:root{
  /* the logo's three colours: linen #DDCDBF, slate #5A606B, terracotta #B4795A */
  --linen:#DDCDBF; --ground:#EFE7DE; --paper:#F8F4EF; --rule:#D3C4B6;
  --slate:#5A606B; --slate-deep:#4C525C; --char:#3F454F;
  --mist:#D6D8DC; --clay:#D4B29C; --terra:#94573A;
  --on-slate:#F1E9E0; --on-slate-2:rgba(241,233,224,.8);
  --ink:#3F454F; --muted:#5B616B; --faint:#857B71;
  --accent:#B4795A; --accent-ink:#94573A;
  --disp:'Jost','Noto Sans SC',-apple-system,'Helvetica Neue',Arial,sans-serif;
  --sans:'Instrument Sans','Noto Sans SC',-apple-system,'Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:16px;
     line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.zh{font-family:'Noto Sans SC',var(--sans)}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.wrap{width:100%;max-width:1200px;margin-inline:auto;padding-inline:28px}
.disp{font-family:var(--disp);font-weight:300;letter-spacing:-.022em;text-wrap:balance;white-space:pre-line}
body.zh .disp{font-family:'Noto Sans SC',var(--sans);font-weight:300;letter-spacing:.01em;text-wrap:wrap}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.label{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.08em;
       text-transform:uppercase;color:var(--accent-ink)}
body.zh .label{font-family:'Noto Sans SC',var(--sans);letter-spacing:.06em}
.lede{font-size:17px;line-height:1.68;color:var(--muted);max-width:60ch}
.more{display:inline-flex;align-items:center;gap:10px;margin-top:28px;font-weight:600;font-size:14.5px;color:var(--accent-ink)}
.more::after{content:"";width:28px;height:1px;background:currentColor;transition:width .2s}
.more:hover::after{width:40px}

/* dimension lines — the one motif */
.dim{display:flex;align-items:center;gap:10px;height:13px;border-inline:1px solid currentColor;
     color:var(--accent);font-family:var(--mono);font-size:11.5px;font-weight:500;font-variant-numeric:tabular-nums}
.dim::before,.dim::after{content:"";flex:1;height:1px;background:currentColor}
.dim span{color:var(--accent-ink);white-space:nowrap}
.vdim{position:absolute;top:0;bottom:0;left:calc(100% + 18px);width:13px;
      border-block:1px solid var(--accent);display:flex;justify-content:center}
.vdim::before{content:"";width:1px;background:var(--accent)}
.vdim span{position:absolute;top:50%;left:22px;transform:translateY(-50%);
           font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--accent-ink);white-space:nowrap}

/* nav */
header.nav{position:sticky;top:0;z-index:40;background:var(--linen)}
.navin{display:flex;align-items:center;gap:22px;height:66px}
.navlogo{height:22px;width:auto;flex-shrink:0}
.navlinks{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--muted)}
.navlinks a{color:inherit;padding:4px 0;border-bottom:1px solid transparent}
.navlinks a:hover{color:var(--ink)}
.navlinks a[aria-current]{color:var(--ink);border-bottom-color:var(--accent)}
.navlinks .m-only{display:none}
.lang{display:flex;border:1px solid var(--rule);border-radius:999px;overflow:hidden;flex-shrink:0}
.lang button{appearance:none;border:0;background:transparent;font:inherit;font-size:12px;font-weight:600;
             color:var(--muted);padding:6px 12px;cursor:pointer;line-height:1.2}
.lang button[aria-pressed="true"]{background:var(--slate);color:var(--on-slate)}
.menu{display:none;appearance:none;border:0;background:transparent;width:40px;height:40px;cursor:pointer;
      padding:0;align-items:center;justify-content:center}
.menu i{display:block;width:20px;height:1.5px;background:var(--ink);position:relative}
.menu i::before,.menu i::after{content:"";position:absolute;left:0;width:20px;height:1.5px;background:var(--ink)}
.menu i::before{top:-6px}.menu i::after{top:6px}
.ruler{height:10px;background:
    repeating-linear-gradient(90deg,var(--slate) 0 1px,transparent 1px 50px) bottom/100% 10px no-repeat,
    repeating-linear-gradient(90deg,rgba(90,96,107,.45) 0 1px,transparent 1px 10px) bottom/100% 5px no-repeat;
    background-color:var(--linen)}

