/* YLT Attachment : shared structure. Each design version sets the tokens below and adds its own character. */
:root{
  --bg:#fff;--surface:#f6f6f6;--surface-2:#ececec;--ink:#111;--ink-2:#333;--muted:#666;--line:#ddd;--line-strong:#111;
  --accent:#0a58ca;--accent-ink:#fff;--pop:#e8f0ff;--pop-ink:#0a3d91;--plate:#f3f3f5;--plate-photo:#e9e9ec;
  --radius:8px;--radius-lg:14px;--btn-radius:999px;
  --font-display:system-ui,sans-serif;--font-body:system-ui,sans-serif;--font-mono:ui-monospace,Menlo,Consolas,monospace;
  --display-weight:700;--display-case:none;--display-track:0;--display-lh:1.05;
  --eyebrow-case:uppercase;--eyebrow-track:.12em;
  --wrap:1240px;--gutter:clamp(16px,4vw,40px);--hdr-h:64px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
a,button,input,select,label,summary{touch-action:manipulation}
button,a{-webkit-tap-highlight-color:transparent}
select{background-color:var(--field-bg,var(--bg));color:var(--ink)}
.skip{position:absolute;left:12px;top:-60px;z-index:200;padding:10px 16px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600;font-size:14px}
.skip:focus{top:12px}
#app:focus{outline:none}
html{scroll-padding-top:calc(var(--hdr-h) + 56px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr{position:absolute;left:0;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nw{white-space:nowrap}.muted{color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
[aria-invalid="true"]{border-color:#da1e28!important;box-shadow:inset 0 -2px 0 #da1e28}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--display-weight);text-transform:var(--display-case);letter-spacing:var(--display-track);line-height:var(--display-lh);margin:0;text-wrap:balance}
p{margin:0}
.eyebrow{font-size:12px;letter-spacing:var(--eyebrow-track);text-transform:var(--eyebrow-case);color:var(--muted);font-weight:600}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--ink-2);max-width:62ch;line-height:1.5}
.num{font-variant-numeric:tabular-nums}
.model{font-family:var(--font-mono);font-size:.92em;letter-spacing:.01em;white-space:nowrap}
.sel{user-select:all}
.fine{font-size:13px;color:var(--muted);max-width:80ch}
.fine a{color:var(--accent)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--btn-radius);background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap;transition:filter .15s,background .15s}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn.ghost:hover{background:var(--surface)}
.btn.small{min-height:36px;padding:0 16px;font-size:14px}

/* header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--hdr-bg,var(--bg));border-bottom:1px solid var(--hdr-line,var(--line));backdrop-filter:saturate(1.4) blur(14px)}
.hdr-in{max-width:calc(var(--wrap) + 160px);margin:0 auto;padding-inline:var(--gutter);height:var(--hdr-h);display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:baseline;gap:8px;text-decoration:none;flex-shrink:0}
.logo-mark{font-family:var(--font-display);font-weight:800;font-size:22px;letter-spacing:.02em}
.logo-word{font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:600;color:var(--muted)}
.main-nav{display:flex;gap:4px;position:relative}
.main-nav>a{white-space:nowrap;padding:8px 12px;text-decoration:none;font-size:14px;font-weight:500;color:var(--nav-ink,var(--ink-2));border-radius:6px}
.main-nav>a:hover,.main-nav>a.on{color:var(--ink)}
.main-nav>a.on{box-shadow:inset 0 -2px 0 var(--accent)}
.mega{position:absolute;top:100%;left:0;margin-top:12px;display:none;grid-template-columns:repeat(4,minmax(190px,1fr));gap:28px;padding:28px;background:var(--mega-bg,var(--bg));border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 20px 50px rgba(0,0,0,.18);width:min(920px,80vw)}
.main-nav>a[data-nav="#products"]:hover~.mega,.mega:hover{display:grid}
.main-nav>a[data-nav="#products"]::after{content:"";position:absolute;left:0;right:0;top:100%;height:14px}
.mega:focus-within,.main-nav>a[data-nav="#products"]:focus-visible~.mega{display:grid}
.mega-col{display:flex;flex-direction:column;gap:6px;min-width:0}
.mega-col a{text-decoration:none;font-size:14px;color:var(--ink-2)}
.mega-col a:hover{color:var(--accent)}
.mega-col .mega-h{font-family:var(--font-display);font-weight:var(--display-weight);text-transform:var(--display-case);letter-spacing:var(--display-track);color:var(--ink);font-size:15px;margin-bottom:6px}
.hdr-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-btn{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--btn-radius);background:var(--surface);font-size:14px;color:var(--muted)}
.search-btn svg,.s-input svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8}
.search-btn kbd{font-family:var(--font-mono);font-size:11px;border:1px solid var(--line);border-radius:4px;padding:0 5px}
.lang-btn{height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--btn-radius);background:transparent;font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap}
.lang-btn:hover{border-color:var(--ink-2);color:var(--ink)}
.lang-btn .l-en{display:none}
[data-lang="zh"] .lang-btn .l-en{display:inline}
[data-lang="zh"] .lang-btn .l-zh{display:none}
.units{display:flex;border:1px solid var(--line);border-radius:var(--btn-radius);overflow:hidden;height:38px}
.units button{border:0;background:transparent;padding:0 11px;font-size:12px;font-weight:600;color:var(--muted);white-space:nowrap}
.units button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.quote-btn{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:var(--btn-radius);background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600;font-size:14px}
.quote-btn b{min-width:20px;height:20px;border-radius:10px;background:rgba(255,255,255,.22);display:grid;place-items:center;font-size:12px;padding:0 5px}
.menu-btn{display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:8px;background:transparent;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-btn span{width:16px;height:2px;background:var(--ink);display:block}

