@media only screen and (max-width:768px) {
  .tu{
  	height: 3rem;
  	background: url(./banner_m.png);
  	background-size: contain;
  	font-size: .52rem;
  	color: white;
  	padding: 0.92rem 0 0 .24rem;
  }
  .container{
    width:100%;
    min-height: 6.97rem;
    height: auto;
  }
  .main{
    min-width: 100% !important;
  }
  .main-z{
    padding: .3rem .24rem !important;
  }
  .main-z ul li{
    width: 3.39rem;
    height: 2.81rem;
    margin: 0;
    border-radius: .08rem;
  }
  .main-z ul li a{
    width: 100% !important;
    height: 1.91rem !important;
  }
  .main-z ul li span{
    font-size: .3rem;
    width: 100%;
    margin: 0;
    height: .89rem;
    line-height: .89rem;
    text-align: left;
    padding: 0 .24rem;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
  }
}