:root {
  --ink: #17151d;
  --muted: #67616e;
  --line: #e6e2e9;
  --paper: #faf9fb;
  --white: #ffffff;
  --purple: #7140e8;
  --purple-dark: #4d25a7;
  --green: #169c74;
  --red: #dc4755;
  --amber: #d99328;
  --black: #121117;
  --radius: 8px;
  --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.65; letter-spacing: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 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; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; color: #fff; background: var(--black); border-radius: 4px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(250,249,251,.94); border-bottom: 1px solid rgba(230,226,233,.8); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { border-radius: 8px; box-shadow: 0 5px 16px rgba(74,40,145,.18); }
.brand span { display: grid; line-height: 1.15; }
.brand strong { font-size: 16px; }
.brand small { margin-top: 5px; font-size: 7px; font-weight: 700; color: var(--muted); }
.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 600; }
.site-nav a { color: #4f4a55; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--purple); }
.site-nav .nav-contact { padding: 9px 14px; color: var(--ink); border: 1px solid #ccc6d2; border-radius: 6px; }
.menu-button { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
.menu-button i { display: block; height: 2px; margin: 4px 0; background: var(--ink); }

.hero { min-height: calc(100svh - 76px); display: grid; align-items: center; overflow: hidden; background: var(--paper); }
.hero-grid { min-height: 780px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 60px; padding-top: 38px; padding-bottom: 44px; }
.eyebrow { margin: 0 0 18px; display: flex; align-items: center; gap: 9px; color: #5c5662; font-size: 12px; font-weight: 800; text-transform: uppercase; }
.eyebrow span { width: 23px; height: 2px; background: var(--purple); }
.hero h1 { margin: 0; font-size: clamp(58px, 8vw, 104px); line-height: .98; font-weight: 760; }
.hero-lead { max-width: 590px; margin: 26px 0 14px; font-size: 25px; line-height: 1.45; font-weight: 560; }
.hero-note { max-width: 560px; margin: 0; color: var(--muted); font-size: 15px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 11px 18px; border-radius: 6px; font-size: 14px; font-weight: 700; }
.button.primary { color: #fff; background: var(--purple); }
.button.primary:hover { background: var(--purple-dark); }
.button.secondary { border: 1px solid #cfc9d4; background: #fff; }
.trust-line { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px 20px; color: #68626d; font-size: 12px; }
.trust-line span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--green); vertical-align: 1px; }

