transparent 50%),
                radial-gradient(1.5px 1.5px at 80% 70%, rgba(232, 200, 122, 0.2) 0%, transparent 50%),
                radial-gradient(1px 1px at 25% 35%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
            background-size: 200px 200px;
            pointer-events: none;
            animation: twinkle 8s ease-in-out infinite alternate;
        }

        @keyframes twinkle {
            0%,
            100% {
                opacity: 0.6;
            }
            50% {
                opacity: 1;
            }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 820px;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.3rem 1.2rem;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.1em;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius);
            margin-bottom: 1.5rem;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: 3.6rem;
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 1.2rem;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            color: var(--primary);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border);
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat-number {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border-light);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(212, 164, 74, 0.1);
            border: 1px solid rgba(212, 164, 74, 0.2);
            font-size: 1.6rem;
            color: var(--primary);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background-color: rgba(212, 164, 74, 0.18);
            border-color: rgba(212, 164, 74, 0.4);
            transform: scale(1.05);
        }

        .feature-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
            font-family: var(--font-serif);
        }

        .feature-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 分类入口 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .category-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            min-height: 240px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .category-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .category-card:hover::after {
            opacity: 1;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border-light);
        }

        .category-icon {
            font-size: 2.4rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .category-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            font-family: var(--font-serif);
        }

        .category-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 320px;
            margin-bottom: 1.2rem;
        }

        /* ===== 最新资讯列表 ===== */
        .posts-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .post-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.8rem;
            transition: all var(--transition);
        }

        .post-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-light);
        }

        .post-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.6rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .post-meta .badge {
            font-size: 0.7rem;
        }

        .post-date {
            color: var(--text-muted);
        }

        .post-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-family: var(--font-serif);
        }

        .post-card h3 a {
            color: var(--text);
            transition: color var(--transition);
        }

        .post-card h3 a:hover {
            color: var(--primary-light);
        }

        .post-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .posts-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            font-size: 1rem;
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
        }

        .posts-empty i {
            font-size: 2rem;
            margin-bottom: 0.8rem;
            color: var(--border-light);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-light);
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.3rem;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 2.2rem;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
            opacity: 0.3;
        }

        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
            background-color: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.2rem;
            transition: all var(--transition);
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-light);
        }

        .step-number {
            width: 44px;
            height: 44px;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(212, 164, 74, 0.12);
            border: 1px solid rgba(212, 164, 74, 0.3);
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
        }

        .step-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            font-family: var(--font-serif);
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            width: 100%;
            padding: 1.2rem 1.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition);
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-question i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.8rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.8rem 1.2rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(212, 164, 74, 0.06) 0%, rgba(201, 123, 95, 0.04) 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            text-align: center;
            padding: 5rem 1.5rem;
        }

        .cta-section .section-title {
            font-size: 2.2rem;
        }

        .cta-section .section-subtitle {
            margin: 0 auto 2rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--bg-section);
            border-top: 1px solid var(--border);
            padding: 3rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand .logo {
            margin-bottom: 0.8rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 360px;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            font-family: var(--font-serif);
            color: var(--text);
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        .footer-social {
            display: flex;
            gap: 0.8rem;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border);
            color: var(--text-muted);
            transition: all var(--transition);
            font-size: 0.9rem;
        }

        .footer-social a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(212, 164, 74, 0.1);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 3.5rem;
                --nav-height: 64px;
            }

            .nav-tabs {
                display: none;
            }

            .nav-cta .btn {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 1.5rem;
            }

            .hero-stat-number {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

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

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

            .posts-list {
                grid-template-columns: 1fr;
            }

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

            .stat-number {
                font-size: 2rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 1.2rem;
            }

            .faq-item.open .faq-answer {
                padding: 0 1.2rem 1rem;
            }

            .category-card {
                min-height: 180px;
                padding: 1.8rem 1.5rem;
            }

            .hero-actions .btn-lg {
                padding: 0.85rem 2rem;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: 1rem;
            }

            .hero-stat-number {
                font-size: 1.2rem;
            }

            .hero-stat-label {
                font-size: 0.75rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }

            .stat-card {
                padding: 1.2rem 0.8rem;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .feature-card {
                padding: 1.8rem 1.2rem;
            }