.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;
     border-radius:2px;background:var(--accent);color:#fff;font-family:inherit;font-size:14.5px;
     font-weight:600;letter-spacing:.01em;border:0;cursor:pointer}
.btn:hover{background:var(--accent-ink);color:#fff}
.btn.line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(63,69,79,.5)}
.btn.line:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.dark .btn.line{color:var(--on-slate);box-shadow:inset 0 0 0 1px rgba(241,233,224,.55)}
.dark .btn.line:hover{box-shadow:inset 0 0 0 1px var(--on-slate);color:#fff}
.btn.sm{height:38px;padding:0 16px;font-size:13.5px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}

/* page heroes — each page has its own ground */
.ph{padding-block:84px 96px}
.ph .grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:64px;align-items:center}
.ph .grid>*{min-width:0}
.ph h1{margin:22px 0 0;font-size:clamp(40px,6.4vw,88px);line-height:1.02}
body.zh .ph h1{font-size:clamp(30px,5.2vw,68px);line-height:1.2}
.ph .lede{margin-top:28px}
.bg-linen{background:var(--linen)} .bg-paper{background:var(--paper)} .bg-mist{background:var(--mist)}
.bg-slate{background:var(--slate)} .bg-clay{background:var(--clay)} .bg-terra{background:var(--terra)}
.bg-char{background:var(--char)}
.bg-linen .lede,.bg-clay .lede,.bg-mist .lede{color:var(--ink)}
.bg-clay .label{color:var(--ink)}
.dark{color:var(--on-slate)}
.dark .label{color:var(--on-slate-2)}
.dark .lede{color:var(--on-slate-2)}
.bg-terra .btn{background:var(--linen);color:var(--terra)}
.bg-terra .btn:hover{background:#fff}
.finder{position:relative;justify-self:end;width:100%;max-width:440px}
.finder img{width:100%;aspect-ratio:1;object-fit:cover}
.finder.tall img{aspect-ratio:4/5}
.finder i{position:absolute;width:26px;height:26px;border-color:var(--accent);border-style:solid;border-width:0}
.finder .tl{top:-12px;left:-12px;border-top-width:2px;border-left-width:2px}
.finder .tr{top:-12px;right:-12px;border-top-width:2px;border-right-width:2px}
.finder .bl{bottom:-12px;left:-12px;border-bottom-width:2px;border-left-width:2px}
.finder .br{bottom:-12px;right:-12px;border-bottom-width:2px;border-right-width:2px}
.figcap{margin-top:18px;font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--faint)}
body.zh .figcap{font-family:'Noto Sans SC',var(--sans);letter-spacing:.04em}

/* sections */
section{padding-block:96px;--bgc:var(--ground);background:var(--bgc)}
section.paper{--bgc:var(--paper)}
.sgrid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:64px;align-items:start}
.sgrid.mid{align-items:center}
.sgrid.flip{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.sgrid>*{min-width:0}
h2.h2{margin:18px 0 0;font-size:clamp(30px,4vw,50px);line-height:1.08;color:var(--ink)}
body.zh h2.h2{font-size:clamp(28px,3.4vw,44px);line-height:1.28}
body.zh .sgrid h2.h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3}
.shead{max-width:760px}
.shead .lede{margin-top:20px}
.body{margin-top:22px}
.body p{margin:0 0 14px;font-size:16px;line-height:1.7;color:var(--muted);max-width:60ch}

/* 132 vs 148 */
.compare{background:var(--paper);border:1px solid var(--rule);padding:34px 34px 30px}
.compare .row{display:flex;flex-direction:column;gap:10px}
.compare .row+.row{margin-top:30px}
.compare svg{display:block;height:auto}
.compare .tag{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.chip2d{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.06em;border:1px solid var(--slate);color:var(--slate);padding:3px 8px}
.compare .cap{margin-top:26px;padding-top:18px;border-top:1px solid var(--rule);font-size:14px;color:var(--muted)}

