@font-face{font-family:"Instrument Serif";src:url(../fonts/instrument-serif-latin-400-normal.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(../fonts/instrument-serif-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Geist";src:url(../fonts/geist-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(../fonts/geist-mono-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-display:swap}

/* ───────────── Tokens ───────────── */
:root{
  --bg:#070807; --bg-2:#0B0D0B; --bg-3:#101210;
  --fg:#ECE7DB; --fg-2:rgba(236,231,219,.68); --fg-3:rgba(236,231,219,.44);
  --line:rgba(236,231,219,.10); --line-2:rgba(236,231,219,.18);
  --gold:#F0B90B; --gold-2:#FFD257; --mint:#7CE7C1; --down:#E48B7A; --violet:#B9A8FF;
  --serif:"Instrument Serif","Times New Roman",serif;
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC","Noto Sans SC",monospace;
  --gut:clamp(20px,4vw,56px); --max:1280px; --nav:64px;
  --edge:max(var(--gut),calc((100vw - var(--max))/2 + var(--gut)));
  --ease:cubic-bezier(.2,.7,.1,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--nav) + 12px);background:var(--bg)}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,dl,dd,figure,ol,ul{margin:0;padding:0}
ol,ul{list-style:none}
::selection{background:var(--gold);color:#0A0B0A}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.mono{font-family:var(--mono)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* film grain: fine white speckle over everything (cheap, no blend mode) */
body::after{content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.07;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n' x='0' y='0' width='100%25' height='100%25'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' seed='7' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1.3 -.42'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}

/* scroll progress */
.progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:120;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--gold),var(--gold-2));pointer-events:none}

/* ───────────── Type ───────────── */
.label{display:inline-flex;align-items:center;gap:12px;font:500 11.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-2)}
.label::before{content:"";width:7px;height:7px;background:var(--gold);box-shadow:0 0 14px rgba(240,185,11,.7)}
.h2{font:400 clamp(38px,5.6vw,84px)/.98 var(--serif);letter-spacing:-.025em;color:var(--fg);text-wrap:balance}
.h2 em,.h1 em,.stmt em,.cta__h em{font-style:italic;color:var(--gold)}
.lede{font-size:clamp(16px,1.35vw,19px);line-height:1.6;color:var(--fg-2);max-width:56ch}
html[lang^=zh] .h1,html[lang^=zh] .h2,html[lang^=zh] .stmt,html[lang^=zh] .cta__h,html[lang^=zh] .big{font-family:var(--sans);font-weight:600;letter-spacing:-.02em}
html[lang^=zh] .h2{line-height:1.12}
html[lang^=zh] em{font-style:normal}
html[lang^=zh] .lede,html[lang^=zh] p{letter-spacing:.01em}
html[lang^=zh] .label,html[lang^=zh] .kicker{letter-spacing:.08em}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.sec{position:relative;padding:clamp(88px,12vw,168px) 0}
.sec__head{display:grid;gap:22px;margin-bottom:clamp(40px,6vw,80px)}
.sec__head .lede{margin-top:2px}
.grid-bg::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;background-position:center top;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 0,transparent 78%);mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 0,transparent 78%)}
.sec > .wrap{position:relative;z-index:1}

/* reveal */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.js .rv.in{opacity:1;transform:none}

/* ───────────── Buttons ───────────── */
.btn{--bh:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:var(--bh);padding:0 24px;border-radius:999px;font:500 14.5px/1 var(--sans);white-space:nowrap;border:1px solid transparent;transition:background .25s,border-color .25s,color .25s,box-shadow .35s,transform .25s var(--ease)}
.btn--sm{--bh:38px;padding:0 17px;font-size:13.5px}
.btn--primary{background:var(--fg);color:#0A0B0A}
.btn--primary:hover{background:#fff;box-shadow:0 0 0 6px rgba(240,185,11,.14),0 10px 40px -8px rgba(240,185,11,.55)}
.btn--ghost{border-color:var(--line-2);background:rgba(255,255,255,.04);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn--ghost:hover{border-color:rgba(236,231,219,.4);background:rgba(255,255,255,.09)}
.btn--gold{background:var(--gold);color:#0A0B0A}
.btn--gold:hover{background:var(--gold-2);box-shadow:0 10px 40px -8px rgba(240,185,11,.6)}
.btn .arr{display:inline-block;transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn[aria-disabled=true],.btn:disabled{opacity:.4;pointer-events:none}

