.private-swiper-container {
  width: 1000px;
}
/*
.private-swiper-container .private-swiper-container-body {
  width: 1000px;
  position: relative;
  height: 180px;
}

.private-swiper-container-item {
  width: 240px;
  height: 135px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.private-swiper-container-item .private-swiper-container-item-mask {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
}
*/
.private-swiper-container-item .case_info {
  background: #212325;
  position: absolute;
  width: 100%;
  height: 00%;
  height: 50px;
  line-height: 50px;
  bottom: -50px;
  z-index: 3;
  text-align: center;
}

.private-swiper-container-item:hover .case_info {
  background: #000;
  bottom: 0px;
}

.case_info span{
    color: #fff;
    
}