.math-render-notice {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 400;
  color: #b45309;
}
.dark .math-render-notice { color: #fbbf24; }
.question-main .katex,
.option-label .katex,
#review-list .katex,
#battle-question-text .katex,
.battle-option strong .katex {
  display: inline-block;
  max-width: 100%;
  overflow-x: auto;
  vertical-align: middle;
  padding: 3px 0;
}
.katex-display { max-width: 100%; overflow-x: auto; }
.battle-option strong { min-width: 0; }