.banner{position:relative;height:508px;overflow:hidden;width:100%;margin-top:-5px;}
.banner .show {width:1920px;position:absolute;left:50%;top:0px;margin-left:-960px;height:490px;overflow:hidden;}
.banner .show ul {position:relative;height:490px;overflow:hidden;width:1920px;float:left;}
.banner .show ul li {text-align:center;width:1920px;float:left;height:490px;position:absolute;display:none}
.banner .wrapper {position:absolute;bottom:0;width:1000px;left:50%;margin-left:-500px;text-align:center;}
.banner .focus {float:right;}
.banner .focus a {display:inline-block;float: left;width:30px;border-bottom:2px solid #c1c1c1;height:16px;margin-left:10px;height: 7px;}
.banner .focus a.on {height:14px;border-bottom:4px solid #d43037;height: 5px;}