:root {
  --ink: #0a2138;
  --ink-2: #173a55;
  --navy: #071c2f;
  --navy-soft: #0d2a43;
  --blue: #6ca9d6;
  --cyan: #55c9d1;
  --teal: #2d9b91;
  --ice: #eaf4f9;
  --mist: #f4f8fa;
  --line: #ccdde7;
  --paper: #ffffff;
  --muted: #5d7283;
  --shadow: 0 28px 80px rgba(3, 24, 41, 0.16);
  --radius: 6px;
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: -100px; left: 20px; z-index: 100;
  padding: 10px 16px; background: var(--cyan); color: var(--navy);
  font-weight: 800; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.zh {
  display: block;
  margin-top: .45rem;
  color: var(--muted);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: .92em;
  font-weight: 520;
  line-height: 1.7;
  letter-spacing: .01em;
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(204, 221, 231, 0.78);
  backdrop-filter: blur(16px);
}
.header-inner { height: 76px; display: flex; align-items: center; gap: 28px; }
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  text-decoration: none; line-height: 1.1; flex-shrink: 0;
}
.brand-logo { display: block; width: 74px; height: auto; }
.brand strong { display: block; font-size: 14px; letter-spacing: 0.02em; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; letter-spacing: 0.02em; }
.primary-nav { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.primary-nav a {
  position: relative; font-size: 15px; font-weight: 750; text-decoration: none;
  color: var(--ink-2); white-space: nowrap; flex-shrink: 0;
}
.primary-nav a .zh { display: inline; margin: 0 0 0 6px; color: #718696; font-size: 13px; font-weight: 650; white-space: nowrap; }
.primary-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -8px;
  height: 2px; background: var(--teal); transition: right 180ms ease;
}
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { right: 0; }
.menu-toggle { display: none; }

.hero {
  position: relative; overflow: hidden; min-height: 700px;
  color: white; background:
    radial-gradient(circle at 88% 12%, rgba(85, 201, 209, 0.2), transparent 28%),
    linear-gradient(128deg, #061827 0%, #0a263d 64%, #0c3049 100%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.13;
  background-image:
    linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, black 45%, black);
}
.hero::after {
  content: ""; position: absolute; top: 0; right: -90px; width: 460px; height: 100%;
  border-left: 1px solid rgba(108, 169, 214, 0.25);
  transform: skewX(-14deg); pointer-events: none;
}
.hero-layout {
  position: relative; z-index: 1; display: grid; grid-template-columns: 1.3fr 0.78fr;
  gap: 80px; align-items: center; padding: 104px 0 78px;
}
.eyebrow, .kicker {
  margin: 0 0 24px; font-size: 14px; line-height: 1.45; font-weight: 850;
  letter-spacing: 0.16em;
}
.eyebrow { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; row-gap: 5px; align-items: center; color: #a9d7e2; }
.eyebrow-dot { grid-row: 1 / span 2; }
.eyebrow .en { grid-column: 2; }
.eyebrow .zh { grid-column: 2; display: block; margin: 0; color: #8cb0be; font-size: 13px; letter-spacing: .06em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(85, 201, 209, 0.12); }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px; margin-bottom: 28px; font-size: clamp(3.1rem, 6vw, 5.65rem);
  line-height: 0.99; letter-spacing: -0.055em; font-weight: 760;
}
h1 em { color: var(--cyan); font-style: normal; font-weight: 760; }
.hero h1 > .en { display: block; }
.hero h1 > .zh {
  max-width: 680px; margin-top: 22px; color: #bad0db; font-size: .36em;
  font-weight: 620; line-height: 1.42; letter-spacing: -.02em;
}
.hero h1 > .zh em { color: #91dfe0; font-weight: 650; }
.hero-lede { max-width: 680px; color: #bed0dc; font-size: 19px; line-height: 1.75; }
.hero-lede.en { margin-bottom: 0; }
.hero-lede.zh { margin-top: 10px; color: #94b2c0; font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
  gap: 16px; padding: 12px 18px; border: 1px solid transparent; border-radius: 3px;
  text-decoration: none; font-size: 15px; font-weight: 850; letter-spacing: 0.01em;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button .cta-label { display: block; text-align: left; line-height: 1.25; }
.button .cta-label .zh { margin-top: 3px; color: inherit; font-size: 13px; font-weight: 620; line-height: 1.4; opacity: .78; }
.button-primary { color: var(--navy); background: var(--cyan); }
.button-primary:hover { background: #77d8de; }
.button-ghost { color: white; border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.04); }
.button-ghost:hover { border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.08); }
.identity-card {
