.article-toc {
  box-sizing: border-box;
  width: calc(100% - 2rem);
  max-width: 820px;
  margin: 1.4rem auto 2.1rem;
  padding: 0.95rem 1.1rem 1rem;
  border: 1px solid rgba(27, 37, 47, 0.14);
  border-left: 4px solid #b1452f;
  border-radius: 0.55rem;
  background: #f4f0e8;
  color: #1c252d;
  box-shadow: 0 0.3rem 1rem rgba(22, 28, 34, 0.06);
}

.article-toc__title {
  margin: 0 0 0.55rem;
  font: 700 0.78rem/1.2 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #6d2d22;
}

.article-toc__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.3rem 1.25rem;
  margin: 0;
  padding: 0 0 0 1.2rem;
}

.article-toc__links li {
  margin: 0;
  padding-left: 0.08rem;
  line-height: 1.35;
}

.article-toc__links a {
  color: #243b4d;
  font: 600 0.88rem/1.35 system-ui, -apple-system, "Segoe UI", sans-serif;
  text-decoration: underline;
  text-decoration-color: rgba(36, 59, 77, 0.35);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

.article-toc__links a:hover {
  color: #8f3425;
  text-decoration-color: currentColor;
}

.article-toc__links a:focus-visible {
  outline: 3px solid #c86a42;
  outline-offset: 3px;
  border-radius: 0.15rem;
}

article h2[id] {
  scroll-margin-top: 5.5rem;
}

@media (max-width: 680px) {
  .article-toc {
    margin: 1.15rem 0 1.7rem;
    padding: 0.85rem 0.95rem 0.9rem;
  }

  .article-toc__links {
    grid-template-columns: 1fr;
    gap: 0.38rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }
}