*{ margin:0; padding:0; list-style:none;}
img{ border:0;}

.ban{ width:800px; position:relative; overflow:hidden;}
.ban2{ float:left;width:700px; height:350px; position:relative; overflow:hidden;margin-left:20px;border:1px solid #ccc;}
.ban2 ul{ position:absolute;left:0; top:0;}
.ban2 ul li{ width:700px; height:350px;display:flex;align-items:center;justify-content: space-around;}
.ban2 img {max-width:650px;max-height:300px;}
.prev{ float:left; cursor:pointer;}


.min_pic{ float:left;width:60px;}
.num {float:left;width:120px;height:320px;position:relative;float:left;overflow:hidden;}
.num ul{position:absolute; left:0; top:0;}
.num ul li{ display:block;float:left;width:55px;height:55px;margin:3px;border:1px solid #ccc;display:flex;align-items:center;justify-content: space-around;}
.num ul li.on{ border:1px solid red; padding:0;}

.picfd {position:absolute;z-index:90;right:0;bottom:0;padding-right:10px;padding-bottom:10px;}

.prev_btn1{ width:60px; text-align:center; height:9px; margin-bottom:3px; cursor:pointer;float:left;}
.next_btn1{  width:60px; text-align:center; height:9px; margin-top:10px;cursor:pointer;float:left;}
.prev1{ position:absolute; top:150px; left:20px; width:28px; height:51px;z-index:9;cursor:pointer;}
.next1{ position:absolute; top:150px; right:20px; width:28px; height:51px;z-index:9;cursor:pointer;}
.prev1d{ position:absolute; top:250px; left:20px; width:28px; height:51px;z-index:9;cursor:pointer;}
.next1d{ position:absolute; top:250px; 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:900px; height:500px; padding:10px; background:#fff; position:fixed; -position:absolute; left:20%; top:10%; display:none; z-index:99;}
.pop_up_xx{ width:40px; height:40px; position:absolute; top:-40px; right:0; cursor:pointer;}
.pop_up2{ width:900px; height:500px; position:relative; overflow:hidden; float:left;}
.pop_up2 ul{ position:absolute; left:0; top:0;}
.pop_up2 ul li{ width:900px; height:500px; float:left;display:flex;align-items:center;justify-content: space-around;}
.pop_up2 img {max-width:100%;max-height:100%;}