.dingwei { display:none;}
 @media screen and (max-width:768px) {
.dwnone{ width:auto; height:62px;} 
.dingwei{display:block; width: 100%;
  background: #3477EE;
  overflow: hidden;
  padding: 10px 0px;
  font-size: 12px;
  color: #fff;
  text-align: center;
  font-size: 12px;
  margin-top: -10px;
  position: fixed;
  z-index: 110;
  bottom: 0;
  left: 0; }
.dingwei ul li{ width:33.33%; height:3.5em; float:left; line-height:2em;}
.dingwei ul li a{ color:#fff; font-size:14px;}
.dingwei ul li img{ width:1.7em; height:1.7em; overflow:hidden; margin:0px auto; display:block;}}