/* 综合测验 · 语篇 + 理解题分屏 */
#l13rc-book .panel-reading-quiz {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: 0.45rem;
  overflow: hidden;
}

#l13rc-book .reading-passage-wrap {
  flex: 0 1 auto;
  max-height: min(42vh, 320px);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.5rem 0.6rem;
  border-radius: 12px;
  border: 2px solid rgba(124, 58, 237, 0.22);
  background: linear-gradient(180deg, #faf5ff, #fff);
}

#l13rc-book .reading-meta {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 800;
  color: #6d28d9;
}

#l13rc-book .reading-passage-wrap .passage-text {
  margin: 0;
  font-size: clamp(0.92rem, 0.4vw + 0.82rem, 1.05rem);
  line-height: 1.65;
}

#l13rc-book .reading-passage-wrap .passage-text p {
  margin: 0 0 0.5rem;
}

#l13rc-book .reading-passage-wrap .passage-zh {
  margin: 0.45rem 0 0;
  padding-top: 0.45rem;
  border-top: 1px dashed rgba(93, 64, 55, 0.2);
  font-size: 0.86rem;
  color: #475569;
  line-height: 1.55;
}

#l13rc-book mark.rc-clause {
  background: rgba(167, 139, 250, 0.28);
  border-radius: 4px;
  padding: 0 0.12em;
  color: inherit;
  font-weight: inherit;
}

#l13rc-book mark.rc-clause strong {
  color: #5b21b6;
  font-weight: 900;
}

#l13rc-book .reading-tip {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
}

#l13rc-book .reading-quiz-wrap {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#l13rc-book .reading-quiz-wrap .quiz-stage {
  flex: 1 1 auto;
  min-height: 8rem;
}

@media (min-width: 900px) and (min-height: 520px) {
  #l13rc-book .panel-reading-quiz {
    display: grid;
    grid-template-columns: minmax(0, 48%) minmax(0, 1fr);
    grid-template-rows: 1fr;
    align-items: stretch;
  }
  #l13rc-book .reading-passage-wrap {
    max-height: none;
    height: 100%;
  }
}