/* getbestinsulations — site styles. Warm ivory + charcoal + restrained red. Large readable type. */
:root{
  --bg:#FAF7F0; --bg-2:#F2EDE3; --surface:#FFFFFF; --line:#E4DDCF; --line-2:#CFC6B4;
  --ink:#1E1E1E; --ink-2:#3A3835; --muted:#625D55;
  --red:#B8102B; --red-d:#940C22; --red-tint:#FBEAEC;
  --ok:#2F6B3A; --warn:#7A5100; --warn-tint:#FFF4DC;
  --radius:10px; --shadow:0 1px 2px rgba(30,25,15,.06),0 6px 18px rgba(30,25,15,.07);
  --wrap:1240px; --gut:24px; --fs:18px;
  --font:"IBM Plex Sans Thai","IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
:lang(zh-Hans){--font:"Noto Sans SC","IBM Plex Sans Thai","PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:150px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--fs)/1.7 var(--font)}
:lang(zh-Hans) body,body:lang(zh-Hans){line-height:1.75}
button,input,select,textarea{font:inherit;color:inherit}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em;font-weight:700}
h1{font-size:44px} h2{font-size:32px} h3{font-size:21px}
.h-sm{font-size:24px} .h-xs{font-size:17px}
p{margin:0 0 1em}
ul,ol{padding-left:1.25em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.wrap.narrow{max-width:860px}
.muted{color:var(--muted)} .small{font-size:15px} .b{font-weight:600}
.en{color:var(--muted);font-weight:500;font-size:.62em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ico{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.ico.lg{width:34px;height:34px;stroke-width:1.5}
:focus-visible{outline:3px solid #1E1E1E;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px}
.skip:focus{left:8px}
[hidden]{display:none!important}

/* buttons, links, chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 22px;border-radius:8px;border:2px solid var(--ink);background:var(--surface);color:var(--ink);font-weight:600;font-size:17px;line-height:1.2;text-decoration:none;cursor:pointer;text-align:center;transition:background .15s,border-color .15s,transform .15s}
.btn:hover{background:var(--bg-2)}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-d);border-color:var(--red-d)}
.btn.ghost{border-color:var(--line-2)}
.btn.sm{min-height:44px;padding:0 16px;font-size:16px}
.btn.block{width:100%}
.link{color:var(--red);font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.link:hover{text-decoration:underline}
.link .ico{width:18px;height:18px}
.inl{color:inherit;text-decoration:underline;text-underline-offset:3px}
.linkbtn{background:none;border:0;color:var(--red);font-weight:600;cursor:pointer;padding:6px;text-decoration:underline}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:0 15px;border:1.5px solid var(--line-2);border-radius:999px;background:var(--surface);text-decoration:none;font-size:16px;color:var(--ink);cursor:pointer}
.chip:hover{border-color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip .ico{width:18px;height:18px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--bg-2);color:var(--ink-2);text-decoration:none}
a.badge:hover{background:var(--line)}
.eyebrow{display:block;font-size:15px;font-weight:600;color:var(--red);margin:0 0 8px;letter-spacing:.01em}

/* header */
.hdr{position:sticky;top:0;z-index:40;background:rgba(250,247,240,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.hdr-in{display:flex;align-items:center;gap:14px;height:76px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:19px;white-space:nowrap;flex:none}
.logo-mark{width:38px;height:38px;border-radius:7px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:14px;letter-spacing:.02em;position:relative;font-family:Arial,Helvetica,sans-serif}
.logo-mark i{position:absolute;right:4px;bottom:4px;width:7px;height:7px;background:var(--red);border-radius:50%}
.logo-inv{color:#fff}.logo-inv .logo-mark{background:#fff;color:var(--ink)}
.nav{display:flex;gap:2px}
.nav>a,.nav>button{background:none;border:0;font-weight:500;font-size:17px;color:var(--ink);padding:12px 12px;border-radius:8px;cursor:pointer;text-decoration:none;display:flex;align-items:center;gap:4px;white-space:nowrap}
.nav>a:hover,.nav>button:hover,.nav>button[aria-expanded=true]{background:var(--bg-2)}
.nav .ico{width:18px;height:18px;transition:transform .15s}
.nav>button[aria-expanded=true] .ico{transform:rotate(180deg)}
.hsearch{flex:1;min-width:160px;max-width:340px;margin-left:auto;position:relative}
.hsearch input{width:100%;height:46px;border:1.5px solid var(--line-2);border-radius:8px;background:var(--surface);padding:0 14px 0 44px;font-size:16px}
.hsearch>.ico{position:absolute;left:13px;top:11px;color:var(--muted)}
.hbtn{display:none;background:none;border:0;padding:10px;border-radius:8px;cursor:pointer;color:var(--ink);min-width:44px;min-height:44px;align-items:center;justify-content:center}
.hbtn:hover{background:var(--bg-2)}
.hdr-line{min-height:46px;padding:0 16px;font-size:16px;white-space:nowrap;flex:none}
.langs{flex:none}
.langs ul{display:flex;flex-wrap:nowrap;list-style:none;margin:0;padding:3px;border:1.5px solid var(--line-2);border-radius:8px;background:var(--surface)}
.langs a{display:grid;place-items:center;min-width:40px;min-height:36px;padding:0 8px;border-radius:6px;text-decoration:none;font-size:15px;font-weight:600;color:var(--muted)}
.langs a:hover{color:var(--ink);background:var(--bg-2)}
.langs a.on{background:var(--ink);color:#fff}
.langs a[data-missing]{opacity:.55}

/* mega menu */
.mega{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(30,25,15,.12);max-height:calc(100vh - 80px);overflow:auto}
.mega .wrap{padding-top:22px;padding-bottom:26px}
.mega-top{display:flex;gap:10px 12px;align-items:center;flex-wrap:wrap;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.mega-top b{margin-right:4px}
.mega-all{margin-left:auto}
.mega-foot{border:0;border-top:1px solid var(--line);margin:18px 0 0;padding:16px 0 0}
.mega-grid{display:grid;grid-template-columns:1fr 220px;gap:28px}
.mega-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 18px}
.mcat{display:flex;gap:12px;padding:12px;border-radius:8px;text-decoration:none}
.mcat:hover{background:var(--bg)}
.mcat .ico{color:var(--red);margin-top:3px}
.mcat b{display:block;font-size:17px;line-height:1.35}
.mcat span span{display:block;font-size:15px;color:var(--muted);line-height:1.45}
.mcol-h{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.03em;margin:8px 0 8px}
.mlist a{display:block;padding:7px 0;text-decoration:none;font-size:16px}
.mlist a:hover{color:var(--red)}
.mega-brands{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);display:flex;gap:8px 22px;flex-wrap:wrap;align-items:center;font-weight:600;font-size:15px}
.mega-brands a{text-decoration:none}.mega-brands a:hover{color:var(--red)}
.mega-sol{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.mega-h{display:flex;gap:8px;align-items:center;font-size:17px;margin-bottom:6px}
.mega-h .ico{color:var(--red)}

/* sections */
section{padding:60px 0}
.sec-tight{padding:40px 0}
.sec-last{padding-bottom:70px}
.band{background:var(--bg-2)}
.sec-h{display:flex;justify-content:space-between;align-items:flex-end;gap:10px 16px;margin-bottom:26px;flex-wrap:wrap}
.sec-h h2{margin:0}
.sec-h p{margin:.3em 0 0;color:var(--muted)}

/* hero */
.hero{padding:44px 0 34px}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:50px;line-height:1.22}
.hero .lead{font-size:21px;color:var(--ink-2);max-width:680px}
.bigsearch{display:flex;align-items:center;gap:8px;max-width:760px;margin:24px 0 14px;background:var(--surface);border:2px solid var(--ink);border-radius:10px;padding:6px 6px 6px 16px;box-shadow:var(--shadow)}
.bigsearch>.ico{color:var(--muted)}
.bigsearch input{flex:1;border:0;background:none;font-size:19px;min-height:52px;min-width:0}
.bigsearch input:focus{outline:none}
.bigsearch:focus-within{outline:3px solid var(--ink);outline-offset:2px}
.examples{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:16px}
.hero-cta{margin-top:22px}
.hero-mosaic{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-mosaic a{position:relative;display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1}
.hero-mosaic img{width:100%;height:100%;object-fit:contain;padding:8px}
.hero-mosaic span{position:absolute;left:8px;bottom:8px;font-size:13px;font-weight:700;background:rgba(255,255,255,.92);padding:2px 8px;border-radius:5px}

/* problems */
.probs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.probs-2{grid-template-columns:repeat(2,1fr)}
.prob{display:flex;align-items:center;gap:14px;min-height:76px;padding:14px 18px;border:1.5px solid var(--line);border-radius:var(--radius);text-decoration:none;font-weight:600;font-size:19px;background:var(--surface);transition:border-color .15s,transform .15s,box-shadow .15s}
.prob:hover{border-color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow)}
.prob .ico{color:var(--red)}
.prob small{display:block;font-weight:400;color:var(--muted);font-size:15px}

