:root {
  --ink: #07111f;
  --muted: #667487;
  --line: rgba(7, 17, 31, .12);
  --blue: #0877ff;
  --cyan: #00d9ff;
  --paper: #f4f7fb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: fixed; z-index: 20; inset: 0 0 auto; height: 78px; padding: 0 clamp(24px, 5vw, 80px);
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(5, 13, 25, .74); border-bottom: 1px solid rgba(255,255,255,.09);
  backdrop-filter: blur(18px); color: white;
}
.brand, .footer-brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.35);
  background: linear-gradient(145deg, var(--blue), #2822c8); color: white; font-weight: 900; border-radius: 8px 2px 8px 2px;
  box-shadow: 0 0 24px rgba(8,119,255,.32);
}
.brand-avatar {
  width: 44px; height: 44px; flex: 0 0 44px; object-fit: cover; border-radius: 50%;
  border: 2px solid rgba(71, 151, 255, .75); box-shadow: 0 0 24px rgba(8,119,255,.36);
}
.brand strong { display: block; letter-spacing: .08em; }
.brand small { display: block; margin-top: 3px; color: rgba(255,255,255,.5); font-size: 8px; letter-spacing: .22em; }
nav { display: flex; gap: 42px; font-size: 14px; }
nav a { color: rgba(255,255,255,.72); transition: color .2s; }
nav a:hover { color: white; }
.header-cta { padding: 11px 18px; border: 1px solid rgba(255,255,255,.24); border-radius: 4px; font-size: 13px; }

.hero {
  position: relative; min-height: 800px; height: 100vh; overflow: hidden; display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; padding: 120px clamp(24px, 8vw, 130px) 60px; color: white;
  background: radial-gradient(circle at 75% 46%, #102e69 0, #081a38 27%, #060f20 58%, #030811 100%);
}
.hero::before { content:""; position:absolute; inset:0; opacity:.22; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, black, transparent 75%); }
.hero-glow { position:absolute; width:600px; height:600px; right:13%; top:20%; border-radius:50%; background:#0877ff; filter:blur(170px); opacity:.17; }
.hero-copy { position:relative; z-index:2; max-width:670px; }
.eyebrow { display:flex; align-items:center; gap:10px; color:#91a6c7; font-size:13px; letter-spacing:.18em; }
.eyebrow span { width:32px; height:1px; background:var(--cyan); }
h1 { margin: 26px 0 28px; font-size: clamp(62px, 6.5vw, 110px); line-height:.98; letter-spacing:-.055em; }
h1 em { color:transparent; font-style:normal; -webkit-text-stroke:1.5px rgba(105,184,255,.9); }
.hero-copy > p { max-width:560px; color:#9daac0; font-size:17px; line-height:1.9; }
.hero-actions { display:flex; align-items:center; gap:34px; margin-top:38px; }
.primary-button { display:flex; align-items:center; gap:36px; border:0; padding:17px 18px 17px 22px; background:var(--blue); color:white; cursor:pointer; border-radius:3px; box-shadow:0 16px 40px rgba(8,119,255,.25); transition: transform .2s, background .2s; }
.primary-button:hover { transform:translateY(-2px); background:#2587fb; }
.primary-button b { font-size:20px; }
.text-link { color:#b7c3d5; font-size:14px; }
.text-link span { margin-left:8px; color:var(--cyan); }
.quick-stats { display:flex; gap:44px; margin-top:64px; }
.quick-stats div { padding-left:15px; border-left:1px solid rgba(255,255,255,.16); }
.quick-stats b, .quick-stats span { display:block; }
.quick-stats b { font-size:18px; letter-spacing:.08em; }
.quick-stats span { margin-top:6px; color:#62738f; font-size:11px; }
.hero-art { position:relative; z-index:1; height: min(78vh, 760px); display:grid; place-items:center; }
.hero-art img { position:relative; z-index:2; width:min(100%, 700px); aspect-ratio:1; object-fit:cover; border-radius:50%; filter:drop-shadow(0 40px 70px rgba(0,0,0,.55)); animation:float 5s ease-in-out infinite; }
.orbit { position:absolute; border:1px solid rgba(47,144,255,.28); border-radius:50%; }
.orbit-one { width:88%; aspect-ratio:1; }
.orbit-two { width:72%; aspect-ratio:1; border-style:dashed; animation:spin 28s linear infinite; }
.art-label { position:absolute; z-index:3; right:1%; bottom:15%; padding:10px 15px; color:#9dc7ff; background:rgba(2,10,23,.74); border:1px solid rgba(51,141,255,.35); font-size:11px; letter-spacing:.14em; }
.scroll-note { position:absolute; left:24px; bottom:72px; color:#52617a; font-size:9px; letter-spacing:.25em; writing-mode:vertical-rl; }