  position: relative; padding: 30px; border: 1px solid rgba(141, 198, 218, 0.28);
  background: rgba(4, 21, 35, 0.62); box-shadow: var(--shadow);
  backdrop-filter: blur(14px); border-radius: var(--radius);
}
.identity-card::before {
  content: ""; position: absolute; top: -1px; left: -1px; width: 74px; height: 4px;
  background: var(--cyan);
}
.identity-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.card-label { font-size: 13px; font-weight: 850; letter-spacing: .13em; color: #a9c9d8; }
.card-label .zh, .verified .zh { margin-top: 3px; color: #86a5b4; font-size: 13px; letter-spacing: .03em; }
.verified { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: #a9c9d8; }
.verified > span:first-child { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.identity-statement { margin: 22px 0 0; font-size: 27px; line-height: 1.34; letter-spacing: -.025em; font-weight: 720; }
.identity-statement.zh { margin: 9px 0 28px; color: #99b5c1; font-size: 16px; font-weight: 560; line-height: 1.7; letter-spacing: .01em; }
.identity-facts { margin: 0; border-top: 1px solid rgba(193, 220, 232, 0.18); }
.identity-facts > div {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid rgba(193, 220, 232, 0.14);
}
.identity-facts dt { color: #a2bbc7; font-size: 14px; }
.identity-facts dt .zh, .identity-facts dd .zh { margin-top: 3px; color: #86a4b2; font-size: 13px; line-height: 1.55; }
.identity-facts dd { margin: 0; text-align: right; color: white; font-size: 15px; font-weight: 760; line-height: 1.55; }
.proof-bar {
  position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.14);
}
.proof-item { display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: center; padding: 22px 22px 25px 0; }
.proof-item + .proof-item { padding-left: 22px; border-left: 1px solid rgba(255,255,255,.1); }
.proof-item strong { color: var(--cyan); font-size: 26px; line-height: 1; letter-spacing: -.04em; }
.proof-item b, .proof-item small { display: block; }
.proof-item b { color: #d6e4eb; font-size: 13px; line-height: 1.4; letter-spacing: .06em; text-transform: uppercase; }
.proof-item small { margin-top: 4px; color: #8aa7b5; font-size: 13px; line-height: 1.45; }

.section { padding: 112px 0; }
.section-heading {
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; align-items: end;
  margin-bottom: 62px;
}
.section-heading.compact { margin-bottom: 48px; }
.kicker { color: var(--teal); }
h2 { margin-bottom: 0; font-size: clamp(2.35rem, 4.5vw, 4.35rem); line-height: 1.08; letter-spacing: -.045em; font-weight: 740; }
.section-heading h2.zh { margin-top: 14px; color: #6a8191; font-size: clamp(1.15rem, 2vw, 1.55rem); line-height: 1.45; letter-spacing: -.015em; font-weight: 620; }
.section-intro { margin-bottom: 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.section-intro.zh { margin-top: 12px; color: #6f8796; font-size: 18px; line-height: 1.8; }

.lineage-section { background: var(--mist); }
.lineage-flow { display: grid; grid-template-columns: 1fr 52px 1fr 52px 1fr; align-items: stretch; }
.lineage-stage {
  position: relative; display: flex; flex-direction: column; min-height: 455px;
  padding: 32px 28px; background: var(--paper); border: 1px solid var(--line);
}
.lineage-stage.featured { border-color: var(--blue); box-shadow: 0 20px 50px rgba(18, 59, 86, 0.09); }
.lineage-stage.commercialization { color: white; background: var(--navy-soft); border-color: var(--navy-soft); }
.stage-index { position: absolute; top: 20px; right: 22px; color: #aac0cd; font-size: 12px; font-weight: 900; }
.stage-date { margin-bottom: 25px; color: var(--blue); font-size: 13px; font-weight: 850; letter-spacing: .08em; }
.lineage-stage h3 { margin-bottom: 2px; font-size: 28px; line-height: 1.2; letter-spacing: -.035em; }
.stage-role { color: var(--teal); font-size: 14px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.stage-role.en { margin-bottom: 0; }
.lineage-stage .stage-role.zh, .technology-card .tech-meta.zh, .company-panel .company-type.zh { margin-top: 3px; margin-bottom: 24px; color: #718b9a; font-size: 14px; line-height: 1.55; text-transform: none; letter-spacing: .03em; }
.lineage-stage.commercialization .stage-role.zh, .company-panel .company-type.zh { color: #87a9b8; }
.commercialization .stage-role { color: var(--cyan); }
.lineage-stage > p:not(.stage-date):not(.stage-role) { color: var(--muted); font-size: 16px; line-height: 1.75; }
.lineage-stage > p.en:not(.stage-date):not(.stage-role) { margin-bottom: 0; }
.lineage-stage > p.zh:not(.stage-date):not(.stage-role) { margin-top: 8px; color: #718795; font-size: 16px; line-height: 1.75; }
