/* ==========================================================================
   MAXDECAL 3600 Reflective — reflective vinyl for cutting · product feature page
   frontend/public/www/3600-reflective/  (index.html en · zh.html · es.html share app.js)
   Livery language: paper body + carbon blocks + red diagonals; vivid colour = the film itself.
   Two backgrounds only (carbon #0B0B0D / paper #F4F2EE) plus white. Radius 0 everywhere.
   ========================================================================== */
:root{
  --red:#E32027; --red-t:#F5343C; --red-ink:#B8151C;
  --carbon:#0B0B0D; --ink:#141416; --ink2:#1E1E22;
  --paper:#F4F2EE; --paper2:#FAFAF8; --hair:#E2DFD9; --hair-d:#2A2A30;
  --tx:#141416; --tx2:#4E4B46; --mut:#6A665F; --mut-d:#A9A6A0;
  --blue:#2F6BFF; --violet:#8A3FFF; --gold:#E0A21B; --candy:#C8102E; --pearl:#F2EFF4; --chrome:#C9CCD2;
  --disp:'Saira Condensed','Arial Narrow',sans-serif;
  --body:'Saira',system-ui,sans-serif;
  --mono:'Chakra Petch',ui-monospace,monospace;
  --pad:clamp(18px,4vw,64px);
  --maxw:1480px;
  --ease:cubic-bezier(.22,1,.36,1);
  --nav:var(--mxsn-h,56px);
}
html[lang^="zh"]{--disp:'Saira Condensed','Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;--body:'Noto Sans TC','Saira',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--paper);color:var(--tx);font-family:var(--body);font-size:16px;line-height:1.65;overflow-x:clip;font-synthesis:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
b,strong{font-weight:700}
.disp{font-family:var(--disp);font-weight:800;font-style:italic;text-transform:uppercase;letter-spacing:-.01em;line-height:.92}
html[lang^="zh"] .disp{font-style:normal;letter-spacing:.01em;line-height:1.14;font-weight:900}
.mono{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase}
.in{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}

/* page-owned section nav (hidden; sitenav adopts .nav-sec links) */
.hdr{display:none}
.prog{position:fixed;left:0;right:0;top:0;height:3px;z-index:9100;background:transparent;pointer-events:none}
.prog i{display:block;height:100%;width:0;background:var(--red);transition:width .12s linear}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .9s var(--ease)}
.rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- chapter heads (色帶級,一眼看到重點) ---------- */
.chap{display:grid;grid-template-columns:auto 1fr;gap:0 clamp(16px,2.4vw,34px);align-items:end;margin-bottom:clamp(26px,3.6vw,48px);position:relative}
.chap .no{font-family:var(--disp);font-weight:800;font-style:italic;font-size:clamp(64px,9vw,150px);line-height:.8;color:var(--red);letter-spacing:-.02em}
.chap .no small{display:block;font:500 11.5px/1 var(--mono);letter-spacing:.22em;color:var(--mut);margin-bottom:10px;font-style:normal}
.chap h2{font-family:var(--disp);font-weight:800;font-style:italic;text-transform:uppercase;font-size:clamp(36px,5.4vw,84px);line-height:.92;letter-spacing:-.01em}
html[lang^="zh"] .chap h2{font-style:normal;font-weight:900;line-height:1.14;letter-spacing:.01em}
.chap h2 em{font-style:inherit;color:var(--red)}
.chap p{grid-column:2;max-width:64ch;color:var(--tx2);font-size:clamp(15px,1.15vw,18px);margin-top:14px}
.dark .chap h2{color:#fff}.dark .chap p{color:#CFCCC6}.dark .chap .no small{color:var(--mut-d)}
.chap-band{position:relative;background:var(--carbon);color:#fff;padding:clamp(18px,2.4vw,30px) var(--pad);margin-bottom:clamp(24px,3vw,44px);overflow:hidden}
.chap-band::before{content:"";position:absolute;left:-40px;top:0;bottom:0;width:clamp(90px,10vw,150px);background:var(--red);transform:skewX(-14deg)}
.chap-band .no{position:relative;z-index:1;font-family:var(--disp);font-style:italic;font-weight:800;font-size:clamp(40px,5vw,72px);line-height:1;padding-left:clamp(20px,3vw,44px);color:#fff}
.chap-band .no small{font:500 11px/1 var(--mono);letter-spacing:.22em;display:block;font-style:normal;margin-bottom:6px;color:#fff}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;min-height:calc(100svh - var(--nav));background:var(--carbon);color:#fff;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%;opacity:0;transform:scale(1.06);transition:opacity 1.4s var(--ease),transform 2.2s var(--ease)}
.hero.ready .hero-img{opacity:1;transform:none}
.hero-shade{position:absolute;inset:0;background:
  linear-gradient(90deg,#0B0B0Df8 0%,#0B0B0De4 40%,#0B0B0D66 66%,#0B0B0D10 100%),
  linear-gradient(0deg,#0B0B0Df5 0%,#0B0B0D80 32%,transparent 60%)}
.hero-slab{position:absolute;top:-10%;bottom:-10%;transform:skewX(-14deg);pointer-events:none}
.hero-slab.a{right:11%;width:clamp(60px,9vw,150px);background:var(--red);opacity:.92;translate:0 0;animation:slab 1.1s var(--ease) both}
.hero-slab.b{right:8.4%;width:clamp(10px,1.4vw,22px);background:#fff;opacity:.9;animation:slab 1.1s var(--ease) .12s both}
@keyframes slab{from{translate:60vw 0;opacity:0}to{translate:0 0;opacity:.92}}
@media(prefers-reduced-motion:reduce){.hero-slab{animation:none}}
.hero-ghost{position:absolute;right:-.04em;top:clamp(20px,4vw,60px);font-family:var(--disp);font-weight:800;font-style:italic;font-size:clamp(150px,26vw,420px);line-height:.8;color:#fff;opacity:.07;letter-spacing:-.04em;pointer-events:none;user-select:none;white-space:nowrap}
.hero-body{position:relative;z-index:2;padding:clamp(120px,16vh,180px) var(--pad) clamp(28px,4vw,56px);max-width:var(--maxw);margin:0 auto;width:100%}
.hero-eb{display:inline-flex;align-items:center;gap:12px;font:600 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:#fff;background:rgba(11,11,13,.72);padding:8px 12px 8px 10px;backdrop-filter:blur(4px)}
.hero-eb::before{content:"";width:28px;height:2px;background:var(--red)}
.hero h1{font-family:var(--disp);font-weight:800;font-style:italic;text-transform:uppercase;font-size:clamp(58px,10.4vw,168px);line-height:.88;letter-spacing:-.015em;margin:18px 0 8px;text-shadow:0 2px 6px rgba(0,0,0,.85),0 6px 30px rgba(0,0,0,.7)}
.hero h1 span{display:block}
.hero h1 .l2{color:transparent;-webkit-text-stroke:0;background:linear-gradient(90deg,#fff 0%,#fff 55%,var(--red-t) 100%);-webkit-background-clip:text;background-clip:text;text-shadow:none;filter:drop-shadow(0 2px 5px rgba(0,0,0,.85)) drop-shadow(0 6px 22px rgba(0,0,0,.6))}
html[lang^="zh"] .hero h1{font-family:'Saira Condensed','Arial Narrow',sans-serif;font-style:italic;font-weight:800;line-height:.88;letter-spacing:-.015em;font-size:clamp(58px,10.4vw,168px)}
.hero-scope{max-width:64ch;margin-top:16px;padding:10px 14px 10px 16px;border-left:4px solid var(--red);background:rgba(11,11,13,.7);backdrop-filter:blur(4px);font-size:14.5px;line-height:1.55;color:#EDEBEF}
.hero-scope b{color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
html[lang^="zh"] .hero-scope b{text-transform:none;letter-spacing:0;color:var(--red-t)}
/* series marker: coloured text only, no plates (2026-09-21 user: boxes looked cheap) */
.hero-plate{display:flex;align-items:baseline;gap:14px;margin:14px 0 2px;text-shadow:0 2px 10px rgba(0,0,0,.6)}
.hero-plate .num{font-family:'Saira Condensed','Arial Narrow',sans-serif;font-style:italic;font-weight:800;font-size:clamp(34px,3.6vw,52px);line-height:1;letter-spacing:-.01em;color:var(--red-t)}
.hero-plate .tag{font-family:var(--mono);font-weight:700;font-size:clamp(13px,1.1vw,16px);letter-spacing:.3em;text-transform:uppercase;color:#fff;padding-left:14px;border-left:2px solid var(--red)}
html[lang^="zh"] .hero-plate .tag{font-family:var(--body);font-weight:900;letter-spacing:.16em;font-size:clamp(15px,1.3vw,19px)}
.hero-sub{max-width:58ch;font-size:clamp(16px,1.35vw,20px);line-height:1.6;color:#EDEBEF;text-shadow:0 1px 12px rgba(0,0,0,.6);margin-top:18px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;font:600 13.5px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;transition:background .25s,color .25s,transform .25s}
.btn-red{background:var(--red);color:#fff;clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);padding:0 28px}
.btn-red:hover{background:#fff;color:var(--carbon)}
.btn-line{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn::after{content:"→";transition:transform .25s}
.btn:hover::after{transform:translateX(4px)}
.paper .btn-line{border-color:rgba(20,20,22,.5);color:var(--tx)}.paper .btn-line:hover{background:var(--carbon);color:#fff;border-color:var(--carbon)}
/* stat rail */
.hero-stats{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.18);background:rgba(11,11,13,.55);backdrop-filter:blur(8px)}
.hero-stats ul{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.hero-stats li{padding:18px 22px 18px 0;border-right:1px solid rgba(255,255,255,.14);margin-right:22px;min-width:0}
.hero-stats li:last-child{border:0;margin:0}
.hero-stats b{display:block;font-family:var(--disp);font-weight:800;font-style:italic;font-size:clamp(28px,3.2vw,46px);line-height:1;color:#fff;white-space:nowrap}
.hero-stats b i{font-style:inherit;color:var(--red-t);font-size:.55em;margin-left:4px}
.hero-stats span{display:block;font:500 11.5px/1.4 var(--mono);letter-spacing:.16em;color:#D9D6D0;margin-top:6px}
.hero-scroll{display:none}
.hero-scroll i{width:1px;height:38px;background:linear-gradient(#fff,transparent);animation:drop 1.6s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* =========================================================
   06 INSTALL TIP
   ========================================================= */
.tip{background:var(--carbon);color:#fff;padding:0;position:relative;overflow:hidden}
.tip-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:560px}
.tip-img{position:relative;min-height:360px}
.tip-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tip-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 60%,var(--carbon) 100%)}
.tip-img .slab{position:absolute;left:-30px;top:-10%;bottom:-10%;width:clamp(40px,5vw,80px);background:var(--red);transform:skewX(-14deg);opacity:.95}
.tip-body{padding:clamp(40px,6vw,90px) var(--pad) clamp(40px,6vw,90px) clamp(20px,3vw,50px);display:flex;flex-direction:column;justify-content:center}
.tip-body .eb{font:500 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--red-t);display:flex;align-items:center;gap:10px}
.tip-body .eb::before{content:"";width:26px;height:2px;background:var(--red)}
.tip-body h2{font-family:var(--disp);font-style:italic;font-weight:800;text-transform:uppercase;font-size:clamp(34px,4.6vw,72px);line-height:.92;margin:14px 0 14px}
html[lang^="zh"] .tip-body h2{font-style:normal;font-weight:900;line-height:1.14}
.tip-body>p{font-size:clamp(15px,1.15vw,18px);color:#EDEBEF;max-width:54ch}
.tl{list-style:none;counter-reset:s;margin-top:26px;display:grid;gap:0}
.tl li{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:14px 0;border-top:1px solid rgba(255,255,255,.16);align-items:start}
.tl li:last-child{border-bottom:1px solid rgba(255,255,255,.16)}
.tl .st{counter-increment:s;font-family:var(--disp);font-style:italic;font-weight:800;font-size:34px;line-height:1;color:var(--red-t);min-width:52px}
.tl .st::before{content:"0" counter(s)}
.tl h4{font-size:17px;font-weight:700;color:#fff}
.tl p{font-size:15px;color:#CFCCC6;line-height:1.55;margin-top:3px}
.tl .nocap{margin-top:14px;font:500 12px/1.5 var(--mono);letter-spacing:.06em;color:#fff;background:rgba(255,255,255,.08);border-left:3px solid var(--red);padding:10px 12px}

