.switch-city{float:left;position:relative;font-size:13px;margin-left:20px;margin-top:10px;}
.switch-city span{margin:0 5px;}
.city-option{position:absolute;top:40px;width:470px;height:300px;background:#fff;border:1px solid #dcdcdc;z-index:10000;padding:0 10px;overflow-y:auto;display:none;}
.city-option dl{width:100%;margin:3px;}
.city-option dt{float:left;width:65px;height:30px;line-height:30px;}
.city-option dd{float:left;line-height:30px;width:375px;margin-left:12px;}
.city-option dd a{margin:0 5px 3px 0;color:black;text-decoration:none;}
.city-option dd a:hover{text-decoration:underline;}
.s-btn{color:black;text-decoration:none;font-size:12px;cursor: pointer}
.s-btn:hover{text-decoration:underline;}