/* 红色高端主题配色 */
      
        .category-tabs{
          display:flex;
          justify-content:center;
          flex-wrap:wrap;
          gap:12px;
            margin-top:60px ; 
        margin-bottom:60px ; 
        }
        .tab{
          padding:12px 28px;
          border:1px solid #eee;
          background:#fff;
          border-radius:50px;
          cursor:pointer;
          transition:0.3s;
          font-size:15px;
          color:#555;
        }
        .tab:hover{
          border-color:#b40000;
          color:#b40000;
        }
        .tab.active{
          background:#b40000;
          color:#fff;
          border-color:#b40000;
        }
             
    
        /* 产品列表容器 */
        .product-container {
            max-width: 1400px;
            margin: 0 auto ;
       
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 35px;
            display: none;
            margin-bottom:80px;
        }
        .show{
            display: grid !important ;
        }

        /* 产品卡片 */
        .product-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
        }

        /* 产品图片 */
        .product-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-bottom: 3px solid var(--main-red);
        }

        /* 产品信息 */
        .product-info {
            padding: 20px;
        }

        .product-info h3 {
            font-size: 18px;
            color: var(--main-red);
            margin-bottom: 10px;
        }

        .product-info p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.6;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            
            .nav {
                display: none;
            }
            .product-container {
                grid-template-columns: 1fr;
            }
            .product-card{
                margin: 0 20px;
            }
            .product-img {
              
            }
        }