.pen{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    z-index: 2999;
}
.open{
    display: block;
}
.hide{
    display: none;
}
.iframe{
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}
.dely{
    opacity: 0;
}
.rightItem{
    position: absolute;
    right: 15Px;
    bottom: 0;
    bottom: constant(safe-area-inset-bottom);
    bottom: env(safe-area-inset-bottom);
    width: 50Px;
    height: 54Px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: block;
}