.ai-intro{
  background:linear-gradient(180deg,var(--transparent),var(--bg-sink));
  border-bottom:1px solid var(--border);
  border-radius:0 0 var(--r-band) var(--r-band);
}
.ai-intro .section-heading{
  margin-bottom:24px;
}
.ai-intro .section-heading p{
  max-width:680px;
  margin-inline:auto;
}
.ai-signup-note{
  text-align:center;
  font-size:13px;
  color:var(--muted);
  margin-top:14px;
}
.ai-facts{
  justify-content:center;
  margin-top:24px;
}
.ai-guide{
  padding-top:40px;
  padding-bottom:80px;
}
.ai-chapter{
  padding-top:40px;
  padding-bottom:24px;
}
.ai-chapter + .ai-chapter{
  border-top:1px solid var(--border);
}
.ai-chapter.prose > h2,
.ai-chapter > .prose > h2{
  margin-top:0;
}
.ai-chapter .table-scroll{
  margin-top:24px;
  margin-bottom:24px;
}
.ai-chapter .data-table{
  min-width:900px;
}
.ai-chapter .data-table tbody th{
  background:var(--bg-panel);
  font-size:14px;
}
.ai-chapter .data-table td{
  color:var(--muted);
}
.ai-faq{
  max-width:800px;
  margin-inline:auto;
  margin-top:24px;
  margin-bottom:24px;
}
@media(max-width:768px){
  .ai-guide{
    padding-top:24px;
    padding-bottom:56px;
  }
  .ai-chapter{
    padding-top:32px;
    padding-bottom:20px;
  }
}