/* www.cluas.cn: the developer's one-page home. Same palette and labels as the
   Moshpit site (site/src/styles/tokens.css), no build step, no third-party
   loads — this page sits behind the mainland firewall. */
@font-face{font-family:"Geist";font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/geist-latin-wght-normal.woff2) format("woff2")}
@font-face{font-family:"Geist Mono";font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/geist-mono-latin-wght-normal.woff2) format("woff2")}
:root{
  --pit-0:#090B09;--panel:#0E110E;--raise:#161A16;
  --line:rgba(255,255,255,.16);--line-lit:rgba(255,255,255,.28);
  --ink:#F2F2E9;--dim:rgba(242,242,233,.74);--meta:#A1A69B;--acid:#CDFF3D;
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Segoe UI","Microsoft YaHei",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --wrap:1120px;--gutter:clamp(20px,5vw,72px);--r1:3px;--r3:12px;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{background:var(--pit-0);color:var(--ink);font:16px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
.guides{position:fixed;inset:0;margin:0 auto;width:min(var(--wrap),100%);pointer-events:none;z-index:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px calc(100%/6));
  mask-image:linear-gradient(180deg,transparent 0,#000 12%,#000 88%,transparent)}
header,main,footer{position:relative;z-index:1}
img{display:block;max-width:100%;height:auto}
a{color:var(--acid);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--acid);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:16px;top:-48px;z-index:30;padding:10px 14px;border-radius:var(--r1);background:var(--acid);color:var(--pit-0);font:600 13px/1 var(--sans)}
.skip:focus{top:12px;text-decoration:none}

/* labels */
.kicker{display:inline-flex;align-items:center;gap:10px;font:500 12px/1 var(--mono);letter-spacing:.12em;color:var(--acid);margin-bottom:28px}
.kicker::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--acid)}
.rule{display:flex;align-items:center;gap:14px;font:12px/1 var(--mono);letter-spacing:.12em;color:var(--meta);margin-bottom:32px}
.rule::after{content:"";flex:1;height:1px;background:var(--line)}
.rule b{color:var(--acid);font-weight:500}
.k{font:500 11px/1 var(--mono);letter-spacing:.12em;color:var(--meta);margin-bottom:14px}

/* hero */
.hero{padding:clamp(72px,12vh,140px) var(--gutter) clamp(56px,8vh,96px)}
h1{font:800 clamp(40px,7vw,84px)/1.05 var(--sans);letter-spacing:-.02em;word-break:keep-all}
.lede{margin-top:24px;max-width:36em;font-size:clamp(17px,1.35vw,20px);line-height:1.6;color:var(--dim)}
.hero-links{margin-top:20px;font:14px/1 var(--mono)}

/* cards */
.card{border:1px solid var(--line);border-radius:var(--r3);background:var(--panel);padding:28px}
.card h2{font:600 clamp(24px,2.4vw,32px)/1.15 var(--sans);letter-spacing:-.015em;word-break:keep-all}
.card h2 .sub{display:block;margin-top:6px;font:400 15px/1.3 var(--mono);letter-spacing:0;color:var(--meta)}
.card .body>p:not(.k):not(.cta-row){margin-top:14px;color:var(--dim);max-width:44em}
.feature{display:grid;grid-template-columns:96px 1fr;gap:28px;align-items:start}
.feature .icon{border-radius:22px;box-shadow:0 30px 60px -30px rgba(0,0,0,.9)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px!important}
.cta,.ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:var(--r1);font:600 15px/1 var(--sans);white-space:nowrap}
.cta{background:var(--acid);color:var(--pit-0)}
.cta:hover{background:#DDFF70;text-decoration:none}
.ghost{color:var(--ink);border:1px solid var(--line-lit)}
.ghost:hover{border-color:var(--ink);text-decoration:none}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.mini{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.qr{width:200px;height:200px;border-radius:var(--r3);border:1px solid var(--line);background:#fff;padding:8px}

/* channel: one card per platform, the whole card is the link */
.plats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.plat{display:flex;flex-direction:column;color:inherit}
a.plat{transition:border-color .15s}
a.plat:hover{text-decoration:none;border-color:var(--line-lit)}
.plat .k em{font-style:normal;color:var(--acid);margin-left:6px}
.plat .num{font:700 clamp(30px,3vw,40px)/1 var(--sans);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.plat .num small{margin-left:8px;font:500 12px/1 var(--mono);letter-spacing:.08em;color:var(--meta)}
.plat .meta{margin-top:12px;font:13px/1.6 var(--mono);color:var(--dim);overflow-wrap:anywhere}
.plat .go{margin-top:auto;padding-top:18px;font:600 14px/1 var(--sans);color:var(--acid)}
.plat .go.nolink{color:var(--ink);font-weight:500}
.asof{margin-top:14px;font:12px/1.6 var(--mono);letter-spacing:.04em;color:var(--meta)}

/* ledger */
section{margin-top:72px}
.ledger{list-style:none;border-top:1px solid var(--line)}
.ledger li{display:grid;grid-template-columns:minmax(120px,.3fr) 1fr;gap:24px;padding:16px 0;border-bottom:1px solid var(--line)}
.ledger span{font:500 12px/1.7 var(--mono);letter-spacing:.08em;color:var(--meta)}
.ledger a{font-family:var(--mono);font-size:15px}

/* footer: the filing number has to sit at the bottom, visible, linked */
/* footer.wrap, not footer: .wrap sets padding too and a bare element selector loses to it */
footer.wrap{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;margin-top:96px;padding-top:24px;padding-bottom:48px;border-top:1px solid var(--line);font:12px/1.6 var(--mono);letter-spacing:.04em;color:var(--meta)}
footer a{color:var(--meta)}
footer a:hover{color:var(--ink)}

@media(max-width:720px){
  .guides{background:repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px calc(100%/4))}
  .card{padding:22px}
  .feature{grid-template-columns:1fr}
  .feature .icon{width:72px;height:72px;border-radius:17px}
  .grid{grid-template-columns:1fr}
  .plats{grid-template-columns:1fr}
  .mini{grid-template-columns:1fr}
  .qr{width:180px;height:180px}
  .ledger li{grid-template-columns:1fr;gap:4px}
  section{margin-top:56px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}