.mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    flex-direction: column;
    align-items: flex-end;
    padding: 20px;
}

.mask.show {
    display: flex;
}

.mask-tip {
    color: #fff;
    font-size: 18px;
    margin-top: 10px;
    margin-right: 10px;
    display: flex;
    align-items: center;
}

.arrow {
    width: 60px;
    margin-right: 10px;
    fill: #ffffff;
}

#copy-toast {
    opacity: 0;
    transition: opacity 0.3s;
    color: #4CD964;
    margin-top: 10px;
    font-size: 14px;
}