:root {
  color-scheme: dark;
  --bg: #0d0c12;
  --bg-soft: #131119;
  --panel: #18151f;
  --panel-2: #201b29;
  --paper: #f1eadf;
  --paper-ink: #2c2530;
  --ink: #f4eee7;
  --muted: #aaa2b2;
  --line: rgba(255,255,255,.11);
  --line-strong: rgba(255,255,255,.2);
  --violet: #a887ff;
  --violet-soft: rgba(168,135,255,.14);
  --peach: #ff9e7a;
  --green: #79d5a6;
  --red: #ff8c8c;
  --gold: #f0c66b;
  --content: 1180px;
  --radius: 24px;
  --shadow: 0 30px 80px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 5%, rgba(106,78,173,.16), transparent 28rem),
    radial-gradient(circle at 0 30%, rgba(255,117,74,.08), transparent 24rem),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button, a { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button { color: inherit; }
code { color: var(--violet); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 10px 16px;
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: 10px;
}
.skip-link:focus { top: 16px; }

.site-header {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  min-height: 86px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; margin-right: auto; }
.brand img { border-radius: 10px; }
.brand span { display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: 15px; letter-spacing: .02em; }
.brand small { font-size: 11px; color: var(--muted); margin-top: 4px; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { color: var(--muted); font-size: 14px; text-decoration: none; transition: color .2s ease; }
.site-header nav a:hover { color: var(--ink); }
.header-cta { text-decoration: none; border: 1px solid var(--line-strong); border-radius: 999px; padding: 8px 16px; font-size: 13px; }

.hero {
  width: min(calc(100% - 40px), var(--content));
  min-height: 700px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0 95px;
}
.eyebrow, .section-index, .micro-label {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 700;
}
.eyebrow { display: inline-flex; gap: 9px; align-items: center; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(121,213,166,.1); }
.hero h1 { font-size: clamp(44px, 6vw, 76px); line-height: 1.08; letter-spacing: -.055em; margin: 25px 0 28px; font-weight: 620; }
.hero h1 em { font-family: Georgia, "Songti SC", serif; font-weight: 400; color: var(--violet); }
.hero-lead { max-width: 650px; color: #c2bac7; font-size: 18px; line-height: 1.85; margin: 0; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 35px 0 26px; }
.button { border: 0; border-radius: 999px; padding: 12px 20px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; font-weight: 650; font-size: 14px; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--violet); color: #17111f; }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); }
.trust-list { list-style: none; display: flex; flex-wrap: wrap; gap: 18px; padding: 0; margin: 0; color: var(--muted); font-size: 12px; }
.trust-list span { color: var(--green); margin-right: 5px; }

.agent-orbit { position: relative; min-height: 470px; display: grid; place-items: center; }
.orbit-glow { position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(168,135,255,.24), rgba(168,135,255,.03) 55%, transparent 70%); filter: blur(6px); }
.agent-orbit::before, .agent-orbit::after { content: ""; position: absolute; border: 1px solid rgba(168,135,255,.16); border-radius: 50%; }
.agent-orbit::before { width: 410px; height: 410px; }
.agent-orbit::after { width: 310px; height: 310px; border-style: dashed; }
.agent-card { position: relative; z-index: 2; width: min(100%, 390px); padding: 27px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); background: linear-gradient(145deg, rgba(36,30,47,.96), rgba(20,17,27,.95)); box-shadow: var(--shadow); backdrop-filter: blur(14px); transform: rotate(-1.5deg); }
.agent-card-top { display: flex; gap: 14px; align-items: center; }
.agent-symbol { width: 48px; height: 48px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 15px; background: var(--violet); color: #17111f; font-family: Georgia, "Songti SC", serif; font-size: 23px; font-weight: 700; }
.agent-card h2 { margin: 2px 0 0; font-size: 25px; line-height: 1.2; }
.status-chip { margin-left: auto; align-self: flex-start; font-size: 11px; color: var(--gold); border: 1px solid rgba(240,198,107,.3); border-radius: 999px; padding: 4px 9px; }
.agent-card > p { color: var(--muted); font-size: 13px; margin: 25px 0 20px; }
.agent-stats { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.agent-stats div { padding: 15px 10px; text-align: center; }
.agent-stats div + div { border-left: 1px solid var(--line); }
.agent-stats strong { display: block; font-size: 23px; line-height: 1; color: var(--violet); }
.agent-stats span { display: block; font-size: 10px; color: var(--muted); margin-top: 8px; }
.agent-scope { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.agent-scope span { font-size: 10px; padding: 5px 9px; background: rgba(255,255,255,.05); border-radius: 999px; color: #c9c1ce; }
.orbit-tag { position: absolute; z-index: 3; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--bg-soft); color: #cfc7d4; font-size: 11px; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.tag-one { top: 54px; left: 12px; }
.tag-two { right: 4px; top: 145px; }
.tag-three { bottom: 55px; left: 28px; }

