:root{
  --bg:#061017;--text:#f7fbfc;--muted:#a8bac1;--brand:#20a8ad;--brand2:#45d1d4;
  --line:rgba(69,209,212,.24);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(32,168,173,.12), transparent 34%),
    radial-gradient(circle at 85% 20%, rgba(69,209,212,.08), transparent 30%),
    linear-gradient(180deg,#061017,#07131a 45%,#050c11);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  min-height:100vh;overflow-x:hidden
}
.shell{width:min(1180px,calc(100% - 40px));margin:0 auto}
.narrow{width:min(840px,100%);text-align:center}
.site-header{padding:26px 0 0;position:relative;z-index:3}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.brand-logo{width:190px;height:auto;background:#fff;border-radius:14px;padding:8px 12px;box-shadow:0 12px 40px rgba(0,0,0,.22)}
.language-pill{border:1px solid var(--line);background:rgba(255,255,255,.035);color:#d8e8eb;padding:9px 13px;border-radius:999px;font-size:12px;letter-spacing:.08em}
.hero{min-height:78vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:92px 0 72px;position:relative;z-index:2}
.eyebrow,.section-kicker{color:var(--brand2);letter-spacing:.24em;font-size:12px;font-weight:700;margin-bottom:22px}
h1{margin:0;max-width:980px;font-size:clamp(38px,6vw,78px);line-height:1.04;letter-spacing:-.035em}
h1 .en{font-size:.48em;line-height:1.2;margin-top:18px;color:#cfdee2;letter-spacing:-.01em}
.zh,.en{display:block}
.lead{max-width:800px;color:var(--muted);font-size:clamp(17px,2vw,22px);line-height:1.7;margin:30px auto 0}
.lead .en{font-size:.86em;margin-top:5px;color:#8fa7af}
.countdown-wrap{margin-top:54px;width:100%}
.countdown-label{font-size:12px;letter-spacing:.16em;color:#91aeb5;margin-bottom:14px}
.countdown-label .zh{font-size:14px;letter-spacing:.08em;color:#c7d9dd;margin-bottom:3px}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:14px;max-width:760px;margin:0 auto}
.time-card{background:linear-gradient(180deg,rgba(13,35,45,.82),rgba(6,18,24,.78));border:1px solid var(--line);border-radius:20px;padding:22px 10px 18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.03),0 14px 44px rgba(0,0,0,.18)}
.time-card strong{display:block;font-size:clamp(34px,5vw,56px);font-weight:650;letter-spacing:-.04em;color:#fff}
.time-card span{display:block;margin-top:7px;color:#7f9aa2;font-size:10px;letter-spacing:.12em}
.launch-date{margin-top:17px;color:#91abb2;font-size:12px;letter-spacing:.12em}
.launch-date .zh{font-size:13px;letter-spacing:.06em;color:#bdd0d5;margin-bottom:4px}
.principles{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px;margin-top:48px;color:#bcd1d5;font-size:11px;letter-spacing:.12em}
.statement{border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,.005));padding:90px 20px}
.statement h2{font-size:clamp(32px,5vw,56px);margin:0;line-height:1.1}
.statement h2 .en{font-size:.55em;margin-top:12px;color:#cbdcdf}
.statement p{color:var(--muted);font-size:18px;line-height:1.75;margin:28px auto 0;max-width:760px}
.statement p .en{font-size:.9em;margin-top:5px;color:#8fa6ad}
.coming{padding:88px 0 96px}
.coming-card{max-width:760px;margin:0 auto;text-align:center;border:1px solid var(--line);background:linear-gradient(180deg,rgba(12,30,39,.72),rgba(6,17,23,.72));border-radius:28px;padding:52px 28px;position:relative;overflow:hidden}
.glow-line{position:absolute;left:15%;right:15%;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--brand2),transparent);box-shadow:0 0 26px var(--brand2)}
.coming-symbol{font-size:56px;color:var(--brand2);line-height:1;margin-bottom:18px}
.coming h3{margin:0;font-size:34px}
.coming h3 .en{font-size:.55em;color:#bcd0d5;margin-top:8px;letter-spacing:.12em}
.coming p{color:var(--muted);line-height:1.7;margin:22px auto 30px}
.coming p .en{margin-top:4px;font-size:.9em;color:#8fa6ad}
.button{display:inline-flex;gap:10px;align-items:center;justify-content:center;flex-direction:column;min-width:220px;color:#041014;background:linear-gradient(135deg,var(--brand2),#76e8e6);text-decoration:none;border-radius:999px;padding:14px 24px;font-weight:800;box-shadow:0 10px 34px rgba(32,168,173,.22)}
.button .zh{font-size:14px}.button .en{font-size:10px;letter-spacing:.13em}
footer{border-top:1px solid rgba(255,255,255,.06);padding:26px 0;color:#6f8991;font-size:12px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ambient{position:fixed;border-radius:50%;filter:blur(70px);opacity:.18;pointer-events:none;z-index:0}
.ambient-a{width:320px;height:320px;background:#20a8ad;left:-120px;top:180px}
.ambient-b{width:280px;height:280px;background:#2f7f99;right:-100px;top:420px}
@media (max-width:720px){
  .shell{width:min(100% - 28px,1180px)}.brand-logo{width:150px}.language-pill{font-size:10px;padding:7px 10px}
  .hero{padding:76px 0 60px}.countdown{grid-template-columns:repeat(2,1fr)}.principles{gap:10px 16px}
  .statement{padding:70px 16px}.coming{padding:62px 0 72px}.coming-card{padding:42px 20px}
}