.banner {
  width: 100%;
  height: 586px;
  position: relative;
}
.banner .bd {
  width: 100%;
}
.banner .hd {
  height: 15px;
  overflow: hidden;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 42px;
  z-index: 1;
}
.banner .hd ul {
  overflow: hidden;
  zoom: 1;
  float: left;
}
.banner .hd ul li {
  position: relative;
  float: left;
  margin-right: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  line-height: 14px;
  text-align: center;
  background: #9e9e9e;
  cursor: pointer;
}

.banner .hd ul li.on {
  width: 72px;
  height: 12px;
  background: #0070c0;
  border-radius: 12px;
  color: #fff;
}

.banner img {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.banner li {
}