/* ───────────── Nav ───────────── */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav);background:rgba(7,8,7,.5);backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);border-bottom:1px solid var(--line)}
.nav__in{height:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gut);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font:500 17px/1 var(--sans);letter-spacing:-.01em}
.brand i{font-style:normal;color:var(--gold)}
.brand img{border-radius:8px}
.nav__links{display:flex;gap:6px}
.nav__links a{padding:9px 14px;border-radius:999px;font-size:14px;color:var(--fg-2);transition:color .2s,background .2s}
.nav__links a:hover,.nav__links a[aria-current=page]{color:var(--fg);background:rgba(255,255,255,.06)}
.nav__r{display:flex;align-items:center;gap:10px}
.lang{display:inline-flex;align-items:center;height:38px;padding:0 4px;border:1px solid var(--line-2);border-radius:999px;font:500 12px/1 var(--mono);letter-spacing:.04em}
.lang span{padding:7px 9px;border-radius:999px;color:var(--fg-3);transition:color .2s,background .2s}
.lang span.on{background:var(--fg);color:#0A0B0A}

/* ───────────── Glass ───────────── */
.glass{position:relative;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.014));backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);overflow:hidden;isolation:isolate}
.glass::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:0;transition:opacity .4s;background:radial-gradient(460px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.085),transparent 42%)}
.glass::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(300px circle at var(--mx,50%) var(--my,0%),rgba(240,185,11,.7),transparent 62%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
.glass:hover::before,.glass:hover::after,.glass:focus-within::before,.glass:focus-within::after{opacity:1}

/* ───────────── Hero ───────────── */
.hero{position:relative;height:210svh;background:var(--bg)}
.hero__pin{position:sticky;top:0;height:100svh;min-height:560px;overflow:hidden;isolation:isolate}
.hero__media{position:absolute;inset:-2%;z-index:-3;transform-origin:62% 42%;transform:scale(calc(1 + var(--p,0)*.16));will-change:transform}
.hero__img,.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 38%}
.hero__img{filter:saturate(.92) contrast(1.04) brightness(.86)}
.hero__video{opacity:0;transition:opacity 1.1s ease;filter:saturate(.92) contrast(1.04) brightness(.86);background:transparent}
.hero__video.on{opacity:1}
.hero__scrim{position:absolute;inset:0;z-index:-2;pointer-events:none;
  background:
    linear-gradient(to top,rgba(7,8,7,.96) 0,rgba(7,8,7,.74) 24%,rgba(7,8,7,.28) 52%,rgba(7,8,7,0) 74%),
    linear-gradient(to right,rgba(7,8,7,.72) 0,rgba(7,8,7,.34) 38%,rgba(7,8,7,0) 66%),
    linear-gradient(to bottom,rgba(7,8,7,.55) 0,rgba(7,8,7,0) 20%)}
.hero__fade{position:absolute;inset:0;z-index:-1;background:var(--bg);opacity:calc(var(--p,0)*.62);pointer-events:none}
.hero__grain{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.22;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' seed='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.hero__content{position:absolute;left:var(--edge);right:var(--edge);bottom:clamp(96px,16vh,170px);max-width:1000px;opacity:calc(1 - var(--p,0)*1.7);transform:translateY(calc(var(--p,0)*-46px))}
.hero .label{margin-bottom:clamp(18px,2.6vh,28px);color:rgba(236,231,219,.82)}
.h1{font:400 clamp(60px,12.4vw,196px)/.86 var(--serif);letter-spacing:-.035em;color:#F6F1E6;text-shadow:0 2px 60px rgba(0,0,0,.35)}
html[lang^=zh] .h1{font-size:clamp(46px,8.6vw,132px);letter-spacing:-.03em;line-height:1.02}
.hero__sub{margin-top:clamp(20px,3vh,32px);max-width:54ch;font-size:clamp(16px,1.45vw,20px);line-height:1.55;color:rgba(236,231,219,.82)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(26px,4vh,40px)}

