.center{ width:1000px; margin:0 auto;}
.one{ overflow:hidden; margin-top:30px;}
.tp{ width:483px; float:left;}
.qwfb{ width:491px; float:right;}
.clear{ clear:both;}
.two{overflow:hidden; margin-top:30px;}
.zxsk{ width:490px; float:left;}
.yxdjt{ width:490px; float:right;}
.sy{margin-top:50px;}