/* =========================================================
   CTA + FOOT
   ========================================================= */
.cta{background:var(--paper);padding:clamp(56px,8vw,120px) 0}
.cta-box{position:relative;background:var(--carbon);color:#fff;overflow:hidden;padding:clamp(36px,5vw,72px) var(--pad);display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:clamp(20px,3vw,40px);align-items:center}
.cta-box::before{content:"";position:absolute;right:-10%;top:-20%;bottom:-20%;width:clamp(90px,12vw,200px);background:var(--red);transform:skewX(-14deg);opacity:.95}
.cta-box::after{content:"";position:absolute;right:calc(-10% + clamp(90px,12vw,200px) + 14px);top:-20%;bottom:-20%;width:14px;background:#fff;transform:skewX(-14deg);opacity:.9}
.cta-box .ghost{position:absolute;left:-.02em;bottom:-.2em;font-family:var(--disp);font-style:italic;font-weight:800;font-size:clamp(120px,22vw,320px);line-height:1;color:#fff;opacity:.05;pointer-events:none}
.cta-box>*{position:relative;z-index:1}
.cta-box .eb{font:500 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--red-t)}
.cta-box h2{font-family:var(--disp);font-style:italic;font-weight:800;text-transform:uppercase;font-size:clamp(36px,5vw,78px);line-height:.92;margin:12px 0 12px}
html[lang^="zh"] .cta-box h2{font-style:normal;font-weight:900;line-height:1.14}
.cta-box p{font-size:clamp(15px,1.15vw,18px);color:#EDEBEF;max-width:52ch}
.cta-box .btns{display:flex;flex-direction:column;gap:10px;align-items:stretch;padding-right:clamp(120px,14vw,240px)}
.cta-box .btn-line,.paper .cta-box .btn-line{background:var(--carbon);color:#fff;border-color:rgba(255,255,255,.6)}
.paper .cta-box .btn-line:hover{background:#fff;color:var(--carbon);border-color:#fff}
.cta-box .btn-line{justify-content:center}
.cta-box .btn-red{justify-content:center}
footer.pf{background:var(--carbon);color:#CFCCC6;border-top:6px solid transparent;border-image:linear-gradient(90deg,#E32027 0 14.28%,#F26A1B 0 28.56%,#F2C21B 0 42.84%,#29A84B 0 57.12%,#1FAFD1 0 71.4%,#2F6BFF 0 85.68%,#8A3FFF 0) 1}
footer.pf .in{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between;padding-block:22px}
footer.pf img{height:34px;width:auto}
footer.pf .l{display:flex;align-items:center;gap:16px;font:500 11.5px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase}
footer.pf .l i{color:var(--red-t);font-style:normal}
footer.pf .r{font-size:13px;line-height:1.5;max-width:70ch;color:#CFCCC6}
footer.pf .r a{color:#fff;border-bottom:1px solid var(--red)}

