.article_right{
 float:none;
 width:100%;
  }
  .swiper-container.serswiper1{
 height: inherit;
  }
  .colnavs{
 margin-top:45px;
 border-bottom: 1px solid #ddd;
 display: flex;
  }
  .colnavs li{
 color: #666;
 margin: 0 5px;
 cursor: pointer;
 text-align: center;
 color: #666;
 font-size: 13px;
 border: 1px solid #dddddd;
 border-radius: 8px;
 line-height: 40px;
 display: block;
 float:left;
 width:230px;
 margin-bottom: 33px;
 position: relative;
  }
  .colnavs li:nth-child(3){font-size: 13px;}
  .colnavs li:after{
 width: 15px;
 height: 15px;
 content: '';
 border: 1px solid #ddd;
 background: #fff;
 border-radius: 50px;
 position: absolute;
 bottom: -43px;
 left:50%;
 transform: translateX(-50%);
  }
  .mainss{display:none;}
.mainss>a{display: block;text-align: center;}
  .selected{display: block !important;}
  #navBar li.active{
 border: 1px solid #265ca8!important;
 color: #265ca8!important;
  }
  #navBar li.active:after{background: #265ca8 !important;}
  .products{margin-top:20px;}

@media only screen and (max-width:768px){
 .colnavs li{
 width: 100%;
 margin: 0px;
 margin-bottom: 30px;
 }
 .colnavs li:after{
 bottom: -23px;
 }
 .mainss img{
 width: 100%;
 }
}