.refe_ul{margin: 0 -10px;}
.refe_ul li{display: inline-block;float: left;margin: 0 10px 20px 10px;}
.lunbo{position: fixed;left: 0;top: 0;right: 0;bottom: 0;display: none;z-index: 1000;}
.lun_jing{position: fixed;left: 0;top: 0;right: 0;bottom: 0;background: #000000;opacity: 0.4;display: none;z-index: 999;}
