body {
    background-color: #f5f5f5;
  }

  .seller-info > li {
    display: grid;
    grid-template-columns: 62px 16px 1fr;
    padding: 0.4rem 0;
    font-size: .9rem;
  }

  .seller-info > li a {
    color: #3f51b5;
  }

  .seller-info > li > span:first-child {
    text-align-last: justify;
    color: #666;
  }

  .contact-us-btn a {
    border-radius: 4px;
  }

  .contact-us-btn a:hover {
    color: #fff;
  }

  .contact-us-btn a img {
    width: 20px;
  }
 
 
 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "SimSun", "宋体", sans-serif;
        }
        
        /*body {*/
        /*    width: 1889px;*/
        /*    min-height: 3812px;*/
        /*    background-color: #F5F5F5;*/
        /*    position: relative;*/
        /*    overflow-x: hidden;*/
        /*}*/
        
        /* 顶部导航 */
        .top-nav {
            width: 100%;
            height: 30px;
            background-color: #FF4400;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
            color: white;
            font-size: 12px;
        }
        
        .top-nav-left, .top-nav-right {
            display: flex;
            align-items: center;
        }
        
        .top-nav-left span, .top-nav-right a {
            margin-right: 15px;
            color: white;
            text-decoration: none;
        }
        
        /* 搜索区域 */
        .search-bar {
            width: 100%;
            height: 80px;
            background-color: white;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid #E5E5E5;
        }
        
        .logo {
            color: #FF4400;
            font-weight: bold;
            font-size: 24px;
            margin-right: 30px;
        }
        
        .search-box {
            width: 500px;
            height: 30px;
            border: 1px solid #CCCCCC;
            display: flex;
            align-items: center;
            padding: 0 10px;
            margin-right: 10px;
        }
        
        .search-box input {
            width: 100%;
            border: none;
            outline: none;
            color: #999999;
        }
        
        .search-btn {
            width: 60px;
            height: 30px;
            background-color: #FF4400;
            color: white;
            border: none;
            margin-right: 10px;
            cursor: pointer;
        }
        
        .shop-search-btn {
            width: 80px;
            height: 30px;
            background-color: white;
            color: #FF4400;
            border: 1px solid #FF4400;
            cursor: pointer;
        }
        
        /* 店铺头部 */
        .shop-header {
            width: 100%;
            height: 120px;
            background-color: white;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid #E5E5E5;
            margin-bottom:20px;border-radius: 16px;
        }
        
        .shop-logo {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: #FF7400;
            margin-right: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-weight: bold;    overflow: hidden;
        }
        
        .shop-info {
            flex: 1;
        }
        
        .shop-name {
            font-size: 16px;
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        .shop-tags {
            display: flex;
            flex-wrap: wrap;
        }
        
        .shop-tag {
            font-size: 12px;
            color: #666666;
            margin-right: 15px;
        }
        
        .shop-actions {
            display: flex;
            align-items: center;
        }
        
        .service-btn {
            width: 80px;
            height: 30px;
            background-color: white;
            border: 1px solid #CCCCCC;
            margin-right: 10px;
            cursor: pointer;
        }
        
        .follow-btn {
            width: 80px;
            height: 30px;
            background-color: #FF7400;
            color: white;
            border: none;
            cursor: pointer;
        }
        
        /* 优惠券区域 */
        .coupons {
            width: 100%;
            height: 100px;
            background-color: white;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid #E5E5E5;
            overflow-x: auto;
        }
        
        .coupon {
            min-width: 200px;
            height: 70px;
            border: 1px dashed #FF7400;
            margin-right: 15px;
            padding: 10px;
            position: relative;
        }
        
        .coupon-amount {
            color: #FF7400;
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        .coupon-condition {
            font-size: 12px;
            color: #666666;
            margin-bottom: 5px;
        }
        
        .coupon-date {
            font-size: 12px;
            color: #999999;
            margin-bottom: 5px;
        }
        
        .coupon-btn {
            position: absolute;
            right: 10px;
            bottom: 10px;
            width: 50px;
            height: 20px;
            background-color: #FF7400;
            color: white;
            border: none;
            font-size: 12px;
            cursor: pointer;
        }
        
        /* 筛选栏 */
        .filter-bar {
            width: 100%;
            height: 40px;
            background-color: #EDF2F8;
            display: flex;
            align-items: center;
            padding: 0 20px;
            border-bottom: 1px solid #E5E5E5;
        }
        
        .filter-option {
            margin-right: 20px;
            font-size: 12px;
            display: flex;
            align-items: center;
        }
        
        .filter-option input {
            margin-right: 5px;
        }
        
        .filter-btn {
            height: 25px;
            padding: 0 10px;
            background-color: white;
            border: 1px solid #CCCCCC;
            margin-right: 10px;
            cursor: pointer;
        }
        
