.ai-hero{
  position:relative;
  padding-top:72px;
  padding-bottom:76px;
  overflow-x:clip;
  background:
    linear-gradient(180deg,rgba(var(--color-accent-rgb),.045),rgba(var(--color-pair-rgb),.07)),
    var(--color-canvas);
}
.ai-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:linear-gradient(to bottom,var(--color-ink),transparent);
  mask-image:linear-gradient(to bottom,var(--color-ink),transparent);
}
.ai-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.06fr) minmax(420px,.94fr);
  gap:64px;
  align-items:center;
}
.ai-hero-copy{min-width:0}
.ai-title{
  max-width:690px;
  margin-top:18px;
  font-size:clamp(52px,5.2vw,68px);
  line-height:1.1;
  font-weight:850;
  letter-spacing:-.02em;
}
.ai-title .no-break{
  color:transparent;
  background:linear-gradient(90deg,var(--color-accent),var(--color-accent-pair));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.ai-hero-lede{
  max-width:650px;
  margin-top:24px;
  color:var(--color-muted);
  font-size:19px;
  line-height:1.75;
}
.ai-actions{
  display:flex;
  align-items:center;
  gap:26px;
  margin-top:32px;
}
.ai-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
  list-style:none;
}
.ai-facts li{
  display:flex;
  min-width:132px;
  padding:13px 16px;
  flex-direction:column;
  background:rgba(var(--color-white-rgb),.68);
  border:1px solid rgba(var(--color-white-rgb),.6);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-soft),var(--inner-highlight);
}
.ai-facts strong{
  color:var(--color-ink);
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1.3;
}
.ai-facts span:last-child{
  margin-top:3px;
  color:var(--color-soft);
  font-size:12px;
}
.ai-trust{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.ai-console{
  position:relative;
  min-width:0;
  padding:24px;
  overflow:hidden;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-deep),var(--inner-highlight);
}
.ai-console::before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:7px;
  background:linear-gradient(90deg,var(--color-accent),var(--color-accent-pair));
}
.ai-console-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:8px;
  padding-bottom:20px;
  border-bottom:1px solid var(--color-border);
}
.ai-console-title{
  color:var(--color-soft);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.ai-route-flow{
  display:grid;
  grid-template-columns:1fr 38px 1fr 38px 1fr;
  align-items:center;
  margin-top:24px;
}
.ai-route-node{
  min-width:0;
  padding:16px 12px;
  text-align:center;
  background:var(--color-slot);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
}
.ai-route-node.is-accent{
  background:rgba(var(--color-accent-rgb),.08);
  border-color:rgba(var(--color-accent-rgb),.26);
}
.ai-node-icon{
  display:grid;
  width:42px;
  height:42px;
  margin-inline:auto;
  place-items:center;
  color:var(--color-accent);
  background:var(--color-panel);
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-soft);
}
.ai-route-node strong{
  display:block;
  margin-top:11px;
  font-size:13px;
}
.ai-route-node small{
  display:block;
  margin-top:4px;
  color:var(--color-soft);
  font-size:11px;
  line-height:1.45;
}
.ai-route-line{
  position:relative;
  height:1px;
  background:var(--color-border);
}
.ai-route-line::after{
  content:"";
  position:absolute;
  top:-3px;
  right:0;
  width:7px;
  height:7px;
  border-top:1px solid var(--color-accent);
  border-right:1px solid var(--color-accent);
  transform:rotate(45deg);
}
.ai-console-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:9px;
  margin-top:22px;
}
.ai-console-grid div{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-width:0;
  padding:11px 13px;
  background:var(--color-slot);
  border-radius:var(--radius-sm);
}
.ai-console-grid span{
  min-width:0;
  overflow:hidden;
  color:var(--color-ink);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.ai-console-grid b{
  flex-shrink:0;
  color:var(--color-soft);
  font-size:11px;
  font-weight:600;
  white-space:nowrap;
}
.ai-console-note{
  margin-top:18px;
  padding-top:17px;
  color:var(--color-muted);
  border-top:1px solid var(--color-border);
  font-size:13px;
}
.ai-article{
  position:relative;
  padding-top:72px;
