.videolist {
    overflow: hidden;
  }
  .videolist ul {
    margin-left: -10px;
    margin-right: -10px;
  }
  .videolist ul li {
    float: left;
    width: 25%;
  
    padding: 0 10px 20px 10px;
  }
  .videolist li .img {
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    position: relative;
  }
  .videolist li .img .pic {
    display: block;
    width: 100%;
    position: relative;
  }
  
  .videolist li .img .play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    z-index: 1;
  }
  
  .videolist li .img .pic {
    display: block;
    width: 100%;
    object-fit: cover;
    min-height: 100%;
    transition: all 0.5s;
    height:236px;
  }
  .videolist li:hover .img .pic {
    transform: scale(1.1);
    translate: transform 1s;
  }
  .videolist .txt {
    border: 1px solid #e1e1e1;
    padding-left: 30px;
    padding-right: 30px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  
  .videolist .txt .line {
    display: inline-block;
    height: 2px;
    width: 20px;
    margin-right: 5px;
    background-color: #e30f1f;
    vertical-align: middle;
  }
  .videolist .txt .type {
    vertical-align: middle;
  }
  .videolist .txt span {
    color: #e30f1f;
  }
  .videolist .txt h3 {
    font-size: 24px;
    margin-top: 10px;
    margin-bottom: 10px;
  }
  .videolist .txt>p{
    margin-bottom: 10px;
  }
  .videolist .txt>p i{
    color: #e30f1f;
  }
  .videolist .info {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    padding: 20px 0;
    border-top: 1px solid #e1e1e1;
    
  }
  
  .videolist .info .li {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    -webkit-flex: 1;
    flex: 1;
    min-width: 0;
    text-align: center;
    position: relative;
  }
  
 
  
  .videolist .info .li:before {
    content: "";
    display: block;
    width: 1px;
    background-color: #cfcfcf;
    height: 28px;
    position: absolute;
    z-index: 2;
    right: 0;
    top: 50%;
    margin-top: -14px;
  }
  
  .videolist .info .li:last-child:before {
    display: none;
  }
  
  .videolist .info .pt {
    font-size: 14px;
    color: #666;
  }
  
  .videolist .info .pb {
    font-size: 20px;
    color: #333;
    font-weight: bold;
  }

  @media (max-width: 766px) {
    .lanmumain{
        margin-top: 30px;
    }
  }
 

  @media (max-width: 766px) {

    .videolist ul li {
        width: 100%;
      }


  }<!--ºÄʱ1764440002.225Ãë-->