/* 小学一二年级指南课：大图、少字、注音 */
.page[data-primary="1"] .chapter-body {
  font-size: 1.12rem;
  /* 给拼音留行距，避免与上下行挤在一起 */
  line-height: 2.2;
}
.page[data-primary="1"] .chapter-title {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  line-height: 2.05;
}
/*
 * 每个汉字单独一个 <ruby>，用纵向 flex 保证拼音居中压在字上，
 * 避免浏览器原生 ruby 把相邻音节挤成一团、错位。
 */
.page[data-primary="1"] ruby {
  display: inline-flex;
  flex-direction: column-reverse;
  align-items: center;
  justify-content: flex-end;
  vertical-align: baseline;
  margin: 0 0.06em;
  line-height: 1.05;
  ruby-align: center;
  ruby-position: over;
  /* 避免「一」等瘦字与相邻字挤叠 */
  min-width: 1em;
  box-sizing: content-box;
}
.page[data-primary="1"] ruby.pri-sym {
  min-width: 0.35em;
}
.page[data-primary="1"] ruby.pri-sym rt {
  visibility: hidden;
  user-select: none;
}
/* 同一词不换行（地图、低头、闯红灯…） */
.page[data-primary="1"] .pri-ww {
  display: inline-block;
  white-space: nowrap;
  vertical-align: baseline;
}
.page[data-primary="1"] ruby > rt,
.page[data-primary="1"] ruby rt {
  display: block;
  position: static;
  font-size: 0.88em;
  line-height: 1.15;
  color: inherit;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  letter-spacing: -0.02em;
  user-select: none;
  transform: none;
}
/*
 * 有边框/实心底的控件：拼音与汉字同色（currentColor），
 * 整块内容上下左右居中。
 */
.page[data-primary="1"] .moe-pri-btn,
.page[data-primary="1"] .pls-btn,
.page[data-primary="1"] .quiz-check,
.page[data-primary="1"] .moe-pri-card,
.page[data-primary="1"] .moe-pri-chip,
.page[data-primary="1"] .pri-card,
.page[data-primary="1"] .quiz-opt {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
  line-height: 1.15;
  vertical-align: middle;
}
.page[data-primary="1"] .moe-pri-btn,
.page[data-primary="1"] .pls-btn,
.page[data-primary="1"] .quiz-check {
  gap: 0.12em;
  row-gap: 0.35em;
  min-height: 2.85rem;
  padding: 0.45rem 1.2rem;
  align-items: flex-end;
}
/* 玩一玩大卡 / 原始卡片：可换行，勿套到学一学 tab 上 */
.page[data-primary="1"] .moe-pri-card,
.page[data-primary="1"] .pri-card {
  flex-direction: column;
  padding: 16px 12px;
  min-height: 148px;
  width: 100%;
  overflow: visible;
  align-items: center;
  justify-content: flex-start;
  line-height: 2.15;
}
/* 学一学活动切换：横向均分铺满，高度随内容（不必正方形） */
.page[data-primary="1"] .pri-learn-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin: 0 0 10px;
  width: 100%;
  box-sizing: border-box;
}
.page[data-primary="1"] .pri-learn-tab {
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: auto;
  min-width: 0;
  max-width: none;
  min-height: 0;
  aspect-ratio: auto;
  padding: 10px 8px 12px;
  line-height: 2.05;
}
@media (max-width: 520px) {
  .page[data-primary="1"] .pri-learn-tabs {
    flex-wrap: wrap;
  }
  .page[data-primary="1"] .pri-learn-tab {
    flex: 1 1 calc(50% - 10px);
    min-width: calc(50% - 10px);
  }
}
.page[data-primary="1"] .pri-learn-stage {
  display: block;
  margin: 0 0 0.85rem;
}
/* 卡片内长文案可换行，避免裁切 */
.page[data-primary="1"] .moe-pri-card .lab,
.page[data-primary="1"] .pri-card .pri-lab {
  display: flex !important;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 0.08em 0.1em;
  width: 100%;
  max-width: 100%;
  line-height: 2.2 !important;
  white-space: normal;
  overflow: visible;
  box-sizing: border-box;
}
.page[data-primary="1"] .moe-pri-card .lab .pri-ww,
.page[data-primary="1"] .pri-card .pri-lab .pri-ww {
  display: inline;
  white-space: normal;
}
.page[data-primary="1"] .pri-learn-tab .lab {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 0.06em 0.08em;
  width: 100%;
  line-height: 2.05;
  font-size: 0.92rem;
}
.page[data-primary="1"] .pri-learn-tab .lab .pri-ww {
  display: inline;
  white-space: normal;
}
.page[data-primary="1"] .moe-pri-chip {
  padding: 0.35rem 0.75rem;
  gap: 0.15em;
}
.page[data-primary="1"] .quiz-opt {
  display: flex;
  width: 100%;
  justify-content: flex-start;