  padding-bottom:var(--section-space);
}
.ai-section{
  padding-top:76px;
  padding-bottom:76px;
  border-bottom:1px solid var(--color-border);
}
.ai-section:last-child{border-bottom:0}
.ai-principle-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.ai-principle{
  display:grid;
  grid-template-columns:58px minmax(0,1fr);
  gap:18px;
  min-width:0;
  padding:25px;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft),var(--inner-highlight);
}
.ai-principle-mark{
  display:grid;
  width:56px;
  height:56px;
  place-items:center;
  color:var(--color-panel);
  background:linear-gradient(135deg,var(--color-accent),var(--color-accent-pair));
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-soft);
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:800;
}
.ai-principle h3{font-size:20px}
.ai-principle p{
  margin-top:10px;
  color:var(--color-muted);
  font-size:15px;
}
.ai-compare-table th,
.ai-compare-table td{
  word-break:keep-all;
}
.ai-callout{margin-top:24px}
.ai-tool-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.ai-tool-card{
  min-width:0;
  padding:26px;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft),var(--inner-highlight);
  transition:transform var(--transition-fast),border-color var(--transition-fast);
}
.ai-tool-card:hover{
  border-color:rgba(var(--color-accent-rgb),.32);
  transform:translateY(-3px);
}
.ai-tool-head{
  display:flex;
  align-items:center;
  gap:14px;
}
.ai-tool-code{
  display:grid;
  width:48px;
  height:48px;
  place-items:center;
  flex-shrink:0;
  color:var(--color-accent);
  background:rgba(var(--color-accent-rgb),.09);
  border-radius:var(--radius-sm);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:800;
}
.ai-tool-card h3{font-size:19px}
.ai-tool-card p{
  margin-top:15px;
  color:var(--color-muted);
  font-size:15px;
}
.ai-split-head{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1fr);
  gap:64px;
  align-items:end;
  margin-bottom:42px;
}
.ai-split-head h2{margin-top:10px}
.ai-split-head > p{
  color:var(--color-muted);
  font-size:17px;
}
.ai-check-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.ai-check-grid article{
  position:relative;
  min-width:0;
  padding:23px;
  background:var(--color-slot);
  border-radius:var(--radius-lg);
}
.ai-check-grid article::before{
  content:"";
  display:block;
  width:34px;
  height:5px;
  margin-bottom:18px;
  background:linear-gradient(90deg,var(--color-accent),var(--color-accent-pair));
  border-radius:var(--radius-pill);
}
.ai-check-grid h3{font-size:18px}
.ai-check-grid p{
  margin-top:10px;
  color:var(--color-muted);
  font-size:14px;
}
.ai-mode-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.ai-mode-card{
  min-width:0;
  padding:28px;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
}
.ai-mode-card h3{
  margin-top:15px;
  font-size:23px;
}
.ai-mode-card ul{
  display:grid;
  gap:11px;
  margin-top:20px;
  list-style:none;
}
.ai-mode-card li{
  position:relative;
  padding-left:21px;
  color:var(--color-muted);
  font-size:15px;
}
.ai-mode-card li::before{
  content:"";
  position:absolute;
  top:.68em;
  left:2px;
  width:7px;
  height:7px;
  background:var(--color-accent);
  border-radius:50%;
}
.ai-code-panel{
  margin-top:20px;
  padding:24px;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
}
.ai-code-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.ai-code-head > span:first-child{
  color:var(--color-ink);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
}
.ai-code-panel pre{margin:0}
.ai-code-panel > p{
  margin-top:14px;
  color:var(--color-muted);
  font-size:14px;
}
.ai-workflow{
  display:grid;
  gap:16px;
}
.ai-workflow article{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:20px;
  align-items:start;
  padding:25px;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
}
.ai-workflow-icon{
  display:grid;
  width:58px;
  height:58px;
  place-items:center;
  color:var(--color-panel);
  background:linear-gradient(135deg,var(--color-accent),var(--color-accent-pair));
  border-radius:var(--radius-md);
}
.ai-workflow h3{font-size:20px}
.ai-workflow p{
  margin-top:9px;
  color:var(--color-muted);
  font-size:15px;
}
.ai-selection{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);
