.kefu-span{width:3.5rem;font-size:.6rem}.kefu-input,.kefu-span{height:1rem;display:block;float:left}.kefu-input{box-shadow:0 0 .1rem #ccc;width:14rem;border-radius:.1rem}.kefu-input:focus{caret-color:#ff5810;border:1px solid #ff5810}