/* fidelity ladder */
.axisends{display:flex;justify-content:space-between;margin-top:56px;margin-bottom:12px}
.axisends span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--faint);text-transform:uppercase}
body.zh .axisends span{font-family:'Noto Sans SC',var(--sans);letter-spacing:.04em}
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--slate);position:relative}
.ladder::after{content:"";position:absolute;right:-1px;top:-5px;border-left:9px solid var(--slate);border-top:5px solid transparent;border-bottom:5px solid transparent}
.rung{position:relative;padding:30px 28px 0 0;min-width:0}
.rung::before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px var(--bgc,var(--paper))}
.ph .rung::before{box-shadow:0 0 0 4px var(--paper)}
.rung .label{display:block;margin-bottom:10px}
.rung h3{margin:0;font-family:var(--disp);font-weight:400;font-size:23px;line-height:1.2;letter-spacing:-.01em}
body.zh .rung h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:20px;letter-spacing:0}
.rung p{margin:10px 0 0;font-size:14.5px;line-height:1.62;color:var(--muted)}

/* mode table */
.mtable{margin-top:48px;border-top:1px solid var(--slate)}
.mrow{display:grid;grid-template-columns:60px minmax(0,1.3fr) minmax(0,1.1fr) minmax(0,2fr) minmax(0,1fr);gap:24px;padding:26px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.mrow.h{padding:14px 0}
.mrow.h span{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--faint)}
body.zh .mrow.h span{font-family:'Noto Sans SC',var(--sans);letter-spacing:.04em}
.mrow .n{font-family:var(--mono);font-size:13px;color:var(--accent-ink)}
.mrow h3{margin:0;font-family:var(--disp);font-weight:400;font-size:22px;line-height:1.25}
body.zh .mrow h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:18px}
.mrow p{margin:0;font-size:14.5px;line-height:1.6;color:var(--muted)}
.mrow .v{font-family:var(--mono);font-size:12.5px;color:var(--ink);line-height:1.6}
body.zh .mrow .v{font-family:'Noto Sans SC',var(--sans);font-size:13.5px}

/* capture guide */
.guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.guide figure{margin:0}
.guide img{width:100%;aspect-ratio:4/5;object-fit:cover;background:#fff}
.guide .dim{margin-top:14px}
.rules{margin-top:36px;border-top:1px solid var(--rule)}
.rules div{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--rule);font-size:15px;color:var(--muted)}
.rules b{font-family:var(--mono);font-weight:500;font-size:12px;color:var(--accent-ink);padding-top:3px}

/* test chart */
.chart{margin-top:52px;background:var(--paper);border:1px solid var(--rule)}
.chartgrid{display:grid;grid-template-columns:150px repeat(3,minmax(0,1fr))}
.chartgrid>*{min-width:0}
.ch{padding:14px 18px;border-bottom:1px solid var(--rule);font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--faint)}
body.zh .ch{font-family:'Noto Sans SC',var(--sans);letter-spacing:.04em}
.ch.c{text-align:center}
.rl{padding:18px;border-right:1px solid var(--rule);display:flex;align-items:flex-end}
.rl span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);line-height:1.5}
body.zh .rl span{font-family:'Noto Sans SC',var(--sans);letter-spacing:.03em}
.cell{padding:14px}
.cell img{width:100%;aspect-ratio:4/5;object-fit:cover}
.r2 .rl,.r2 .cell{border-top:1px solid var(--rule)}
.chartnote{margin:0;padding:18px 20px;border-top:1px solid var(--rule);font-size:14px;color:var(--muted)}

