body{
    margin:0px;
	padding:0px;
	font-family:verdana, arial, helvetica, sans-serif;
}
.bdmain {
	width: 800px;
	margin-top: 0px;
	margin-right: auto;
	margin-bottom: 0px;
	margin-left: auto;
	height:450px;
}
.back {
	float: left;
	padding-left:20px;
	margin-top: 10px;
	background-image: url(../images/arrow.gif);
	background-repeat: no-repeat;
	background-position: left center;
	margin-left: 50px;
	font-family:Arial, Helvetica, sans-serif;
	font-size:18px;
	font-weight:bold;
	color:#999999;
	
}
.img {
	float: left;
	width: 700px;
	margin-top: 20px;
	margin-left: 50px;
}
.ditu {
	float: left;
	width: 311px;
}
.chengshi {
	float: right;
	width: 350px;
	font-family:Arial, Helvetica, sans-serif;
	font-size:13px;
	color:#999999;
	font-weight:bold;
}