.promo-referral-section {
    background: #fff0e0;
    border: 2px dashed #fd9644;
    padding: 0.4rem 1.8rem 1.8rem 1.8rem;
    border-radius: 12px;
    margin-top: 3rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease-in-out;
}

.promo-referral-section .section.emphasis {
    text-align: center;
    font-size: 1.3rem;
    color: #d35400;
}

.promo-referral-section .center-btn {
    display: flex;
    justify-content: center;
    margin-top: 0.5rem;
}