.product-scene { position: relative; min-height: 690px; display: grid; place-items: center; }
.product-scene::before { content: ""; position: absolute; width: 75%; height: 72%; background: #eeebf2; border-radius: 50%; }
.phone-frame { position: relative; z-index: 2; width: 330px; padding: 9px; border: 2px solid #222028; border-radius: 38px; background: #15141a; box-shadow: 0 34px 70px rgba(29,21,43,.24); transform: rotate(2deg); }
.phone-screen { min-height: 654px; overflow: hidden; border-radius: 29px; background: #f7f5fa; }
.phone-status { height: 31px; padding: 10px 21px 0; display: flex; justify-content: space-between; color: #27232d; font-size: 9px; font-weight: 700; }
.app-bar { height: 53px; padding: 7px 15px; display: flex; align-items: center; justify-content: space-between; background: #fff; }
.app-brand { display: flex; align-items: center; gap: 8px; }
.app-brand img { border-radius: 7px; }
.app-brand span { display: grid; line-height: 1.1; }
.app-brand b { font-size: 12px; }
.app-brand small { margin-top: 4px; color: #81798b; font-size: 5px; font-weight: 800; }
.round-icon { width: 30px; height: 30px; display: grid; place-items: center; color: var(--purple); border: 1px solid #e9e4ef; border-radius: 7px; background: #fff; }
.search-row { height: 39px; margin: 12px 14px 16px; padding: 10px 12px; display: flex; justify-content: space-between; color: #81798b; border: 1px solid #e9e4ef; border-radius: 7px; background: #fff; font-size: 8px; }
.screen-heading { padding: 0 15px 10px; display: flex; align-items: end; justify-content: space-between; }
.screen-heading span { display: grid; }
.screen-heading small { color: #827b8c; font-size: 7px; }
.screen-heading b { font-size: 17px; }
.screen-heading em { color: var(--green); font-size: 7px; font-style: normal; }
.screen-heading em::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 4px; border-radius: 50%; background: var(--green); }
.market-chart { margin: 0 13px; padding: 13px; border: 1px solid #e7e2eb; border-radius: 8px; background: #fff; }
.chart-top, .chart-top span { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.chart-top img { border-radius: 50%; }
.chart-top b { font-size: 9px; }
.chart-top strong { font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.bars { height: 130px; margin: 16px 0 5px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #f0edf3; border-bottom: 1px solid #f0edf3; }
.bars i { position: relative; width: 4px; height: var(--h, 42%); background: var(--green); }
.bars i::after { content: ""; position: absolute; left: 1px; top: -8px; width: 1px; height: calc(100% + 16px); background: inherit; }
.bars i:nth-child(2n) { background: var(--red); }
.bars i:nth-child(3n) { --h: 62%; }.bars i:nth-child(4n) { --h: 34%; }.bars i:nth-child(5n) { --h: 74%; }.bars i:nth-child(7n) { --h: 52%; }
.chart-axis { display: flex; justify-content: space-between; color: #99919e; font-size: 6px; }
.asset-list { margin: 10px 13px 58px; overflow: hidden; border: 1px solid #e7e2eb; border-radius: 8px; background: #fff; }
.asset-list > div { min-height: 58px; padding: 10px 12px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #eeeaf1; }
.asset-list > div:last-child { border-bottom: 0; }
.asset-list span { display: flex; align-items: center; gap: 8px; }
.asset-list img { border-radius: 50%; }
.asset-list b, .asset-list strong { display: grid; font-size: 9px; }
.asset-list strong { text-align: right; font: 700 9px ui-monospace, SFMono-Regular, Menlo, monospace; }
.asset-list small { color: #8c8592; font-size: 6px; font-weight: 600; }
.up { color: var(--green) !important; }.down { color: var(--red) !important; }
.tab-bar { position: absolute; left: 9px; right: 9px; bottom: 9px; height: 49px; padding: 12px 19px; display: flex; justify-content: space-between; border-radius: 0 0 27px 27px; background: rgba(255,255,255,.96); color: #8b8491; font-size: 7px; }
.tab-bar b { color: var(--purple); }
.signal-card { position: absolute; z-index: 3; min-width: 148px; padding: 13px 15px; display: grid; border: 1px solid rgba(220,215,225,.9); border-radius: 8px; background: rgba(255,255,255,.96); box-shadow: 0 16px 36px rgba(31,24,42,.13); }
.signal-card span { color: #77707c; font-size: 9px; }
.signal-card strong { font-size: 15px; }
.signal-card small { margin-top: 3px; color: var(--green); font-size: 8px; }
.signal-one { top: 18%; left: 1%; transform: rotate(-3deg); }
.signal-one b { color: var(--purple); font-size: 8px; }
.signal-two { right: 0; bottom: 16%; transform: rotate(3deg); }

.proof-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { min-height: 118px; padding: 26px 30px; display: grid; align-content: center; border-right: 1px solid var(--line); }
.proof-grid div:first-child { border-left: 1px solid var(--line); }
.proof-grid strong { font: 750 25px ui-monospace, SFMono-Regular, Menlo, monospace; }
.proof-grid span { color: var(--muted); font-size: 12px; }

.section { padding: 116px 0; }
.section-intro { max-width: 700px; margin-bottom: 48px; }
.section h2 { margin: 0; font-size: clamp(34px, 5vw, 58px); line-height: 1.18; }
.section-intro > p:last-child { margin: 20px 0 0; color: var(--muted); font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #dcd7e0; border-left: 1px solid #dcd7e0; }
.feature { min-height: 330px; position: relative; padding: 32px; border-right: 1px solid #dcd7e0; border-bottom: 1px solid #dcd7e0; background: #fff; }
.feature-wide { grid-column: 1 / -1; min-height: 340px; display: grid; grid-template-columns: 56px 1fr .9fr; gap: 28px; align-items: center; }
.feature-index { color: #a59da9; font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.feature-label { margin: 0 0 9px; color: var(--purple); font-size: 10px; font-weight: 800; }
.feature h3 { margin: 0 0 13px; font-size: 27px; }
.feature > p:last-of-type, .feature > div > p:last-child { max-width: 500px; margin: 0; color: var(--muted); }
.feature:not(.feature-wide) .feature-index { margin-bottom: 50px; }
.feature-dark { color: #fff; background: var(--black); }
.feature-dark .feature-label { color: #bca6ef; }.feature-dark > p:last-of-type { color: #aaa4b1; }
.safety-mark { position: absolute; left: 32px; bottom: 32px; padding-left: 14px; color: #78d8b9; font-size: 11px; }
.safety-mark::before { content: ""; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; border-radius: 50%; background: #42c69c; }
.mini-market { min-height: 175px; padding: 20px; border: 1px solid #e8e3eb; border-radius: 8px; background: #faf9fb; }
.mini-market > span { display: flex; justify-content: space-between; color: #5b5560; font-size: 10px; }
.mini-market > span b { color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.mini-market > div { height: 105px; margin-top: 18px; display: flex; align-items: end; gap: 8px; }
.mini-market i { flex: 1; height: 45%; background: var(--green); }.mini-market i:nth-child(2n) { height: 61%; background: var(--red); }.mini-market i:nth-child(3n) { height: 78%; }.mini-market i:nth-child(4n) { height: 52%; }