            .post-card {
                padding: 1.2rem 1.2rem;
            }

            .container {
                padding: 0 1rem;
            }

            .logo {
                font-size: 1.2rem;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }

            .faq-answer {
                font-size: 0.85rem;
            }

            .faq-item.open .faq-answer {
                padding: 0 1rem 0.9rem;
            }
        }

        /* ===== 焦点状态 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius);
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-light);
        }

        /* ===== 选中文本 ===== */
        ::selection {
            background-color: rgba(212, 164, 74, 0.3);
            color: var(--text);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #1a1a2e;
            --color-primary-light: #2d2d4a;
            --color-accent: #c9a84c;
            --color-accent-light: #e8d28a;
            --color-accent-dark: #a8882e;
            --color-bg: #f5f0e8;
            --color-bg-card: #fdfaf3;
            --color-bg-dark: #2c2c3e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-muted: #9a9a9a;
            --color-border: #dcd4c4;
            --color-border-light: #ede5d5;
            --color-success: #7a9a5a;
            --color-tag-bg: #ede5d5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --font-sans: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 5rem;
            --container-max: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        ul {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== 标题层级 ===== */
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
        }

        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--color-primary);
            border-bottom: 3px solid var(--color-accent);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--color-accent-light);
        }

        .logo:hover {
            color: var(--color-accent-light);
        }

        .logo:hover i {
            color: var(--color-accent);
        }

        .nav-tabs {
            display: flex;
            gap: 0.25rem;
            background: rgba(255, 255, 255, 0.06);
            padding: 0.3rem;
            border-radius: var(--radius-md);
            flex-wrap: wrap;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-tab:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.10);
        }

        .nav-tab.active {
            color: var(--color-primary);
            background: var(--color-accent);
            border-color: var(--color-accent);
            box-shadow: 0 2px 8px rgba(201, 168, 76, 0.35);
        }

        .nav-tab.active:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-accent);
            transition: all var(--transition);
        }

        .nav-cta:hover {
            background: transparent;
            color: var(--color-accent);
        }

        /* ===== 文章页特有 ===== */
        .article-hero {
            background: var(--color-primary);
            padding: 3rem 0 2.5rem;
            border-bottom: 3px solid var(--color-accent);
            position: relative;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(45deg,
                    transparent,
                    transparent 20px,
                    rgba(201, 168, 76, 0.03) 20px,
                    rgba(201, 168, 76, 0.03) 40px);
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
        }

        .article-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.3rem 1rem;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
        }

        .article-hero h1 {
            color: #fff;
            font-size: 2.2rem;
            max-width: 900px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.30);
        }

        .article-meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
        }

        .article-meta-info span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta-info i {
            color: var(--color-accent);
        }

        /* ===== 主内容 ===== */
        .article-main {
            padding: 3rem 0 var(--spacing-section);
            flex: 1;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }

        .article-body {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 2.5rem 3rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-body .content p {
            margin-bottom: 1.6rem;
        }

        .article-body .content h2,
        .article-body .content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .article-body .content ul,
        .article-body .content ol {
            margin-bottom: 1.6rem;
            padding-left: 1.8rem;
        }

        .article-body .content li {
            margin-bottom: 0.5rem;
        }

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

        .article-body .content a:hover {
            color: var(--color-accent);
        }

        .article-body .content blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-bg);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-light);
        }

        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body .content pre {
            background: var(--color-primary);
            color: #e8d28a;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-size: 0.9rem;
            margin: 1.5rem 0;
            border: 1px solid var(--color-accent-dark);
        }

        .article-body .content code {
            font-family: 'Fira Code', monospace;
            font-size: 0.9em;
            background: var(--color-bg);
            padding: 0.2em 0.5em;
            border-radius: 4px;
            color: var(--color-primary-light);
        }

        .article-body .content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }

        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.5rem 0.8rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            font-size: 0.95rem;
            color: var(--color-text);
            border: 1px solid transparent;
        }

        .sidebar-list a:hover {
            background: var(--color-bg);
            border-color: var(--color-border-light);
            color: var(--color-accent-dark);
        }

