/* 菜单按钮样式 */
        .menu-button {
            background: #4a6cf7;
            color: white;
            border: none;
            border-radius: 8px;
            padding: 16px 30px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(74, 108, 247, 0.4);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
        }
        
        .menu-button:hover {
            background: #3b5be3;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(74, 108, 247, 0.5);
        }
        
        /* 弹窗样式 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .enquiry-form {
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            width: 90%;
            max-width: 500px;
            padding: 30px;
            transform: translateY(-50px) scale(0.9);
            transition: transform 0.5s ease;
            position: relative;
        }
        
        .modal-overlay.active .enquiry-form {
            transform: translateY(0) scale(1);
        }
        
        .close-button {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #999;
            transition: color 0.3s;
        }
        
        .close-button:hover {
            color: #ff6b6b;
        }
     
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2d3436;
        }
        
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        
        input:focus, textarea:focus, select:focus {
            border-color: #6c5ce7;
            outline: none;
        }
        
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        
        .submit-btn {
            background: #333333;
            color: white;
            border: none;
            border-radius: 8px;
            padding: 15px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }
        
        .submit-btn:hover {
            background: #5649c9;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .menu-button {
                padding: 14px 25px;
                font-size: 16px;
            }
            
            .enquiry-form {
                padding: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .menu-button {
                padding: 12px 20px;
                font-size: 15px;
            }
            
            input, textarea, select {
                padding: 10px;
            }
            
            .submit-btn {
                padding: 12px;
            }
        }