.breadcrumbs { margin: 26px 0; font-size: 14px; line-height: 1.7; color: var(--muted); }
.breadcrumbs a, .guide-content a, .guide-related a, .guide-links a { text-decoration: underline; text-underline-offset: 4px; }
.guide-hero { display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 48px; padding: 22px 0 56px; }
.guide-hero h1 { font-size: clamp(2.3rem, 4.3vw, 3.8rem); line-height: 1.12; text-wrap: balance; }
.guide-hero .eyebrow { line-height: 1.7; }
.guide-intro { font-size: 19px; line-height: 1.75; max-width: 58ch; }
.guide-small { color: var(--muted); font-size: 14px; line-height: 1.65; }
.guide-preview { min-width: 0; margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.guide-preview img { display: block; width: 100%; height: auto; }
.guide-preview figcaption { margin-top: 16px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.guide-content { max-width: 78ch; margin-inline: auto; font-size: 17px; line-height: 1.85; }
.guide-content section { margin-bottom: 42px; }
.guide-content h2, .guide-related h2 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.3; margin: 0 0 20px; letter-spacing: -.02em; }
.guide-content li { margin-block: 12px; }
.guide-content code { overflow-wrap: anywhere; }
.guide-pairs { border-block: 1px solid var(--line); }
.guide-pairs > div { padding: 16px 0; }
.guide-pairs > div + div { border-top: 1px solid var(--line); }
.guide-pairs dt { color: var(--muted); }
.guide-pairs dd { margin: 5px 0 0; font-weight: 700; }
.guide-table { max-width: 100%; overflow-x: auto; }
.guide-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.guide-table caption { text-align: left; margin-bottom: 12px; color: var(--muted); }
.guide-table th, .guide-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--line); }
.guide-note { padding: 26px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.guide-related { padding-block: 48px; }
.guide-related ul { display: flex; flex-wrap: wrap; gap: 16px 32px; padding: 0; list-style: none; line-height: 1.7; }
.guide-links { padding-block: 44px; border-top: 1px solid var(--line); }
.guide-links ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; list-style: none; padding: 0; line-height: 1.7; }
.guide-links li { padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.guide-links li p { margin: 10px 0 0; color: var(--muted); }
.guide-faq { max-width: 850px; margin-bottom: 48px; }
.guide-faq h2 { margin-bottom: 24px; }
.guide-faq details { border-bottom: 1px solid var(--line); padding: 18px 0; line-height: 1.75; }
.guide-faq summary { cursor: pointer; font-weight: 650; }
.guide-faq a { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 760px) {
  .guide-hero { grid-template-columns: 1fr; gap: 26px; padding-top: 10px; }
  .guide-preview { max-width: 400px; width: 100%; justify-self: center; }
  .guide-nav { gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
  .guide-nav a { display: block; padding-block: 6px; }
  .guide-nav a:first-child { display: none; }
  .guide-intro { font-size: 17px; }
  .guide-content { font-size: 16px; }
  .guide-content ul, .guide-content ol { padding-left: 24px; }
  .guide-note { padding: 20px; }
  .guide-table th, .guide-table td { padding: 10px 6px; font-size: 13px; }
  .guide-links ul { grid-template-columns: 1fr; }
}