.f-ke{display:none;}@media (max-width:991px){.f-ke{width:100%;float:left;position:fixed;bottom:0;height:40px;line-height:40px;display:block;z-index:99999;}.f-ke ul li{width:50%;float:left;text-align:center;line-height:40px;background-color:#ff7e00;}.f-ke ul li.f-ke_a{background-color:#904904;}.f-ke ul li a{color:#fff;}}