:root{--paper:#f4f3ee;--ink:#101114;--muted:#6d6d68;--line:#c9c8c1;--acid:#2d49d9;--pink:#fa1685;--surface:#e8e7e1;--mono:"DM Mono",monospace;--sans:"Manrope","Noto Sans SC",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);min-width:320px}html[lang="zh-Hans"] body{font-family:"Noto Sans SC",var(--sans)}html[lang="zh-Hant"] body{font-family:"Noto Sans TC",var(--sans)}a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:100;top:10px;left:10px;transform:translateY(-200%);padding:9px 12px;background:var(--ink);color:white}.skip-link:focus{transform:translateY(0)}.site-header{height:78px;padding:0 clamp(18px,3vw,54px);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;border-bottom:1px solid var(--line);position:absolute;top:0;left:0;width:100%;z-index:5;background:rgba(244,243,238,.88);backdrop-filter:blur(12px)}.wordmark{font-family:var(--mono);font-size:20px;font-weight:500;letter-spacing:.08em;text-decoration:none}.wordmark span{color:var(--pink);font-size:25px;margin-left:2px}.site-header nav{display:flex;gap:28px}.site-header nav a,.locale-control select{font:500 11px var(--mono);letter-spacing:.04em;text-transform:uppercase}.site-header nav a{text-decoration:none}.locale-control{justify-self:end}.locale-control select{appearance:none;background:transparent;border:0;border-bottom:1px solid var(--ink);padding:6px 20px 6px 2px;cursor:pointer;color:var(--ink)}.hero{min-height:760px;position:relative;display:grid;grid-template-columns:minmax(0,1.03fr) minmax(380px,.97fr);align-items:center;gap:4vw;padding:140px clamp(18px,8vw,140px) 72px;overflow:hidden}.hero__grid{position:absolute;inset:0;opacity:.52;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:calc(100% / 8) calc(100% / 8);mask-image:linear-gradient(90deg,black,transparent 70%)}.hero__grid:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--paper) 0 10%,transparent 47%,var(--paper) 85%)}.hero__copy,.hero__object,.hero__foot{position:relative;z-index:1}.kicker,.section-marker{font:500 10px var(--mono);letter-spacing:.08em}.kicker{display:flex;align-items:center;gap:11px;margin:0 0 23px}.kicker span:first-child{width:20px;height:1px;background:var(--pink)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(44px,5.55vw,88px);letter-spacing:-.075em;line-height:.99;margin-bottom:28px;max-width:800px;font-weight:800}h2{letter-spacing:-.06em;font-size:clamp(33px,4vw,60px);line-height:1.04;margin-bottom:0}.hero__lede{max-width:530px;font-size:16px;line-height:1.75;color:#3e3f41;margin-bottom:34px}.hero__actions{display:flex;align-items:center;gap:24px}.button{font:500 11px var(--mono);letter-spacing:.03em;text-decoration:none;display:inline-flex;align-items:center;justify-content:space-between;gap:32px;padding:15px 17px;min-width:190px}.button b{font-size:16px}.button--ink{color:white;background:var(--ink)}.button--outline{border:1px solid var(--ink)}.text-link{font:600 12px var(--sans);text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:3px}.hero__object{width:min(100%,480px);justify-self:center;aspect-ratio:1/1;display:grid;place-items:center;border:1px solid var(--ink);border-radius:50%;background:radial-gradient(circle at 38% 32%,#fff 0 4%,var(--paper) 26%,#e3e2dc 65%,#cbc9c3 100%);box-shadow:22px 26px 0 #d3d2cb}.hero__object:before,.hero__object:after{content:"";position:absolute;border-radius:50%;border:1px solid var(--line)}.hero__object:before{inset:11%}.hero__object:after{inset:27%;border-style:dashed}.roller{width:49%;aspect-ratio:1;position:relative;border-radius:50%;background:linear-gradient(135deg,#213db5,#3458fb);border:14px solid #121317;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35),9px 11px 0 #111}.roller__face{position:absolute;inset:14%;border-radius:50%;border:1px solid rgba(255,255,255,.62)}.roller__core{position:absolute;inset:36%;border-radius:50%;background:#edebe2;border:5px solid #111}.object-meta{position:absolute;font:500 