/* 新插图与放大层；窄屏书栏和旧半幅图继续使用原样式。 */

.learning-figure {
  clear: both;
  margin: 40px 0;
  max-width: 100%;
}

.learning-figure + .learning-figure {
  margin-top: 0;
}

.learning-figure .learning-open {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 1px solid #d3c9b6;
  background: #fbf8f1;
  color: #1e3a2d;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.learning-figure .learning-open img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0;
  aspect-ratio: 3 / 2;
  object-fit: contain;
  background: #f3ede2;
}

.learning-figure .learning-title {
  margin: 12px 0 0;
  color: #1e3a2d;
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  font-size: 20px;
  line-height: 1.35;
}

.learning-figure .learning-caption {
  margin: 6px 0 0;
  color: #2b2925;
  font-size: 16px;
  line-height: 1.7;
}

.learning-figure .learning-pages {
  margin: 4px 0 0;
  color: #5c564e;
  font-size: 15px;
  line-height: 1.6;
}

.learning-figure .learning-labels {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.learning-figure .learning-labels li {
  margin: 0;
  color: #1e3a2d;
  font-size: 16px;
  line-height: 1.6;
}

@media (min-width: 720px) {
  .learning-figure .learning-labels {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 18px;
  }
}

.learning-figure .learning-open:focus-visible {
  outline: 2px solid #1e3a2d;
  outline-offset: 3px;
}

dialog.learning-dialog {
  box-sizing: border-box;
  width: min(920px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  max-height: calc(100vh - 24px);
  max-height: calc(100dvh - 24px);
  margin: auto;
  padding: 12px 12px 16px;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid #d3c9b6;
  background: #fbf8f1;
  color: #2b2925;
}

dialog.learning-dialog::backdrop {
  background: rgba(30, 58, 45, 0.28);
}

dialog.learning-dialog .learning-dialog-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

dialog.learning-dialog .learning-dialog-title {
  margin: 0;
  color: #1e3a2d;
  font-size: 22px;
  line-height: 1.3;
}

dialog.learning-dialog .learning-close {
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 8px 14px;
  border: 1px solid #d3c9b6;
  background: #fbf8f1;
  color: #1e3a2d;
  font: inherit;
  cursor: pointer;
}

dialog.learning-dialog .learning-dialog-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 12px 0 0;
  object-fit: contain;
  background: #f3ede2;
}

dialog.learning-dialog .learning-dialog-caption {
  margin: 10px 0 0;
  color: #2b2925;
  font-size: 16px;
  line-height: 1.7;
}

dialog.learning-dialog .learning-close:focus-visible {
  outline: 2px solid #1e3a2d;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .learning-figure,
  .learning-figure *,
  dialog.learning-dialog,
  dialog.learning-dialog * {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}