/* categories */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}
.cat:hover{border-color:var(--ink);box-shadow:var(--shadow);transform:translateY(-1px)}
.cimg{display:block;aspect-ratio:4/3;background:#fff;border-bottom:1px solid var(--line)}
.cimg img{width:100%;height:100%;object-fit:contain;padding:10px}
.cat .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:4px;flex:1}
.cat b{font-size:18px;display:flex;gap:9px;align-items:flex-start;line-height:1.35}
.cat b .ico{color:var(--red);margin-top:1px}
.cat .body>span{font-size:15px;color:var(--muted);line-height:1.5}
.cat em{font-style:normal;margin-top:auto;padding-top:8px;color:var(--red);font-weight:600;font-size:15px}
.cats-mini{grid-template-columns:repeat(4,1fr)}
.cats-mini .cat .body{padding:14px 16px}

/* know what you need */
.know{display:grid;grid-template-columns:1fr 2fr;gap:24px;align-items:center}
.know h2{margin:0 0 4px}
.know .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.brandrow{display:flex;flex-wrap:wrap;gap:8px}
.brandrow a{flex:1 1 140px;min-height:50px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;font-weight:700;font-size:15px;letter-spacing:.03em;text-decoration:none;background:var(--surface)}
.brandrow a:hover{border-color:var(--ink)}

/* decision tool */
.decide{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dcard{background:var(--surface);border:2px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}
a.dcard:hover{border-color:var(--ink);box-shadow:var(--shadow)}
.dcard.sel{border-color:var(--ink)}
.dcard .q{font-size:21px;font-weight:700;line-height:1.4;display:flex;gap:14px;align-items:flex-start}
.dcard .q .ico{color:var(--red)}
.dcard .a{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line-2);display:flex;flex-direction:column;gap:2px}
.dcard .a b{font-size:19px}
.dcard .here{display:flex;gap:8px;align-items:center;color:var(--ok);font-weight:600}
.decide-note{grid-column:1/-1;display:flex;gap:12px;align-items:flex-start;background:var(--warn-tint);border-radius:10px;padding:14px 18px;margin:0;font-size:16px}
.decide-note .ico{color:var(--warn);margin-top:2px}
.decide.compact .dcard{padding:16px 18px}
.decide.compact .dcard .q{font-size:18px}
.decide.compact .dcard .a b{font-size:17px}
.decide-wrap{margin:0 0 30px}

/* products — discovery cards: image / type / name / 3 key specs / CTA */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(262px,1fr));gap:18px}
.pgrid.c3{grid-template-columns:repeat(auto-fill,minmax(262px,1fr))}
.pcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .15s,transform .15s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.pimg{display:block;aspect-ratio:1/1;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.pimg img{width:100%;height:100%;object-fit:contain;padding:12px}
.pimg .ph,.ph{display:grid;place-items:center;width:100%;height:100%;color:var(--line-2);background:var(--bg)}
.pcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.ptype{margin:0 0 6px;font-size:14px;font-weight:600;color:var(--red);line-height:1.4}
.pname{margin:0 0 10px;font-size:20px;line-height:1.3;font-weight:700}
.pname a{text-decoration:none;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pname a:hover{text-decoration:underline;text-decoration-thickness:2px}
.pn-brand{display:block;font-size:16px;font-weight:600;letter-spacing:.01em;color:var(--muted);margin-bottom:0}
.pspec{margin:0;padding:10px 0 0;border-top:1px solid var(--line);display:grid;gap:6px;font-size:16px;line-height:1.4}
.pspec .row{display:grid;grid-template-columns:37% minmax(0,1fr);align-items:baseline;column-gap:10px}
.pspec dt{color:var(--muted);font-weight:400;font-size:15px;line-height:1.35}
.pspec dd{margin:0;color:var(--ink)}
.pspec .val{white-space:nowrap;font-weight:600;font-size:16px}
.pspec .u{font-weight:500;color:var(--ink-2)}
.pspec .note{display:block;font-size:14px;line-height:1.3;color:var(--muted)}
.pact{display:grid;grid-template-columns:44fr 56fr;gap:8px;margin-top:auto;padding-top:14px}
.pact .btn{min-height:48px;padding:0 10px;font-size:16px}
.pgrid.list{grid-template-columns:1fr}
.pgrid.list .pcard{flex-direction:row}
.pgrid.list .pimg{width:200px;flex:none;aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line)}
.pgrid.list .pact{max-width:380px}
/* why, articles, final */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.why>div{display:flex;gap:12px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.why .ico{color:var(--red)}
.why b{display:block;font-size:17px;margin-bottom:2px;line-height:1.4}
.why span span{font-size:15px;color:var(--muted);line-height:1.5}
.arts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.arts-2{grid-template-columns:repeat(2,1fr)}
.art{display:flex;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;transition:border-color .15s}
.art:hover{border-color:var(--ink)}
.art .body{padding:18px 20px}
.art small{color:var(--red);font-weight:600;font-size:14px}
.art b{display:block;font-size:18px;line-height:1.45;margin:4px 0 6px}
.art .body>span{font-size:15px;color:var(--muted)}
.final{background:var(--surface);border:2px solid var(--ink);border-radius:14px;padding:36px;display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:center}
.final h2{font-size:32px}
.final ul{margin:0;color:var(--ink-2)}
.final-cta{display:flex;justify-content:flex-end}

/* footer — compact, calm, light */
.ftr{background:var(--bg-2);color:var(--ink-2);border-top:1px solid var(--line);padding:36px 0 26px;font-size:17px}
.ftr-top{display:grid;grid-template-columns:1.2fr 2fr;gap:32px;align-items:start}
.ftr .co p{margin:10px 0 14px;color:var(--muted);font-size:16px;max-width:360px}
.ftr-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fgrp h2{font-size:17px;margin:0 0 6px;color:var(--ink)}
.fgrp-t{display:none}
.fgrp ul{list-style:none;margin:0;padding:0}
.fgrp a{display:inline-flex;align-items:center;min-height:40px;text-decoration:none;color:var(--ink-2)}
.fgrp a:hover{color:var(--red);text-decoration:underline}
.ftr .legal{border-top:1px solid var(--line);margin-top:24px;padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:15px;color:var(--muted)}
.ftr-line{min-height:48px}
.infolinks{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.infolinks a{min-height:40px}
.readmore,.pd-info-links{border-top:1px solid var(--line)}
.artprod{margin:36px 0 10px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.artprod h2{margin-top:0}
.artwhy{margin:4px 0 18px;padding-left:20px}
.artwhy li{margin:6px 0}
.ahero{margin:0 0 26px}
.ahero img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2)}
.artcta{margin-top:16px}
.dlink-sub{font-weight:500;font-size:17px;color:var(--muted)}
/* breadcrumbs, page head */
.crumb{font-size:15px;color:var(--muted);padding:18px 0 0}
.crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.crumb li:not(:last-child)::after{content:"›";margin-left:6px}
.crumb a{text-decoration:none;color:var(--muted)}
.crumb a:hover{color:var(--ink);text-decoration:underline}
.phead{padding:16px 0 26px}
.phead h1{margin-bottom:10px}
.lead{font-size:20px;color:var(--ink-2);max-width:820px}
.intro{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
.infobox{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;font-size:16px}
.infobox ul{margin:0}
.infobox li{margin:4px 0}
.meta{display:flex;gap:6px 10px;flex-wrap:wrap;align-items:center;font-size:15px;color:var(--muted)}
.meta .ico{width:16px;height:16px}

/* listing */
.listing{display:grid;grid-template-columns:270px 1fr;gap:30px;align-items:start}
.lmain{min-width:0}
.filters{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 18px 16px;max-height:calc(100vh - 110px);overflow:auto}
.fhead{display:flex;justify-content:space-between;align-items:center;padding:6px 0}
.fgroup{border:0;border-top:1px solid var(--line);margin:0;padding:12px 0}
.fgroup legend{font-weight:700;font-size:16px;padding:0;margin-bottom:6px}
.fgroup label{display:flex;align-items:center;gap:10px;min-height:40px;font-size:16px;cursor:pointer}
.fgroup input{width:20px;height:20px;accent-color:var(--red);flex:none}
.fgroup em{margin-left:auto;font-style:normal;color:var(--muted);font-size:14px}
.fgroup .hint{font-size:13px;color:var(--muted);margin:4px 0 0;line-height:1.45}
.fapply{display:none}
.lbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.lbar .act{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.seg{display:inline-flex;border:1.5px solid var(--line-2);border-radius:8px;overflow:hidden}
.seg button{background:var(--surface);border:0;min-height:42px;padding:0 12px;font-size:15px;cursor:pointer;display:flex;gap:6px;align-items:center}
.seg button.on{background:var(--ink);color:#fff}
.seg .ico{width:18px;height:18px}
.sel{min-height:44px;border:1.5px solid var(--line-2);border-radius:8px;background:var(--surface);font-size:15px;padding:0 10px}
.fbtn{display:none}
.active-f{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.active-f:empty{display:none}
.none{padding:30px;background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--radius);text-align:center}
.pcard.hide{display:none}