/* footer */
.site-footer{margin-top:120px;background:var(--ftr-bg,var(--surface));color:var(--ftr-ink,var(--ink));border-top:1px solid var(--line)}
.ftr-in{max-width:var(--wrap);margin:0 auto;padding:64px var(--gutter) 40px;display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:32px}
.ftr-brand p{margin-top:14px;font-size:14px;color:var(--muted);max-width:32ch}
.ftr-col{display:flex;flex-direction:column;gap:8px;min-width:0}
.ftr-col h4{font-size:13px;margin-bottom:6px}
.ftr-col a,.ftr-col p{font-size:13px;color:var(--muted);text-decoration:none}
.ftr-col a:hover{color:var(--ink)}
.ftr-base{max-width:var(--wrap);margin:0 auto;padding:20px var(--gutter) 40px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}

/* page */
.page{padding-block:48px 0}
.page-head{display:flex;flex-direction:column;gap:14px;margin-bottom:40px}
.page-head h1{font-size:clamp(34px,5vw,60px)}
.seg{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.seg a{padding:8px 14px;border:1px solid var(--line);border-radius:var(--btn-radius);text-decoration:none;font-size:14px;color:var(--ink-2)}
.seg a.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.group-block{margin-top:56px}
.group-h{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line-strong);padding-bottom:12px;margin-bottom:24px}
.group-h h2{font-size:clamp(22px,2.4vw,30px)}
.group-h span{font-size:13px;color:var(--muted)}

/* family cards */
.fam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.fam-card{display:flex;flex-direction:column;text-decoration:none;background:var(--card-bg,var(--bg));border:1px solid var(--card-line,var(--line));border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}
.fam-card:hover{border-color:var(--ink-2);transform:translateY(-2px)}
.plate{--pp:18px;position:relative;background:var(--plate);aspect-ratio:4/3;overflow:hidden}
.plate img{position:absolute;left:var(--pp);top:var(--pp);width:calc(100% - 2*var(--pp));height:calc(100% - 2*var(--pp));max-width:none;object-fit:contain;transition:transform .35s}
.fam-card:hover .plate img{transform:scale(1.04)}
.plate.photo{--pp:0px}.plate.photo img{object-fit:cover}
.plate.sm{--pp:8px;aspect-ratio:4/3;width:120px;border-radius:6px;margin-bottom:8px}
.plate.xs{--pp:4px;width:48px;height:40px;aspect-ratio:auto;border-radius:6px;flex-shrink:0}
.fam-meta{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.fam-group{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.fam-meta h3{font-size:20px}
.fam-meta p{font-size:14px;color:var(--ink-2);line-height:1.45}
.fam-stats{display:flex;gap:20px;margin:auto 0 0;padding-top:12px;border-top:1px solid var(--line)}
.fam-stats div{display:flex;flex-direction:column}
.fam-stats dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.fam-stats dd{margin:0;font-weight:600;font-size:14px;font-variant-numeric:tabular-nums}

