@font-face{font-family:"Archivo V";src:url(/fonts/archivo-var.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Archivo Fallback";src:local("Arial Bold"),local("Arial-BoldMT"),local("Liberation Sans Bold"),local("Helvetica Neue Bold");font-weight:100 900;size-adjust:70%}
@font-face{font-family:"Archivo Fallback W";src:local("Arial Bold"),local("Arial-BoldMT"),local("Liberation Sans Bold"),local("Helvetica Neue Bold");font-weight:100 900;size-adjust:84%}
:root{--bg:#000;--fg:#fff;--mute:#a3a3a3;--line:rgba(255,255,255,.18);--line2:rgba(255,255,255,.4);
--mono:"Plex Mono","Noto Sans Mono CJK TC",monospace;
--sans:"Archivo V",Arial,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
--heavy:"Archivo V","Archivo Fallback","Arial Black","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
--pad:clamp(16px,3.2vw,40px)}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg);color:var(--fg);-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font:400 14px/1.6 var(--mono);min-height:100vh;min-height:100svh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:3px}
img{max-width:100%}
ul{list-style:none}
::selection{background:#fff;color:#000}
:focus-visible{outline:2px solid #fff;outline-offset:3px}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:20}
.skip:focus{left:8px}
[data-lang="en"] [lang="zh-Hant"]:not(.keep),[data-lang="zh"] [lang="en"]:not(.keep){display:none}
.wrap{padding-left:var(--pad);padding-right:var(--pad)}
.k{font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.mute{color:var(--mute)}
/* announcement + header */
.ann{display:flex;flex-wrap:wrap;justify-content:center;gap:2px 10px;padding:8px var(--pad);background:#fff;color:#000;font:500 12px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;text-align:center}
.ann a{color:inherit;text-decoration:underline;text-underline-offset:3px}
header.top{position:sticky;top:0;z-index:10;background:rgba(0,0,0,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--pad)}
.home{display:flex;align-items:center;gap:12px;text-decoration:none}
.home img{display:block;height:16px;width:auto}
.home .sym{display:none}
nav.main ul{display:flex;gap:clamp(14px,2.4vw,32px)}
nav.main a{text-decoration:none;font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:6px 0;border-bottom:1px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{border-bottom-color:#fff}
.right{display:flex;align-items:center;gap:18px}
.lang{display:flex;border:1px solid var(--fg)}
.lang button{all:unset;cursor:pointer;padding:6px 10px;font:500 11px/1 var(--mono);letter-spacing:.12em}
.lang button[aria-pressed="true"]{background:#fff;color:#000}
.lang button:focus-visible{outline:2px solid #fff;outline-offset:2px}
.blink{display:inline-block;width:.6em;height:1em;background:currentColor;vertical-align:-2px;margin-left:4px;animation:b 1.1s steps(1) infinite}
@keyframes b{50%{opacity:0}}
main{flex:1}
/* type */
.heavy,.h1,.h2,.h3{font-family:var(--heavy);font-weight:900;font-stretch:62%;text-transform:uppercase;letter-spacing:-.005em;line-height:.88}
.h1{font-size:clamp(52px,11vw,176px)}
.hero .tag.h1{font-family:"Archivo V","Archivo Fallback","Arial Black",sans-serif}
.h2{font-size:clamp(36px,6.4vw,96px)}
.h3{font-size:clamp(22px,2.6vw,34px);font-stretch:75%;line-height:1}
[data-lang="zh"] .zhsans,[lang="zh-Hant"].h2,[lang="zh-Hant"] .h3,.h3 [lang="zh-Hant"]{font-family:var(--sans);font-weight:800;letter-spacing:.04em;font-stretch:100%}
.zh-sub{font:700 clamp(18px,2.4vw,30px)/1.3 var(--sans);letter-spacing:.08em}
.lead{font:500 clamp(16px,1.55vw,20px)/1.5 var(--sans);max-width:40ch}
.prompt{font:400 13px/1.6 var(--mono);color:var(--mute)}
.prompt b{color:#fff;font-weight:500}
section{border-top:1px solid var(--line)}
