#btn_lm{position:fixed;left:0;top:0;width:32px;height:32px;padding:16px;cursor:pointer}#btn_cm{position:fixed;top:0;right:0;width:32px;height:32px;padding:16px;cursor:pointer}#btn_em{position:fixed;top:64px;right:0;width:32px;height:32px;padding:16px;cursor:pointer}#lm{position:fixed;left:-300px;top:0;bottom:0;width:300px;background-color:#fff;display:flex;flex-direction:column;transition:left .5s ease}#lm_mask{position:fixed;left:0;top:0;right:0;bottom:0;background-color:rgba(0,0,0,0.1);display:none}#showmsg{position:fixed;left:0;right:0;bottom:0;padding:4px;background-color:rgba(0,0,0,0.5);color:#fff;font-size:14px}.dialog{position:fixed;left:0;top:0;right:0;bottom:0;padding:32px;line-height:200%;background-color:rgba(0,0,0,0.3)}