* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
   
        
        .containerr {
            max-width:100%;;
            margin: 0 auto;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 20px;
        }
        
     
        
        .description {
            text-align: center;
            color: #7f8c8d;
            margin-bottom: 30px;
            line-height: 1.6;
        }
        
        /* 横向菜单样式 */
        .horizontal-menu {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            list-style: none;
            padding: 0;
            margin: 0 -10px;
        }
        
        .menu-item {
            flex: 1;
            min-width: 150px;
            max-width: 200px;
            margin: 10px;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .menu-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .menu-item a {
            display: block;
            padding: 15px;
            text-decoration: none;
            color: #34495e;
            font-weight: 500;
            text-align: center;
            transition: background 0.3s;
        }
        
        .menu-item a:hover {
            background: #fb8080;
            color: white;
        }
        
        .menu-item.active {
            background: #ecf0f1;
            border-left: 4px solid #fb8080;
        }
        
        .menu-item.active a {
            color: #3498db;
            font-weight: 600;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .horizontal-menu {
                flex-direction: column;
                align-items: center;
            }
            
            .menu-item {
                min-width: 80%;
                max-width: 300px;
            }
        }
        
        .code-containerr {
            margin-top: 40px;
            background: #2c3e50;
            color: #ecf0f1;
            padding: 20px;
            border-radius: 8px;
            font-family: Consolas, Monaco, 'Andale Mono', monospace;
            overflow-x: auto;
        }
        
        .code-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #34495e;
        }
        
        .code-title {
            font-size: 18px;
            font-weight: 600;
        }
        
        .copy-btn {
            background: #fb8080;
            color: white;
            border: none;
            padding: 5px 10px;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .copy-btn:hover {
            background: #fb8080;
        }
        
        pre {
            margin: 0;
            line-height: 1.5;
        }
        
        .comment {
            color: #95a5a6;
        }
        
        .keyword {
            color: #e74c3c;
        }
        
        .string {
            color: #2ecc71;
        }