/* frames */
.specs{display:flex;flex-direction:column;margin-top:40px;border-top:1px solid var(--rule)}
.spec{display:grid;grid-template-columns:156px 1fr;gap:18px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--rule)}
.spec b{font-family:var(--disp);font-weight:300;font-size:32px;line-height:1;color:var(--accent-ink);letter-spacing:-.02em;white-space:nowrap}
body.zh .spec b{font-family:'Noto Sans SC',var(--sans);font-size:26px}
.spec span{font-size:14.5px;color:var(--muted);line-height:1.5}
.drawing{background:#fff;border:1px solid var(--rule);padding:44px 116px 34px 40px}
.drawimg{position:relative}
.drawimg img{width:100%}
.drawing .dim{margin-top:18px}
.drawcap{margin-top:26px;font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--faint)}
body.zh .drawcap{font-family:'Noto Sans SC',var(--sans);letter-spacing:.04em}
.views{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.view{background:#fff;border:1px solid var(--rule);padding:26px 22px 18px;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.card-w{background:#fff;border:1px solid var(--rule);padding:30px 30px 22px}
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:52px;border-top:1px solid var(--slate)}
.step{padding:24px 22px 0 0;min-width:0}
.step .n{font-family:var(--mono);font-size:12px;color:var(--accent-ink)}
.step h3{margin:10px 0 0;font-family:var(--disp);font-weight:400;font-size:22px}
body.zh .step h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:19px}
.step p{margin:8px 0 0;font-size:14.5px;line-height:1.6;color:var(--muted)}
.prods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:52px}
.prod{background:#fff;border:1px solid var(--rule);padding:22px;display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-height:220px}
.prod img{width:100%;height:150px;object-fit:contain}
.tree{background:var(--char);color:var(--on-slate);font-family:var(--mono);font-size:13px;line-height:1.9;padding:26px 28px;overflow-x:auto;white-space:pre}
.tree em{font-style:normal;color:#D9A98C}
.tree u{text-decoration:none;color:rgba(241,233,224,.55)}
.facts4{margin-top:32px;border-top:1px solid var(--rule)}
.facts4 div{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.facts4 b{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--accent-ink)}
body.zh .facts4 b{font-family:'Noto Sans SC',var(--sans);font-size:14px}
.facts4 span{font-size:15px;color:var(--muted);line-height:1.6}

/* app */
.phone{width:300px;max-width:100%;border-radius:46px;background:#23262B;padding:11px;justify-self:center;
       box-shadow:0 30px 60px rgba(30,32,36,.35),inset 0 0 0 1px rgba(255,255,255,.08)}
.screen{border-radius:36px;background:var(--paper);overflow:hidden;color:var(--ink)}
.sbar{display:flex;justify-content:space-between;padding:12px 24px 4px;font-size:12px;font-weight:600}
.island{width:88px;height:24px;border-radius:14px;background:#23262B;margin:-2px auto 6px}
.shead2{display:flex;align-items:center;gap:10px;padding:4px 18px 12px}
.ava{width:30px;height:30px;border-radius:999px;background:var(--linen);color:var(--accent-ink);display:grid;place-items:center;font-size:13px;font-weight:700}
.shead2 b{font-size:15px}
.pcap{position:relative;margin:0 18px;border-radius:14px;overflow:hidden}
.pcap img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:50% 20%}
.pcap .chip{position:absolute;left:10px;bottom:10px;background:rgba(35,38,43,.78);color:#fff;font-size:10.5px;padding:5px 9px;border-radius:999px}
.vals{margin:12px 18px 0}
.vals div{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--rule);font-size:12.5px}
.vals span{color:var(--muted)}
.vals b{font-family:var(--mono);font-weight:500;font-size:12.5px}
.qr{display:flex;gap:12px;align-items:center;margin:14px 18px 20px;padding:12px;background:#fff;border-radius:14px;border:1px solid var(--rule)}
.qr svg{width:74px;height:74px;flex-shrink:0}
.qr p{margin:0;font-size:11.5px;line-height:1.45;color:var(--muted)}
.qr p b{display:block;color:var(--ink);font-size:12.5px;margin-bottom:3px}
.five{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:52px}
.five div{background:var(--paper);padding:28px 22px 26px;min-width:0}
.five b{display:block;font-family:var(--disp);font-weight:300;font-size:38px;line-height:1;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.five b small{font-family:var(--mono);font-size:12px;letter-spacing:0;color:var(--accent-ink);margin-left:4px}
.five h3{margin:18px 0 0;font-size:15px;font-weight:600}
.five p{margin:4px 0 0;font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:var(--faint);text-transform:uppercase}
body.zh .five p{font-family:'Noto Sans SC',var(--sans);letter-spacing:.02em}
.note{margin-top:14px;font-size:13px;color:var(--faint)}
.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:52px}
.how div{border-top:1px solid var(--slate);padding-top:22px}
.how .n{font-family:var(--mono);font-size:12px;color:var(--accent-ink)}
.how h3{margin:10px 0 0;font-family:var(--disp);font-weight:400;font-size:24px}
body.zh .how h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:20px}
.how p{margin:10px 0 0;font-size:15px;line-height:1.64;color:var(--muted)}

