.deepdoc-hero{
  padding-top:clamp(76px,10vw,128px);
  padding-bottom:clamp(54px,8vw,96px);
}
.deepdoc-heading{
  max-width:760px;
  margin-inline:auto;
  text-align:center;
}
.deepdoc-heading .lead{
  margin-top:22px;
}
.deepdoc-heading .button-row{
  justify-content:center;
  margin-top:28px;
}
.manual-scope{
  display:grid;
  grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);
  align-items:start;
  gap:clamp(24px,5vw,64px);
  margin-top:clamp(48px,7vw,84px);
}
.manual-scope h2{
  margin-top:7px;
  font-size:clamp(23px,2.5vw,31px);
}
.manual-scope p{
  color:var(--color-ink-muted);
}
.manual-scope a{
  color:var(--color-brand-deep);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
.manual-scope-label{
  color:var(--color-brand-deep);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
}
.manual-directory{
  padding-top:clamp(52px,7vw,88px);
  padding-bottom:clamp(52px,7vw,88px);
  border-top:1px solid var(--color-line);
  border-bottom:1px solid var(--color-line);
}
.manual-directory .section-head{
  margin-bottom:30px;
}
.manual-directory .toc{
  position:relative;
}
.manual-content{
  padding-top:clamp(66px,9vw,112px);
}
.manual-chapter{
  position:relative;
  scroll-margin-top:calc(var(--header-height) + 28px);
  padding:clamp(28px,5vw,54px);
  border:1px solid var(--color-line);
  border-radius:var(--radius-section);
  background:var(--color-surface);
  box-shadow:var(--shadow-panel);
}
.manual-chapter+.manual-chapter{
  margin-top:clamp(64px,9vw,112px);
}
.manual-chapter:nth-child(even){
  background:var(--color-surface-soft);
}
.manual-chapter>h2{
  margin-top:8px;
}
.manual-chapter>h3{
  padding-top:4px;
}
.manual-chapter pre{
  margin-top:1.35em;
  margin-bottom:1.35em;
}
.manual-chapter .callout{
  margin-top:1.5em;
  margin-bottom:1.5em;
}
.manual-chapter .table-scroll{
  margin-top:1.4em;
  margin-bottom:1.4em;
  border-radius:var(--radius-md);
}
.chapter-index{
  display:inline-flex;
  max-width:100%;
  padding:5px 10px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-pill);
  background:var(--color-brand-soft);
  color:var(--color-brand-deep);
  font-size:11px;
  letter-spacing:.06em;
}
.manual-end{
  padding-top:clamp(64px,9vw,112px);
  padding-bottom:0;
}
.manual-end .download-guide{
  margin-top:0;
}
@media(max-width:768px){
  .manual-scope{
    grid-template-columns:1fr;
  }
  .manual-chapter{
    padding:24px 20px;
    border-radius:var(--radius-lg);
  }
}
@media(max-width:640px){
  .deepdoc-heading{
    text-align:left;
  }
  .deepdoc-heading .button-row{
    justify-content:flex-start;
  }
  .manual-directory .toc{
    margin-inline:0;
  }
  .manual-chapter{
    padding:22px 18px;
  }
}