* { margin: 0; padding: 0; box-sizing: border-box; }
        
        .docs-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        
        /* 页面标题 */
        .page-header {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .page-header .header-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
        }
        
        .page-header h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        
        .page-header p {
            font-size: 18px;
            color: var(--text-secondary);
        }
        
        /* 快速导航 */
        .quick-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 50px;
            padding: 20px;
            background: var(--bg-primary);
            border-radius: 60px;
            border: 1px solid var(--border-color);
        }
        
        .quick-nav a {
            padding: 10px 20px;
            background: var(--bg-secondary);
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .quick-nav a:hover {
            background: var(--primary-color);
            color: white;
        }
        
        .quick-nav a img {
            width: 18px;
            height: 18px;
        }
        
        .quick-nav a:hover img {
            filter: brightness(0) invert(1);
        }
        
        /* 内容卡片 */
        .doc-section {
            background: var(--bg-primary);
            border-radius: 28px;
            padding: 36px;
            margin-bottom: 30px;
            border: 1px solid var(--border-color);
        }
        
        .section-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--border-color);
        }
        
        .section-header img {
            width: 40px;
            height: 40px;
        }
        
        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        /* 安装步骤 */
        .steps-container {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .step-card {
            display: flex;
            gap: 24px;
            padding: 24px;
            background: var(--bg-secondary);
            border-radius: 20px;
            transition: all 0.3s;
        }
        
        .step-card:hover {
            background: var(--bg-primary);
            box-shadow: var(--shadow-md);
        }
        
        .step-icon {
            width: 64px;
            height: 64px;
            flex-shrink: 0;
            background: white;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-sm);
        }
        
        .step-icon img {
            width: 36px;
            height: 36px;
        }
        
        .step-content {
            flex: 1;
        }
        
        .step-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        
        .step-number {
            width: 32px;
            height: 32px;
            background: var(--primary-color);
            color: white;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }
        
        .step-title h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .step-desc {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: 15px;
        }
        
        .step-detail {
            background: white;
            border-radius: 14px;
            padding: 16px 20px;
            margin-top: 12px;
        }
        
        .step-detail p {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        
        .step-detail img {
            width: 18px;
            height: 18px;
        }
        
        .step-detail code {
            background: var(--bg-secondary);
            padding: 2px 8px;
            border-radius: 8px;
            font-family: 'Monaco', 'Menlo', monospace;
            font-size: 13px;
        }
        
        /* 环境要求表格 */
        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        
        .req-card {
            background: var(--bg-secondary);
            border-radius: 18px;
            padding: 24px;
            display: flex;
            align-items: center;
            gap: 18px;
        }
        
        .req-card img {
            width: 48px;
            height: 48px;
        }
        
        .req-info h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        
        .req-info p {
            color: var(--text-secondary);
            font-size: 15px;
        }
        
        .req-badge {
            margin-left: auto;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
        }
        
        .req-badge.required {
            background: #fee2e2;
            color: #dc2626;
        }
        
        .req-badge.recommend {
            background: #fef3c7;
            color: #d97706;
        }
        
        /* 常见问题 */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .faq-item {
            background: var(--bg-secondary);
            border-radius: 18px;
            overflow: hidden;
        }
        
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            transition: background 0.2s;
        }
        
        .faq-question:hover {
            background: var(--bg-primary);
        }
        
        .faq-question img {
            width: 24px;
            height: 24px;
        }
        
        .faq-question span {
            flex: 1;
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--text-muted);
            transition: transform 0.3s;
        }
        
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px 62px;
        }
        
        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .faq-answer code {
            background: var(--bg-primary);
            padding: 2px 8px;
            border-radius: 6px;
            font-family: monospace;
        }
        
        /* 提示卡片 */
        .tip-card {
            background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
            border-radius: 20px;
            padding: 24px 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            color: #0369a1;
        }
        
        .tip-card img {
            width: 44px;
            height: 44px;
        }
        
        .tip-card p {
            font-size: 15px;
            line-height: 1.7;
        }
        
        .tip-card a {
            color: #0369a1;
            font-weight: 600;
            text-decoration: underline;
        }
        
        /* 目录权限表格 */
        .perm-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
        
        .perm-table th,
        .perm-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        
        .perm-table th {
            background: var(--bg-secondary);
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .perm-table td {
            color: var(--text-secondary);
        }
        
        .perm-table code {
            background: var(--bg-secondary);
            padding: 4px 10px;
            border-radius: 6px;
            font-family: monospace;
        }
        
        /* 响应式 */
        @media (max-width: 768px) {
            .page-header h1 { font-size: 30px; }
            .doc-section { padding: 24px 18px; }
            .step-card { flex-direction: column; }
            .quick-nav { border-radius: 30px; }
            .req-card { flex-wrap: wrap; }
            .tip-card { flex-direction: column; text-align: center; }
        }