/* product detail */
.pd-hero{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:14px 0 40px}
.gmain{aspect-ratio:1/1;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.gmain img{width:100%;height:100%;object-fit:contain;padding:18px}
.thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:10px}
.thumb{padding:0;border:1.5px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;aspect-ratio:1/1;overflow:hidden}
.thumb.on{border-color:var(--ink)}
.thumb img{width:100%;height:100%;object-fit:contain;padding:4px}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.pd-info h1{font-size:38px;margin-bottom:6px}
.alias{font-size:17px;color:var(--muted);margin-bottom:12px}
.what{font-size:19px;color:var(--ink-2)}
.keyspecs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:16px 0}
.keyspecs div{background:var(--surface);padding:12px 16px}
.keyspecs dt{color:var(--muted);font-size:14px}
.keyspecs dd{margin:0;font-size:19px;font-weight:700}
.keyspecs small{display:block;font-size:13px;color:var(--muted);font-weight:500}
.uses{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 18px}
.cta-stack{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0}
.srcnote{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line)}
.srcnote .ico{width:18px;height:18px;margin-top:4px}
.pd-nav{position:sticky;top:76px;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
.pd-nav .wrap{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.pd-nav a{padding:13px 12px;text-decoration:none;font-weight:500;font-size:16px;white-space:nowrap;border-bottom:3px solid transparent}
.pd-nav a:hover{border-color:var(--line-2)}
.pd-sec{padding:40px 0;border-bottom:1px solid var(--line)}
.pd-sec:last-of-type{border-bottom:0}
.pd-sec h2{font-size:28px}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.fact h3{font-size:18px;margin-bottom:6px;display:flex;gap:10px;align-items:center}
.fact h3 .ico{color:var(--red);width:20px;height:20px}
.fact p{margin:0;font-size:17px;color:var(--ink-2)}
.fact.not{background:var(--warn-tint);border-color:#EDD9A8}
.fact.not h3 .ico{color:var(--warn)}
.usecards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}
.usecard{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none}
.usecard:hover{border-color:var(--ink)}
.usecard .ico{color:var(--ink-2)}
.usecard span{font-size:15px;color:var(--muted)}
.hl{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.hl li{display:flex;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.hl .ico{color:var(--ok)}
.tscroll{overflow-x:auto;border-radius:var(--radius);-webkit-overflow-scrolling:touch}
table.spec{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);font-size:17px}
table.spec th,table.spec td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec thead th{background:var(--bg-2);font-size:15px;font-weight:600;color:var(--ink-2)}
table.spec tbody th{font-weight:600;width:26%}
table.spec td.v{font-weight:700;white-space:nowrap}
table.spec td.s{font-size:14px;color:var(--muted);width:24%}
table.spec tr:last-child>*{border-bottom:0}

/* ---------- purchasable variants (pilot: Safe 'n' Silent) — mobile first, one option per row ---------- */
.vx-lead{font-size:19px;color:var(--ink-2);max-width:760px}
.vx-pick{display:grid;gap:18px;margin:8px 0 22px}
.vx-f{border:0;margin:0;padding:0;min-width:0}
.vx-f legend{font-weight:700;font-size:19px;margin-bottom:10px;padding:0}
.vx-opts{display:grid;gap:10px}
.vx-thk{grid-template-columns:repeat(3,1fr)}
.vx-thk.vx-n4{grid-template-columns:repeat(4,1fr)}
.vx-mod,.vx-size{grid-template-columns:1fr 1fr}
.vx-size{grid-template-columns:repeat(2,minmax(0,1fr))}
.vx-size b{font-size:18px}
.vx-size .nw{white-space:nowrap;font-style:normal}
.vx-size .vx-opt span{padding:8px 6px}
.vx-buy dd small{display:block;font-size:15px;font-weight:500;color:var(--muted)}
.vx-avail{display:flex;gap:8px;align-items:flex-start;margin:-4px 0 12px;padding:10px 12px;border-radius:8px;background:var(--warn-tint);color:var(--ink);font-size:16px}
.vx-avail .ico{width:18px;height:18px;margin-top:4px;color:var(--warn)}
.vx-av{display:inline-block;font-size:14px;font-weight:600;line-height:1.3;padding:3px 9px;border-radius:999px;background:var(--warn-tint);color:var(--warn);border:1px solid #EDD9A8}
.vx-img{display:block;width:100%;max-width:360px;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:8px;margin:0 0 12px;background:var(--bg-2)}
.vx-m-img{float:left;width:72px;height:54px;object-fit:cover;border-radius:6px;margin:2px 12px 4px 0;background:var(--bg-2)}
.vx-m-h::after{content:"";display:block;clear:both}
.vx-av-dist{background:#fff;color:var(--ink-2,#555);border-color:var(--line,#d9d9d9)}
.vx-avail.vx-dist{background:var(--bg-2,#f4f4f2)}
.vx-m-h h4 span{font-size:17px;font-weight:600;color:var(--ink-2)}
.vx-tg-h{margin:0;padding:10px 18px 0;font-weight:700;font-size:17px;color:var(--ink-2)}
.vx-tg+.vx-tg{border-top:1px solid var(--line)}
.vx-sz{display:flex;flex-direction:column;line-height:1.35;min-width:150px}
.vx-sz b{font-size:18px}
.vx-sz small{font-size:15px;color:var(--muted)}
.vx-d{align-items:center}
@media (max-width:419px){.vx-thk.vx-n4{grid-template-columns:1fr 1fr}}
/* tube products */
.tx-l{display:block;font-weight:700;font-size:19px;margin-bottom:10px}
.tx-sel{width:100%;min-height:56px;font-size:18px;font-weight:600;padding:0 44px 0 14px;border:2px solid var(--ink);border-radius:10px;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%231E1E1E' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;-webkit-appearance:none;appearance:none;color:var(--ink);max-width:100%}
.tx-sel:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.tx-hint{margin:8px 0 0}
.tx-path{grid-template-columns:repeat(2,minmax(0,1fr))}
.tx-path .vx-opt b{font-size:17px}
.tx-path .vx-opt small{font-size:14px}
.tx-walls{grid-template-columns:repeat(4,minmax(0,1fr))}
.tx-walls .vx-opt b{font-size:18px;white-space:nowrap}
.tx-walls .vx-opt span{padding:8px 2px}
@media (max-width:400px){.tx-walls .vx-opt b{font-size:16px}}
.tx-card .vx-name b{font-weight:700}
.tx-card .vx-buy dt{flex:none;max-width:42%}
.tx-card .vx-buy dd{flex:1 1 0;min-width:0}
.tx-card [data-f="fits"]{font-size:18px}
.tx-all{display:grid;gap:10px}
.tx-w{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.tx-w summary{cursor:pointer;min-height:56px;padding:10px 18px;display:flex;flex-wrap:wrap;gap:2px 14px;align-items:center;font-size:17px}
.tx-w summary b{font-size:18px}
.tx-w summary span{color:var(--ink-2)}
.tx-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:4px 18px 16px}
.tx-chips .chip{min-height:44px;text-decoration:none}
@media (min-width:760px){.tx-all{grid-template-columns:1fr 1fr;align-items:start}}
.vx-opt{position:relative;display:block;cursor:pointer}
.vx-opt input{position:absolute;opacity:0;width:1px;height:1px}
.vx-opt span{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:60px;padding:8px 10px;border:2px solid var(--line-2);border-radius:10px;background:var(--surface);line-height:1.3}
.vx-opt b{font-size:20px}
.vx-opt small{font-size:16px;color:var(--muted);font-weight:500}
.vx-opt:hover span{border-color:var(--ink-2)}
.vx-opt input:checked+span{border-color:var(--ink);background:var(--ink);color:#fff}
.vx-opt input:checked+span small{color:#E8E2D6}
.vx-opt input:focus-visible+span{outline:3px solid var(--red);outline-offset:2px}
.vx-opt input:disabled+span{opacity:.4;cursor:not-allowed;border-style:dashed}
.vx-card{background:var(--surface);border:2px solid var(--ink);border-radius:14px;padding:20px 20px 22px;box-shadow:var(--shadow)}
.vx-eyebrow{font-size:15px;font-weight:600;color:var(--red);margin:0 0 4px}
.vx-name{font-size:22px;margin:0 0 14px}
.vx-name span{display:block;font-size:16px;font-weight:600;color:var(--muted)}
.vx-buy{display:grid;gap:0;margin:0 0 14px;border-top:1px solid var(--line)}
.vx-buy div,.vx-spec div{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.vx-buy dt{font-size:17px;color:var(--ink-2)}
.vx-buy dd{margin:0;font-size:21px;font-weight:700;text-align:right}
.vx-spec{display:grid;margin:0 0 18px;background:var(--bg-2);border-radius:10px;padding:2px 14px}
.vx-spec div:last-child{border-bottom:0}
.vx-spec dt{font-size:16px;color:var(--muted)}
.vx-spec dt small,.vx-mt dt small{display:block;font-size:14px;line-height:1.35}
.vx-spec dd{margin:0;font-size:18px;font-weight:600;text-align:right;white-space:nowrap}
.u{font-weight:500;font-size:.85em;color:var(--muted)}
.vx-opt input:checked+span .u{color:#E8E2D6}
.vx-card .vx-ask{width:100%;min-height:56px;font-size:18px}
.vx-note{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);margin:14px 0 0}
.vx-note .ico{width:18px;height:18px;margin-top:4px}
.vx-all-h{font-size:24px;margin:34px 0 4px}
.vx-all-lead{font-size:17px;margin-bottom:14px}
.vx-all{display:grid;gap:14px}
.vx-m{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.vx-m-h{padding:14px 18px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.vx-m-h h4{font-size:21px;margin:0}
.vx-m-h p{margin:2px 0 0;font-size:16px;color:var(--ink-2)}
.vx-rows{list-style:none;margin:0;padding:0}
.vx-rows li{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.vx-rows li:last-child{border-bottom:0}
.vx-t{font-size:20px;min-width:74px}
.vx-d{display:flex;flex-wrap:wrap;gap:2px 14px;font-size:17px;color:var(--ink-2)}
.vx-d>span:first-child{font-weight:700;color:var(--ink)}
.vx-rows .vx-ask-sm{grid-column:1/-1;min-height:50px;font-size:17px;margin-top:6px;width:100%}
.vx-models{display:grid;gap:12px;margin:10px 0 18px}
.vx-mt{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px}
.vx-mt h3{font-size:20px;margin:0 0 4px}
.vx-mt dl{margin:0}
.vx-mt div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}
.vx-mt div:last-child{border-bottom:0}
.vx-mt dt{font-size:16px;color:var(--muted)}
.vx-mt dd{margin:0;font-size:18px;font-weight:700;white-space:nowrap}
.vx-common{margin:0 0 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:4px 18px}
.vx-common div{padding:10px 0;border-bottom:1px solid var(--line)}
.vx-common div:last-child{border-bottom:0}
.vx-common dt{font-size:16px;color:var(--muted)}
.vx-common dd{margin:0;font-size:18px;font-weight:600}
.vx-common small{display:block;font-size:15px;color:var(--muted);font-weight:400}
.vx-common-h{margin-top:6px}
.vx-std{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 18px}
.vx-std summary{cursor:pointer;min-height:52px;display:flex;align-items:center;font-weight:600;font-size:17px}
.vx-std ul{margin:0 0 14px;padding-left:1.1em;font-size:16px;color:var(--ink-2)}
.vx-std li{margin:6px 0}
@media (min-width:760px){
  .vx-pick{grid-template-columns:auto 1fr;gap:28px;align-items:start}
  .vx-thk{grid-template-columns:repeat(3,minmax(96px,1fr))}
  .vx-thk.vx-n4{grid-template-columns:repeat(4,minmax(88px,1fr))}
  .vx-mod{grid-template-columns:repeat(4,1fr)}
  .vx-sel{max-width:640px}
  .vx-all,.vx-models{grid-template-columns:1fr 1fr}
  .vx-rows li{grid-template-columns:auto 1fr auto}
  .vx-rows .vx-ask-sm{grid-column:auto;width:auto;margin:0}
}
@media (min-width:1100px){
  .vx-models{grid-template-columns:repeat(4,1fr)}
  .vx-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,560px);gap:36px;align-items:start}
  .vx-main .vx-pick{grid-template-columns:1fr;margin:0}
  .vx-main .vx-mod{grid-template-columns:1fr 1fr}
  .vx-sel{max-width:none}
}
.vtable td,.vtable th{white-space:nowrap}
.docs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.doc{display:flex;gap:14px;align-items:center;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none}
.doc:hover{border-color:var(--ink)}
.doc .ico{color:var(--red)}
.doc b{display:block;font-size:16px;line-height:1.4}
.doc span span{font-size:14px;color:var(--muted)}
.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 12px;display:grid;gap:10px}
.steps li{counter-increment:s;display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px}
.steps li::before{content:counter(s);flex:none;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;margin-top:2px}
details.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px}
details.faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;font-size:18px;display:flex;justify-content:space-between;gap:12px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--red)}
details.faq[open] summary::after{content:"–"}
details.faq>div{padding:0 20px 18px;color:var(--ink-2)}
.linebox{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:center;background:var(--ink);color:#F3EEE4;border-radius:14px;padding:32px;margin:40px 0}
.linebox h2{color:#fff;font-size:28px}
.linebox p{color:#D3CCBE}
.msgprev{background:#fff;color:var(--ink);border-radius:14px 14px 14px 3px;padding:14px 16px;font-size:15px;line-height:1.6;white-space:pre-line}

