/* 正文图片查看器；只在文章与生成项目详情加载。 */
.article-detail .article-body .image-viewer-trigger {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 32px auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: 0;
  cursor: zoom-in;
}
.article-detail .article-body .image-viewer-trigger img { margin: 0 auto; }
.image-viewer-trigger:focus-visible { outline: 2px solid var(--green); outline-offset: 5px; }
html.image-viewer-open { overflow: hidden; scrollbar-gutter: stable; }
.image-viewer {
  position: fixed;
  inset: 0;
  box-sizing: border-box;
  width: calc(100% - 40px);
  max-width: calc(100% - 40px);
  height: calc(100vh - 40px);
  height: calc(100dvh - 40px);
  max-height: calc(100vh - 40px);
  max-height: calc(100dvh - 40px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  overflow: hidden;
}
.image-viewer[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.image-viewer::backdrop { background: rgba(29, 29, 31, .75); }
.image-viewer-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.image-viewer-label { margin: 0 auto 0 0; font-size: 17px; line-height: 1.5; font-weight: 600; }
.image-viewer-toolbar button {
  flex: none;
  min-height: 44px;
  min-width: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 17px;
  line-height: 1.5;
  cursor: pointer;
}
.image-viewer-toolbar button:hover { background: var(--gray); }
.image-viewer-toolbar button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.image-viewer-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
  padding: 20px;
  background: var(--gray);
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y pinch-zoom;
}
.image-viewer-stage:focus-visible { outline: 2px solid var(--green); outline-offset: -4px; }
.image-viewer .image-viewer-image {
  display: block;
  flex: none;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  margin: 0 auto;
  object-fit: contain;
}
.image-viewer[data-mode="actual"] .image-viewer-stage { display: block; }
.image-viewer[data-mode="actual"] .image-viewer-image { max-width: none; max-height: none; margin: 0; }
.image-viewer-error { margin: 0; color: var(--ink); font-size: 17px; line-height: 1.8; }
.image-viewer [hidden] { display: none; }
@media (max-width: 800px) {
  .image-viewer-toolbar { padding: 12px; }
  .image-viewer-stage { padding: 12px; }
}