/* HUD */
.hud{position:absolute;inset:calc(var(--nav) + 18px) var(--edge) 24px;pointer-events:none;z-index:1;opacity:calc(1 - var(--p,0)*2.4)}
.hud i{position:absolute;width:18px;height:18px;border:1px solid rgba(236,231,219,.55)}
.hud i:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}
.hud i:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}
.hud i:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}
.hud i:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}
.hud__t{position:absolute;font:500 10.5px/1 var(--mono);letter-spacing:.18em;color:rgba(236,231,219,.62);text-transform:uppercase}
.hud__t--tl{top:12px;left:14px}.hud__t--tr{top:12px;right:14px}
.hud__live{position:absolute;right:14px;bottom:12px;display:flex;gap:18px;font:500 10.5px/1 var(--mono);letter-spacing:.14em;color:rgba(236,231,219,.74);text-transform:uppercase;transition:opacity .5s}
.hud__live[hidden]{display:flex;opacity:0;visibility:hidden}
.hud__live b{font-weight:500;color:var(--mint);margin-left:7px;font-variant-numeric:tabular-nums}
.hud__live .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);margin-right:8px;box-shadow:0 0 10px var(--mint);animation:pulse 2s ease-in-out infinite;vertical-align:1px}
.cue{position:absolute;left:14px;bottom:12px;display:flex;align-items:center;gap:12px;font:500 10.5px/1 var(--mono);letter-spacing:.18em;color:rgba(236,231,219,.62);text-transform:uppercase}
.cue::after{content:"";width:44px;height:1px;background:linear-gradient(90deg,rgba(236,231,219,.7),transparent);transform-origin:0 50%;animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleX(0)}60%{transform:scaleX(1);opacity:1}100%{transform:scaleX(1);opacity:0}}
@keyframes pulse{50%{opacity:.35}}

/* shard edge: the next section slides up over the pinned hero with a torn glass edge */
.shards{position:absolute;left:0;right:0;bottom:100%;height:clamp(44px,7vw,110px);pointer-events:none;z-index:3}
.shards svg{position:absolute;left:0;top:0;width:100%;height:calc(100% + 1px)}
.shards .fill{fill:var(--bg)}
.shards .edge{fill:none;stroke:rgba(236,231,219,.55);stroke-width:1;vector-effect:non-scaling-stroke}
.shards .frag{fill:rgba(236,231,219,.12);stroke:rgba(236,231,219,.4);stroke-width:1;vector-effect:non-scaling-stroke}

/* ───────────── Manifesto ───────────── */
.stmt-sec{margin-top:-100svh;z-index:2;background:var(--bg);padding:0 0 clamp(60px,8vw,120px)}
.stmt-track{height:250svh}
.stmt-pin{position:sticky;top:0;height:100svh;display:flex;align-items:center}
.stmt-pin .wrap{padding-top:var(--nav)}
.stmt{font:400 clamp(30px,4.7vw,70px)/1.12 var(--serif);letter-spacing:-.02em;max-width:19em;color:var(--fg)}
html[lang^=zh] .stmt{font-size:clamp(24px,3.5vw,50px);line-height:1.4;font-weight:500}
.stmt .w{opacity:.16;transition:opacity .35s linear}
.stmt .w.on{opacity:1}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:clamp(56px,8vw,110px)}
.tiles__label{grid-column:1/-1;margin-bottom:6px}
.tile{padding:30px 28px 32px;display:flex;flex-direction:column;gap:18px;min-height:300px}
.tile__n{font:400 clamp(54px,6vw,88px)/.9 var(--serif);letter-spacing:-.03em;color:var(--fg)}
.tile__n.sm{font-family:var(--mono);font-size:clamp(26px,2.5vw,36px);letter-spacing:-.04em;padding-top:.55em;line-height:1;color:var(--gold)}
.tile__k{font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-top:auto}
.tile__d{font-size:14.5px;line-height:1.55;color:var(--fg-2)}

/* ───────────── Platform ───────────── */
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pcard{display:flex;flex-direction:column}
.pviz{position:relative;height:230px;border-bottom:1px solid var(--line);background:radial-gradient(120% 90% at 50% 120%,rgba(240,185,11,.08),transparent 60%),repeating-linear-gradient(0deg,rgba(255,255,255,.02) 0 1px,transparent 1px 22px);overflow:hidden}
.pbody{padding:28px 30px 32px;display:grid;gap:12px}
.pk{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.pt{font:400 34px/1.05 var(--serif);letter-spacing:-.015em}
html[lang^=zh] .pt{font-family:var(--sans);font-weight:600;font-size:26px}
.pd{font-size:15px;line-height:1.6;color:var(--fg-2);max-width:46ch}
.pg{margin-top:6px;padding-top:16px;border-top:1px solid var(--line);font:400 12px/1.6 var(--mono);color:var(--fg-3)}

