@font-face{font-family:"Space Grotesk";src:url("fonts/space-grotesk.woff2") format("woff2");font-weight:300 700;font-style:normal;font-display:swap}

:root{
  --black:#000;
  --white:#fff;
  --muted:rgba(255,255,255,.66);
  --faint:rgba(255,255,255,.42);
  --line:rgba(255,255,255,.16);
  --nebula:#ff3d8b;
  --font:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:dark;
}
html:lang(zh){--font:"Space Grotesk",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC","Noto Sans SC",sans-serif}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--black);color:var(--white);font-family:var(--font);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
a{color:inherit}
::selection{background:var(--nebula);color:#fff}
:focus-visible{outline:2px solid var(--nebula);outline-offset:4px;border-radius:4px}
section[id]{scroll-margin-top:40px}

#sky{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:0;pointer-events:none;display:block;opacity:0;transition:opacity 2.4s ease}
#sky.on{opacity:1}
main,footer{position:relative;z-index:1}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}

.nav{position:fixed;top:0;left:0;right:0;z-index:10;border-bottom:1px solid transparent;transition:background-color .4s,border-color .4s}
.nav.scrolled{background:rgba(0,0,0,.62);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{font-size:21px;font-weight:500;letter-spacing:-.01em;text-decoration:none;white-space:nowrap}
.links{display:flex;align-items:center;gap:34px}
.links a{font-size:16px;text-decoration:none;color:var(--muted);transition:color .2s;white-space:nowrap}
.links a:hover{color:var(--white)}
.links .pill{color:var(--white);padding:9px 20px;border:1px solid rgba(255,255,255,.34);border-radius:999px;transition:background-color .2s,border-color .2s}
.links .pill:hover{background:rgba(255,255,255,.08);border-color:var(--white)}
.langs{display:flex;align-items:center;gap:14px}
.links .lang{font-size:14px;color:var(--faint);padding:4px 0}
.links .lang:hover,.links .lang[aria-current="page"]{color:var(--white)}
.links .lang[aria-current="page"]{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}

.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;padding:140px 0 clamp(64px,11vh,128px)}
.hero .wrap{position:relative}
.hero h1{font-weight:300;font-size:clamp(50px,8.4vw,124px);line-height:.94;letter-spacing:-.045em;margin:0 0 32px}
.hero .lead{font-size:clamp(18px,1.5vw,21px);line-height:1.55;color:var(--muted);max-width:33em;margin:0 0 40px}
.ctas{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:999px;border:1px solid var(--white);background:var(--white);color:var(--black);font:500 16px/1 var(--font);text-decoration:none;cursor:pointer;transition:background-color .2s,border-color .2s,color .2s}
.btn:hover{background:#e6e4f2;border-color:#e6e4f2}
.btn.ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.34)}
.btn.ghost:hover{background:rgba(255,255,255,.08);border-color:var(--white)}
.btn[disabled]{opacity:.6;cursor:progress}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero h1{animation:rise 1.4s cubic-bezier(.2,.7,.2,1) .7s both}
.hero .lead{animation:rise 1.4s cubic-bezier(.2,.7,.2,1) 1s both}
.hero .ctas{animation:rise 1.4s cubic-bezier(.2,.7,.2,1) 1.2s both}

.block{padding:clamp(110px,15vw,190px) 0}
h2{font-weight:300;font-size:clamp(36px,4.8vw,64px);line-height:1.02;letter-spacing:-.035em;margin:0 0 24px}
.intro{color:var(--muted);max-width:34em;margin:0}

.statement{font-weight:300;font-size:clamp(28px,3.4vw,46px);line-height:1.16;letter-spacing:-.025em;max-width:21em;margin:0 0 44px}
.support{max-width:30em;margin:0 0 0 auto;color:var(--muted)}

.system{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px;margin-top:72px}
.orbit{position:absolute;left:0;top:0;width:100%;height:300px;overflow:visible;pointer-events:none}
.world{position:relative;text-align:center}
.slot{position:relative;height:410px;margin-bottom:22px;--y:2px}
.w2 .slot{--y:20px}
.slot::before{content:"";position:absolute;left:50%;top:calc(var(--y) + 190px);width:380px;height:380px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(closest-side,var(--glow),rgba(0,0,0,0));pointer-events:none}
.w1 .slot{--glow:rgba(255,61,139,.42)}
.w2 .slot{--glow:rgba(255,138,61,.34)}
.w3 .slot{--glow:rgba(47,214,200,.3)}
.slot canvas{position:absolute;left:50%;top:var(--y);transform:translateX(-50%);display:block;width:min(300px,100%);height:auto}
.world h3{font-weight:400;font-size:28px;letter-spacing:-.02em;line-height:1.2;margin:0 0 4px}
.kind{font-size:16px;margin:0 0 12px}
.w1 .kind{color:#ff9cc7}
.w2 .kind{color:#ffc27a}
.w3 .kind{color:#8af5e8}
.world .desc{color:var(--muted);margin:0 auto;max-width:19em;font-size:17px}

