.nodes-opening{
  position:relative;
  isolation:isolate;
  max-width:100%;
  overflow:clip;
  background:linear-gradient(180deg,var(--wash),var(--bg));
  border-radius:0 0 var(--r-sheet) var(--r-sheet);
}
.nodes-opening__inner{
  position:relative;
  z-index:1;
  padding-top:56px;
  padding-bottom:64px;
  text-align:center;
}
.nodes-opening__text{
  max-width:700px;
  margin:18px auto 28px;
  color:var(--text-muted);
  line-height:1.85;
}
.nodes-factline{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px 28px;
}
.nodes-factline>span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
}
.nodes-factline>span::before{
  content:"";
  width:8px;
  height:8px;
  flex:none;
  border-radius:var(--r-flag);
  background:var(--saffron);
}
.nodes-factline b{
  color:var(--accent-dark);
  font-size:20px;
}
.nodes-document{
  padding-top:28px;
}
.nodes-chapter{
  min-width:0;
  padding-top:56px;
}
.nodes-chapter+.nodes-chapter{
  margin-top:24px;
}
.nodes-chapter h2{
  margin:0 0 24px;
}
.nodes-eyebrow{
  margin-bottom:10px;
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
}
.nodes-heading{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px 28px;
  margin-bottom:24px;
}
.nodes-heading>*{
  min-width:0;
}
.nodes-heading h2{
  margin-bottom:0;
}
.nodes-intro{
  max-width:960px;
  color:var(--text-muted);
  line-height:1.85;
}
.nodes-chapter .table-scroll{
  margin-top:28px;
}
.nodes-route-card{
  margin-top:32px;
}
.nodes-route-card p:last-of-type{
  margin-bottom:24px;
}
.nodes-board__label{
  position:relative;
  z-index:1;
  max-width:85%;
  margin:0;
  font-size:13px;
  color:var(--text-muted);
}
.nodes-path{
  display:block;
  max-width:100%;
  height:auto;
  margin-inline:auto;
}
.nodes-route-notes{
  grid-template-columns:repeat(2,minmax(0,1fr));
  margin-top:24px;
}
.nodes-route-notes p{
  color:var(--text-muted);
  line-height:1.85;
}
.nodes-route-notes p:last-child{
  margin-bottom:0;
}
.nodes-usecases{
  margin-top:32px;
  background:var(--bg-panel);
  border:1px solid var(--accent-a08);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-soft),var(--hl-top);
}
.nodes-usecase{
  display:grid;
  grid-template-columns:minmax(0,3fr) minmax(0,7fr);
  gap:40px;
  padding:32px;
}
.nodes-usecase>*{
  min-width:0;
}
.nodes-usecase+.nodes-usecase{
  border-top:1px solid var(--border);
}
.nodes-usecase h3{
  margin:16px 0 0;
}
.nodes-usecase p{
  color:var(--text-muted);
  line-height:1.85;
}
.nodes-usecase p:last-child{
  margin-bottom:0;
}
.nodes-chapter a:not(.btn):not(.toc-tabs a){
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:4px;
}
.nodes-chapter .steps h3{
  margin:0 0 12px;
}
.nodes-chapter .steps p{
  color:var(--text-muted);
  line-height:1.85;
}
.nodes-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
}
.nodes-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
}
.nodes-links--end{
  margin-top:24px;
}
@media(max-width:768px){
  .nodes-opening__inner{
    padding-top:36px;
    padding-bottom:40px;
  }
  .nodes-route-notes{
    grid-template-columns:1fr;
  }
  .nodes-usecase{
    grid-template-columns:1fr;
    gap:20px;
    padding:24px;
  }
  .nodes-usecase h3{
    margin-top:12px;
  }
  .nodes-chapter{
    padding-top:40px;
  }
}
@media(max-width:640px){
  .nodes-opening{
    border-radius:0 0 var(--r-xl) var(--r-xl);
  }
  .nodes-factline{
    gap:12px 20px;
  }
  .nodes-factline>span{
    font-size:13px;
  }
  .nodes-factline b{
    font-size:18px;
  }
  .nodes-opening__text{
    text-align:left;
  }
  .nodes-document{
    padding-top:20px;
  }
  .nodes-chapter+.nodes-chapter{
    margin-top:8px;
  }
  .nodes-usecase{
    padding:20px;
  }
}