.nav_bottom{width:950px;margin:0 auto;height:31px;clear:both}
.nb_left{float:left;width:6px;height:31px;background:url(../imgs/bj.gif) no-repeat -100px -93px;overflow:hidden}
.nb_right{float:left;width:6px;height:31px;background:url(../imgs/bj.gif) no-repeat -108px -93px;overflow:hidden}
.nb_main{float:left;width:938px;height:31px;background:url(../imgs/bj_bottom.gif) repeat-x;line-height:31px;color:#fff;text-align:center}
.nb_main a{color:#fff;margin-right:3px;}
.footer{width:950px;height:70px;margin:0 auto;padding-top:15px}
.footer p{height:25px;line-height:25px;color:#666;text-align:center}
.footer p a{color:#666;margin-right:5px;}
.footer p a:hover{color:#F60}