.nav_n ul{ width:970px; height:30px; line-height:30px; margin:0px; padding:0px; list-style:none;}
.nav_n ul li{ width:125px; height:30px; line-height:30px; float:left; text-align:center;}
.nav_n ul li a{ display:block;width:125px; height:30px; line-height:30px; font-size:14px;}
.nav_n ul li a:hover{ background:#095095; color:#fff;}
#sddm
{	
	padding: 0;
	z-index: 300;
	width: 970px;
	height:30px; line-height:30px; margin:0px;}

#sddm li
{	 width:125px; height:30px; line-height:30px; float:left; text-align:center;
	}

#sddm li a
{ display:block;width:125px; height:30px; line-height:30px; font-size:14px; background:url(../images/38.jpg) right center no-repeat;  }

#sddm li a:hover
{	 color:#fff; background:url(../images/39.jpg) right center no-repeat;background:#095095;  }
#sddm div
{	position: absolute;
	visibility: hidden;
	margin: 0;
	padding: 0;
	background: #c0c0c0;
	 z-index:400; font-weight:normal; filter:alpha(opacity=80); /*IE滤镜，透明度50%*/-moz-opacity:0.8; /*Firefox私有，透明度50%*/opacity:0.8; color:#fff;}

	#sddm div a
	{	position: relative;
		display: block;
		margin: 0;
		padding: 3px 15px 3px 15px;
		width:95px;
		white-space: nowrap;
		text-align: center;
		text-decoration: none;
		background: #c0c0c0; border-bottom:1px solid #588cbb;
		
		font: 13px; font-weight:normal;  color: #fff;}

	#sddm div a:hover
	{	background: #49A3FF;
		color: #FFF}