  align-items: center;
  gap: 0.4em;
  padding: 0.55rem 0.7rem;
}
.page[data-primary="1"] .moe-pri-btn .pri-ww,
.page[data-primary="1"] .pls-btn .pri-ww,
.page[data-primary="1"] .quiz-check .pri-ww,
.page[data-primary="1"] .moe-pri-chip .pri-ww {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
}
.page[data-primary="1"] .moe-pri-btn ruby,
.page[data-primary="1"] .pls-btn ruby,
.page[data-primary="1"] .quiz-check ruby,
.page[data-primary="1"] .moe-pri-card ruby,
.page[data-primary="1"] .moe-pri-chip ruby,
.page[data-primary="1"] .pri-learn-tab ruby,
.page[data-primary="1"] .pri-card ruby,
.page[data-primary="1"] .quiz-opt ruby {
  margin: 0 0.05em;
  justify-content: center;
  vertical-align: middle;
}
.page[data-primary="1"] .moe-pri-btn ruby > rt,
.page[data-primary="1"] .moe-pri-btn ruby rt,
.page[data-primary="1"] .pls-btn ruby > rt,
.page[data-primary="1"] .pls-btn ruby rt,
.page[data-primary="1"] .quiz-check ruby > rt,
.page[data-primary="1"] .quiz-check ruby rt,
.page[data-primary="1"] .moe-pri-card ruby > rt,
.page[data-primary="1"] .moe-pri-card ruby rt,
.page[data-primary="1"] .moe-pri-chip ruby > rt,
.page[data-primary="1"] .moe-pri-chip ruby rt,
.page[data-primary="1"] .pri-learn-tab ruby > rt,
.page[data-primary="1"] .pri-learn-tab ruby rt,
.page[data-primary="1"] .pri-card ruby > rt,
.page[data-primary="1"] .pri-card ruby rt,
.page[data-primary="1"] .quiz-opt ruby > rt,
.page[data-primary="1"] .quiz-opt ruby rt {
  color: currentColor;
  font-size: 0.62em;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.05;
  margin-bottom: 0.08em;
}
.page[data-primary="1"] .quiz-q,
.page[data-primary="1"] .quiz-opt,
.page[data-primary="1"] .pri-lead,
.page[data-primary="1"] .pri-tip,
.page[data-primary="1"] .pri-star,
.page[data-primary="1"] .quiz-hint,
.page[data-primary="1"] h3 {
  line-height: 2.2;
}
.page[data-primary="1"] .pri-lead {
  margin: 0.4rem 0 0.9rem;
  color: #3d524a;
  font-size: 1.05rem;
}
.page[data-primary="1"] .pri-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 12px;
  margin: 0.6rem 0 1.1rem;
}
.page[data-primary="1"] .pri-learn-goal {
  margin: 0.15rem 0 0.65rem;
  color: #3d524a;
}
.page[data-primary="1"] .pri-cards-legacy {
  display: none !important;
}
.page[data-primary="1"] .pri-card {
  background: #fffdf8;
  border: 2px solid #ecd9b8;
  border-radius: 16px;
  padding: 12px 10px;
  text-align: center;
  box-shadow: 0 4px 0 rgba(180, 140, 80, 0.08);
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
.page[data-primary="1"] .pri-card:focus-visible {
  outline: 3px solid rgba(47, 158, 116, 0.45);
  outline-offset: 2px;
}
.page[data-primary="1"] .pri-card .pri-ico {
  font-size: 2.1rem;
  line-height: 1.2;
  display: block;
}
.page[data-primary="1"] .pri-card .pri-lab {
  display: block;
  margin-top: 6px;
  font-size: 0.98rem;
  color: #2c3e36;
  line-height: 1.15;
}
.page[data-primary="1"] .pri-tip {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0.7rem 0 1rem;
  padding: 12px 14px;
  border-radius: 14px;
  background: #eef8f3;
  border: 1px solid #c5e6d6;
  box-sizing: border-box;
}
.page[data-primary="1"] .pri-star {
  margin: 0.8rem 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(90deg, #fff6e0, #fff);
  border: 1px solid #f0d9a8;
  color: #6a4a12;
  display: flex;
  align-items: center;
  box-sizing: border-box;
}
.page[data-primary="1"] .pri-tip .pri-ico {
  font-size: 1.5rem;
  line-height: 1;
}
.page[data-primary="1"] .inline-fig img {
  border-radius: 16px;
  border: 2px solid #ecd9b8;
}
.page[data-primary="1"] .quiz-opts .quiz-opt {
  font-size: 1.02rem;
  padding: 0.55rem 0.7rem;
}
.page[data-primary="1"] h3 {
  margin-top: 1.15rem;
  font-size: 1.12rem;
  color: #1f5c4a;
}
@media (max-width: 640px) {
  .page[data-primary="1"] .pri-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}