/* =========================================================
   SKU spec modal (in place; carbon panel, red accents)
   ========================================================= */
html.skm-lock{overflow:hidden}
.skm-veil[hidden]{display:none !important}
.skm-veil{position:fixed;inset:0;z-index:9500;background:rgba(6,6,8,.78);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px}
.skm{position:relative;width:min(1060px,100%);max-height:calc(100svh - 48px);background:var(--carbon);color:#fff;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 80px rgba(0,0,0,.6);overflow:auto;-webkit-overflow-scrolling:touch}
.skm::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--red) 0 60%,#fff 60% 64%,transparent 64%);z-index:2}
.skm-x{position:absolute;right:10px;top:12px;z-index:3;width:44px;height:44px;border:1px solid rgba(255,255,255,.35);color:#fff;font-size:18px;background:rgba(11,11,13,.7);transition:background .2s,border-color .2s}
.skm-x:hover{background:var(--red);border-color:var(--red)}
.skm-body{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);min-height:420px}
.skm-loading{grid-column:1/-1;padding:80px 24px;text-align:center;font:500 12px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#D9D6D0}
.skm-media{position:relative;background:#fff;display:flex;align-items:center;justify-content:center;padding:clamp(16px,2.4vw,32px)}
.skm-media img{width:100%;max-width:520px;height:auto;aspect-ratio:1;object-fit:cover}
.skm-type{position:absolute;left:0;top:18px;background:var(--carbon);color:#fff;font:600 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;padding:9px 14px 9px 16px;clip-path:polygon(0 0,100% 0,calc(100% - 8px) 100%,0 100%)}
.skm-info{padding:clamp(22px,3vw,40px) clamp(20px,3vw,40px) clamp(22px,3vw,36px);min-width:0}
.skm-eb{font:600 11px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--red-t);display:flex;align-items:center;gap:10px}
.skm-eb::before{content:"";width:22px;height:2px;background:var(--red)}
.skm-sku{font:700 clamp(22px,2.2vw,30px)/1.1 var(--mono);letter-spacing:.02em;color:#fff;margin-top:12px}
.skm-name{font-family:var(--disp);font-style:italic;font-weight:800;text-transform:uppercase;font-size:clamp(24px,2.6vw,38px);line-height:.98;margin:6px 0 12px;color:#fff}
html[lang^="zh"] .skm-name{font-style:normal;font-weight:900;line-height:1.16;text-transform:none}
.skm-desc{font-size:15px;line-height:1.6;color:#D9D6D0;max-width:60ch}
.skm-off{margin-top:8px;font-size:13px;color:#F4D06F;border-left:2px solid #F4D06F;padding-left:10px}
.skm-specs{margin:18px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:0 18px;border-top:1px solid rgba(255,255,255,.14)}
.skm-sr{display:grid;grid-template-columns:1fr;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1);min-width:0}
.skm-sr dt{font:600 10.5px/1.2 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:#D9D6D0}
.skm-sr dd{margin:4px 0 0;font-size:14.5px;line-height:1.45;color:#fff;overflow-wrap:anywhere}
.skm-apps{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.skm-apps span{font:500 12px/1 var(--mono);letter-spacing:.06em;padding:8px 10px;border:1px solid rgba(255,255,255,.35);color:#F4F2EE}
.skm-act{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.skm-qty{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.35);height:48px}
.skm-qty span{font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#D9D6D0;padding:0 12px}
.skm-qty button{width:44px;height:100%;color:#fff;font-size:20px;border-left:1px solid rgba(255,255,255,.2);transition:background .2s}
.skm-qty button:hover{background:rgba(255,255,255,.12)}
.skm-qty input{width:64px;height:100%;background:transparent;border:0;border-left:1px solid rgba(255,255,255,.2);color:#fff;text-align:center;font:700 18px/1 var(--mono);-moz-appearance:textfield}
.skm-qty input::-webkit-inner-spin-button,.skm-qty input::-webkit-outer-spin-button{-webkit-appearance:none}
.skm-add{cursor:pointer}
.skm-links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:16px}
.skm-links a{font:600 12px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#F4F2EE;border-bottom:1px solid var(--red);padding-bottom:3px}
.skm-links a:hover{color:var(--red-t)}
.skm-toast{margin-top:14px;padding:12px 14px;background:rgba(41,168,75,.16);border-left:3px solid #29A84B;font-size:14.5px;color:#fff}
.skm-toast a{color:#fff;font-weight:700;border-bottom:1px solid #fff;margin-left:8px}
.row .row-img{display:block}
.row .sku{display:inline-block;border-bottom:1px dashed transparent;transition:border-color .2s}
.row .sku:hover,.row .row-img:hover+.id .sku{border-bottom-color:var(--red-ink)}
@media(max-width:820px){
  .skm-veil{padding:0;align-items:flex-end}
  .skm{width:100%;max-height:100svh;border:0}
  .skm-body{grid-template-columns:1fr;min-height:0}
  .skm-media{padding:14px 14px 0}
  .skm-media img{max-width:100%;aspect-ratio:16/10;object-fit:contain}
  .skm-info{padding:20px 18px 32px}
  .skm-specs{grid-template-columns:1fr}
  .skm-sr dt{font-size:12px}.skm-sr dd{font-size:15px}
  .skm-desc{font-size:15px}
  .skm-act{gap:10px}.skm-add{width:100%;justify-content:center}
  .skm-qty{width:100%;justify-content:space-between}
  .skm-links a{font-size:12px;min-height:44px;display:inline-flex;align-items:center}
  .skm-x{top:8px;right:8px}
  .skm-type,.skm-eb,.skm-qty span,.skm-apps span{font-size:12px}
}
/* ============================================================== inline emphasis in body copy (2026-09-21) -- */
/* <b> = bold + brand colour · <b class="up"> = same, slightly larger. Light sections use red-ink (5.9:1 on paper),
   dark sections use red-t (6.5:1 on carbon). Both measured WCAG AA for normal text. */
.hero-sub b,.chap p b,.step p b,.who-head p b,.fx-tile p b,.tip-body>p b,.tl p b,.cta-box p b{font-weight:700}
.chap p b,.step p b,.who-head p b{color:var(--red-ink)}
.hero-sub b,.dark .chap p b,.fx-tile p b,.tip-body>p b,.tl p b,.cta-box p b{color:var(--red-t)}
.hero-sub b{text-shadow:0 1px 10px rgba(0,0,0,.75)}
b.up{font-size:1.14em;font-weight:800;line-height:1.1}
html[lang^="zh"] b.up{font-weight:900;font-size:1.12em}
@media (max-width:720px){ b.up{font-size:1.1em} }
/* ============================================================== SKU modal — 4-tier text (2026-09-21, Claude Design brief) -- */
/* label = 9600 series accent (series blue lifted for carbon, 9.2:1; the brief's Candy pink was rejected) · SKU = grey secondary ·
   name = white + finish keyword in brand red (>=24px/800 → 3:1 large-text rule, 4.22:1) + 44×4 red rule · body 78% white ·
   spec labels #8A8F98 (6.05:1) · key numbers 22px/700 white, units #B5B5B5 · dividers #232327 · chips #161618/#2A2A2E/#B5B5B5, red on hover */
.skm{--skm-a:#8FB0FF}
.skm-eb{color:var(--skm-a);letter-spacing:.24em;font-weight:600}
.skm-eb::before{height:3px;background:var(--skm-a)}
.skm-sku{color:#B5B5B5;letter-spacing:.08em;font-size:clamp(15px,1.5vw,18px);font-weight:600;margin-top:14px}
.skm-name{margin:4px 0 0}
.skm-name em{font-style:inherit;color:var(--red)}
.skm-name::after{content:"";display:block;width:44px;height:4px;background:var(--red);margin:12px 0 0}
.skm-desc{color:rgba(255,255,255,.78);line-height:1.65;margin-top:14px}
.skm-specs{border-top-color:#232327}
.skm-sr{border-bottom-color:#232327}
.skm-sr dt{color:#8A8F98;font-size:11px;letter-spacing:.16em}
.skm-sr dd{color:rgba(255,255,255,.9)}
.skm-sr dd.big{color:#B5B5B5}
.skm-sr dd b{font-weight:700;color:#fff}
.skm-sr dd.big b{font-size:22px;line-height:1;font-family:var(--mono);letter-spacing:-.01em;margin-right:3px}
.skm-apps span{background:#161618;border-color:#2A2A2E;color:#B5B5B5;transition:border-color .2s,color .2s}
.skm-apps span:hover{border-color:var(--red);color:#fff}
@media (max-width:720px){ .skm-sr dt{font-size:12px} .skm-sr dd.big b{font-size:20px} .skm-eb{font-size:12px} }
/* 2026-09-21 round 14 (user): light-section emphasis red -> black; hero title -> lavender-to-deep-blue gradient (matches the 9600 plate).
   Round 15 (user): hero title gradient reverted -> original white. */
.chap:not(.dark) p b,.step p b,.who-head p b{color:var(--ink)}
.chap.dark p b,.lab .chap p b{color:#fff}
/* template responsive block (9600) */
@media(max-width:1060px){
  .fx-a{grid-column:1/13;min-height:440px}
  .fx-b{grid-column:1/7}.fx-c{grid-column:7/13}
  .fx-d{grid-column:1/13}.fx-e{grid-column:1/13}
  .ledger{grid-template-columns:1fr}
  .row{grid-template-columns:72px minmax(0,1fr) auto;grid-template-areas:"img id ty" "img ft ft" "img go go";gap:8px 14px}
  .row img{grid-area:img;width:72px;height:72px}
  .row .id{grid-area:id}.row .ty{grid-area:ty;flex-direction:row}.row .ft{grid-area:ft}.row .go{grid-area:go;justify-self:start}
}
@media(max-width:820px){
  body{font-size:16px}
  .hero{min-height:calc(100svh - var(--nav))}
  .hero-img{object-position:64% 50%}
  .hero-shade{background:linear-gradient(0deg,#0B0B0Df8 0%,#0B0B0De8 46%,#0B0B0D96 70%,#0B0B0D30 100%)}
  .hero-body{padding-top:120px}
  .hero-eb{letter-spacing:.12em;font-size:12px;white-space:nowrap}
  .hero-ghost{font-size:clamp(110px,34vw,200px);top:12px}
  .hero h1{font-size:clamp(50px,15.5vw,84px)}
  html[lang^="zh"] .hero h1{font-size:clamp(50px,15.5vw,84px)}
  .hero-plate{margin:10px 0 2px;gap:10px}
  .hero-plate .num{font-size:30px}
  .hero-plate .tag{font-size:12px;letter-spacing:.22em;padding-left:10px}
  html[lang^="zh"] .hero-plate .tag{font-size:14px}
  .hero-scope{font-size:15px;margin-top:14px}
  .hero-sub{font-size:16.5px}
  .hero-slab.a{right:-6%;width:70px;opacity:.85}.hero-slab.b{right:-1%;width:10px}
  .hero-stats ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats li{padding:14px 12px 14px 0;margin-right:12px}
  .hero-stats li:nth-child(2){border-right:0;margin-right:0}
  .hero-stats b{font-size:26px}
  .hero-stats span{font-size:12px}
  .hero-scroll{display:none}
  .chap{grid-template-columns:1fr;gap:6px}
  .chap .no{font-size:64px}.chap p{grid-column:1}
  .anat-grid{grid-template-columns:1fr;gap:16px}
  .stack-fig{position:sticky;top:var(--nav);height:min(44svh,360px);min-height:300px;z-index:2}
  .stack{width:min(70%,340px)}
  .stack-fig[data-step="1"] .l-cap{transform:translateZ(110px)}
  .stack-fig[data-step="2"] .l-cap{transform:translateZ(150px)}.stack-fig[data-step="2"] .l-lam{transform:translateZ(90px)}
  .stack-fig[data-step="3"] .l-cap{transform:translateZ(170px)}.stack-fig[data-step="3"] .l-lam{transform:translateZ(120px)}.stack-fig[data-step="3"] .l-film{transform:translateZ(70px)}
  .stack-fig[data-step="4"] .l-cap{transform:translateZ(190px)}.stack-fig[data-step="4"] .l-lam{transform:translateZ(150px)}.stack-fig[data-step="4"] .l-film{transform:translateZ(100px)}.stack-fig[data-step="4"] .l-liner{transform:translateZ(20px)}
  .step{min-height:0;padding:26px 0;opacity:1}
  .step h3{font-size:28px}
  .lab-grid{grid-template-columns:1fr;gap:14px}
  .pv-col{display:contents}
  .pv-wrap{position:sticky;top:var(--nav);z-index:4;order:-1;background:var(--carbon);padding-bottom:10px;margin-inline:calc(var(--pad) * -1);padding-inline:var(--pad)}
  .pv-wrap .pv{aspect-ratio:16/10}
  .pick-col{order:0}.lab-read{order:1}
  .hero-eb,.hero-stats span,.pv-edge .b,.pv-edge .a small,.readout .k,.who-row .x,.grp-head .cnt,.row .ty i,.row .go,.tip-body .eb,.chap .no small,.fx-tile .k,.step .n,.pick .lbl,.lab-count,.lu-summary,.fx-real span,.stack-hud .k,footer.pf .l,.who-head .k,.step .facts i,.cta-box .eb,.tl .nocap,.readout .links a,.row .go,.fx-tile .skus span,.compat .k{font-size:12px}
  .chips{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chip{min-height:64px}
  .chip .t span{white-space:normal;font-size:12.5px}
  .readout{grid-template-columns:1fr}
  .readout>div+div{border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .readout .links a{min-height:44px;display:inline-flex;align-items:center}
  .fx-tile{min-height:300px}.fx-a{min-height:400px}
  .fx-b{grid-column:1/13}.fx-c{grid-column:1/13}
  .fx-real img{width:50px;height:50px}
  .grp-head{flex-wrap:wrap;min-height:0}
  .grp-head .cnt{width:100%;margin:0;padding:8px 16px 12px;font-size:12px}
  .row{grid-template-columns:64px minmax(0,1fr);grid-template-areas:"img id" "ty ty" "ft ft" "go go";padding:14px 14px}
  .row img{width:64px;height:64px}
  .row .sku{font-size:15px}.row .nm{font-size:15px}
  .row .go{width:100%;justify-content:center}
  .compat{grid-template-columns:1fr}
  .compat .k{padding:12px 16px}
  .compat ul{padding:6px 8px}.compat li{padding:10px 12px;font-size:20px}
  .compat .roll{margin-left:0;padding:10px 16px 14px;width:100%}
  .tip-grid{grid-template-columns:1fr}
  .tip-img{min-height:260px}.tip-img::after{background:linear-gradient(0deg,var(--carbon) 0%,transparent 40%)}
  .tip-body{padding:26px var(--pad) 40px}
  .tl .st{font-size:28px;min-width:44px}
  .cta-box{grid-template-columns:1fr}
  .cta-box::before{display:none}.cta-box::after{display:none}
  .cta-box{border-top:6px solid var(--red)}
  .cta-box .btns{flex-direction:column;padding-right:0}
  footer.pf .in{flex-direction:column;align-items:flex-start}
}
@media(hover:none){.pv{cursor:default}}

/* ==========================================================================
   3600 REFLECTIVE — page-specific modules
   Night blocks (carbon) alternate with paper; headlight yellow #FFD95A is the only extra accent
   (rays / beam), the swatch colours come from the official product photos.
   ========================================================================== */
:root{--beam:#FFD95A;--refl:#B7C3D1}
.skm{--skm-a:#B7C3D1}

/* ---------- hero ---------- */
.hero-img{object-position:70% 50%}
.hero h1 .l2{background:none;color:var(--red-t);-webkit-text-fill-color:var(--red-t);text-shadow:0 2px 6px rgba(0,0,0,.85),0 6px 30px rgba(0,0,0,.7);filter:none}
.hero h1{font-size:clamp(52px,8.4vw,140px)}
html[lang^="zh"] .hero h1{font-family:var(--body);font-style:normal;font-weight:900;line-height:1.08;letter-spacing:.02em;font-size:clamp(46px,7vw,112px)}
.hero-plate .num{color:#fff}
.hero-plate .tag{color:var(--refl);border-left-color:var(--red)}
.hero-beam{position:absolute;inset:0;pointer-events:none;background:radial-gradient(38% 60% at 78% 52%,rgba(255,236,190,.16),transparent 70%);mix-blend-mode:screen;opacity:0;animation:beam 5s var(--ease) 1s infinite}
@keyframes beam{0%,100%{opacity:0}35%{opacity:1}60%{opacity:.6}}
@media(prefers-reduced-motion:reduce){.hero-beam{animation:none;opacity:.6}}
.hero-spec{position:relative;z-index:2;display:grid;grid-template-columns:repeat(23,minmax(0,1fr));height:6px}
.hero-spec i{display:block}

