.guide-shell {
  width: min(calc(100% - 40px), 800px);
  margin-inline: auto;
  padding-block: 64px 96px;
}

.guide-heading nav,
.guide-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.guide-heading .eyebrow { margin-top: 44px; color: var(--primary); }
.guide-heading h1 { font-size: clamp(2.25rem, 6vw, 3.7rem); line-height: 1.08; }
.guide-lede { margin-block: 24px; font-size: 1.15rem; }
.guide-shell p,
.guide-shell li { color: var(--muted-strong); line-height: 1.8; }
.guide-shell strong { color: var(--text); }
.guide-shell a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.guide-shell p { margin-block: 16px; }
.guide-shell li { margin-block: 10px; }
.guide-shell ul { padding-left: 24px; }
.guide-shell section { padding-top: 52px; }
.guide-shell h2 { font-size: clamp(1.6rem, 4vw, 2rem); letter-spacing: -0.035em; }
.guide-shell h3 { margin-top: 28px; font-size: 1.1rem; }
.guide-shell code { font-family: var(--mono); font-size: 0.85em; overflow-wrap: anywhere; }

.guide-shell pre {
  margin-block: 20px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-elevated);
  color: var(--text);
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.guide-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 32px;
  padding-block: 22px;
  border-block: 1px solid var(--line);
  font-size: 0.88rem;
}

.guide-note {
  margin-block: 24px;
  padding: 20px 24px;
  border-left: 3px solid var(--primary);
  background: var(--surface);
  color: var(--muted-strong);
  line-height: 1.8;
}

.guide-table { overflow-x: auto; margin-block: 24px; }
.guide-table table { width: 100%; border-collapse: collapse; }
.guide-table th,
.guide-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.guide-table th { color: var(--primary); }
.guide-table td { color: var(--muted-strong); }

@media (max-width: 760px) {
  .guide-shell { width: min(calc(100% - 28px), 800px); padding-top: 36px; }
  .guide-shell pre { padding: 16px; }
  .guide-table th,
  .guide-table td { padding: 12px 8px; }
  .site-header .text-link { font-size: 0.8rem; }
}