        .sidebar-list a i {
            color: var(--color-accent);
            font-size: 0.85rem;
            width: 1.2rem;
            text-align: center;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .sidebar-tags .tag {
            padding: 0.25rem 0.8rem;
            background: var(--color-tag-bg);
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            color: var(--color-text-light);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }

        .sidebar-tags .tag:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        /* ===== 文章底部导航 ===== */
        .article-nav-links {
            display: flex;
            justify-content: space-between;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 2px solid var(--color-border-light);
            flex-wrap: wrap;
            gap: 1rem;
        }

        .article-nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.2rem;
            background: var(--color-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .article-nav-links a:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 4rem 2rem;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--color-border);
        }

        .not-found-box i {
            font-size: 3rem;
            color: var(--color-accent);
            margin-bottom: 1rem;
        }

        .not-found-box h2 {
            margin-bottom: 1rem;
        }

        .not-found-box p {
            color: var(--color-text-light);
            margin-bottom: 1.5rem;
        }

        .not-found-box .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            border: 2px solid var(--color-accent);
            transition: all var(--transition);
        }

        .not-found-box .btn:hover {
            background: transparent;
            color: var(--color-accent);
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-accent);
            background: var(--color-accent);
            color: var(--color-primary);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .btn:hover {
            background: transparent;
            color: var(--color-accent);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.80);
            padding: 3.5rem 0 0;
            border-top: 3px solid var(--color-accent);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }

        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.60);
            max-width: 400px;
        }

        .footer-col h4 {
            color: var(--color-accent);
            font-size: 0.95rem;
            margin-bottom: 1rem;
            font-family: var(--font-sans);
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-social {
            display: flex;
            gap: 1rem;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.2rem;
            height: 2.2rem;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.60);
            transition: all var(--transition);
            font-size: 1rem;
        }

        .footer-social a:hover {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .article-body {
                padding: 2rem;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }

            .header-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 0.75rem;
            }

            .logo {
                justify-content: center;
                font-size: 1.2rem;
            }

            .nav-tabs {
                justify-content: center;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding: 0.25rem;
                gap: 0.15rem;
            }

            .nav-tab {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
                flex-shrink: 0;
            }

            .nav-cta {
                display: none;
            }

            .article-hero {
                padding: 2rem 0 1.5rem;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .article-meta-info {
                gap: 0.8rem;
                font-size: 0.8rem;
            }

            .article-body {
                padding: 1.2rem;
                border-radius: var(--radius-md);
            }

            .article-body .content {
                font-size: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }

            .footer-brand p {
                max-width: 100%;
                margin: 0 auto;
            }

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

            .footer-social {
                justify-content: center;
            }

            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }

            .article-hero h1 {
                font-size: 1.3rem;
            }

            .article-body {
                padding: 1rem;
            }

            .article-body .content {
                font-size: 0.95rem;
            }

            .article-meta-badge {
                font-size: 0.7rem;
                padding: 0.2rem 0.8rem;
            }

            .sidebar-card {
                padding: 1rem;
            }

            .nav-tab {
                padding: 0.3rem 0.7rem;
                font-size: 0.75rem;
            }

            .logo {
                font-size: 1.05rem;
            }

            .logo i {
                font-size: 1.2rem;
            }

            .article-nav-links a {
                font-size: 0.8rem;
                padding: 0.4rem 0.9rem;
            }
        }

        /* ===== 打印样式 ===== */
        @media print {
            .site-header,
            .site-footer,
            .article-sidebar,
            .article-nav-links {
                display: none !important;
            }

            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-body {
                box-shadow: none;
                border: none;
                padding: 0;
            }

            .article-hero {
                background: #fff;
                border-bottom: 2px solid #333;
                padding: 1rem 0;
            }

            .article-hero h1 {
                color: #000;
                font-size: 1.8rem;
            }

