.banner_bj{ height:167px; background:url(../images/banner_bj.jpg)}
.banner_xy{ height:167px; background:url(../images/banner_xy.jpg)}
.banner_tc{ height:167px; background:url(../images/banner_yc.jpg)}
.banner_wn{ height:167px; background:url(../images/banner_wn.jpg)}
.banner_ya{ height:167px; background:url(../images/banner_ya.jpg)}
.banner_yl{ height:167px; background:url(../images/banner_yl.jpg)}
.banner_hz{ height:167px; background:url(../images/banner_hz.jpg)}
.banner_ak{ height:167px; background:url(../images/banner_ak.jpg)}
.banner_sl{ height:167px; background:url(../images/banner_sl.jpg)}
.banner_ylsfq{ height:167px; background:url(../images/banner_ylsfq.jpg)}
.banner_hc{ height:167px; background:url(../images/banner_hc.jpg)}
.banner{ height:167px; background:url(../images/banner.jpg)}