.ai-page{
  padding-bottom:24px;
}
.ai-intro{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:64px;
  align-items:center;
  padding-top:64px;
  padding-bottom:56px;
}
.ai-intro>*{
  min-width:0;
}
.ai-intro h1{
  margin-top:24px;
}
.ai-lead{
  margin-top:24px;
  color:var(--muted);
  font-size:18px;
  line-height:1.8;
}
.ai-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.ai-entry-note{
  margin-top:18px;
  color:var(--muted);
  font-size:13px;
}
.ai-route-sheet{
  background:var(--panel);
}
.ai-sheet-body{
  padding:28px;
}
.ai-sheet-label{
  color:var(--accent-dark);
  font-size:12px;
  letter-spacing:.06em;
}
.ai-path{
  margin-top:22px;
}
.ai-path>div{
  padding:16px 18px;
  background:var(--panel-2);
  border:1px solid var(--border);
  border-radius:var(--r-tile);
}
.ai-path>div:last-child{
  background:var(--accent-wash);
  border-color:var(--tint-30);
}
.ai-path strong,
.ai-path span:not(.ai-path-arrow){
  display:block;
}
.ai-path strong{
  font-size:15px;
  font-weight:650;
}
.ai-path span:not(.ai-path-arrow){
  margin-top:4px;
  color:var(--muted);
  font-size:13px;
}
.ai-path-arrow{
  display:block;
  padding-block:4px;
  text-align:center;
  color:var(--accent-dark);
}
.ai-sheet-note{
  margin-top:18px;
  color:var(--muted);
  font-size:12px;
}
.ai-facts{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  padding:24px;
  margin-bottom:40px;
  border:1px solid var(--border);
  border-radius:var(--r-window);
  background:var(--panel-2);
}
.ai-facts p{
  min-width:0;
}
.ai-facts strong,
.ai-facts span{
  display:block;
}
.ai-facts strong{
  font-size:17px;
  font-weight:650;
}
.ai-facts span{
  margin-top:5px;
  color:var(--muted);
  font-size:12px;
}
.ai-chapter+.ai-chapter{
  border-top:1px solid var(--border);
}
.ai-chapter .section-head>.tag{
  margin-bottom:16px;
}
.ai-reading{
  max-width:860px;
}
.ai-reading>:first-child{
  margin-top:0;
}
.ai-chapter .table-scroll+.ai-reading{
  margin-top:28px;
}
.ai-dev-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-bottom:28px;
}
.ai-dev-grid>*{
  min-width:0;
}
.ai-dev-grid h3{
  font-size:23px;
}
.ai-dev-grid p{
  margin-top:18px;
  color:var(--muted);
  line-height:1.9;
}
.ai-after-note{
  max-width:860px;
  margin-top:24px;
  color:var(--muted);
  line-height:1.9;
}
.ai-next-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
@media(max-width:960px){
  .ai-intro{
    gap:32px;
  }
  .ai-dev-grid{
    grid-template-columns:1fr;
  }
}
@media(max-width:768px){
  .ai-intro{
    grid-template-columns:1fr;
    padding-top:40px;
    padding-bottom:40px;
  }
  .ai-facts{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px 16px;
  }
}
@media(max-width:640px){
  .ai-intro{
    gap:32px;
  }
  .ai-lead{
    font-size:16px;
    margin-top:18px;
  }
  .ai-sheet-body{
    padding:20px;
  }
  .ai-facts{
    padding:20px;
    margin-bottom:28px;
  }
  .ai-facts strong{
    font-size:15px;
  }
  .ai-path>div{
    padding:14px;
  }
  .ai-next-links{
    align-items:flex-start;
    flex-direction:column;
  }
}