.huuguu-modal {
    position: fixed;
    z-index: 9999;
    background: rgba(0,0,0,0.7);
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.huuguu-modal-content {
    background: white;
    padding: 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease-in;
    border-radius: 8px;
}