.investors .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(40px,7vw,110px);align-items:end}
.investors .intro{margin-bottom:36px}

.contact{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(40px,7vw,110px);align-items:start}
.mail{display:inline-block;margin-top:32px;font-size:clamp(22px,2.4vw,30px);font-weight:300;letter-spacing:-.02em;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:4px;transition:border-color .2s}
.mail:hover{border-color:var(--white)}
.form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px 28px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
.field label{font-size:15px;color:var(--muted)}
.opt{color:var(--faint)}
.field input,.field select,.field textarea{font:400 18px/1.5 var(--font);color:var(--white);background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.3);border-radius:0;padding:10px 0 12px;width:100%;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:140px;resize:vertical}
.field select{-webkit-appearance:none;appearance:none;cursor:pointer;padding-right:30px;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23ffffff' stroke-opacity='.7' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 4px center}
.field select option{background:#000;color:#fff}
.field input::placeholder{color:rgba(255,255,255,.3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--white)}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{box-shadow:0 2px 0 0 var(--nebula)}
.investor{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px 28px;padding:26px 0 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.inv-title{grid-column:1/-1;margin:0 0 -8px;font-size:16px;color:var(--white)}
.err{display:none;font-size:14px;color:#ff9db2}
.invalid .err{display:block}
.invalid input,.invalid textarea{border-bottom-color:#ff9db2}
.consent{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:start;font-size:15px;color:var(--muted)}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--nebula);cursor:pointer}
.consent .err{grid-column:2}
.actions{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.status{margin:0;font-size:15px;color:var(--muted)}
.status.error{color:#ff9db2}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.done h3{font-weight:300;font-size:clamp(30px,3.2vw,42px);letter-spacing:-.03em;line-height:1.1;margin:0 0 12px}
.done:focus{outline:none}
br.sp{display:none}

footer{border-top:1px solid var(--line);background:var(--black)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 40px;padding:36px 0 calc(36px + env(safe-area-inset-bottom));font-size:15px;color:var(--faint)}
footer a{text-decoration:none;color:var(--muted)}
footer a:hover{color:var(--white)}

html:lang(zh) body{line-height:1.85;letter-spacing:.04em}
html:lang(zh) .hero h1{font-size:clamp(38px,6.4vw,96px);line-height:1.16;letter-spacing:.02em}
html:lang(zh) h2{font-size:clamp(30px,4vw,54px);line-height:1.3;letter-spacing:.02em}
html:lang(zh) .statement{font-size:clamp(22px,2.8vw,38px);line-height:1.62;letter-spacing:.03em;max-width:24em}
html:lang(zh) .hero .lead{line-height:1.9}
html:lang(zh) .done h3,html:lang(zh) .mail,html:lang(zh) .world h3{letter-spacing:.01em}

@media (max-width:900px){
  .investors .wrap{grid-template-columns:1fr;gap:0}
}
@media (max-width:860px){
  .contact{grid-template-columns:1fr}
  .support{margin-left:0}
}
@media (max-width:760px){
  .orbit{display:none}
  .system{grid-template-columns:1fr;gap:64px;margin-top:56px}
  .slot{height:auto;margin-bottom:20px}
  .slot::before{top:50%;width:min(360px,96vw);height:min(360px,96vw)}
  .slot canvas{position:relative;top:auto;left:auto;transform:none;margin:0 auto;width:min(300px,82vw)}
  .links{gap:22px}
  .links .sec{display:none}
  br.sp{display:inline}
}
@media (max-width:560px){
  .form,.investor{grid-template-columns:1fr}
}
@media (max-width:480px){
  .nav .wrap{gap:16px}
  .logo{font-size:19px}
  .links{gap:16px}
  .langs{gap:10px}
  .links .pill{padding:8px 14px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero h1,.hero .lead,.hero .ctas{animation:none}
  #sky{transition:none}
}