*{background:#FFFFFF}
a{color:black; text-decoration:none}
a:hover{color:#F00} 
#top{height:auto; background:#FFFFFF; width:auto; margin-left:auto; margin-right:auto}
#hdl{height:100px; background:#FFFFFF; width:230px;margin-left:200px}
#cat{height:50px; width:1530px; margin-left:auto;margin-right:auto;margin-top:50px}
.aaa{height:50px; width:242px; background:#FFF; float:left; margin-right:80}
.bbb{height:50px; width:242px; background:#FFF; float:left; margin-right:80}
.ccc{height:50px; width:242px; background:#FFF; float:left; margin-right:80}
.ddd{height:50px; width:242px; background:#FFF; float:left; margin-right:80}
.eee{height:50px; width:242px; background:#FFF; float:left}
#introt{height:74px; width:1210px; margin-top:100px; margin-left:200px}
#list{height:500px; width:202px; float:left; margin-top:50px}
#one{height:700px; width:700px; float:left; margin-right:30px; margin-left:150px}
#intro1{height:500px; width:700px; margin-top:220px;float:left;margin-right:auto; margin-left:50px}
#introb{height:30px; width:1211px; margin-top:20px;float:left;margin-left:250px}
.part{height:50px; width:202px; float:top; background:#FFF;}
#intro1 font {
	font-family:"Helvetica Neue",Arial,"Liberation Sans",FreeSans,sans-serif; font-size:20px;
}
#introt font {
	font-family:"Helvetica Neue",Arial,"Liberation Sans",FreeSans,sans-serif; font-size:15px;
}

#introb {
	font-family:"Helvetica Neue",Arial,"Liberation Sans",FreeSans,sans-serif; font-size:10px;
}