:root{
  --bg:#070B1A; --bg2:#0B1124; --panel:#101A36; --panel2:#0C1530;
  --gold:#E8C46B; --gold2:#F4D98B; --gold3:#C9A24A;
  --violet:#8B5CF6; --cyan:#22D3EE;
  --txt:#fff; --txt2:rgba(255,255,255,.66); --txt3:rgba(255,255,255,.4);
  --line:rgba(232,196,107,.2);
  --grad:linear-gradient(100deg,#FCE08A 0%,#FFD24D 22%,#FFF4CC 42%,#FFD24D 62%,#F6D27A 82%,#FCE08A 100%);
  --r:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.7;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse at 50% -10%,rgba(232,196,107,.1) 0%,rgba(139,92,246,.06) 35%,transparent 62%);pointer-events:none;z-index:-1}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.en{font-family:"Orbitron",sans-serif;text-transform:uppercase;letter-spacing:.32em;font-weight:600;font-size:11px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}
.gold{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}
@keyframes gradflow{0%{background-position:0% center}100%{background-position:200% center}}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(7,11,26,.78);border-bottom:1px solid var(--line)}
.topbar .in{display:flex;align-items:center;justify-content:space-between;height:62px}
.in-right{display:flex;align-items:center;gap:16px;min-width:0}
.back{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:700;color:var(--gold);padding:8px 16px;border:1px solid var(--line);border-radius:999px;white-space:nowrap;transition:transform .2s,box-shadow .2s,border-color .2s}
.back:hover{transform:scale(1.04);border-color:var(--gold);box-shadow:0 0 18px rgba(232,196,107,.25)}
.brand{display:flex;align-items:center;gap:10px;font-weight:900}
.brand .be{font-family:"Orbitron",sans-serif;font-size:17px;letter-spacing:.16em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}
.brand .bc{font-weight:800;letter-spacing:.06em}
.brand .div{color:var(--txt3);font-weight:400;margin:0 2px}
.tag{font-size:11px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;border:1px solid var(--line);padding:5px 12px;border-radius:999px;letter-spacing:.12em}

/* hero */
.hero{position:relative;padding:120px 0 90px;text-align:center;overflow:hidden}
.hero h1{font-size:clamp(34px,6vw,68px);font-weight:900;line-height:1.12;letter-spacing:-1px;
  font-family:"Noto Serif SC",-apple-system,"PingFang SC",serif}
.hero .sub{font-size:clamp(15px,2.3vw,20px);color:var(--txt2);max-width:680px;margin:26px auto 0}
.hero .cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:38px}
.btn{border:none;cursor:pointer;font-family:inherit;font-weight:700;border-radius:999px;padding:14px 30px;font-size:15px;transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}
.btn-gold{background:var(--grad);background-size:200% auto;animation:gradflow 6s linear infinite;color:#0a0a12;box-shadow:0 10px 34px rgba(232,196,107,.36)}
.btn-gold:hover{transform:scale(1.05);box-shadow:0 16px 46px rgba(232,196,107,.5)}
.btn-line{background:transparent;color:var(--txt);border:1px solid var(--line)}
.btn-line:hover{border-color:var(--gold);color:var(--gold);transform:scale(1.03)}
.hero .note{margin-top:18px;font-size:12px;color:var(--txt3);letter-spacing:.04em}

/* section */
section{padding:84px 0;position:relative}
.sec-head{text-align:center;max-width:720px;margin:0 auto 50px}
.sec-head .en{display:block;margin-bottom:14px}
.sec-head h2{font-size:clamp(28px,4.4vw,44px);font-weight:900;line-height:1.2;font-family:"Noto Serif SC",serif}
.sec-head p{color:var(--txt2);margin-top:14px;font-size:15px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}

/* story split */
.story{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.story .lead{position:relative;font-size:17px;line-height:1.8;color:var(--txt2);padding-left:22px;border-left:1px solid var(--line)}
.story .lead::before{content:"”";position:absolute;left:-18px;top:-32px;font-family:"Noto Serif SC",serif;font-size:88px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;opacity:.22}
.story .lead b{color:#fff}
.story .lead .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;font-weight:700}
.story-intro{font-size:20px;font-weight:800;color:#fff;margin-bottom:18px}
.story-pills{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.pill{display:flex;align-items:flex-start;gap:12px;background:var(--panel2);border:1px solid var(--line);border-radius:16px;padding:14px 16px;transition:transform .2s,box-shadow .2s}
.pill:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(232,196,107,.1)}
.pill-ic{font-size:22px;flex:0 0 28px;line-height:1.3}
.pill-tx{font-size:15px;color:var(--txt2);line-height:1.55}
.story-close{margin-bottom:16px}
.story-quote{position:relative;display:inline-block;font-size:18px;font-weight:800;padding:10px 18px 10px 20px;border-radius:14px;background:linear-gradient(135deg,rgba(232,196,107,.12),rgba(139,92,246,.08));border:1px solid var(--line)}
.story-quote::before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:3px;background:var(--grad);background-size:200% auto;animation:gradflow 5s linear infinite;border-radius:2px}
.scene-col{display:flex;flex-direction:column;align-items:center}
.scene-vis{position:relative;width:100%;height:320px;border:1px solid var(--line);border-radius:24px;background:radial-gradient(circle at 50% 50%,rgba(139,92,246,.14),transparent 70%);overflow:hidden}
.scene-vis svg{position:absolute;inset:0;width:100%;height:100%}
.scene-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#0a0a12;background:var(--grad);background-size:200% auto;animation:gradflow 5s linear infinite;box-shadow:0 0 30px rgba(232,196,107,.5);z-index:3}
.scene-vis .star{position:absolute;width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.22);box-shadow:0 0 8px rgba(255,255,255,.14);transform:translate(-50%,-50%)}
.scene-vis .star.lit{background:var(--gold);box-shadow:0 0 14px rgba(232,196,107,.7);animation:tw 3s ease-in-out infinite}
.scene-cap{text-align:center;margin-top:18px;font-size:14px;color:var(--txt2);letter-spacing:.06em;max-width:90%}
@keyframes tw{0%,100%{opacity:.5;transform:translate(-50%,-50%) scale(.8)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.2)}}

