body{
	width:1200px;
	margin:0 auto;}
.redline{
	margin:45px 0 45px 0;
	width:1200px;}
.zhaiyao{
	width:1200px;
	height:300px;
	margin:0 auto;}
.lanmu{
	width:1200px;
        height:430px;
	margin:0 auto;
        background:url(../images/lanmu_back.png) no-repeat;}