/* Styles for the subsection links with thumbnails */
        .subsection-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }
        .subsection-links-item {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
            text-align: center;
        }
        .subsection-links-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }
        .subsection-links-item a {
            display: block;
            padding: 1rem;
            text-decoration: none;
            color: inherit;
        }
        .subsection-links-item .thumbnail-container {
            width: 100%;
            height: 120px;
            background-color: var(--pale_grey);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .subsection-links-item .thumbnail-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .subsection-links-item .link-text {
            padding: 0.75rem;
            font-size: 1.1em;
            font-weight: bold;
            color: var(--ocean-dark);
        }