/* viz 1 — perception radar */
.v-radar{position:absolute;inset:0;display:grid;place-items:center}
.v-radar .rings{position:absolute;width:208px;height:208px;border-radius:50%;
  background:radial-gradient(circle,transparent 0 31%,rgba(236,231,219,.16) 31.4%,transparent 32.2% 55%,rgba(236,231,219,.12) 55.4%,transparent 56.2% 79%,rgba(236,231,219,.1) 79.4%,transparent 80.2%)}
.v-radar .rings::before,.v-radar .rings::after{content:"";position:absolute;background:rgba(236,231,219,.1)}
.v-radar .rings::before{left:50%;top:0;bottom:0;width:1px}.v-radar .rings::after{top:50%;left:0;right:0;height:1px}
.v-radar .sweep{position:absolute;width:208px;height:208px;border-radius:50%;background:conic-gradient(from 0deg,rgba(124,231,193,.0) 0deg,rgba(124,231,193,.28) 62deg,rgba(124,231,193,0) 64deg);animation:spin 5.5s linear infinite;-webkit-mask-image:radial-gradient(circle,#000 0,#000 98%,transparent 100%)}
.v-radar .blips{position:absolute;width:208px;height:208px}
.v-radar b{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 14px var(--mint);opacity:0;animation:blip 5.5s linear infinite}
.v-radar b:nth-of-type(1){left:61%;top:30%;animation-delay:.9s}
.v-radar b:nth-of-type(2){left:36%;top:62%;animation-delay:3.2s}
.v-radar b:nth-of-type(3){left:68%;top:64%;animation-delay:4.4s}
.v-radar b:nth-of-type(4){left:30%;top:34%;animation-delay:2s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes blip{0%{opacity:0;transform:scale(.4)}6%{opacity:1;transform:scale(1.5)}30%{opacity:.8;transform:scale(1)}60%,100%{opacity:0}}

/* viz 2 — policy checks */
.v-pol{position:absolute;inset:0;display:grid;align-content:center;gap:7px;padding:0 clamp(24px,18%,64px)}
.v-pol .row{display:flex;align-items:center;justify-content:space-between;height:28px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.025);font:500 11.5px/1 var(--mono);letter-spacing:.06em;color:var(--fg-2)}
.v-pol .row i{width:14px;height:14px;border-radius:50%;border:1px solid var(--line-2);position:relative;animation:tick 7s var(--ease) infinite;animation-delay:calc(var(--k)*.55s)}
.v-pol .row i::after{content:"";position:absolute;left:4px;top:2px;width:3px;height:6px;border:solid #0A0B0A;border-width:0 1.5px 1.5px 0;transform:rotate(45deg);opacity:0;animation:tickm 7s var(--ease) infinite;animation-delay:calc(var(--k)*.55s)}
.v-pol .ok{margin-top:3px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid rgba(124,231,193,.5);color:var(--mint);font:600 11.5px/1 var(--mono);letter-spacing:.2em;animation:allow 7s var(--ease) infinite;opacity:.25}
@keyframes tick{0%,4%{background:transparent;border-color:var(--line-2)}12%,78%{background:var(--mint);border-color:var(--mint)}92%,100%{background:transparent;border-color:var(--line-2)}}
@keyframes tickm{0%,4%{opacity:0}12%,78%{opacity:1}92%,100%{opacity:0}}
@keyframes allow{0%,40%{opacity:.25;box-shadow:none}52%,78%{opacity:1;box-shadow:0 0 28px -4px rgba(124,231,193,.55)}92%,100%{opacity:.25;box-shadow:none}}

