:root {
  --ink: #0b2a3c;
  --muted: #5b7280;
  --paper: #f5fafc;
  --line: #dcebf1;
  --navy: #051f31;
  --accent: #10a6dd;
  --accent-2: #ef5b6b;
  --accent-soft: rgba(16, 166, 221, .12);
  --white: #fff;
  --container: min(1180px, calc(100% - 48px));
}

body.eye-page { --accent: #16a9dc; --accent-2: #7369ef; --accent-soft: rgba(115, 105, 239, .12); }
body.cognitive-page { --accent: #18aa9c; --accent-2: #f1b349; --accent-soft: rgba(24, 170, 156, .12); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: var(--container); margin: 0 auto; }
.section { position: relative; padding: 110px 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 76px;
  border-bottom: 1px solid rgba(8, 96, 133, .12);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(18px);
}
.nav-shell { width: min(1240px, calc(100% - 48px)); height: 100%; margin: auto; display: flex; align-items: center; gap: 32px; }
.brand img { width: 122px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 31px; margin-left: auto; }
.site-nav a { color: #426171; font-size: 13px; transition: color .22s ease; }
.site-nav a:hover { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.language-toggle {
  min-width: 78px;
  height: 38px;
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(22, 58, 98, .16);
  border-radius: 999px;
  color: #36576a;
  background: rgba(255, 255, 255, .82);
  font: inherit;
  font-size: 11px;
  font-weight: 750;
  line-height: 1;
  cursor: pointer;
  transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease;
}
.language-toggle:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: #fff; transform: translateY(-1px); }
.language-toggle:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent); outline-offset: 2px; }
.language-toggle i { width: 1px; height: 13px; display: block; background: rgba(54, 87, 106, .25); }
.language-toggle [data-language-next] { color: #8aa0ab; }
.nav-cta { padding: 10px 21px; border-radius: 999px; color: #fff; background: linear-gradient(135deg, var(--accent), #087db3); box-shadow: 0 10px 26px rgba(9, 137, 192, .22); font-size: 13px; font-weight: 650; }

html[data-language="en"] body { font-family: Inter, "SF Pro Display", "Segoe UI", Arial, system-ui, -apple-system, sans-serif; }
html[data-language="en"] .site-nav { gap: 24px; }
html[data-language="en"] .site-nav a { font-size: 12.5px; }
html[data-language="en"] h1,
html[data-language="en"] h2,
html[data-language="en"] h3 { letter-spacing: -.032em; }
html[data-language="en"] h1 { line-height: 1.06; }
html[data-language="en"] .hero-lead,
html[data-language="en"] .section-heading p,
html[data-language="en"] .position-copy > p { line-height: 1.72; }
html[data-language="en"] .dimension-card h3,
html[data-language="en"] .capability-card h3,
html[data-language="en"] .scenario-card h3 { line-height: 1.28; }
html[data-language="en"] .dimension-card p,
html[data-language="en"] .capability-card p,
html[data-language="en"] .scenario-card p,
html[data-language="en"] .workflow-step p { line-height: 1.58; }
html[data-language="en"] .system-core span { max-width: 130px; margin: 0 auto; line-height: 1.25; }
html[data-language="en"] .orbit-node { padding: 10px; line-height: 1.25; }

.hero {
  position: relative;
  min-height: 860px;
  padding: 155px 0 48px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 82% 24%, rgba(51, 199, 240, .27), transparent 31%),
    linear-gradient(118deg, #051f31 0%, #073c58 55%, #0877a4 100%);
}
.eye-page .hero { background: radial-gradient(circle at 80% 24%, rgba(125, 111, 244, .3), transparent 31%), linear-gradient(118deg, #061e32 0%, #163a62 55%, #4157a2 100%); }
.cognitive-page .hero { background: radial-gradient(circle at 80% 24%, rgba(240, 181, 76, .23), transparent 32%), linear-gradient(118deg, #062b36 0%, #075765 58%, #0b8a86 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: radial-gradient(circle, rgba(255,255,255,.8) 1px, transparent 1px); background-size: 30px 30px; mask-image: linear-gradient(to bottom, #000, transparent 88%); }
.hero::after { content: ""; position: absolute; width: 620px; height: 620px; right: -210px; bottom: -360px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.025), 0 0 0 160px rgba(255,255,255,.018); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .94fr 1.06fr; gap: 62px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #93e5fb; font-size: 12px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 25px; height: 2px; border-radius: 2px; background: var(--accent-2); }
.eyebrow.dark { color: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 22px 0 25px; font-size: clamp(48px, 5vw, 72px); line-height: 1.13; letter-spacing: -.05em; font-weight: 720; }
.hero-lead { max-width: 610px; margin-bottom: 32px; color: rgba(226, 246, 252, .79); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { min-height: 50px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border-radius: 12px; font-size: 14px; font-weight: 700; transition: transform .23s ease, box-shadow .23s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #087cae; background: #fff; box-shadow: 0 15px 38px rgba(0,0,0,.17); }
.button-secondary { color: #fff; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.06); }
.hero-points { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 34px; color: rgba(221, 244, 251, .68); font-size: 11px; }
.hero-points span::before { content: "✓"; margin-right: 7px; color: #72dcf4; font-weight: 900; }

