/*case*/
.case-3 li{width:100%;margin-left:0;}
.case-3 li span{margin-top:10px;margin-bottom:10px;}
#case-6{display:none;}
.case-nav{left: auto;right: 1px;width: 30px;}
.case-nav li span{display: none;}
.case-nav>a>span{display: none;}