/* article / solution */
.article{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:48px;align-items:start}
.abody{max-width:780px;min-width:0}
.abody h2{font-size:28px;margin-top:1.5em;scroll-margin-top:150px}
.abody h3{margin-top:1.2em}
.abody li{margin:4px 0}
.answer{background:var(--surface);border-left:5px solid var(--red);border-radius:0 10px 10px 0;padding:18px 22px;margin:0 0 26px;font-size:19px}
.answer p:last-child{margin:0}
.answer b.t{display:block;font-size:15px;color:var(--red);margin-bottom:4px}
.limits,.note{background:var(--warn-tint);border-radius:var(--radius);padding:18px 22px;margin:18px 0}
.note{background:var(--bg-2)}
.limits h3{display:flex;gap:10px;align-items:center;font-size:19px;margin-top:0}
.limits .ico{color:var(--warn)}
.limits ul,.limits p:last-child,.note p:last-child{margin-bottom:0}
.toc{position:sticky;top:100px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;font-size:16px}
.toc h2{color:var(--muted)}
.toc a{display:block;padding:6px 0;text-decoration:none}
.toc a:hover{color:var(--red)}
.toc .btn{margin-top:14px}
.diagram{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:14px 0 22px}
.diagram svg{width:100%;height:auto}
.diagram figcaption{font-size:15px;color:var(--muted);margin-top:10px}
table.compare{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);font-size:16px;margin:10px 0 20px}
.compare th,.compare td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.compare thead th{background:var(--bg-2)}
.recrow{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin:10px 0}
.rimg{display:block;aspect-ratio:1/1;border-radius:8px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.rimg img{width:100%;height:100%;object-fit:contain;padding:4px}
.rname{font-size:18px;margin:0}
.rname a{text-decoration:none}.rname a:hover{text-decoration:underline}
.why-fit{font-size:16px;color:var(--ink-2);margin:4px 0 0}
.solcards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.solcard{display:flex;gap:14px;align-items:flex-start;padding:18px;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);text-decoration:none}
.solcard:hover{border-color:var(--ink)}
.solcard .ico{color:var(--red)}
.solcard b{display:block;font-size:18px;line-height:1.4}
.solcard span span{font-size:15px;color:var(--muted)}
.fam-h{display:flex;gap:10px;align-items:center}
.fam-h .ico{color:var(--red)}
.typecards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.typecard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.typecard b{display:block;font-size:17px}
.typecard span{font-size:15px;color:var(--muted)}
.group{margin:0 0 30px}
.group h3{display:flex;gap:10px;align-items:center}
.group h3 .ico{color:var(--red)}
.group h3 a{text-decoration:none}.group h3 a:hover{text-decoration:underline}
.apps{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.apps-home{grid-template-columns:repeat(8,1fr)}
.app{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;font-weight:600;text-align:center;font-size:16px;line-height:1.35}
.app:hover{border-color:var(--ink)}
.app .ico{color:var(--ink-2)}
.brandgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:40px}
.brandcard{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-decoration:none}
a.brandcard:hover{border-color:var(--ink)}
.brandcard b{font-size:20px;letter-spacing:.02em}
.brandcard span{font-size:15px;color:var(--muted)}
.brandcard em{font-style:normal;color:var(--red);font-weight:600;margin-top:auto;font-size:15px}

/* search */
.sbar{display:flex;gap:10px;margin:8px 0 10px;max-width:860px}
.sbar input{flex:1;min-width:0;min-height:56px;border:2px solid var(--ink);border-radius:10px;padding:0 18px;font-size:19px;background:var(--surface)}
.intent{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:var(--surface);border:2px solid var(--ink);border-radius:12px;padding:18px 22px;margin:0 0 18px;text-decoration:none}
.intent .ico{width:40px;height:40px;color:var(--red);stroke-width:1.4}
.intent small{color:var(--red);font-weight:600;font-size:14px;display:block}
.intent b{display:block;font-size:21px}
.understood{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:15px;color:var(--muted);margin:0 0 16px}
.sgroup{margin:26px 0}
.scount{font-weight:400;font-size:15px;color:var(--muted);margin-left:6px;white-space:nowrap}
.snote{font-size:16px;color:var(--ink-2);margin:0 0 14px;max-width:760px}
.snote.b{font-weight:600;color:var(--ink)}
.smore{margin:18px 0 0;text-align:center}
.sstate{color:var(--muted);padding:18px 0}
.slist{display:grid;gap:8px}
.slink{display:block;padding:14px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none}
.slink:hover{border-color:var(--ink)}
.slink small{color:var(--red);font-weight:600;font-size:13px}
.slink b{display:block}
.slink span{font-size:15px;color:var(--muted)}
.zero{background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--radius);padding:24px;margin-top:20px}

/* contact */
.cgrid{display:grid;grid-template-columns:1.3fr 1fr;gap:26px;margin-bottom:50px}
.ccard{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px}
.ccard h2{font-size:26px}
.ways{display:grid;gap:10px}
.way{display:flex;gap:16px;align-items:center;padding:16px 18px;border:1.5px solid var(--line);border-radius:var(--radius);text-decoration:none;background:var(--surface);text-align:left;cursor:pointer;width:100%}
.way:hover{border-color:var(--ink)}
.way .ico{color:var(--red)}
.way b{display:block;font-size:18px}
.way span span{font-size:15px;color:var(--muted)}
.flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;counter-reset:f}
.flow li{counter-increment:f;background:var(--bg);border-radius:var(--radius);padding:14px 16px;display:flex;flex-direction:column}
.flow li::before{content:counter(f);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--red);color:#fff;font-weight:700;margin-bottom:6px;font-size:15px}
.flow span{font-size:15px;color:var(--muted)}
.nf{padding:60px 16px}

