:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #aebbd0;
  --dim: #72839d;
  --navy: #071326;
  --navy-2: #0a1b33;
  --panel: rgba(15, 33, 60, 0.78);
  --line: rgba(168, 199, 235, 0.16);
  --cyan: #5ae3ca;
  --cyan-2: #8ef3df;
  --blue: #6da8ff;
  --coral: #ff7d73;
  --shadow: 0 30px 80px rgba(0, 6, 18, 0.38);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 8% 2%, rgba(52, 139, 217, 0.18), transparent 34rem),
    radial-gradient(circle at 96% 14%, rgba(90, 227, 202, 0.12), transparent 30rem),
    var(--navy);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .12;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  background: var(--cyan);
  color: #051423;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 800;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(7, 19, 38, 0.76);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled { border-color: var(--line); background: rgba(7, 19, 38, 0.92); }
.nav { height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-logo { display: block; width: 178px; height: auto; max-height: 48px; object-fit: contain; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(90, 227, 202, .35);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(90, 227, 202, .16), rgba(109, 168, 255, .08));
  font-weight: 900;
  letter-spacing: -.05em;
}
.brand-copy { display: grid; line-height: 1.08; }
.brand-copy strong { font-size: 1rem; letter-spacing: -.02em; }
.brand-copy span { font-size: .68rem; color: var(--muted); letter-spacing: .09em; text-transform: uppercase; margin-top: 4px; }
.nav-links { display: flex; align-items: center; gap: 22px; color: #c2cde0; font-size: .92rem; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--cyan-2); }
.language {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.03);
}
.language button {
  min-width: 38px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  padding: 6px 8px;
  font: inherit;
  font-size: .76rem;
  cursor: pointer;
}
.language button[aria-pressed="true"] { background: rgba(90,227,202,.16); color: var(--cyan-2); }

.hero { min-height: calc(100vh - 76px); display: grid; align-items: center; padding: 88px 0 100px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--cyan-2); font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--cyan); }
h1 { margin: 24px 0 24px; max-width: 730px; font-size: clamp(3.1rem, 6.5vw, 6.3rem); line-height: .98; letter-spacing: -.065em; font-weight: 760; }
.hero h1 span { display: block; color: var(--cyan-2); }
.hero-copy { max-width: 650px; color: #bbc7da; font-size: clamp(1.05rem, 1.5vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 21px; border-radius: 14px; font-weight: 800; letter-spacing: -.01em; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #04151c; background: var(--cyan); box-shadow: 0 14px 34px rgba(53, 223, 193, .22); }
.button.secondary { border: 1px solid var(--line); color: var(--ink); background: rgba(255,255,255,.035); }
.hero-note { margin-top: 22px; display: flex; align-items: center; gap: 10px; color: var(--dim); font-size: .82rem; }
.hero-note span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(90,227,202,.1); }

.signal-stage { position: relative; min-height: 560px; display: grid; place-items: center; }
.signal-glow { position: absolute; width: 430px; height: 430px; border-radius: 50%; background: radial-gradient(circle, rgba(90,227,202,.16), rgba(30,91,159,.08) 45%, transparent 70%); filter: blur(8px); }
.orbit { position: absolute; border: 1px solid rgba(141, 217, 228, .16); border-radius: 50%; animation: spin 28s linear infinite; }
.orbit.one { width: 470px; height: 470px; }
.orbit.two { width: 330px; height: 330px; animation-direction: reverse; animation-duration: 22s; }
.orbit::after { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); top: 12%; left: 12%; box-shadow: 0 0 24px rgba(90,227,202,.8); }
.orbit.two::after { background: var(--coral); top: auto; left: auto; right: 8%; bottom: 23%; box-shadow: 0 0 24px rgba(255,125,115,.65); }
@keyframes spin { to { transform: rotate(360deg); } }
.signal-card {
  position: relative;
  z-index: 2;
  width: min(390px, 90%);
  border: 1px solid rgba(151, 194, 234, .2);
  border-radius: 26px;
  padding: 28px;
  background: linear-gradient(150deg, rgba(18, 44, 75, .9), rgba(8, 25, 48, .94));
  box-shadow: var(--shadow);
}
.signal-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.signal-title { display: grid; }
.signal-title strong { font-size: 1rem; }
.signal-title span { color: var(--muted); font-size: .76rem; margin-top: 2px; }
.live { display: inline-flex; align-items: center; gap: 7px; color: var(--cyan-2); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(90,227,202,.1); }
.signal-flow { display: grid; gap: 10px; }
.signal-row { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; padding: 13px; border-radius: 14px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.045); }
.signal-row b { font-size: .86rem; }
.signal-row small { display: block; color: var(--dim); font-size: .7rem; margin-top: 1px; }
.flow-index { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: rgba(90,227,202,.12); color: var(--cyan-2); font-size: .75rem; font-weight: 900; }
.flow-status { color: var(--muted); font-size: .69rem; }
.flow-status.ready { color: var(--cyan-2); }
.signal-metric { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; }
.signal-metric strong { display: block; font-size: 1.3rem; }
.signal-metric span { color: var(--dim); font-size: .68rem; }

