.product-card {
    border-radius: 8px;
    transition: box-shadow 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.product-card:hover {
    box-shadow: 0 0 10px 3px #FFA500; /* 黃色光暈 */
    transform: translateY(-3px);
    cursor: pointer;
}

.highlight-border {
    box-shadow: 0 0 10px 3px yellow; /* 黃色外光暈 */
    border: 2px solid yellow; /* 額外邊框讓效果更明顯 */
    transition: box-shadow 0.3s ease-in-out, transform 0.3s ease-in-out;
}