.sec{padding-top:clamp(40px,7vw,96px);padding-bottom:clamp(40px,7vw,96px)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:clamp(22px,3.4vw,44px);flex-wrap:wrap}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 20px;border:1px solid #fff;text-decoration:none;font:900 15px/1 var(--heavy);font-stretch:75%;letter-spacing:.06em;text-transform:uppercase;background:transparent;color:#fff;cursor:pointer}
.btn.solid{background:#fff;color:#000}
.btn:hover{background:#fff;color:#000}.btn.solid:hover{background:#d9d9d9}
[data-lang="zh"] .btn{font-family:var(--sans);font-weight:700;letter-spacing:.08em}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
/* hero */
.hero{padding-top:clamp(28px,6vh,72px);padding-bottom:clamp(36px,6vw,80px);border-top:0}
.hero .meta{display:flex;justify-content:space-between;color:var(--mute);margin-bottom:clamp(14px,2.4vw,28px)}
.hero h1 img{display:block;width:100%;height:auto}
.hero .tag{margin-top:clamp(18px,3vw,40px)}
.hero .grid2{margin-top:clamp(28px,5vw,64px)}
.grid2{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,80px);align-items:end}
/* product grid */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.card{position:relative;display:flex;flex-direction:column;text-decoration:none;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 14px 16px;min-width:0}
.card:hover{background:#0c0c0c}
.card .no{display:flex;justify-content:space-between;color:var(--mute)}
.card .fig{display:block;position:relative;aspect-ratio:1/1}
.card .fig img{position:absolute;left:5%;top:6%;width:90%;height:88%;object-fit:contain}
.card .nm{font:900 clamp(20px,2vw,28px)/.95 var(--heavy);font-stretch:62%;text-transform:uppercase}
.card .zh{font:500 13px/1.4 var(--sans);color:var(--mute);margin-top:4px;letter-spacing:.04em}
.card .st{margin-top:12px;display:flex;justify-content:space-between;gap:8px}
.card .st span:last-child{text-decoration:underline;text-underline-offset:3px}
.pill{display:inline-block;border:1px solid var(--line2);padding:3px 7px}
/* tenets / features */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.cols3>div{padding:22px 22px 6px 0;color:var(--mute);font-size:13px}
.cols3>div+div{padding-left:22px;border-left:1px solid var(--line)}
.cols3 b{display:block;font:900 clamp(18px,1.8vw,24px)/1.05 var(--heavy);font-stretch:70%;letter-spacing:.02em;text-transform:uppercase;color:#fff;margin-bottom:8px}
[data-lang="zh"] .cols3 b{font-family:var(--sans);font-weight:800;letter-spacing:.06em}
.nfc{display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.nfc svg{width:clamp(120px,16vw,200px);height:auto}
.quote{font:500 clamp(20px,2.6vw,36px)/1.32 var(--sans);max-width:30ch}
.quote+.quote{margin-top:.2em}
/* waitlist form */
form.wl{width:100%;max-width:640px}
label.lbl{display:block;margin-bottom:10px}
.row{display:flex;border:1px solid #fff}
.row input{flex:1;min-width:0;background:transparent;border:0;color:#fff;font:400 16px/1 var(--mono);padding:16px 14px;border-radius:0}
.row input::placeholder{color:#8a8a8a}
.row input:focus{outline:none}
.row:focus-within{box-shadow:0 0 0 2px #000,0 0 0 4px #fff}
.row button{all:unset;cursor:pointer;background:#fff;color:#000;font:900 15px/1 var(--heavy);font-stretch:75%;letter-spacing:.06em;text-transform:uppercase;padding:0 20px;white-space:nowrap;display:flex;align-items:center;gap:8px}
[data-lang="zh"] .row button{font-family:var(--sans);font-weight:700;letter-spacing:.08em}
.row button:hover{background:#d9d9d9}
.row button:focus-visible{outline:2px solid #fff;outline-offset:4px}
.row button[disabled]{opacity:.6;cursor:progress}
.hp{position:absolute;left:-9999px}
.msg{min-height:1.6em;margin-top:10px;font-size:12px;letter-spacing:.04em}
.msg.err{text-decoration:underline;text-underline-offset:3px}
.priv{margin-top:6px;font-size:12px;line-height:1.65;color:var(--mute)}
/* drop */
.ver{font:900 clamp(120px,30vw,420px)/.78 var(--heavy);font-stretch:62%;letter-spacing:-.02em}
