.index_focus{position:relative;width:100%;height:680px;margin:0 auto;overflow:hidden;text-align:center}
.index_focus .bd li{display:none;position:absolute;width:100%;height:680px;left:0;top:0;background-position: center;background-repeat: no-repeat;}
.index_focus_post{z-index:10}
.index_focus .pic{height:auto;display:block}
.index_focus .pic:hover{text-decoration:none}
.index_focus .slide_nav{position:absolute;left:45%;bottom:2%}
.index_focus .slide_nav a{cursor:pointer;float:left;font-size:28px;font-family:arial;color:#fff;padding:5px}
.index_focus .slide_nav li:hover,.index_focus .slide_nav .on{text-decoration:none;color:#ff0000;filter:alpha(opacity=80);opacity:0.8}
.index_focus_pre,.index_focus_next{display:none;position:absolute;top:50%;margin-top:-36px;width:72px;height:72px;text-indent:100%;white-space:nowrap;overflow:hidden;z-index:10;background:url(../ban/ico_sliding.png) no-repeat}
.index_focus_pre{left:30px;background-position:0 0}
.index_focus_pre:hover{background-position:0 -144px}
.index_focus_next{right:30px;background-position:0 -72px}
.index_focus_next:hover{background-position:0 -216px}
/* .banbg1{background:url(1.jpg) center no-repeat}
.banbg2{background:url(2.jpg) center no-repeat}
.banbg3{background:url(3.jpg) center no-repeat}
.banbg4{background:url(4.jpg) center no-repeat}
.banbg5{background:url(5.jpg) center no-repeat}
.enbanbg1{background:url(en1.jpg) center no-repeat}
.enbanbg2{background:url(en2.jpg) center no-repeat}
.enbanbg3{background:url(en3.jpg) center no-repeat}
.enbanbg4{background:url(en4.jpg) center no-repeat}
.enbanbg5{background:url(en5.jpg) center no-repeat} */