        .export-btn {
            height: 25px;
            padding: 0 10px;
            background-color: #1E90FF;
            color: white;
            border: none;
            cursor: pointer;
        }
        
        .sort-tabs {
            display: flex;
            margin-left: auto;
        }
        
        .sort-tab {
            margin-left: 20px;
            font-size: 12px;
            cursor: pointer;
        }
        
        .sort-tab.active {
            color: #FF7400;
            border-bottom: 2px solid #FF7400;
        }
        
        /* 主体内容 */
        .main-content {
            display: flex;
            width: 100%;
        }
        
        /* 左侧分类 */
        .category-sidebar {
            width: 240px;
            background-color: white;
            /*border-right: 1px solid #E5E5E5;*/
            padding: 15px;border-radius: 16px;
        }
        
        
        .category-item {
            height:40px;
            line-height: 40px;
            padding-left: 20px;
            /*font-size: 14px;*/
            cursor: pointer;
            position: relative;border-radius: 8px;
            margin-bottom:5px;
        }
        
        .category-item:hover {
            background-color: #F5F5F5;
        }
        .category-item{
            color:#2c2c2c;font-size: 16px;
        }
        .category-sidebar a:hover {
            text-decoration: none;
        }
        
        /*.category-item::after {*/
        /*    content: "▼";*/
        /*    position: absolute;*/
        /*    right: 15px;*/
        /*    top: 0;*/
        /*    font-size: 12px;*/
        /*    color: #999999;*/
        /*}*/
        
        /* 商品区 */
        .product-list{
            width: calc(100% - 240px);margin-left: 20px;background: #fff;
        }
        
        .product-area {
            /*width: calc(100% - 240px);*/
            /*padding-left:15px;*/
            margin-left: 20px;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
                border-radius: 16px;
    overflow: hidden;
    padding: 16px;
    background: #fff;
        }
        .shopnodeta{
            /*width: calc(100% - 240px);*/
            margin-left: 16px;
    background: #fff;
    padding: 50px;
        }
        
        .product-card {
            background-color: white;
            /*padding: 10px;*/
            position: relative;
        }
        
        .product-image {
            width: 100%;
            height: 0;
            padding-bottom: 100%;
            background-color: #F5F5F5;
            margin-bottom: 10px;
        }
        
        .thumbnail-row {
            display: flex;
            margin-bottom: 10px;
        }
        
        .thumbnail {
            width: 30px;
            height: 30px;
            background-color: #F5F5F5;
            margin-right: 5px;
        }
        
        .product-title {
            font-size: 14px;
            color: #333333;
            margin-bottom: 5px;
            height: 40px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        
        .promotion-tag {
            color: #FF7400;
            font-size: 12px;
            margin-bottom: 5px;
        }
        
        .product-price {
            color: #FF7400;
            font-size: 18px;
            font-family: Arial, sans-serif;
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        .sales-count {
            color: #999999;
            font-size: 12px;
        }
        
        .product-checkbox {
            position: absolute;
            left: 10px;
            bottom: 10px;
        }
        
        /* 右侧功能栏 */
        .function-sidebar {
            width: 230px;
            background-color: white;
            border-left: 1px solid #E5E5E5;
            padding: 20px 10px;
            position: fixed;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
        }
        
        .function-btn {
            width: 40px;
            height: 40px;
            margin: 0 auto 15px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
        }
        
        .cart-badge {
            position: relative;
        }
        
        .badge {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 20px;
            height: 20px;
            background-color: red;
            color: white;
            border-radius: 50%;
            font-size: 12px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        /* 底部 */
        .loading {
            width: 100%;
            height: 50px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: #999999;
            font-size: 12px;
            border-top: 1px solid #E5E5E5;
        }
        .category-item-atn{
           background:#FF7400;
        }
         .category-item-atn{
           background:#FF7400; color:#fff;
        }
     
         .category-item-atn:hover {
            background-color: #FF7400;color:#fff;
        }
        
        @media (max-width: 1440px){
            .product-area{
                    grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (max-width: 1200px){
             .product-list{
            width: 100%;margin-left: 0px;background: #fff;
        }
            .product-area{
                 width:100%;margin-left:0px;
                    grid-template-columns: repeat(3, 1fr);
            }
            .category-sidebar{
                display: none;
            }
            .shop-actions{
                align-items: center;
    flex-direction: column;
            }
            .service-btn{
                margin-right: 0px;margin-bottom: 10px;
            }
             .shopnodeta{
            width: 100%;margin-left: 0px;
        }
        }
        @media (max-width: 720px){
             .product-list{
            width: 100%;margin-left: 0px;background: #fff;
        }
            .product-area{
                width:100%;margin-left:0px;
                    grid-template-columns: repeat(2, 1fr);
            }
            .category-sidebar{
                display: none;
            }
            .shopnodeta{
            width: 100%;
            margin-left: 0px;
        }
        }