.hero-visual { position: relative; min-height: 505px; display: grid; place-items: center; }
.hero-ring { position: absolute; width: 480px; height: 480px; border: 1px solid rgba(153, 228, 248, .22); border-radius: 50%; box-shadow: 0 0 0 55px rgba(255,255,255,.02); }
.hero-ring::after { content: ""; position: absolute; inset: 55px; border: 1px dashed rgba(148, 224, 245, .22); border-radius: inherit; animation: orbit 38s linear infinite; }
@keyframes orbit { to { transform: rotate(360deg); } }
.device-card { position: relative; z-index: 3; width: 72%; min-height: 430px; padding: 18px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.34); border-radius: 28px; background: rgba(255,255,255,.94); box-shadow: 0 38px 80px rgba(0, 23, 40, .4); transform: perspective(1100px) rotateY(-6deg); }
.device-card img { width: 100%; height: 400px; object-fit: contain; border-radius: 18px; }
.cognitive-page .device-card { width: 92%; min-height: 355px; padding: 12px; }
.cognitive-page .device-card img { height: auto; aspect-ratio: 1.62; object-fit: cover; }
.visual-badge { position: absolute; z-index: 5; min-width: 125px; padding: 12px 15px; display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,.25); border-radius: 14px; background: rgba(4, 35, 54, .83); box-shadow: 0 18px 40px rgba(0,0,0,.2); backdrop-filter: blur(12px); }
.visual-badge strong { color: #7de5f8; font-size: 21px; line-height: 1.2; }
.visual-badge small { margin-top: 3px; color: rgba(230, 249, 253, .65); font-size: 10px; }
.badge-top { left: 0; top: 38px; }
.badge-bottom { right: 0; bottom: 39px; }

.hero-metrics { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 43px; border-top: 1px solid rgba(255,255,255,.15); }
.hero-metrics div { padding: 26px 34px 2px; border-right: 1px solid rgba(255,255,255,.13); }
.hero-metrics div:first-child { padding-left: 0; }
.hero-metrics div:last-child { border-right: 0; }
.hero-metrics strong, .hero-metrics span { display: block; }
.hero-metrics strong { font-size: 16px; }
.hero-metrics span { color: rgba(220, 244, 250, .6); font-size: 11px; }

.section-heading { max-width: 810px; margin-bottom: 52px; }
.section-heading.center { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading.center .eyebrow { justify-content: center; }
.section-heading h2 { margin: 17px 0 17px; font-size: clamp(36px, 4vw, 52px); line-height: 1.2; letter-spacing: -.042em; }
.section-heading p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.9; }

.positioning { background: #fff; }
.position-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: center; }
.position-copy h2 { margin: 18px 0 22px; font-size: clamp(37px, 4vw, 53px); line-height: 1.18; letter-spacing: -.045em; }
.position-copy > p { color: var(--muted); font-size: 16px; line-height: 1.95; }
.position-note { margin-top: 27px; padding: 17px 18px; border-left: 3px solid var(--accent-2); border-radius: 0 11px 11px 0; color: #496776; background: var(--paper); font-size: 12px; }
.dimension-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.dimension-card { min-height: 220px; padding: 28px; border: 1px solid var(--line); border-radius: 21px; background: linear-gradient(145deg, #f4fbfd, #fff); box-shadow: 0 15px 40px rgba(16, 76, 99, .05); }
.dimension-card:nth-child(2) { background: linear-gradient(145deg, color-mix(in srgb, var(--accent-soft) 75%, white), #fff); }
.dimension-card span { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; font-weight: 800; }
.dimension-card h3 { margin: 38px 0 11px; font-size: 21px; }
.dimension-card p { margin: 0; color: var(--muted); font-size: 13px; }

