.detail-video {

    padding-bottom: 30px;

    background: #fff;

    width: calc(25% - 20px);

    margin: 10px;

}

.anli_box{

      max-height: 736px;   

    overflow-y: auto;     

    overflow-x: hidden;

 

    scrollbar-width: thin;

    scrollbar-color: #c1c7cd #f1f3f4;

}

.anli_box::-webkit-scrollbar {

    width: 5px;         

  }

  .anli_box::-webkit-scrollbar-track {

    background: #f1f3f4;  

    border-radius: 4px;

  }

  .anli_box::-webkit-scrollbar-thumb {

    background: #c1c7cd;  

    border-radius: 4px;

  }

  .anli_box::-webkit-scrollbar-thumb:hover {

    background: #1270B7;  

  }

.anli_box .newstit b{

      display: block;



  white-space: nowrap;



  text-overflow: ellipsis;



  overflow: hidden;

}

.anli_box::-webkit-scrollbar-button {

  display: none;

  height: 0;

}







@media screen and (max-width:990px) {

.detail-video {

    padding-bottom: 30px;

    background: #fff;

    width: calc(50% - 20px);

    margin: 10px;

}

}
.submenu{ width: 240%;}
.product ul li span{ color: #fff;}
.submenusj{width: 140%;}