            .article-meta-info {
                color: #555;
            }

            .article-meta-info i {
                color: #888;
            }
        }

/* roulang page: category1 */
/* ========== :root 设计变量 ========== */
        :root {
            --primary: #b8860b;
            --primary-light: #daa520;
            --primary-dark: #8b6508;
            --accent: #cd7f32;
            --accent-light: #e8a87c;
            --bg-dark: #1a1a2e;
            --bg-card: #16213e;
            --bg-section: #0f0f1a;
            --bg-soft: #1e1e36;
            --text-main: #f0e6d3;
            --text-light: #c4b998;
            --text-muted: #8a7e6b;
            --border-color: #2a2a4a;
            --border-accent: #b8860b44;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0,0,0,0.5);
            --shadow-sm: 0 4px 16px rgba(0,0,0,0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Georgia', 'Noto Serif SC', 'Source Han Serif SC', serif;
            --font-heading: 'Georgia', 'Noto Serif SC', 'Source Han Serif SC', serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: #f0c040; }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 4px;
            border-radius: 4px;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            color: var(--text-main);
            font-weight: 600;
        }

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

        /* ========== Header / 导航 ========== */
        .site-header {
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-light);
            letter-spacing: 1px;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .logo:hover { color: #f0c040; }
        .nav-tabs {
            display: flex;
            gap: 4px;
            background: rgba(255,255,255,0.04);
            padding: 4px;
            border-radius: 40px;
            border: 1px solid var(--border-color);
        }
        .nav-tab {
            padding: 10px 24px;
            border-radius: 32px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            background: transparent;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-tab:hover {
            color: var(--text-main);
            background: rgba(255,255,255,0.06);
        }
        .nav-tab.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(184,134,11,0.35);
        }
        .nav-tab.active:hover {
            background: var(--primary-light);
            color: #fff;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-nav {
            padding: 10px 22px;
            border-radius: 32px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-nav:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(184,134,11,0.3);
        }
        .btn-nav-outline {
            background: transparent;
            border: 1px solid var(--border-accent);
            color: var(--text-light);
        }
        .btn-nav-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(184,134,11,0.08);
        }

        /* 移动端导航切换 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }

        /* ========== Hero ========== */
        .hero-category {
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(160deg, #0f0f1a 0%, #1a1a2e 40%, #0f0f1a 100%);
            border-bottom: 1px solid var(--border-color);
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(184,134,11,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(205,127,50,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(184,134,11,0.12);
            border: 1px solid var(--border-accent);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #f0e6d3, #daa520);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category p {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .hero-meta span i {
            margin-right: 6px;
            color: var(--primary-light);
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-soft {
            background: var(--bg-soft);
        }
        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        /* ========== 卡片网格 ========== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border-accent);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(184,134,11,0.1);
            border: 1px solid var(--border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .card-tag {
            display: inline-block;
            margin-top: 16px;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(184,134,11,0.08);
            border: 1px solid var(--border-accent);
            font-size: 0.8rem;
            color: var(--primary-light);
        }

        /* ========== 图文列表 ========== */
        .list-vertical {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .list-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .list-item:hover {
            border-color: var(--border-accent);
            background: rgba(22,33,62,0.8);
        }
        .list-item-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(184,134,11,0.12);
            border: 1px solid var(--border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary-light);
            font-size: 1.1rem;
        }
        .list-item-content h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .list-item-content p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ========== 设备推荐卡片 ========== */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .device-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .device-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--border-accent);
        }
        .device-img {
            height: 180px;
            background: linear-gradient(135deg, #1a1a2e, #2a2a4a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-light);
            border-bottom: 1px solid var(--border-color);
        }
        .device-body {
            padding: 24px;
        }
        .device-body h3 {
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .device-body .meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .device-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .device-badge {
            display: inline-block;
            margin-top: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(205,127,50,0.1);
            border: 1px solid rgba(205,127,50,0.25);
            font-size: 0.8rem;
            color: var(--accent-light);
        }

