.ai-guide{padding-top:48px;padding-bottom:var(--space-section)}
.ai-opening{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:center;padding-top:24px;padding-bottom:56px}
.ai-opening>*{min-width:0}
.ai-opening h1{margin-top:20px;font-size:clamp(52px,4.5vw,var(--fs-h1)))}
.ai-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.ai-opening__lead{max-width:36em;font-size:var(--fs-lead);line-height:1.8;margin-bottom:18px}
.ai-opening__copy>.muted{font-size:var(--fs-sm);line-height:1.8;max-width:44em}
.ai-route-note{background:linear-gradient(145deg,var(--panel),var(--apricot-soft));box-shadow:inset 0 1px 0 var(--hl),0 24px 60px -24px var(--shadow-coral-pass)}
.ai-route-note__bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:24px;color:var(--muted)}
.ai-route-note__bar .preview-mono{font-size:var(--fs-xs);overflow-wrap:anywhere}
.ai-route-note h2{font-size:var(--fs-h3);line-height:1.4}
.ai-check-path{list-style:none;padding:0;margin:0 0 24px}
.ai-check-path li{position:relative;padding-left:24px;padding-bottom:20px;border-left:1px solid var(--border-strong);margin-left:5px}
.ai-check-path li:last-child{padding-bottom:0;border-left-color:var(--clear)}
.ai-check-path li::before{content:"";position:absolute;left:-5px;top:7px;width:9px;height:9px;border-radius:var(--r-circle);background:var(--accent);box-shadow:0 0 0 4px var(--apricot-soft)}
.ai-check-path strong{display:block;font-size:var(--fs-body);font-weight:var(--weight-semibold)}
.ai-check-path span{display:block;margin-top:4px;font-size:var(--fs-sm);color:var(--muted)}
.ai-route-note>p{font-size:var(--fs-sm);line-height:1.8}
.ai-chapter{padding-top:32px;padding-bottom:40px}
.ai-chapter--last{padding-bottom:0}
.ai-chapter .prose{max-width:900px}
.ai-chapter>.prose>h3:first-child{margin-top:0}
.ai-dual{grid-template-columns:repeat(2,minmax(0,1fr))}
.ai-dual h3{margin-top:20px}
.ai-dual p{color:var(--muted);line-height:1.85}
.ai-dual p+p{margin-top:16px}
.ai-followup{margin-top:24px}
.ai-tool-table{min-width:860px}
.ai-tool-table th[scope="row"]{background:var(--panel);font-weight:var(--weight-bold)}
.ai-tool-table td{line-height:1.8}
.ai-tool-table th:first-child{width:14%}
.ai-tool-table th:nth-child(2){width:20%}
.ai-tool-table th:nth-child(3){width:33%}
.ai-tool-table th:nth-child(4){width:33%}
.ai-next-links{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:24px}
.ai-policy-link{display:inline-flex;align-items:center;min-height:44px;color:var(--link);font-size:var(--fs-sm);text-decoration:underline;text-underline-offset:4px}
@media(max-width:1000px){
  .ai-opening{gap:28px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
}
@media(max-width:768px){
  .ai-guide{padding-top:24px}
  .ai-opening{grid-template-columns:minmax(0,1fr);padding-top:8px;padding-bottom:32px}
  .ai-opening h1{font-size:var(--fs-mobile-h1)}
  .ai-dual{grid-template-columns:minmax(0,1fr)}
  .ai-chapter{padding-top:24px;padding-bottom:24px}
}