.ref-page-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.ref-page-item {
    border: 1px solid #eaeaea;
    border-radius: 8px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    transition: all 0.3s ease;
    height: 150px;
}

.ref-page-item:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transform: translateY(-5px);
    border-color: var(--secondary-blue);
}

.ref-page-item img {
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
}

/* Responsive */
@media (max-width: 1024px) {
    .ref-page-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .ref-page-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .ref-page-item {
        padding: 20px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .ref-page-grid {
        grid-template-columns: 1fr;
    }
}

.product-page-title { text-align: center; color: var(--primary-blue); font-size: 28px; font-weight: 600; text-transform: uppercase; margin-bottom: 20px; }
.product-intro { text-align: center; color: var(--text-light); max-width: 800px; margin: 0 auto 40px auto; font-size: 15px; line-height: 1.8; }