.ai-intro{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;align-items:center;position:relative}
.ai-intro>*{min-width:0}
.ai-intro h1{max-width:12em}
.ai-subtitle{margin:24px 0 0;font-size:20px;color:var(--text-muted)}
.ai-scope{box-shadow:var(--sh-win)}
.ai-scope>.row{margin-bottom:20px;flex-wrap:nowrap;align-items:flex-start}
.ai-scope>.row img{flex:none}
.ai-scope p{color:var(--text-muted);font-size:15px}
.ai-facts{list-style:none;padding:0;margin:24px 0 18px;border-top:1px solid var(--border)}
.ai-facts li{display:flex;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px;border-bottom:1px solid var(--border-soft);font-size:13px}
.ai-facts li>span{color:var(--text-muted);flex:none}
.ai-facts strong{text-align:right;overflow-wrap:anywhere}
.ai-scope .ai-note{margin:0;font-size:12px}
.ai-document{padding-top:32px}
.ai-chapter+.ai-chapter{margin-top:80px}
.ai-chapter .section-head>.tag{margin-bottom:16px}
.ai-chapter .card p,.ai-chapter .panel p{color:var(--text-muted);line-height:1.85}
.ai-chapter .card p:last-child,.ai-chapter .panel p:last-child{margin-bottom:0}
.ai-chapter .card a,.ai-chapter .panel a,.ai-chapter .callout a{color:var(--accent-dark)}
.ai-chapter>.callout{margin-top:28px}
.ai-chapter .data-table td{line-height:1.8}
@media(max-width:1000px){
  .ai-intro{gap:32px;grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:768px){
  .ai-intro{grid-template-columns:1fr;gap:32px}
  .ai-subtitle{font-size:18px;margin-top:18px}
  .ai-chapter+.ai-chapter{margin-top:48px}
  .ai-document{padding-top:24px}
}
@media(max-width:640px){
  .ai-chapter .grid-2{grid-template-columns:1fr}
  .ai-facts li{gap:12px;flex-wrap:wrap}
  .ai-facts strong{text-align:left}
}