/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        
        html, body {
            height: 100%;
            width: 100%;
            overflow: hidden;
            background: #f8f9fa;
            color: #333;
        }
        
        /* 主容器 */
        .app-container {
            display: flex;
            flex-direction: column;
            height: 100vh;
            max-width: 1500px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
        }
        
        /* 头部样式 */
        .app-header {
            flex: 0 0 70px;
            background: #fff;
            border-bottom: 1px solid #e9ecef;
            padding: 0 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        
        .logo h1 {
            margin: 0;
            font-size: 22px;
            font-weight: 600;
            color: #2c3e50;
            letter-spacing: -0.5px;
        }
        
        .logo .tagline {
            font-size: 13px;
            color: #7f8c8d;
            margin-top: 3px;
        }
        
        .header-info {
            font-size: 14px;
            color: #5d6d7e;
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .category-filter {
            padding: 6px 12px;
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 4px;
            font-size: 13px;
            color: #495057;
            text-decoration: none;
            transition: all 0.2s;
        }
        
        .category-filter:hover {
            background: #e9ecef;
            border-color: #ced4da;
        }
        
        .category-filter.active {
            background: #2c3e50;
            color: white;
            border-color: #2c3e50;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            flex: 0 0 40px;
            background: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
            padding: 0 30px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: #6c757d;
        }
        
        .breadcrumb a {
            color: #495057;
            text-decoration: none;
            transition: color 0.2s;
        }
        
        .breadcrumb a:hover {
            color: #2c3e50;
        }
        
        .breadcrumb-separator {
            margin: 0 8px;
            color: #adb5bd;
        }
        
        /* 主要内容区 */
        .main-content {
            flex: 1;
            display: flex;
            min-height: 0;
            padding: 20px;
            gap: 20px;
        }
        
        /* 左侧边栏 */
        .sidebar {
            flex: 0 0 320px;
            background: #fff;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }
        
        .list-header {
            flex: 0 0 70px;
            background: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
            padding: 0 25px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .list-title {
            font-size: 16px;
            font-weight: 600;
            color: #2c3e50;
            margin: 0;
        }
        
        .list-count {
            font-size: 13px;
            color: #6c757d;
            margin-top: 3px;
        }
        
        .post-list-container {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 0;
        }
        
        .post-list {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
            background: #fff;
        }
        
        /* 帖子项 - 简化版，只显示标题 */
        .post-item {
            display: flex;
            align-items: center;
            height: 60px;
            padding: 0 15px;
            margin-bottom: 10px;
            background: #fff;
            border: 1px solid #e9ecef;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s ease;
            text-decoration: none;
            color: inherit;
        }
        
        .post-item:hover {
            background: #f8f9fa;
            border-color: #ced4da;
            transform: translateX(3px);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
        }
        
        .post-item.active {
            background: #f8f9fa;
            border-color: #2c3e50;
            border-left: 3px solid #2c3e50;
            box-shadow: 0 3px 12px rgba(44, 62, 80, 0.1);
        }
        
        .post-title {
            font-size: 14px;
            font-weight: 500;
            color: #2c3e50;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        /* 分页 */
        .pagination {
            flex: 0 0 60px;
            padding: 0 20px;
            border-top: 1px solid #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f8f9fa;
        }
        
        .pagination a, .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            margin: 0 3px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s;
        }
        
        .pagination a {
            background: #fff;
            border: 1px solid #dee2e6;
            color: #495057;
        }
        
        .pagination a:hover {
            background: #2c3e50;
            color: white;
            border-color: #2c3e50;
        }
        
        .pagination .current {
            background: #2c3e50;
            color: white;
            border: 1px solid #2c3e50;
            font-weight: 500;
        }
        
        /* 右侧内容区 */
        .content-area {
            flex: 1;
            background: #fff;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }
        
        .content-header {
            flex: 0 0 90px;
            background: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
            padding: 25px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .content-title {
            font-size: 20px;
            font-weight: 600;
            color: #2c3e50;
            margin: 0 0 10px 0;
            line-height: 1.4;
        }
        
        .content-meta {
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: #6c757d;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .content-body-container {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 0;
        }
        
        /* 内容区域 */
        .content-body {
            flex: 1;
            overflow-y: auto;
            padding: 30px;
            color: #444;
        }
        
        /* 帖子内容样式 */
        .post-content-text {
            font-size: 15px;
            line-height: 1.6;
            color: #333;
        }
        
        .post-content-text p {
            margin: 0 0 15px 0;
            text-align: justify;
            word-wrap: break-word;
            overflow-wrap: break-word;
        }
        
        /* 图片自适应 */
        .post-content-text img {
            max-width: 100% !important;
            height: auto !important;
            display: block;
            margin: 15px auto;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        
        /* 标题样式 */
        .post-content-text h1, 
        .post-content-text h2, 
        .post-content-text h3 {
            color: #2c3e50;
            margin: 20px 0 12px 0;
            font-weight: 600;
            line-height: 1.3;
        }
        
