body,div,ul,li{margin:0;padding:0;}
ul{list-style:none;}
img{border:0;}

.banner2{margin:60px auto 150px;width:985px;}
.large_box{margin-bottom:10px;width:985px;height:548px;overflow:hidden; box-sizing:border-box; border:1px solid #cccccc; padding:2px}
.large_box img{display:block;}
.small_box{width:985px;height:133px; position:relative}
.small_list{position:relative;float:left;width:985px;height:133px;overflow:hidden;}
.small_list ul{height:133px;overflow:hidden;}
.small_list ul li{position:relative;float:left;margin-right:17px;width:183px; text-align:center}
.small_list ul li img{display:block;}
.small_list ul li .bun_bg{display:none;position:absolute;top:0;left:0;width:183px;height:102px; box-sizing:border-box; border:2px solid #6bb031}
.small_list ul li.on .bun_bg{display:block;}
.btn{display:block;width:57px;height:57px;background-repeat:no-repeat;background-position:center center;cursor:pointer;}
.small_list ul li p{ padding-top:10px}
.left_btn{ background:url(prev.png); position:absolute; left:-90px; top:20px}
.right_btn{ background:url(next.png); position:absolute; right:-90px; top:20px}