.at_first_box li{
  width: 100%;
  float: left;
  overflow: hidden;
  display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 1;
  margin-right: 10px;
  height: 34px;
}
.at_first_box li:hover{
  display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
color:#d6000f;
line-height: 20px;
height: 60px;
}
.at_first_box .rt_at_img{
  display: none;
}
.at_first_box_hover .rt_at_img{
  display: block;
}
.rt_item .at_first_box_hover li{
  /*width: 160px;*/
  border-bottom: 1px dashed #fff;

}
.hot_icon{
  margin: 4px 10px 5px 0px;
  display: none;
  color: #d6000f;
}
.show{
  display: block;
}
.look_num{
  margin-left: 10px
}