        .post-content-text h1 { font-size: 1.6em; }
        .post-content-text h2 { font-size: 1.4em; }
        .post-content-text h3 { font-size: 1.2em; }
        
        /* 列表样式 */
        .post-content-text ul, 
        .post-content-text ol {
            margin: 12px 0;
            padding-left: 24px;
        }
        
        .post-content-text li {
            margin: 5px 0;
            line-height: 1.5;
        }
        
        /* 代码块样式 */
        .post-content-text pre,
        .post-content-text code {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 4px;
            padding: 2px 6px;
            font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
            font-size: 0.9em;
        }
        
        .post-content-text pre {
            padding: 12px;
            overflow-x: auto;
            margin: 12px 0;
        }
        
        /* 表格样式 */
        .post-content-text table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
        }
        
        .post-content-text table th,
        .post-content-text table td {
            border: 1px solid #dee2e6;
            padding: 8px 12px;
            text-align: left;
        }
        
        .post-content-text table th {
            background: #f8f9fa;
            font-weight: 600;
        }
        
        /* 分享提示区域 */
        .share-info {
            background: #f8f9fa;
            padding: 20px 30px;
            border-top: 1px solid #e9ecef;
            font-size: 14px;
            color: #495057;
        }
        
        .share-label {
            color: #2c3e50;
            font-weight: 600;
            margin-bottom: 8px;
        }
        
        .share-link {
            color: #3498db;
            text-decoration: none;
            word-break: break-all;
            display: inline-block;
            padding: 8px 12px;
            background: #fff;
            border: 1px solid #dee2e6;
            border-radius: 6px;
            font-size: 13px;
            transition: all 0.2s;
        }
        
        .share-link:hover {
            background: #f8f9fa;
            border-color: #3498db;
        }
        
        .share-notice {
            margin-top: 10px;
            font-size: 13px;
            color: #7f8c8d;
        }
        
        .share-notice a {
            color: #e74c3c;
            text-decoration: none;
            font-weight: 500;
        }
        
        .share-notice a:hover {
            text-decoration: underline;
        }
        
        /* 空状态 */
        .empty-state {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            color: #95a5a6;
            font-size: 15px;
            text-align: center;
            padding: 40px;
        }
        
        .empty-state .icon {
            font-size: 48px;
            margin-bottom: 15px;
            opacity: 0.3;
        }
        
        /* 滚动条美化 */
        .post-list::-webkit-scrollbar,
        .content-body::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        
        .post-list::-webkit-scrollbar-track,
        .content-body::-webkit-scrollbar-track {
            background: #f1f2f6;
            border-radius: 3px;
        }
        
        .post-list::-webkit-scrollbar-thumb,
        .content-body::-webkit-scrollbar-thumb {
            background: #bdc3c7;
            border-radius: 3px;
        }
        
        .post-list::-webkit-scrollbar-thumb:hover,
        .content-body::-webkit-scrollbar-thumb:hover {
            background: #95a5a6;
        }
        
        /* 响应式设计 */
        @media (max-width: 1500px) {
            .app-container {
                border-radius: 0;
                box-shadow: none;
            }
        }
        
        @media (max-width: 1024px) {
            .main-content {
                flex-direction: column;
                padding: 15px;
            }
            
            .sidebar {
                flex: 0 0 300px;
                width: 100%;
            }
            
            .app-header {
                padding: 0 20px;
            }
            
            .content-header {
                padding: 20px;
            }
            
            .content-body {
                padding: 20px;
            }
            
            .post-title {
                -webkit-line-clamp: 3;
            }
        }
        
        @media (max-width: 768px) {
            .app-header {
                flex-direction: column;
                align-items: flex-start;
                padding: 15px;
                height: auto;
                min-height: 70px;
            }
            
            .logo {
                margin-bottom: 10px;
            }
            
            .header-info {
                width: 100%;
                justify-content: space-between;
                flex-wrap: wrap;
            }
            
            .main-content {
                padding: 10px;
                gap: 15px;
            }
            
            .breadcrumb {
                padding: 0 15px;
            }
            
            .content-title {
                font-size: 18px;
            }
            
            .post-item {
                height: 55px;
                padding: 0 12px;
            }
            
            .post-title {
                font-size: 13px;
                -webkit-line-clamp: 2;
            }
            
            .post-content-text {
                font-size: 14px;
                line-height: 1.5;
            }
        }
        
        @media (max-width: 480px) {
            .logo h1 {
                font-size: 18px;
            }
            
            .header-info {
                gap: 8px;
            }
            
            .category-filter {
                font-size: 12px;
                padding: 4px 8px;
            }
            
            .content-meta {
                flex-direction: column;
                gap: 6px;
                font-size: 12px;
            }
            
            .pagination a, .pagination span {
                min-width: 30px;
                height: 30px;
                font-size: 12px;
                margin: 0 2px;
            }
            
            .post-item {
                height: 50px;
                margin-bottom: 8px;
            }
            
            .post-title {
                font-size: 12px;
                -webkit-line-clamp: 2;
            }
        }