* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f2f2f2;
            color: #333;
            line-height: 1.6;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            min-height: 100vh;
        }
        
        .container {
            width: 100%;
            max-width: 900px;
        }
        
        /* 顶部警告栏 */
        .warning-bar {
            background-color: #ffebee;
            color: #d32f2f;
            padding: 14px 20px;
            text-align: center;
            font-size: 16px;
            font-weight: bold;
            border: 1px solid #ffcdd2;
            border-radius: 6px 6px 0 0;
            margin-bottom: 0;
        }
        
        /* 内容盒子样式 */
        .content-box {
            background-color: white;
            border: 1px solid #ddd;
            border-radius: 0 0 6px 6px;
            padding: 0;
            margin-bottom: 30px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        
        /* 标题样式 */
        .section-title {
            background-color: #f5f5f5;
            padding: 14px 20px;
            font-size: 18px;
            font-weight: bold;
            color: #333;
            border-bottom: 1px solid #ddd;
            margin: 0;
        }
        
        /* 列表样式 */
        .item-list {
            list-style: none;
            padding: 0;
        }
        
        .list-item {
            padding: 12px 20px;
            border-bottom: 2px solid #f0f0f0;
            display: flex;
            align-items: center;
            transition: background-color 0.2s;
        }
        
        .list-item:hover {
            background-color: #f9f9f9;
        }
        
        .list-item:last-child {
            border-bottom: none;
        }
        
        /* 箭头样式 */
        .arrow {
            color: #1976d2;
            font-size: 16px;
            margin-right: 12px;
            font-weight: bold;
        }
        
        /* 下载区域样式 */
        .download-item {
            cursor: pointer;
            color: #1976d2;
            text-decoration: none;
            flex-grow: 1;
        }
        
        .download-item:hover {
            color: #0d47a1;
            text-decoration: underline;
        }
        
        /* 镜像区域样式 */
        .mirror-text {
            flex-grow: 1;
        }
        
        .mirror-url {
            background-color: #f8f9fa;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            padding: 8px 12px;
            margin-top: 5px;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 14px;
            color: #333;
            word-break: break-all;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        
        .mirror-url:hover {
            background-color: #e9ecef;
        }
        
        .mirror-cmd {
            background-color: #333;
            color: #fff;
            border-radius: 4px;
            padding: 8px 12px;
            margin-top: 5px;
            font-family: 'Consolas', 'Monaco', monospace;
            font-size: 14px;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        
        .mirror-cmd:hover {
            background-color: #444;
        }
        
        /* 复制成功提示 */
        .copy-notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background-color: #4caf50;
            color: white;
            padding: 12px 20px;
            border-radius: 4px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.2);
            z-index: 1000;
            display: none;
            font-size: 14px;
            font-weight: bold;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }
            
            .list-item {
                padding: 10px 15px;
            }
            
            .mirror-url, .mirror-cmd {
                font-size: 13px;
            }
            
            .section-title {
                font-size: 16px;
            }
        }
        
        /* 页脚样式 */
        .footer {
            text-align: center;
            margin-top: 30px;
            color: #666;
            font-size: 14px;
        }
        
        .footer a {
            color: #1976d2;
            text-decoration: none;
        }
        
        .footer a:hover {
            text-decoration: underline;
        }