.commercialization > p:not(.stage-date):not(.stage-role) { color: #bcd0dc; }
.lineage-stage ul { margin: auto 0 0; padding: 18px 0 0; list-style: none; border-top: 1px solid var(--line); }
.commercialization ul { border-color: rgba(255,255,255,.16); }
.lineage-stage li { position: relative; padding: 6px 0 6px 17px; font-size: 15px; font-weight: 720; line-height: 1.55; }
.lineage-stage li .zh { margin-top: 3px; font-size: 15px; line-height: 1.55; }
.lineage-stage li::before { content: ""; position: absolute; left: 0; top: 15px; width: 7px; height: 1px; background: var(--teal); }
.commercialization li::before { background: var(--cyan); }
.flow-arrow { display: grid; place-items: center; color: var(--blue); font-size: 25px; }
.clarity-note {
  display: grid; grid-template-columns: minmax(190px, .34fr) minmax(0, 1.66fr); gap: 36px;
  margin-top: 26px; padding: 28px 32px; border-left: 4px solid var(--blue);
  background: #e7f0f5;
}
.clarity-heading { padding-right: 24px; border-right: 1px solid #c4d8e2; }
.clarity-note strong { display: block; font-size: 17px; line-height: 1.5; }
.clarity-note strong.zh { margin-top: 5px; font-size: 15px; }
.clarity-copy { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 34px; }
.clarity-note p { margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.clarity-note p.zh { margin-top: 0; padding-left: 30px; border-left: 1px solid #c4d8e2; font-size: 16px; }

.technology-section { background: var(--paper); }
.technology-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.technology-card {
  position: relative; min-height: 390px; display: flex; flex-direction: column;
  padding: 30px; border: 1px solid var(--line); overflow: hidden;
}
.technology-card::after {
  content: ""; position: absolute; right: -35px; bottom: -35px; width: 110px; height: 110px;
  border: 1px solid var(--line); transform: rotate(45deg);
}
.technology-card.emphasis-card { color: white; background: var(--navy); border-color: var(--navy); }
.tech-number {
  width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 32px;
  color: var(--teal); background: var(--ice); border-radius: 50%;
  font-size: 13px; font-weight: 900;
}
.emphasis-card .tech-number { color: var(--navy); background: var(--cyan); }
.tech-meta { color: var(--blue); font-size: 14px; font-weight: 850; line-height: 1.5; letter-spacing: .11em; }
.tech-meta.en { margin-bottom: 0; }
.technology-card .tech-meta.zh { margin-top: 3px; margin-bottom: 18px; font-size: 14px; }
.technology-card h3 { font-size: 27px; line-height: 1.25; letter-spacing: -.03em; }
.technology-card h3.en { margin-bottom: 0; }
.technology-card h3.zh { margin: 4px 0 18px; color: #627d8d; font-size: 16px; line-height: 1.6; letter-spacing: 0; font-weight: 620; }
.technology-card > p:not(.tech-meta) { color: var(--muted); font-size: 16px; line-height: 1.75; }
.technology-card > p.en:not(.tech-meta) { margin-bottom: 0; }
.technology-card > p.zh:not(.tech-meta) { margin-top: 8px; color: #718795; font-size: 16px; line-height: 1.75; }
.emphasis-card > p:not(.tech-meta) { color: #b9cfdb; }
.tech-output { margin-top: auto; padding-top: 14px; color: var(--teal); font-size: 14px; font-weight: 850; line-height: 1.55; }
.tech-output .zh { margin-top: 4px; font-size: 14px; line-height: 1.55; }
.family-list { display: grid; gap: 8px; margin-top: auto; }
.family-list small { color: #9ab4c0; font-size: 13px; line-height: 1.5; letter-spacing: .03em; text-transform: uppercase; }
.family-list span { padding: 10px 12px; border-left: 2px solid var(--cyan); background: rgba(255,255,255,.06); font-size: 14px; font-weight: 720; }
.commercial-layer {
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 55px; align-items: center;
  margin-top: 18px; padding: 36px; background: var(--ice);
}
.commercial-layer .kicker { margin-bottom: 12px; }
.commercial-layer h3 { margin-bottom: 0; font-size: 28px; line-height: 1.25; letter-spacing: -.03em; }
.commercial-layer h3.zh { margin-top: 8px; color: #617d8d; font-size: 17px; line-height: 1.6; letter-spacing: 0; }
.product-rail { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #b9d3e1; background: white; }
.product-rail a { padding: 17px 10px; text-align: center; text-decoration: none; font-size: 16px; font-weight: 800; border-right: 1px solid #b9d3e1; }
.product-rail a:last-child { border-right: 0; }
.product-rail a:hover { background: #f3f9fc; }
.product-rail span { display: block; color: var(--teal); font-size: 13px; letter-spacing: .1em; }
.ai-layer {
  display: grid; grid-template-columns: 68px 1.25fr 1fr; gap: 30px; align-items: center;
