.promo-archive {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.promo-card {
    border: 1px solid #e5e5e5;
    padding: 16px;
    border-radius: 8px;
    background: #fff;
}

.promo-card h2 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.promo-card-btn {
    display: inline-block;
    margin-top: 12px;
    padding: 10px 14px;
    background: #0a7cff;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

.promo-expire {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: #666;
}