/* Jiangsu Erhuan: shared image protection, 2026-10-22 v3. */
html body img, html body picture, html body canvas,
html body svg[role="img"], html body .erhuan-protected-media-link,
html body .erhuan-media-layer, #s7-technical-dialog .s7-technical-scroll {
  -webkit-touch-callout: none !important;
  -webkit-user-select: none !important;
  user-select: none !important;
  -webkit-user-drag: none !important;
}
html.erhuan-touch-media body img { pointer-events: none !important; }
html.erhuan-touch-media body img.erhuan-rasterized { opacity: 0 !important; }
html body .erhuan-media-layer {
  position: absolute !important;
  display: block;
  box-sizing: border-box !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  line-height: 0 !important;
  pointer-events: auto !important;
  /* Native scrolling and pinch zoom must remain available. */
  touch-action: auto;
}
html body .erhuan-media-layer > canvas {
  position: static !important;
  display: block !important;
  box-sizing: border-box !important;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  pointer-events: none !important;
}
html body .erhuan-media-layer[hidden] { display: none !important; }
html body .erhuan-media-layer > canvas[hidden] { display: none !important; }
@media print {
  html body .erhuan-media-layer { display: none !important; }
  html.erhuan-touch-media body img.erhuan-rasterized { opacity: 1 !important; }
}