/* Latop Device :1200px. */

@media (min-width: 1200px) and (max-width: 1500px) {
   
}
@media (min-width: 992px) and (max-width: 1199px) {
   .parHd li{
      width: 160px !important;
      margin: 0 20px !important;
      font-size: 24px !important;
   }
}
@media (min-width: 768px) and (max-width: 991px) {
   #youdaoBanner .swiper-slide{
      /* width: 100vw; */
      box-sizing: border-box;
   }
   #youdaoBanner .bg .black-mask{
      width: 100%;
   }
   .container .xdtop a{
      display: inline-flex;
      width: 100%;
  }
   .oneright{
      width: calc(100% - 140px);
   }
   #showdiv .container{
      max-width: 768px;
      box-sizing: border-box;
   }
   .parHd li{
      width: 145px !important;
      margin: 0 !important;
      font-size: 20px !important;
   }
}
/* small mobile (XS) :320px. */
@media only screen and (min-width: 576px) and (max-width: 767px) {
   #youdaoBanner .swiper-slide{
      /* width: 100vw; */
      box-sizing: border-box;
   }
   #youdaoBanner .bg .black-mask{
      width: 100%;
   }
   .container .xdtop a{
      display: inline-flex;
      width: 100%;
  }
   .oneright{
      width: calc(100% - 140px);
   }
   .floauimg {
      width: 500px !important;
      height: 40vw !important;
   }
   .severdiv #tabul>li{
      width: calc((100% - 20px) / 3);
      height: 40px;
      line-height: 40px;
      font-size: 14px;
      margin-right: 10px;
   }
   #showdiv .container{
      max-width: 576px;
      box-sizing: border-box;
   }
   .parHd li{
      width: 110px !important;
      height: 50px !important;
      line-height: 50px !important;
      margin: 0 !important;
      font-size: 18px !important;
   }
   /* .topbanner . */
   .welingg{
      max-width: 540px !important;
   }
}
@media (min-width: 361px) and (max-width: 575px) {
   .logoimg, .logoimg_2{
      height: auto !important;
  }
  
   #youdaoBanner .swiper-slide{
      /* width: 100vw; */
      box-sizing: border-box;
   }
   #youdaoBanner .bg .black-mask{
      width: 100%;
   }
   .container .xdtop a{
      display: inline-flex;
      flex-wrap: wrap;
      width: 100%;
  }
   .oneright{
      width: calc(100vw - 250px);
   }
   .floauimg {
      width: 100% !important;
      height: auto !important;
   }
   .severdiv #tabul>li{
      width: calc((100% - 20px) / 3);
      height: 40px;
      line-height: 40px;
      font-size: 12px;
      margin-right: 10px;
   }
   #showdiv .container{
      max-width: 100%;
      box-sizing: border-box;
   }
   .parHd li{
      width: calc(100vw / 6) !important;
      height: 40px !important;
      line-height: 40px !important;
      margin: 0 !important;
      font-size: 14px !important;
   }
}

@media (max-width: 360px) {
   .logoimg, .logoimg_2{
      height: auto !important;
   }
   #youdaoBanner .swiper-slide{
      /* width: 100vw; */
      box-sizing: border-box;
   }
   #youdaoBanner .bg .black-mask{
      width: 100%;
   }
   .container .xdtop{
      height: auto;
   }
   
   .container .xdtop a{
      display: inline-flex;
      flex-wrap: wrap;
      width: 100%;
  }
  .oneleft{
      display: inline-block;
      margin: auto;
      margin-bottom: 10px;
   }
   .oneright{
      width: 100%;
   }
   .floauimg {
      width: 100% !important;
      height: auto !important;
   }
   .severdiv #tabul>li{
      width: calc((100% - 10px) / 3);
      height: 40px;
      line-height: 40px;
      font-size: 12px;
      margin-right: 5px;
   }
   #showdiv .container{
      max-width: 100%;
      box-sizing: border-box;
   }
   .parHd li{
      width: calc(100vw / 6) !important;
      height: 40px !important;
      line-height: 40px !important;
      margin: 0 !important;
      font-size: 12px !important;
   }
   .welingg{
      max-width: calc(100% - 30px) !important;
   }
}