.section { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; padding: 110px 0; }
.section-heading { max-width: 800px; margin-bottom: 48px; }
.section-heading h2 { margin: 10px 0 15px; font-size: clamp(34px, 4vw, 52px); line-height: 1.18; letter-spacing: -.035em; }
.section-heading p { color: var(--muted); margin: 0; font-size: 16px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.3fr .7fr; gap: 80px; align-items: end; }

.demo-section { padding-top: 80px; }
.demo-shell { border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: #111016; box-shadow: var(--shadow); }
.demo-toolbar { min-height: 52px; padding: 0 18px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); background: #18161d; }
.window-dots { display: flex; gap: 7px; }
.window-dots i { width: 9px; height: 9px; border-radius: 50%; background: #4b4652; }
.window-dots i:nth-child(1) { background: #ef806f; }
.window-dots i:nth-child(2) { background: #e6bd68; }
.window-dots i:nth-child(3) { background: #6bc39a; }
.toolbar-title { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: #a49da9; font-size: 11px; letter-spacing: .05em; }
.shield-icon { color: var(--green); margin-right: 6px; }
.demo-clock { text-align: right; color: #77717e; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.scenario-tabs { display: flex; gap: 5px; padding: 15px 18px; border-bottom: 1px solid var(--line); }
.scenario-tabs button { border: 0; background: transparent; color: #8f8896; padding: 8px 13px; border-radius: 9px; cursor: pointer; font-size: 12px; }
.scenario-tabs button[aria-selected="true"] { background: var(--violet-soft); color: #d7c7ff; }
.demo-layout { display: grid; grid-template-columns: 1fr 285px; min-height: 500px; }
.terminal-panel { min-width: 0; padding: 22px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.terminal-heading, .gate-heading { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #b9b1be; margin-bottom: 17px; }
.terminal-pulse { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--green); margin-right: 8px; box-shadow: 0 0 0 4px rgba(121,213,166,.08); }
.simulation-label { color: var(--violet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 9px; letter-spacing: .14em; }
.terminal-log { flex: 1; min-height: 350px; max-height: 390px; overflow-y: auto; padding: 18px; border-radius: 14px; background: #0a090d; color: #bbb4c0; font: 12px/1.75 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; scrollbar-color: #3b3541 transparent; }
.terminal-log p { margin: 0 0 8px; }
.terminal-log time { display: inline-block; width: 72px; color: #65606b; }
.terminal-log .log-stage { color: var(--violet); }
.terminal-log .log-success { color: var(--green); }
.terminal-log .log-warning { color: var(--gold); }
.terminal-log .log-error { color: var(--red); }
.terminal-log .log-result { color: var(--ink); padding-top: 8px; margin-top: 10px; border-top: 1px dashed #322e36; }
.log-welcome span { color: var(--violet); }
.terminal-actions { display: flex; align-items: center; gap: 14px; margin-top: 17px; flex-wrap: wrap; }
.run-button { padding: 9px 16px; }
.run-button:disabled { opacity: .55; cursor: wait; transform: none; }
.text-button { border: 0; background: transparent; color: #8f8896; font-size: 12px; cursor: pointer; padding: 8px; }
.network-state { margin-left: auto; color: #77717e; font-size: 10px; }
.network-state i { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--green); }
.gate-panel { padding: 22px 18px; background: #151219; }
.gate-heading strong { color: var(--violet); font-size: 12px; }
.gate-list { list-style: none; padding: 0; margin: 0; }
.gate-list li { display: grid; grid-template-columns: 31px 1fr 12px; gap: 11px; align-items: center; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.055); opacity: .48; transition: opacity .25s ease, transform .25s ease; }
.gate-list li > span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: #242029; color: #98909d; font: 10px ui-monospace, SFMono-Regular, Consolas, monospace; }
.gate-list li div { display: flex; flex-direction: column; }
.gate-list strong { color: #c6becb; font-size: 11px; font-weight: 650; }
.gate-list small { color: #77717e; font-size: 9px; margin-top: 1px; }
.gate-list li > i { width: 7px; height: 7px; border-radius: 50%; background: #38333d; }
.gate-list li.active { opacity: 1; transform: translateX(3px); }
.gate-list li.active > span { color: var(--violet); background: var(--violet-soft); }
.gate-list li.active > i { background: var(--gold); box-shadow: 0 0 0 4px rgba(240,198,107,.08); }
.gate-list li.passed { opacity: .9; }
.gate-list li.passed > span { color: var(--green); background: rgba(121,213,166,.11); }
.gate-list li.passed > i { background: var(--green); }
.gate-list li.paused { opacity: 1; }
.gate-list li.paused > span { color: var(--gold); background: rgba(240,198,107,.11); }
.gate-list li.paused > i { background: var(--gold); }
.demo-disclaimer { padding: 13px 20px; background: rgba(168,135,255,.06); border-top: 1px solid var(--line); color: #88818e; font-size: 10px; text-align: center; }
.demo-disclaimer strong { color: #aaa2b1; }

