/* liang-li-er-xing — 哈鲁 · 量力而行 */
:root {
  --story-bg: #5d4037;
  --story-primary: #d7ccc8;
  --story-accent: #8d6e63;
  --story-gradient: linear-gradient(180deg, #3e2723 0%, #8d6e63 60%, #efebe9 100%);
  --story-card-bg: rgba(255, 255, 255, 0.08);
  --story-text: #fff8e1;
  --story-text-secondary: rgba(255, 248, 225, 0.72);
  --story-glow: 0 0 30px rgba(255, 255, 255, 0.2);
}
body { background: var(--story-bg); color: var(--story-text); }
.btn-primary {
  background: linear-gradient(135deg, #d7ccc8, #5d4037);
  color: #1a1a1a;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.choice-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.22);
}
.choice-btn:hover { border-color: #d7ccc8; }
.confirm-overlay { background: rgba(0, 0, 0, 0.88); }
.knowledge-card { border-left: 3px solid #d7ccc8; }
.parent-hint-toggle { color: #d7ccc8; }