.header-nav-list {
  display: flex;
}
    .nav-wrap-box{
      display:none;
      position: absolute;
      top:60px;
      left: 0;
      right: 0;
      z-index: 1000;
      border: 1px solid #F4F4F4;
      box-shadow: 0px 8px 20px 0px rgba(0, 0, 0, 0.1)
    }
    .nav-wrap  {
       display:flex;
       min-height: 472px;
       max-height: 700px;
    }

    .nav-list {
      position: relative;
      flex: none;
      width: 272px;
      background: #f7f9fe;
      padding: 32px 0;
      box-sizing: border-box;
      &::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        /* width: 1px;
        height: 100%; */
        /* background: #f4f4f4; */
        background: url(/static/images/header_nav_slide_left_bg.png) no-repeat right bottom;
        background-size: 100%;
      }

    }
   .nav-list .category-item {
      position: relative;
      display:flex;
      align-items: center;
      height: 38px;
      font-weight: 400;
      font-size: 14px;
      color: #151515;
      cursor: pointer;
      padding: 0 50px 40px 50px;
      box-sizing: border-box;
      margin-bottom: 4px;
      z-index: 1;
    }

    .category-item-title {
      height: 38px;
      line-height: 38px;
      box-sizing: border-box;
      position: relative;
    }

    .category-item-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      border-radius: 1px;
      background-color: #D81018;
      transition: width 0.3s ease;
      /* 宽度变化的过渡动画 */
      transform: translateX(0);
    }
    .nav-list .category-item-active {
      color: #D81018;
      font-weight: bold;
    }

    .nav-list .category-item-active .category-item-title::after {
      width: 100% ;
    }

    .category-content {
      flex: 1;
      padding: 34px 40px;
      overflow: hidden;
      overflow-y: auto;
      background:#fff;
    }
    .industry-content {
      background:#fff;
      --column-count: 4;
      flex: 1;
      padding: 0px 40px 34px 40px;
      overflow: hidden;
      overflow-y: auto;
    }
    .industry-content .search-wrap{
      position: relative;
    }
    .search-wrap .case-result-dropdown-wrap {
        display: none;
        /* min-width: 240px; */
        /* width: 900px; */
        width: 486px;
        position: absolute;
        top: 50px;
        left: 0;
        z-index: 2001;
        /* border: 1px solid #e4e7ed; */
        border-radius: 4px;
        background-color: #fff;
        box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
        box-sizing: border-box;
    }
    .search-wrap .scroll-view {
        overflow: hidden;
        position: relative;
    }
    .search-wrap .case-result-dropdown-list {
        /* overflow-y: scroll; */
        /* max-height: calc(34px * 8); */
        max-height: 286px;
        width: 100%;
        list-style: none;
        padding: 6px 0;
        margin: 0;
        box-sizing: border-box;
    }
    .search-wrap .scroll-y {
      overflow-y: scroll;
    }
    .search-wrap .case-result-dropdown-item {
        font-size: 14px;
        padding: 0 20px;
        position: relative;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        color: #151515;
        height: 34px;
        line-height: 34px;
        box-sizing: border-box;
        cursor: pointer;
        &:hover {
          background-color: #f5f7fa;
        }
    }
    .search-wrap .case-result-dropdown-item .dropdown-item-a {
        padding: 0;
        color: #151515;
    }
    .industry-content .search-content{
      width: 486px;
      height: 40px;
      display:flex;
      margin-top:24px;
      background: #FFFFFF;
      border-radius: 4px 4px 4px 4px;
      border: 1px solid #E8E8E8;
    }
    /* .industry-content .search-content  */
    .industry-content .search-content input{
       width:calc(100% - 16px);
       height:100%;
       border: none;
    }
     .search-content .icon-sousuo-wrap{
       width:40px;
       display:flex;
       align-items:center;
       justify-content: center;

