/* TOC floating at top right, under header, Minima style */
.toc-container {
  position: fixed;
  top: 5.5rem; /* header高度+间距，可根据实际header高度微调 */
  right: 2.5rem;
  left: auto;
  width: calc((100vw - var(--wrapper-width, 1024px)) / 2 - 6rem);
  min-width: 180px;
  background: #f5f5f7;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", Helvetica, Arial, sans-serif;
  font-size: 1.2rem;
  color: #1c1c1e;
  line-height: 1.7;
  border-left: 4px solid #2a7ae2;
  padding: 1.25rem 1.5rem;
  z-index: 100;
  transition: width 0.2s, max-width 0.2s, right 0.2s, top 0.2s;
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
}
.toc-title {
  font-weight: 600;
  font-size: 1.1em;
  margin-bottom: 0.5em;
  color: #222;
}
.toc-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.toc-list li {
  margin: 0.25em 0;
}
.toc-list a {
  color: #222;
  text-decoration: none;
  border-bottom: 1px dotted #888;
  transition: color 0.2s;
  font-weight: bold;
}
.toc-list a:hover {
  color: #444;
  border-bottom: 1px solid #444;
}
#main-wrapper {
  transition: margin-right 0.2s;
}
@media screen and (max-width: 1600px) {
  .toc-container {
    float: none;
    width: 100%;
    max-width: 100%;
    margin: 1.5rem 0;
    position: static;
    top: auto;
  }
}
@media screen and (max-width: 600px) {
  .toc-container {
    padding: 1rem 0.5rem;
    font-size: 0.95rem;
    border-radius: 8px;
  }
}