body{font-family:Arial;position:absolute;margin-top:0px;text-align:center;background-color:#000000}
 .main_body{width:960px;text-align:center;margin-left:auto;margin-right:auto}
 	.menu{width:160px;display:block;float:left}
	.r{width:800px;height:489px;display:block;float:right;background:url("/images/content_bg.jpg");}
	.tit{padding-top:30px;padding-bottom:5px;padding-left:150px;padding-right:80px;text-align:left}
	.content{padding-top:0px;padding-bottom:5px;padding-left:150px;padding-right:65px;text-align:left;font-size:14px;line-height: 25px}
	.footer{display:block;clear:both;color:#FFFFFF;text-align:center;padding: 10px}
.div_clear{display:block;clear:both}