.cta-strip{margin-top:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:32px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line)}
.cta-strip h3{font-size:22px;margin-bottom:6px}
.cta-strip p{color:var(--ink-2);font-size:15px}

/* family page */
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--muted);padding-top:20px;flex-wrap:wrap}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink)}
.crumbs b{color:var(--ink-2);font-weight:500}
.family-page{padding-top:0}
.fam-hero{padding-block:28px 48px}
.fam-hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:center}
.fam-hero-text{display:flex;flex-direction:column;gap:18px;min-width:0}
.fam-hero-text h1{font-size:clamp(38px,5.4vw,68px)}
.kpis{display:flex;flex-wrap:wrap;gap:12px 36px;margin:6px 0 0}
.kpis div{display:flex;flex-direction:column;gap:2px}
.kpis dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.kpis dd{margin:0;font-size:22px;font-weight:600;font-variant-numeric:tabular-nums;font-family:var(--font-display)}
.hero-acts{display:flex;gap:12px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.chips-l{font-size:12px;color:var(--muted);margin-right:6px}
.chip{font-size:12px;padding:4px 10px;border-radius:var(--btn-radius);border:1px solid var(--line);color:var(--ink-2)}
.fam-hero-media{min-width:0}
.render-stage{background:var(--plate);border-radius:var(--radius-lg);aspect-ratio:5/4;display:grid;place-items:center;padding:6%}
.render-stage img{max-height:100%;width:auto;object-fit:contain}
.photo-stage{border-radius:var(--radius-lg);overflow:hidden}.photo-stage img{width:100%}
.render-thumbs{display:flex;gap:10px;margin-top:12px}
.render-thumbs button{width:84px;height:68px;padding:6px;border-radius:8px;border:1px solid var(--line);background:var(--plate)}
.render-thumbs button.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.render-thumbs img{width:100%;height:100%;object-fit:contain}
.subnav{position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--hdr-h));z-index:40;background:var(--hdr-bg,var(--bg));border-block:1px solid var(--line);backdrop-filter:blur(14px)}
.subnav .wrap{display:flex;gap:4px;overflow-x:auto}
.subnav a{padding:14px 14px;font-size:14px;text-decoration:none;color:var(--ink-2);white-space:nowrap}
.subnav a:hover{color:var(--ink)}
.overview{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px;padding-block:56px}
.overview h2{font-size:26px;margin-bottom:14px}
.overview h3{font-size:16px;margin-bottom:12px}
.overview p{color:var(--ink-2);max-width:60ch}
.overview>*{min-width:0}
.ticks,.opts{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:15px;color:var(--ink-2)}
.ticks li,.opts li{padding-left:22px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.opts li::before{content:"+";position:absolute;left:2px;top:0;color:var(--accent);font-weight:700}
.sec-h{font-size:clamp(26px,3vw,36px);margin-bottom:24px}
.sec-h-row{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}
.hint{font-size:13px;color:var(--muted)}
section[id]{scroll-margin-top:calc(var(--hdr-h) + 60px)}
#specs,#hydraulics,#applications,#functions,#types{padding-block:40px}