.capabilities { background: var(--paper); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.capability-card { position: relative; min-height: 278px; padding: 30px; border: 1px solid var(--line); border-radius: 21px; background: #fff; box-shadow: 0 13px 38px rgba(13, 69, 92, .045); }
.capability-card .num { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; font-weight: 800; }
.capability-card h3 { margin: 49px 0 12px; font-size: 20px; }
.capability-card p { margin: 0; color: var(--muted); font-size: 13px; }
.capability-card::after { content: "↗"; position: absolute; right: 23px; top: 23px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; color: var(--accent); background: var(--accent-soft); }

.workflow { color: #fff; background: var(--navy); }
.workflow .section-heading h2 { color: #fff; }
.workflow .section-heading p { color: rgba(219, 241, 248, .64); }
.workflow-steps { display: grid; grid-template-columns: repeat(5, 1fr); }
.workflow-step { padding-right: 26px; }
.workflow-step .num { color: #73dff3; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; }
.step-line { position: relative; height: 1px; margin: 19px 0 27px; background: rgba(255,255,255,.17); }
.step-line::before { content: ""; position: absolute; left: 0; top: -4px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent-2) 18%, transparent); }
.workflow-step h3 { margin-bottom: 9px; font-size: 17px; }
.workflow-step p { margin: 0; color: rgba(213, 238, 246, .58); font-size: 12px; }

.experience { overflow: hidden; background: #fff; }
.experience-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.experience-main, .experience-side > figure { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 25px; background: linear-gradient(145deg, #eef8fb, #fff); }
.experience-main { min-height: 620px; padding: 35px; display: grid; place-items: center; }
.experience-main img { width: 100%; height: 550px; object-fit: contain; }
.experience-main.landscape img { height: auto; aspect-ratio: 1.65; object-fit: cover; border-radius: 17px; }
.experience-side { display: grid; grid-template-rows: repeat(2, 1fr); gap: 20px; }
.experience-side > figure { min-height: 300px; padding: 24px; display: grid; place-items: center; }
.experience-side img { width: 100%; height: 248px; object-fit: contain; }
.experience-side .report-crop img { object-fit: cover; object-position: top; border-radius: 15px; }
.media-label { position: absolute; left: 20px; top: 18px; z-index: 3; padding: 7px 10px; border-radius: 8px; color: #fff; background: rgba(5, 34, 51, .82); backdrop-filter: blur(10px); font-size: 10px; font-weight: 700; }

.scenarios { background: var(--paper); }
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 17px; }
.scenario-card { min-height: 260px; padding: 29px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.scenario-card .num { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; font-weight: 800; }
.scenario-card h3 { margin: 48px 0 11px; font-size: 18px; }
.scenario-card p { margin: 0; color: var(--muted); font-size: 12px; }

.system-section { color: #fff; background: linear-gradient(125deg, #073650, #087dac); overflow: hidden; }
.eye-page .system-section { background: linear-gradient(125deg, #17375b, #4b57a2); }
.cognitive-page .system-section { background: linear-gradient(125deg, #07515e, #0b948d); }
.system-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
.system-copy h2 { margin: 18px 0 20px; font-size: clamp(36px, 4vw, 52px); line-height: 1.2; letter-spacing: -.043em; }
.system-copy > p { color: rgba(222, 245, 251, .7); }
.system-list { margin-top: 27px; display: grid; gap: 11px; }
.system-list div { padding: 15px 17px; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; background: rgba(255,255,255,.06); }
.system-list b, .system-list span { display: block; }
.system-list b { font-size: 13px; }.system-list span { color: rgba(222, 244, 250, .62); font-size: 11px; }
.system-orbit { position: relative; min-height: 490px; }
.system-core { position: absolute; z-index: 3; left: 50%; top: 50%; width: 190px; height: 190px; transform: translate(-50%,-50%); display: grid; place-content: center; text-align: center; border: 1px solid rgba(255,255,255,.31); border-radius: 50%; background: radial-gradient(circle at 35% 25%, color-mix(in srgb, var(--accent) 82%, white), #0878a5 70%); box-shadow: 0 0 0 35px rgba(255,255,255,.04), 0 0 0 70px rgba(255,255,255,.023); }
.system-core strong { font-size: 20px; }.system-core span { color: #b9eff8; font-size: 10px; }
.orbit-node { position: absolute; z-index: 4; width: 105px; height: 105px; display: grid; place-items: center; text-align: center; border: 1px solid rgba(255,255,255,.22); border-radius: 24px; background: rgba(4, 37, 55, .63); box-shadow: 0 16px 36px rgba(0, 28, 44, .25); backdrop-filter: blur(10px); font-size: 12px; font-weight: 700; }
.node-a { left: 4%; top: 8%; }.node-b { right: 4%; top: 8%; }.node-c { left: 7%; bottom: 5%; }.node-d { right: 6%; bottom: 4%; }