/* ---------- 01 light ---------- */
.light{background:var(--paper);padding:clamp(56px,8vw,120px) 0}
.rays{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,1.6vw,22px)}
.ray-card{background:#fff;border:1px solid var(--hair);display:flex;flex-direction:column;margin:0}
.ray-card.is-3600{border-color:var(--carbon);box-shadow:0 0 0 2px var(--carbon)}
.ray-fig{position:relative;background:var(--carbon);aspect-ratio:3/2;overflow:hidden}
.ray-card.is-3600 .ray-fig{background:#050506}
.ray-fig svg{position:absolute;inset:0;width:100%;height:100%}
.ray-fig .lg-l,.ray-fig .lg-e{position:absolute;font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#D9D6D0}
.ray-fig .lg-l{left:27%;top:9%}.ray-fig .lg-e{left:3%;top:52%}
.surf.s-diff{fill:#5A5A62}.surf.s-mirror{fill:#D7DBE2}.surf.s-bead{fill:#A5150E}
.bead{fill:#EEF3FA;opacity:.9}
.lamp circle{fill:var(--beam)}.lamp path{stroke:var(--beam);stroke-width:3;stroke-linecap:round}
.eye path{fill:none;stroke:#fff;stroke-width:2.2}.eye circle{fill:#fff}
.ray{fill:none;stroke:var(--beam);stroke-width:3.2;stroke-linecap:round;stroke-dasharray:190;stroke-dashoffset:190;transition:stroke-dashoffset 1s var(--ease)}
.ray.out{transition-delay:.9s}
.ray.dim{stroke:rgba(255,217,90,.42);stroke-width:2.2}
.ray.hot{stroke:#FFE9A0;stroke-width:6;filter:drop-shadow(0 0 6px #FFD95A) drop-shadow(0 0 14px rgba(255,217,90,.8))}
.ray-card.go .ray{stroke-dashoffset:0}
.ray-card.is-3600.go .eye{animation:flare 1.6s var(--ease) 1.8s both}
@keyframes flare{0%{filter:none}40%{filter:drop-shadow(0 0 10px #FFD95A) drop-shadow(0 0 22px #FFD95A)}100%{filter:drop-shadow(0 0 6px #FFD95A)}}
@media(prefers-reduced-motion:reduce){.ray{stroke-dashoffset:0;transition:none}}
.ray-card figcaption{padding:18px 20px 22px}
.ray-card .k{font:600 12px/1.3 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mut)}
.ray-card.is-3600 .k{color:var(--red-ink)}
.ray-card h3{font-family:var(--disp);font-style:italic;font-weight:800;text-transform:uppercase;font-size:clamp(30px,3vw,46px);line-height:.95;margin:6px 0 8px}
html[lang^="zh"] .ray-card h3{font-style:normal;font-weight:900;line-height:1.16}
.ray-card p{font-size:15.5px;color:var(--tx2);line-height:1.6}
.ray-card p b{color:var(--ink)}
.tech-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(18px,2.4vw,30px);border-top:2px solid var(--ink)}
.tech{padding:18px clamp(12px,1.6vw,22px) 4px 0}
.tech+.tech{padding-left:clamp(12px,1.6vw,22px);border-left:1px solid var(--hair)}
.tech .n{font:700 12px/1 var(--mono);letter-spacing:.2em;color:var(--red-ink)}
.tech h4{font-size:18px;font-weight:700;margin:8px 0 4px;color:var(--tx)}
.tech p{font-size:15px;color:var(--tx2);line-height:1.55}
.stop{margin-top:clamp(28px,4vw,56px);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);background:#fff;border:1px solid var(--hair);position:relative}
.stop::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--red)}
.stop-l{padding:clamp(22px,2.8vw,36px) clamp(20px,2.8vw,36px) clamp(22px,2.8vw,36px) calc(clamp(20px,2.8vw,36px) + 6px)}
.stop .eb{font:600 12px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--red-ink)}
.stop h3{font-family:var(--disp);font-style:italic;font-weight:800;text-transform:uppercase;font-size:clamp(28px,3vw,44px);line-height:.96;margin:10px 0 10px}
html[lang^="zh"] .stop h3{font-style:normal;font-weight:900;line-height:1.16}
.stop p{font-size:15.5px;color:var(--tx2);max-width:60ch}
.stop p b{color:var(--ink)}
.stop-r{background:var(--carbon);color:#fff;padding:clamp(20px,2.6vw,32px);display:flex;flex-direction:column;justify-content:center;gap:14px}
.stop-r ul{list-style:none}
.stop-r li{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.stop-r li b{font:700 16px/1.2 var(--mono);letter-spacing:.04em}
.stop-r li span{font-size:14.5px;color:#D9D6D0;text-align:right}
.stop-go{align-self:flex-start;font:600 12.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;padding:13px 16px;border:1px solid rgba(255,255,255,.55);transition:background .2s,border-color .2s}
.stop-go:hover{background:var(--red);border-color:var(--red)}

/* ---------- 02 headlight test ---------- */
.lab{background:var(--carbon);color:#fff;padding:clamp(56px,8vw,120px) 0;position:relative;overflow:hidden}
.lab::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.022) 0 1px,transparent 1px 16px);pointer-events:none}
.lab .in{position:relative}
.lab-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:clamp(20px,3.4vw,54px);align-items:start}
.stage-col{position:sticky;top:calc(var(--nav) + 20px)}
.stage{--c:#A5150E;--lit:#FF6A5E;--dim:#1c0b0a;--lx:50%;--ly:55%;--br:clamp(150px,22vw,300px);position:relative;aspect-ratio:16/9;overflow:hidden;border:1px solid rgba(255,255,255,.16);touch-action:none;cursor:crosshair;user-select:none;-webkit-user-select:none}
.st-bg{position:absolute;inset:0;transition:background .7s var(--ease)}
.stage.night .st-bg{background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 7px),radial-gradient(120% 90% at 50% 40%,#17181C,#08080A)}
.stage.day .st-bg{background:repeating-linear-gradient(0deg,rgba(0,0,0,.03) 0 1px,transparent 1px 7px),linear-gradient(160deg,#A9AEB5,#8C9199)}
.st-beam{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle var(--br) at var(--lx) var(--ly),rgba(255,244,214,.13),rgba(255,244,214,.04) 55%,transparent 75%);transition:opacity .5s}
.stage.day .st-beam{opacity:0}
.cut{position:absolute;inset:0;font-family:'Saira Condensed','Noto Sans TC',sans-serif;font-style:italic;font-weight:800;text-transform:uppercase;line-height:1;letter-spacing:.01em}
html[lang^="zh"] .cut{font-weight:900}
.t-base,.t-lit{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.12em;padding-bottom:.1em}
.cut .w{white-space:nowrap;display:block}
.cut .ln{display:block;width:62%;height:max(4px,.06em);position:relative}
.cut .ln b{position:absolute;left:50%;top:50%;width:.26em;height:.26em;transform:translate(-50%,-50%) rotate(45deg)}
.t-base .w{color:var(--dim);transition:color .6s}
.t-base .ln,.t-base .ln b{background:var(--dim);transition:background .6s}
.t-lit{-webkit-mask-image:radial-gradient(circle var(--br) at var(--lx) var(--ly),#000 0%,#000 32%,rgba(0,0,0,.42) 62%,transparent 100%);mask-image:radial-gradient(circle var(--br) at var(--lx) var(--ly),#000 0%,#000 32%,rgba(0,0,0,.42) 62%,transparent 100%);transition:opacity .5s}
.t-lit .w{color:transparent;background:radial-gradient(circle,rgba(255,255,255,.9) 0 .7px,transparent 1.3px) 0 0/5px 5px,radial-gradient(circle,rgba(255,255,255,.55) 0 .6px,transparent 1.2px) 2.5px 2.5px/5px 5px,var(--lit);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 0 8px var(--lit)) drop-shadow(0 0 22px var(--lit))}
.t-lit .ln,.t-lit .ln b{background:var(--lit);box-shadow:0 0 12px var(--lit)}
.stage[data-eye="off"] .t-lit{opacity:.13}
.stage.day .t-lit{opacity:0}
.stage.day .t-base .w{color:var(--c);text-shadow:0 1px 0 rgba(255,255,255,.18),0 2px 8px rgba(0,0,0,.18)}
.stage.day .t-base .ln,.stage.day .t-base .ln b{background:var(--c)}
.st-edge{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 11px;display:flex;justify-content:space-between;align-items:flex-end;gap:10px;background:linear-gradient(rgba(8,8,10,0),rgba(8,8,10,.85) 50%,rgba(8,8,10,.95));pointer-events:none;font:600 12px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#fff}
.st-edge .h{color:#D9D6D0;font-weight:500;text-align:right}
.toggles{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:12px}
.seg{display:inline-flex;align-items:stretch;border:1px solid rgba(255,255,255,.3);transition:opacity .3s}
.seg.off{opacity:.38;pointer-events:none}
.seg-l{display:flex;align-items:center;padding:0 12px;font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#D9D6D0;border-right:1px solid rgba(255,255,255,.2)}
.seg button{min-height:44px;padding:0 16px;font:600 12.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#E6E3DD;transition:background .2s,color .2s}
.seg button+button{border-left:1px solid rgba(255,255,255,.2)}
.seg button:hover{background:rgba(255,255,255,.08)}
.seg button.on{background:#fff;color:var(--carbon)}
.fld{display:block;margin-bottom:22px}
.fld .lbl{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px;font:500 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#D9D6D0}
.fld .lbl b{font-family:var(--disp);font-style:italic;font-weight:800;font-size:22px;letter-spacing:0;color:#fff}
html[lang^="zh"] .fld .lbl b{font-style:normal;font-weight:900}
#cutTxt{width:100%;min-height:52px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.3);color:#fff;padding:0 16px;font:700 20px/1 var(--mono);letter-spacing:.08em;outline:none;transition:border-color .2s}
#cutTxt:focus{border-color:var(--red)}
#cutTxt::placeholder{color:#8F8B85}
.sws{display:grid;grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:6px}
.sw{position:relative;display:flex;flex-direction:column;align-items:stretch;gap:4px;padding:4px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.03);transition:border-color .2s,background .2s}
.sw i{display:block;aspect-ratio:1;background:var(--c);border:1px solid rgba(255,255,255,.14)}
.sw span{font:600 12px/1 var(--mono);letter-spacing:.02em;color:#D9D6D0;text-align:center}
.sw em{position:absolute;right:2px;top:2px;font:700 10px/1 var(--mono);font-style:normal;background:#fff;color:var(--carbon);padding:2px 3px}
.sw:hover{border-color:rgba(255,255,255,.55)}
.sw.on{border-color:var(--red);background:rgba(227,32,39,.16);box-shadow:inset 0 -3px 0 var(--red)}
.sw.on span{color:#fff}
.lab .readout{border:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:1.4fr 1fr 1fr;background:rgba(255,255,255,.03)}
.lab .readout>div{padding:14px 16px;min-width:0}
.lab .readout>div+div{border-left:1px solid rgba(255,255,255,.14)}
.lab .readout .k{font:500 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:#D9D6D0}
.lab .readout .v{font:700 17px/1.2 var(--mono);color:#fff;margin-top:8px;letter-spacing:.02em;word-break:break-word}
.lab .readout .v i{font-style:normal;color:#B5B5B5;font-size:.72em;margin-left:3px}
.lab .readout .nm{font-size:14px;color:#CFCCC6;margin-top:3px}
.rd-open{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.14);padding:14px 16px;font:600 12.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#fff;transition:background .2s}
.rd-open:hover{background:var(--red)}
.lab-note{margin-top:12px;font-size:13.5px;line-height:1.55;color:#CFCCC6;padding-left:12px;border-left:2px solid var(--red)}

/* ---------- 03 cutting ---------- */
.cutsec{background:var(--paper);padding:clamp(56px,8vw,120px) 0}
.cut-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(22px,4vw,64px);align-items:start}
.cut-fig{position:relative;margin:0 0 clamp(60px,8vw,110px)}
.cut-fig>img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cut-inset{position:absolute;right:clamp(-10px,-1vw,0px);bottom:clamp(-70px,-7vw,-40px);width:44%;margin:0;border:8px solid var(--paper);box-shadow:0 20px 40px rgba(0,0,0,.18)}
.cut-inset img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cut-fig figcaption{position:absolute;left:0;bottom:calc(clamp(-70px,-7vw,-40px) + 4px);width:52%;font:500 12px/1.4 var(--mono);letter-spacing:.08em;color:var(--mut)}
.cut-list{list-style:none;counter-reset:c}
.cut-list li{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--hair)}
.cut-list li:first-child{border-top:2px solid var(--ink)}
.cut-list .n{font-family:var(--disp);font-style:italic;font-weight:800;font-size:44px;line-height:.9;color:var(--red);min-width:56px}
.cut-list h3{font-size:clamp(19px,1.5vw,22px);font-weight:700;color:var(--tx);line-height:1.3}
.cut-list p{font-size:15.5px;color:var(--tx2);line-height:1.6;margin-top:4px}

