body {
		 font-family: arial, , serif;
		 font-size:12px;
		 margin:0;padding:0;
		 border:0px;
		}
		 li{
		 border:0;
		 margin:0;padding:0;
		}
		 ul{
		 border:0;
		 margin:0;padding:0;
		}
		#nav-1{
		  line-height:32px;
		  list-style-type:none;
		}
		#ok{
		  background-image:url(../images/nav_bg.jpg);
		  height:35px;
		  width:978px;
		}
		#nav-1 a{
		  display:block;
		  width:83px;
		  text-align:center;
		  padding-top:3px;
		  font-family:"宋体";
		  font-size:13px;
		}
		#nav-1 a:link{
		 color:#FFF;
		 text-decoration:none;
		 font-family:"宋体";
		 font-size:13px;

		}
		#nav-1 a:visited  {
		 color:#FFF;text-decoration:none;
		 font-family:"宋体";
		 font-size:13px;

		}
		#nav-1 a:hover  {
		 color:#FF0;text-decoration:none; font-weight:bold;
		 font-family:"宋体";
		 font-size:13px;
		}
		#nav-1 li {
		 float: left; width: auto;
		 z-index: 9999;
		}
		#nav-1 li ul{
		  position:absolute;
		  line-height:25px;
		  list-style-type:none;
		  text-align:left;
		  left:-999em;
		  width:100px; 
		  background:#FFF;
		  z-index: 9999;
		}
		#nav-1 li ul li{
		 float:left;
		 width:100px;
		 background:#239dd8;
		 line-height:20px;
		 margin-top:1px;
		}
		#nav-1 li ul li a{
		  display:block;
		  width:76px !important;
		  width:80px;
		  padding-left:24px;
		  text-align:left;
		}
		#nav-1 li ul a:link  {
       color:#FFF; text-decoration:none;
		}
		#nav-1 li ul a:visited  {
			 color:#FFF;text-decoration:none;
		}
	  #nav-1 li ul a:hover  {
			 color:#FF0;text-decoration:none;font-weight:normal;
			 background:#f00;
	  }
		#nav-1 li:hover ul {
      left: auto;
		}
		#nav-1 li.sfhover ul {
		 left: auto;
		}
		
		a.fourth table,a.third table,a.second table,a.first table{
		  display:none;
		}
		a.fourth table a:visited,a.third table a:visited,a.second table a:visited,a.first table a:visited{
		  color:#000;text-decoration:none;
		}
		a.fourth table a:link,a.third table a:link,a.second table a:link,a.first table a:link{
		  color:#000;text-decoration:none;
		}
		a.fourth:hover table,a.third:hover table,a.second:hover table,a.first:hover table {
			  position:absolute; 
			  top:-1px; 
			  left:103px; 
			  border-collapse:collapse; 
			  color:#F3F3F3;
			  font-weight:normal;
			  display:block;
			  background:#C00;
			  font-size:12px;
   }
   a.second:hover table{
     top:47px;
   }
   a.third:hover table{
     top:95px;
   }
   a.fourth:hover table{
     top:143px;
   }