.ban{ width:648px; height:600px; position:relative; overflow:hidden;margin:0px auto 0 auto;}
.ban2{ width:648px; height:500px; position:relative; overflow:hidden;}
.ban2 ul{ position:absolute; left:0; top:0;}
.ban2 ul li{ width:648px; height:500px;}
.prev{ float:left; cursor:pointer;}
.num{ height:82px;overflow:hidden; width:430px; position:relative;float:left;}
.min_pic{ padding-top:10px; width:500px;}
.num ul{ position:absolute; left:0; top:0;}
.num ul li{ width:80px; height:80px; margin-right:5px; padding:1px;}
.num ul li.on{ border:1px solid red; padding:0;}
.prev_btn1{ width:16px; text-align:center; height:18px; margin-top:40px; margin-right:20px; cursor:pointer; float:left;}
.next_btn1{  width:16px; text-align:center; height:18px; margin-top:40px;cursor:pointer;float:right;}
.prev1{ position:absolute; top:220px; left:20px; width:28px; height:51px;z-index:9;cursor:pointer;}
.next1{ position:absolute; top:220px; right:20px; width:28px; height:51px;z-index:9;cursor:pointer;}
.mhc{ background:#000; width:100%;opacity:0.5;-moz-opacity:0.5;filter:alpha(Opacity=50); position:absolute; left:0; top:0; display:none;}
.pop_up{ width:648px; height:550px; padding:10px; background:#fff; position:fixed; -position:absolute; left:44%; top:50%; margin-left:-255px; margin-top:-255px; display:none; z-index:99;}
.pop_up_xx{ width:40px; height:40px; position:absolute; top:-21px; right:-19px; cursor:pointer;z-index: 9999;}
.pop_up2{ width:648px; height:500px; position:relative; overflow:hidden;}
.pop_up2{ width:648px; height:550px; position:relative; overflow:hidden; float:left;}
.pop_up2 ul{ position:absolute; left:0; top:0;}
.pop_up2 ul li{ width:648px; height:550px;    overflow: hidden; float:left;  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  }
#ban_pic1 li{
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-webkit-box-pack: center;
	-ms-flex-pack: center;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-box-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
}