.con,.page{width:953px}.page{height:1300px;margin:0 auto}.n1,.n2,.n3{background-image:url(http://img.37wan.cn/jzjh/image/nav.png?t=20180309114655432);margin-bottom:10px;background-repeat:no-repeat}.con{height:950px;margin-top:10px;position:relative}.n1{background-position:-1px -1px}.n2{background-position:-1px -54px}.n3{background-position:-1px -107px}.n1:hover,.n2:hover,.n3:hover,.n4{background-image:url(http://img.37wan.cn/jzjh/image/navh.png?t=20180309114655432)}.n4{background-repeat:no-repeat;background-position:-1px -160px}.content{width:861px;height:950px;position:absolute;top:0;left:92px;border:2px solid #d3d5d2;border-radius:8px;padding:15px}