.index_banner{position:relative;margin-bottom:20px;height:450px;}
.index_banner li{position:absolute;top:0;left:0;overflow:hidden;width:100%;height:450px;}
.index_banner li.first{background:url(../images/banner1.jpg) center top no-repeat;}
.index_banner li.second{background:url(../images/banner2.jpg) center top no-repeat;}
.index_banner li.third{background:url(../images/banner3.jpg) center top no-repeat;}
.index_banner li.fourth{background:url(../images/index_banner4.jpg) center top no-repeat;}
.index_banner li.fifth{background:url(../images/index_banner5.jpg) center top no-repeat;}
.index_banner li.sixth{background:url(../images/index_banner6.jpg) center top no-repeat;}
.index_banner li.seventh{background:url(../images/index_banner7.jpg) center top no-repeat;}
.index_banner li a{display:block;margin:0 auto;width:1000px;height:350px;}
.index_banner cite{position:absolute;bottom:10px;left:56%;z-index:999;display:block;margin-left:-144px;width:288px;height:15px;_display:none;}
.index_banner cite span{float:left;display:block;margin:0 4px;width:40px;height:8px;background-color:#e5e5e5;text-indent:-999em;opacity:.8;cursor:pointer;}
.index_banner cite span:hover{background-color:#f5f5f5;}
.index_banner cite span.cur{background-color:#003a8b;cursor:default;}