/* ---------- 04 ideas ---------- */
.ideas{background:var(--carbon);color:#fff;padding:clamp(56px,8vw,120px) 0;position:relative}
.idea-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(10px,1.4vw,18px)}
.idea{position:relative;overflow:hidden;background:#000;min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;isolation:isolate}
.idea img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform 1.4s var(--ease)}
.idea:hover img{transform:scale(1.04)}
.idea .sh{position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(6,6,8,.95),rgba(6,6,8,.72) 45%,rgba(6,6,8,.05) 80%)}
.idea .ai{position:absolute;left:14px;top:14px;z-index:2;font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#E6E3DD;background:rgba(8,8,10,.72);padding:6px 8px}
.idea .tb{position:relative;z-index:2;padding:clamp(18px,2.2vw,28px)}
.idea .k{font:700 13.5px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--beam);display:flex;align-items:center;gap:10px}
.idea .k::before{content:"";width:24px;height:2px;background:var(--beam)}
.idea h3{font-family:var(--disp);font-style:italic;font-weight:800;text-transform:uppercase;font-size:clamp(30px,3.4vw,54px);line-height:.94;margin:10px 0 0;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.7)}
html[lang^="zh"] .idea h3{font-style:normal;font-weight:900;line-height:1.16}
.idea h3 em{font-style:inherit;color:var(--red-t)}
.idea h3::after{content:"";display:block;width:44px;height:4px;background:var(--red);margin:10px 0 12px}
.idea p{font-size:clamp(15px,1.05vw,16.5px);line-height:1.6;color:rgba(255,255,255,.84);max-width:48ch;text-shadow:0 1px 6px rgba(0,0,0,.8)}
.idea p b{color:#fff}
.idea .dots{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.idea .dots a{display:inline-flex;align-items:center;gap:7px;font:600 12px/1 var(--mono);letter-spacing:.06em;padding:8px 10px;border:1px solid #2A2A2E;background:#161618;color:#D0D0D0;transition:border-color .2s,color .2s}
.idea .dots a:hover{border-color:var(--red);color:#fff}
.idea .dots i{width:12px;height:12px;border:1px solid rgba(255,255,255,.3)}
.idea.i0{grid-column:1/8;grid-row:span 2;min-height:600px}
.idea.i1,.idea.i2{grid-column:8/13}

/* ---------- 05 lineup ---------- */
.lineup{background:var(--paper);padding:clamp(56px,8vw,120px) 0}
.lu-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;padding:16px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--hair)}
.lu-sum{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font:500 12px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--tx2)}
.lu-sum b{font-family:var(--disp);font-style:italic;font-weight:800;font-size:22px;letter-spacing:0;color:var(--tx);text-transform:none}
.lu-sum i{width:1px;height:16px;background:var(--hair)}
.lu-f{display:inline-flex;border:2px solid var(--ink)}
.lu-f button{min-height:44px;padding:0 16px;font:600 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--tx)}
.lu-f button+button{border-left:2px solid var(--ink)}
.lu-f button em{font-style:normal;color:var(--mut);margin-left:4px}
.lu-f button.on{background:var(--ink);color:#fff}
.lu-f button.on em{color:#D9D6D0}
.lu-count{margin:14px 0 12px;font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.cards{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(208px,1fr));gap:12px}
.card{background:#fff;border:1px solid var(--hair);display:flex;flex-direction:column;transition:border-color .2s,transform .3s var(--ease)}
.card[hidden]{display:none !important}
.card:hover{border-color:var(--ink);transform:translateY(-2px)}
.c-img{position:relative;display:block;aspect-ratio:1;overflow:hidden;background:#fff}
.c-img img{width:100%;height:100%;object-fit:cover}
.c-dot{position:absolute;right:10px;bottom:10px;width:26px;height:26px;border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.35)}
.c-body{padding:12px 14px 10px;flex:1}
.c-sku{font:700 15px/1.2 var(--mono);letter-spacing:.02em;color:var(--red-ink)}
.c-nm{font-size:15.5px;font-weight:600;color:var(--tx);margin-top:3px;line-height:1.3}
.c-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
.c-tags i{font:600 12px/1 var(--mono);font-style:normal;letter-spacing:.04em;padding:6px 7px;border:1px solid #14141655;color:var(--tx)}
.c-tags i.w48{background:var(--ink);color:#fff;border-color:var(--ink)}
/* open cue: small arrow in the card corner (whole card carries data-open, so the entire tile opens the spec card) */
.card{cursor:pointer}
.c-body{position:relative}
.c-tags{padding-right:40px}
.c-go{position:absolute;right:12px;bottom:10px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid #14141655;font:700 15px/1 var(--mono);color:var(--tx);background:#fff;transition:background .2s,color .2s,border-color .2s,transform .3s var(--ease)}
.card:hover .c-go,.c-go:focus-visible{background:var(--red);border-color:var(--red);color:#fff;transform:translate(2px,-2px)}

/* ---------- 06 sample (reuses .tip) ---------- */
.tip-img{background:var(--carbon);overflow:hidden}
.swatch-fan{position:absolute;inset:0}
.swatch-fan i{position:absolute;left:50%;bottom:10%;width:clamp(54px,6.4vw,96px);height:70%;margin-left:calc(clamp(54px,6.4vw,96px) / -2);background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,0) 28%),var(--c);border:1px solid rgba(255,255,255,.22);transform-origin:50% 94%;transform:rotate(calc((var(--i) - 11) * 5.2deg));box-shadow:-4px 6px 18px rgba(0,0,0,.35)}
.swatch-fan i::after{content:"";position:absolute;left:50%;bottom:5%;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--carbon);box-shadow:inset 0 0 0 2px rgba(255,255,255,.4)}
.tip-img .slab{z-index:2}

/* ---------- SKU modal extras ---------- */
.skm-media{background:#fff}
.skm-type{background:var(--carbon)}
.skm-dot{display:inline-block;width:12px;height:12px;border:1px solid rgba(255,255,255,.5);vertical-align:-1px}
.skm-cert{margin-top:12px;font-size:13.5px;line-height:1.5;color:#E6E3DD;padding-left:10px;border-left:2px solid var(--beam)}
.skm-w{display:inline-flex;align-items:stretch;border:1px solid rgba(255,255,255,.35);height:48px}
.skm-w span{display:flex;align-items:center;font:600 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#D9D6D0;padding:0 12px}
.skm-w button{padding:0 14px;font:600 13px/1 var(--mono);color:#fff;border-left:1px solid rgba(255,255,255,.2)}
.skm-w button.on{background:#fff;color:var(--carbon)}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1060px){
  .rays{grid-template-columns:1fr 1fr}
  .ray-card.is-3600{grid-column:1/-1}
  .idea.i0{grid-column:1/13;min-height:460px}
  .idea.i1{grid-column:1/7}.idea.i2{grid-column:7/13}
  .lab-grid{grid-template-columns:1fr}
  .stage-col{position:relative;top:auto}
}
@media(max-width:820px){
  .hero-img{object-position:74% 50%}
  .hero h1{font-size:clamp(40px,11.6vw,64px)}
  html[lang^="zh"] .hero h1{font-size:clamp(40px,11vw,58px)}
  .hero-spec{height:5px}
  .rays{grid-template-columns:1fr}
  .ray-card figcaption{padding:16px 16px 18px}
  .tech-row{grid-template-columns:1fr}
  .tech+.tech{padding-left:0;border-left:0;border-top:1px solid var(--hair)}
  .stop{grid-template-columns:1fr}
  .stop-r li{flex-direction:column;align-items:flex-start;gap:4px}
  .stop-r li span{text-align:left}
  .stop-go{min-height:44px;display:inline-flex;align-items:center}
  .stage-col{position:sticky;top:var(--nav);z-index:4;background:var(--carbon);margin-inline:calc(var(--pad) * -1);padding:0 var(--pad) 10px}
  .stage{--br:130px;aspect-ratio:16/10}
  .toggles{gap:8px}
  .seg{flex:1 1 100%}
  .seg button{flex:1;padding:0 10px;font-size:12px}
  .seg-l{font-size:12px;padding:0 10px}
  .st-edge{font-size:12px}
  .sws{grid-template-columns:repeat(6,minmax(0,1fr))}
  .lab .readout{grid-template-columns:1fr 1fr}
  .lab .readout .r1{grid-column:1/-1}
  .lab .readout>div+div{border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .lab .readout>div:nth-child(3){border-left:1px solid rgba(255,255,255,.14)}
  .rd-open{min-height:48px;display:flex;align-items:center;font-size:12px}
  .lab-note{font-size:14px}
  .cut-grid{grid-template-columns:1fr}
  .cut-fig{margin-bottom:70px}
  .cut-inset{width:52%;border-width:6px;right:0}
  .cut-fig figcaption{width:44%;font-size:12px}
  .cut-list .n{font-size:36px;min-width:46px}
  .idea{min-height:380px}
  .idea.i0{min-height:440px}
  .idea.i1,.idea.i2{grid-column:1/13}
  .idea .ai,.idea .k,.idea .dots a{font-size:12px}
  .lu-bar{flex-direction:column;align-items:flex-start}
  .lu-f{width:100%}.lu-f button{flex:1;font-size:12px;padding:0 8px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .c-body{padding:10px 10px 8px}
  .c-sku{font-size:13.5px}
  .c-nm{font-size:15px}
  .swatch-fan i{width:48px;margin-left:-24px;height:68%}
  .skm-w{width:100%}.skm-w button{flex:1}
  .skm-w span,.skm-cert{font-size:12px}
  .skm-cert{font-size:14px}
}
@media(hover:none){.stage{cursor:default}}

/* ---------- round 1 fixes ---------- */
/* dark-section emphasis = white bold (same rule as 9600 after user feedback: pink/red text on carbon reads cheap) */
.hero-sub b,.dark .chap p b,.tip-body>p b,.tl p b,.cta-box p b,.idea p b{color:#fff}
/* keep the helmet visible: slabs pushed to the right edge, scrim lighter on the right */
.hero-slab.a{right:-2%;width:clamp(50px,6vw,110px)}
.hero-slab.b{right:calc(-2% + clamp(50px,6vw,110px) + 10px);width:clamp(8px,1vw,16px)}
.hero-shade{background:linear-gradient(90deg,#0B0B0Df6 0%,#0B0B0Dd8 34%,#0B0B0D55 58%,#0B0B0D00 78%),linear-gradient(0deg,#0B0B0Df2 0%,#0B0B0D70 26%,transparent 50%)}
.hero-ghost{opacity:.05}
.swatch-fan i{bottom:16%;height:60%}
@media(max-width:820px){
  .hero-slab.a{right:-8%;width:56px;opacity:.85}.hero-slab.b{right:calc(-8% + 64px);width:8px}
  .hero-shade{background:linear-gradient(0deg,#0B0B0Df8 0%,#0B0B0De6 46%,#0B0B0D8a 70%,#0B0B0D20 100%)}
}
/* dark chapter heads: .dark sits on .chap itself */
.chap.dark h2{color:#fff}.chap.dark p{color:#CFCCC6}.chap.dark .no small{color:#A9A6A0}
.sw em{font-size:12px;padding:1px 3px;right:1px;top:1px}
/* sticky stage on phones needs a non-scrolling ancestor (overflow:hidden breaks sticky) */
.lab{overflow:clip}
@media(max-width:820px){
  .stage-col{display:contents}
  .stage-wrap{position:sticky;top:var(--nav);z-index:4;background:var(--carbon);margin-inline:calc(var(--pad) * -1);padding:0 var(--pad) 8px}
}
@media(max-width:820px){.lab .readout .k{font-size:12px}}

