/**
 * L14 Page 04 · by 短语 · 省略判断
 */
#l14-book .lesson-page {
  display: none;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  gap: 0.35rem;
}
#l14-book .lesson-page.active {
  display: flex;
}

#l14-book .goal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
}
@media (min-width: 640px) {
  #l14-book .goal-grid { grid-template-columns: 1fr 1fr; }
}
#l14-book .goal-card {
  padding: 0.5rem 0.65rem;
  border-radius: 12px;
  border: 2px solid #99f6e4;
  background: #f0fdfa;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.4;
}

#l14-book .scene-frame--by:not(:has(img)) {
  background: linear-gradient(145deg, #ede9fe, #ddd6fe);
}

#l14-book .socratic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}
@media (min-width: 640px) {
  #l14-book .socratic-grid { grid-template-columns: 1fr 1fr 1fr; }
}
#l14-book .soc-card {
  padding: 0.55rem;
  border-radius: 14px;
  border: 2px solid #fde68a;
  background: #fffbeb;
}
#l14-book .soc-card .soc-q {
  font-weight: 900;
  font-size: 0.88rem;
  margin: 0 0 0.4rem;
}
#l14-book .soc-card .soc-opts {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
#l14-book .soc-card .soc-opts button {
  padding: 0.35rem 0.5rem;
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  background: #fff;
  font-weight: 800;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}
#l14-book .soc-card .soc-opts button.ok {
  border-color: #0d9488;
  background: #ccfbf1;
}
#l14-book .soc-card .soc-opts button.bad {
  border-color: #dc2626;
  background: #fee2e2;
}
#l14-book .soc-card .soc-fb {
  margin-top: 0.35rem;
  font-weight: 800;
  font-size: 0.78rem;
  color: #0f766e;
  min-height: 1.2em;
}

#l14-book .rule-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}
@media (min-width: 520px) {
  #l14-book .rule-grid { grid-template-columns: 1fr 1fr 1fr; }
}
#l14-book .rule-pick-card {
  padding: 0.55rem;
  border-radius: 14px;
  border: 2px solid #cbd5e1;
  background: #fff;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
#l14-book .rule-pick-card.is-lit {
  border-color: #0d9488;
  background: #ccfbf1;
  transform: scale(1.02);
}
#l14-book .rule-pick-card .rule-tag {
  display: inline-block;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 900;
  margin-bottom: 0.3rem;
}
#l14-book .rule-pick-card .rule-tag.add { background: #ddd6fe; color: #5b21b6; }
#l14-book .rule-pick-card .rule-tag.skip { background: #fef08a; color: #a16207; }
#l14-book .rule-pick-card .rule-tag.place { background: #bfdbfe; color: #1d4ed8; }

#l14-book .by-build {
  padding: 0.55rem;
  border-radius: 14px;
  border: 3px dashed #c4b5fd;
  background: #faf5ff;
  text-align: center;
  font-weight: 900;
  font-size: clamp(0.95rem, 1.8vw, 1.12rem);
}
#l14-book .by-build .by-slot {
  display: inline-block;
  min-width: 4rem;
  min-height: 2rem;
  padding: 0.2rem 0.45rem;
  margin: 0 0.15rem;
  border-radius: 10px;
  border: 2px solid #94a3b8;
  background: #fff;
  vertical-align: middle;
  cursor: pointer;
  font-family: inherit;
  font-weight: 900;
}
#l14-book .by-build .by-slot.filled {
  background: #ede9fe;
  border-color: #7c3aed;
  color: #5b21b6;
}
#l14-book .by-build .by-slot.empty-ok {
  background: #fef08a;
  border-color: #ca8a04;
  color: #a16207;
}
#l14-book .chip-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  justify-content: center;
  margin: 0.35rem 0;
}
#l14-book .chip-bank button {
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 2px solid #cbd5e1;
  background: #fff;
  font-weight: 800;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: inherit;
}

#l14-book .compare-card {
  flex: 1 1 auto;
  padding: 0.55rem;
  border-radius: 14px;
  border: 2px solid #99f6e4;
  background: #fff;
  min-height: 0;
  overflow: auto;
}
#l14-book .compare-card .cmp-tag {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  margin-bottom: 0.35rem;
}
#l14-book .compare-card .cmp-tag.use-by { background: #ddd6fe; color: #5b21b6; }
#l14-book .compare-card .cmp-tag.no-by { background: #fef08a; color: #a16207; }
#l14-book .compare-card .cmp-en {
  padding: 0.45rem;
  border-radius: 10px;
  margin: 0.3rem 0;
  font-weight: 800;
  line-height: 1.45;
}
#l14-book .compare-card .cmp-en.with-by {
  background: #f5f3ff;
  border-left: 4px solid #7c3aed;
}
#l14-book .compare-card .cmp-en.no-by {
  background: #fffbeb;
  border-left: 4px solid #d97706;
}
#l14-book .compare-card .cmp-wrong {
  padding: 0.4rem;
  border-radius: 10px;
  background: #fee2e2;
  border-left: 4px solid #dc2626;
  font-size: 0.85rem;
  font-weight: 800;
  color: #b91c1c;
  margin-top: 0.35rem;
  display: none;
}
#l14-book .compare-card.show-wrong .cmp-wrong {
  display: block;
}

#l14-book .read-by-card {
  padding: 0.55rem;
  border-radius: 14px;
  border: 2px solid #99f6e4;
  background: #fff;
}
#l14-book .read-by-card .read-tag {
  display: inline-block;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  background: #0d9488;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
}

#l14-book .panel-quiz-screen {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#l14-book .en-blur {
  filter: blur(6px);
  opacity: 0.35;
  transition: filter 0.35s ease, opacity 0.35s ease;
}
#l14-book .en-blur.is-shown {
  filter: none;
  opacity: 1;
}

#l14-book .trap-card .right-line { display: none; }
#l14-book .trap-card.revealed .right-line { display: block; }
#l14-book .trap-card .wrong-line { color: #b91c1c; font-weight: 900; }
#l14-book .trap-card .right-line { color: #0f766e; font-weight: 900; }

#l14-book .checklist {
  margin: 0.45rem 0;
  padding-left: 1.1rem;
  font-weight: 700;
  font-size: 0.82rem;
  line-height: 1.5;
}
#l14-book .summary-pick label {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.32rem 0.5rem;
  margin: 0.15rem;
  border-radius: 999px;
  border: 2px solid #cbd5e1;
  font-weight: 800;
  font-size: 0.8rem;
  cursor: pointer;
}
#l14-book .summary-pick label:has(input:checked) {
  border-color: #0d9488;
  background: #ccfbf1;
}

#l14-book .mark-by {
  color: #6d28d9;
  font-weight: 900;
  text-decoration: underline wavy #c4b5fd;
}