.container {
            max-width: 1000px;
            width: 100%;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 30px;
            margin-top: 20px;
        }
        
        .description {
            text-align: center;
            color: #7f8c8d;
            margin-bottom: 30px;
            font-size: 16px;
            line-height: 1.5;
        }
        
        .button-group {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
            margin-bottom: 30px;
        }
        
        .dBtn {
            padding: 12px 24px;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .dBtn-primary {
            background: #3498db;
            color: white;
        }
        
        .dBtn-primary:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        
        .dBtn-success {
            background: #2ecc71;
            color: white;
        }
        
        .dBtn-success:hover {
            background: #27ae60;
            transform: translateY(-2px);
        }
        
        .dBtn-warning {
            background: #f39c12;
            color: white;
        }
        
        .dBtn-warning:hover {
            background: #e67e22;
            transform: translateY(-2px);
        }
        
        .dBtn-danger {
            background: #e74c3c;
            color: white;
        }
        
        .dBtn-danger:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }
        
        /* 遮罩层样式 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            animation: fadeIn 0.3s ease;
        }
        
        /* 对话框样式 */
        .dialog {
            background: white;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            width: 90%;
            max-width: 500px;
            animation: slideIn 0.3s ease;
            overflow: hidden;
        }
        
        .dialog-header {
            padding: 20px;
            background: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .dialog-title {
            font-size: 20px;
            font-weight: 600;
            color: #2c3e50;
            margin: 0;
        }
        
        .close-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #7f8c8d;
            transition: color 0.3s;
        }
        
        .close-btn:hover {
            color: #e74c3c;
        }
        
        .dialog-body {
            padding: 20px;
            color: #5a6c7d;
            line-height: 1.6;
        }
        
        .dialog-footer {
            padding: 15px 20px;
            background: #f8f9fa;
            border-top: 1px solid #e9ecef;
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }
        
        .dialog-small {
            max-width: 400px;
        }
        
        .dialog-large {
            max-width: 700px;
        }
        
        /* 非模态对话框样式 */
        .non-modal-dialog {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            width: 90%;
            max-width: 500px;
            z-index: 1001;
            display: none;
            animation: slideIn 0.3s ease;
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes slideIn {
            from { 
                opacity: 0;
                transform: translateY(-20px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .feature-card {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #3498db;
        }
        
        .feature-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: #2c3e50;
        }
        
        .feature-desc {
            color: #5a6c7d;
            font-size: 14px;
            line-height: 1.5;
        }
        
        .code-snippet {
            background: #2d3748;
            color: #e2e8f0;
            padding: 15px;
            border-radius: 6px;
            margin: 20px 0;
            font-family: 'Consolas', monospace;
            font-size: 14px;
            line-height: 1.5;
            overflow-x: auto;
        }
        
        .footer {
            margin-top: 40px;
            text-align: center;
            color: #7f8c8d;
            font-size: 14px;
            padding-top: 20px;
            border-top: 1px solid #eaecee;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            .button-group {
                flex-direction: column;
            }
            
            .dBtn {
                width: 100%;
            }
        }