  margin-top: 18px; padding: 32px 36px; border: 1px solid var(--line); background: #f9fcfd;
}
.ai-badge { width: 58px; height: 58px; display: grid; place-items: center; color: var(--navy); background: var(--cyan); font-size: 18px; font-weight: 900; letter-spacing: .04em; }
.ai-copy .kicker { margin-bottom: 8px; }
.ai-copy h3 { margin-bottom: 9px; font-size: 26px; letter-spacing: -.03em; }
.ai-copy p { margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.ai-copy p.zh { margin-top: 8px; color: #6e8694; font-size: 16px; line-height: 1.75; }
.ai-capabilities { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
.ai-capabilities li { padding: 8px 0 8px 25px; }
.ai-capabilities span, .ai-capabilities small { display: block; }
.ai-capabilities span { color: var(--ink); font-size: 15px; font-weight: 760; }
.ai-capabilities small { margin-top: 2px; color: #6e8694; font-size: 14px; line-height: 1.5; }
.ecosystem-block { padding: 42px; background: #f3f9fb; border-top: 4px solid var(--teal); }
.ecosystem-heading { display: grid; grid-template-columns: .92fr 1.08fr; gap: 70px; align-items: end; }
.ecosystem-heading .kicker { margin-bottom: 10px; }
.ecosystem-heading h3 { margin: 0; font-size: 31px; line-height: 1.18; letter-spacing: -.035em; }
.ecosystem-heading h3.zh { margin-top: 8px; color: #607d8c; font-size: 17px; line-height: 1.6; letter-spacing: 0; }
.ecosystem-heading > div:last-child > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.ecosystem-heading > div:last-child > p.zh { margin-top: 9px; color: #6e8795; font-size: 16px; }
.ecosystem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 32px; }
.ecosystem-grid article { padding: 30px; background: white; border: 1px solid var(--line); }
.ecosystem-label { margin: 0 0 12px; color: var(--teal); font-size: 13px; font-weight: 850; letter-spacing: .12em; }
.ecosystem-grid h4, .ecosystem-agent h4 { margin: 0; color: var(--ink); font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
.ecosystem-grid h4.zh, .ecosystem-agent h4.zh { margin-top: 5px; color: #617e8d; font-size: 15px; line-height: 1.6; letter-spacing: 0; }
.ecosystem-grid ul { margin: 24px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.ecosystem-grid li { position: relative; padding: 13px 0 13px 18px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 15px; font-weight: 670; line-height: 1.55; }
.ecosystem-grid li::before { content: ""; position: absolute; top: 24px; left: 0; width: 8px; height: 1px; background: var(--cyan); }
.ecosystem-grid li .zh { margin-top: 3px; color: #718996; font-size: 15px; line-height: 1.55; }
.ecosystem-agent { display: grid; grid-template-columns: .65fr .72fr .88fr; gap: 32px; align-items: center; margin-top: 18px; padding: 26px 30px; color: white; background: var(--navy); }
.ecosystem-agent .ecosystem-label { color: var(--cyan); }
.ecosystem-agent h4 { color: white; }
.ecosystem-agent h4.zh { color: #9db9c6; }
.ecosystem-agent > p { margin: 0; color: #c0d3dc; font-size: 15px; line-height: 1.72; }
.ecosystem-agent > p.zh { padding-left: 28px; border-left: 1px solid rgba(255,255,255,.16); color: #9db6c2; font-size: 15px; }
.ecosystem-actions { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-top: 20px; }
.ecosystem-actions > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.ecosystem-actions > p .zh { margin-top: 3px; color: #6e8795; font-size: 14px; }
.linkedin-link { display: inline-flex; align-items: center; gap: 10px; padding: 11px 14px; color: white; background: #0a66c2; border-radius: 3px; text-decoration: none; font-size: 14px; line-height: 1; }
.linkedin-link:hover { background: #07559f; }
.linkedin-link > span { display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid rgba(255,255,255,.76); font-family: Arial, sans-serif; font-size: 14px; font-weight: 900; }
.linkedin-link b { font-weight: 780; }
.linkedin-link i { font-style: normal; opacity: .85; }
.engagement-strip { display: grid; grid-template-columns: .55fr 1.45fr; gap: 30px; align-items: center; margin-top: 18px; padding: 26px 30px; color: white; background: var(--navy); }
.engagement-strip .kicker { margin-bottom: 3px; color: var(--cyan); }
.engagement-strip > div > .zh { margin: 2px 0 0; color: #93adba; font-size: 14px; }
.engagement-strip ul { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.engagement-strip li { padding: 5px 17px; border-left: 1px solid rgba(255,255,255,.14); }
.engagement-strip strong, .engagement-strip small { display: block; }
.engagement-strip strong { font-size: 15px; line-height: 1.5; }
.engagement-strip small { margin-top: 4px; color: #92adba; font-size: 14px; line-height: 1.5; }

