body{ margin:0; padding:0;  }
div,ul,li{ list-style:none; margin:0; padding:0;}
.clear{ clear:both; }
.gzhd_body_box{ width:1000px; margin:0 auto;background-color:#F7F8FC;padding-bottom:15px;margin-top:10px;}
.gzhd_left{ width:674px;  float:left; background-color:#F7F8FC;}
.gzhd_right{ width:278px;  float:right; background-color:#F7F8FC;margin-top:10px;margin-right:15px;}