body {
    background: linear-gradient(to bottom, rgba(91, 220, 225, 0), rgba(91, 220, 225, 0.2), rgba(91, 220, 225, 0.3), rgba(69, 139, 182, 0.7), rgba(93, 162, 199, 0.919));
    display: flex;
    flex-direction: column;
}

section .product-index a:hover {
    color: var(--product-accent-bg);
    background-color: var(--product-accent-text);
}

/* SK-199 主題色 */
:root {
    --product-accent-text: rgba(91, 220, 225, 0.9);
    --product-accent-bg: rgba(93, 162, 199, 0.919);
}