:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --panel: rgba(16, 35, 57, .72);
  --panel-strong: #122941;
  --line: rgba(157, 193, 224, .18);
  --text: #edf7ff;
  --muted: #9bb1c7;
  --blue: #58a9ff;
  --teal: #7de8d1;
  --max: 1180px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); line-height: 1.7; }
body::before { content: ""; position: fixed; inset: 0; z-index: -2; background: radial-gradient(circle at 80% 10%, rgba(64, 148, 219, .24), transparent 34%), radial-gradient(circle at 10% 65%, rgba(49, 207, 178, .1), transparent 30%), linear-gradient(145deg, #07111f 0%, #0b1a2d 55%, #081321 100%); }
body::after { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .22; background-image: linear-gradient(rgba(155, 190, 220, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(155, 190, 220, .08) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, black, transparent 70%); }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.container { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(7, 17, 31, .8); backdrop-filter: blur(18px); }
.nav-wrap { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 750; letter-spacing: .08em; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; overflow: hidden; border-radius: 12px; background: #08051c; }
.brand-logo { display: block; width: 100%; height: 100%; object-fit: cover; }
.brand small { display: block; color: var(--muted); font-size: 10px; letter-spacing: .18em; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
.nav-links a { padding: 8px 0; transition: color .2s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.menu-button { display: none; border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 10px; padding: 8px 11px; font-size: 20px; }
.hero { min-height: 680px; display: grid; align-items: center; padding: 92px 0 110px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 72px; }
.eyebrow, .section-kicker { color: var(--teal); text-transform: uppercase; letter-spacing: .22em; font-size: 11px; font-weight: 750; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 24px; font-size: clamp(42px, 6vw, 78px); line-height: 1.08; letter-spacing: -.06em; }
h1 span { color: var(--teal); }
.hero-copy { max-width: 600px; color: var(--muted); font-size: 18px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 12px; background: linear-gradient(135deg, var(--blue), #3989dc); color: #061426; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(56, 149, 228, .26); }
.button.secondary { border-color: var(--line); background: rgba(255,255,255,.03); color: var(--text); }
.hero-visual { position: relative; min-height: 420px; display: grid; place-items: center; }
.orb { width: min(36vw, 390px); aspect-ratio: 1; border: 1px solid rgba(125, 232, 209, .42); border-radius: 50%; background: radial-gradient(circle at 38% 30%, rgba(125, 232, 209, .8), rgba(77, 169, 232, .2) 34%, rgba(8, 23, 41, .4) 68%); box-shadow: 0 0 80px rgba(83, 189, 218, .2), inset 0 0 60px rgba(125, 232, 209, .15); }
.orb::before, .orb::after { content: ""; position: absolute; border: 1px solid rgba(132, 194, 230, .32); border-radius: 50%; }
.orb::before { width: 78%; height: 32%; transform: rotate(28deg); }
.orb::after { width: 32%; height: 78%; transform: rotate(28deg); }
.hero-brand-logo { width: min(38vw, 420px); aspect-ratio: 1; object-fit: cover; border-radius: 28%; filter: drop-shadow(0 24px 52px rgba(109, 74, 255, .35)); }
.signal { position: absolute; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(12, 32, 53, .8); color: var(--muted); font-size: 12px; box-shadow: 0 14px 40px rgba(0,0,0,.22); }
.signal strong { color: var(--teal); display: block; font-size: 15px; }
.signal.one { top: 12%; right: 6%; }
.signal.two { bottom: 15%; left: 2%; }
.section { padding: 92px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.section h2 { max-width: 650px; margin-bottom: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.15; letter-spacing: -.04em; }
.section-intro { max-width: 520px; color: var(--muted); }
.grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { position: relative; min-height: 190px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(150deg, rgba(19, 47, 74, .82), rgba(10, 27, 46, .65)); overflow: hidden; }
.card::after { content: ""; position: absolute; width: 100px; height: 100px; right: -45px; bottom: -45px; border-radius: 50%; background: rgba(125, 232, 209, .09); }
.card-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 24px; border: 1px solid rgba(125, 232, 209, .4); border-radius: 12px; color: var(--teal); font-weight: 800; }
.card h3 { margin-bottom: 10px; font-size: 20px; }
.card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.feature-band { padding: 36px; border: 1px solid rgba(88, 169, 255, .28); border-radius: 22px; background: linear-gradient(110deg, rgba(40, 112, 174, .28), rgba(42, 201, 177, .12)); }
.feature-band p { max-width: 760px; margin-bottom: 0; color: var(--muted); }
.page-hero { padding: 100px 0 70px; }
.page-hero h1 { max-width: 820px; font-size: clamp(42px, 6vw, 70px); }
.page-hero p { max-width: 660px; color: var(--muted); font-size: 18px; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.metric { padding: 22px; border-top: 1px solid var(--teal); background: rgba(16, 35, 57, .48); }
.metric strong { display: block; margin-bottom: 8px; color: var(--teal); font-size: 28px; }
.metric span { color: var(--muted); font-size: 13px; }
.contact-card { max-width: 760px; padding: 42px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.contact-item { display: flex; justify-content: space-between; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-item:last-child { border-bottom: 0; }
.contact-item span { color: var(--muted); }
.contact-item a { color: var(--teal); }
.site-footer { margin-top: 72px; padding: 38px 0 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: minmax(240px, 1.2fr) 1fr minmax(230px, 1fr); gap: 28px; align-items: start; }
