.box{width:100%; height: 546px;  margin:0 auto; position: relative; }
.boxin{ width: 100%; height:546px;overflow: hidden; position: relative; }
.box ul{width:500%; position: absolute; top:0; left:0;}
.box ul li{float: left;}
/*banner左右箭头*/
.left,.right{width:40px;height: 58px; position: absolute;top:247px; background: url("../img/icon/fh.png") no-repeat; z-index: 999;}
.left{ left:20px;}
.right{right:20px; background-position:right ;background: url("../img/icon/qj.png") no-repeat;}
/*banner轮播图样式*/
.boxin ul .hot_top_1 { width:20%;height:546px;background:url("../img/hot/pro_top_1.png") no-repeat center center;display: inline-block;}
.boxin ul .hot_top_2 { width:20%;height:546px;background: url("../img/hot/pro_top_2.png") no-repeat center center;display: inline-block;}
.boxin ul .hot_top_3 { width:20%;height:546px;background: url("../img/hot/pro_top_3.png") no-repeat center center;display: inline-block;}
.boxin ul .hot_top_4 { width:20%;height:546px;background: url("../img/hot/pro_top_4.png") no-repeat center center;display: inline-block;}