.guide-topic-nav { margin: 28px 0 36px; padding: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); scroll-margin-top: 100px; }
.guide-topic-nav h2 { margin: 0 0 8px; font-size: clamp(1.25rem, 3vw, 1.65rem); }
.guide-topic-nav p { margin: 0 0 16px; color: var(--muted); }
.guide-topic-nav ul { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.guide-topic-nav a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); color: var(--ink); text-decoration: none; font-weight: 650; }
.guide-topic-nav a:hover { border-color: var(--green); color: var(--green); }
.guide-topic-nav a:focus-visible, .guide-topic a:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.guide-topic-nav a span { font-size: .82em; color: var(--muted); }
.guide-topic { margin: 44px 0; scroll-margin-top: 110px; }
.guide-topic-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.guide-topic-heading h2 { margin: 0; font-size: clamp(1.5rem, 3.5vw, 2rem); }
.guide-topic-heading a { color: var(--green); font-size: .9rem; }
.guide-topic .guide-index-grid h3 { margin: 0 0 12px; font-size: 28px; line-height: 1.12; letter-spacing: -.02em; }
.guide-topic .guide-index-grid h3 a { color: #fff; text-decoration: none; }
.guide-topic .guide-index-grid h3 a:hover { text-decoration: underline; }
@media (max-width: 600px) {
  .guide-topic-nav { padding: 18px; }
  .guide-topic-nav ul { display: grid; grid-template-columns: 1fr; }
  .guide-topic-nav a { display: flex; justify-content: space-between; }
  .guide-topic .guide-index-grid h3 { font-size: 21px; }
}