.principles { color: #fff; background: var(--black); }
.principles-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.eyebrow.light { color: #b4aeb9; }.eyebrow.light span { background: #8b63e5; }
.principles-copy p:not(.eyebrow) { margin: 26px 0; color: #aaa5b0; font-size: 16px; }
.principles-copy a { color: #bda7ee; font-size: 14px; font-weight: 700; }
.principle-list { border-top: 1px solid #343039; }
.principle-list div { min-height: 140px; padding: 29px 0; display: grid; grid-template-columns: 52px 145px 1fr; gap: 16px; border-bottom: 1px solid #343039; align-items: start; }
.principle-list span { color: #82798a; font: 700 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.principle-list strong { font-size: 17px; }
.principle-list p { margin: 0; color: #9e98a4; font-size: 13px; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.about-body > p { margin: 0 0 20px; color: #4e4853; font-size: 17px; }
.about-body dl { margin: 40px 0 0; border-top: 1px solid var(--line); }
.about-body dl div { padding: 17px 0; display: grid; grid-template-columns: 125px 1fr; gap: 18px; border-bottom: 1px solid var(--line); }
.about-body dt { color: var(--muted); font-size: 12px; }.about-body dd { margin: 0; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.about-body a { color: var(--purple-dark); text-decoration: underline; text-underline-offset: 3px; }

.site-footer { color: #d6d1db; background: #0d0c10; }
.footer-top { padding: 64px 0 52px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.footer-brand { display: flex; gap: 15px; align-items: center; }.footer-brand img { border-radius: 8px; }.footer-brand strong { color: #fff; font-size: 20px; }.footer-brand p { margin: 1px 0 0; color: #7f7885; font-size: 11px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.footer-links div { display: grid; align-content: start; gap: 10px; }.footer-links strong { margin-bottom: 5px; color: #fff; font-size: 12px; }.footer-links a { color: #8d8792; font-size: 12px; }.footer-links a:hover { color: #fff; }
.footer-bottom { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid #29262d; color: #716b76; font-size: 10px; }

.legal-main { min-height: 70vh; padding: 74px 0 110px; }
.legal-header { max-width: 780px; padding-bottom: 38px; border-bottom: 1px solid var(--line); }
.legal-header .eyebrow { margin-bottom: 13px; }
.legal-header h1 { margin: 0 0 18px; font-size: clamp(42px, 6vw, 66px); line-height: 1.12; }
.legal-header p { margin: 0; color: var(--muted); }
.legal-meta { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 12px; }
.legal-meta strong { color: var(--ink); }
.legal-layout { margin-top: 48px; display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 70px; align-items: start; }
.legal-toc { position: sticky; top: 112px; display: grid; gap: 8px; }
.legal-toc strong { margin-bottom: 5px; font-size: 11px; }.legal-toc a { color: var(--muted); font-size: 12px; }.legal-toc a:hover { color: var(--purple); }
.legal-content { color: #433e47; }
.legal-content section { padding: 0 0 34px; scroll-margin-top: 105px; }
.legal-content h2 { margin: 0 0 13px; color: var(--ink); font-size: 23px; }
.legal-content h3 { margin: 20px 0 8px; color: var(--ink); font-size: 16px; }
.legal-content p { margin: 0 0 13px; }.legal-content ul { margin: 10px 0 15px; padding-left: 22px; }.legal-content li { margin: 7px 0; }
.legal-callout { margin: 4px 0 28px; padding: 19px 21px; border-left: 3px solid var(--purple); background: #f0ecf8; }
.legal-callout strong { display: block; margin-bottom: 4px; color: var(--ink); }
.legal-content a { color: var(--purple-dark); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }

@media (max-width: 900px) {
  .site-nav { position: absolute; left: 0; right: 0; top: 76px; padding: 18px 24px 24px; display: none; align-items: stretch; gap: 4px; flex-direction: column; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; }.site-nav a { padding: 11px 8px; }.site-nav .nav-contact { margin-top: 8px; text-align: center; }
  .menu-button { display: block; }
  .hero-grid { min-height: 400px; grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr); gap: 12px; padding-top: 24px; padding-bottom: 30px; }
  .hero-copy { max-width: 500px; }.hero h1 { font-size: 52px; }
  .hero-lead { margin-top: 18px; font-size: 18px; }.hero-note { font-size: 12px; }.hero-actions { margin-top: 20px; }.trust-line { margin-top: 18px; gap: 6px 12px; }
  .product-scene { min-height: 390px; }
  .product-scene::before { width: 100%; height: 84%; }
  .phone-frame { position: absolute; top: 50%; transform: translateY(-50%) rotate(2deg) scale(.57); }
  .signal-card { display: none; }
  .feature-wide { grid-template-columns: 45px 1fr; }.feature-wide .mini-market { grid-column: 2; }
  .principles-grid, .about-grid { grid-template-columns: 1fr; gap: 55px; }
  .legal-layout { grid-template-columns: 1fr; gap: 30px; }.legal-toc { position: static; padding-bottom: 25px; grid-template-columns: repeat(2, 1fr); border-bottom: 1px solid var(--line); }.legal-toc strong { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .nav-wrap { min-height: 68px; }.site-nav { top: 68px; }
  .hero { min-height: auto; }
  .hero-grid { min-height: 570px; grid-template-columns: 1fr; gap: 0; padding-top: 30px; padding-bottom: 18px; }.hero h1 { font-size: 43px; }.hero-lead { margin-top: 16px; font-size: 18px; }.hero-note { line-height: 1.55; }.hero-actions { margin-top: 16px; }.hero-actions .button { min-width: 130px; min-height: 44px; }.trust-line { margin-top: 14px; }
  .product-scene { min-height: 205px; margin: 0 -8px; overflow: hidden; }.product-scene::before { width: 82%; height: 160px; }.phone-frame { position: absolute; top: 0; width: 310px; transform: rotate(2deg) scale(.48); transform-origin: top center; }.phone-screen { min-height: 620px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }.proof-grid div { min-height: 94px; padding: 18px; border-bottom: 1px solid var(--line); }.proof-grid div:nth-child(3) { border-left: 1px solid var(--line); }
  .section { padding: 80px 0; }.section-intro { margin-bottom: 34px; }.section h2 { font-size: 36px; }
  .feature-grid { grid-template-columns: 1fr; }.feature-wide { grid-column: auto; min-height: auto; padding: 26px; grid-template-columns: 1fr; gap: 12px; }.feature-wide .mini-market { grid-column: auto; }.feature { min-height: 290px; padding: 26px; }.feature:not(.feature-wide) .feature-index { margin-bottom: 35px; }.safety-mark { left: 26px; bottom: 26px; }
  .principle-list div { grid-template-columns: 40px 1fr; }.principle-list p { grid-column: 2; }
  .about-grid { gap: 35px; }.about-body > p { font-size: 15px; }.about-body dl div { grid-template-columns: 1fr; gap: 3px; }
  .footer-top { grid-template-columns: 1fr; }.footer-links { gap: 20px; }.footer-bottom { padding: 18px 0; align-items: flex-start; flex-direction: column; }
  .legal-main { padding-top: 54px; }.legal-layout { margin-top: 34px; }.legal-toc { grid-template-columns: 1fr 1fr; }.legal-header h1 { font-size: 42px; }
}

@media (max-width: 640px) and (max-height: 700px) {
  .hero-grid { min-height: 530px; padding-top: 22px; }
  .hero-note, .trust-line { display: none; }
  .product-scene { min-height: 190px; }
}

@media (min-width: 641px) and (max-width: 900px) and (max-height: 600px) {
  .hero { min-height: calc(100svh - 92px); }
  .hero-grid { min-height: 288px; padding-top: 8px; padding-bottom: 8px; }
  .hero h1 { font-size: 42px; }
  .eyebrow { margin-bottom: 10px; }
  .hero-lead { margin: 12px 0 8px; font-size: 15px; }
  .hero-note { font-size: 10px; }
  .hero-actions { margin-top: 12px; }
  .button { min-height: 42px; padding: 8px 14px; }
  .trust-line { display: none; }
  .product-scene { min-height: 270px; }
  .phone-frame { transform: translateY(-50%) rotate(2deg) scale(.4); }
}

@media (min-width: 901px) and (max-height: 800px) {
  .hero { min-height: calc(100svh - 110px); }
  .hero-grid { min-height: 600px; padding-top: 16px; padding-bottom: 16px; }
  .product-scene { min-height: 568px; }
  .phone-frame { position: absolute; top: 50%; transform: translateY(-50%) rotate(2deg) scale(.8); }
  .signal-one { top: 18%; left: 0; }
  .signal-two { right: 0; bottom: 14%; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