/* viz 3 — execution flow */
.v-exec{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:0;padding:0 24px}
.v-exec .n{position:relative;z-index:1;padding:10px 14px;border:1px solid var(--line-2);border-radius:10px;background:#0C0E0C;font:500 11.5px/1 var(--mono);letter-spacing:.06em;color:var(--fg-2);animation:node 6s linear infinite;animation-delay:calc(var(--k)*1.7s)}
.v-exec .l{flex:0 1 54px;height:1px;background:var(--line-2);position:relative;min-width:20px}
.v-exec .l::after{content:"";position:absolute;left:0;top:-2px;width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold);animation:travel 6s linear infinite;animation-delay:calc(var(--k)*1.7s);opacity:0}
@keyframes travel{0%{left:0;opacity:0}6%{opacity:1}28%{left:calc(100% - 5px);opacity:1}32%,100%{left:calc(100% - 5px);opacity:0}}
@keyframes node{0%{border-color:var(--line-2);color:var(--fg-2)}6%,30%{border-color:var(--gold);color:var(--gold-2)}40%,100%{border-color:var(--line-2);color:var(--fg-2)}}

/* viz 4 — attestation chain */
.v-att{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:0 22px}
.v-att .b{position:relative;z-index:1;display:grid;gap:7px;width:84px;padding:12px 10px;border:1px solid var(--line-2);border-radius:10px;background:#0C0E0C;text-align:center}
.v-att .b span{font:500 10.5px/1 var(--mono);letter-spacing:.06em;color:var(--fg-2)}
.v-att .b em{font:400 9.5px/1 var(--mono);color:var(--fg-3);font-style:normal;letter-spacing:.04em}
.v-att .b::after{content:"";position:absolute;inset:-1px;border-radius:10px;border:1px solid var(--mint);opacity:0;animation:lit 6s linear infinite;animation-delay:calc(var(--k)*1.2s)}
.v-att .l{flex:0 1 26px;min-width:12px;height:1px;background:var(--line-2)}
@keyframes lit{0%{opacity:0}6%,22%{opacity:1}36%,100%{opacity:0}}

/* ───────────── Architecture explorer ───────────── */
.pipe{padding:0}
.pipe__track{position:relative;display:grid;grid-template-columns:repeat(7,1fr);padding:26px 18px 0;border-bottom:1px solid var(--line)}
.pipe__line{position:absolute;left:0;right:0;top:46px;height:1px;background:var(--line-2)}
.pipe__fill{position:absolute;left:0;top:0;height:1px;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-2));box-shadow:0 0 14px rgba(240,185,11,.6);transition:width .9s var(--ease),left .9s var(--ease)}
.pipe__packet{position:absolute;top:-4px;left:0;width:9px;height:9px;margin-left:-4.5px;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 5px rgba(240,185,11,.16),0 0 24px var(--gold);transition:left .9s var(--ease)}
.node{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;padding:0 4px 24px;text-align:center;color:var(--fg-3);transition:color .3s}
.node__n{position:relative;z-index:1;display:grid;place-items:center;width:42px;height:42px;margin-top:-1px;border-radius:50%;border:1px solid var(--line-2);background:#0B0D0B;font:500 12px/1 var(--mono);letter-spacing:.04em;transition:border-color .3s,color .3s,background .3s,box-shadow .3s}
.node__t{font:500 13.5px/1.2 var(--sans)}
.node:hover{color:var(--fg)}
.node:hover .node__n{border-color:rgba(236,231,219,.5)}
.node.done .node__n{border-color:rgba(240,185,11,.5);color:var(--gold)}
.node.on{color:var(--fg)}
.node.on .node__n{border-color:var(--gold);background:var(--gold);color:#0A0B0A;box-shadow:0 0 0 6px rgba(240,185,11,.14)}
.node::after{content:"";position:absolute;left:50%;bottom:-1px;height:2px;width:0;background:var(--gold);transform:translateX(-50%)}
.node.on::after{width:44%;transition:width .5s var(--ease)}
.node.auto.on::after{width:100%;transition:none;transform:translateX(-50%) scaleX(0);transform-origin:0 50%;animation:auto var(--auto,6s) linear forwards}
@keyframes auto{to{transform:translateX(-50%) scaleX(1)}}
.pipe__body{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);min-height:548px}
.pinfo{padding:clamp(26px,3.4vw,48px);display:flex;flex-direction:column;gap:20px;border-right:1px solid var(--line)}
.kicker,.pinfo .kicker{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--gold);max-width:none}
.pinfo h3{font:400 clamp(36px,4vw,56px)/1 var(--serif);letter-spacing:-.02em}
html[lang^=zh] .pinfo h3{font-family:var(--sans);font-weight:600;font-size:clamp(30px,3.2vw,44px)}
.pinfo p{color:var(--fg-2);font-size:16px;line-height:1.62;max-width:44ch}
.io{display:grid;grid-template-columns:1fr 1fr;gap:1px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--line);margin-top:4px}
.io div{padding:14px 16px;background:#0B0D0B}
.io dt{font:500 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);margin-bottom:9px}
.io dd{font:500 13px/1.4 var(--mono);color:var(--fg)}
.guard{margin-top:auto;display:flex;gap:12px;align-items:flex-start;padding-top:20px;border-top:1px solid var(--line);font-size:14px;line-height:1.5;color:var(--fg-2)}
.guard .mono{flex:none;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mint);padding-top:3px}
.swap{animation:swap .55s var(--ease)}
@keyframes swap{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* code panel */
.code{display:flex;flex-direction:column;min-width:0;background:rgba(0,0,0,.28)}
.code__bar{display:flex;align-items:center;gap:12px;height:48px;padding:0 16px;border-bottom:1px solid var(--line);font:500 12px/1 var(--mono);color:var(--fg-2)}
.code__bar .dots{display:flex;gap:6px}.code__bar .dots i{width:9px;height:9px;border-radius:50%;background:rgba(236,231,219,.16)}
.code__file{color:var(--fg);margin-left:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{margin-left:auto;padding:5px 9px;border:1px solid var(--line-2);border-radius:999px;font:500 10px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3);white-space:nowrap}
.cbtn{flex:none;padding:6px 11px;border:1px solid var(--line-2);border-radius:8px;font:500 11px/1 var(--mono);letter-spacing:.04em;color:var(--fg-2);transition:color .2s,border-color .2s,background .2s}
.cbtn:hover{color:var(--fg);border-color:rgba(236,231,219,.4);background:rgba(255,255,255,.05)}
.cbtn.ok{color:var(--mint);border-color:rgba(124,231,193,.5)}
.cbtn:disabled{opacity:.35;pointer-events:none}
.code pre{margin:0;padding:22px 24px 26px;overflow:auto;font:400 13px/1.75 var(--mono);color:#D9D4C7;tab-size:2;flex:1;scrollbar-width:thin;scrollbar-color:rgba(236,231,219,.2) transparent}
.code pre code{display:block;font:inherit;white-space:pre}
.tk-c{color:rgba(236,231,219,.38)}.tk-s{color:var(--mint)}.tk-k{color:var(--violet)}.tk-n{color:var(--gold-2)}.tk-f{color:#fff}.tk-p{color:#9FC9FF}
.pcode{min-height:420px}