/* lists with ticks */
.sticky{position:sticky;top:110px}
.items{border-top:1px solid var(--slate)}
.item{display:grid;grid-template-columns:28px 1fr;gap:16px;padding:28px 0;border-bottom:1px solid var(--rule)}
.tick{width:16px;height:13px;margin-top:9px;border-left:1px solid var(--accent);border-right:1px solid var(--accent);position:relative}
.tick::before{content:"";position:absolute;left:0;right:0;top:6px;height:1px;background:var(--accent)}
.item h3{margin:0;font-family:var(--disp);font-weight:400;font-size:24px;line-height:1.2;letter-spacing:-.01em}
body.zh .item h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:20px;letter-spacing:0}
.item p{margin:8px 0 0;font-size:15px;line-height:1.64;color:var(--muted);max-width:58ch}

/* channels */
.chans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:52px}
.chan{background:var(--paper);padding:34px 30px 36px;display:flex;flex-direction:column;gap:14px}
.chan h3{margin:10px 0 0;font-size:18px;font-weight:600}
.chan p{margin:0;font-size:14.5px;line-height:1.62;color:var(--muted)}
section.paper .chan{background:var(--ground)}

/* solutions diagrams */
.wall{background:#fff;border:1px solid var(--rule);padding:28px}
.wall svg{width:100%;height:auto;display:block}
.browser{background:#fff;border:1px solid var(--rule)}
.bbar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--rule)}
.bbar i{width:8px;height:8px;border-radius:999px;background:var(--rule)}
.bbar span{margin-left:12px;font-family:var(--mono);font-size:11px;color:var(--faint)}
.bgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:18px}
.bcard{border:1px solid var(--rule);padding:16px 12px 12px;display:flex;flex-direction:column;gap:10px;min-width:0}
.bcard.off{opacity:.45}
.bcard svg{width:100%;height:auto}
.bcard b{font-size:12.5px;font-weight:600}
.pill{align-self:flex-start;font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--linen);color:var(--accent-ink)}
.pill.no{background:#E8E6E3;color:var(--muted)}
.bfoot{display:flex;gap:10px;padding:0 18px 18px}
.bfoot span{flex:1;height:34px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;border:1px solid var(--rule)}
.bfoot span.p{background:var(--accent);border-color:var(--accent);color:#fff}
.sun{background:#fff;border:1px solid var(--rule);padding:26px}
.sun img{width:100%;max-height:220px;object-fit:contain}

/* about */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:52px}
.fact{border-top:1px solid var(--slate);padding-top:20px}
.fact b{display:block;font-family:var(--disp);font-weight:300;font-size:40px;line-height:1;letter-spacing:-.02em;color:var(--ink)}
body.zh .fact b{font-family:'Noto Sans SC',var(--sans);font-size:32px}
.fact p{margin:14px 0 0;font-size:14.5px;line-height:1.62;color:var(--muted)}
.build{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:52px}
.build a{background:var(--paper);padding:30px 26px 32px;color:var(--ink);display:flex;flex-direction:column;gap:10px}
.build a:hover{background:#fff}
.build .n{font-family:var(--mono);font-size:12px;color:var(--accent-ink)}
.build h3{margin:0;font-family:var(--disp);font-weight:400;font-size:22px}
body.zh .build h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:19px}
.build p{margin:0;font-size:14.5px;line-height:1.6;color:var(--muted)}

