#hd_w{
  position: relative;
  overflow: hidden;
  height: 11rem;
}
#hd_d{
  position: absolute;
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  transition:left .4s;
}
#hd_d img{
  width: 100%;

}
#hd_dot{
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  position: absolute;
  bottom:5px;
  left:50%;
  transform: translateX(-50%);
}
#hd_dot li{
  width: 6px;
  height: 6px;
  border-radius:50%;
  background: rgba(255,255,255,.5);
  margin-left: 5px;
  box-sizing: border-box;
}
#hd_dot li.active{
  /*border:1px solid #00aa8f;*/
  background: #00aa8f;
}
#hd_dot li:first-child{
  margin: 0;
}