.ai-intro{
  padding-top:56px;
  padding-bottom:64px;
  background:linear-gradient(180deg,var(--hero-top),var(--hero-bottom));
  border-bottom:1px solid var(--border);
}
.ai-intro__layout{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  align-items:center;
  gap:64px;
}
.ai-intro__trust{
  margin-top:20px;
  color:var(--text-muted);
  font-size:var(--size-small);
  line-height:1.85;
}
.ai-checklist{
  border:1px solid var(--border-soft);
  box-shadow:var(--shadow-float);
}
.ai-checklist__bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-bottom:20px;
  border-bottom:1px solid var(--border);
  color:var(--text-muted);
  font-size:var(--size-small);
}
.ai-checklist__rows{
  display:grid;
  gap:12px;
  margin-top:20px;
}
.ai-checklist__rows li{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:16px;
  border:1px solid var(--border-soft);
  border-radius:var(--r-md);
  background:var(--paper);
}
.ai-checklist__rows li:first-child{
  border-color:var(--accent);
  box-shadow:var(--shadow-pick);
}
.ai-checklist__rows p{
  margin-top:6px;
  color:var(--text-muted);
  font-size:var(--size-small);
  line-height:1.75;
}
.ai-checklist__note{
  margin-top:20px;
  color:var(--text-muted);
  font-size:var(--size-small);
  line-height:1.85;
}
.ai-document{
  max-width:1180px;
}
.ai-chapter{
  padding-top:48px;
}
.ai-chapter h2{
  margin-top:0;
  margin-bottom:24px;
}
.ai-chapter__lead{
  max-width:78ch;
  margin-bottom:24px;
  color:var(--text-muted);
  line-height:1.85;
}
.ai-chapter .prose{
  max-width:84ch;
}
.ai-chapter .grid-three p{
  line-height:1.85;
}
.ai-related{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:24px;
}
.ai-related a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-weight:600;
}
.ai-next{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  margin-top:32px;
}
.ai-next h3{
  margin-top:0;
  margin-bottom:12px;
}
.ai-next p{
  max-width:38em;
  line-height:1.85;
}
.ai-next__links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex-shrink:0;
}
@media(max-width:1080px){
  .ai-intro__layout{
    gap:32px;
  }
  .ai-next{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media(max-width:768px){
  .ai-intro{
    padding-top:28px;
    padding-bottom:40px;
  }
  .ai-intro__layout{
    grid-template-columns:minmax(0,1fr);
    gap:36px;
  }
  .ai-chapter{
    padding-top:36px;
  }
  .ai-next__links{
    flex-shrink:1;
    width:100%;
  }
}