body{
	color:#696969;
	font:100%;
	font-family:Helvetica, sans-serif, Arial;
	background-color: #fff;
}
span.reference{
				position:fixed;
				left:10px;
				bottom:10px;
				font-size:12px;
			}
span.reference a{
				color:#aaa;
				text-transform:uppercase;
				text-decoration:none;
				text-shadow:1px 1px 1px #000;
				margin-right:30px;
			}
span.reference a:hover{
				color:#ddd;
			}
ul.sdt_menu{
				margin-top:100px;
			}
h1.title{
				text-indent:-9000px;
				background:transparent url(title.png) no-repeat top left;
				width:633px;
				height:15px;
			}
	
ul.sdt_menu{
	margin:0;
	padding:0;
	list-style: none;
	font-family:"微软雅黑","宋体",Arial, sans-serif;
	font-size:14px;
	width:960px;
}
ul.sdt_menu a{
	text-decoration:none;
	outline:none;
}
ul.sdt_menu li{
	float:left;
	width:120px;
	height:80px;
	position:relative;
	cursor:pointer;
	background-color: #060;
}
ul.sdt_menu li > a{
	position:absolute;
	top:0px;
	left:0px;
	width:120px;
	height:80px;
	z-index:12;
	background:transparent url(overlay.png) no-repeat bottom right;
	-moz-box-shadow:0px 0px 2px #000 inset;
	-webkit-box-shadow:0px 0px 2px #000 inset;
	box-shadow:0px 0px 2px #000 inset;
}
ul.sdt_menu li a img{
	border:none;
	position:absolute;
	width:0px;
	height:0px;
	bottom:0px;
	left:0px;
	z-index:9;
	-moz-box-shadow:0px 0px 4px #000;
	-webkit-box-shadow:0px 0px 4px #000;
	box-shadow:0px 0px 4px #000;
}
ul.sdt_menu li span.sdt_wrap{
	position:absolute;
	top:25px;
	left:0px;
	width:120px;
	height:80px;
	z-index:15;	
}
ul.sdt_menu li span.sdt_active{
	position:absolute;
	background:#111;
	top:80px;
	width:120px;
	height:0px;
	left:0px;
	z-index:14;
	filter: Alpha(Opacity=70, FinishOpacity=100, Style=0, StartX=120, StartY=120, FinishX=0, FinishY=0);
	-moz-box-shadow:0px 0px 4px #000 inset;
	-webkit-box-shadow:0px 0px 4px #000 inset;
	box-shadow:0px 0px 4px #000 inset;
}
ul.sdt_menu li span span.sdt_link,
ul.sdt_menu li span span.sdt_descr,
ul.sdt_menu li div.sdt_box a{
	text-transform:uppercase;
	text-shadow:1px 1px 1px #000;
	padding-left: 15px;
}
ul.sdt_menu li span span.sdt_link{
	color:#fff;
	font-size:20px;
	float:left;
	clear:both;
	line-height:28px;
	font-family: "微软雅黑","黑体","Arial Black", Vrinda;
	font-weight: bold;
}
ul.sdt_menu li span span.sdt_descr{
	color:#FC0;
	float:left;
	clear:both;
	width:110px; /*For dumbass IE7*/
	font-size:10px;
	line-height:12px;
	letter-spacing:1px;
}
ul.sdt_menu li div.sdt_box{
	display:block;
	position:absolute;
	width:120px;
	overflow:hidden;
	height:120px;
	top:80px;
	left:0px;
	display:none;
	z-index:20;
	background:#000;
	filter: Alpha(Opacity=70, FinishOpacity=100, Style=1, StartX=120, StartY=120, FinishX=0, FinishY=0);
}
ul.sdt_menu li div.sdt_box a{
	float:left;
	clear:both;
	width:120px;
	line-height:24px;
	color:#fff;
}
ul.sdt_menu li div.sdt_box a:first-child{
	margin-top:15px;
}
ul.sdt_menu li div.sdt_box a:hover{
	color:#fff;
	background:#f00;
}
topnav {
	margin-top: 25px;
}