.kefu{width:40px;height:198px;position:fixed;top:240px;right:0;overflow:hidden;z-index:9999;background-color:#fff}.kefu:hover{width:160px}.online{width:160px;height:198px;background:rgba(1,1,1,0.1) url(../images/onlinebg.png) 0 0 no-repeat}.kefu .online_QQ,.kefu .online_tel,.kefu .online_wxewm{margin-left:40px}.m_footer{display:none}@media screen and (max-width:500px){.kefu{display:none}.m_footer{display:block;width:100%;color:#fff;font-size:15px;height:60px;line-height:60px;position:fixed;left:0;bottom:0;background:#ad0b0b;box-shadow:0 0 11px 0 rgba(148,141,141,0.6);z-index:18}.m_footer .c,.m_footer .k{float:left;width:50%;height:60px;line-height:60px;border-right:1px solid #fff}.m_footer a{font-size:18px;color:#fff}.m_footer .iconA,.Customer .iconB{float:left;width:30px;height:30px;margin-top:12px;margin-left:15px;margin-right:15px}.bg-sp-1{background:url(../images/sp-1.png) no-repeat}.bg-sp-k1{background:url(../images/k1.png) no-repeat}}