.status{display:flex;flex-wrap:wrap;gap:10px 28px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:clamp(24px,4vw,48px)}
.changelog li{padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.changelog li::before{content:"+ ";color:var(--mute)}
/* product page */
.crumbs{padding-top:18px;padding-bottom:18px;color:var(--mute)}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.pd{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);border-top:1px solid var(--line)}
.gal{display:grid;grid-template-columns:minmax(0,1fr);align-content:start;border-right:1px solid var(--line)}
.gal.one{grid-template-columns:minmax(0,1fr)}
.gal figure{position:relative;aspect-ratio:5/4;border-bottom:1px solid var(--line)}
.gal figure img{position:absolute;left:8%;top:10%;width:84%;height:82%;object-fit:contain}

.gal figcaption{position:absolute;left:12px;top:10px;color:var(--mute)}
.gal .note{grid-column:1/-1;padding:12px 14px;color:var(--mute);border-bottom:1px solid var(--line)}
.buy{padding:clamp(20px,3vw,40px) var(--pad);position:sticky;top:64px;align-self:start}
.buy .code{display:flex;justify-content:space-between;color:var(--mute)}
.buy h1{margin-top:14px}
.buy .zhname{font:700 18px/1.3 var(--sans);letter-spacing:.06em;margin-top:8px}
.buy .desc{margin-top:18px;font:500 16px/1.55 var(--sans);max-width:44ch}
.opt{margin-top:22px}
.opt .k{margin-bottom:8px;color:var(--mute)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line2);padding:7px 10px;font-size:12px;letter-spacing:.06em;display:inline-flex;align-items:center;gap:8px}
.sw{width:12px;height:12px;border:1px solid #fff;display:inline-block}
.avail{margin-top:22px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}
.notify{margin-top:18px}
details.acc{border-bottom:1px solid var(--line)}
details.acc summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;padding:16px 0;font:500 12px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary::after{content:"+"}
details.acc[open] summary::after{content:"−"}
details.acc .in{padding:0 0 18px;font-size:13px;color:#ddd}
details.acc .in li{padding:3px 0}
details.acc .in li::before{content:"— ";color:var(--mute)}
.specs{margin-top:22px;border-top:1px solid var(--line)}
.tbl{overflow-x:auto;margin-top:8px}
table{border-collapse:collapse;width:100%;font-size:12px}
th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:right;white-space:nowrap}
th:first-child,td:first-child{text-align:left;white-space:normal;padding-left:0}
thead th{color:var(--mute);font-weight:500}
.tiny{font-size:12px;color:var(--mute);margin-top:8px}
/* long-form */
.doc{max-width:760px}
.doc h2{font:900 clamp(18px,2vw,24px)/1.15 var(--heavy);font-stretch:75%;text-transform:uppercase;letter-spacing:.02em;margin:38px 0 12px}
[data-lang="zh"] .doc h2{font-family:var(--sans);font-weight:800;letter-spacing:.04em}
.doc p,.doc li{font:400 15px/1.75 var(--sans);color:#e6e6e6}
.doc p+p{margin-top:12px}
.doc ul{margin-top:8px}
.doc li{padding-left:1.2em;position:relative;margin:4px 0}
.doc li::before{content:"—";position:absolute;left:0;color:var(--mute)}
.doc .ph{background:#fff;color:#000;padding:0 3px}
.pagehead{padding-top:clamp(32px,6vw,80px);padding-bottom:clamp(24px,4vw,48px);border-top:0}
.pagehead .k{color:var(--mute);margin-bottom:16px}
.manifesto p{font:500 clamp(20px,2.8vw,38px)/1.35 var(--sans);max-width:28ch;opacity:0;transform:translateY(6px);animation:in .6s ease forwards}
.manifesto p::before{content:"> ";font-family:var(--mono);font-size:.6em;color:var(--mute);vertical-align:.15em}
@keyframes in{to{opacity:1;transform:none}}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:3em 1fr auto;gap:10px;padding:18px 0;font:700 clamp(16px,1.6vw,20px)/1.35 var(--sans)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono)}
.faq details[open] summary::after{content:"−"}
.faq summary span.n{font:500 12px/1.9 var(--mono);color:var(--mute)}
