.ai-intro{
  padding-top:64px;
  padding-bottom:56px;
}
.ai-intro-in{
  text-align:center;
}
.ai-intro h1{
  margin:24px 0 0;
}
.ai-title-second{
  color:var(--accent);
}
.ai-intro-desc{
  max-width:690px;
  margin:24px auto 0;
  font-size:18px;
  color:var(--muted);
}
.ai-trust{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px 24px;
  margin-top:24px;
  font-size:14px;
  color:var(--muted);
}
.ai-route-board{
  max-width:940px;
  margin:40px auto 0;
  text-align:left;
}
.ai-route-heading{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
.ai-route-heading svg{
  color:var(--accent);
}
.ai-route-heading p{
  flex:1;
  min-width:180px;
  font-weight:var(--weight-medium);
}
.ai-route-label{
  padding:6px 12px;
  background:var(--apricot);
  border-radius:var(--r-tag);
  font-size:13px;
}
.ai-checkpoints{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin:24px 0 0;
  padding:0;
  list-style:none;
}
.ai-checkpoints li{
  min-width:0;
  padding:18px;
  background:var(--panel-2);
  border-radius:var(--r-sm);
  box-shadow:var(--edge-hi);
}
.ai-checkpoints strong{
  display:block;
  margin-bottom:8px;
  font-weight:var(--weight-medium);
}
.ai-checkpoints span{
  display:block;
  font-size:14px;
  color:var(--muted);
}
.ai-board-foot{
  margin-top:20px;
  font-size:13px;
  color:var(--muted);
}
.ai-document{
  padding-top:32px;
}
.ai-reading{
  max-width:900px;
  margin-inline:auto;
}
.ai-reading h2{
  margin:12px 0 24px;
}
.ai-reading .prose{
  max-width:none;
}
.ai-section-head{
  max-width:820px;
  margin-bottom:28px;
}
.ai-section-head h2{
  margin:12px 0 20px;
}
.ai-context-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:24px;
}
.ai-context-grid>*{
  min-width:0;
}
.ai-context-grid h3{
  margin:0 0 16px;
}
.ai-context-grid p{
  color:var(--muted);
}
.ai-dev-layout{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.ai-dev-layout>*{
  min-width:0;
}
.ai-dev-layout h3{
  margin:0 0 20px;
}
.ai-dev-layout p{
  color:var(--muted);
}
.ai-dev-layout p:last-child{
  margin-bottom:0;
}
.ai-ci-note{
  grid-column:1 / -1;
  max-width:none;
}
.ai-faq-intro{
  margin-bottom:24px;
}
.ai-resource-links{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:28px;
}
.ai-related{
  margin-top:24px;
  font-size:14px;
}
.ai-related a{
  text-decoration:underline;
  text-underline-offset:4px;
}
@media(max-width:768px){
  .ai-intro{
    padding-top:40px;
    padding-bottom:40px;
  }
  .ai-intro-desc{
    font-size:16px;
  }
  .ai-route-board{
    margin-top:32px;
  }
  .ai-checkpoints{
    grid-template-columns:1fr;
    gap:12px;
  }
  .ai-context-grid,.ai-dev-layout{
    grid-template-columns:1fr;
  }
  .ai-ci-note{
    grid-column:auto;
  }
  .ai-route-heading p{
    min-width:0;
    flex-basis:calc(100% - 40px);
  }
  .ai-route-label{
    margin-left:40px;
  }
  .ai-document{
    padding-top:24px;
  }
}
@media(max-width:640px){
  .ai-trust{
    gap:8px 16px;
    font-size:13px;
  }
  .ai-intro .cta-row{
    gap:12px;
  }
  .ai-intro .cta-row .btn{
    padding-inline:20px;
  }
}