.uc-lightbox-dialog {
  border: none;
  padding: 0;
  width: auto;
  max-width: 92vw;
  max-height: 92vh;
  background: transparent;
  display: flex;
  justify-content: center;
 
}
.uc-lightbox-dialog::backdrop {
  background: rgba(0,0,0,.72);
}
.uc-lightbox-img {
  display: block;
  max-width: 92vw;
  max-height: 92vh;
  width: auto;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,.45);
}
.uc-lightbox-close {
  position: fixed;
  top: 18px;
  right: 22px;
  width: 40px;
  height: 40px;
  border-radius: 20px;
  border: none;
  background: rgba(255,255,255,.9);
  color: #111;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.uc-lightbox-close:hover { background: #fff; }
/* Utility: visually-hidden (for figcaptions) */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
/* Ensure inline images scale responsively */
.usecase-art { max-width: 100%; height: auto; }