.banner-box{ width:100%; height:800px; overflow:hidden; margin:auto auto; background-repeat:no-repeat; position:absolute; z-index:-1;}
.banner-box .bd{ width:100% !important;}
.banner-box .bd li{width:100% !important;height:800px;}
.banner-box .bd li a{display:block;background-size:auto; height:218px;}

.banner-btn{ width:100%; position:absolute; top:260px; z-index:999999;}
.banner-btn a{ display:block;width:49px; height:104px;position:absolute;z-index:99999999;top:0;filter:alpha(opacity=0);-moz-opacity:0;-khtml-opacity:0;opacity:0;}
.banner-btn a.prev{left:0px;background:url(/js/bans/foot.png) no-repeat 0 0;} 
.banner-btn a.next{right:0px;background:url(/js/bans/foot.png) no-repeat -49px 0;}

.banner-box .hd {position:absolute; top:390px; width:53%;}
.banner-box .hd ul { position:absolute; right:1px;}
.banner-box .hd ul li{width:20px; height:20px; border-radius :50%; text-indent:-9999px; margin-right:10px; float:left; cursor:pointer; background-image:url(/images/img/banner/na2.png);}
.banner-box .hd ul li.on{ background-image:url(/images/img/banner/na1.png);border-radius :50%;}