/* ==========================================================================
   ROUND 2 — polish & motion (2026-09-24). Every effect is desktop-pointer only where it needs a pointer,
   and collapses to a static state under prefers-reduced-motion.
   ========================================================================== */

/* ---------- hero: flash reveal, word-by-word title, cursor light, parallax ---------- */
.hero-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:3}
.hero.ready .hero-flash{animation:hflash 1.5s var(--ease) .1s both}
@keyframes hflash{0%{opacity:0}7%{opacity:.82}18%{opacity:.12}100%{opacity:0}}
.hero-spot{position:absolute;inset:0;pointer-events:none;z-index:1;opacity:0;transition:opacity .5s;mix-blend-mode:screen;
  background:radial-gradient(circle clamp(180px,22vw,320px) at var(--sx,70%) var(--sy,50%),rgba(255,238,196,.34),rgba(255,238,196,.08) 55%,transparent 72%)}
.hero.lit .hero-spot{opacity:1}
.hero-img{translate:calc(var(--mx,0) * -16px) calc(var(--my,0) * -10px);transition:opacity 1.4s var(--ease),transform 2.2s var(--ease),translate .8s var(--ease)}
.hero-ghost{translate:calc(var(--mx,0) * 26px) calc(var(--my,0) * 14px);transition:translate 1s var(--ease)}
.hero h1 span{overflow:hidden;padding:.02em .08em .06em 0;margin-right:-.08em}
.hero h1 .wd{display:inline-block;transform:translateY(112%);opacity:0}
.hero.ready h1 .wd{animation:wdIn .9s var(--ease) both;animation-delay:calc(.3s + var(--d) * .08s)}
.hero.ready h1 .l2 .wd{animation-delay:calc(.55s + var(--d) * .08s)}
@keyframes wdIn{from{transform:translateY(112%);opacity:0}to{transform:none;opacity:1}}
.hero-spec i{transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease);transition-delay:calc(1s + var(--i) * 28ms)}
.hero.ready .hero-spec i{transform:none}
.hero-stats li{opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease),transform .7s var(--ease)}
.hero.ready .hero-stats li{opacity:1;transform:none}
.hero.ready .hero-stats li:nth-child(1){transition-delay:.9s}.hero.ready .hero-stats li:nth-child(2){transition-delay:1s}.hero.ready .hero-stats li:nth-child(3){transition-delay:1.1s}.hero.ready .hero-stats li:nth-child(4){transition-delay:1.2s}
.hero-eb,.hero-plate,.hero-sub,.hero-scope,.hero-cta{opacity:0;transform:translateY(12px);transition:opacity .7s var(--ease),transform .8s var(--ease)}
.hero.ready .hero-eb,.hero.ready .hero-plate,.hero.ready .hero-sub,.hero.ready .hero-scope,.hero.ready .hero-cta{opacity:1;transform:none}
.hero.ready .hero-eb{transition-delay:.15s}.hero.ready .hero-plate{transition-delay:.25s}.hero.ready .hero-sub{transition-delay:.95s}.hero.ready .hero-scope{transition-delay:1.05s}.hero.ready .hero-cta{transition-delay:1.15s}

/* ---------- buttons: light sweep ---------- */
.btn-red{position:relative;overflow:hidden}
.btn-red::before{content:"";position:absolute;top:-10%;bottom:-10%;left:-45%;width:34%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg);transition:left .55s var(--ease);pointer-events:none}
.btn-red:hover::before{left:125%}
.btn-red>*{position:relative}

/* ---------- chapter heads: number slides in, title underline grows ---------- */
.chap .no{transition:opacity .7s var(--ease),transform .8s var(--ease)}
.chap.rv:not(.on) .no{opacity:0;transform:translateX(-28px)}
.chap h2{position:relative}
.chap h2::after{content:"";display:block;width:64px;height:4px;background:var(--red);margin-top:10px;transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease) .35s}
.chap.on h2::after{transform:none}
.chap p{margin-top:12px}

/* ---------- section edges: paper cuts into carbon on a diagonal ---------- */
.lab::after,.ideas::before{content:"";position:absolute;left:0;top:-1px;width:100%;height:clamp(26px,4vw,64px);background:var(--paper);clip-path:polygon(0 0,100% 0,100% 100%);pointer-events:none;z-index:1}
.ideas{overflow:clip}

/* ---------- 01: looping light rays, twinkling beads, card lift ---------- */
.ray-card{transition:opacity .7s var(--ease),transform .9s var(--ease),box-shadow .4s}
.rays .ray-card:nth-child(2){transition-delay:.1s}.rays .ray-card:nth-child(3){transition-delay:.2s}
.ray-card:hover{box-shadow:0 18px 40px rgba(0,0,0,.14)}
.ray-card.is-3600:hover{box-shadow:0 0 0 2px var(--carbon),0 18px 40px rgba(0,0,0,.18)}
.ray-card.go .ray.in{animation:rayIn 3.4s var(--ease) infinite}
.ray-card.go .ray.out{animation:rayOut 3.4s var(--ease) infinite;transition:none}
.ray-card.go .lamp{animation:lampPulse 3.4s ease-in-out infinite;transform-origin:46px 42px}
.ray-card.is-3600.go .eye{animation:eyeFlare 3.4s ease-in-out infinite}
@keyframes rayIn{0%{stroke-dashoffset:190;opacity:1}26%{stroke-dashoffset:0;opacity:1}82%{stroke-dashoffset:0;opacity:1}92%,100%{stroke-dashoffset:0;opacity:0}}
@keyframes rayOut{0%,24%{stroke-dashoffset:190;opacity:1}50%{stroke-dashoffset:0;opacity:1}82%{opacity:1}92%,100%{stroke-dashoffset:0;opacity:0}}
@keyframes lampPulse{0%,20%{filter:drop-shadow(0 0 0 rgba(255,217,90,0))}6%{filter:drop-shadow(0 0 10px rgba(255,217,90,.9))}}
@keyframes eyeFlare{0%,44%{filter:none}54%{filter:drop-shadow(0 0 10px #FFD95A) drop-shadow(0 0 24px #FFD95A)}82%{filter:drop-shadow(0 0 6px #FFD95A)}92%,100%{filter:none}}
.ray-card.go .bead{animation:twinkle 2.6s ease-in-out infinite;animation-delay:calc(var(--i) * -.19s)}
@keyframes twinkle{0%,100%{opacity:.55}50%{opacity:1;filter:drop-shadow(0 0 3px #fff)}}
.tech{transition:opacity .7s var(--ease),transform .8s var(--ease)}
.tech .n{display:inline-block;transition:transform .3s var(--ease)}
.tech:hover .n{transform:translateX(4px)}
.stop-r li{transition:padding-left .3s var(--ease),color .3s}
.stop-r li:hover{padding-left:8px}
.stop-r li:hover b{color:var(--beam)}

/* ---------- 02: bead shimmer, floor glow, camera flash, swatch ping, readout tick ---------- */
.stage{box-shadow:0 30px 70px rgba(0,0,0,.45),inset 0 0 120px rgba(0,0,0,.35)}
.stage.night .st-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 70% at 50% 40%,transparent 50%,rgba(0,0,0,.55))}
.t-lit .w{animation:shimmer 1.4s steps(3) infinite}
@keyframes shimmer{0%{background-position:0 0,2.5px 2.5px,0 0}33%{background-position:1px 2px,0 1px,0 0}66%{background-position:2px 0,3px 3px,0 0}100%{background-position:0 0,2.5px 2.5px,0 0}}
.st-floor{position:absolute;left:0;right:0;bottom:0;height:38%;pointer-events:none;mix-blend-mode:screen;opacity:.22;transition:opacity .5s;
  background:radial-gradient(55% 100% at var(--lx,50%) 100%,var(--lit),transparent 70%)}
.stage[data-eye="off"] .st-floor{opacity:.05}
.stage.day .st-floor{opacity:0}
.st-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:3}
.stage.flash .st-flash{animation:camflash 1.1s var(--ease) both}
@keyframes camflash{0%{opacity:0}6%{opacity:.95}16%{opacity:.18}100%{opacity:0}}
.stage.flash .t-lit{opacity:1 !important;-webkit-mask-image:none !important;mask-image:none !important;filter:brightness(1.35)}
.stage.flash .st-floor{opacity:.5 !important}
.flash-btn{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:0 16px;border:1px solid rgba(255,255,255,.3);font:600 12.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#E6E3DD;transition:border-color .2s,background .2s,color .2s;position:relative;overflow:hidden}
.flash-btn i{width:10px;height:10px;background:var(--beam);clip-path:polygon(50% 0,64% 36%,100% 50%,64% 64%,50% 100%,36% 64%,0 50%,36% 36%);transition:transform .3s}
.flash-btn:hover{border-color:var(--beam);color:#fff}
.flash-btn:hover i{transform:rotate(45deg) scale(1.2)}
.flash-btn:active{background:rgba(255,217,90,.16)}
.sw{position:relative}
.sw.on::after{content:"";position:absolute;inset:-1px;border:2px solid var(--red);animation:ping .9s var(--ease) both;pointer-events:none}
@keyframes ping{from{transform:scale(1);opacity:1}to{transform:scale(1.35);opacity:0}}
.sw i{transition:transform .25s var(--ease)}
.sw:hover i{transform:scale(1.08)}
.lab .readout .v.tick,.lab .readout .nm.tick{animation:tick .45s var(--ease)}
@keyframes tick{0%{opacity:.2;transform:translateY(5px)}100%{opacity:1;transform:none}}
#cutTxt{transition:border-color .2s,box-shadow .3s}
#cutTxt:focus{box-shadow:0 0 0 3px rgba(227,32,39,.22)}
.seg button{position:relative}
.seg button.on{box-shadow:inset 0 -3px 0 var(--red)}

/* ---------- 03: magnifier, staggered steps ---------- */
.cut-fig>img{transition:filter .4s}
.cut-fig.zoom>img{filter:brightness(.85)}
.cut-fig .lens{position:absolute;width:190px;height:190px;border-radius:50%;border:3px solid #fff;box-shadow:0 14px 40px rgba(0,0,0,.4),inset 0 0 0 1px rgba(0,0,0,.2);background:#000 no-repeat;transform:translate(-50%,-50%);opacity:0;pointer-events:none;transition:opacity .25s;z-index:3}
.cut-fig.zoom .lens{opacity:1}
.cut-fig .lens span{position:absolute;right:18px;bottom:14px;font:700 12px/1 var(--mono);letter-spacing:.14em;color:#fff;background:var(--red);padding:5px 7px}
.lens-hint{position:absolute;left:14px;top:14px;font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(11,11,13,.72);padding:7px 9px;display:inline-flex;align-items:center;gap:8px;transition:opacity .3s}
.lens-hint::before{content:"";width:8px;height:8px;border-radius:50%;border:2px solid var(--beam)}
.cut-fig.zoom .lens-hint{opacity:0}
@media(hover:none){.lens-hint,.cut-fig .lens{display:none}}
.cut-list li{transition:opacity .7s var(--ease),transform .8s var(--ease)}
.cut-list li:nth-child(2){transition-delay:.1s}.cut-list li:nth-child(3){transition-delay:.2s}.cut-list li:nth-child(4){transition-delay:.3s}
.cut-list li .n{transition:transform .35s var(--ease),color .3s}
.cut-list li:hover .n{transform:translateX(6px)}

