* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", Arial, sans-serif;
        }
        
        .container1 {
            max-width: 1400px;
            margin: 40px auto;
            padding: 0 20px;
            display: flex;
            gap: 30px;
        }
        
a {
            text-decoration: none;
            color: #333;
        }
        ul {
            list-style: none;
        }
        
        .left-category {
            width: 260px;
            flex-shrink: 0;
            background: #f8f8f8;
            border-radius: 6px;
            overflow: hidden;
        }
        .cate-title {
            background: #222;
            color: #fff;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 500;
        }
        .first-cate > li {
            border-bottom: 1px solid #eee;
        }
        .first-cate-item {
            padding: 14px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: 0.2s;
        }
        .first-cate-item:hover {
            background: #eeeeee;
        }
        .first-cate-item.active {
            background: #0056b3;
            color: #fff;
        }
        .active-wrap  {
            background: #e8f0fc;
        }
        /* 二级子分类 */
        .second-cate {
            background: #fff;
            display: none;
        }
        .second-cate li a {
            display: block;
            padding: 12px 35px;
            font-size: 14px;
            color: #555;
            transition: 0.2s;
        }
        .second-cate li a:hover,
        .second-cate li a.active {
            color: #0056b3;
            background: #f0f7ff;
        }
        .arrow {
            font-size: 12px;
            transition: transform 0.2s;
        }
        .arrow.open {
            transform: rotate(180deg);
        }
        /* 右侧附件区域 */
        .right-product {
            flex: 1;
        }
        .filter-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
            margin-bottom: 20px;
        }
        .current-cate-name {
            font-size: 18px;
            color: #222;
        }
        .sort-select select {
            padding: 6px 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            outline: none;
        }
        /* 附件卡片网格 */
        .product-wrap {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 24px;
            margin-bottom: 40px;
        }
        .product-card {
            border: 1px solid #eee;
            border-radius: 6px;
            overflow: hidden;
            transition: all 0.25s ease;
            background: #fff;
        }
        .product-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            transform: translateY(-3px);
        }
        .prod-info {
            padding: 14px;
        }
        .prod-name {
            font-size: 15px;
            color: #222;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .prod-model {
            font-size: 13px;
            color: #888;
            margin-bottom: 8px;
        }
        .prod-price {
            color: #c81623;
            font-weight: bold;
            font-size: 13px;
            margin: 4px 0;
        }
        /* 空数据提示 */
        .empty-tip {
            padding: 60px 0;
            text-align: center;
            color: #999;
            font-size: 14px;
        }
       
        /* 移动端适配 */
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
            }
            .left-category {
                width: 100%;
            }
            .product-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
                
        /* 分页控件 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 60px 0;
    flex-wrap: wrap;
}
.pagination a{
	 text-decoration: none; 
		 color: inherit;
}
.page-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border: 1px solid #e0e0e0;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.page-btn:hover:not(.active):not(.disabled) {
    border-color: #d4b16a;
    color: #d4b16a;
    transform: scale(1.1);
}
.page-btn.active {
    background-color: #00338d;
    color: white;
    border-color: #00338d;
}
.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}