*{
    padding: 0;
    margin: 0;
  }
  body{
    padding: 0;
    overflow: hidden;
  }
  html {
    overflow-y: scroll;
  }
  .head{
    padding: 0px;
    margin: 0px;
  }
  .bg_img{
    width: 100%;
  }
  .head a{
    display: block;
    margin-left: 20px;
    position: absolute;
    top: 10px;
    z-index: 999;
  }
  .head a>img{
    width: 70%;
  }
  .list_ul li{
    list-style: none;
    height: 40px;
    padding-top: 3px;
    padding-bottom: 3px;
  }
  .list_ul li>a{
    display: block;
    border-radius: 5px;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 35px;
    font-size: 14px;
    background-color: #F21111;
    color: white;
    font-weight: bold;
  }