.entry-content .article-toc {
  margin: 28px 0 36px;
  border: 1px solid #d9dde3;
  border-radius: 10px;
  background: var(--light);
  color: var(--body-color);
}
[data-bs-theme="dark"] .entry-content .article-toc { border-color: #3a4350; }
.article-toc > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 16px 22px;
  border-radius: 10px;
  color: var(--secondary);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  list-style: none;
  cursor: pointer;
}
.article-toc > summary::-webkit-details-marker { display: none; }
.article-toc > summary::after {
  content: '';
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}
.article-toc[open] > summary::after { transform: rotate(225deg); }
.article-toc > summary:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 3px;
}
.article-toc nav { padding: 0 22px 18px; }
.entry-content .article-toc ol {
  margin: 0;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.6;
}
.article-toc li { padding-left: 4px; }
.article-toc li::marker { color: var(--grey); }
.entry-content .article-toc a {
  display: inline-block;
  padding: 5px 0;
  border: 0;
  color: var(--body-color);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.entry-content .article-toc a:hover {
  border: 0;
  color: var(--link-color);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-toc-target { scroll-margin-top: 32px; }
@media (max-width: 575.98px) {
  .article-toc > summary { padding: 14px 16px; font-size: 17px; }
  .article-toc nav { padding: 0 16px 14px; }
}