.toc {
  background: #f8fafc;
  border: none;
  border-radius: 0.5rem;
  padding: 1.5rem 1.5rem 1rem 1.5rem;
  margin: 2rem 0;
  font-size: 1rem;
  box-shadow: none;
}
.toc h2, .toc h3 {
  font-size: 1.1em;
  font-weight: 600;
  margin-bottom: 0.5em;
  color: #2563eb;
}
.toc ul {
  list-style: none;
  padding-left: 0;
}
.toc ul ul {
  margin-left: 1.2em;
  border-left: none;
  padding-left: 1em;
}
.toc li {
  margin-bottom: 0.3em;
}
.toc a {
  color: #0f172a;
  text-decoration: none !important;
  border-bottom: none !important;
  transition: color 0.2s;
}
.toc a:hover {
  color: #2563eb;
  text-decoration: none !important;
  border-bottom: none !important;
}