.section { padding: 112px 0; position: relative; }
.section-head { display: grid; grid-template-columns: .82fr 1.18fr; gap: 64px; margin-bottom: 52px; align-items: end; }
.kicker { color: var(--cyan-2); font-size: .76rem; letter-spacing: .14em; font-weight: 850; text-transform: uppercase; }
h2 { margin: 10px 0 0; font-size: clamp(2.3rem, 4vw, 4rem); line-height: 1.08; letter-spacing: -.052em; }
.section-intro { color: var(--muted); font-size: 1.06rem; max-width: 650px; margin: 0; }

.journey { padding: 34px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(145deg, rgba(18, 40, 70, .74), rgba(8, 24, 47, .48)); overflow: hidden; }
.journey-track { display: grid; grid-template-columns: repeat(5, 1fr); position: relative; }
.journey-track::before { content: ""; position: absolute; top: 25px; left: 9%; right: 9%; height: 1px; background: linear-gradient(90deg, var(--blue), var(--cyan), var(--coral)); opacity: .52; }
.journey-step { position: relative; text-align: center; padding: 0 12px; }
.journey-dot { width: 50px; height: 50px; margin: 0 auto 18px; display: grid; place-items: center; position: relative; z-index: 2; border-radius: 16px; background: #0d2747; border: 1px solid rgba(121, 185, 236, .25); color: var(--cyan-2); font-weight: 900; }
.journey-step strong { display: block; font-size: .92rem; }
.journey-step span { display: block; color: var(--dim); font-size: .73rem; margin-top: 5px; line-height: 1.4; }

.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cap-card { min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: rgba(12, 30, 55, .58); transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.cap-card:hover { transform: translateY(-5px); border-color: rgba(90,227,202,.35); background: rgba(15, 37, 66, .76); }
.cap-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: rgba(90,227,202,.1); color: var(--cyan-2); margin-bottom: 34px; }
.cap-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.cap-card h3 { margin: 0 0 10px; font-size: 1.16rem; letter-spacing: -.02em; }
.cap-card p { margin: 0; color: var(--muted); font-size: .9rem; }

.control-wrap { display: grid; grid-template-columns: .95fr 1.05fr; gap: 70px; align-items: center; }
.control-panel { padding: 22px; border-radius: 26px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(15,39,70,.85), rgba(8,24,47,.8)); box-shadow: var(--shadow); }
.control-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; color: var(--muted); font-size: .78rem; }
.control-list { display: grid; gap: 9px; }
.control-item { display: flex; align-items: center; gap: 13px; padding: 14px 15px; border-radius: 14px; background: rgba(255,255,255,.035); }
.check { flex: 0 0 auto; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 8px; background: rgba(90,227,202,.14); color: var(--cyan-2); font-size: .76rem; }
.control-item b { font-size: .87rem; }
.control-item span { color: var(--dim); font-size: .72rem; margin-left: auto; }
.control-copy h2 { margin-bottom: 22px; }
.control-copy p { color: var(--muted); font-size: 1.03rem; }
.principles { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.principles span { padding: 8px 11px; border-radius: 999px; border: 1px solid var(--line); color: #c3cede; font-size: .75rem; background: rgba(255,255,255,.025); }

.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.roadmap-card { position: relative; padding: 30px; min-height: 280px; border-radius: 22px; border: 1px solid var(--line); background: rgba(10,29,54,.62); }
.roadmap-card.active { background: linear-gradient(150deg, rgba(24,62,91,.82), rgba(10,35,61,.78)); border-color: rgba(90,227,202,.3); }
.roadmap-no { color: var(--cyan-2); font-size: .75rem; font-weight: 900; letter-spacing: .12em; }
.roadmap-card h3 { margin: 48px 0 14px; font-size: 1.35rem; }
.roadmap-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.roadmap-card ul { padding: 0; margin: 20px 0 0; list-style: none; color: #c5d0df; font-size: .82rem; }
.roadmap-card li { margin-top: 8px; padding-left: 15px; position: relative; }
.roadmap-card li::before { content: ""; position: absolute; left: 0; top: .72em; width: 5px; height: 5px; background: var(--cyan); border-radius: 50%; }

