.qdxw {width:100px;}
.qdxw a{color:#000;}
.qdxw ul li{width: 100px;height: 35px;line-height: 35px;text-align: center;position: relative;}   
.qdxw ul li:hover{background: ;}   
.qdxw ul{width: 100px;height: auto;list-style: none;}    
.qdxw ul .nav2{left: 0;margin-top:;margin-left:0px;margin-top:-25px;display: none;}      
.qdxw .nav1 .li1:hover ul.nav2{display: block;background:;}

.arrow {
	display: inline-block;
	vertical-align: middle;
	width: 0;
	height: 0;
	margin-left: 5px;
	opacity: 0.66;
}
		
.arrow.asc {
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	border-bottom: 4px solid #000;
}