.about-content{
  padding-bottom:0;
}

.list_content{
  width: 100%;
  margin: 0 auto;
  color:#fff;
  background: #fff;
}

.video_main {

  width: 100%;
  
  margin-left: auto;
  margin-right: auto;
  padding: .8rem 0 1.2rem;
  position: relative;
 
}

.video_main .row {
  margin-left: -23px !important;
  margin-right: -23px !important;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch
}

.video_main .row>* {
  /* padding-left: 23px !important;
  padding-right: 23px !important; */
  margin-bottom: 26px
}

.video_main .row::before {
  display: none
}
@media (min-width:993px) {
  .coverbox.scale:hover .cover-tip {
      opacity: 1;
      filter: alpha(opacity=1)
  }

  .coverbox.scale:hover .coverimg {
      transform: scale(1.05, 1.05)
  }

  .coverbox.scale:hover .icon-bofang1 {
      font-size: .6rem
  }
}

img{max-width: 100%; max-height: 100%;}

@media (max-width:768px) {
  .video_main .row {
      margin-left: -0.13rem !important;
      margin-right: -0.13rem !important
  }

  .video_main .row>* {
      padding-left: .13rem !important;
      padding-right: .13rem !important;
      margin-bottom: .26rem
  }
}

.video_main .inner {
  background: #fff;
  height: 100%;
  transition: .6s;
  position: relative
}

.video_main .inner::after {
  content: '';
  display: block;
  position: absolute;
  width: 0;
  height: 1px;
  background-color: #65d136;
  left: 0;
  bottom: 0;
  transition: .6s
}

.video_main .inner:hover::after {
  width: 100%
}

.video_main .inner .icon-bofang {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  z-index: 5;
  color: #fff;
  font-size: .5rem
}

.video_main .inner .tit {
  font-size: 18px;
  line-height: 1.76;
  padding: .2rem;
  color: #333;
  text-align: center;
}

@media (max-width:1200px) {
  .video_main .inner .tit {
      font-size: 16px
  }
}

@media (max-width:768px) {
  .video_main .inner .tit {
      font-size: 15px;
  }
}