  gap:44px;
  align-items:start;
}
.ai-selection-copy h2{margin-top:10px}
.ai-selection-copy p{
  margin-top:20px;
  color:var(--color-muted);
  font-size:16px;
}
.ai-selection-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.ai-decision-panel{
  min-width:0;
  padding:28px;
  background:var(--color-panel);
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-card),var(--inner-highlight);
}
.ai-decision-panel h3{font-size:22px}
.ai-decision-panel ul{
  display:grid;
  gap:0;
  margin-top:20px;
  list-style:none;
}
.ai-decision-panel li{
  display:grid;
  grid-template-columns:minmax(92px,.45fr) minmax(0,1fr);
  gap:14px;
  padding-top:13px;
  padding-bottom:13px;
  border-bottom:1px solid var(--color-border);
  font-size:13px;
}
.ai-decision-panel li span{color:var(--color-soft)}
.ai-decision-panel li b{
  color:var(--color-ink);
  font-weight:650;
}
.ai-decision-note{
  margin-top:22px;
  padding:18px;
  background:rgba(var(--color-accent-rgb),.07);
  border-radius:var(--radius-md);
}
.ai-decision-note strong{
  color:var(--color-accent);
  font-size:13px;
}
.ai-decision-note p{
  margin-top:7px;
  color:var(--color-muted);
  font-size:13px;
}
@media (max-width:1100px){
  .ai-hero-grid{
    grid-template-columns:minmax(0,1fr) minmax(380px,.9fr);
    gap:36px;
  }
  .ai-title{font-size:54px}
  .ai-route-flow{grid-template-columns:1fr 24px 1fr 24px 1fr}
  .ai-route-node{padding-inline:8px}
  .ai-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .ai-hero-grid{grid-template-columns:1fr}
  .ai-console{max-width:720px}
  .ai-selection{grid-template-columns:1fr}
}
@media (max-width:768px){
  .ai-hero{
    padding-top:52px;
    padding-bottom:56px;
  }
  .ai-title{
    font-size:40px;
    line-height:1.12;
  }
  .ai-hero-lede{font-size:17px}
  .ai-article{padding-top:54px}
  .ai-section{
    padding-top:60px;
    padding-bottom:60px;
  }
  .ai-principle-grid,
  .ai-tool-list,
  .ai-mode-grid{grid-template-columns:1fr}
  .ai-split-head{
    grid-template-columns:1fr;
    gap:18px;
  }
}
@media (max-width:640px){
  .ai-hero{
    padding-top:38px;
    padding-bottom:44px;
  }
  .ai-title{font-size:38px}
  .ai-actions{
    align-items:flex-start;
    flex-direction:column;
    gap:8px;
  }
  .ai-facts{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .ai-facts li{min-width:0}
  .ai-console{padding:18px}
  .ai-console-top{align-items:flex-start}
  .ai-route-flow{
    grid-template-columns:1fr;
    gap:9px;
  }
  .ai-route-line{
    width:1px;
    height:18px;
    margin-inline:auto;
  }
  .ai-route-line::after{
    top:auto;
    right:-3px;
    bottom:0;
    transform:rotate(135deg);
  }
  .ai-route-node{
    display:flex;
    align-items:center;
    gap:13px;
    padding:12px;
    text-align:left;
  }
  .ai-node-icon{
    margin:0;
    flex-shrink:0;
  }
  .ai-route-node strong{margin-top:0}
  .ai-console-grid{grid-template-columns:1fr}
  .ai-principle{
    grid-template-columns:48px minmax(0,1fr);
    gap:14px;
    padding:20px;
  }
  .ai-principle-mark{
    width:48px;
    height:48px;
  }
  .ai-tool-card{padding:21px}
  .ai-tool-head{align-items:flex-start}
  .ai-check-grid{grid-template-columns:1fr}
  .ai-mode-card{padding:22px}
  .ai-code-panel{padding:18px}
  .ai-code-head{
    align-items:flex-start;
    flex-direction:column;
  }
  .ai-workflow article{
    grid-template-columns:50px minmax(0,1fr);
    gap:15px;
    padding:20px;
  }
  .ai-workflow-icon{
    width:50px;
    height:50px;
  }
  .ai-selection{gap:28px}
  .ai-selection-actions{
    align-items:stretch;
    flex-direction:column;
  }
  .ai-selection-actions .btn-primary,
  .ai-selection-actions .btn-secondary{width:100%}
  .ai-decision-panel{padding:22px}
  .ai-decision-panel li{grid-template-columns:1fr}
}
@media (max-width:380px){
  .ai-title{font-size:34px}
  .ai-facts{grid-template-columns:1fr}
  .ai-console-grid div{
    align-items:flex-start;
    flex-direction:column;
    gap:3px;
  }
  .ai-console-grid b{white-space:normal}
  .ai-principle{
    grid-template-columns:1fr;
  }
  .ai-principle-mark{margin-bottom:2px}
  .ai-tool-head{flex-direction:column}
  .ai-workflow article{grid-template-columns:1fr}
}