/* AgentMeshOS 文档站视觉优化：强化章节、菜单和目录层级。 */
:root {
  --agentmesh-accent: #0f766e;
  --agentmesh-accent-soft: rgba(15, 118, 110, 0.1);
  --agentmesh-border: rgba(15, 23, 42, 0.1);
  --agentmesh-surface: rgba(248, 250, 252, 0.92);
}

[data-md-color-scheme="slate"] {
  --agentmesh-accent: #2dd4bf;
  --agentmesh-accent-soft: rgba(45, 212, 191, 0.14);
  --agentmesh-border: rgba(226, 232, 240, 0.14);
  --agentmesh-surface: rgba(15, 23, 42, 0.72);
}

.md-header {
  background: linear-gradient(135deg, #0f172a 0%, #164e63 58%, #0f766e 100%);
}

.md-header__title {
  font-weight: 800;
  letter-spacing: 0.01em;
}

.md-nav__title {
  color: var(--agentmesh-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.md-nav--primary > .md-nav__list > .md-nav__item--section > .md-nav__link {
  border: 1px solid var(--agentmesh-border);
  border-left: 4px solid var(--agentmesh-accent);
  border-radius: 0.5rem;
  background: var(--agentmesh-accent-soft);
  color: var(--md-default-fg-color);
  font-weight: 800;
  margin: 0.45rem 0 0.35rem;
  padding: 0.55rem 0.65rem;
}

.md-nav--primary .md-nav__item .md-nav__link {
  border-radius: 0.38rem;
  padding: 0.34rem 0.5rem;
}

.md-nav--primary .md-nav__item .md-nav__link:hover {
  background: var(--agentmesh-accent-soft);
  color: var(--agentmesh-accent);
}

.md-nav--primary .md-nav__link--active {
  color: var(--agentmesh-accent);
  font-weight: 800;
}

.md-sidebar--secondary .md-nav__title {
  border-left: 4px solid var(--agentmesh-accent);
  border-radius: 0.45rem;
  background: var(--agentmesh-accent-soft);
  color: var(--md-default-fg-color);
  font-size: 0.78rem;
  margin-bottom: 0.5rem;
  padding: 0.55rem 0.7rem;
}

.md-sidebar--secondary .md-nav__link {
  border-left: 2px solid transparent;
  padding-left: 0.65rem;
}

.md-sidebar--secondary .md-nav__link:hover,
.md-sidebar--secondary .md-nav__link--active {
  border-left-color: var(--agentmesh-accent);
  color: var(--agentmesh-accent);
}

.hero-panel {
  border: 1px solid var(--agentmesh-border);
  border-radius: 1rem;
  background:
    radial-gradient(circle at top right, rgba(20, 184, 166, 0.18), transparent 34%),
    linear-gradient(135deg, var(--agentmesh-surface), rgba(241, 245, 249, 0.58));
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  margin: 1.2rem 0 1.6rem;
  padding: 1.35rem 1.45rem;
}

.hero-panel h2 {
  margin-top: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.doc-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1rem 0 1.5rem;
}

.doc-card {
  border: 1px solid var(--agentmesh-border);
  border-radius: 0.85rem;
  background: var(--agentmesh-surface);
  padding: 1rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.doc-card:hover {
  border-color: var(--agentmesh-accent);
  box-shadow: 0 12px 30px rgba(15, 118, 110, 0.12);
  transform: translateY(-1px);
}

.doc-card h3 {
  color: var(--agentmesh-accent);
  margin: 0 0 0.45rem;
}

.doc-card p {
  margin-bottom: 0.7rem;
}

.doc-card-link {
  color: var(--agentmesh-accent);
  font-weight: 800;
}

@media screen and (max-width: 44.984rem) {
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    padding: 1rem;
  }
}