9px var(--mono);letter-spacing:.1em}.object-meta--top{top:13%;left:50%;transform:translateX(-50%)}.object-meta--bottom{bottom:12%;display:flex;gap:38px;font-size:8px}.hero__foot{position:absolute;bottom:28px;left:clamp(18px,8vw,140px);right:clamp(18px,8vw,140px);display:flex;justify-content:space-between;font:500 9px var(--mono);letter-spacing:.08em}.statement{padding:clamp(74px,10vw,160px) clamp(18px,8vw,140px);display:grid;grid-template-columns:.7fr 1.2fr 1fr;gap:4vw;border-top:1px solid var(--ink);background:var(--ink);color:var(--paper)}.statement .section-marker{color:#9d9d98}.statement .section-marker span,.section-marker span{color:var(--pink)}.statement__title>p{font-size:13px;margin-bottom:17px}.statement__body{align-self:end}.statement__body>p{line-height:1.75;font-size:15px;margin-bottom:28px}.fine-print{font-size:11px!important;color:#b6b6af;border-top:1px solid #4d4d4b;padding-top:14px}.architecture{display:grid;grid-template-columns:1fr 1fr;min-height:720px}.architecture__visual{position:relative;background:var(--acid);overflow:hidden;display:grid;place-items:center;color:white}.architecture__ring{border:1px solid rgba(255,255,255,.7);border-radius:50%;position:absolute}.architecture__ring--one{width:80%;aspect-ratio:1}.architecture__ring--two{width:44%;aspect-ratio:1}.architecture__dot{width:9px;height:9px;background:var(--pink);position:absolute;border-radius:50%}.architecture__dot--one{top:27%;left:28%}.architecture__dot--two{bottom:31%;right:25%;background:#fff}.architecture__label{font:800 clamp(90px,16vw,250px)/1 var(--sans);letter-spacing:-.1em}.architecture__content{padding:clamp(70px,9vw,135px) clamp(24px,8vw,130px);display:flex;flex-direction:column;justify-content:center}.architecture__content h2{margin:18px 0 58px}.architecture dl{margin:0}.architecture dl>div{border-top:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:145px 1fr;gap:20px}.architecture dt{font-size:13px;font-weight:700}.architecture dd{margin:0;font-size:13px;line-height:1.65;color:#52534f}.evidence{padding:clamp(74px,10vw,155px) clamp(18px,8vw,140px);border-top:1px solid var(--ink)}.evidence__header{max-width:900px}.evidence__header h2{margin-top:20px}.evidence__rail{list-style:none;margin:72px 0 0;padding:0;border-top:1px solid var(--ink);display:grid;grid-template-columns:repeat(3,1fr)}.evidence__rail li{min-height:310px;padding:21px 24px 20px 0;border-right:1px solid var(--line);margin-right:24px;display:flex;flex-direction:column}.evidence__rail li:last-child{border:0}.evidence__no{font:500 12px var(--mono);color:var(--pink);margin-bottom:auto}.evidence__tag{font:500 10px var(--mono);letter-spacing:.06em;margin:25px 0 12px}.evidence__rail h3{font-size:21px;letter-spacing:-.05em;margin-bottom:12px;max-width:260px}.evidence__rail p{font-size:13px;line-height:1.65;color:#555651;max-width:300px;margin:0}.disclosure{background:var(--surface);border-top:1px solid var(--ink);padding:clamp(74px,10vw,145px) clamp(18px,8vw,140px);display:grid;grid-template-columns:1.05fr .95fr;gap:8vw}.disclosure h2{margin-top:20px}.disclosure__lists{display:grid;grid-template-columns:1fr 1fr;gap:34px}.list-label{font:500 11px var(--mono);letter-spacing:.08em;margin-bottom:20px}.list-label:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:9px}.list-label--yes:before{background:var(--acid)}.list-label--no:before{background:var(--pink)}.disclosure ul{list-style:none;padding:0;margin:0}.disclosure li{font-size:13px;line-height:1.55;padding:12px 0;border-top:1px solid var(--line)}.trace{display:grid;grid-template-columns:1fr 1fr;min-height:650px;background:var(--ink);color:var(--paper)}.trace__card{display:grid;place-items:center;background:#d9d8d1;color:var(--ink);position:relative}.trace__qr{width:min(58%,285px);aspect-ratio:1;background:var(--ink);display:grid;grid-template-columns:repeat(5,1fr);gap:5px;padding:16px}.trace__qr:before,.trace__qr:after,.trace__qr