html,body,#app{
    height: 100vh;
    width: 100vw;
    margin: 0;
    overflow: hidden;
}
#showcase{
    width: 100vw;
    height: 100vh;
}
.cus.layui-layer {
    background-color: transparent;
    box-shadow: none;
}
.cus.layui-layer iframe{
    background-color: transparent;
}
.cus.layui-layer .layui-layer-content{
    border-radius: 5px;
    overflow: hidden;
}
.hot{
    position: fixed;
}
#showcase {
    border: none;
}