.md-header__title {
  color: #d7ebff !important;   /* 蓝色，可换 */
}
.md-typeset h1 {
  color: #1a237e;
}
.md-typeset h2 {
  color: #283593;
}

.md-typeset h3 {
  color: #303f9f;
}
/* Navigation section titles */
.md-nav__title {
  color: #0d47a1;   /* 深蓝，强烈推荐 */
  font-weight: 600;
}
.md-nav__item--section > .md-nav__link--active {
  color: #1565c0;
}

/* ===== Navigation: top-level section titles ===== */
.md-nav__item--section > .md-nav__link {
  color: #0d47a1;
  font-weight: 600;
}

/* Active top-level section */
.md-nav__item--section > .md-nav__link--active {
  color: #1565c0;
}

/* Hover */
.md-nav__item--section > .md-nav__link:hover {
  color: #1976d2;
}

/* ===== Navigation: section subtitles (non-clickable) ===== */
.md-nav__title {
  color: #0d47a1;
  font-weight: 600;
}

/* ===== Force color for expandable nav section headers (e.g. "High Energy Physics Package Wikis") ===== */
.md-nav__item--section > label.md-nav__link,
.md-nav__item--section > a.md-nav__link {
  color: #0d47a1 !important;
  font-weight: 600;
}

/* GM95 example gallery: keep 3 columns equal width even when one image is missing */
.md-typeset table.gm95-grid {
  width: 100%;
  table-layout: fixed;
}

.md-typeset table.gm95-grid col {
  width: 33.333%;
}

.md-typeset table.gm95-grid td,
.md-typeset table.gm95-grid th {
  vertical-align: top;
}

.md-typeset table.gm95-grid img {
  display: block;
  width: 100%;
  height: auto;
}

.md-typeset a.gm95-imglink {
  display: block;
}

.md-typeset a.gm95-imglink:hover img {
  filter: brightness(0.98);
}

.md-typeset .gm95-missing {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px dashed #b0bec5;
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: #607d8b;
  font-size: 0.85rem;
}

/* GM95 YAML table: full width with 4:6 column split */
.md-typeset table.gm95-yaml-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  border: 1px solid #c7d2e2;
  background: #ffffff;
}

.md-typeset table.gm95-yaml-table col:first-child {
  width: 40%;
}

.md-typeset table.gm95-yaml-table col:last-child {
  width: 60%;
}

.md-typeset table.gm95-yaml-table th,
.md-typeset table.gm95-yaml-table td {
  border: 1px solid #d7dfeb;
  padding: 0.55rem 0.75rem;
}

.md-typeset table.gm95-yaml-table th {
  text-align: left;
  font-weight: 600;
  background: repeating-linear-gradient(
    -45deg,
    #edf3ff 0,
    #edf3ff 8px,
    #e6efff 8px,
    #e6efff 16px
  );
}

.md-typeset table.gm95-yaml-table tbody tr:nth-child(even) td {
  background: #f7f9fc;
}

.md-typeset table.gm95-yaml-table tbody tr:hover td {
  background: #edf4ff;
}