.banner-carousel{
  width: 100%;
  overflow: hidden;
  position: relative;
  top: 0;
  left: 0;
  /* 兼容ie不能flex */
  /* display: flex;
  flex-direction: column; */
  z-index: 10;
}
.carousel_imgs{
  position: relative;top: 0;left: 0;
  width: 100%;
  /* display: flex; */
  font-size: 0;
  z-index: 10;
}
.carousel_imgs li{
  width: 100%;
  float: left;
}
.carousel_imgs li a{
  font-size: 0;
  line-height:0;
  vertical-align: bottom;
}
.carousel_num{
  height: 16rem;
  /* align-self:center; */
  position: absolute;
  left: 50%;
  bottom: 30rem;
  z-index: 11;
  display: flex;
  list-style: none;
}
.carousel_num li{
  z-index: 3;
  width: 14rem;
  height: 14rem;
  margin-left: 15rem;
  margin-right: 15rem;
  background: #FFFFFF;
  opacity: 0.6;
  border-radius: 50%;
}
.carousel_next,.carousel_prev{
  position: absolute;
  width: 20%;
  height: 100%;
  z-index: 12;
  /* background-color: red; */
}
.carousel_next{
  left: 80%;
}
.carousel_prev:hover{
  background-image: linear-gradient(to left,rgba(0,0,0,.0001) 0,rgba(0,0,0,.5) 100%);
  
}
.carousel_next:hover{
  background-image: linear-gradient(to right,rgba(0,0,0,.0001) 0,rgba(0,0,0,.5) 100%);
}
.carousel_num_lis{
  background: #FF7012 !important;
  border: 1rem solid #FFFFFF !important;
  box-shadow: 0rem 3rem 8rem 0rem rgba(0,0,0,0.4900) !important;
  border-radius: 50% !important;
}