span{content:"";display:block;background:#d9d8d1}.trace__qr:before{grid-column:1/3;grid-row:1/3}.trace__qr:after{grid-column:4/6;grid-row:1/3}.trace__qr span:nth-child(1){grid-column:1/3;grid-row:4/6}.trace__qr span:nth-child(2){grid-column:3;grid-row:3}.trace__qr span:nth-child(3){grid-column:4;grid-row:4}.trace__qr i{background:#d9d8d1}.trace__code{position:absolute;bottom:34px;font:500 9px var(--mono);letter-spacing:.08em}.trace__copy{padding:clamp(74px,10vw,145px) clamp(25px,8vw,140px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.trace__copy h2{margin:20px 0 28px}.trace__copy>p:not(.section-marker){font-size:14px;line-height:1.76;color:#c0c0ba;max-width:470px;margin-bottom:31px}.button--outline{color:var(--paper);border-color:var(--paper)}.cases{padding:clamp(74px,10vw,150px) clamp(18px,8vw,140px);display:grid;grid-template-columns:.9fr 1.1fr;gap:8vw}.cases h2{margin-top:20px}.cases__items{border-top:1px solid var(--ink)}.cases article{display:grid;grid-template-columns:42px 1fr 1.2fr;gap:20px;border-bottom:1px solid var(--line);padding:20px 0}.cases article>span{font:500 10px var(--mono);color:var(--pink)}.cases h3{font-size:16px;margin:0}.cases p{font-size:12px;line-height:1.65;color:#565650;margin:0}footer{padding:28px clamp(18px,3vw,54px);border-top:1px solid var(--ink);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}footer p{margin:0;font:500 9px var(--mono);letter-spacing:.07em;color:var(--muted)}.footer-link{justify-self:end;font:600 12px var(--sans);text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:3px}@media(max-width:800px){.site-header{height:68px;grid-template-columns:1fr auto}.site-header nav{display:none}.wordmark{font-size:17px}.hero{min-height:auto;grid-template-columns:1fr;padding:130px 22px 86px;gap:50px}.hero__object{width:min(88vw,390px)}.hero__foot{left:22px;right:22px;font-size:8px}.hero__foot span:last-child{display:none}h1{font-size:clamp(44px,13vw,68px)}h2{font-size:clamp(34px,10vw,50px)}.statement{grid-template-columns:1fr;gap:35px;padding:74px 22px}.architecture{grid-template-columns:1fr}.architecture__visual{min-height:420px}.architecture__content{padding:70px 22px}.architecture dl>div{grid-template-columns:1fr;gap:8px}.evidence{padding:74px 22px}.evidence__rail{grid-template-columns:1fr;margin-top:48px}.evidence__rail li{min-height:auto;margin:0;padding:21px 0 28px;border-right:0;border-bottom:1px solid var(--line)}.evidence__no{margin-bottom:45px}.disclosure{grid-template-columns:1fr;padding:74px 22px;gap:52px}.trace{grid-template-columns:1fr}.trace__card{min-height:420px}.trace__copy{padding:74px 22px}.cases{padding:74px 22px;grid-template-columns:1fr;gap:52px}.cases article{grid-template-columns:28px 1fr}.cases article p{grid-column:2}footer{grid-template-columns:1fr;gap:14px;padding:26px 22px}.footer-link{justify-self:start}.hero__lede{font-size:14px}.site-header nav{gap:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Readability and product-naming refinement */
.wordmark__cn{margin-left:10px;font:700 13px/1 "Noto Sans SC",var(--sans);letter-spacing:.12em;color:var(--ink)}
.kicker,.section-marker{font-size:12px}
.site-header nav a,.locale-control select{font-size:13px}
.button{font-size:13px}
.text-link{font-size:14px}
.object-meta{font-size:11px}
.object-meta--bottom{font-size:10px}
.object-meta--route{top:22%;left:50%;transform:translateX(-50%);white-space:nowrap;color:var(--acid);font-weight:500}
.hero__foot{font-size:11px}
.fine-print{font-size:13px!important}
.evidence__no{font-size:13px}
.evidence__tag,.list-label{font-size:12px}
.evidence__rail p,.disclosure li{font-size:14px}
.trace__code,footer p{font-size:11px}
.cases article>span{font-size:12px}
.cases p{font-size:14px}
.hero__object,.roller{box-shadow:none}
@media(max-width:800px){.wordmark__cn{font-size:12px}.hero__foot{font-size:10px}.kicker,.section-marker{font-size:11px}}