.about-intro { max-width: 920px; }

.about-content { padding: 30px 34px 0; }

.about-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--panel-border);
}

.about-toc .eyebrow { flex-basis: 100%; margin-bottom: 2px; }
.about-toc a {
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}
.about-toc a:hover { color: var(--text); }
.about-section {
  padding: 32px 0 34px;
  border-bottom: 1px solid var(--panel-border);
  scroll-margin-top: 18px;
}
.about-section:last-child { border-bottom: 0; }
.about-section .eyebrow { margin-bottom: 8px; }
.about-section h2 { margin-bottom: 18px; }
.about-section p,
.about-section li,
.about-definitions dd {
  color: #b7bbc2;
  font-size: 13px;
  line-height: 1.7;
}
.about-section ul { margin: 16px 0 0; padding-left: 20px; }
.about-section li + li { margin-top: 8px; }

.about-definitions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.about-definitions div,
.about-example {
  padding-left: 14px;
  border-left: 2px solid var(--panel-border);
}

.about-definitions dt {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}
.about-definitions dd { margin: 0; }
.about-example {
  display: flex;
  gap: 10px;
  margin: 16px 0;
  border-left-color: rgba(230, 186, 98, .55);
  font-size: 13px;
}
.about-example strong { color: var(--gold); }
.about-example span { color: #b7bbc2; line-height: 1.5; }

@media (max-width: 540px) {
  .about-content { padding: 24px 18px 0; }
  .about-toc { gap: 9px 16px; }
  .about-definitions { grid-template-columns: 1fr; }
  .about-example { flex-direction: column; }
}
