body{ background:#efefef;}
.main{ width:1002px; margin:auto;margin-bottom:10px; height:auto; overflow:hidden;}
.meun1{height:88px; overflow:hidden; background:url(dh_01.png) repeat-x; width:100%;margin-top: 42px;z-index:9999;}
.banner{ width:100%; height:auto; overflow:hidden;margin-bottom:10px;}
.main_left{ width:260px; height:auto; padding: 10px; overflow:hidden;background:#fff; }
.main_right{ width:690px; height:auto; padding: 10px; overflow:hidden;background:#fff;min-height:308px;}