/* product pages (flux / cap / layout) — set --tr on <body> */
.p-hero{padding:clamp(32px,5vw,72px) 0 clamp(56px,7vw,96px)}
.p-hero .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,4vw,56px);align-items:center}
.p-hero h1{font-size:clamp(34px,4.2vw,62px);margin:14px 0 22px}
html[data-lang="zh"] .p-hero h1 .ln{white-space:nowrap}
.p-hero .lead{margin-bottom:30px}
.p-kicker{display:flex;align-items:center;gap:12px}
.p-visual .glass-in{aspect-ratio:16/11.5}
.p-visual canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab}
.p-visual canvas:active{cursor:grabbing}
.p-visual .glass-in>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.p-controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}
.seg{display:inline-flex;background:var(--chassis-lo);padding:3px;border-radius:var(--r-key);box-shadow:inset 0 1px 3px rgba(0,0,0,.22),0 1px 0 var(--lip)}
.seg button{border:0;background:transparent;cursor:pointer;padding:8px 12px;border-radius:5px;font:700 13px/1 var(--sans);font-stretch:88%;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--chassis-hi);box-shadow:0 1px 2px rgba(0,0,0,.4)}
.seg button[aria-pressed="true"]::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--tr);margin-right:7px;vertical-align:1px;box-shadow:0 0 6px var(--tr)}

/* before / after */
.ba{display:grid;grid-template-columns:minmax(0,1fr) 44px minmax(0,1.15fr);border-radius:var(--r-panel);overflow:hidden}
.ba-h{padding:14px 22px;font:700 13px/1 var(--sans);font-stretch:80%;color:var(--ink-3);background:var(--chassis-lo)}
.ba-h.now{background:var(--ink);color:var(--chassis-hi)}
.ba-h.mid{padding:0;background:var(--chassis-lo)}
.ba-h.now::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--tr);margin-right:8px;box-shadow:0 0 8px var(--tr)}
.ba>div.c{padding:20px 22px;border-top:1px solid var(--groove);font-size:16px;line-height:1.55}
.ba>div.was{background:var(--chassis-lo);color:var(--ink-2);text-decoration:line-through;text-decoration-color:#0005;text-decoration-thickness:1.5px}
.ba>div.arr{border-top:1px solid var(--groove);background:linear-gradient(90deg,var(--chassis-lo) 50%,var(--chassis-hi) 50%);display:grid;place-items:center}
.ba>div.arr::after{content:"";width:12px;height:12px;border-top:2px solid var(--ink);border-right:2px solid var(--ink);transform:rotate(45deg) translate(-2px,2px)}
.ba>div.is{background:var(--chassis-hi);font-weight:600}

/* steps — a real sequence */
.steps{display:grid;gap:clamp(40px,5vw,72px)}
.step{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(24px,4vw,56px);align-items:center}
.step:nth-child(even){grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
.step:nth-child(even) .step-shot{order:2}
.step-shot .glass-in{aspect-ratio:16/9}
.step-shot img{width:100%;height:100%;object-fit:cover;object-position:top left}
.step-n{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--tr);color:var(--ink);font:850 17px/1 var(--sans);box-shadow:0 0 0 3px var(--ink);margin-bottom:16px}
.step h3{margin-bottom:12px}
.step p{color:var(--ink-2)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding:0;list-style:none}
.chips li{padding:6px 10px;border-radius:5px;background:var(--chassis-hi);box-shadow:0 1px 0 var(--groove);font:650 13px/1.2 var(--sans);font-stretch:90%}

/* result blocks */
.result{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,4vw,56px);align-items:start;padding:clamp(32px,4vw,52px) 0;border-top:1px solid var(--groove)}
.result:first-of-type{border-top:0;padding-top:0}
.result .glass-in{background:#fff}
.glass-in.paper,.result .glass-in:not(.dark),.case .glass-in:not(.dark){box-shadow:inset 0 0 0 1px #000}
.result .glass-in:not(.dark)::after,.case .glass-in:not(.dark)::after{display:none}
.result .glass-in.dark{background:var(--glass)}
.result .shot-btn .glass-in{aspect-ratio:auto}
.result .shot-btn img{height:auto;object-fit:contain}
.result h3{margin:6px 0 14px}
.result p{color:var(--ink-2)}
.result .meters{margin:22px 0}