        /* ========== 时间表 ========== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-accent);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-dark);
            box-shadow: 0 0 0 2px var(--border-accent);
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            color: var(--primary-light);
            margin-bottom: 4px;
        }
        .timeline-item p {
            color: var(--text-light);
            font-size: 0.92rem;
        }
        .timeline-item .sub {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-accent);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 500;
            color: var(--text-main);
            transition: background var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(255,255,255,0.02);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            text-align: center;
            background: linear-gradient(160deg, #0f0f1a, #1a1a2e);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section h2 {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 16px 40px;
            border-radius: 40px;
            font-size: 1.1rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.5px;
        }
        .btn-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(184,134,11,0.3);
        }
        .btn-cta-outline {
            background: transparent;
            border: 1px solid var(--border-accent);
            color: var(--text-light);
            margin-left: 12px;
        }
        .btn-cta-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(184,134,11,0.06);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0a0a12;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: all var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover {
            color: var(--primary-light);
            border-color: var(--primary-light);
            background: rgba(184,134,11,0.06);
            transform: translateY(-2px);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .grid-3, .device-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-category h1 {
                font-size: 2.6rem;
            }
            .footer-grid {
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            .site-header {
                height: var(--nav-height);
            }
            .nav-tabs {
                gap: 2px;
                padding: 3px;
            }
            .nav-tab {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .nav-cta .btn-nav {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-category {
                padding: 60px 0 40px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .hero-meta {
                gap: 20px;
                font-size: 0.85rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .grid-3, .grid-2, .device-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
            .list-item {
                flex-direction: column;
                padding: 18px;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .btn-cta {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 12px;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-tabs {
                gap: 2px;
                padding: 2px;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-tabs::-webkit-scrollbar { display: none; }
            .nav-tab {
                padding: 6px 14px;
                font-size: 0.78rem;
                flex-shrink: 0;
            }
            .nav-cta .btn-nav {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .card {
                padding: 24px 20px;
            }
            .device-body {
                padding: 18px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
        }

        /* ========== 实用辅助 ========== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-8 { gap: 8px; }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --bg-dark: #0a0a14;
            --bg-dark2: #13132a;
            --bg-card: #f5f0e8;
            --bg-card-alt: #efe8dd;
            --bg-card-hover: #ebe3d6;
            --color-primary: #d4a373;
            --color-primary-dark: #b8895e;
            --color-primary-light: #e8c39e;
            --color-accent: #f5c842;
            --color-star: #f5c842;
            --color-text: #2d2a24;
            --color-text-light: #7a7268;
            --color-text-on-dark: #ede8dd;
            --color-text-muted: #9e958b;
            --color-border: #d4c9b8;
            --color-border-light: #e8e0d4;
            --color-warm-glow: rgba(212, 163, 115, 0.15);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.12);
            --shadow-card-hover: 0 10px 40px rgba(0, 0, 0, 0.2);
            --shadow-glow: 0 0 40px rgba(212, 163, 115, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-body: 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Courier New', monospace;
            --header-height: 70px;
            --max-width: 1200px;
        }

        /* ===== 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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--bg-dark);
            background-image: radial-gradient(ellipse at 20% 30%, #1a1a3a 0%, #0a0a14 70%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.3; color: var(--color-text); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(10, 10, 20, 0.88);
            backdrop-filter: blur(20px) saturate(1.2);
            border-bottom: 1px solid rgba(212, 163, 115, 0.15);
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-height); gap: 20px;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
            color: var(--color-primary-light); letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .logo i { color: var(--color-accent); font-size: 1.4rem; }
        .logo:hover { color: #fff; }
        .nav-tabs {
            display: flex; gap: 6px; align-items: center;
            background: rgba(255, 255, 255, 0.04);
            padding: 4px; border-radius: var(--radius-xl);
            border: 1px solid rgba(212, 163, 115, 0.1);
        }
        .nav-tab {
            padding: 8px 20px; border-radius: var(--radius-xl);
            font-size: 0.9rem; font-weight: 500; color: var(--color-text-muted);
            transition: var(--transition); cursor: pointer;
            white-space: nowrap; letter-spacing: 0.3px;
        }
        .nav-tab:hover { color: var(--color-primary-light); background: rgba(212, 163, 115, 0.08); }
        .nav-tab.active {
            background: var(--color-primary); color: #1a1a2e; font-weight: 600;
            box-shadow: 0 2px 12px rgba(212, 163, 115, 0.3);
        }
        .nav-tab.active:hover { background: var(--color-primary-dark); color: #1a1a2e; }
        .header-cta a {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 24px; border-radius: var(--radius-xl);
            background: var(--color-primary); color: #1a1a2e;
            font-weight: 600; font-size: 0.95rem;
            transition: var(--transition); border: 1px solid transparent;
        }
        .header-cta a:hover { background: #c4936a; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212, 163, 115, 0.25); }
        .menu-toggle { display: none; background: none; color: var(--color-text-on-dark); font-size: 1.5rem; cursor: pointer; padding: 8px; }