.ability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.ability-card { position: relative; min-height: 275px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ability-number { position: absolute; right: 24px; top: 22px; color: #5e5864; font: 10px ui-monospace, SFMono-Regular, Consolas, monospace; }
.line-icon { color: var(--violet); font-size: 28px; min-height: 50px; }
.ability-card h3 { font-size: 18px; margin: 20px 0 10px; }
.ability-card p { color: var(--muted); font-size: 13px; margin: 0; }

.workflow { border-top: 1px solid var(--line); }
.workflow-line { list-style: none; padding: 0; margin: 70px 0 80px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.workflow-line li { position: relative; display: grid; grid-template-columns: 43px 1fr; gap: 16px; min-height: 180px; padding: 25px 30px 25px 0; border-top: 1px solid var(--line); }
.workflow-line li::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 6px rgba(168,135,255,.09); }
.workflow-line li > span { color: #655e6b; font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.workflow-line small { color: var(--violet); font-size: 9px; letter-spacing: .13em; }
.workflow-line h3 { font-size: 17px; margin: 5px 0 8px; }
.workflow-line p { color: var(--muted); font-size: 12px; margin: 0; }
.decision-board { display: grid; grid-template-columns: 1.1fr 1fr auto 1fr auto 1fr; gap: 18px; align-items: stretch; padding: 28px; background: var(--panel); border-radius: var(--radius); border: 1px solid var(--line); }
.decision-intro { padding-right: 20px; }
.decision-intro h3 { margin: 7px 0 8px; font-size: 20px; }
.decision-intro p { color: var(--muted); font-size: 12px; margin: 0; }
.decision-cell { border: 1px solid var(--line); border-radius: 16px; padding: 17px; display: flex; flex-direction: column; justify-content: center; min-height: 115px; }
.decision-cell strong { font: 27px ui-monospace, SFMono-Regular, Consolas, monospace; }
.decision-cell span { font-size: 13px; font-weight: 700; margin-top: 5px; }
.decision-cell small { color: var(--muted); font-size: 9px; margin-top: 4px; }
.decision-cell.high strong { color: var(--green); }
.decision-cell.mid strong { color: var(--violet); }
.decision-cell.low strong { color: var(--peach); }
.decision-arrow { display: grid; place-items: center; color: #605967; }