/* tabs for cases */
.cases-tabs{margin-bottom:22px}
.case{display:none}
.case.on{display:block}
.case .shots{grid-template-columns:repeat(4,minmax(0,1fr))}
.case .shot-btn .glass-in{background:#fff;aspect-ratio:1/1}
.case .shot-btn .glass-in.dark{background:var(--glass)}
.case .shot-btn img{object-fit:contain;object-position:center}
.case-note{margin-top:16px;color:var(--ink-2);max-width:52em}

/* other tools */
.others{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.other{--tr:var(--k);display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:center;padding:22px 24px;text-decoration:none;border-radius:var(--r-panel);background:var(--chassis-hi);box-shadow:0 3px 0 var(--groove),inset 0 1px 0 #fff9;transition:transform .08s}
.other:hover{background:#e3e4de}
.other:active{transform:translateY(2px)}
.other .tag{grid-row:span 2}
.other b{font:850 22px/1.1 var(--sans);font-stretch:115%}
.other span{color:var(--ink-2);font-size:15px}

@media (max-width:980px){
  .p-hero .wrap{grid-template-columns:1fr}
  .step,.step:nth-child(even){grid-template-columns:1fr}
  .step:nth-child(even) .step-shot{order:0}
  .result{grid-template-columns:1fr}
  .case .shots{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .p-hero h1 .ln{white-space:normal}
  .ba{grid-template-columns:1fr}
  .ba-h.mid,.ba>div.arr{display:none}
  .ba>div.was{border-top:1px solid var(--groove);padding-bottom:8px}
  .ba>div.is{border-top:0;padding-top:8px;background:var(--chassis-lo)}
  .ba-h.now{display:none}
  .others{grid-template-columns:1fr}
  .case .shots{grid-template-columns:1fr 1fr;gap:10px}
}

/* data table */
.dtable-wrap{overflow-x:auto;border-radius:var(--r-key);border:1px solid var(--groove);background:var(--chassis-hi)}
.dtable{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:15px}
.dtable th{font:700 12.5px/1.3 var(--sans);font-stretch:82%;color:var(--ink-3);text-align:right;padding:12px 16px;border-bottom:1px solid var(--groove);background:var(--chassis-lo);white-space:nowrap}
.dtable td{text-align:right;padding:10px 16px;border-bottom:1px solid #0000000f;font-weight:600}
.dtable th:first-child,.dtable td:first-child{text-align:left}
.dtable tr:last-child td{border-bottom:0}
.dtable tbody tr{cursor:pointer}
.dtable tbody tr:hover{background:#e6e7e1}
.dtable tbody tr[aria-selected="true"]{background:var(--ink);color:var(--chassis-hi)}
.dtable tbody tr[aria-selected="true"] td:first-child::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--tr);margin-right:8px;box-shadow:0 0 6px var(--tr)}
/* scope with side readout (cap hero) */
.scope{display:grid;grid-template-columns:minmax(0,1fr) 168px;gap:16px;align-items:start}
.scope-side{display:grid;align-content:space-between;gap:14px;padding:4px 0}
.scope-side .knob{width:96px;height:96px}
.rd{display:grid;gap:1px;background:var(--groove);border:1px solid var(--groove);border-radius:var(--r-key);overflow:hidden}
.rd div{background:var(--chassis-hi);padding:8px 10px}
.rd b{display:block;font:800 18px/1.1 var(--sans);font-stretch:94%;font-variant-numeric:tabular-nums}
.rd span{font:600 11.5px/1.2 var(--sans);font-stretch:82%;color:var(--ink-3)}
@media (max-width:640px){.scope{grid-template-columns:1fr}.scope-side{grid-template-columns:auto 1fr;align-items:center}.rd{grid-template-columns:1fr 1fr}}

.install-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,4vw,48px);align-items:start}
.install-grid .term{min-height:0}
@media (max-width:900px){.install-grid{grid-template-columns:1fr}}