/* interfaces */
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.two .code{border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(0,0,0,.25));overflow:hidden}
.two .code pre{font-size:12.5px;max-height:520px}
.after{margin-top:34px;display:flex;justify-content:flex-start}

/* trust model */
.zones{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.zones::before{content:"";position:absolute;left:0;right:0;top:-18px;height:1px;background:linear-gradient(90deg,transparent,var(--line-2) 8%,var(--line-2) 92%,transparent)}
.zones::after{content:"";position:absolute;top:-19px;left:0;width:90px;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,var(--gold));box-shadow:0 0 18px var(--gold);animation:run 5.5s var(--ease) infinite}
@keyframes run{0%{left:0;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:calc(100% - 90px);opacity:0}}
.zone{padding:28px 26px 30px;display:flex;flex-direction:column;gap:18px;min-height:340px}
.zone__k{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.zone__t{font:400 31px/1.08 var(--serif);letter-spacing:-.015em}
html[lang^=zh] .zone__t{font-family:var(--sans);font-weight:600;font-size:23px}
.zone__bar{height:3px;border-radius:3px;background:var(--line);overflow:hidden;margin-top:auto}
.zone__bar i{display:block;height:100%;width:var(--w);background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.zone dl{display:grid;gap:14px}
.zone dt{font:500 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);margin-bottom:6px}
.zone dd{font-size:14.5px;line-height:1.45;color:var(--fg)}
.zone dd.no{color:var(--fg-2)}