.disclaimer { padding: 28px 0; border-bottom: 1px solid var(--line); color: #718996; background: #f8fbfc; font-size: 11px; }
.disclaimer strong { color: #486878; }
.final-cta { padding: 82px 0; background: #eef7fa; }
.cta-shell { padding: 54px 60px; display: flex; align-items: center; justify-content: space-between; gap: 54px; border-radius: 28px; color: #fff; background: linear-gradient(125deg, #061f30, #0877a5); }
.eye-page .cta-shell { background: linear-gradient(125deg, #102d4d, #4b57a1); }
.cognitive-page .cta-shell { background: linear-gradient(125deg, #073b45, #0a8a83); }
.cta-shell h2 { margin: 15px 0 11px; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.23; letter-spacing: -.04em; }
.cta-shell p { max-width: 760px; margin: 0; color: rgba(224, 245, 251, .68); }
.cta-button { flex: 0 0 auto; color: #0878a8; background: #fff; }

footer { padding: 34px 0; border-top: 1px solid var(--line); background: #fff; }
.footer-inner { display: flex; align-items: center; gap: 23px; }
.footer-inner img { width: 105px; }
.footer-inner p { margin: 0; color: #78909c; font-size: 11px; }
.footer-inner > a:last-child { margin-left: auto; color: #5f7a88; font-size: 11px; }

@media (max-width: 1020px) {
  .site-nav { display: none; }
  .nav-actions { margin-left: auto; }
  .hero { min-height: auto; padding-top: 132px; }
  .hero-grid, .position-grid, .system-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 750px; }
  .hero-visual { width: min(760px, 100%); margin: 0 auto; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps { grid-template-columns: repeat(3, 1fr); gap: 34px 0; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-side { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .system-orbit { order: 2; }
  .cta-shell { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 700px) {
  :root { --container: min(100% - 32px, 1180px); }
  .nav-shell { width: min(100% - 32px, 1240px); }
  .site-header { height: 66px; }
  .brand img { width: 105px; }
  .nav-actions { gap: 7px; }
  .language-toggle { min-width: 67px; height: 34px; padding: 0 10px; gap: 6px; font-size: 10px; }
  .nav-cta { padding: 8px 15px; }
  .section { padding: 76px 0; }
  .hero { padding: 108px 0 34px; }
  h1 { font-size: 42px; }
  .hero-lead { font-size: 15px; }
  .hero-visual { min-height: 415px; }
  .hero-ring { width: 350px; height: 350px; }
  .device-card { width: 80%; min-height: 330px; padding: 12px; transform: none; }
  .device-card img { height: 305px; }
  .cognitive-page .device-card { width: 100%; min-height: 240px; }
  .visual-badge { min-width: 95px; padding: 9px 11px; }
  .badge-top { left: -3px; top: 30px; }.badge-bottom { right: -3px; bottom: 30px; }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metrics div, .hero-metrics div:first-child { padding: 15px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.11); }
  .dimension-grid, .capability-grid, .scenario-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: 1fr; gap: 25px; }
  .workflow-step { padding-right: 0; }
  .step-line { margin-bottom: 17px; }
  .experience-main { min-height: 470px; padding: 20px; }
  .experience-main img { height: 425px; }
  .experience-side { grid-template-columns: 1fr; }
  .system-orbit { min-height: 410px; transform: scale(.88); }
  .cta-shell { padding: 40px 28px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 9px; }
  .footer-inner > a:last-child { margin-left: 0; }
  html[data-language="en"] h1 { font-size: 37px; }
  html[data-language="en"] .nav-cta { max-width: 116px; text-align: center; line-height: 1.15; }
}

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