.governance-section { color: white; background: var(--navy); }
.governance-section .section-intro { color: #a8becb; }
.governance-section .section-heading h2.zh { color: #86a5b4; }
.governance-section .section-intro.zh { color: #718f9f; }
.ip-model-note { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; margin: -4px 0 30px; padding: 34px; color: var(--ink); background: #dff4f4; border-top: 4px solid var(--cyan); }
.ip-model-note .kicker { margin-bottom: 10px; }
.ip-model-note h3 { margin-bottom: 0; font-size: 27px; line-height: 1.25; letter-spacing: -.03em; }
.ip-model-note h3.zh { margin-top: 8px; color: #577786; font-size: 16px; line-height: 1.65; letter-spacing: 0; }
.ip-model-note p { margin-bottom: 0; color: #456273; font-size: 16px; line-height: 1.75; }
.ip-model-note p.zh { margin-top: 10px; color: #5c7886; font-size: 16px; line-height: 1.75; }
.ip-evidence { margin: 30px 0; padding: 42px; color: var(--ink); background: white; }
.evidence-heading {
  display: block;
  padding-bottom: 32px; border-bottom: 1px solid var(--line);
}
.evidence-heading .kicker { margin-bottom: 10px; }
.evidence-title { max-width: none; }
.evidence-heading h3 { margin-bottom: 0; font-size: 34px; line-height: 1.2; letter-spacing: -.035em; }
.evidence-heading h3.zh { margin-top: 8px; color: #607c8b; font-size: 17px; line-height: 1.65; letter-spacing: 0; }
.evidence-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 40px; margin-top: 22px; }
.evidence-intro p { margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.evidence-intro p.zh { margin-top: 0; padding-left: 34px; border-left: 1px solid var(--line); color: #6e8694; font-size: 16px; line-height: 1.75; }
.evidence-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); margin: 0;
  border-bottom: 1px solid var(--line);
}
.evidence-metrics > div { display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: center; padding: 25px 18px; }
.evidence-metrics > div:first-child { padding-left: 0; }
.evidence-metrics > div + div { border-left: 1px solid var(--line); }
.evidence-metrics dt { color: var(--teal); font-size: 30px; font-weight: 850; line-height: 1; letter-spacing: -.04em; }
.evidence-metrics dd { margin: 0; }
.evidence-metrics strong, .evidence-metrics span { display: block; }
.evidence-metrics strong { font-size: 14px; line-height: 1.4; }
.evidence-metrics span { margin-top: 4px; color: #718795; font-size: 14px; line-height: 1.5; }
.evidence-portfolios { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 30px; }
.evidence-portfolio { border: 1px solid var(--line); }
.evidence-portfolio > header {
  min-height: 164px; display: flex; justify-content: space-between; gap: 24px;
  padding: 26px 26px 22px; background: #f3f8fa; border-bottom: 1px solid var(--line);
}
.robichip-portfolio > header { background: #e5f5f4; }
.evidence-overline { margin-bottom: 8px; color: var(--teal); font-size: 14px; font-weight: 850; line-height: 1.45; letter-spacing: .09em; }
.evidence-portfolio h4 { margin: 0; font-size: 22px; line-height: 1.35; letter-spacing: -.025em; }
.evidence-portfolio header .zh { margin-top: 7px; color: #647f8e; font-size: 15px; line-height: 1.65; }
.portfolio-count {
  height: max-content; flex-shrink: 0; padding: 6px 9px; border: 1px solid #aecbd8;
  color: #55717f; font-size: 13px; font-weight: 750; line-height: 1.3; white-space: nowrap;
}
.ip-records { margin: 0; padding: 0 26px; list-style: none; }
.ip-records li { padding: 24px 0 23px; }
.ip-records li + li { border-top: 1px solid var(--line); }
.record-status {
  width: max-content; margin-bottom: 11px; padding: 4px 8px; border-radius: 2px;
  font-size: 13px; font-weight: 850; line-height: 1.4; letter-spacing: .035em; text-transform: uppercase;
}
.record-status.granted { color: #0b625c; background: #dff3ef; }
.record-status.published { color: #775412; background: #fff1cb; }
.record-status.provisional { color: #174f70; background: #e1f0f8; }
.ip-records h5 { margin: 0 0 10px; font-size: 17px; line-height: 1.5; letter-spacing: -.01em; }
.record-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 18px; color: #617a89; font-size: 14px; line-height: 1.55; }
.record-meta span, .record-meta a { font-weight: 780; }
.record-meta a { color: var(--teal); text-underline-offset: 3px; }
.record-meta a:hover { color: var(--ink); }
.record-note { margin: 8px 0 0; color: #8a681f; font-size: 14px; line-height: 1.55; }
.evidence-governance-note {
  display: grid; grid-template-columns: .42fr 1.58fr; gap: 32px;
  margin-top: 20px; padding: 20px 22px; background: var(--mist); border-left: 3px solid var(--blue);
