.co-ai-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.25rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

.co-ai-guide-doc {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

.co-ai-guide-doc__eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0d9488;
}

.co-ai-guide-doc__head h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  line-height: 1.25;
  color: #0f172a;
}

.co-ai-guide-doc__meta {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: #64748b;
}

.co-ai-guide-doc__lead {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.55;
  color: #334155;
}

.co-ai-guide-toc {
  margin: 0 0 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: 10px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}

.co-ai-guide-toc__title {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #0f766e;
}

.co-ai-guide-toc ol {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.co-ai-guide-toc a {
  color: #0f766e;
  font-weight: 600;
  text-decoration: none;
}

.co-ai-guide-toc a:hover {
  text-decoration: underline;
}

.co-ai-guide-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #f1f5f9;
}

.co-ai-guide-section:last-of-type {
  border-bottom: none;
}

.co-ai-guide-section h2 {
  margin: 0 0 0.65rem;
  font-size: 1.0625rem;
  color: #0f4c5c;
}

.co-ai-guide-section p {
  margin: 0 0 0.65rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #334155;
}

.co-ai-guide-list {
  margin: 0;
  padding-left: 1.2rem;
}

.co-ai-guide-list li {
  margin-bottom: 0.45rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: #334155;
}

.co-ai-guide-doc__foot {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
  font-size: 0.875rem;
  color: #64748b;
}

.co-ai-guide-doc__foot a {
  color: #0d9488;
  font-weight: 600;
}

.co-ai-guide-doc__version {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
}

.co-ai-guide-aside__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.co-ai-guide-checklist__list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #475569;
}

.co-ai-guide-checklist__list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.5rem;
}

.co-ai-guide-checklist__list li::before {
  content: "☐";
  position: absolute;
  left: 0;
  color: #0d9488;
}

@media (max-width: 900px) {
  .co-ai-guide {
    grid-template-columns: 1fr;
  }

  .co-ai-guide-aside {
    order: -1;
  }
}

@media print {
  body.co-ai-guide-page .company-topbar,
  body.co-ai-guide-page .company-hero,
  body.co-ai-guide-page .co-ai-guide-aside,
  body.co-ai-guide-page .no-print {
    display: none !important;
  }

  .co-ai-guide {
    display: block;
    padding: 0;
    max-width: none;
  }

  .co-ai-guide-doc {
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .co-ai-guide-toc {
    background: #f8fafc;
    border-color: #cbd5e1;
  }

  .co-ai-guide-section {
    break-inside: avoid-page;
  }

  .co-ai-guide-section a {
    color: #000;
    text-decoration: none;
  }
}