body {
    background-color: #f8f9fa;
}

.product-card img {
    height: 220px;
    object-fit: cover;
    background: #eee;
}

.product-card {
    transition: transform .15s ease, box-shadow .15s ease;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .1);
}

.hero {
    background: linear-gradient(135deg, #0d6efd, #0a58ca);
    color: #fff;
    padding: 4rem 0;
}

.qr-code-box img {
    border: 1px solid #dee2e6;
    border-radius: .5rem;
    padding: .5rem;
    background: #fff;
}