/* LINE panel, drawer, bottom bar */
.lp-back{position:fixed;inset:0;background:rgba(20,18,15,.5);z-index:90;display:flex;align-items:center;justify-content:center;padding:16px}
.lp{background:var(--surface);border-radius:14px;max-width:560px;width:100%;padding:26px;position:relative;max-height:92vh;overflow:auto}
.lp h2{font-size:24px;padding-right:40px}
.lp .x{display:flex;position:absolute;right:12px;top:12px}
.lp-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;margin:4px 0 12px}
.lp-f{min-width:0}
.lp-f label{display:block;margin-bottom:4px}
.lp-f input,.lp-f select{width:100%;min-width:0;height:48px;border:1.5px solid var(--line-2);border-radius:8px;padding:0 12px;font-size:16px;background:var(--surface)}
.lp-qty{display:flex;gap:8px;align-items:center}
.lp-qty #lpqty{flex:0 0 96px}
.lp-qty span{white-space:nowrap;font-weight:600}
.lp-status{margin:0 0 8px;font-size:15px;color:var(--red);font-weight:600}
.lp:focus,.drawer .pane:focus,.filters:focus{outline:none}
.lp textarea{width:100%;border:1.5px solid var(--line-2);border-radius:8px;padding:12px;font-size:16px;line-height:1.6;margin:6px 0 12px;resize:vertical}
.drawer{position:fixed;inset:0;z-index:90}
.drawer .back{position:absolute;inset:0;background:rgba(20,18,15,.5)}
.drawer .pane{position:absolute;right:0;top:0;bottom:0;width:min(420px,92vw);background:var(--bg);overflow:auto;padding:12px 18px 40px}
.drawer .top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.drawer .hbtn{display:flex}
.drw-search input{width:100%;min-height:52px;border:1.5px solid var(--line-2);border-radius:10px;padding:0 14px;font-size:17px;background:var(--surface);margin-bottom:6px}
.acc{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;min-height:58px;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:19px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";color:var(--red);font-size:24px}
.acc[open] summary::after{content:"–"}
.acc a{display:flex;min-height:48px;align-items:center;padding-left:6px;text-decoration:none;font-size:17px}
.dlink{display:flex;min-height:58px;align-items:center;font-weight:700;font-size:19px;text-decoration:none;border-bottom:1px solid var(--line)}
.drawer .btn{margin-top:18px}
.mbar{display:none}

/* ---------- knowledge center ---------- */
.ksearch{margin-top:16px}
.kcount,.knone{margin:4px 0 0;font-size:16px;color:var(--muted)}
.kshort{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.kshort a{display:flex;align-items:center;gap:12px;min-height:60px;padding:10px 16px;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);text-decoration:none;font-weight:600;font-size:17px;line-height:1.35;color:var(--ink)}
.kshort a:hover{border-color:var(--ink)}
.kshort .ico{flex:none;width:24px;height:24px;color:var(--red)}
.ktopics{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:4px 0 8px}
.ktopics small{color:var(--muted);font-size:13px}
.kgroups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.kgroup{padding:22px 0 8px;border-top:1px solid var(--line);scroll-margin-top:90px}
.kgroup h2{display:flex;align-items:center;gap:10px;margin:0 0 8px}
.kgroup h2 .ico{color:var(--red)}
.klist{list-style:none;margin:0;padding:0}
.klist a{display:block;padding:10px 0;text-decoration:none;border-bottom:1px dashed var(--line)}
.klist li:last-child a{border-bottom:0}
.klist b{display:block;font-size:18px;line-height:1.45;font-weight:600}
.klist a:hover b{text-decoration:underline}
.klist span{display:block;font-size:15px;color:var(--muted);line-height:1.5}
.kgloss .solcard{max-width:620px}
.kask{margin:28px 0 8px}
.gloss{margin:0}
.gloss>div{padding:14px 0;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.gloss dt{font-weight:700;font-size:18px}
.gloss .abbr{display:inline-block;margin-left:4px;padding:0 8px;border-radius:6px;background:var(--bg-2);font-size:14px}
.gloss .en{font-weight:400;color:var(--muted);font-size:15px;margin-left:4px}
.gloss dd{margin:4px 0 0;font-size:16px;line-height:1.65}
.gloss dd .link{white-space:nowrap}
.phead .eyebrow a{color:inherit;text-decoration:none}
/* hub layout */
.khero{background:var(--bg-2);border-bottom:1px solid var(--line);padding:0 0 28px}
.khero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center}
.khero h1{font-size:42px;line-height:1.2;margin:0 0 14px}
.khero .lead{font-size:20px;max-width:30em}
.khero-art svg{display:block;width:100%;height:auto;border:1px solid var(--line);background:var(--bg-2)}
svg.dg-narrow{display:none!important}
.ksearch-sec{padding:28px 0 6px}
.ksearch-sec h2{margin:0 0 4px}
.kwant{padding:14px 0 10px}
.kentry{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.kentry a{display:flex;flex-direction:column;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);overflow:hidden;transition:border-color .15s}
.kentry a:hover{border-color:var(--ink)}
.kentry .gart{display:block;width:100%;height:auto;border-bottom:1px solid var(--line)}
.kentry a>span{display:block;padding:10px 14px 14px}
.kentry b{display:block;font-size:18px;line-height:1.35}
.kentry small{display:block;font-size:14px;color:var(--muted);line-height:1.45;margin-top:2px}
.kstart{padding:26px 0 8px}
.kstart-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;counter-reset:ks}
.kstart-list a{display:flex;gap:14px;align-items:center;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);height:100%;box-sizing:border-box}
.kstart-list a:hover{border-color:var(--ink)}
.kstart-list .gart{flex:none;width:96px;height:auto}
.kstart-list small{display:block;color:var(--red);font-weight:600;font-size:13px}
.kstart-list b{display:block;font-size:17px;line-height:1.4;font-weight:600}
.kall{padding:26px 0 0}
.kgroup-h{display:flex;align-items:center;gap:14px;margin:0 0 6px}
.kgroup-h .gart{flex:none;width:72px;height:auto}
.kgroup-h h3{margin:0}
.kgroup-h small{display:block;font-size:14px;font-weight:500;color:var(--muted)}
.kglossary{padding:30px 0 6px;border-top:1px solid var(--line);margin-top:20px}
.kglossary .chip small{color:var(--muted);font-size:13px}
.khelp{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;margin:30px 0 10px;padding:26px 28px;background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--red);border-radius:0 var(--radius) var(--radius) 0}
.khelp h2{margin:0 0 6px;font-size:26px}
.khelp p{margin:0 0 12px}
.khelp-cta{display:flex;flex-direction:column;gap:10px}
/* article header art (visual family) */
.ahead{position:relative}
.ahead .gart.hd{float:right;width:150px;height:auto;margin:0 0 10px 20px;border:1px solid var(--line)}
/* technical diagrams */
.dg svg{display:block;width:100%;height:auto;max-width:100%}
.dg .dg-one{max-width:760px;margin:0 auto}
.dg-legend{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.dg-legend li{display:flex;gap:10px;align-items:flex-start;font-size:16px;line-height:1.55}
.dg-legend b{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;font-size:14px;margin-top:1px}