/* contact */
.mail{display:inline-block;margin-top:40px;font-family:var(--disp);font-weight:300;font-size:clamp(28px,4.4vw,56px);
      letter-spacing:-.02em;color:var(--on-slate);border-bottom:2px solid var(--accent);padding-bottom:6px;line-height:1.1}
.mail:hover{color:#fff;border-bottom-color:#fff}
.where{margin-top:18px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--on-slate-2)}
body.zh .where{font-family:'Noto Sans SC',var(--sans)}
form.enq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.fld{display:flex;flex-direction:column;gap:8px;min-width:0}
.fld.full{grid-column:1/-1}
.fld label,.fld legend{font-size:13px;font-weight:600;color:var(--ink);padding:0}
.fld input,.fld select,.fld textarea{font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--rule);
      border-radius:2px;padding:12px 14px;width:100%}
.fld textarea{min-height:140px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
fieldset.fld{border:0;margin:0;padding:0}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.checks label{display:flex;align-items:center;gap:8px;font-weight:500;font-size:14px;border:1px solid var(--rule);background:#fff;padding:9px 14px;cursor:pointer}
.checks input{accent-color:var(--accent);width:auto;margin:0}
.formnote{font-size:13px;color:var(--faint);margin:0;align-self:center}

/* closing band + footer */
.band{background:var(--char);color:var(--on-slate);padding-block:88px 96px}
.band .label{color:var(--on-slate-2)}
.band h2{margin:18px 0 0;font-size:clamp(32px,4.6vw,58px);line-height:1.06;color:var(--on-slate)}
body.zh .band h2{font-size:clamp(28px,3.6vw,46px);line-height:1.3}
.band .row{display:flex;flex-wrap:wrap;gap:28px 48px;align-items:flex-end;justify-content:space-between}
.band .mail{margin-top:0;font-size:clamp(24px,3vw,36px)}
footer{background:var(--linen);padding-block:48px 44px}
.foot{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,2fr);gap:40px}
.footlogo{height:40px;width:auto}
.fmap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 24px;font-size:14px}
.fmap a{color:var(--ink)}
.fmap a:hover{color:var(--accent-ink)}
.fbase{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;margin-top:36px;padding-top:20px;border-top:1px solid rgba(63,69,79,.2);font-size:13px;color:var(--muted)}

