/* 优化的产品展示样式 */
        .product-filter {
            margin-top: 20px;
            margin-bottom: 30px;
            text-align: center;
        }
        
        .filter-btn {
            display: inline-block;
            padding: 10px 20px;
            margin: 0 10px;
            background-color: #f3f2f2;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 16px;
            color: #363636;
        }
        
        .filter-btn:hover,
        .filter-btn.active {
            background-color: #4992d1;
            color: white;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }
        
        .product-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            cursor: pointer;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .product-image {
            height: 200px;
            overflow: hidden;
            background-color: #f8f8f8;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .product-image img {
            max-width: 100%;
            max-height: 100%;
            transition: transform 0.5s ease;
        }
        
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        
        .product-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .product-title {
            font-size: 20px;
            margin-bottom: 10px;
            color: #333;
        }
        
        .product-model {
            font-size: 16px;
            font-style: italic;
            color: #666;
            margin-bottom: 15px;
        }
        
        .product-description {
            font-size: 14px;
            line-height: 1.6;
            color: #666;
            flex-grow: 1;
        }
        
        .product-brand {
            display: inline-block;
            margin-top: 15px;
            padding: 5px 10px;
            background-color: #f0f0f0;
            border-radius: 4px;
            font-size: 12px;
            color: #666;
        }
        
        /* 模态框样式 */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.7);
            animation: fadeIn 0.3s ease;
        }
        
        .modal-content {
            background-color: #fefefe;
            margin: 5% auto;
            padding: 30px;
            border: 1px solid #888;
            width: 90%;
            max-width: 800px;
            border-radius: 8px;
            animation: slideIn 0.3s ease;
        }
        
        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        
        .close:hover,
        .close:focus {
            color: #000;
            text-decoration: none;
        }
        
        .modal-product-image {
            width: 100%;
            max-height: 400px;
            object-fit: contain;
            margin-bottom: 20px;
        }
        
        .modal-product-title {
            font-size: 28px;
            margin-bottom: 15px;
            color: #333;
        }
        
        .modal-product-model {
            font-size: 20px;
            font-style: italic;
            color: #666;
            margin-bottom: 20px;
        }
        
        .modal-product-description {
            white-space: pre-line;
            line-height: 1.6;
            margin-top: 15px;
            color: #333;
        }
        
        @keyframes fadeIn {
            from {opacity: 0;}
            to {opacity: 1;}
        }
        
        @keyframes slideIn {
            from {transform: translateY(-50px); opacity: 0;}
            to {transform: translateY(0); opacity: 1;}
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .product-filter {
                margin-top: 15px;
                margin-bottom: 20px;
            }
            
            .filter-btn {
                padding: 8px 15px;
                margin: 0 5px 10px 5px;
                font-size: 14px;
            }
            
            .product-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .modal-content {
                margin: 10% auto;
                padding: 20px;
            }
            
            .modal-product-title {
                font-size: 24px;
            }
            
            .modal-product-model {
                font-size: 18px;
            }
        }
        
        /* 清除原始样式中可能冲突的部分 */
        .wrap {
            display: none; /* 隐藏原始的产品展示 */
        }
        
        /* 改进分类侧边栏样式 */
        .model-title-ul {
            padding: 20px 30px;
        }
        
        .model-title-ul li {
            margin-bottom: 10px;
            transition: all 0.3s ease;
        }
        
        .model-title-ul li a {
            display: block;
            padding: 10px 15px;
            border-radius: 4px;
            transition: all 0.3s ease;
            color: #333;
        }
        
        .model-title-ul li a:hover,
        .model-title-ul li a.active {
            background-color: #4992d1;
            color: white;
            text-decoration: none;
        }