.report-preview { display: grid; grid-template-columns: 250px 1fr; background: #17141c; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.report-index { padding: 28px 22px; border-right: 1px solid var(--line); }
.report-index > span { color: #817985; font-size: 10px; letter-spacing: .14em; }
.report-index ol { list-style: none; padding: 0; margin: 22px 0 0; counter-reset: report; }
.report-index li { counter-increment: report; position: relative; padding: 8px 8px 8px 29px; margin-bottom: 3px; color: #837b88; font-size: 11px; border-radius: 8px; }
.report-index li::before { content: counter(report, decimal-leading-zero); position: absolute; left: 7px; color: #514b55; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 8px; }
.report-index li.active { color: #d7c7ff; background: var(--violet-soft); }
.report-paper { margin: 28px; padding: 45px 50px; min-height: 620px; background: var(--paper); color: var(--paper-ink); border-radius: 7px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.paper-meta { display: flex; justify-content: space-between; color: #887b89; font-size: 9px; letter-spacing: .14em; }
.report-paper h3 { margin: 30px 0 12px; font: 500 31px/1.25 Georgia, "Songti SC", serif; }
.paper-lead { color: #5f5561; font-size: 13px; max-width: 680px; }
.score-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 35px 0; background: rgba(44,37,48,.13); border: 1px solid rgba(44,37,48,.13); }
.score-row div { padding: 18px; background: #f1eadf; }
.score-row span { display: block; color: #7c707d; font-size: 10px; }
.score-row strong { font: 27px ui-monospace, SFMono-Regular, Consolas, monospace; color: #60459d; }
.score-row small { color: #8d818e; font-size: 9px; margin-left: 4px; }
.paper-section { margin-top: 30px; padding-top: 22px; border-top: 1px solid rgba(44,37,48,.13); }
.paper-section h4 { margin: 0 0 10px; font-size: 14px; }
.paper-section p { color: #594e5a; font-size: 12px; }
.paper-section blockquote { margin: 15px 0 0; padding: 12px 15px; border-left: 3px solid #9071d3; background: rgba(144,113,211,.08); color: #6f6470; font-size: 10px; }

.quality-track { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.quality-track article { min-height: 170px; padding: 23px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quality-track span { color: var(--violet); font: 10px ui-monospace, SFMono-Regular, Consolas, monospace; }
.quality-track h3 { margin: 18px 0 6px; font-size: 16px; }
.quality-track p { margin: 0; color: var(--muted); font-size: 11px; }
.quality-principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.quality-principles div { padding: 17px; border-radius: 13px; background: var(--violet-soft); }
.quality-principles strong { display: block; font-size: 12px; color: #d7c7ff; }
.quality-principles span { color: #948b9b; font-size: 10px; }

.boundaries { border-top: 1px solid var(--line); }
.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.boundary-card { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.boundary-heading { display: flex; align-items: center; gap: 13px; margin-bottom: 22px; }
.boundary-heading span { width: 35px; height: 35px; border-radius: 50%; display: grid; place-items: center; font-size: 18px; }
.boundary-card.can .boundary-heading span { color: var(--green); background: rgba(121,213,166,.1); }
.boundary-card.cannot .boundary-heading span { color: var(--red); background: rgba(255,140,140,.1); }
.boundary-heading h3 { margin: 0; font-size: 20px; }
.boundary-card ul { list-style: none; padding: 0; margin: 0; }
.boundary-card li { position: relative; padding: 11px 0 11px 22px; border-top: 1px solid rgba(255,255,255,.06); color: var(--muted); font-size: 12px; }
.boundary-card li::before { content: ""; position: absolute; left: 2px; top: 20px; width: 5px; height: 5px; border-radius: 50%; background: #5d5662; }

.privacy-panel { border-radius: 32px; background: linear-gradient(135deg, #211a2d, #17121f); border: 1px solid rgba(168,135,255,.2); padding: 55px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 65px; align-items: center; overflow: hidden; position: relative; }
.privacy-panel::before { content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%; right: -100px; top: -180px; background: rgba(168,135,255,.1); filter: blur(10px); }
.privacy-copy { position: relative; z-index: 1; }
.privacy-copy h2 { font-size: 38px; line-height: 1.2; letter-spacing: -.03em; margin: 10px 0 16px; }
.privacy-copy p, .privacy-copy li { color: #aea4b6; font-size: 12px; }
.privacy-copy ul { padding-left: 18px; }
.privacy-architecture { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 100px 1fr; align-items: center; gap: 8px; }
.arch-node { padding: 24px 16px; border: 1px solid var(--line-strong); border-radius: 18px; text-align: center; background: rgba(13,12,18,.6); }
.arch-node > span { color: var(--violet); font-size: 9px; letter-spacing: .16em; }
.arch-node strong { display: block; font-size: 15px; margin-top: 6px; }
.arch-node small { display: block; color: #817987; font-size: 9px; margin-top: 5px; }
.private-node { opacity: .7; }
.air-gap { text-align: center; color: #8c8491; }
.air-gap > span { display: grid; place-items: center; width: 34px; height: 34px; margin: 0 auto 7px; border-radius: 50%; border: 1px solid rgba(255,140,140,.35); color: var(--red); }
.air-gap strong { display: block; font-size: 10px; }
.air-gap small { display: block; font-size: 8px; }