/* ---------- 04: pointer parallax + headlight sweep on tiles ---------- */
.idea img{transform:scale(1.08) translate(calc(var(--ix,0) * -14px),calc(var(--iy,0) * -10px));transition:transform .6s var(--ease)}
.idea:hover img{transform:scale(1.1) translate(calc(var(--ix,0) * -14px),calc(var(--iy,0) * -10px))}
.idea::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(105deg,transparent 42%,rgba(255,244,214,.22) 50%,transparent 58%);transform:translateX(-130%)}
.idea:hover::after{animation:sweep 1.1s var(--ease)}
@keyframes sweep{to{transform:translateX(130%)}}
.idea .dots a i{transition:transform .25s var(--ease)}
.idea .dots a:hover i{transform:scale(1.5)}
.idea-grid .idea:nth-child(2){transition-delay:.1s}.idea-grid .idea:nth-child(3){transition-delay:.2s}

/* ---------- 05: cards stagger in, colour line + image sweep on hover ---------- */
.cards:not(.on) .card{opacity:0}
.cards.on .card{animation:cardIn .7s var(--ease) backwards;animation-delay:calc(var(--i) * 32ms)}
@keyframes cardIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.card{position:relative}
.card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--c,var(--red));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);z-index:2}
.card:hover::before{transform:none}
.card:hover{border-color:var(--c,var(--ink));transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.1)}
.c-img::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%);transform:translateX(-130%);pointer-events:none}
.card:hover .c-img::after{animation:sweep .9s var(--ease)}
.c-dot{transition:transform .3s var(--ease)}
.card:hover .c-dot{transform:scale(1.25)}
.lu-f button{transition:background .2s,color .2s}

/* ---------- 06: fan opens on scroll ---------- */
.swatch-fan i{transform:rotate(0deg);transition:transform 1s var(--ease);transition-delay:calc(var(--i) * 34ms)}
.tip.go .swatch-fan i{transform:rotate(calc((var(--i) - 11) * 5.2deg))}
.tl li{transition:opacity .6s var(--ease),transform .7s var(--ease)}
.tl li .st{transition:transform .3s var(--ease)}
.tl li:hover .st{transform:scale(1.12)}

/* ---------- CTA ---------- */
.cta-box{transition:opacity .7s var(--ease),transform .9s var(--ease)}
.cta-box .ghost{transition:transform 1.2s var(--ease)}
.cta-box:hover .ghost{transform:translateX(12px)}

/* ---------- reduced motion: everything static ---------- */
@media(prefers-reduced-motion:reduce){
  .hero-flash,.hero.ready .hero-flash{animation:none;opacity:0}
  .hero h1 .wd,.hero.ready h1 .wd{animation:none;transform:none;opacity:1}
  .hero-spec i,.hero-stats li,.hero-eb,.hero-plate,.hero-sub,.hero-scope,.hero-cta{transition:none;opacity:1;transform:none}
  .hero-img,.hero-ghost{translate:0 0}
  .ray-card.go .ray,.ray-card.go .lamp,.ray-card.go .eye,.ray-card.go .bead,.t-lit .w{animation:none}
  .cards:not(.on) .card{opacity:1}.cards.on .card{animation:none}
  .swatch-fan i{transition:none;transform:rotate(calc((var(--i) - 11) * 5.2deg))}
  .chap.rv:not(.on) .no{opacity:1;transform:none}
  .idea::after,.c-img::after,.btn-red::before{display:none}
}
@media(max-width:820px){
  .hero h1 span{padding-right:0;margin-right:0}
  .flash-btn{flex:1 1 100%;justify-content:center}
  .lab::after,.ideas::before{height:22px}
  .cards.on .card{animation-delay:calc(var(--i) * 18ms)}
}
@media(max-width:820px){.cut-fig .lens,.lens-hint{display:none}}

/* ==========================================================================
   ROUND 3 — /xtreme/ + /ppf/ motion vocabulary (2026-09-24): hero lines rise 70px with a -4° skew (.85s, 0.11s apart),
   hero drifts on scroll, progress bar = red gradient + glow. The whole-page scroll reveal itself is injected by app.js.
   ========================================================================== */
@keyframes rise{from{opacity:0;transform:translateY(70px) skewX(-4deg)}to{opacity:1;transform:none}}
@keyframes wdIn{from{opacity:0;transform:translateY(70px) skewX(-4deg)}to{opacity:1;transform:none}}
.hero h1 span{overflow:visible;padding:0;margin-right:0}
.hero.ready .hero-eb,.hero.ready .hero-plate,.hero.ready .hero-sub,.hero.ready .hero-scope,.hero.ready .hero-cta{transition:none;animation:rise .85s cubic-bezier(.16,1,.3,1) both}
.hero.ready .hero-eb{animation-delay:.06s}.hero.ready .hero-plate{animation-delay:.17s}
.hero.ready h1 .wd{animation:wdIn .85s cubic-bezier(.16,1,.3,1) both;animation-delay:calc(.28s + var(--d) * .11s)}
.hero.ready h1 .l2 .wd{animation-delay:calc(.39s + var(--d) * .11s)}
.hero.ready .hero-sub{animation-delay:.61s}.hero.ready .hero-scope{animation-delay:.72s}.hero.ready .hero-cta{animation-delay:.83s}
.hero-body{will-change:transform,opacity}
.hero-img{translate:calc(var(--mx,0) * -16px) calc(var(--my,0) * -10px + var(--scy,0px))}
.prog{background:rgba(255,255,255,.06)}
.prog i{background:linear-gradient(90deg,#E32027,#ff5a60);box-shadow:0 0 12px rgba(227,32,39,.6)}
@media(prefers-reduced-motion:reduce){
  .hero.ready .hero-eb,.hero.ready .hero-plate,.hero.ready .hero-sub,.hero.ready .hero-scope,.hero.ready .hero-cta,.hero.ready h1 .wd{animation:none;opacity:1;transform:none}
}

/* ---------- SKU click → the series page's own modal, embedded in place (2026-09-24) ---------- */
.skx{position:fixed;inset:0;z-index:9500;background:rgba(6,6,8,.55);display:flex;align-items:center;justify-content:center}
.skx.on{background:transparent}
.skx iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;opacity:0;transition:opacity .35s}
.skx.on iframe{opacity:1}
.skx-load{font:600 12px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#fff;display:flex;align-items:center;gap:12px}
.skx-load i{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:var(--red);border-radius:50%;animation:skxspin .8s linear infinite}
.skx.on .skx-load{display:none}
@keyframes skxspin{to{transform:rotate(360deg)}}

/* ==========================================================================
   HERO LINE-UP (2026-09-24) — #top = scroll-scrub video (.hv-b); the page closes with .hv-c (decal) → .hv-a (helmet, the
   original rules above apply untouched) → .hv-d (colour wall). Rules are scoped per block with .hero.hv-x.
   ========================================================================== */
/* the closing slot: three blocks stacked in one grid cell, one visible at a time (cross-fade), tabs with a 6 s progress line */
.hero-rot{position:relative;display:grid;background:var(--carbon);border-top:1px solid rgba(255,255,255,.14);overflow:hidden}
.hero-rot .hero{grid-area:1/1;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .9s var(--ease),visibility 0s .9s}
.hero-rot .hero.on{opacity:1;visibility:visible;pointer-events:auto;z-index:1;transition:opacity .9s var(--ease)}
.hero-rot .hero .hero-body{padding-top:clamp(110px,15vh,170px)}
.hero-tabs{position:absolute;left:var(--pad);top:clamp(22px,3vw,40px);z-index:5;display:flex;gap:26px}
.hero-tabs button{position:relative;display:flex;align-items:baseline;gap:10px;padding:0 0 10px;font:600 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:#D9D6D0;text-shadow:0 1px 8px rgba(0,0,0,.8);transition:color .3s}
.hero-tabs button b{font-family:var(--disp);font-style:italic;font-weight:800;font-size:22px;letter-spacing:0;color:#D9D6D0;line-height:1;transition:color .3s}
.hero-tabs button::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(255,255,255,.18)}
.hero-tabs button i{position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--red);transform-origin:left;transform:scaleX(0);z-index:1}
.hero-tabs button.on,.hero-tabs button:hover{color:#fff}
.hero-tabs button.on b{color:var(--red-t)}
.hero-tabs button.on i{animation:tabfill 6s linear both}
.hero-rot.paused .hero-tabs button.on i{animation-play-state:paused}
@keyframes tabfill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero-tabs button:focus-visible{outline:2px solid #fff;outline-offset:4px}
html[lang^="zh"] .hero-tabs button{font-family:var(--body);font-weight:700;letter-spacing:.14em;font-size:13px}
@media(max-width:820px){
  .hero-tabs{top:18px;gap:16px;right:var(--pad)}
  .hero-tabs button{gap:7px;font-size:11px;letter-spacing:.14em;padding-bottom:8px}
  .hero-tabs button b{font-size:18px}
  html[lang^="zh"] .hero-tabs button{font-size:12.5px;letter-spacing:.08em}
  .hero-rot .hero .hero-body{padding-top:96px}
}
@media(prefers-reduced-motion:reduce){.hero-rot .hero{transition:none}.hero-tabs button i{display:none}}

/* ---- b: scroll-scrub headlight video (top hero) ------------------------------------------------------------- */
.hero-pin{position:relative}
.hero-pin .hero{position:sticky;top:var(--nav);min-height:calc(100svh - var(--nav))}   /* min-height, never a fixed height: a short window must not clip the copy (it grows and scrolls instead) */
/* short windows / zoomed browsers: tighten the top hero so eyebrow → stats fit one screen */
@media(max-height:760px) and (min-width:821px){
  .hero.hv-b .hero-body{padding-top:clamp(72px,10vh,100px);padding-bottom:22px}
  .hero.hv-b h1{font-size:clamp(44px,7vw,92px);margin:12px 0 6px}
  html[lang^="zh"] .hero.hv-b h1{font-size:clamp(44px,7vw,92px)}
  .hero.hv-b .hero-plate{margin:8px 0 0}
  .hero.hv-b .hero-sub{margin-top:10px;font-size:16px;line-height:1.5}
  .hero.hv-b .hero-scope{margin-top:10px;padding:8px 12px 8px 14px;font-size:13.5px;line-height:1.45}
  .hero.hv-b .hero-cta{margin-top:16px}
  .hero.hv-b .hero-ghost{display:none}
  .hero.hv-b .hero-stats li{padding:11px 16px 11px 0}
  .hero.hv-b .hero-stats b{font-size:28px}
  .hero-scrubhint{bottom:calc(70px + 1.2vw)}
}
.hero-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%;z-index:0;opacity:0;transition:opacity .9s var(--ease)}
.hero.vid-on .hero-vid{opacity:1}
.hero-vid.m{object-position:50% 50%}
.hero.hv-b .hero-img{object-position:62% 50%}
.hero.hv-b .hero-beam,.hero.hv-b .hero-spot{display:none}
.hero.hv-b .hero-shade{z-index:1;background:linear-gradient(90deg,#0B0B0Df2 0%,#0B0B0Dc8 30%,#0B0B0D40 56%,#0B0B0D00 76%),linear-gradient(0deg,#0B0B0Df2 0%,#0B0B0D60 26%,transparent 50%)}
.hero.hv-b .hero-slab,.hero.hv-b .hero-ghost{z-index:1}
.hero-scrubhint{position:absolute;right:calc(var(--pad) + 120px);bottom:calc(88px + 2.2vw);z-index:3;display:flex;flex-direction:column;align-items:flex-end;gap:8px;font:600 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.8);transition:opacity .4s}
.hero-scrubhint i{display:block;width:180px;height:2px;background:rgba(255,255,255,.22);overflow:hidden}
.hero-scrubhint b{display:block;height:100%;width:100%;background:var(--red);transform-origin:left;transform:scaleX(0)}
.hero-scrubhint::after{content:"";width:1px;height:26px;background:linear-gradient(#fff,transparent);animation:drop 1.6s var(--ease) infinite}
.hero-scrubhint.done::after{animation:none;opacity:0}
html[lang^="zh"] .hero-scrubhint{letter-spacing:.14em;font-family:var(--body);font-weight:700;font-size:13px}
@media(max-width:820px){
  .hero.hv-b .hero-shade{background:linear-gradient(0deg,#0B0B0Df8 0%,#0B0B0De6 46%,#0B0B0D80 70%,#0B0B0D20 100%)}
  /* phones: the hint sits top-right above the copy, the progress line under it */
  .hero-scrubhint{right:var(--pad);bottom:auto;top:16px;gap:6px;font-size:10.5px;letter-spacing:.14em}
  html[lang^="zh"] .hero-scrubhint{font-size:12px;letter-spacing:.06em}
  .hero-scrubhint i{width:110px}
  .hero-scrubhint::after{display:none}
}