/* ---------- responsive ---------- */
.hdr .hsearch{display:none}
.hsrch-ico{display:flex;margin-left:auto}
.hdr-in{max-width:1440px}
@media (max-width:1480px){
  .nav>a,.nav>button{padding:10px 6px;font-size:16px}
}
@media (max-width:1499px){
  .hdr-line{display:none}
}
@media (max-width:1180px){
  .nav,.hdr .hdr-langs{display:none}
  .hbtn{display:flex}
  .cats{grid-template-columns:repeat(3,1fr)}
  .apps-home{grid-template-columns:repeat(4,1fr)}
  .arts{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr)}
  .mega-cats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  :root{--gut:16px;--fs:17px}
  h1,.hero h1{font-size:32px} h2{font-size:26px} .h-sm{font-size:22px}
  .pd-info h1{font-size:28px}
  section{padding:40px 0} .sec-tight{padding:30px 0}
  .hdr-in{height:64px;gap:6px}
  .nav,.hdr .hdr-langs{display:none}
  .hbtn{display:flex}
  .logo{font-size:17px}
  .hero{padding:26px 0 18px}
  .hero-grid,.journeys,.decide,.intro,.pd-hero,.article,.cgrid,.final,.linebox,.know{grid-template-columns:1fr}
  .hero-mosaic{display:none}
  .final-cta{justify-content:flex-start}
  .probs,.probs-2{grid-template-columns:1fr 1fr}
  .prob{font-size:17px;min-height:68px;padding:12px;gap:10px}
  .prob .ico.lg{width:28px;height:28px}
  .cats,.cats-mini{grid-template-columns:1fr 1fr;gap:12px}
  .cat b{font-size:16px}
  .cat .body>span{display:none}
  .apps,.apps-home{grid-template-columns:repeat(4,1fr);gap:8px}
  .app{padding:14px 4px;font-size:14px}
  .app .ico.lg{width:28px;height:28px}
  .pgrid,.pgrid.c3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
  .why,.arts,.arts-2,.docs,.facts,.hl,.solcards,.typecards,.brandgrid,.flow{grid-template-columns:1fr}
  .usecards{grid-template-columns:1fr 1fr}
  .kgroups{grid-template-columns:1fr}
  .khero-grid{grid-template-columns:1fr;gap:14px}
  .khero h1{font-size:32px}
  .khero .lead{font-size:18px}
  .kentry{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .kentry b{font-size:17px}
  .kentry a>span{padding:8px 12px 12px}
  .kstart-list{grid-template-columns:1fr}
  .khelp{grid-template-columns:1fr;padding:20px}
  .khelp-cta .btn{width:100%}
  .ahead .gart.hd{width:96px;margin-left:12px}
  .kshort{grid-template-columns:1fr 1fr}
  .kshort a{font-size:16px;padding:10px 12px;gap:10px}
  .listing{grid-template-columns:1fr}
  .filters{position:fixed;inset:auto 0 0 0;top:auto;z-index:95;max-height:84vh;border-radius:16px 16px 0 0;box-shadow:0 -10px 30px rgba(0,0,0,.2);display:none;padding-bottom:20px}
  .filters.open{display:block}
  .fapply{display:flex;position:sticky;bottom:0;margin-top:8px}
  .fbtn{display:inline-flex}
  .pgrid.list .pimg{width:120px}
  .toc{position:static}
  .aside{order:-1}
  .aside .toc a,.aside .toc h2{display:none}
  .aside .toc{background:none;border:0;padding:0}
  .aside .toc .btn{margin:0}
  .keyspecs dd{font-size:17px}
  table.spec thead{display:none}
  table.spec,table.spec tbody,table.spec tr,table.spec th,table.spec td{display:block;width:auto!important}
  table.spec tr{padding:12px 16px;border-bottom:1px solid var(--line)}
  table.spec th,table.spec td{padding:0;border:0}
  table.spec tbody th{font-size:15px;color:var(--muted);font-weight:500}
  table.spec td.v{font-size:18px;white-space:normal}
  table.spec td.s{margin-top:2px}
  .vtable thead{display:table-header-group}
  table.vtable,table.vtable tbody{display:table;width:100%!important}
  table.vtable tr{display:table-row;padding:0}
  table.vtable th,table.vtable td{display:table-cell;padding:10px 12px;border-bottom:1px solid var(--line)}
  .recrow{grid-template-columns:80px 1fr}
  .recrow .btn{grid-column:1/-1}
  .intent{grid-template-columns:auto 1fr}
  .intent .btn{grid-column:1/-1}
  .ftr{padding:24px 0 18px}
  .ftr-top{grid-template-columns:1fr;gap:12px}
  .ftr .co p{margin:6px 0 10px}
  .ftr-groups{grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
  .fgrp{border-bottom:1px solid var(--line)}
  .fgrp h2{margin:0}
  html.fx .fgrp-h{display:none}
  .fgrp h2{font-size:18px;padding:14px 0 4px}
  html.fx .fgrp h2{padding:0}
  html.fx .fgrp-t{display:flex;width:100%;justify-content:space-between;align-items:center;min-height:56px;background:none;border:0;font-weight:700;font-size:18px;cursor:pointer;padding:0;color:var(--ink)}
  .fgrp-t::after{content:"+";color:var(--red);font-size:24px;font-weight:400}
  .fgrp-t[aria-expanded=true]::after{content:"–"}
  html.fx .fgrp ul{display:none;padding:0 0 10px}
  html.fx .fgrp.open ul{display:block}
  .fgrp a{min-height:46px}
  .ftr .legal{margin-top:14px;font-size:14px}
  .bigsearch{flex-wrap:wrap;padding:6px}
  .bigsearch>.ico{display:none}
  .bigsearch input{flex:1 1 100%;padding:0 10px;font-size:17px}
  .bigsearch .btn{width:100%}
  .pd-nav{top:64px}
  html{scroll-padding-top:120px}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1fr 1.5fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 14px rgba(30,25,15,.08)}
  .mbar a,.mbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:62px;background:none;border:0;font-size:13px;font-weight:600;color:var(--ink);text-decoration:none;cursor:pointer;line-height:1.2;padding:0 4px;text-align:center}
  .mbar .line{background:var(--red);color:#fff;font-size:15px;flex-direction:row;gap:8px;margin:6px;border-radius:10px;min-height:50px}
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .lp{padding:20px}
  .lp-fields{grid-template-columns:1fr}
}
@media (max-width:600px){
  svg.dg-wide{display:none!important}
  svg.dg-narrow{display:block!important}
  .diagram.dg{padding:12px}
  .dg .dg-narrow{max-width:420px;margin:0 auto}
  .pgrid,.pgrid.c3{grid-template-columns:1fr;gap:14px}
  .pimg{aspect-ratio:5/4}
  .pimg img{padding:8px}
  .pcard .body{padding:14px 16px 16px}
  .pname{font-size:21px;margin-bottom:8px}
  .pspec dt{font-size:16px}
  .pspec .val{font-size:18px}
  .pact .btn{font-size:17px;min-height:54px}
  .pgrid.list .pcard{flex-direction:column}
  .pgrid.list .pimg{width:auto;aspect-ratio:4/3;border-right:0;border-bottom:1px solid var(--line)}
}
@media (max-width:420px){
  .probs,.probs-2{grid-template-columns:1fr}
  .kshort{grid-template-columns:1fr}
  .apps,.apps-home{grid-template-columns:repeat(3,1fr)}
  .mbar a span,.mbar button span{font-size:12px}
}
.cgrid>*{min-width:0}
.way{min-width:0}
.way b,.ftr a[href^="mailto:"]{overflow-wrap:anywhere}
.coaddr{font-style:normal;color:var(--ink-2);line-height:1.6}
.coaddr b{color:var(--ink)}
/* ---- measurement consent ---- */
.consent{position:fixed;left:12px;right:12px;bottom:12px;z-index:80;max-width:560px;margin:0 auto;background:var(--surface);border:2px solid var(--ink);border-radius:12px;padding:14px 16px;box-shadow:0 10px 30px rgba(30,25,15,.25)}
.consent p{margin:0 0 10px;font-size:15px;line-height:1.55}
.consent-btns{display:flex;gap:10px;justify-content:flex-end}
.consent-btns .btn{min-width:110px;min-height:44px}
@media (max-width:980px){.consent{bottom:84px}}
/* ---- quick product layout (pilot): selector and price request in the page header ---- */
.pdq{align-items:start}
.pdq .gallery{position:sticky;top:96px}
.pdq-brand{margin:0 0 2px;font-size:15px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--red)}
.pdq-brand a{text-decoration:none}
.pdq .pd-info h1{font-size:32px;margin-bottom:8px}
.pdq .what{font-size:17px;margin-bottom:12px}
.keyspecs.pdq-key{grid-template-columns:repeat(3,1fr);margin:0 0 18px}
.keyspecs.pdq-key div{padding:9px 12px}
.keyspecs.pdq-key dt{font-size:13px;line-height:1.35}
.keyspecs.pdq-key dd{font-size:16px;line-height:1.35}
.keyspecs.pdq-key small{font-size:12px;line-height:1.35;margin-top:2px}
.keyspecs.pdq-key:has(div:nth-child(2):last-child){grid-template-columns:1fr 2fr}
.keyspecs.pdq-key:has(div:only-child){grid-template-columns:1fr}
.vx-quick-h{font-size:21px;margin:0 0 10px}
.vx-quick .vx-main{display:block}
.vx-quick .vx-pick{grid-template-columns:minmax(0,1fr);gap:14px;margin:0 0 16px}
.vx-quick .vx-mod{grid-template-columns:1fr 1fr}
.vx-quick .vx-thk,.vx-quick .vx-thk.vx-n4{grid-template-columns:repeat(4,minmax(0,1fr))}
.vx-quick .vx-sel{max-width:none}
.vx-quick .vx-f legend{font-size:16px;margin-bottom:8px}
.vx-quick .vx-opt span{min-height:52px;padding:6px 8px}
.vx-quick .vx-opt b{font-size:18px}
.vx-quick .vx-opt small{font-size:14px}
.vx-quick .vx-size b{font-size:17px}
.vx-quick .vx-card{padding:16px 18px 18px}
.vx-quick .vx-name{font-size:19px;margin:0 0 10px;line-height:1.35}
.vx-quick .vx-name span{font-size:14px}
.vx-quick .vx-img{float:right;width:112px;max-width:34%;margin:0 0 8px 12px;border:1px solid var(--line)}
.vx-quick .vx-buy{clear:both}
.vx-one .vx-pick,.vx-one .vx-quick-h{display:none}
.lx-quick .tx-l{font-size:16px;margin-bottom:8px}
.lx-quick .tx-sel{min-height:50px;font-size:16px}
/* every picker: buttons per row chosen at build time from the longest label (core.mjs optCols), same look as the selector pages */
.vx-opts.vx-c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.vx-opts.vx-c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.vx-opts.vx-c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.vx-opts.vx-c1{grid-template-columns:minmax(0,1fr)}
.vx-opts.vx-c3 .vx-opt b,.vx-opts.vx-c2 .vx-opt b{font-size:17px}
.vx-opts.vx-c1 .vx-opt b{font-size:16px;font-weight:600}
.vx-opt b,.vx-opt small{overflow-wrap:anywhere}
@media (max-width:419px){.vx-opts.vx-c4 .vx-opt span,.vx-opts.vx-c3 .vx-opt span{padding:6px 2px}.vx-opts.vx-c4 .vx-opt b,.vx-opts.vx-c3 .vx-opt b{font-size:16px}.vx-opts.vx-c3 .vx-opt small,.vx-opts.vx-c4 .vx-opt small{font-size:13px}}
.vx-btns{margin-top:0}
.vx-quick .vx-thk.vx-n2{grid-template-columns:repeat(2,minmax(0,1fr))}
.lx-optnote{display:flex;gap:8px;align-items:flex-start;margin:0;font-size:14px}
.lx-optnote .ico{width:16px;height:16px;margin-top:3px;flex:none}
.lx-none{border-style:dashed;border-color:var(--line-2);box-shadow:none}
.lx-none-t{margin:0 0 12px;font-size:15px;color:var(--ink-2)}
.lx-none .vx-ask{width:100%;min-height:50px}
.lx-card .vx-buy dt{flex:none;max-width:45%}
.lx-card .vx-buy dd{flex:1 1 0;min-width:0;overflow-wrap:anywhere}
@media (min-width:981px){.lx-quick .vx-buy{grid-template-columns:1fr}}
.tx-quick .tx-l{font-size:16px;margin-bottom:8px}
.tx-quick .tx-sel{min-height:50px;font-size:16px}
.tx-quick .tx-hint{margin:6px 0 0;font-size:14px}
.tx-quick .tx-walls,.tx-quick .tx-path{grid-template-columns:repeat(2,minmax(0,1fr))}
.tx-quick .tx-walls{grid-template-columns:repeat(4,minmax(0,1fr))}
.tx-quick .tx-card [data-f="fits"]{font-size:inherit}
@media (min-width:981px){.tx-quick .vx-buy{grid-template-columns:1fr}}
.vx-quick .vx-buy{margin:0 0 14px}
.vx-quick .vx-buy div{padding:8px 0}
.vx-quick .vx-buy dt{font-size:15px}
.vx-quick .vx-buy dd{font-size:17px}
.vx-quick .vx-buy dd small{display:inline;margin-left:6px;font-size:14px}
.vx-quick .vx-card .vx-ask{min-height:54px;font-size:18px}
.vx-more{margin:12px 0 0;border-top:1px solid var(--line)}
.vx-more summary{cursor:pointer;min-height:46px;display:flex;align-items:center;font-size:15px;font-weight:600;color:var(--ink-2)}
.vx-more summary{list-style:none;justify-content:space-between}
.vx-more summary::-webkit-details-marker{display:none}
.vx-more summary::after{content:"+";font-size:22px;font-weight:400;color:var(--red)}
.vx-more[open] summary::after{content:"–"}
.vx-more .vx-spec{margin:0 0 4px}
@media (min-width:981px){
  .vx-quick .vx-buy{grid-template-columns:1fr 1fr;column-gap:28px}
  .vx-quick .vx-thk.vx-n4 .vx-opt span,.vx-quick .vx-opt span{min-height:48px}
}
.pdq-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin:14px 0 0;font-size:15px}
.pdq-links a{min-height:44px;display:inline-flex;align-items:center}
.pdq-d>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:48px}
.pdq-d>summary::-webkit-details-marker{display:none}
.pdq-d>summary h2{margin:0}
.pdq-d>summary::after{content:"+";font-size:30px;line-height:1;font-weight:400;color:var(--red)}
.pdq-d[open]>summary::after{content:"–"}
.pdq-d>summary:focus-visible{outline:3px solid var(--red);outline-offset:4px}
.pdq-b{padding-top:14px}
.pdq-b .keyspecs{margin-top:0}
.pdq-b .srcnote{border-top:0;padding-top:0}
.pdq-sec{padding:26px 0}
.vx-m-h h3{font-size:21px;margin:0}
.vx-m-h h3 span{font-size:17px;font-weight:600;color:var(--ink-2)}
@media (max-width:980px){
  .pdq .gallery{position:static}
  .pdq .pd-info h1{font-size:26px}
}
@media (max-width:600px){
  .pdq .gmain{aspect-ratio:16/9}
  .pdq .what{margin-bottom:10px}
  .pdq .keyspecs.pdq-key,.pdq .keyspecs.pdq-key:has(div){grid-template-columns:1fr;margin-bottom:14px}
  .pdq .keyspecs.pdq-key div{display:grid;grid-template-columns:38% 1fr;gap:10px;align-items:baseline;padding:6px 10px}
  .pdq .thumbs{grid-template-columns:repeat(7,1fr);margin-top:6px}
  .pdq-sec{padding:18px 0}
}
@media (max-width:419px){.vx-quick .vx-thk .vx-opt span{padding:6px 2px}.vx-quick .vx-thk .vx-opt b{font-size:16px;white-space:nowrap}}
@media (max-width:359px){.keyspecs.pdq-key{grid-template-columns:1fr 1fr}}
@media (min-width:601px) and (max-width:980px){.pd-hero.pdq{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.hdr,.mbar,.ftr,.linebox,.pd-nav,.drawer,.lp-back{display:none!important}body{background:#fff}}