    }
     .search-content .icon-sousuo-wrap .icon-sousuo{
       line-height:40px;
       font-size:16px;
    }
    .industry-item-content {
      column-count: 4;
      column-gap: 40px;
    }
    .close-btn{
      width: 15px;
      height: 14px;
      position: absolute;
      top: 34px;
      right: 20px;
      cursor: pointer;
    }

    .category-item-content {}

    .certificate-item {
      width: 360px;
      height: 254px;
      border-radius: 8px 8px 8px 8px;
      /* background-color: #F5F7F9; */
      margin-right: 32px;
      padding: 24px;
      box-sizing: border-box;
      background: url(/static/images/header_recomend_product_bg.png) no-repeat right bottom;
      background-size: 100%;
      box-shadow: 0px 4px 20px 0px rgba(0,0,0,0.1);
      border: 2px solid #FFFFFF;
    }
    .certificate-item .category-title{
      font-weight: 500;
      font-size: 18px;
      color: #151515;
      line-height: 22px;
      margin-bottom: 16px;
    }
    .page1 {
      display: flex;
    }
    .category-description .description-item{
      position: relative;
      font-weight: 400;
      font-size: 14px;
      color: #656565;
      line-height: 20px;
      padding-left: 29px;
      box-sizing: border-box;
      margin-bottom: 8px;
    }
    .category-description .description-item::after{
      content: '';
      position: absolute;
      left: 7px;
      top: 3px;
      width: 4px;
      height:  8px;
      border: solid #D81018;
      border-width: 2px 0px 0px 2px;
      display: inline-block;
      transform: rotate(218deg) ;
    }
   .category-content .application{
     display: flex;
     margin-top: 24px;
    }
   .category-content .application  .btn {
      all: initial;
      padding: 4px 16px;
      box-sizing: border-box;
      cursor: pointer;
      border-radius: 4px 4px 4px 4px;
      outline: none;
      transition: 0.2 all;
    }
    .category-content .application  .btn a,.category-content .application  .btn {
        font-size: 14px;
    }
   .category-content .application  .btn:active {
      transform: scale(0.98);

    }
   .category-content .application  .buy-btn {
      background: #D81018;
      color: #FFFFFF;
      margin-right: 12px;
    }
    .category-content .application  .buy-btn a {
      color: #FFFFFF !important;
    }
    .category-content .application   a {
      font-size: 14px;
    }
    .category-content .application   a:hover {
     color:#fff;
    }
   .category-content .application  .consulting-btn{
      background: #FFFFFF;
      color: #D81018;
      border: 1px solid #D81018;
    }
   .category-content .application  .consulting-btn a{
      color: #D81018;
    }
    .category-wrap{
      margin-bottom: 32px;
    }
    .category-wrap .category-title{
      font-weight: 500;
      font-size: 16px;
      color: #151515;
      line-height: 22px;
      margin-bottom: 6px;
    }
    .category-description{
        font-weight: 400;
        font-size: 14px;
        color: #959595;
        line-height: 20px;
    }

      .industry-classification{
        padding-top: 36px;
        overflow: hidden;
        -webkit-column-break-inside: avoid;    
        break-inside: avoid;
      }
      .industry-classification-title {
        font-weight: bold;
        font-size: 16px;
        color: #D81018;
        line-height: 22px;
        margin-bottom: 18px;
      }
      .industry-classification-item{
        font-weight: 400;
        font-size: 14px;
        color: #151515;
        line-height: 22px;
        margin-bottom: 12px;
      }
      .industry-classification-item:last-child{
        margin-bottom: 0;
      }
      .industry-classification-item .hot{
        width: 33px;
        height: 18px;
        border-radius: 4px 4px 4px 4px;
        border: 1px solid #F53F3F;
        padding: 0 4px;
        margin-left: 8px;
        box-sizing: border-box;
        font-weight: 400;
        font-size: 12px;
        color: #F53F3F;
        line-height: 18px;
      }

       .industry-content::-webkit-scrollbar,category-content::-webkit-scrollbar {
         display:none;
       }