.guide-page main.guide {
  padding: 28px 0 80px;
  max-width: 820px;
}
.guide .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 18px;
  color: var(--muted);
  font-size: 13px;
}
.guide .crumbs a { text-decoration: none; color: #86efac; }
.guide .crumbs span { color: #64748b; }
.guide h1 {
  margin: 8px 0 16px;
  font-size: clamp(32px, 6vw, 48px);
  letter-spacing: -0.04em;
  line-height: 1.18;
}
.guide > .lead {
  font-size: 18px;
  line-height: 1.7;
  max-width: 38em;
}
.guide-prose { margin: 36px 0 8px; }
.guide-prose h2 {
  margin: 32px 0 12px;
  font-size: 22px;
  letter-spacing: -0.03em;
}
.guide-prose h3 {
  margin: 22px 0 8px;
  font-size: 17px;
}
.guide-prose p,
.guide-prose li { color: var(--muted); max-width: 42em; }
.guide-prose p { margin: 0 0 14px; }
.guide-prose ol,
.guide-prose ul { margin: 0 0 18px; padding-left: 1.2em; }
.guide-prose li { margin: 0 0 8px; }
.guide-prose a { color: #6ee7b7; }
.guide-prose strong { color: var(--ink); font-weight: 650; }
.guide-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 8px;
}
.guide-card {
  display: block;
  padding: 20px 18px 18px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.guide-card:hover { border-color: rgba(16, 185, 129, 0.4); }
.guide-card h2 {
  margin: 6px 0 8px;
  font-size: 20px;
  letter-spacing: -0.03em;
}
.guide-card p:last-child { margin: 0; color: var(--muted); }
.guide-table {
  width: 100%;
  margin: 8px 0 20px;
  border-collapse: collapse;
  font-size: 15px;
}
.guide-table th,
.guide-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.guide-table th { color: #cbd5e1; font-weight: 600; }
.guide-table td { color: var(--muted); }
.guide-related {
  margin: 40px 0 0;
  padding: 20px 20px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.guide-related h2 { margin: 0 0 10px; font-size: 18px; }
.guide-related ul { margin: 0 0 12px; padding-left: 1.1em; }
.guide-related a { color: #6ee7b7; }
.guide-foot-links {
  margin: 28px 0 0;
  color: #94a3b8;
  font-size: 14px;
}
.guide-foot-links a { color: #86efac; text-decoration: none; }
@media (max-width: 820px) {
  .guide-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .guide-page main.guide { padding: 16px 0 64px; }
  .guide h1 { font-size: 30px; }
  .guide > .lead { font-size: 16px; }
  .guide-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}