}
.evidence-update { color: var(--teal); font-size: 13px; font-weight: 850; line-height: 1.55; letter-spacing: .07em; }
.evidence-governance-note p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.evidence-governance-note p.zh { margin-top: 7px; color: #6e8694; font-size: 15px; line-height: 1.7; }
.relationship-map { display: grid; grid-template-columns: 1fr .58fr 1fr; gap: 28px; align-items: stretch; }
.company-panel { position: relative; padding: 34px; border: 1px solid rgba(182, 214, 228, .24); background: rgba(255,255,255,.035); }
.company-panel.robi-panel { background: rgba(85, 201, 209, .07); border-color: rgba(85, 201, 209, .45); }
.company-code {
  position: absolute; top: 22px; right: 24px; color: rgba(255,255,255,.2);
  font-size: 28px; font-weight: 900; letter-spacing: -.04em;
}
.company-type { padding-right: 55px; color: var(--cyan); font-size: 14px; font-weight: 850; line-height: 1.5; letter-spacing: .08em; }
.company-type.en { margin-bottom: 0; }
.company-panel .company-type.zh { margin: 4px 0 22px; color: #86a5b4; font-size: 14px; line-height: 1.55; }
.company-panel h3 { margin-bottom: 32px; font-size: 32px; letter-spacing: -.04em; }
.company-panel ul { margin: 0; padding: 0; list-style: none; }
.company-panel li { padding: 14px 0; border-top: 1px solid rgba(255,255,255,.12); color: #c1d3dc; font-size: 16px; line-height: 1.6; }
.company-panel li .zh { margin-top: 4px; color: #86a4b2; font-size: 15px; line-height: 1.6; }
.transfer-column { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: var(--cyan); }
.transfer-line { position: relative; width: 100%; height: 1px; margin: 19px 0; background: linear-gradient(90deg, transparent, var(--cyan), transparent); }
.transfer-line:first-child::after {
  content: "→"; position: absolute; right: -3px; top: -17px; padding-left: 4px;
  color: var(--cyan); background: var(--navy); font-size: 22px;
}
.transfer-column strong { font-size: 14px; line-height: 1.6; letter-spacing: .04em; }
.transfer-column small { margin-top: 8px; color: #91aab7; font-size: 13px; line-height: 1.6; }
.transfer-column .zh { margin-top: 5px; color: #83a1af; font-size: 13px; line-height: 1.6; }
.portfolio-note { max-width: 900px; margin: 22px 0 0; color: #90a8b5; font-size: 13px; line-height: 1.7; }
.portfolio-note.zh { margin-top: 5px; color: #7896a5; font-size: 13px; line-height: 1.7; }
.governance-records {
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center;
  margin-top: 70px; padding: 42px; color: var(--ink); background: white;
}
.governance-copy h3 { font-size: 31px; line-height: 1.25; letter-spacing: -.035em; }
.governance-copy h3.en { margin-bottom: 0; }
.governance-copy h3.zh { margin: 6px 0 18px; color: #607c8b; font-size: 17px; line-height: 1.65; letter-spacing: 0; }
.governance-copy > p { color: var(--muted); font-size: 16px; line-height: 1.75; }
.governance-copy > p.en { margin-bottom: 0; }
.governance-copy > p.zh { margin-top: 8px; margin-bottom: 0; color: #6e8694; font-size: 16px; line-height: 1.75; }
.governance-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; }
.governance-list li { display: flex; gap: 14px; padding: 18px; border-top: 1px solid var(--line); }
.governance-list li:nth-child(-n+2) { border-top: 0; }
.governance-list li:nth-child(odd) { border-right: 1px solid var(--line); }
.governance-list li > span { color: var(--teal); font-size: 12px; font-weight: 900; }
.governance-list strong, .governance-list small { display: block; }
.governance-list strong { margin-bottom: 4px; font-size: 15px; line-height: 1.5; }
.governance-list strong.zh, .governance-list small.zh { margin-top: 3px; color: #6f8795; font-size: 14px; line-height: 1.6; }
.governance-list small { color: var(--muted); font-size: 14px; line-height: 1.6; }

.track-section { background: var(--mist); }
.career-timeline { position: relative; }
.career-timeline::before { content: ""; position: absolute; top: 12px; bottom: 12px; left: 130px; width: 1px; background: #b9cfdb; }
.career-timeline article { display: grid; grid-template-columns: 110px 1fr; gap: 50px; position: relative; padding: 0 0 42px; }
.career-timeline article:last-child { padding-bottom: 0; }
.career-timeline article::before {
  content: ""; position: absolute; top: 9px; left: 125px; z-index: 1;
  width: 11px; height: 11px; border: 3px solid var(--mist); border-radius: 50%; background: var(--teal);
}
.career-timeline time { padding-top: 1px; color: var(--teal); text-align: right; font-size: 14px; font-weight: 850; letter-spacing: .04em; }
.career-timeline h3 { margin-bottom: 3px; font-size: 24px; line-height: 1.25; letter-spacing: -.025em; }