.footer-identity strong { display: block; margin-bottom: 8px; color: var(--text); font-size: 16px; }
.footer-identity p, .footer-copyright { margin-bottom: 4px; }
.footer-links, .footer-contact { display: grid; gap: 8px; }
.footer-links a:hover, .footer-contact a:hover { color: var(--teal); }
.footer-copyright { grid-column: 1 / -1; padding-top: 18px; border-top: 1px solid var(--line); }
.company-facts { max-width: 760px; padding: 36px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.company-facts h2 { margin-bottom: 22px; }
.company-facts dl { margin: 0; }
.company-facts dl div { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.company-facts dl div:last-child { border-bottom: 0; }
.company-facts dt { color: var(--muted); }
.company-facts dd { margin: 0; }
.company-facts a, .legal-document a { color: var(--teal); }
.legal-main { padding-bottom: 40px; }
.legal-container { width: min(calc(100% - 48px), 740px); margin: 0 auto; }
.legal-hero { padding-bottom: 42px; }
.legal-hero h1 { margin-bottom: 16px; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; color: var(--muted); font-size: 14px; }
.legal-document { padding: 8px 0 50px; }
.legal-document section { padding: 24px 0; border-bottom: 1px solid var(--line); }
.legal-document section:last-child { border-bottom: 0; }
.legal-document h2 { margin-bottom: 10px; font-size: 24px; line-height: 1.35; letter-spacing: -.02em; }
.legal-document p { margin-bottom: 0; color: var(--muted); line-height: 1.8; }
.not-found-main { min-height: calc(100vh - 76px); display: grid; place-items: center; padding: 80px 24px; }
.not-found-card { width: min(100%, 680px); padding: 48px; border: 1px solid var(--line); border-radius: 24px; background: var(--panel); text-align: center; }
.not-found-card h1 { margin: 12px auto 18px; font-size: clamp(40px, 7vw, 64px); }
.not-found-card p { color: var(--muted); }
.not-found-card .actions { justify-content: center; }
.download-main { min-height: calc(100vh - 76px); }
.download-hero { padding: 92px 0 44px; text-align: center; }
.download-hero .eyebrow { margin-bottom: 16px; }
.download-hero h1 { margin: 0 auto 16px; font-size: clamp(42px, 8vw, 72px); }
.download-hero p { max-width: 520px; margin: 0 auto; color: var(--muted); font-size: 18px; }
.download-section { padding: 20px 0 86px; }
.download-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 900px; margin: 0 auto; }
.download-card { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(150deg, rgba(19, 47, 74, .9), rgba(10, 27, 46, .72)); }
.download-card.is-ready { border-color: rgba(125, 232, 209, .48); }
.platform-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; color: #061426; font-size: 27px; font-weight: 800; }
.platform-icon.android { background: linear-gradient(135deg, #b6e758, #62c060); }
.platform-icon.ios { background: linear-gradient(135deg, #e8f3fb, #7cb3d8); font-family: Georgia, serif; }
.platform-copy { min-width: 0; }
.platform-name { margin-bottom: 2px; color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.platform-copy h2 { margin-bottom: 7px; font-size: 24px; line-height: 1.25; }
.platform-detail { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.download-button { grid-column: 1 / -1; display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 18px; border-radius: 13px; background: linear-gradient(135deg, var(--teal), #57b7ef); color: #061426; font-weight: 800; transition: transform .2s ease, opacity .2s ease; }
.download-button:hover { transform: translateY(-2px); }
.download-button[aria-disabled="true"] { pointer-events: none; opacity: .52; }
.download-message { min-height: 26px; margin: 22px auto 0; color: var(--muted); text-align: center; font-size: 14px; }
.download-note { max-width: 900px; margin: 28px auto 0; padding: 20px 22px; border: 1px solid rgba(88, 169, 255, .24); border-radius: 16px; background: rgba(88, 169, 255, .08); }
.download-note strong { color: var(--teal); }
.download-note p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero { min-height: auto; padding-top: 72px; }
  .hero-visual { min-height: 330px; }
  .orb { width: min(64vw, 350px); }
  .hero-brand-logo { width: min(68vw, 380px); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { width: min(calc(100% - 32px), var(--max)); }
  .nav-wrap { height: 68px; }
  .menu-button { display: block; }
  .nav-links { position: absolute; top: 68px; left: 16px; right: 16px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px; border: 1px solid var(--line); border-radius: 14px; background: #0b1b2d; box-shadow: 0 18px 40px rgba(0,0,0,.3); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .hero { padding: 62px 0 78px; }
  h1 { font-size: 46px; }
  .hero-copy, .page-hero p { font-size: 16px; }
  .hero-visual { min-height: 280px; }
  .signal.one { right: 0; }
  .signal.two { left: 0; }
  .section { padding: 70px 0; }
  .section-head { display: block; }
  .section-intro { margin-top: 16px; }
  .grid-4, .grid-3, .metric-row { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .feature-band, .contact-card { padding: 24px; }
  .contact-item { display: block; }
  .contact-item span { display: block; margin-bottom: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-copyright { grid-column: auto; }
  .company-facts { padding: 24px; }
  .company-facts dl div { grid-template-columns: 1fr; gap: 4px; }
  .legal-container { width: min(calc(100% - 32px), 740px); }
  .legal-document h2 { font-size: 21px; }
  .not-found-main { min-height: calc(100vh - 68px); padding: 54px 16px; }
  .not-found-card { padding: 30px 22px; }
  .download-main { min-height: calc(100vh - 68px); }
  .download-hero { padding: 60px 0 28px; text-align: left; }
  .download-hero h1 { font-size: 44px; }
  .download-hero p { margin: 0; }
  .download-section { padding: 16px 0 64px; }
  .download-grid { grid-template-columns: 1fr; gap: 14px; }
  .download-card { padding: 22px; gap: 14px; border-radius: 18px; }
  .platform-copy h2 { font-size: 21px; }
}