.product-section {
    padding: 50px 20px;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.product-item {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-item img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.product-item h3 {
    margin-top: 20px;
    font-size: 18px;
}

.product-item .price {
    color: #e33;
    font-weight: bold;
    margin-top: 10px;
}

/* 懒加载提示 */
.loading-message {
    text-align: center;
    margin: 20px 0;
    color: #555;
}