: a display:none
element never intersects, so the hidden grid's images are never fetched.
NOTE: ORIGINAL/OPTIMIZED carry the same visual bug, so verify-parity flags this grid
region as an INTENDED divergence, not a regression. */
@media (max-width: 767px) {
.custom-images-grid .grid-desktop { display: none; }
}
@media (min-width: 768px) {
.custom-images-grid .grid-mobile { display: none; }
}