        /* ===== Hero ===== */
        .hero-section {
            position: relative; padding: 100px 0 80px;
            text-align: center; overflow: hidden;
        }
        .hero-section::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(212, 163, 115, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 6px 18px; border-radius: var(--radius-xl);
            background: rgba(212, 163, 115, 0.12); color: var(--color-primary-light);
            font-size: 0.85rem; font-weight: 500; letter-spacing: 0.5px;
            border: 1px solid rgba(212, 163, 115, 0.15); margin-bottom: 24px;
        }
        .hero-badge i { color: var(--color-accent); }
        .hero-section h1 {
            font-size: 3.2rem; color: #f5f0e8; margin-bottom: 20px;
            text-shadow: 0 2px 30px rgba(0,0,0,0.3);
            line-height: 1.2;
        }
        .hero-section h1 span { color: var(--color-primary-light); }
        .hero-sub {
            font-size: 1.15rem; color: var(--color-text-muted);
            max-width: 680px; margin: 0 auto 32px; line-height: 1.8;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-primary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 36px; border-radius: var(--radius-xl);
            background: var(--color-primary); color: #1a1a2e;
            font-weight: 600; font-size: 1.05rem;
            transition: var(--transition); border: 1px solid transparent;
        }
        .btn-primary:hover { background: #c4936a; transform: translateY(-3px); box-shadow: 0 10px 30px rgba(212, 163, 115, 0.25); }
        .btn-outline {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 36px; border-radius: var(--radius-xl);
            background: transparent; color: var(--color-primary-light);
            font-weight: 500; font-size: 1.05rem;
            border: 1.5px solid rgba(212, 163, 115, 0.3);
            transition: var(--transition);
        }
        .btn-outline:hover { background: rgba(212, 163, 115, 0.08); border-color: var(--color-primary); transform: translateY(-3px); }
        .hero-stars {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            pointer-events: none; overflow: hidden;
        }
        .hero-stars i {
            position: absolute; color: rgba(245, 200, 66, 0.15); font-size: 0.6rem;
            animation: twinkle 4s ease-in-out infinite alternate;
        }
        @keyframes twinkle { 0% { opacity: 0.2; transform: scale(0.8); } 100% { opacity: 1; transform: scale(1.2); } }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: rgba(245, 240, 232, 0.03); }
        .section-title {
            text-align: center; margin-bottom: 56px;
        }
        .section-title h2 {
            font-size: 2.2rem; color: #f5f0e8; margin-bottom: 12px;
        }
        .section-title h2 i { color: var(--color-primary-light); margin-right: 10px; }
        .section-title p {
            color: var(--color-text-muted); max-width: 600px; margin: 0 auto;
            font-size: 1.05rem; line-height: 1.7;
        }
        .section-divider {
            width: 60px; height: 4px; background: var(--color-primary);
            border-radius: 4px; margin: 16px auto 0;
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
        }
        .feature-card {
            background: rgba(245, 240, 232, 0.04); border-radius: var(--radius);
            padding: 40px 32px; text-align: center;
            border: 1px solid rgba(212, 163, 115, 0.08);
            transition: var(--transition);
        }
        .feature-card:hover { background: rgba(245, 240, 232, 0.07); border-color: rgba(212, 163, 115, 0.2); transform: translateY(-6px); box-shadow: var(--shadow-glow); }
        .feature-icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: rgba(212, 163, 115, 0.1); margin: 0 auto 20px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.6rem; color: var(--color-primary-light);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { background: rgba(212, 163, 115, 0.2); transform: scale(1.05); }
        .feature-card h3 { font-size: 1.25rem; color: #f5f0e8; margin-bottom: 12px; }
        .feature-card p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.7; }

