.cle{ clear:both;}
.banner{ width:706px; height:305px; position:absolute; top:0px;}
.yh{ width:760px; position:relative; }
.fl{ float:left; display:inline;}
.yh ul.navi{ position:absolute; top:300px; left:300px; padding-left:5px; z-index:8;}
.yh ul.navi li{ background:url(https://www.guet.edu.cn/dept1/images/banner1_03.png) no-repeat; width:26px; height:26px; overflow:hidden; margin-right:3px; cursor:pointer;}
.yh ul.navi li.hover{ background-position:0 -26px;}
ul.lifl li{ float:left;}
.scroll{ position:relative; overflow:hidden;}
.scroll ul{ position:absolute; width:20000em;}
.scroll ul li{ float:left;}
.b1{ height:390px; position:relative; left:0px; width:1120px;}