.kefu-iframe[data-v-1e7aafca]{position:fixed;top:75px;left:0;width:100vw;height:calc(100vh - 75px);z-index:999999999;box-sizing:border-box}.kefu-iframe .frame[data-v-1e7aafca]{width:100%;height:100%}@media screen and (max-width:768px){.apple-device[data-v-1e7aafca]{height:calc(100vh - 24vw - 75px)!important}}