@media screen and (max-width: 768px){
  .main{
    padding-top: 39px;
    box-sizing: border-box;
  }
  .main .menu{
    width: 100%;
  }
  .main .menu .title{
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 21px;
  }

  .main .menu_list li{
    width: 100%;
    border-bottom: 1px solid #eee;
  }
 
  .main .menu_list li>a{
    float: left;
    width: 50%;
    height: 100%;
    font-size: 13px;
    font-weight: bold;
    color: #333;
    text-align: center;
    border-right: 1px solid #eee;
    box-sizing: border-box;
    padding-bottom: 30px;
  }
  .main .menu_list .icon{
    display: block;
    font-size: 30px;
    color: #333;
    margin-bottom: 16px;
    font-weight: normal;
    margin-top: 30px;
  }
  .main .menu_list>span{
    margin-bottom: 30px;
  }
}