.slider {
    position: relative;
    overflow: hidden;
    width: 100%;
  }
  .slideBox .hd {
    height: 10px;
    overflow: hidden;
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    z-index: 1;
  }
  .slideBox .hd ul {
    text-align: center;
    padding-top: 5px;
  }
  .slideBox .hd ul li {
    cursor: pointer;
    float: left;
    margin-right: 5px;
    width: 30px;
    height: 10px;
    line-height: 14px;
    text-align: center;
    background: #fff;
  }
  .slideBox .hd ul .on {
    background: #00a2ff;
    color: #fff;
  }
  .slideBox .bd {
    position: relative;
    z-index: 0;
  }
  .slideBox .bd li img {
    width: 100%;
    vertical-align: top;
  }