/* ───────────── Proof ───────────── */
.liverow{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center}
.live{display:inline-flex;gap:14px;align-items:center;font:500 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3)}
.live[hidden]{display:none}
.live b{font-weight:500;color:var(--mint);font-variant-numeric:tabular-nums}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:14px}
.metric{padding:24px 26px}
.metric__k{font:500 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.metric__v{margin-top:18px;font:400 clamp(40px,4.4vw,64px)/1 var(--serif);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric__v.is-empty{color:var(--fg-3)}
.up{color:var(--mint)}.down{color:var(--down)}
.mute{color:var(--fg-3)}
.ledger{overflow-x:auto}
.ledger__in{min-width:760px}
.lhead,.lrow{display:grid;grid-template-columns:1.25fr .8fr 1fr .9fr 1fr 1.15fr;gap:14px;align-items:center;padding:0 26px}
.lhead{height:48px;border-bottom:1px solid var(--line);font:500 10.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.lhead .r,.lrow .r{text-align:right}
.lrow{min-height:56px;font-size:14px}
.litem{border-bottom:1px solid var(--line)}.litem:last-child{border-bottom:0}
.lrow .mono{font-size:12.5px;color:var(--fg-2)}
.lrow .tx{font:500 12.5px/1 var(--mono);color:var(--gold);transition:color .2s}
.lrow .tx:hover{color:var(--gold-2)}
.lrat{padding:0 26px 18px;font-size:13.5px;line-height:1.55;color:var(--fg-2);max-width:90ch}
.lempty{padding:64px 26px;text-align:center;display:grid;gap:6px;justify-items:center}
.lempty strong{font:400 28px/1.1 var(--serif);letter-spacing:-.01em}
html[lang^=zh] .lempty strong{font-family:var(--sans);font-weight:600;font-size:20px}
.lempty span{font-size:14px;color:var(--fg-3)}
.lempty .pulse{width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(240,185,11,.5);animation:ring 2.4s ease-out infinite;margin-bottom:14px}
@keyframes ring{to{box-shadow:0 0 0 22px rgba(240,185,11,0)}}
.verify{display:grid;grid-template-columns:5fr 7fr;gap:16px;margin-top:14px}
.vcard{padding:30px 32px}
.vcard h3{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:22px}
.vsteps{display:grid;gap:16px;counter-reset:s}
.vsteps li{display:flex;gap:14px;font-size:15px;line-height:1.5;color:var(--fg-2);counter-increment:s}
.vsteps li::before{content:counter(s,decimal-leading-zero);font:500 12px/1.6 var(--mono);color:var(--gold);flex:none}
.walletrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.25);margin-bottom:14px}
.walletrow .k{font:500 10.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);width:100%}
.walletrow code{font:500 14px/1.3 var(--mono);color:var(--fg);word-break:break-all}
.walletrow code.is-empty{color:var(--fg-3);font-family:var(--sans);font-weight:400}
.walletrow .btn{margin-left:auto}
.term{border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.35);overflow:hidden}
.term__bar{display:flex;align-items:center;gap:10px;padding:10px 12px 10px 16px;border-bottom:1px solid var(--line);font:500 10.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.term__bar .cbtn{margin-left:auto}
.term pre{margin:0;padding:16px 18px;overflow:auto;font:400 13px/1.8 var(--mono);color:#D9D4C7;scrollbar-width:thin}
.term .pr{color:var(--gold)}
.risk{margin-top:26px;font-size:13px;line-height:1.55;color:var(--fg-3);max-width:70ch}

/* token */
.token{display:grid;grid-template-columns:5fr 7fr;gap:clamp(30px,6vw,96px);align-items:start}
.token__big{font:400 clamp(100px,17vw,260px)/.8 var(--serif);letter-spacing:-.05em;color:var(--fg);margin:64px 0 34px}
.token__big span{color:var(--gold)}
.spec{display:grid;border:1px solid var(--line);border-radius:20px;overflow:hidden;margin-bottom:14px}
.spec>div{display:grid;grid-template-columns:150px 1fr auto;gap:14px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line);min-height:62px}
.spec>div:last-child{border-bottom:0}
.spec dt{font:500 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.spec dd{font-size:15px;color:var(--fg);word-break:break-all;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spec dd.mono{font-size:13.5px}
.spec .is-empty{color:var(--fg-3)}
.spec a.mini{font:500 12px/1 var(--mono);color:var(--gold)}
.buysteps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.buystep{padding:24px 24px 26px}
.buystep b{display:block;font:500 12px/1 var(--mono);color:var(--gold);margin-bottom:14px}
.buystep h4{font:500 16px/1.3 var(--sans);margin-bottom:8px}
.buystep p{font-size:14px;line-height:1.55;color:var(--fg-2)}
.token__cta{margin-top:22px}

