.guide-copy{max-width:78ch;font-size:16px;line-height:1.8}
  .guide-copy p{margin:12px 0}
  .guide-copy h2{font-size:21px;line-height:1.35;scroll-margin-top:100px}
  .guide-copy a{text-decoration:underline;text-underline-offset:3px}
  .guide-meta{margin:16px 0;color:var(--muted);font-size:13px}
  .guide-toc{max-width:78ch;padding:18px 22px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
  .guide-toc h2{font-size:16px;margin-bottom:8px}
  .guide-toc ol{padding-left:20px}
  .guide-toc li{margin:7px 0}
  .guide-toc a{display:inline-block;min-height:28px}
  .guide-reading{border-top:1px solid var(--line);padding-top:20px}
  .guide-reading ul{padding-left:20px}
  .guide-reading li{margin:9px 0}
  @media(max-width:640px){.guide-copy{font-size:15px}.guide-copy h2{font-size:19px;scroll-margin-top:180px}.guide-toc{padding:16px}}