*{margin: 0;padding: 0;font-family: "MIcrosoft YaHei";}
a,ul,li,span{display: inline-block;}

.banner{width: 100%;}
.cont{width: 100%;}
.contmiddle{position: relative; float: left; left: 50%}
.linkall{position: relative; float: left; left: -50%;width: 100%;overflow: hidden;}
.link{width: 100%;overflow: center;}
.link5{width: 100%;overflow: center;}
.link2{width: 50%;float: left;}
.link3{width: 50%;float: right;}
.linkpic{width: 90%;margin: 0 5px;}
.cont div a{overflow: hidden;margin: 0 5px;}
.cont div a img{width: 100%;margin: 0 auto;}