a:link,a:visited{text-decoration:none;}
a:hover,a:active{text-decoration:underline;}
body{margin:0; padding:0;}
img{border:none;}
ul,li{padding:0;margin:0;list-style:none; overflow:visible; }


.mainbanner{width:100%;height:439px;overflow:hidden;position:relative;clear:both;overflow:hidden;}
.mainbanner_window{width:2000px;margin-left:-1000px;position:absolute;left:50%;height:439px;background-color:#666;overflow:hidden;}
.mainbanner_window ul{width:999999px;height:439px;position:relative;}
.mainbanner_window li{width:2000px;height:439px;background:#cccccc;text-align:center;font-size:0;float:left;display:inline;}
.mainbanner_list{width:500px;height:30px;position:absolute;left:50%;top:390px;margin-left:-75px;}
.mainbanner_list li{float:left;display:inline;width:30px;height:30px;overflow:hidden;}
.mainbanner_list a{float:left;display:inline;background: url(../images/ff.png) 0 0;width:24px;height:27px;overflow:hidden;font-size:12px;font-weight:700;color:#fff;text-align:center;line-height:25px;}
.mainbanner_list li.active a,.mainbanner_list li a:hover{background-position:0 -30px;text-decoration:none;}