*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}

/* banner */
.banner{height:342px;overflow:hidden;}
.banner .d1{width:100%;height:342px;display:block;position:absolute;left:0px;}
.banner .d2{width:100%;height:30px;clear:both;position:absolute;z-index:100;left:0px;bottom:420px;}
.banner .d2 ul{float:left;position:absolute;left:50%;top:0;margin:0 0 0 -35px;display:inline;}
.banner .d2 li{width:17px;height:15px;overflow:hidden;cursor:pointer;background:url(../images/img1.png) no-repeat center;float:left;margin:0 3px;display:inline;}
.banner .d2 li.nuw{background:url(../images/img1_1.png) no-repeat center;}