@media (max-width:980px){
  .ph .grid,.sgrid,.sgrid.flip{grid-template-columns:minmax(0,1fr);gap:48px}
  .finder{justify-self:start;max-width:380px;width:calc(100% - 24px);margin-left:12px}
  .ladder{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .five{grid-template-columns:repeat(2,minmax(0,1fr))}
  .build{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mrow{grid-template-columns:40px minmax(0,1fr) minmax(0,1fr);row-gap:8px}
  .mrow.h{display:none}
  .mrow .o{grid-column:2/-1}
  .mrow .vw{grid-column:2/-1}
  .sticky{position:static}
  .menu{display:inline-flex}
  .navlinks{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;
            background:var(--linen);border-top:1px solid var(--rule);padding:8px 28px 18px;margin:0;font-size:16px;
            box-shadow:0 18px 30px rgba(63,69,79,.12)}
  .navlinks a{padding:12px 0;border-bottom:1px solid var(--rule)}
  .navlinks a[aria-current]{border-bottom-color:var(--rule);color:var(--accent-ink)}
  header.nav.open .navlinks{display:flex}
  .navlinks .m-only{display:block}
  .navin{position:static}
  header.nav{position:sticky}
  .lang{margin-left:auto}
  .facts{grid-template-columns:minmax(0,1fr)}
  .foot{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .wrap{padding-inline:18px}
  section{padding-block:68px}
  .ph{padding-block:56px 64px}
  .band{padding-block:64px 72px}
  .ladder,.steps,.how,.prods,.build,.views,.chans{grid-template-columns:minmax(0,1fr)}
  .five div{padding:22px 16px}.five b{font-size:30px}
  .guide{gap:10px}
  .how{gap:28px}
  .rung{padding-right:0}
  .chartgrid{grid-template-columns:78px repeat(3,minmax(0,1fr))}
  .cell{padding:6px}
  .rl{padding:10px 8px}
  .ch{padding:10px 6px;font-size:9.5px}
  .drawing{padding:28px 84px 24px 16px}.vdim{left:calc(100% + 12px)}.vdim span{left:18px;font-size:10px}
  .compare{padding:24px 20px}
  .spec{grid-template-columns:118px 1fr}.spec b{font-size:26px}
  .facts4 div{grid-template-columns:minmax(0,1fr);gap:4px}
  body.zh h2.h2,body.zh .sgrid h2.h2{font-size:26px}
  .navin{height:60px;gap:12px}
  .nav-cta{display:none}
  form.enq{grid-template-columns:minmax(0,1fr)}
  .fmap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bgrid .bcard:nth-child(3){display:none}
  .tree{font-size:11.5px;padding:20px}
}
html{scroll-behavior:smooth}
main>section,#top{scroll-margin-top:76px}
.sec-mist{--bgc:var(--mist)} .sec-slate{--bgc:var(--slate)} .sec-clay{--bgc:var(--clay)} .sec-terra{--bgc:var(--terra)}
.dark h2.h2{color:var(--on-slate)}
.dark .items{border-top-color:rgba(241,233,224,.55)}
.dark .item{border-bottom-color:rgba(241,233,224,.2)}
.dark .item h3{color:var(--on-slate)}
.dark .item p{color:var(--on-slate-2)}
.dark .tick{border-color:#D9A98C}.dark .tick::before{background:#D9A98C}
.dark .fact{border-top-color:rgba(241,233,224,.35)}
.dark .fact b{color:var(--on-slate)}
.dark .fact p{color:var(--on-slate-2)}
.sec-terra .finder i,.sec-slate .finder i{border-color:var(--linen)}
.why-photo{margin:48px auto 0 12px;max-width:300px;width:calc(100% - 24px);justify-self:start}
.sec-clay .shead .label,.sec-clay .shead .lede{color:var(--ink)}
.sols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:48px}
.sol{background:var(--paper);padding:20px 20px 28px;display:flex;flex-direction:column;gap:10px;min-width:0}
.sol h3{margin:2px 0 0;font-family:var(--disp);font-weight:400;font-size:21px;line-height:1.25;color:var(--ink)}
body.zh .sol h3{font-family:'Noto Sans SC',var(--sans);font-weight:500;font-size:18px}
.sol p{margin:0;font-size:14.5px;line-height:1.6;color:var(--muted)}
.solvis{height:220px;margin-bottom:12px;background:#fff;border:1px solid var(--rule);overflow:hidden;display:flex;flex-direction:column;justify-content:center}
.solvis.wall{padding:14px}
.solvis.photo img{width:100%;height:100%;object-fit:cover;object-position:50% 28%}
.solvis.browser{justify-content:flex-start}
.solvis .bgrid{padding:14px 12px;gap:8px}
.solvis .bcard{padding:12px 8px 10px;gap:8px}
.solvis .bfoot{padding:0 12px 12px;gap:8px}
.solvis .bfoot span{height:30px;font-size:11.5px}
#about .facts{grid-template-columns:minmax(0,1fr);gap:0;margin-top:34px}
#about .fact{display:grid;grid-template-columns:190px 1fr;gap:18px;padding:16px 0 18px;align-items:baseline}
#about .fact b{font-size:30px;white-space:nowrap}
body.zh #about .fact b{font-size:26px}
#about .fact p{margin:0}
.band .lede{color:var(--on-slate-2);max-width:56ch}
.band .row{align-items:flex-end}
@media (max-width:980px){
  .sols{grid-template-columns:minmax(0,1fr);max-width:560px}
  .why-photo{max-width:280px}
}
@media (max-width:640px){
  #about .fact{grid-template-columns:minmax(0,1fr);gap:6px}
  .solvis .bgrid .bcard:nth-child(3){display:none}
  .ladder{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px;row-gap:28px}
  .rung{padding:26px 0 0}
  .rung h3{font-size:19px}
  body.zh .rung h3{font-size:17px}
  .rung p{font-size:13.5px}
}

/* Document Changes v1: preserve supplied pixels and crop only in the layout. */
.guide .capture-photo{position:relative;overflow:hidden;aspect-ratio:151/182;border-radius:48% 48% 8px 8px;background:#aaa}
.guide .capture-photo img{position:absolute;max-width:none;aspect-ratio:auto;height:auto;object-fit:initial}
.guide .capture-left img,.guide .capture-right img{width:338.411%;top:-26.923%}
.guide .capture-left img{left:-15.232%}
.guide .capture-right img{left:-227.815%}
.guide .capture-front img{width:180%;left:54%;top:-24.89%;transform:translateX(-50%)}
.measurement-photo{max-width:260px;margin-inline:auto}
.measurement-photo img{display:block;width:100%;height:auto}