/* owner / dev panel (only rendered when dev mode is on) */
.devp{position:fixed;left:12px;bottom:84px;z-index:200;max-width:440px;max-height:60vh;overflow:auto;background:#101010;color:#E8E8E8;font:13px/1.5 ui-monospace,Consolas,monospace;border-radius:10px;padding:12px 14px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.devp b{color:#FFD479}.devp .x{float:right;background:none;border:0;color:#fff;cursor:pointer}
.nw{white-space:nowrap}

/* Colour swatches on a product page (photo + colour name) */
.swatches{list-style:none;margin:10px 0 22px;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.swatches li{margin:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.swatches img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.swatches span{display:block;padding:8px 10px;font-size:15px;font-weight:600;line-height:1.35;overflow-wrap:anywhere}
@media (max-width:600px){.swatches{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.swatches span{font-size:14px;padding:7px 8px}}
.swatches li>button{display:block;width:100%;padding:0;border:0;background:none;font:inherit;color:inherit;text-align:left;cursor:pointer}
.swatches li>button:hover span,.swatches li>button:focus-visible span{color:var(--red);text-decoration:underline}
.lx-cprev{display:flex;align-items:center;gap:10px;margin:10px 0 4px}
.lx-cprev[hidden]{display:none}
.lx-cprev img{width:96px;height:54px;object-fit:cover;border:1px solid var(--line);border-radius:6px;flex:none}
.lx-cprev span{font-weight:600;font-size:15px;overflow-wrap:anywhere;min-width:0}
/* colour photos to press inside the picker */
.lx-colours{min-width:0}
.lx-swh{margin:10px 0 6px;font-size:14px;font-weight:600;color:var(--muted)}
.lx-sws{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:6px}
.lx-sw{position:relative;display:block;border:2px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden;cursor:pointer}
.lx-sw input{position:absolute;opacity:0;width:1px;height:1px}
.lx-sw img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.lx-sw span{display:block;padding:4px 5px 5px;font-size:12px;line-height:1.3;font-weight:600;overflow-wrap:anywhere}
.lx-sw:hover{border-color:var(--line-2)}
.lx-sw:has(input:checked){border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.lx-sw:has(input:checked) span{background:var(--ink);color:#fff}
.lx-sw:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}
.lx-hint{margin:8px 0 0;line-height:1.5}
.lx-auto .tx-l{margin:0 0 6px}
.lx-autov{margin:0;padding:11px 14px;border:1.5px dashed var(--line-2);border-radius:8px;color:var(--muted);font-size:15px}
.lx-autov.on{border-style:solid;background:var(--surface);color:var(--ink);font-weight:600;font-size:16px}
/* "in stock" shortcuts in the picker */
.lx-stk{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.lx-stkb{display:flex;align-items:center;gap:8px;padding:6px;border:2px solid var(--line);border-radius:8px;background:var(--surface);font:inherit;color:inherit;text-align:left;cursor:pointer;min-width:0}
.lx-stkb img{width:56px;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:5px;flex:none}
.lx-stkb span{display:grid;min-width:0;line-height:1.3}
.lx-stkb b{font-size:14px;overflow-wrap:anywhere}
.lx-stkb small{font-size:13px;color:var(--muted)}
.lx-stkb:hover{border-color:var(--line-2)}
.lx-stkb.on{border-color:var(--ink);background:var(--ink);color:#fff}
.lx-stkb.on small{color:#E8E2D6}
.lx-stockrow dd{color:var(--red);font-weight:700}
@media (max-width:600px){.lx-stk{grid-template-columns:repeat(2,minmax(0,1fr))}}

.doc.doc-ref{border-style:dashed}
.doc.doc-ref:hover{border-color:var(--line)}
p.mega-h{line-height:1.3;font-weight:700;margin:0 0 6px}

