.cad-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}
.cad-section h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}
.cad-section h1:first-of-type {
    margin-top: 0;
}
.cad-section p {
    margin-bottom: 1rem;
    color: var(--text-color);
}
.cad-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin: 2rem 0;
}
.cad-gallery a {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}
.cad-gallery a:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 20px var(--shadow-color);
}
.cad-gallery img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}
.cad-last-updated {
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.85rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}