.header_ry{ width:950px; height:72px; overflow:hidden; font-size:0px;}
.logo_ry{ width:156px; height:72px; float:left; overflow:hidden}
.nav_ry{width:794px;height:72px;background:url(../images2012/pic_13.jpg)  no-repeat; float:left;}
.nav_ry ol li{float:right;}
.nav_ry ol li.one_a{width:794px;font-size:14px;color:#fff;height:28px;padding-top:13px;*height:27px;*padding-top:14px; margin-right:0px; overflow:hidden;}
.nav_ry ol li.one_b{width:794px;font-size:12px;padding-top:9px;*padding-top:10px;color:#9db9c7;}
.nav_ry ol li.one_a a{color:#fff;margin-left:8px;margin-right:7px;}
.nav_ry ol li.one_b a{color:#9db9c7;margin-left:8px;margin-right:7px;}
.center{margin-left:auto;margin-right:auto;}