.career-timeline p { margin-bottom: 0; color: var(--ink-2); font-size: 16px; font-weight: 750; line-height: 1.65; }
.career-timeline p.zh { margin-top: 4px; color: #6f8795; font-size: 16px; font-weight: 600; line-height: 1.65; }
.career-timeline div > span { display: block; margin-top: 8px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.career-timeline div > span.zh { margin-top: 4px; color: #728996; font-size: 16px; line-height: 1.65; }

.closing-section { padding: 88px 0; color: white; background: var(--teal); }
.closing-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; align-items: end; }
.closing-section .kicker { color: #c9f2ef; }
.closing-section h2 { font-size: clamp(2.6rem, 4.4vw, 4.5rem); }
.closing-section h2.zh { margin-top: 16px; color: #cef0ed; font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.45; letter-spacing: -.01em; }
.closing-copy > p { color: #e0f4f2; font-size: 17px; line-height: 1.75; }
.closing-copy > p.en { margin-bottom: 0; }
.closing-copy > p.zh { margin: 10px 0 28px; color: #c7e7e4; font-size: 17px; line-height: 1.75; }
.button-light { color: var(--navy); background: white; }
.button-light:hover { background: #effbfa; }

.site-footer { color: #a9bdc9; background: #04131f; }
.footer-grid { min-height: 150px; display: grid; grid-template-columns: .8fr 1fr .8fr; gap: 50px; align-items: center; }
.footer-brand strong { color: white; }
.footer-brand small { color: #7591a2; }
.footer-logo-wrap { display: grid; place-items: center; padding: 7px 9px; background: white; border-radius: 3px; }
.footer-logo-wrap .brand-logo { width: 66px; }
.footer-grid > p { margin: 0; text-align: center; font-size: 14px; line-height: 1.6; }
.footer-grid > p .zh { margin-top: 4px; color: #819ba9; font-size: 14px; line-height: 1.6; }
.footer-links { display: flex; justify-content: flex-end; gap: 20px; }
.footer-links a { color: #c0d3dd; font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: var(--cyan); }
.footer-legal {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 18px 0 26px; border-top: 1px solid rgba(255,255,255,.09);
  font-size: 13px; line-height: 1.6; letter-spacing: .02em;
}
.legal-note { text-align: right; }
.legal-note .zh { margin-top: 4px; color: #7894a2; font-size: 13px; line-height: 1.6; }

:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

@media (max-width: 1240px) and (min-width: 981px) {
  .header-inner > .brand > span:last-child { display: none; }
  .primary-nav { gap: 18px; }
}

@media (max-width: 980px) {
  :root { --shell: min(100% - 34px, 760px); }
  .primary-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; margin: 0; padding: 18px 24px 24px; flex-direction: column; align-items: flex-start; background: white; border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px rgba(8, 30, 48, .1); }
  .primary-nav.open { display: flex; }
  .menu-toggle { order: 2; display: inline-flex; flex-direction: column; justify-content: center; gap: 6px; width: 42px; height: 42px; margin-left: auto; padding: 10px; border: 1px solid var(--line); background: white; cursor: pointer; }
  .menu-toggle span:not(.sr-only) { width: 100%; height: 2px; background: var(--ink); }
  .hero { min-height: auto; }
  .hero-layout { grid-template-columns: 1fr; gap: 52px; padding: 80px 0 60px; }
  h1 { font-size: clamp(3rem, 10vw, 5rem); }
  .identity-card { max-width: 620px; }
  .section-heading, .section-heading.compact { grid-template-columns: 1fr; gap: 28px; margin-bottom: 46px; }
  .lineage-flow { grid-template-columns: 1fr; gap: 14px; }
  .flow-arrow { height: 24px; transform: rotate(90deg); }
  .lineage-stage { min-height: 0; }
  .clarity-note { grid-template-columns: 1fr; gap: 18px; }
  .clarity-heading { padding: 0 0 14px; border-right: 0; border-bottom: 1px solid #c4d8e2; }
  .clarity-copy { grid-template-columns: 1fr; gap: 10px; }
  .clarity-note p.zh { padding: 10px 0 0; border-top: 1px solid #c4d8e2; border-left: 0; }
  .technology-grid { grid-template-columns: 1fr 1fr; }
  .technology-card:last-child { grid-column: 1 / -1; }
  .commercial-layer { grid-template-columns: 1fr; gap: 24px; }
  .ai-layer { grid-template-columns: 58px 1fr; }
  .ai-capabilities { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); padding-top: 10px; }
  .ai-capabilities li { padding-left: 0; }
  .ecosystem-heading { grid-template-columns: 1fr; gap: 22px; }
  .ecosystem-agent { grid-template-columns: 1fr 1fr; }
  .ecosystem-agent > p.zh { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.16); padding-top: 16px; }
  .engagement-strip { grid-template-columns: 1fr; }