.manifesto { padding:130px clamp(24px, 9vw, 150px); display:grid; grid-template-columns: 1fr 2fr; gap:60px; background:white; }
.section-kicker { color:var(--blue); font-size:11px; font-weight:700; letter-spacing:.2em; }
.manifesto > div { display:grid; grid-template-columns:1.3fr 1fr; gap:70px; align-items:end; }
.manifesto h2, .cta-band h2, .support h2 { margin:0; font-size:clamp(38px, 4vw, 66px); line-height:1.18; letter-spacing:-.045em; }
.manifesto div p { margin:0; color:var(--muted); line-height:2; }
.features { padding:0 clamp(24px, 7vw, 112px) 130px; display:grid; grid-template-columns:1fr 1fr; gap:20px; background:white; }
.feature-card { position:relative; min-height:520px; padding:52px; overflow:hidden; background:#ecf2f8; }
.feature-card > span, .card-copy > span { color:var(--blue); font-size:10px; font-weight:700; letter-spacing:.2em; }
.feature-card h3 { margin:24px 0 20px; font-size:clamp(34px, 3.2vw, 54px); line-height:1.14; letter-spacing:-.04em; }
.feature-card p { max-width:440px; color:var(--muted); line-height:1.85; }
.feature-large { grid-column:1/-1; min-height:640px; display:grid; grid-template-columns:.8fr 1.2fr; padding:0; color:white; background:#061329; }
.feature-large .card-copy { padding:70px; align-self:center; z-index:2; }
.feature-large p { color:#8494ad; }
.feature-large img { width:100%; height:640px; object-fit:cover; mask-image:linear-gradient(to right, transparent, black 24%); }
.cross-fire { position:absolute; right:14%; bottom:12%; width:180px; height:180px; }
.cross-fire i, .cross-fire b { position:absolute; background:linear-gradient(90deg, #00d9ff, #0877ff); box-shadow:0 0 28px #0877ff; }
.cross-fire i:nth-child(1), .cross-fire i:nth-child(2) { width:70px; height:22px; top:79px; }
.cross-fire i:nth-child(1) { left:0; }.cross-fire i:nth-child(2) { right:0; }
.cross-fire i:nth-child(3), .cross-fire i:nth-child(4) { width:22px; height:70px; left:79px; }
.cross-fire i:nth-child(3) { top:0; }.cross-fire i:nth-child(4) { bottom:0; }
.cross-fire b { width:36px; height:36px; top:72px; left:72px; border-radius:50%; background:white; }
.feature-image { padding:0; color:white; background:#101d31; display:grid; grid-template-rows:50% 50%; }
.feature-image img { width:100%; height:100%; object-fit:cover; object-position:center 40%; opacity:.76; }
.feature-image div { padding:36px 52px; }
.feature-image h3 { margin:16px 0 12px; font-size:38px; }
.feature-image p { color:#96a3b8; margin:0; }
.feature-image span { color:#51b7ff; font-size:10px; letter-spacing:.2em; }