.company-band { padding: 46px; border-radius: 30px; border: 1px solid var(--line); background: linear-gradient(125deg, rgba(24,61,90,.68), rgba(8,25,48,.75)); display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.company-band h2 { margin: 0 0 22px; }
.company-band p { margin: 0; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat { padding: 20px; border-radius: 16px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.055); }
.stat strong { display: block; color: var(--cyan-2); font-size: 1.75rem; letter-spacing: -.04em; }
.stat span { color: var(--muted); font-size: .76rem; }

.contact { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; padding: 72px 0 110px; }
.contact h2 { margin: 0 0 14px; }
.contact p { margin: 0; color: var(--muted); max-width: 680px; }
.contact-card { display: flex; align-items: center; gap: 16px; padding: 17px 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.03); }
.contact-card svg { width: 20px; color: var(--cyan-2); }
.contact-card span { display: block; color: var(--dim); font-size: .7rem; }
.contact-card strong { font-size: .88rem; }

.site-footer { border-top: 1px solid var(--line); padding: 38px 0 44px; color: var(--dim); font-size: .78rem; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start; }
.footer-name { color: #c4cede; font-weight: 700; margin-bottom: 4px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links a:hover { color: var(--cyan-2); }
.icp-record { margin-top: 20px; text-align: center; }
.icp-record a { color: #9aa8bd; transition: color .2s ease; }
.icp-record a:hover { color: var(--cyan-2); }
.disclaimer { margin-top: 20px; max-width: 900px; color: #61728b; }

.legal-page { min-height: 100vh; }
.legal-main { padding: 80px 0 110px; }
.legal-top { margin-bottom: 52px; }
.legal-top h1 { font-size: clamp(2.8rem, 5vw, 5rem); margin-bottom: 18px; }
.legal-top p { color: var(--muted); max-width: 700px; }
.legal-card { max-width: 900px; padding: 42px; border: 1px solid var(--line); border-radius: 24px; background: rgba(12,30,55,.66); }
.legal-card h2 { font-size: 1.55rem; margin: 38px 0 12px; letter-spacing: -.02em; }
.legal-card h2:first-child { margin-top: 0; }
.legal-card p, .legal-card li { color: #b5c1d3; }
.legal-card ul { padding-left: 20px; }
.legal-card a { color: var(--cyan-2); }
.effective { display: inline-flex; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .74rem; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .section-head, .control-wrap, .company-band { grid-template-columns: 1fr; }
  .hero-grid { gap: 30px; }
  .signal-stage { min-height: 510px; }
  .section-head { gap: 20px; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap { grid-template-columns: 1fr; }
  .roadmap-card { min-height: auto; }
  .company-band { gap: 34px; }
}

@media (max-width: 700px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav { height: 68px; gap: 10px; }
  .brand-copy span { display: none; }
  .brand-logo { width: 142px; max-height: 40px; }
  .language button { min-width: 32px; padding: 5px; }
  .hero { min-height: auto; padding: 68px 0 72px; }
  h1 { font-size: clamp(2.75rem, 14vw, 4.5rem); }
  .signal-stage { min-height: 460px; }
  .orbit.one { width: 390px; height: 390px; }
  .orbit.two { width: 270px; height: 270px; }
  .signal-card { padding: 20px; }
  .section { padding: 78px 0; }
  .journey { padding: 25px 20px; }
  .journey-track { grid-template-columns: 1fr; gap: 16px; }
  .journey-track::before { top: 20px; bottom: 20px; left: 25px; right: auto; width: 1px; height: auto; }
  .journey-step { display: grid; grid-template-columns: 50px 1fr; gap: 16px; text-align: left; align-items: center; padding: 0; }
  .journey-dot { margin: 0; }
  .journey-step span { grid-column: 2; margin-top: -16px; }
  .cap-grid { grid-template-columns: 1fr; }
  .cap-card { min-height: auto; }
  .control-wrap { gap: 40px; }
  .company-band { padding: 28px 22px; }
  .contact { grid-template-columns: 1fr; padding-bottom: 82px; }
  .contact-card { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .legal-main { padding-top: 54px; }
  .legal-card { padding: 26px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}