        /* ===== 话题/帖子卡片 ===== */
        .topics-grid {
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
        }
        .topic-card {
            background: var(--bg-card); border-radius: var(--radius);
            padding: 28px 32px; border: 1px solid var(--color-border-light);
            transition: var(--transition); cursor: default;
        }
        .topic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--color-border); }
        .topic-tag {
            display: inline-block; padding: 2px 14px; border-radius: 20px;
            background: rgba(212, 163, 115, 0.12); color: var(--color-primary-dark);
            font-size: 0.75rem; font-weight: 600; letter-spacing: 0.3px;
            border: 1px solid rgba(212, 163, 115, 0.15); margin-bottom: 12px;
        }
        .topic-card h3 { font-size: 1.15rem; color: var(--color-text); margin-bottom: 10px; font-weight: 600; }
        .topic-card h3 a { color: inherit; }
        .topic-card h3 a:hover { color: var(--color-primary-dark); }
        .topic-card p { color: var(--color-text-light); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
        .topic-meta {
            display: flex; align-items: center; gap: 20px;
            font-size: 0.8rem; color: var(--color-text-light);
        }
        .topic-meta i { margin-right: 4px; }

        /* ===== 活动列表 ===== */
        .event-list { display: flex; flex-direction: column; gap: 20px; }
        .event-item {
            display: flex; align-items: center; gap: 24px;
            background: rgba(245, 240, 232, 0.03); border-radius: var(--radius);
            padding: 24px 28px; border: 1px solid rgba(212, 163, 115, 0.06);
            transition: var(--transition);
        }
        .event-item:hover { background: rgba(245, 240, 232, 0.06); border-color: rgba(212, 163, 115, 0.15); transform: translateX(4px); }
        .event-date {
            text-align: center; min-width: 72px;
            background: rgba(212, 163, 115, 0.1); border-radius: var(--radius-sm);
            padding: 12px 8px; border: 1px solid rgba(212, 163, 115, 0.1);
        }
        .event-date .day { font-size: 1.8rem; font-weight: 700; color: var(--color-primary-light); font-family: var(--font-heading); line-height: 1; }
        .event-date .month { font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; }
        .event-info { flex: 1; }
        .event-info h3 { font-size: 1.1rem; color: #f5f0e8; margin-bottom: 4px; }
        .event-info p { color: var(--color-text-muted); font-size: 0.9rem; }
        .event-meta { display: flex; gap: 16px; margin-top: 8px; font-size: 0.8rem; color: var(--color-text-muted); }
        .event-meta i { margin-right: 4px; color: var(--color-primary-light); }
        .event-badge {
            padding: 6px 16px; border-radius: var(--radius-xl);
            background: rgba(212, 163, 115, 0.1); color: var(--color-primary-light);
            font-size: 0.8rem; font-weight: 500; white-space: nowrap;
            border: 1px solid rgba(212, 163, 115, 0.15);
        }

        /* ===== 统计数据 ===== */
        .stats-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
        }
        .stat-item {
            text-align: center; padding: 32px 16px;
            background: rgba(245, 240, 232, 0.03); border-radius: var(--radius);
            border: 1px solid rgba(212, 163, 115, 0.06);
            transition: var(--transition);
        }
        .stat-item:hover { background: rgba(245, 240, 232, 0.06); border-color: rgba(212, 163, 115, 0.15); }
        .stat-number {
            font-family: var(--font-heading); font-size: 2.8rem; font-weight: 700;
            color: var(--color-primary-light); line-height: 1.1; margin-bottom: 6px;
        }
        .stat-item p { color: var(--color-text-muted); font-size: 0.95rem; }

        /* ===== 活跃成员 ===== */
        .members-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .member-card {
            background: rgba(245, 240, 232, 0.03); border-radius: var(--radius);
            padding: 32px 20px; text-align: center;
            border: 1px solid rgba(212, 163, 115, 0.06);
            transition: var(--transition);
        }
        .member-card:hover { background: rgba(245, 240, 232, 0.06); border-color: rgba(212, 163, 115, 0.15); transform: translateY(-4px); }
        .member-avatar {
            width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 16px;
            background: rgba(212, 163, 115, 0.15);
            display: flex; align-items: center; justify-content: center;
            font-size: 2rem; color: var(--color-primary-light);
            border: 2px solid rgba(212, 163, 115, 0.1);
        }
        .member-card h4 { font-size: 1rem; color: #f5f0e8; margin-bottom: 4px; }
        .member-card .member-title { font-size: 0.8rem; color: var(--color-text-muted); }
        .member-card .member-tag {
            display: inline-block; margin-top: 10px; padding: 2px 12px;
            border-radius: 20px; background: rgba(212, 163, 115, 0.08);
            color: var(--color-primary-light); font-size: 0.7rem;
            border: 1px solid rgba(212, 163, 115, 0.1);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px;
        }
        .faq-item {
            background: rgba(245, 240, 232, 0.03); border-radius: var(--radius);
            border: 1px solid rgba(212, 163, 115, 0.06); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(212, 163, 115, 0.15); }
        .faq-question {
            width: 100%; display: flex; align-items: center; justify-content: space-between;
            padding: 20px 28px; background: none; cursor: pointer;
            font-size: 1rem; font-weight: 500; color: #f5f0e8; text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--color-primary-light); }
        .faq-question i { transition: var(--transition); color: var(--color-primary-light); font-size: 0.8rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
            padding: 0 28px;
        }
        .faq-answer p {
            color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.7;
            padding-bottom: 20px;
        }
        .faq-item.active .faq-answer { max-height: 300px; }

