.zhenshi.teacheritem {
    position: relative;
    overflow: hidden;
  }
  
  .zhenshi.teacheritem::after {
 content: '';
 position: absolute;
 left: -3px;
 top: -3px;
 background: url(../images/zjiao.png) no-repeat left top;
 width: 198px;
 height: 198px;
 z-index: 2;
  }
 .zhenshi .text{
 border-bottom: 3px #f30000 solid;
  }
  .teacherMoreico.zhen{
      position: absolute;
      text-align: center;
      background: url(../images/nys/ico04-2.png) no-repeat 30px 120px;
      background-size: 52px 10px;
      width: 140px;
      height: 140px;
      right: 0;
      bottom: 0;
      display: flex;
      justify-content: flex-end;
      align-items: flex-end;
  }
  .teacherMoreico.zhen img{
    width: 43px;
    height: 42px; 
    margin-bottom: 25px;
    margin-right: 25px;

}
  .teacherMoreico.zhen:after{
      content: '';
      position: absolute;
      width: 0;
      height: 0;
      border-right: 70px #f30000 solid;
      border-bottom: 70px #f30000 solid;
      border-top: 70px transparent solid;
      border-left: 70px transparent solid;
      right: 0px;
      bottom: 0px;
      z-index: -1;
  }
  .zhenshi.teacheritem .text:hover .teacherMoreico.zhen:after{
    border-right: 70px transparent solid;
    border-bottom: 70px transparent solid;
  }
    /* .zhenshi.teacheritem:hover .teacherMoreico.zhen img{
    opacity: 0.4;
  } */
  .zhenshi.teacheritem .text:hover .teacherMoreico.zhen{
    background: url(../images/nys/ico04-2.png) no-repeat 30px 120px;
 opacity: 0.4;
  }