@media screen and (max-width: 575px) {
  .list-item-cate > ul > li {
    position: relative;
  }
  .list-item-cate > ul > li.active:before {
    content: '';
    position: absolute;
    right:  17px;
    top: 15px;
    display: block;
    width: 11px;
    height: 1px;
    background: #fff;
    z-index: 9999;

    }.list-item-cate > ul > li.active:after {
     content: '';
     position: absolute;
     top: 10px;
     right: 22px;
     display: block;
     width: 1px;
     height: 11px;
     background: #fff;
     z-index: 9999;
   }

   .list-item-cate > ul > li.active.active-item-cate:after {
    display: none;
  }

  .active-item-cate .content-item-cate {
    width: 100%;
  }
  .cate_lv1 > li {
    width: 100%;
  }
}