        /* ===== CTA ===== */
        .cta-section {
            position: relative; padding: 80px 0;
            text-align: center; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 163, 115, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-block {
            background: rgba(245, 240, 232, 0.03); border-radius: var(--radius-lg);
            padding: 60px 40px; border: 1px solid rgba(212, 163, 115, 0.08);
            position: relative; z-index: 1;
        }
        .cta-block h2 { font-size: 2rem; color: #f5f0e8; margin-bottom: 16px; }
        .cta-block p { color: var(--color-text-muted); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; line-height: 1.7; }
        .cta-block .btn-primary { font-size: 1.1rem; padding: 16px 44px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(10, 10, 20, 0.95);
            border-top: 1px solid rgba(212, 163, 115, 0.08);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.3rem; margin-bottom: 16px; display: inline-flex; }
        .footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
        .footer-col h4 { font-size: 1rem; color: #f5f0e8; margin-bottom: 20px; letter-spacing: 0.5px; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul li a { color: var(--color-text-muted); font-size: 0.9rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--color-primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center;
            padding-top: 24px; border-top: 1px solid rgba(212, 163, 115, 0.06);
            font-size: 0.85rem; color: var(--color-text-muted);
        }
        .footer-social { display: flex; gap: 16px; }
        .footer-social a { color: var(--color-text-muted); font-size: 1.2rem; transition: var(--transition); }
        .footer-social a:hover { color: var(--color-primary-light); transform: scale(1.15); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .members-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .header-inner { height: 60px; }
            .logo { font-size: 1.2rem; }
            .nav-tabs { gap: 4px; padding: 3px; }
            .nav-tab { padding: 6px 14px; font-size: 0.8rem; }
            .header-cta a { padding: 8px 16px; font-size: 0.85rem; }
            .menu-toggle { display: block; }
            .hero-section { padding: 60px 0 50px; }
            .hero-section h1 { font-size: 2rem; }
            .hero-sub { font-size: 1rem; }
            .section { padding: 50px 0; }
            .section-title h2 { font-size: 1.6rem; }
            .features-grid { grid-template-columns: 1fr; gap: 20px; }
            .topics-grid { grid-template-columns: 1fr; }
            .event-item { flex-direction: column; align-items: flex-start; gap: 16px; }
            .event-date { display: flex; gap: 8px; align-items: center; min-width: auto; padding: 8px 16px; }
            .event-date .day { font-size: 1.2rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-number { font-size: 2rem; }
            .members-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
            .cta-block { padding: 40px 20px; }
            .cta-block h2 { font-size: 1.4rem; }
            .faq-question { padding: 16px 20px; font-size: 0.9rem; }
            .faq-answer { padding: 0 20px; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-primary, .btn-outline { width: 100%; justify-content: center; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-section h1 { font-size: 1.6rem; }
            .nav-tab { padding: 5px 10px; font-size: 0.7rem; }
            .logo { font-size: 1rem; }
            .logo i { font-size: 1rem; }
            .header-cta a { padding: 6px 12px; font-size: 0.75rem; }
            .features-grid { grid-template-columns: 1fr; }
            .topics-grid { grid-template-columns: 1fr; }
            .topic-card { padding: 20px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-number { font-size: 1.6rem; }
            .members-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .member-card { padding: 20px 12px; }
            .member-avatar { width: 56px; height: 56px; font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }