.manual-intro{
  background:linear-gradient(160deg,var(--bg-top),var(--peach),var(--bg));
}
.manual-intro h1{
  margin:24px 0;
  font-size:clamp(40px,4.5vw,60px);
}
.manual-intro a{
  color:var(--accent-dark);
  text-decoration:underline;
  text-underline-offset:4px;
}
.manual-intro__lead{
  margin-bottom:24px;
  font-size:21px;
  color:var(--ink-2);
}
.manual-intro__facts{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:26px;
}
.manual-intro__note{
  margin:26px 0 0;
  font-size:14px;
  color:var(--muted);
}
.manual-document{
  padding-bottom:72px;
}
.manual-document .toc-tabs a{
  text-decoration:none;
}
.manual-chapter{
  max-width:var(--reading);
  min-width:0;
  margin-inline:auto;
  padding-top:16px;
  padding-bottom:32px;
}
.manual-chapter h2{
  margin-bottom:28px;
}
.manual-chapter h3{
  font-size:23px;
}
.manual-chapter>p{
  margin-bottom:24px;
}
.manual-chapter .table-scroll{
  margin-block:30px;
}
.manual-next{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  margin-top:36px;
}
.manual-document .manual-next .btn{
  text-decoration:none;
}
.manual-next__guide{
  display:inline-flex;
  align-items:center;
  min-height:44px;
}
@media(max-width:768px){
  .manual-intro h1{
    font-size:clamp(28px,5.2vw,40px);
  }
  .manual-intro__lead{
    font-size:19px;
  }
}
@media(max-width:640px){
  .manual-document{
    padding-bottom:48px;
  }
  .manual-chapter{
    padding-top:8px;
    padding-bottom:20px;
  }
  .manual-chapter h3{
    font-size:21px;
  }
}