/* ---- phone type scale: generated by src/lib/mobile-type.mjs — do not edit here ---- */
@media (max-width:600px){
:root{--fs:16px}
h1{font-size:32px}
h2{font-size:25px}
h3{font-size:18px}
.h-sm{font-size:20px}
.h-xs{font-size:15px}
.small{font-size:14px}
.btn{font-size:15px}
.btn.sm{font-size:15px}
.chip{font-size:15px}
.eyebrow{font-size:14px}
.logo{font-size:16px}
.nav>a,.nav>button{font-size:15px}
.hdr-line{font-size:15px}
.langs a{font-size:14px}
.mcat b{font-size:15px}
.mcat span span{font-size:14px}
.mlist a{font-size:15px}
.mega-brands{font-size:14px}
.mega-h{font-size:15px}
.hero h1{font-size:36px}
.hero .lead{font-size:18px}
.bigsearch input{font-size:16px}
.examples{font-size:15px}
.prob{font-size:16px}
.prob small{font-size:14px}
.cat b{font-size:16px}
.cat .body>span{font-size:14px}
.cat em{font-size:14px}
.brandrow a{font-size:14px}
.dcard .q{font-size:18px}
.dcard .a b{font-size:16px}
.decide-note{font-size:15px}
.decide.compact .dcard .q{font-size:16px}
.decide.compact .dcard .a b{font-size:15px}
.pname{font-size:17px}
.pn-brand{font-size:15px}
.pspec{font-size:15px}
.pspec dt{font-size:14px}
.pspec .val{font-size:15px}
.pact .btn{font-size:15px}
.why b{font-size:15px}
.why span span{font-size:14px}
.art b{font-size:16px}
.art .body>span{font-size:14px}
.final h2{font-size:25px}
.ftr{font-size:15px}
.ftr .co p{font-size:15px}
.fgrp h2{font-size:15px}
.ftr .legal{font-size:14px}
.dlink-sub{font-size:15px}
.crumb{font-size:14px}
.lead{font-size:17px}
.infobox{font-size:15px}
.meta{font-size:14px}
.fgroup legend{font-size:15px}
.fgroup label{font-size:15px}
.seg button{font-size:14px}
.sel{font-size:14px}
.pd-info h1{font-size:30px}
.alias{font-size:15px}
.what{font-size:16px}
.keyspecs dd{font-size:16px}
.srcnote{font-size:14px}
.pd-nav a{font-size:15px}
.pd-sec h2{font-size:22px}
.fact h3{font-size:16px}
.fact p{font-size:15px}
.usecard span{font-size:14px}
table.spec{font-size:15px}
table.spec thead th{font-size:14px}
.vx-lead{font-size:16px}
.vx-f legend{font-size:16px}
.vx-size b{font-size:16px}
.vx-buy dd small{font-size:14px}
.vx-avail{font-size:15px}
.vx-m-h h4 span{font-size:15px}
.vx-tg-h{font-size:15px}
.vx-sz b{font-size:16px}
.vx-sz small{font-size:14px}
.tx-l{font-size:16px}
.tx-sel{font-size:16px}
.tx-path .vx-opt b{font-size:15px}
.tx-walls .vx-opt b{font-size:16px}
.tx-card [data-f="fits"]{font-size:16px}
.tx-w summary{font-size:15px}
.tx-w summary b{font-size:16px}
.vx-opt b{font-size:17px}
.vx-opt small{font-size:15px}
.vx-eyebrow{font-size:14px}
.vx-name{font-size:18px}
.vx-name span{font-size:15px}
.vx-buy dt{font-size:15px}
.vx-buy dd{font-size:18px}
.vx-spec dt{font-size:15px}
.vx-spec dd{font-size:16px}
.vx-card .vx-ask{font-size:16px}
.vx-note{font-size:14px}
.vx-all-h{font-size:20px}
.vx-all-lead{font-size:15px}
.vx-m-h h4{font-size:18px}
.vx-m-h p{font-size:15px}
.vx-t{font-size:17px}
.vx-d{font-size:15px}
.vx-rows .vx-ask-sm{font-size:15px}
.vx-mt h3{font-size:17px}
.vx-mt dt{font-size:15px}
.vx-mt dd{font-size:16px}
.vx-common dt{font-size:15px}
.vx-common dd{font-size:16px}
.vx-common small{font-size:14px}
.vx-std summary{font-size:15px}
.vx-std ul{font-size:15px}
.doc b{font-size:15px}
.steps li::before{font-size:14px}
details.faq summary{font-size:16px}
details.faq summary::after{font-size:20px}
.linebox h2{font-size:22px}
.msgprev{font-size:14px}
.abody h2{font-size:22px}
.answer{font-size:16px}
.answer b.t{font-size:14px}
.limits h3{font-size:16px}
.toc{font-size:15px}
.diagram figcaption{font-size:14px}
table.compare{font-size:15px}
.rname{font-size:16px}
.why-fit{font-size:15px}
.solcard b{font-size:16px}
.solcard span span{font-size:14px}
.typecard b{font-size:15px}
.typecard span{font-size:14px}
.app{font-size:15px}
.brandcard b{font-size:17px}
.brandcard span{font-size:14px}
.brandcard em{font-size:14px}
.sbar input{font-size:16px}
.intent b{font-size:18px}
.understood{font-size:14px}
.scount{font-size:14px}
.snote{font-size:15px}
.slink span{font-size:14px}
.ccard h2{font-size:21px}
.way b{font-size:16px}
.way span span{font-size:14px}
.flow li::before{font-size:14px}
.flow span{font-size:14px}
.lp h2{font-size:20px}
.lp-status{font-size:14px}
.drw-search input{font-size:16px}
.acc summary{font-size:16px}
.acc summary::after{font-size:20px}
.acc a{font-size:15px}
.dlink{font-size:16px}
.kcount,.knone{font-size:15px}
.kshort a{font-size:15px}
.klist b{font-size:16px}
.klist span{font-size:14px}
.gloss dt{font-size:16px}
.gloss .en{font-size:14px}
.gloss dd{font-size:15px}
.khero h1{font-size:30px}
.khero .lead{font-size:17px}
.kentry b{font-size:16px}
.kstart-list b{font-size:15px}
.khelp h2{font-size:21px}
.dg-legend li{font-size:15px}
.nav>a,.nav>button{font-size:15px}
:root{--fs:15px}
h1,.hero h1{font-size:25px}
h2{font-size:21px}
.h-sm{font-size:18px}
.pd-info h1{font-size:22px}
.logo{font-size:15px}
.prob{font-size:15px}
.cat b{font-size:15px}
.khero h1{font-size:25px}
.khero .lead{font-size:16px}
.kentry b{font-size:15px}
.kshort a{font-size:15px}
.keyspecs dd{font-size:15px}
table.spec tbody th{font-size:14px}
table.spec td.v{font-size:16px}
.fgrp h2{font-size:16px}
html.fx .fgrp-t{font-size:16px}
.fgrp-t::after{font-size:20px}
.bigsearch input{font-size:16px}
.mbar .line{font-size:14px}
.pname{font-size:18px}
.pspec dt{font-size:15px}
.pspec .val{font-size:16px}
.pact .btn{font-size:15px}
.consent p{font-size:14px}
.pdq-brand{font-size:14px}
.pdq .pd-info h1{font-size:25px}
.pdq .what{font-size:15px}
.keyspecs.pdq-key dd{font-size:15px}
.vx-quick-h{font-size:18px}
.vx-quick .vx-f legend{font-size:15px}
.vx-quick .vx-opt b{font-size:16px}
.vx-quick .vx-size b{font-size:15px}
.vx-quick .vx-name{font-size:16px}
.lx-quick .tx-l{font-size:15px}
.lx-quick .tx-sel{font-size:15px}
.vx-opts.vx-c3 .vx-opt b,.vx-opts.vx-c2 .vx-opt b{font-size:15px}
.vx-opts.vx-c1 .vx-opt b{font-size:15px}
.lx-none-t{font-size:14px}
.tx-quick .tx-l{font-size:15px}
.tx-quick .tx-sel{font-size:15px}
.vx-quick .vx-buy dt{font-size:14px}
.vx-quick .vx-buy dd{font-size:15px}
.vx-quick .vx-card .vx-ask{font-size:16px}
.vx-more summary{font-size:14px}
.vx-more summary::after{font-size:18px}
.pdq-links{font-size:14px}
.pdq-d>summary::after{font-size:23px}
.vx-m-h h3{font-size:18px}
.vx-m-h h3 span{font-size:15px}
.pdq .pd-info h1{font-size:21px}
.swatches span{font-size:14px}
.lx-cprev span{font-size:14px}
.lx-autov{font-size:14px}
.lx-autov.on{font-size:15px}
body{line-height:1.6}
section{padding:30px 0}.sec-tight{padding:22px 0}
.btn{min-height:46px;padding:0 18px}.btn.sm{min-height:42px}
.pact .btn{min-height:46px}
.pd-hero{gap:14px;padding:8px 0 24px}.gmain{aspect-ratio:4/3}.gmain img{padding:10px}.thumbs{grid-template-columns:repeat(6,1fr)}
}
@media (max-width:419px){
.vx-opts.vx-c4 .vx-opt b,.vx-opts.vx-c3 .vx-opt b{font-size:15px}
.vx-quick .vx-thk .vx-opt b{font-size:15px}
}
@media (max-width:400px){
.tx-walls .vx-opt b{font-size:15px}
}