.faq .a{padding:0 0 20px 3em;max-width:70ch;font:400 15px/1.7 var(--sans);color:#ddd}
/* footer */
footer.foot{border-top:1px solid var(--line);padding:28px var(--pad) 22px;font-size:11px;letter-spacing:.06em;color:var(--mute)}
.foot-grid{display:flex;justify-content:space-between;gap:18px 40px;flex-wrap:wrap;margin-bottom:22px}
.foot-grid ul{display:flex;flex-wrap:wrap;gap:8px 18px}
.foot-grid a{text-decoration:none;color:#fff}.foot-grid a:hover{text-decoration:underline}
.copy{display:flex;justify-content:space-between;gap:10px 24px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line)}
.e404{min-height:60vh;display:flex;flex-direction:column;justify-content:center}
@media (max-width:1000px){.pgrid{grid-template-columns:repeat(2,1fr)}.pd{grid-template-columns:1fr}.gal{border-right:0}.buy{position:static}}
@media (max-width:820px){
 .grid2,.nfc{grid-template-columns:1fr}
 .cols3{grid-template-columns:1fr}
 .cols3>div,.cols3>div+div{padding:16px 0;border-left:0;border-bottom:1px solid var(--line)}
 .bar{flex-wrap:wrap;row-gap:10px}
 nav.main{order:3;width:100%;overflow-x:auto}
 .home .wm{display:none}.home .sym{display:block;height:18px}
 .faq .a{padding-left:0}
 .ann>[aria-hidden]{display:none}
}
@media (max-width:420px){
 .row{flex-direction:column}
 .row button{justify-content:center;padding:16px}
 .hero .meta span:last-child{display:none}
 .card{padding:10px 10px 12px}
 .card .st{flex-direction:column;gap:2px}
 .gal figure{aspect-ratio:1/1}
}
@media (prefers-reduced-motion:reduce){.blink{animation:none}.manifesto p{animation:none;opacity:1;transform:none}html{scroll-behavior:auto}}
/* preview commerce */
.pv{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 12px;padding:7px var(--pad);background:repeating-linear-gradient(-45deg,#000 0 10px,#151515 10px 20px);border-bottom:1px solid #fff;font:500 12px/1.4 var(--mono);letter-spacing:.08em;text-align:center}
.pv b,.testpay b{background:#fff;color:#000;padding:2px 7px;letter-spacing:.18em}
.cartlink{text-decoration:none;white-space:nowrap}.cartlink:hover{text-decoration:underline}
.price{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 14px;margin-top:20px}
.price .amt{font:900 30px/1 var(--heavy);font-stretch:75%}
.price .pill{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.shipbox{margin-top:16px;padding:12px 14px;border:1px solid var(--line2);font-size:12px;line-height:1.65;color:#ddd}
.shipbox p+p{margin-top:4px}.shipbox b{color:#fff;font-weight:500}
fieldset{border:0;min-width:0}
legend.k{color:var(--mute);margin-bottom:8px;padding:0}
.pick{cursor:pointer;position:relative}
.pick input{position:absolute;opacity:0;pointer-events:none}
.pick:has(input:checked){background:#fff;color:#000;border-color:#fff}
.pick:has(input:focus-visible){outline:2px solid #fff;outline-offset:2px}
.addrow{display:flex;gap:10px;margin-top:20px;align-items:stretch}
.qty{display:flex;align-items:center;gap:8px;border:1px solid var(--line2);padding:0 10px}
select,.fld input{background:#000;color:#fff;border:1px solid var(--line2);border-radius:0;font:400 15px/1.2 var(--mono);padding:10px}
.qty select{border:0;padding:12px 4px}
.addrow .btn{flex:1;justify-content:center}
.btn.wide{width:100%;justify-content:center;margin-top:16px}
.btn[aria-disabled="true"]{opacity:.4}
.shop .sum{border:1px solid var(--line2);padding:18px;align-self:start}
#cart{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(20px,4vw,56px)}
#cart .empty{grid-column:1/-1}
.line{display:grid;grid-template-columns:96px 1fr auto;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:start}
.line img{background:#000;border:1px solid var(--line);padding:6px;width:96px;height:96px;object-fit:contain}
.line a{text-decoration:none;font:700 16px/1.3 var(--sans)}
.line p{font-size:12px;margin-top:4px}
.qtyrow{display:flex;align-items:center;gap:10px;margin-top:10px}
