:root{
  --deepdoc-hero-gradient:linear-gradient(135deg,var(--color-hero-a),var(--color-hero-mid-a) 42%,var(--color-hero-mid-b) 72%,var(--color-hero-b));
  --deepdoc-hero-glow:radial-gradient(circle at 78% 18%,var(--color-glass-high),transparent 38%);
  --deepdoc-grid-line:var(--color-glass-line-soft);
  --deepdoc-chapter-line:linear-gradient(90deg,var(--color-accent),var(--color-border));
}
.manual-hero{
  position:relative;
  overflow:hidden;
  padding-top:clamp(72px,9vw,120px);
  padding-bottom:clamp(72px,9vw,120px);
  background:var(--deepdoc-hero-glow),var(--deepdoc-hero-gradient);
  color:var(--color-hero-text);
}
.manual-hero::before{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(var(--deepdoc-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--deepdoc-grid-line) 1px,transparent 1px);
  background-size:48px 48px;
  content:"";
  opacity:.22;
}
.manual-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(320px,.7fr);
  align-items:center;
  gap:clamp(40px,7vw,92px);
}
.manual-hero-copy{max-width:720px}
.manual-hero .eyebrow{color:var(--color-hero-muted)}
.manual-hero h1{
  max-width:820px;
  margin-bottom:24px;
  color:var(--color-hero-text);
  font-size:clamp(36px,4vw,48px);
}
.manual-intro{
  max-width:68ch;
  margin-bottom:28px;
  color:var(--color-hero-muted);
  font-size:clamp(17px,2vw,21px);
}
.manual-hero .pill{
  border-color:var(--color-glass-line-soft);
  background:var(--color-glass-low);
  color:var(--color-hero-text);
  backdrop-filter:blur(10px);
}
.manual-scope{
  overflow:hidden;
  border:1px solid var(--color-glass-line);
  border-radius:var(--radius-xl);
  background:var(--color-glass-low);
  box-shadow:var(--shadow-float);
  backdrop-filter:blur(18px);
}
.manual-scope-chrome{
  display:flex;
  min-height:44px;
  align-items:center;
  gap:7px;
  padding-inline:18px;
  border-bottom:1px solid var(--color-glass-line-soft);
}
.manual-scope-chrome i{
  width:9px;
  height:9px;
  border-radius:50%;
}
.manual-scope-chrome i:nth-child(1){background:var(--color-error)}
.manual-scope-chrome i:nth-child(2){background:var(--color-warning)}
.manual-scope-chrome i:nth-child(3){background:var(--color-success)}
.manual-scope > p{
  margin:24px 26px 12px;
  color:var(--color-hero-faint);
  font-size:12px;
  letter-spacing:.08em;
}
.manual-scope dl{margin:0;padding:0 26px 28px}
.manual-scope dl div{
  display:grid;
  grid-template-columns:100px minmax(0,1fr);
  gap:16px;
  padding-top:15px;
  padding-bottom:15px;
  border-bottom:1px solid var(--color-glass-line-soft);
}
.manual-scope dl div:last-child{border-bottom:0}
.manual-scope dt{
  color:var(--color-hero-faint);
  font-family:var(--font-mono);
  font-size:12px;
}
.manual-scope dd{margin:0;color:var(--color-hero-text)}
.manual-nav-section{
  padding-top:64px;
  padding-bottom:56px;
  border-bottom:1px solid var(--color-border);
  background:var(--color-panel-soft);
}
.manual-nav-section .section-head{margin-bottom:28px}
.manual-section-label{
  margin-bottom:14px;
  font-size:clamp(28px,3vw,38px);
}
.manual-toc{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.manual-toc a{font-family:var(--font-mono);font-size:12px}
.manual-body{
  padding-top:clamp(70px,9vw,118px);
  padding-bottom:clamp(80px,11vw,140px);
}
.manual-prose{
  max-width:920px;
}
.manual-chapter{
  scroll-margin-top:28px;
  padding-top:18px;
  padding-bottom:clamp(78px,10vw,128px);
}
.manual-chapter + .manual-chapter{
  padding-top:clamp(70px,9vw,112px);
  border-top:1px solid var(--color-border);
}
.manual-chapter::before{
  display:block;
  width:96px;
  height:3px;
  margin-bottom:22px;
  border-radius:var(--radius-pill);
  background:var(--deepdoc-chapter-line);
  content:"";
}
.chapter-index{
  margin-bottom:10px;
  color:var(--color-accent-dark);
  font-size:12px;
  font-weight:650;
  letter-spacing:.08em;
}
.manual-prose h2{
  margin-top:0;
  margin-bottom:28px;
  font-size:clamp(34px,4.4vw,52px);
}
.manual-prose h3{
  margin-top:2.2em;
  margin-bottom:.7em;
  font-size:clamp(23px,2.6vw,30px);
}
.manual-prose p{color:var(--color-muted)}
.manual-prose h2 + p,
.manual-prose h3 + p{color:var(--color-text)}
.manual-prose pre{margin-top:28px;margin-bottom:30px}
.manual-prose .data-table{
  display:block;
  max-width:100%;
  min-width:0;
  overflow-x:auto;
  margin-top:30px;
  margin-bottom:34px;
  border-radius:var(--radius-lg);
  -webkit-overflow-scrolling:touch;
}
.manual-prose table{min-width:680px}
.manual-prose th{font-family:var(--font-mono);font-size:12px}
.manual-prose td{color:var(--color-muted)}
.manual-prose .callout{max-width:840px}
@media (max-width:900px){
  .manual-hero-grid{grid-template-columns:1fr}
  .manual-scope{max-width:620px}
}
@media (max-width:640px){
  .manual-hero{
    padding-top:62px;
    padding-bottom:66px;
  }
  .manual-hero h1{font-size:clamp(26px,7.5vw,30px)}
  .manual-scope dl div{grid-template-columns:1fr;gap:4px}
  .manual-nav-section{
    padding-top:54px;
    padding-bottom:48px;
  }
  .manual-toc{border-radius:var(--radius-md)}
  .manual-body{
    padding-top:64px;
    padding-bottom:90px;
  }
  .manual-chapter{padding-bottom:78px}
  .manual-chapter + .manual-chapter{padding-top:70px}
  .manual-prose h2{font-size:clamp(30px,9vw,39px)}
  .manual-prose pre{padding:16px}
}