*{
    padding: 0;
    margin: 0;
    font-family:"Microsoft YaHei",微软雅黑;
  }
  a{
      text-decoration: none;
      color: #666;
      font-size: 14px;
  }
  .body {
    max-width: 1180px;
    /* border: 1px solid black; */
    margin: 0 auto;
    min-width: 1180px;
  }
  /* .body > * {
    margin-top: 20px;
  } */
  .Global-style {
    display: flex;
    justify-content: space-between;
  }
  .el-breadcrumb__separator{
    color: #666 !important;
  }
  .el-breadcrumb__inner {
    color: #666 !important;
  }
  .header-title{
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
  }
  .video {
    width: 270px;
    height: 200px;
    display: block;
    cursor: pointer;
  }
  .video-box{
    width: 270px;
    height: 200px;
  }
  .card-body-info{
    padding: 14px;
    height: 100px; 
    position: relative
  }
  .video-name{
    font-size: 16px;
    color: black;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;  
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical; 
  }
  .video-name:hover{
    color: #0d6ed9;
  }
  .video-des{
    margin-top: 5px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;  
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; 
  }

  .card-foot-info{
    display: flex;
    position: absolute;
    bottom: 10px;
    justify-content:space-between;
    font-size: 14px;
    color: #999;
   width: 90%;
}
.el-pagination{
    padding: 50px 0 !important;
    display: flex;
    justify-content: center;
}
.block{
  text-align: center;
  /* margin-top: 50px; */
}
.article-box{
  padding: 14px; 
  height: 150px; 
  position: relative;
  border: 1px solid #EBEEF5;
}
.online-classroom ul{
    width: 100%;
    grid-template-columns: repeat(auto-fill, 270px);
    display: grid;
    justify-content: space-between;
    flex-wrap: wrap;
}
.online-classroom ul li{
  list-style: none;
  width: 270px;
  float: left;
  display: flex;
  flex-direction: column;
  background-color: #FFF;
  overflow: hidden;
  color: #303133;
  -webkit-transition: .3s;
  transition: .3s;
  margin-bottom: 20px;
  box-sizing: border-box;
}
.online-classroom ul li a{
  text-decoration: none;
  width: 270px;
  color: #666;
  font-size: 14px;
  box-sizing: border-box;
}
.online-classroom-video-cover{
    width: 100%;
    height: 200px;
}
.online-classroom-video-cover img{
  width: 100%;
  height: 100%;
  display: block;
  cursor: pointer;
}
.article-title{
  font-weight: 600;
  font-size: 16px;
  color: black;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.article-title:hover{
  color: #0d6ed9;
}
.article-des{
  margin-top: 5px;
  overflow: hidden;
  text-overflow: ellipsis;  
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;  
}
.foot-info{
  display: flex;
  position: absolute;
  bottom: 10px;
  justify-content:space-between;
  font-size: 14px;
  color: #999;
 width: 90%;
}