.bannerbox{height:650px;width:100%;overflow:hidden; position:relative;}
.bannerbox ul{position:relative; text-align:center;}
.bannerbox ul li{list-style:none;width:100%; height:650px;position:absolute;left:0;top:0;}
.bannerbox ul li.fst-li{background:url("../images/1.jpg") center no-repeat;background-size:cover;}
.bannerbox ul li.sec-li{background:url("../images/2.jpg") center no-repeat;background-size:cover;}
.bannerbox ul li.thd-li{background:url("../images/3.jpg") center no-repeat;background-size:cover;}
.bannerbox ul li.frh-li{background:url("../images/4.jpg") center no-repeat;background-size:cover;}
.bannerbox ul li.fih-li{background:url("../images/5.jpg") center no-repeat;background-size:cover;}
.bannerbox ul li .img1{position:absolute;}
.containt-div{width:1200px; position:relative; height:650px; clear:both; margin:auto;}

.banner-01-a{top:150px; left:33%; position:absolute; filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity:0; opacity:0;}
.banner-01-b{top:300px; left:10%; position:absolute; filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity:0; opacity:0;}
.banner-02-a{bottom:100px; left:5%; position:absolute; filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity:0; opacity:0; }
.banner-03-a{top:280px; left:13%; position:absolute; filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity:0; opacity:0;}
.banner-04-a{bottom:100px; left:5%; position:absolute; filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity:0; opacity:0; }
.banner-05-a{top:280px; left:13%; position:absolute; filter:alpha(opacity=0); -moz-opacity:0; -khtml-opacity:0; opacity:0;}

.nav{width:150px;height:15px;position:absolute;bottom:20px;right:20px;z-index:2; left:50%;margin-left:-50px}
.nav dl dd{list-style-type:none;width:15px;height:15px;float:left;margin-right:5px;cursor:pointer;border:1px solid #ddd;}
.nav dl .bg{background:#024481;width:17px;height:17px;border:none;}