#nav{ width:100%; height:40px; background:#EEEEEE;}
#nav ul{ margin:0; padding:0;list-style:none;}
#nav ul li{float:left; width:100px; height:40px; text-align:center; line-height:40px; background:#E1E1E1; border-right:1px solid #FFFFFF;overflow:hidden;}
#nav ul li a{ display:block; font-family:"微软雅黑"; font-size:12px; color:#000000;}
#nav ul li a:hover{color:#FFF; background:#DC2320;}
#nav ul .hover a{color:#FFF; background:#DC2320;}
#nav ul dl,#nav ul .hover dl{position:absolute;margin:0;_margin:0;padding:0;background:#F4C53C;display:none;z-index:999;}
#nav ul dl a,#nav ul .hover dl a{font-size:12px;width:100px;background:#F4C53C;line-height:35px;height:35px;font-family:"微软雅黑"; color:#333;}
#nav ul dl a:hover,#nav ul .hover dl a:hover{background:#000;color:#fff;}