.qtyrow button{all:unset;cursor:pointer;border:1px solid var(--line2);width:28px;height:28px;text-align:center;line-height:28px}
.qtyrow .rm{width:auto;border:0;text-decoration:underline;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-left:8px;color:var(--mute)}
.currow{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.currow button{all:unset;cursor:pointer;padding:5px 9px;font:500 11px/1 var(--mono)}
.currow button[aria-pressed="true"]{background:#fff;color:#000}
.tot{display:flex;justify-content:space-between;font-size:15px;padding:10px 0;border-top:1px solid var(--line)}
.ack{display:flex;gap:10px;align-items:flex-start;margin-top:12px;font-size:13px;line-height:1.5;cursor:pointer}
.ack input{width:18px;height:18px;margin-top:1px;accent-color:#fff;flex:none}
.ack.need{outline:1px solid #fff;outline-offset:6px}
.co{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(20px,4vw,56px)}
.co .cols>fieldset{padding:20px 0;border-top:1px solid var(--line)}
.fld{display:block;margin-top:12px}.fld .k{display:block;margin-bottom:6px;color:var(--mute)}
.fld input,.co select{width:100%}
.methods{display:grid;gap:8px}
.meth{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;font-size:13px}
.testpay{display:flex;gap:12px;align-items:flex-start;border:1px dashed #fff;padding:12px 14px;font-size:12px;line-height:1.6;margin:6px 0 10px}
.paybtns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.srow{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:7px 0;border-bottom:1px solid var(--line)}
.srow.tot{font-size:15px;border-bottom:0}
@media (max-width:1000px){#cart,.co{grid-template-columns:1fr}}
@media (max-width:420px){.line{grid-template-columns:64px 1fr}.line img{width:64px;height:64px}.line .lt{grid-column:2}.addrow{flex-direction:column}.right{gap:10px}}
/* product photos */
.card .fig.ph{aspect-ratio:4/5;background:#ececec;margin-top:10px;overflow:hidden}
.card .fig.ph img{left:0;top:0;width:100%;height:100%;object-fit:cover}
.gal figure.main{aspect-ratio:4/5;background:#ececec;grid-column:1/-1}
.gal figure.main img{left:0;top:0;width:100%;height:100%;object-fit:cover}
.vary{padding:18px 0 28px;margin:0}
@media (max-width:700px){.gal figure.main{aspect-ratio:4/5}}
/* verify */
.vf-test{display:inline-block;margin-top:18px;border:1px dashed #fff;padding:6px 10px;color:#fff}
.vf-card{border:1px solid var(--line2);padding:clamp(20px,3.4vw,40px);min-height:180px;max-width:880px}
.vf-card.ok{border-color:#fff;border-width:2px}
.vf-card.bad{border:2px solid #fff;background:repeating-linear-gradient(135deg,transparent 0 14px,rgba(255,255,255,.05) 14px 28px)}
.vf-top{display:flex;gap:18px;align-items:center}
.vf-ic{flex:none;width:56px;height:56px;display:grid;place-items:center;font:900 30px/1 var(--heavy);border:2px solid #fff}
.vf-card.ok .vf-ic{background:#fff;color:#000}
.vf-h{margin-top:8px}
.vf-p{margin-top:20px;font:500 15px/1.6 var(--sans);max-width:62ch}
.vf-warn{display:block;border-left:3px solid #fff;padding:4px 0 4px 14px}
.vf-dl{margin:24px 0 0;border-top:1px solid var(--line)}
.vf-dl>div{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.vf-dl dt{color:var(--mute);font:500 11px/1.6 var(--mono);letter-spacing:.12em;text-transform:uppercase}
.vf-dl dd{margin:0;font:500 14px/1.5 var(--mono)}.vf-dl .zhn{display:block;font-family:var(--sans);font-size:13px}
.vf-row{display:flex;gap:10px;margin-top:8px}.vf-row input{flex:1;min-width:0;background:#000;color:#fff;border:1px solid var(--line2);padding:14px;font:500 15px var(--mono);text-transform:uppercase}
@media (max-width:560px){.vf-dl>div{grid-template-columns:1fr;gap:2px}.vf-row{flex-direction:column}.vf-ic{width:44px;height:44px;font-size:24px}}
/* hero film loop */
.hero.has-film{position:relative;isolation:isolate;overflow:hidden;background:#000}