.cta-band { padding:110px 24px; text-align:center; color:white; background:linear-gradient(125deg,#086bea,#0742c8); }
.cta-band > p { margin:0 0 16px; color:#bcd8ff; }
.cta-band .primary-button { margin:36px auto 0; background:white; color:#0756d8; box-shadow:none; }
.support { padding:120px clamp(24px, 9vw, 150px); display:grid; grid-template-columns:1fr 2fr; gap:70px; background:#f4f7fb; }
.support-grid a { position:relative; display:grid; grid-template-columns:1fr 1.5fr auto; align-items:center; padding:28px 0; border-bottom:1px solid var(--line); transition:padding .2s; }
.support-grid a:hover { padding-left:10px; }
.support-grid span { color:var(--muted); font-size:13px; }
.support-grid b { font-size:15px; }
.support-grid i { color:var(--blue); font-style:normal; }

footer { padding:54px clamp(24px, 7vw, 112px); display:grid; grid-template-columns:.7fr 1.6fr 1fr; gap:50px; color:#748195; background:#050b15; font-size:11px; line-height:1.9; }
.footer-brand { align-self:start; color:white; }
.footer-brand .brand-avatar { width:38px; height:38px; flex-basis:38px; }
.footer-meta p { margin:0 0 15px; }
.filings { display:flex; flex-direction:column; align-items:flex-end; }
.filings a:hover { color:white; }

.qr-modal { width:min(90vw, 420px); padding:44px; text-align:center; border:1px solid rgba(255,255,255,.13); border-radius:10px; color:white; background:#081527; box-shadow:0 30px 90px #000; }
.qr-modal::backdrop { background:rgba(1,5,12,.82); backdrop-filter:blur(7px); }
.modal-close { position:absolute; top:12px; right:16px; border:0; color:#9daac0; background:none; font-size:28px; cursor:pointer; }
.mini-code { display:block; width:220px; height:220px; margin:0 auto 28px; object-fit:cover; border:10px solid white; border-radius:8px; }
.qr-modal h2 { margin:0 0 10px; }.qr-modal p { margin:0; color:#8b9ab1; }

.legal-page { min-height:100vh; padding:130px max(24px, calc((100vw - 860px)/2)) 100px; background:white; }
.legal-page h1 { color:var(--ink); font-size:48px; letter-spacing:-.04em; }
.legal-page h2 { margin-top:42px; font-size:24px; }
.legal-page p, .legal-page li { color:#536174; line-height:1.9; }
.legal-note { padding:18px 22px; border-left:3px solid var(--blue); background:#eef5ff; }

@keyframes float { 50% { transform:translateY(-12px); } }
@keyframes spin { to { transform:rotate(360deg); } }
@media (max-width: 800px) {
  .site-header { height:66px; } nav, .header-cta { display:none; }
  .hero { height:auto; min-height:100vh; grid-template-columns:1fr; padding-top:120px; }
  .hero-art { height:440px; grid-row:1; }.hero-copy { grid-row:2; }
  .hero-art img { width:min(100%, 440px); }.scroll-note { display:none; }
  .quick-stats { gap:18px; justify-content:space-between; margin-bottom:35px; }
  .manifesto, .support { grid-template-columns:1fr; padding:80px 24px; }
  .manifesto > div { grid-template-columns:1fr; gap:25px; }
  .features { grid-template-columns:1fr; padding:0 16px 80px; }
  .feature-large { grid-column:auto; grid-template-columns:1fr; }.feature-large .card-copy { padding:42px 30px; }
  .feature-large img { height:360px; mask-image:linear-gradient(to bottom, transparent, black 20%); }
  .feature-card { padding:38px 28px; min-height:470px; }
  .feature-image { padding:0; }.feature-image div { padding:30px; }
  .cross-fire { right:10%; }
  .support-grid a { grid-template-columns:1fr auto; }.support-grid a span { display:none; }
  footer { grid-template-columns:1fr; gap:20px; }.filings { align-items:flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior:auto; } .hero-art img, .orbit-two { animation:none; } }