.mainsys{  bottom:0; left:0; height:68px;width: 100%; min-width:1180px; text-align:center; background:url(images/black.5.png) repeat; background:rgba(12,32,55,.6); float:left; z-index:999999; position:absolute; top:532px; -webkit-transition:background-color .5s;-moz-transition:background-color .5s;-o-transition:background-color .5s;transition:background-color .5s}
.mainsys:hover{background:rgba(12,32,55,.95); zoom:1; min-width:1180px;}

.bn_nei{ height:315px; width:100%; min-width:1120px; text-align:center; }
.mainsys_n{ position:absolute; top:33px;bottom:0; left:0; height:68px;width: 100%; text-align:center; background:url(images/black.5.png) repeat; min-width:1120px; }
.mainsys_n:hover{background:rgba(12,32,55,.95); zoom:1}

.h_meau{ width:1120px; text-align:left; height:59px; margin:0 auto;}
#dhtopsys
{	margin: 0;
	padding: 0;
	z-index:100000;
	float:left;
	width:1120px;
	}
	
#dhtopsys ul{list-style:none;}
	#dhtopsys ul li
	{	float:left;
		list-style: none;
		width:112px;
		}

	#dhtopsys ul li a
	{	
		display:block;height:66px;color:#fff;font-size:16px;line-height:66px;
		font-family: "microsoft yahei";
		text-align:center;
		/*background: #324143;*/
		text-decoration: none;
		width:99px;

		
		}

	#dhtopsys ul li a:hover
	{
	color:#FFFFFF;
	border-bottom:#ff9000 2px solid;
	text-decoration:none;
	}
	#dhtopsys ul li a.current
	{
	background:url(images/dh_bg.png) center no-repeat;
	color:#FFFFFF;}
		
		#dhtopsys ul li ul
		{	margin: 0px;			
			padding: 0px;
			position: absolute;			
			visibility: hidden;
			z-index:100000;
			background:url(../images/nav_bg_di.png) bottom center no-repeat;
			padding-bottom:5px;
			}
		
			#dhtopsys ul li ul li
			{	float: none;
				display: inline;
				}
			
			#dhtopsys ul li ul li a
			{

			width:170px;
			height:40px;
			line-height:40px;
			text-align:left;
			padding-left:16px;
			color: #666666; 
			border-bottom: 1px solid #F5F5F5;
			background-color: #FFFFFF;
			}
			
			#dhtopsys ul li ul li a:hover
			{	
				color:#FFFFFF;
				background:#0A53B0;				
				border-bottom: 1px solid #f75a53;			
							
			}
			
#dhtopsys_n
{	margin: 0;
	padding: 0;
	z-index:100000;
	float:left;
	width:890px;
	}
	
#dhtopsys_n ul{list-style:none;}
	#dhtopsys_n li
	{	float:left;
		list-style: none;
		width:99px;
		}

	#dhtopsys_n li a
	{	
		display:block;height:66px;color:#fff;font-size:16px;line-height:66px;
		font-family: "microsoft yahei";
		text-align:center;
		/*background: #324143;*/
		text-decoration: none;
		width:99px;

		
		}

	#dhtopsys_n li a:hover
	{
	color:#FFFFFF;
	border-bottom:#ff9000 2px solid;
	text-decoration:none;
	}
	#dhtopsys_n li a.current
	{
	background:url(images/dh_bg.png) center no-repeat;
	color:#FFFFFF;}
		
		#dhtopsys_n li ul
		{	margin: 0px;			
			padding: 0px;
			position: absolute;			
			visibility: hidden;
			z-index:100000;
			background:url(../images/nav_bg_di.png) bottom center no-repeat;
			padding-bottom:5px;
			}
		
			#dhtopsys_n li ul li
			{	float: none;
				display: inline;
				}
			
			#dhtopsys_n li ul li a
			{

			width:170px;
			height:40px;
			line-height:40px;
			text-align:left;
			padding-left:16px;
			color: #666666; 
			border-bottom: 1px solid #F5F5F5;
			background-color: #FFFFFF;
			}
			
			#dhtopsys_n li ul li a:hover
			{	
				color:#FFFFFF;
				background:#0A53B0;				
				border-bottom: 1px solid #f75a53;			
							
			}
			
a.dhyy{ font-size:12px; color: #FFF;}
a.dhyy:link {   text-decoration: none; }
a.dhyy:visited { text-decoration: none; }
a.dhyy:active { text-decoration: none; }
a.dhyy:hover { color: #ff6600; text-decoration:none; }