.hero-film{position:absolute;inset:0;z-index:-1;background:#000;pointer-events:none}
.hero-film img,.hero-film video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.35) 40%,rgba(0,0,0,.8) 100%)}
@media (prefers-reduced-motion: reduce){.hero-film .hero-video{display:none}}
.hero-film .hero-video:not(.on){opacity:0}

.btn,.row button,.cols3 b,.doc h2,.price .amt{font-family:"Archivo V","Archivo Fallback W","Arial Black","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif}
button.chip{background:none;color:inherit;font:inherit;cursor:pointer}button.chip[aria-pressed=true]{border-color:currentColor;outline:1px solid currentColor}

/* ≈ reference prices (space reserved up front → no layout shift when filled) */
.ref{display:block;min-height:1.35em;font:400 12px/1.35 var(--mono,monospace);color:var(--mute);letter-spacing:.02em}
.price .ref{flex-basis:100%;margin-top:-4px}
.refrow{margin:2px 0 0;text-align:right}
.refbar{margin:10px 0 14px;color:var(--mute);min-height:3.6em}
.refbar label{display:inline-flex;gap:8px;align-items:center}
.refbar select{font:inherit;padding:2px 4px;background:transparent;color:inherit;border:1px solid currentColor}
.refbar p{margin:6px 0 0}
html:not(.fx-on) .refbar p{visibility:hidden}
html.fx-tw .refbar{visibility:hidden}

/* header sign-in / account link */
.acctlink{display:inline-flex;align-items:center;gap:6px;text-decoration:none;white-space:nowrap}.acctlink:hover .o,.acctlink:hover .i{text-decoration:underline}
.acctlink svg{flex:none}.acctlink.busy{opacity:.55;cursor:progress}.acctlink.busy svg{animation:acctp 1s ease-in-out infinite}@keyframes acctp{50%{opacity:.2}}.acctlink .i,.acctlink.in .o{display:none}.acctlink.in .i{display:inline}

/* /account private-key warning box (monochrome, high contrast) */
.warnbox{border:4px solid #fff;outline:1px solid #fff;outline-offset:3px;padding:16px 18px;margin:16px 0 20px;background:#000;color:#fff}
.warnbox .wh{display:flex;align-items:center;gap:10px;margin:0 0 8px;padding:6px 10px;background:#fff;color:#000;font:900 15px/1.2 var(--heavy,sans-serif);letter-spacing:.14em;text-transform:uppercase}
.warnbox p:last-child{margin:0;font-weight:600;line-height:1.55}

/* 1024 concept block */
.kb .kbeq{font:900 clamp(28px,6vw,64px)/1.05 var(--heavy,sans-serif);font-stretch:75%;letter-spacing:-.01em;margin:14px 0 18px}
.kb .kbeq sup{font-size:.5em;vertical-align:.9em;line-height:0}
.kb .kbterm{font:400 13px/1.7 var(--mono,monospace);border:1px solid var(--line,#333);padding:12px 14px;margin:0 0 14px;white-space:pre-wrap;overflow-wrap:anywhere}

.cvsbox{border:1px solid currentColor;padding:14px;margin:12px 0}.cvschains{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.cvschains .btn.sm,.cvsman .btn.sm{padding:8px 12px;font-size:12px}.cvssel{min-height:3.2em;margin:8px 0}.cvssel b{display:block}.cvsman{margin-top:8px}.cvsman summary{cursor:pointer}
form.cvsmode [data-twaddr]{display:none}
.mc .mceq{font-size:clamp(24px,5vw,52px)}.mcfig{margin:0 0 14px}.mcfig img{display:block;width:100%;height:auto;aspect-ratio:1800/793;background:#8f8f8f}.mcfig figcaption{margin-top:6px}.mcspec{display:grid;grid-template-columns:max-content 1fr;gap:10px 20px;margin:18px 0}.mcspec dd{margin:0}@media(max-width:600px){.mcspec{grid-template-columns:1fr}.mcspec dd{margin-bottom:8px}}
/* product gallery sides (front/back) — 2026-10-17 */
.gal figure.ph-side figcaption{color:#3d3f42;z-index:1}
.gal figure.ph-side .ph-vary{position:absolute;left:12px;bottom:10px;margin:0;color:#3d3f42;font-size:10px;letter-spacing:.08em;text-transform:none;z-index:1}
.gal figure.ph-side+figure.ph-side{border-top:0}

.card .fig .nb{position:absolute;left:10px;top:10px;z-index:1;background:#0B0B0C;color:#F2F2EE;font-size:10px;line-height:1;letter-spacing:.14em;text-transform:uppercase;padding:6px 8px}
.card .fig .nb [lang="zh-Hant"]{letter-spacing:.2em}