/* ---- c: MAXDECAL decal ---------------------------------------------------------------------------------------- */
.hero.hv-c .hero-img{object-position:84% 50%}
.hero-lit{position:absolute;inset:0;z-index:1;background-size:cover;background-position:84% 50%;opacity:0;pointer-events:none;transition:opacity .45s var(--ease);
  translate:calc(var(--mx,0) * -16px) calc(var(--my,0) * -10px + var(--scy,0px));
  -webkit-mask-image:radial-gradient(circle var(--lr,clamp(240px,30vw,470px)) at var(--sx,75%) var(--sy,46%),#000 0 40%,transparent 76%);mask-image:radial-gradient(circle var(--lr,clamp(240px,30vw,470px)) at var(--sx,75%) var(--sy,46%),#000 0 40%,transparent 76%)}
.hero-pad{display:none}
.hero.lit .hero-lit,.hero.auto .hero-lit{opacity:1}
.hero.ready .hero-lit.boot{-webkit-mask-image:none;mask-image:none;animation:litboot 1.9s var(--ease) .15s both}
@keyframes litboot{0%{opacity:0}12%{opacity:1}55%{opacity:1}100%{opacity:0}}
.hero.hv-c .hero-shade{background:linear-gradient(90deg,#0B0B0Df4 0%,#0B0B0De2 40%,#0B0B0D70 58%,#0B0B0D00 72%),linear-gradient(0deg,#0B0B0Df2 0%,#0B0B0D66 24%,transparent 46%)}
.hero.hv-c .hero-slab.a{right:-3%;width:clamp(40px,4.6vw,84px)}
.hero.hv-c .hero-slab.b{right:calc(-3% + clamp(40px,4.6vw,84px) + 8px)}
.hero.hv-c .hero-ghost{display:none}
.hero.hv-c h1{font-size:clamp(52px,7.1vw,108px)}
html[lang^="zh"] .hero.hv-c h1{font-size:clamp(46px,6.2vw,96px)}
.hero.hv-c .hero-eb{gap:14px;padding:6px 12px 6px 8px}
.hero.hv-c .hero-eb::before{display:none}
.hero.hv-c .hero-eb img{display:block;width:88px;height:auto}
.hero-lithint{position:absolute;right:calc(var(--pad) + 120px);bottom:calc(28px + 2.2vw);z-index:3;font:600 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.8);display:flex;align-items:center;gap:10px}
.hero-lithint::before{content:"";width:28px;height:2px;background:var(--red)}
html[lang^="zh"] .hero-lithint{letter-spacing:.14em;font-family:var(--body);font-weight:700;font-size:13px}
.hero-clogo{display:none}
@media(max-width:820px){
  /* the van (and its badge) fill the top half; the photo and the lit exposure share one box so they line up pixel for pixel */
  .hero.hv-c .hero-img,.hero.hv-c .hero-lit{top:0;bottom:auto;height:54%;object-position:100% 46%;background-position:100% 46%}
  .hero.hv-c .hero-img{inset:0 0 auto 0}
  .hero.hv-c .hero-lit{--lr:128px;inset:0 0 auto 0}
  .hero.hv-c .hero-shade{background:linear-gradient(180deg,#0B0B0D66 0%,transparent 14%,transparent 38%,#0B0B0Dcc 50%,#0B0B0D 58%)}
  .hero.hv-c .hero-slab{display:none}
  .hero.hv-c .hero-spot{display:none}   /* its coordinates are the whole hero; the lit band is the light here */
  .hero-pad{display:block;position:absolute;left:0;right:0;top:0;height:54%;z-index:3;touch-action:none}
  .hero-lithint{right:auto;left:var(--pad);bottom:auto;top:calc(54% - 34px);font-size:11px;letter-spacing:.14em;gap:8px}
  html[lang^="zh"] .hero-lithint{font-size:12.5px;letter-spacing:.06em}
  .hero-lithint::before{width:20px}
  .hero.hv-c h1{font-size:clamp(44px,13vw,64px)}
  html[lang^="zh"] .hero.hv-c h1{font-size:clamp(40px,11vw,58px)}
  .hero.hv-c .hero-eb{display:none}
}

/* ---- d: 23-colour reflective wall ------------------------------------------------------------------------------ */
.hero.hv-d .hero-img{opacity:.55;object-position:70% 40%}
.hero.hv-d.ready .hero-img{opacity:.55}
.hero.hv-d .hero-shade{background:linear-gradient(90deg,#0B0B0Df6 0%,#0B0B0De0 40%,#0B0B0D70 58%,#0B0B0D20 100%),linear-gradient(0deg,#0B0B0Df4 0%,#0B0B0D70 26%,transparent 50%)}
.hero.hv-d .hero-slab,.hero.hv-d .hero-ghost,.hero.hv-d .hero-beam{display:none}
.hero.hv-d h1{font-size:clamp(52px,7.9vw,128px)}
html[lang^="zh"] .hero.hv-d h1{font-size:clamp(46px,7vw,112px)}
.hero-wall{position:absolute;right:0;top:0;bottom:0;width:min(56vw,940px);z-index:1;pointer-events:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 32%);mask-image:linear-gradient(90deg,transparent 0,#000 32%)}
.hero-wall .slats{position:absolute;left:4%;right:-6%;top:12%;bottom:22%;display:flex;align-items:flex-end;gap:.55%;transform:skewX(-14deg);pointer-events:auto}
.hero-wall .slats i{--k:0;flex:1 1 0;min-width:0;height:var(--hh,62%);position:relative;background:var(--c);
  background:color-mix(in srgb,var(--l) calc(var(--k) * 100%),var(--c));
  box-shadow:0 0 calc(var(--k) * 34px) calc(var(--k) * 4px) color-mix(in srgb,var(--l) 70%,transparent);
  transform-origin:bottom;opacity:0;transform:translateY(40px);transition:background .18s linear,box-shadow .18s linear,filter .18s linear;filter:brightness(calc(.72 + var(--k) * .5))}
.hero.ready .hero-wall .slats i{animation:slatIn .9s var(--ease) both;animation-delay:calc(.25s + var(--i) * 32ms)}
@keyframes slatIn{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:none}}
/* the glossy film line (see web-a: a thin white core at ~80 %, only 52 % of the height, not to the edges) */
.hero-wall .slats i::after{content:"";position:absolute;top:0;bottom:0;left:0;right:0;pointer-events:none;
  background:linear-gradient(90deg,transparent 0 76%,rgba(0,0,0,.14) 78%,rgba(255,255,255,.92) 80%,rgba(255,255,255,.2) 81%,transparent 83%,rgba(255,255,255,.28) 88%,transparent 90%);
  -webkit-mask-image:linear-gradient(transparent 0,#000 24%,#000 76%,transparent 100%);mask-image:linear-gradient(transparent 0,#000 24%,#000 76%,transparent 100%)}
.hero-wall .wallk{position:absolute;left:4%;bottom:12.5%;display:flex;align-items:baseline;gap:14px;font:600 11.5px/1 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.8);white-space:nowrap}
.hero-wall .wallk b{font-family:var(--disp);font-style:italic;font-weight:800;font-size:clamp(26px,2.6vw,38px);letter-spacing:0;text-transform:none;line-height:1}
.hero-wall .wallk .sku{padding-left:14px;border-left:2px solid var(--red);min-width:22ch}
.hero-wall .wallk em{font-style:normal;color:#D9D6D0;letter-spacing:.16em}
html[lang^="zh"] .hero-wall .wallk{font-family:var(--body);font-weight:700;letter-spacing:.12em;font-size:13px}
html[lang^="zh"] .hero-wall .wallk .sku{font-family:var(--mono);font-weight:600}
.hero-wallnote{position:absolute;right:calc(var(--pad) + 24px);top:clamp(22px,3vw,40px);z-index:3;max-width:34ch;font:500 12px/1.5 var(--mono);color:#D9D6D0;text-align:right;text-shadow:0 1px 8px rgba(0,0,0,.8)}
html[lang^="zh"] .hero-wallnote{font-family:var(--body);font-size:13px}
@media(max-width:1100px){.hero-wall{width:52vw}.hero-wall .wallk .sku{min-width:0}.hero-wall .wallk em{display:none}}
@media(max-width:820px){
  .hero.hv-d .hero-img{object-position:50% 30%}
  .hero.hv-d .hero-shade{background:linear-gradient(0deg,#0B0B0Df8 0%,#0B0B0De6 46%,#0B0B0D8a 70%,#0B0B0D20 100%)}
  .hero-wall{position:relative;width:100%;height:118px;inset:auto;z-index:2;-webkit-mask-image:none;mask-image:none;margin-top:-8px}
  .hero-wall{pointer-events:auto}
  .hero-wall .slats{left:var(--pad);right:var(--pad);top:0;bottom:40px;gap:3px;transform:skewX(-8deg);touch-action:none}
  .hero-wall .slats i{height:calc(70% + (var(--hh) - 62%) * .5)}
  .hero-wall .wallk{left:var(--pad);bottom:8px;gap:10px}
  .hero-wall .wallk b{font-size:22px}
  .hero-wall .wallk .sku{font-size:12px;padding-left:10px;min-width:0}
  .hero-wallnote{position:static;text-align:left;max-width:none;padding:0 var(--pad) 14px;font-size:12px}
  html[lang^="zh"] .hero-wallnote{font-size:13px}
  .hero.hv-c .hero-body,.hero.hv-a .hero-body,.hero.hv-d .hero-body{padding-top:96px}
}
@media(prefers-reduced-motion:reduce){.hero.ready .hero-wall .slats i{animation:none;opacity:1;transform:none}}