.layout .tab{
    	width:70%;
      float:left;
    }
    .cebian{
    	float:left;
      width: 20%;
    	margin-right: 2%;
      height:1000px;
    }
    .cedaohang{
      width: 100%;
    	height: auto;
    	background: #f2f2f2;
    }
    .ceul{
    	padding:0;
    }
    .ceul li{
    	list-style:none;
      line-height:33px;
    }
    .ceul li{
      border-bottom:1px solid #ccc;
    }
    .ceul.ull1 li:hover{
    	background:#138df2;
    }
    .ceul li:hover a{
    	color:#fff;
    }
    .ceul li a{
      font-size: 15px;
      padding-left:1.3em;
    }
    .ceul li span{
      font-size: 15px;
      padding-left:1.3em;
    }
    .ceul li a span{
    	float:right;
      margin-right:10px;
      font-size: 16px;
    }
    @media screen and (max-width: 768px) {
       .cebian{
          display:none;
      }
      .layout .tab{
    	width:100%;
       float:none;
    }
    }
    
     @media screen and (min-width: 768px) {
       .proitem {
          height: 350px;
      }
    }