  .ip-model-note { grid-template-columns: 1fr; gap: 16px; }
  .evidence-intro { grid-template-columns: 1fr; gap: 10px; }
  .evidence-intro p.zh { padding: 10px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .evidence-metrics { grid-template-columns: 1fr 1fr; }
  .evidence-metrics > div:nth-child(3) { padding-left: 0; }
  .evidence-metrics > div:nth-child(3), .evidence-metrics > div:nth-child(4) { border-top: 1px solid var(--line); }
  .evidence-metrics > div:nth-child(3) { border-left: 0; }
  .evidence-portfolios { grid-template-columns: 1fr; }
  .relationship-map { grid-template-columns: 1fr; }
  .transfer-column { padding: 5px 25%; }
  .transfer-line:first-child::after { right: 50%; transform: translateX(50%) rotate(90deg); top: -18px; }
  .governance-records { grid-template-columns: 1fr; gap: 24px; }
  .closing-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; padding: 36px 0; }
  .footer-grid > p { grid-row: 2; grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 640px) {
  :root { --shell: min(100% - 28px, 560px); }
  body { font-size: 16px; }
  .header-inner { height: 68px; gap: 9px; }
  .header-inner > .brand > span:last-child { display: none; }
  .brand-logo { width: 66px; }
  .primary-nav { top: 68px; }
  .menu-toggle { width: 38px; height: 38px; }
  .hero-layout { padding: 65px 0 50px; }
  h1 { font-size: clamp(2.75rem, 13vw, 4.2rem); }
  .hero-lede { font-size: 17px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .identity-card { padding: 24px; }
  .identity-statement { font-size: 23px; }
  .identity-facts > div { grid-template-columns: 1fr; gap: 2px; }
  .identity-facts dd { text-align: left; }
  .proof-bar { grid-template-columns: 1fr 1fr; }
  .proof-item { padding: 18px 14px 18px 0; }
  .proof-item + .proof-item { padding-left: 14px; }
  .proof-item:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .proof-item:nth-child(4) { border-top: 1px solid rgba(255,255,255,.1); }
  .section { padding: 82px 0; }
  h2 { font-size: clamp(2.25rem, 11vw, 3.35rem); }
  .lineage-stage, .technology-card { padding: 26px 23px; }
  .technology-grid { grid-template-columns: 1fr; }
  .technology-card:last-child { grid-column: auto; }
  .commercial-layer { padding: 26px 22px; }
  .ai-layer { grid-template-columns: 1fr; padding: 26px 22px; }
  .ai-capabilities { grid-column: auto; }
  .ecosystem-block { padding: 28px 22px; }
  .ecosystem-heading h3 { font-size: 27px; }
  .ecosystem-grid, .ecosystem-agent { grid-template-columns: 1fr; }
  .ecosystem-grid article { padding: 24px 20px; }
  .ecosystem-agent { padding: 24px 20px; gap: 18px; }
  .ecosystem-agent > p.zh { padding-top: 16px; }
  .ecosystem-actions { align-items: stretch; flex-direction: column; }
  .linkedin-link { justify-content: center; min-height: 46px; }
  .engagement-strip { padding: 24px 22px; }
  .engagement-strip ul { grid-template-columns: 1fr 1fr; gap: 14px 0; }
  .engagement-strip li:nth-child(odd) { padding-left: 0; border-left: 0; }
  .ip-model-note { padding: 26px 22px; }
  .ip-evidence { padding: 28px 22px; }
  .evidence-heading h3 { font-size: 27px; }
  .evidence-metrics { grid-template-columns: 1fr; padding: 12px 0; }
  .evidence-metrics > div:nth-child(n) { padding: 15px 0; border-top: 1px solid var(--line); border-left: 0; }
  .evidence-metrics > div:first-child { border-top: 0; }
  .evidence-portfolio > header { min-height: 0; flex-direction: column; padding: 23px 20px 20px; }
  .portfolio-count { align-self: flex-start; }
  .ip-records { padding: 0 20px; }
  .record-meta { flex-direction: column; gap: 3px; }
  .evidence-governance-note { grid-template-columns: 1fr; gap: 8px; padding: 19px; }
  .product-rail { grid-template-columns: 1fr 1fr; }
  .product-rail a:nth-child(2) { border-right: 0; }
  .product-rail a:nth-child(-n+2) { border-bottom: 1px solid #b9d3e1; }
  .governance-records { padding: 28px 22px; }
  .governance-list { grid-template-columns: 1fr; }
  .governance-list li:nth-child(n) { border-right: 0; border-top: 1px solid var(--line); }
  .governance-list li:first-child { border-top: 0; }
  .career-timeline::before { left: 6px; }
  .career-timeline article { grid-template-columns: 1fr; gap: 4px; padding-left: 28px; }
  .career-timeline article::before { left: 1px; }
  .career-timeline time { text-align: left; }
  .closing-section { padding: 72px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-grid > p { grid-row: auto; grid-column: auto; }
  .footer-links { justify-content: flex-start; flex-wrap: wrap; }
  .footer-legal { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}