.profile-status { padding-top: 40px; }
.status-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 50px; padding: 34px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.status-panel h2 { margin: 6px 0; font-size: 27px; }
.status-panel p { color: var(--muted); font-size: 12px; margin: 0; }
.status-list { display: grid; gap: 8px; min-width: 235px; }
.status-list span { font-size: 11px; color: #a39ba8; }
.status-list i { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; }
.status-list i.on { background: var(--green); }
.status-list i.off { background: #5d5663; }

.site-footer { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; padding: 55px 0 70px; display: grid; grid-template-columns: 1fr 1.2fr auto; gap: 35px; align-items: center; color: #766f7b; font-size: 10px; }
.footer-brand { display: flex; gap: 10px; align-items: center; color: var(--ink); }
.footer-brand div { display: flex; flex-direction: column; line-height: 1.25; }
.footer-brand strong { font-size: 12px; }
.footer-brand span { color: #77707c; font-size: 9px; }
.site-footer p { margin: 0; text-align: center; }
.footer-meta { display: flex; flex-direction: column; text-align: right; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 20px; padding-top: 75px; }
  .agent-orbit { min-height: 430px; }
  .split-heading { grid-template-columns: 1fr; gap: 18px; }
  .ability-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-layout { grid-template-columns: 1fr 250px; }
  .decision-board { grid-template-columns: repeat(3, 1fr); }
  .decision-intro { grid-column: 1 / -1; }
  .decision-arrow { display: none; }
  .privacy-panel { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .footer-meta { text-align: center; }
}

@media (max-width: 720px) {
  .site-header { min-height: 72px; width: min(calc(100% - 28px), var(--content)); }
  .header-cta { display: none; }
  .brand img { width: 31px; height: 31px; }
  .hero, .section, .site-footer { width: min(calc(100% - 28px), var(--content)); }
  .hero { min-height: auto; padding: 58px 0 60px; }
  .hero h1 { font-size: 45px; }
  .hero-lead { font-size: 15px; }
  .agent-orbit { min-height: 370px; }
  .orbit-glow { width: 320px; height: 320px; }
  .agent-orbit::before { width: 330px; height: 330px; }
  .agent-orbit::after { width: 260px; height: 260px; }
  .agent-card { width: 325px; padding: 22px; }
  .orbit-tag { display: none; }
  .section { padding: 75px 0; }
  .section-heading { margin-bottom: 32px; }
  .section-heading h2 { font-size: 34px; }
  .demo-toolbar { grid-template-columns: auto 1fr; }
  .toolbar-title { text-align: right; }
  .demo-clock { display: none; }
  .scenario-tabs { overflow-x: auto; }
  .scenario-tabs button { white-space: nowrap; }
  .demo-layout { grid-template-columns: 1fr; }
  .terminal-panel { border-right: 0; padding: 16px; }
  .terminal-log { min-height: 330px; max-height: 370px; padding: 14px; font-size: 10px; }
  .gate-panel { border-top: 1px solid var(--line); }
  .gate-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
  .gate-list li { grid-template-columns: 29px 1fr 10px; }
  .network-state { width: 100%; margin-left: 0; }
  .ability-grid, .quality-track { grid-template-columns: 1fr; }
  .ability-card { min-height: 235px; }
  .workflow-line { grid-template-columns: 1fr; margin: 45px 0; }
  .workflow-line li { min-height: 140px; }
  .decision-board { grid-template-columns: 1fr; padding: 18px; }
  .report-preview { grid-template-columns: 1fr; }
  .report-index { display: none; }
  .report-paper { margin: 12px; padding: 30px 22px; min-height: auto; }
  .report-paper h3 { font-size: 25px; }
  .score-row { grid-template-columns: 1fr; }
  .quality-principles { grid-template-columns: 1fr 1fr; }
  .boundary-grid { grid-template-columns: 1fr; }
  .privacy-panel { padding: 32px 21px; border-radius: 22px; }
  .privacy-copy h2 { font-size: 31px; }
  .privacy-architecture { grid-template-columns: 1fr; }
  .air-gap { padding: 14px 0; }
  .status-panel { grid-template-columns: 1fr; gap: 22px; }
  .trust-list { display: grid; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}