/* stat cards */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;position:relative;overflow:hidden}
.scard::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);background-size:200% auto;animation:gradflow 6s linear infinite}
.scard .n{font-size:clamp(30px,4vw,44px);font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}
.scard .t{font-size:15px;font-weight:700;margin-top:6px}
.scard .d{font-size:13px;color:var(--txt2);margin-top:8px;line-height:1.6}

/* moat grid */
.moat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.m{background:var(--panel2);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s}
.m:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(232,196,107,.12)}
.m .ic{font-size:28px;margin-bottom:12px}
.m h3{font-size:18px;font-weight:800;margin-bottom:8px}
.m p{font-size:14px;color:var(--txt2)}

/* architecture */
.arch{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}
.ac{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px}
.ac h3{font-size:19px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;margin-bottom:12px}
.ac ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.ac li{font-size:14px;color:var(--txt2);padding-left:18px;position:relative}
.ac li::before{content:"◆";position:absolute;left:0;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:10px;top:4px}
.flywheel{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:10px}
.fw{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:16px 20px;font-size:14px;font-weight:700;color:#fff}
.fw .ar{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;margin:0 4px}
.fw-cap{text-align:center;color:var(--txt2);font-size:14px;margin-top:14px;max-width:620px;margin-left:auto;margin-right:auto}

/* sponsor matrix */
.sponsors{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sp{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:20px 16px;text-align:center;transition:.3s}
.sp:hover{border-color:var(--gold);transform:translateY(-6px)}
.sp .logo{font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;color:#fff}
.sp .c{font-size:12px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;margin-top:6px;letter-spacing:.04em}
.spon-cap{margin-top:26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px;font-size:15px;color:var(--txt2);line-height:1.8}
.spon-cap b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}

/* tier table */
.tier-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tier{width:100%;border-collapse:collapse;min-width:640px}
.tier th,.tier td{padding:16px 18px;text-align:left;border:1px solid var(--line);font-size:14px;vertical-align:top}
.tier thead th{background:var(--panel);font-weight:800;color:#fff;font-size:15px}
.tier thead th.feat{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tier tbody th{background:var(--panel2);font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tier td.ok{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tier td.no{color:var(--txt3)}
.tier .price{font-size:20px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite}

/* chart */
.chart-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px}
.chart-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.chart-head h3{font-size:18px;font-weight:800}
.chart-head .u{font-size:12px;color:var(--txt3)}
.bars{display:flex;align-items:flex-end;gap:5%;height:240px;padding-top:24px;margin-top:8px}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%}
.bar .fill{height:0;background:linear-gradient(180deg,var(--gold),rgba(232,196,107,.15));border-radius:8px 8px 0 0;transition:height 1.1s cubic-bezier(.22,1,.36,1);box-shadow:0 0 22px rgba(232,196,107,.22)}
.bars.show .bar .fill{height:var(--h)}
.bar .val{font-size:13px;font-weight:700;color:#fff;text-align:center;margin-bottom:8px}
.bar .yr{font-size:12px;color:var(--txt3);text-align:center;margin-top:8px}
.axis{display:flex;justify-content:space-between;font-size:11px;color:var(--txt3);margin-top:4px}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rd{background:var(--panel2);border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;position:relative}
.rd .y{font-family:"Orbitron",sans-serif;font-size:14px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;letter-spacing:.1em}
.rd h3{font-size:16px;font-weight:800;margin:8px 0 8px}
.rd p{font-size:13px;color:var(--txt2)}

/* scarcity CTA */
.scarce{text-align:center;background:linear-gradient(180deg,rgba(232,196,107,.12),rgba(139,92,246,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.scarce h2{font-size:clamp(28px,4.6vw,46px);font-weight:900;font-family:"Noto Serif SC",serif;line-height:1.2}
.scarce .big{font-size:clamp(38px,7vw,72px);font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:gradflow 5s linear infinite;margin:18px 0 6px;font-family:"Orbitron",sans-serif;letter-spacing:.04em}
.scarce p{color:var(--txt2);max-width:600px;margin:14px auto 0;font-size:15px}
.scarce .cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:34px}

/* footer */
footer{border-top:1px solid var(--line);padding:44px 0;background:var(--bg2)}
.foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}
.foot-brand{font-weight:900;font-size:16px}
.foot-brand small{display:block;color:var(--txt3);font-weight:400;font-size:12px;margin-top:4px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{font-size:13px;color:var(--txt2)}
.foot-links a:hover{color:var(--gold)}
.foot-copy{width:100%;color:var(--txt3);font-size:12px;text-align:center;margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.disclaimer{max-width:760px;margin:10px auto 0;font-size:11px;color:var(--txt3);line-height:1.6}

@media (max-width:860px){
  .story{grid-template-columns:1fr;gap:28px}
  .scene-col{order:-1}
  .scene-vis{height:260px}
  .stats,.moat,.arch,.sponsors,.road{grid-template-columns:repeat(2,1fr)}
  .topbar .tag{display:none}
}
@media (max-width:520px){
  .stats,.moat,.arch,.sponsors,.road{grid-template-columns:1fr}
  .en{font-size:10px;letter-spacing:.22em}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}