.con .learning_top {
  width: 100%;
}
.con .swiper_dl_con .list_top .div_icon {
  width: 100%;
  height: 0;
  padding-top: 53%;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.con .swiper_dl_con .list_top .div_icon:hover img {
  transform: scale(1.05);
}
.con .swiper_dl_con .list_top .div_icon img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  object-fit: cover;
  transition: all 0.3s linear;
}
.con .swiper_dl_con .con_list {
  padding: 0;
  background: transparent;
}