.deepdoc-hero{
  position:relative;
  overflow:clip;
  border-bottom:1px solid var(--color-line);
  background:var(--color-surface-strong);
}
.deepdoc-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.16fr) minmax(320px,.84fr);
  gap:54px;
  align-items:center;
  min-height:620px;
  padding-top:76px;
  padding-bottom:76px;
}
.deepdoc-hero-copy{
  min-width:0;
}
.deepdoc-hero-copy .badge{
  margin-bottom:22px;
}
.deepdoc-hero-copy h1{
  max-width:720px;
  margin-bottom:22px;
}
.deepdoc-hero-copy h1 span{
  display:block;
}
.deepdoc-lead{
  max-width:690px;
  color:var(--color-muted);
  font-size:19px;
  line-height:1.8;
}
.deepdoc-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
  margin-bottom:24px;
}
.deepdoc-facts{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.deepdoc-glow{
  position:absolute;
  top:-18%;
  right:-8%;
  width:52%;
  aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle,var(--color-brand-mid),transparent 68%);
  pointer-events:none;
}
.decision-board{
  min-width:0;
  overflow:hidden;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-paper);
  box-shadow:var(--shadow-window);
  transform:rotate(1.2deg);
}
.decision-board-head{
  display:flex;
  min-height:42px;
  align-items:center;
  gap:8px;
  padding:0 15px;
  border-bottom:1px solid var(--color-line);
  background:var(--color-surface);
  color:var(--color-muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
}
.decision-board-head span:last-child{
  margin-left:auto;
}
.decision-board-body{
  display:grid;
  gap:1px;
  background:var(--color-line);
}
.decision-axis{
  display:grid;
  grid-template-columns:62px minmax(0,1fr);
  gap:5px 14px;
  padding:19px 20px;
  background:var(--color-paper);
}
.decision-axis>span{
  grid-row:1/3;
  align-self:center;
  color:var(--color-brand);
  font-family:var(--font-mono);
  font-weight:800;
}
.decision-axis strong{
  line-height:1.4;
}
.decision-axis small{
  color:var(--color-muted);
  font-family:var(--font-mono);
}
.deepdoc-layout{
  padding-top:72px;
  padding-bottom:32px;
}
.deepdoc-reading{
  max-width:960px;
  margin-inline:auto;
}
.deepdoc-intro{
  margin-bottom:38px;
  font-size:18px;
}
.deepdoc-intro p{
  color:var(--color-muted);
}
.deepdoc-chapter{
  padding-top:72px;
  padding-bottom:38px;
  border-bottom:1px solid var(--color-line);
}
.deepdoc-chapter:last-child{
  border-bottom:0;
}
.deepdoc-chapter h2{
  margin-bottom:32px;
}
.deepdoc-chapter h2::before{
  display:block;
  width:58px;
  height:4px;
  margin-bottom:18px;
  border-radius:var(--radius-pill);
  background:var(--color-brand);
  content:"";
}
.deepdoc-chapter h3{
  margin-top:38px;
  margin-bottom:14px;
  font-size:24px;
}
.deepdoc-chapter p{
  margin-bottom:20px;
  line-height:1.9;
}
.deepdoc-chapter .table-scroll{
  margin-top:30px;
  margin-bottom:32px;
}
.parameter-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:30px;
  margin-bottom:32px;
}
.parameter-card{
  min-width:0;
  padding:22px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
  background:var(--color-surface);
  box-shadow:var(--shadow-card);
}
.parameter-card strong{
  display:block;
  margin-bottom:8px;
  color:var(--color-brand-deep);
  font-size:18px;
}
.parameter-card p{
  margin:0;
  color:var(--color-muted);
}
.verification-flow{
  display:grid;
  gap:10px;
  margin-top:30px;
  margin-bottom:34px;
  counter-reset:verify-step;
}
.verification-flow>div{
  position:relative;
  min-width:0;
  padding:18px 20px 18px 70px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
  background:var(--color-surface);
  counter-increment:verify-step;
}
.verification-flow>div::before{
  position:absolute;
  top:19px;
  left:20px;
  display:grid;
  width:34px;
  height:34px;
  place-items:center;
  border-radius:50%;
  background:var(--color-brand-soft);
  color:var(--color-brand);
  content:counter(verify-step);
  font-family:var(--font-mono);
  font-weight:800;
}
.verification-flow span{
  color:var(--color-ink);
  font-weight:800;
}
.verification-flow p{
  margin:3px 0 0;
  color:var(--color-muted);
}
.decision-checklist{
  margin-top:34px;
  margin-bottom:38px;
  padding:28px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-surface-strong);
  box-shadow:var(--shadow-card);
}
.decision-checklist h3{
  margin-top:0;
}
.decision-checklist ul{
  display:grid;
  gap:12px;
  margin:0;
  padding:0;
  list-style:none;
}
.decision-checklist li{
  position:relative;
  padding-left:28px;
  color:var(--color-muted);
}
.decision-checklist li::before{
  position:absolute;
  top:.15em;
  left:0;
  color:var(--color-success);
  content:"✓";
  font-weight:900;
}
.decision-checklist strong{
  color:var(--color-ink);
}
@media (max-width:900px){
  .deepdoc-hero-grid{
    grid-template-columns:1fr;
    min-height:auto;
    gap:42px;
  }
  .decision-board{
    max-width:680px;
    transform:none;
  }
}
@media (max-width:768px){
  .deepdoc-hero-grid{
    padding-top:56px;
    padding-bottom:56px;
  }
  .deepdoc-lead,
  .deepdoc-intro{
    font-size:16px;
  }
  .deepdoc-layout{
    padding-top:52px;
  }
  .deepdoc-chapter{
    padding-top:58px;
    padding-bottom:28px;
  }
  .deepdoc-chapter h3{
    margin-top:32px;
    font-size:22px;
  }
  .parameter-grid{
    grid-template-columns:1fr;
  }
  .deepdoc-glow{
    display:none;
  }
}
@media (max-width:640px){
  .deepdoc-actions{
    display:grid;
  }
  .decision-axis{
    grid-template-columns:52px minmax(0,1fr);
    padding:16px;
  }
  .decision-board-head span:last-child{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
  .verification-flow>div{
    padding:17px 16px 17px 62px;
  }
  .verification-flow>div::before{
    left:15px;
  }
  .decision-checklist{
    padding:22px 18px;
  }
}