.nodes-intro{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);align-items:center;gap:clamp(24px,5vw,80px);padding-top:76px;padding-bottom:76px}
.nodes-intro-copy{min-width:0}
.nodes-intro h1{margin:16px 0 22px;color:var(--accent-dark)}
.nodes-lede{max-width:690px;margin:0;color:var(--text-muted);font-size:19px;line-height:1.85}
.nodes-intro .fact-line{margin-top:26px}
.nodes-actions{justify-content:flex-start;margin-top:28px}
.nodes-guide{padding:28px}
.nodes-guide .badge{margin-bottom:16px}
.guide-row{display:flex;gap:16px;align-items:flex-start;padding:17px 0;border-top:1px solid var(--border)}
.guide-mark{display:grid;place-items:center;width:36px;height:36px;flex-shrink:0;border-radius:var(--r-inner);background:var(--bg-panel2);color:var(--accent-dark);font-family:var(--font-mono);font-weight:700}
.guide-row strong{display:block;color:var(--text)}
.guide-row p{margin:3px 0 0;color:var(--text-muted);font-size:14px}
.nodes-document{padding-bottom:32px}
.nodes-document .toc-tabs{margin-bottom:8px}
.nodes-document .sec{border-bottom:1px solid var(--border)}
.nodes-document .sec:last-child{border-bottom:0}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}
.section-heading > *{min-width:0}
.section-heading h2{margin:8px 0 0;color:var(--accent-dark)}
.section-heading > p{max-width:470px;margin:0;color:var(--text-muted)}
.region-heading{margin:32px 0 12px;font-size:22px}
.region-note{max-width:900px;margin:14px 0 28px;color:var(--text-muted);line-height:1.85}
.table-scroll table{min-width:720px}
.table-scroll td:last-child{min-width:240px}
.type-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.type-card{padding:28px}
.type-label{display:inline-flex;align-items:center;min-height:28px;padding:3px 12px;border-radius:var(--r-pill);background:var(--bg-panel2);color:var(--accent-dark);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em}
.type-card h3{margin:17px 0 14px}
.type-card p{color:var(--text-muted);line-height:1.85}
.type-card p:last-child{margin-bottom:0}
.use-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.use-card{min-width:0;padding:26px;border:1px solid var(--line-soft);border-radius:var(--r-card);background:var(--bg-panel);box-shadow:0 16px 36px -22px var(--iris-a28),inset 0 1px 0 var(--white-a90)}
.use-card h3{margin:0 0 12px;color:var(--accent-dark)}
.use-card p{margin:0;color:var(--text-muted);line-height:1.85}
.verify-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.7fr);gap:30px;align-items:start}
.verify-copy p{line-height:1.95}
.verify-copy a,.verify-link{color:var(--accent-dark);font-weight:650;text-decoration:underline;text-underline-offset:4px}
.verify-aside{padding:26px}
.verify-aside h3{margin:0 0 16px}
.verify-aside ul{display:grid;gap:10px;margin-bottom:24px}
.verify-aside li{position:relative;padding-left:20px}
.verify-aside li::before{content:"";position:absolute;top:.7em;left:0;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.verify-aside p{color:var(--text-muted)}
.verify-link{display:inline-flex;align-items:center;min-height:32px}
@media(max-width:960px){
  .nodes-intro{grid-template-columns:1fr}
  .nodes-guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .nodes-guide .badge{grid-column:1/-1;margin-bottom:0;justify-self:start}
  .guide-row{border-top:1px solid var(--border)}
  .type-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nodes-intro{padding-top:48px;padding-bottom:48px}
  .section-heading{display:block}
  .section-heading > p{margin-top:14px}
  .verify-layout{grid-template-columns:1fr}
}
@media(max-width:640px){
  .nodes-lede{font-size:16px}
  .nodes-guide{grid-template-columns:1fr;padding:20px}
  .guide-row{padding:12px 0}
  .use-list{grid-template-columns:1fr}
  .nodes-actions .btn{flex:1 1 145px}
  .type-card,.use-card,.verify-aside{padding:22px}
}