:root {
  --cai-accent: #0d5c63;
  --cai-accent-soft: #e6f3f4;
  --cai-text: #1f2933;
  --cai-muted: #52606d;
  --cai-border: #d9e2ec;
  --cai-surface: #f7fafc;
}

.wy-nav-content {
  max-width: 980px;
}

.rst-content h1,
.rst-content h2,
.rst-content h3 {
  color: var(--cai-text);
  letter-spacing: 0.01em;
}

.rst-content h1 {
  border-bottom: 3px solid var(--cai-accent);
  padding-bottom: 0.25rem;
  margin-bottom: 1rem;
}

.rst-content p {
  color: var(--cai-text);
  line-height: 1.7;
}

.rst-content .admonition,
.rst-content .note,
.rst-content .important {
  border-left: 4px solid var(--cai-accent);
  background: var(--cai-accent-soft);
}

.rst-content .feature-table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  margin: 1rem 0 1.25rem;
  border: 1px solid var(--cai-border);
  border-radius: 12px;
  overflow: hidden;
}

.rst-content .feature-table thead th {
  background: var(--cai-accent);
  color: #ffffff;
  padding: 0.8rem;
  text-align: left;
}

.rst-content .feature-table tbody tr:nth-child(odd) {
  background: #ffffff;
}

.rst-content .feature-table tbody tr:nth-child(even) {
  background: var(--cai-surface);
}

.rst-content .feature-table td {
  border-top: 1px solid var(--cai-border);
  padding: 0.85rem;
  vertical-align: top;
}

.rst-content figure img {
  border-radius: 12px;
  border: 1px solid var(--cai-border);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.rst-content .section {
  scroll-margin-top: 82px;
}

@media (max-width: 768px) {
  .wy-nav-content {
    padding: 1rem;
  }

  .rst-content .feature-table td,
  .rst-content .feature-table th {
    padding: 0.65rem;
  }
}