/* footer */
.foot{position:relative;overflow:hidden;border-top:1px solid var(--line);padding:clamp(80px,12vw,170px) 0 34px}
.foot::before{content:"";position:absolute;left:50%;top:-30%;width:90%;height:90%;transform:translateX(-50%);pointer-events:none;background:radial-gradient(closest-side,rgba(240,185,11,.13),transparent);filter:blur(30px)}
.cta{position:relative;z-index:1;display:grid;gap:28px;justify-items:start}
.cta__h{font:400 clamp(54px,10.5vw,170px)/.9 var(--serif);letter-spacing:-.035em;max-width:11em}
html[lang^=zh] .cta__h{font-size:clamp(44px,8.6vw,132px);line-height:1.04}
.cta .lede{max-width:50ch}
.foot__bar{position:relative;z-index:1;margin-top:clamp(70px,9vw,130px);padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px 34px;justify-content:space-between;align-items:center;font-size:13.5px;color:var(--fg-3)}
.foot__links{display:flex;gap:26px;flex-wrap:wrap}
.foot__links a:hover{color:var(--fg)}
.foot__legal{flex:0 0 100%;width:100%;font-size:12.5px;line-height:1.6}

/* ───────────── Responsive ───────────── */
@media (max-width:1080px){
  .tiles{grid-template-columns:repeat(2,1fr)}
  .zones{grid-template-columns:repeat(2,1fr);row-gap:14px}.zones::before,.zones::after{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .verify,.token{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav__links{display:none}
  .pgrid,.two{grid-template-columns:1fr}
  .pipe__body{grid-template-columns:1fr;min-height:0}
  .pinfo{min-height:470px}
  .pcode pre{flex:none;height:410px}
  .pinfo{border-right:0;border-bottom:1px solid var(--line)}
  .pipe__track{display:flex;overflow-x:auto;scrollbar-width:none;padding-left:12px;padding-right:12px;scroll-snap-type:x proximity}
  .pipe__track::-webkit-scrollbar{display:none}
  .node{flex:0 0 96px;scroll-snap-align:center}
  .pipe__line{right:auto;width:var(--trackw,100%)}
  .buysteps{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .hero{height:190svh}
  .hero__content{bottom:clamp(84px,14vh,130px)}
  .hero__media{transform-origin:60% 40%}
  .hero__img,.hero__video{object-position:58% 30%}
  .hero__scrim{background:linear-gradient(to top,rgba(7,8,7,.97) 0,rgba(7,8,7,.82) 30%,rgba(7,8,7,.3) 58%,rgba(7,8,7,0) 76%),linear-gradient(to bottom,rgba(7,8,7,.6) 0,rgba(7,8,7,0) 18%)}
  .h1{font-size:clamp(52px,17.4vw,120px)}
  html[lang^=zh] .h1{font-size:clamp(42px,13.4vw,96px)}
  .code__bar .dots{display:none}
  .ledger__in.is-empty{min-width:0}
  .ledger__in.is-empty .lhead{display:none}
  .hud__t--tr,.hud__live .gas{display:none}
  .cue{display:none}
  .hud__live{left:14px;right:auto}
  .btn{padding:0 20px}
  .nav__r .btn--ghost{display:none}
  .tiles{grid-template-columns:1fr}.tile{min-height:0}
  .zones{grid-template-columns:1fr}.zone{min-height:0}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{padding:20px}
  .spec>div{grid-template-columns:1fr;gap:8px}
  .lhead,.lrow{padding:0 18px}
  .vcard{padding:24px 22px}
  .pbody{padding:24px 22px 28px}
  .code pre{padding:18px}
  .foot__bar{flex-direction:column;align-items:flex-start}
}

/* ───────────── Reduced motion ───────────── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .hero{height:100svh}
  .hero__pin{position:relative}
  .stmt-sec{margin-top:0}
  .stmt-track{height:auto}
  .stmt-pin{position:static;height:auto;padding:clamp(90px,14vw,180px) 0 0}
  .hero__media{transform:none}
  .hero__content,.hud{opacity:1;transform:none}
  .hero__fade{opacity:0}
  .stmt .w{opacity:1}
  .js .rv{opacity:1;transform:none}
}