/* 工程案例 */
.case-card { padding: 0; overflow: hidden; cursor: pointer; }
.case-card img { width: 100%; height: 220px; object-fit: cover; }
.case-img {
    height: 220px; background: var(--bg-secondary);
    display: flex; align-items: center; justify-content: center;
    font-size: 48px; border-bottom: 1px solid var(--border);
    transition: transform var(--transition);
    overflow: hidden;
}
.case-card:hover .case-img { transform: scale(1.05); }
.case-body { padding: 24px; }
.case-tag {
    display: inline-block; padding: 2px 10px; border-radius: 12px;
    background: var(--accent-glow); color: var(--accent);
    font-size: 12px; font-weight: 500; margin-bottom: 12px;
}
.case-body h3 { font-size: 18px; margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--text-secondary); }
.case-meta { display: flex; gap: 16px; margin-top: 12px; font-size: 13px; color: var(--text-muted); }

@media (max-width: 768px) {
    .case-img { height: 180px; }
    .case-img img { height: 180px; }
    .case-body { padding: 16px; }
    .case-body h3 { font-size: 16px; }
    .case-body p { font-size: 13px; }
}

@media (max-width: 480px) {
    .case-img { height: 150px; }
    .case-img img { height: 150px; }
    .case-body { padding: 14px; }
    .case-body h3 { font-size: 15px; }
    .case-meta { gap: 10px; font-size: 12px; flex-wrap: wrap; }
}