/* Only the explicitly marked key formulas receive emphasis. */
#article-container blockquote:has(.buck-formula-label) {
  margin: 26px 0;
  padding: 18px 24px;
  border: 1px solid rgba(190, 128, 26, .3);
  border-left: 5px solid #bf811d;
  border-radius: 10px;
  background: #fff8e9;
  color: #302c23;
}

#article-container .buck-formula-label {
  display: block;
  color: #865600;
  font-size: 1.02em;
  font-weight: 700;
  letter-spacing: .02em;
}

#article-container blockquote:has(.buck-formula-label) mjx-container[display="true"] {
  max-width: 100%;
  margin: 1.1em 0 .6em !important;
  padding: 6px 0 12px;
  overflow-x: auto;
  overflow-y: hidden;
  font-size: 120% !important;
}

[data-theme="dark"] #article-container blockquote:has(.buck-formula-label) {
  border-color: rgba(242, 187, 84, .3);
  border-left-color: #efb74e;
  background: #30291d;
  color: #f4ead7;
}

[data-theme="dark"] #article-container .buck-formula-label {
  color: #f4c56d;
}

@media (max-width: 600px) {
  #article-container blockquote:has(.buck-formula-label) {
    padding: 14px 12px;
  }

  #article-container blockquote:has(.buck-formula-label) mjx-container[display="true"] {
    font-size: 105% !important;
  }
}