body 
{
	text-align:center;
	font-size: 13px;
	color:Navy;
	background-color: #d9e7f1;
	margin: 0px;
}
#centeralign{margin:0 auto;width:1000px;position:relative;}
.chengse a:link {
	font-size:13px;
	color:Navy;
	text-decoration:none;
		font-family: "宋体";
	line-height: 23px;
}
.chengse a:visited {
	font-size:13px;
	color:Navy;
	text-decoration:none;
		font-family: "宋体";
	line-height: 23px;
}
.chengse a:hover
{
	font-size:13px;
	color:Navy;
	text-decoration:none;
	font-family:"宋体";
	line-height:23px;
}
.chengse a:active
{
	font-size:13px;
	color:#3300ff;
	text-decoration:none;
	font-family:"宋体";
	line-height:23px;
}