/* spec tables */
.spec-block{margin-bottom:48px;scroll-margin-top:calc(var(--hdr-h) + 60px)}
.spec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.spec-head>div{display:flex;flex-direction:column;gap:4px;min-width:0}
.spec-head h3{font-size:19px}
.spec-head .count{font-size:13px;color:var(--muted)}
.drawing-btn{display:flex;align-items:center;gap:12px;padding:6px 14px 6px 6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);text-align:left;cursor:zoom-in;flex-shrink:0}
.drawing-btn img{width:104px;height:64px;object-fit:contain;background:#fff;border-radius:3px}
.drawing-btn span{font-size:13px;font-weight:600;display:flex;flex-direction:column}
.drawing-btn small{font-weight:400;color:var(--muted);font-size:11px}
.drawing-btn:hover{border-color:var(--ink-2)}
.spec-body.has-drawing{display:grid;grid-template-columns:minmax(220px,300px) minmax(0,1fr);gap:20px;align-items:start}
.drawing{margin:0;position:sticky;top:calc(var(--hdr-h) + 64px)}
.drawing button{display:block;width:100%;padding:10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;cursor:zoom-in}
.drawing img{width:100%}
.drawing figcaption{font-size:12px;color:var(--muted);margin-top:6px}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--tbl-bg,var(--bg));min-width:0}
table.spec{border-collapse:collapse;width:100%;font-size:14px}
.spec th,.spec td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;vertical-align:middle}
.spec thead th{position:sticky;top:0;background:var(--th-bg,var(--surface));font-size:12px;font-weight:600;color:var(--ink-2);vertical-align:bottom;white-space:normal;min-width:72px;line-height:1.3}
.spec thead th small{display:block;font-weight:500;color:var(--muted);font-size:11px;margin-top:2px}
.spec tbody tr:hover td{background:var(--row-hover,var(--surface))}
.spec tr.pop td{background:var(--pop)}
.spec tr.pop:hover td{background:var(--pop)}
.spec tr.grp th{background:var(--surface-2);font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);padding:7px 12px}
.spec td.first{position:sticky;left:0;background:inherit;z-index:1}
.spec tbody td.first{background:var(--tbl-bg,var(--bg))}
.spec tr.pop td.first{background:var(--pop)}
.badge{display:inline-block;margin-left:8px;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:999px;background:var(--pop-ink);color:var(--pop-badge-ink,#fff);vertical-align:middle}
.spec td.act{text-align:right;width:1%;position:sticky;right:0;background:var(--tbl-bg,var(--bg));box-shadow:-8px 0 12px -10px rgba(0,0,0,.35)}
.spec tr.pop td.act{background:var(--pop)}
.spec thead th.act-h{position:sticky;right:0;z-index:2}
.act-h{width:1%}
.cmp{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);margin-right:10px;cursor:pointer}
.cmp input{accent-color:var(--accent)}
.add{height:30px;padding:0 12px;border-radius:var(--btn-radius);border:1px solid var(--accent);background:transparent;color:var(--accent);font-size:12px;font-weight:600;white-space:nowrap}
.add:hover{background:var(--accent);color:var(--accent-ink)}
.add.in{background:var(--accent);color:var(--accent-ink)}
.notes{margin:12px 0 0;padding-left:18px;font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.spec-block.small{margin-bottom:0}
.hyd-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:24px}
.remarks{border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 32px;background:var(--surface);margin-top:24px}
.remarks h3{font-size:18px;margin-bottom:12px}
.remarks ol{margin:0 0 14px;padding-left:20px;display:flex;flex-direction:column;gap:6px;color:var(--ink-2);font-size:15px}
.remarks a{color:var(--accent);font-weight:600;text-decoration:none;font-size:14px}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.photo-grid .ph,.gallery .g-item,.func-img,.g-img{padding:0;border:0;background:var(--plate-photo);border-radius:var(--radius);overflow:hidden;cursor:zoom-in;display:block}
.photo-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s}
.photo-grid .ph:hover img{transform:scale(1.03)}
.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.item-card{display:flex;flex-direction:column;gap:10px}
.item-card .plate{border-radius:var(--radius)}
.item-card h3{font-size:18px}.item-card p{font-size:14px;color:var(--ink-2)}
.func-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.func{display:flex;flex-direction:column;gap:10px}
.func-img{background:#fff;border:1px solid var(--line);padding:10px}
.func-img img{width:100%;max-height:260px;object-fit:contain}
.func h3{font-size:17px}.func p{font-size:14px;color:var(--ink-2)}
.pager{display:flex;justify-content:space-between;gap:16px;padding-block:56px 0}
.pager a{display:flex;flex-direction:column;gap:2px;text-decoration:none;font-family:var(--font-display);font-size:20px;font-weight:var(--display-weight);text-transform:var(--display-case)}
.pager a small{font-family:var(--font-body);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.pager a.nx{text-align:right}
.pager a:hover{color:var(--accent)}

/* finder */
.finder{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:14px 16px;align-items:end;padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.finder label,.home-finder label,.q-form label,.calc-form label{display:flex;flex-direction:column;gap:6px;min-width:0}
.finder label>span,.home-finder label>span,.q-form label>span,.calc-form label>span{font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.finder input,.finder select,.home-finder input,.home-finder select,.q-form input,.q-form textarea,.calc-form input,.calc-form select{height:44px;padding:0 12px;border:1px solid var(--field-line,var(--line));border-radius:var(--field-radius,8px);background:var(--field-bg,var(--bg));width:100%;min-width:0}
.q-form textarea{height:auto;padding:12px}
.finder .f-check{flex-direction:row;align-items:center;gap:8px;height:44px}
.finder .f-check input{width:18px;height:18px;accent-color:var(--accent)}
.result-count{margin:20px 0 10px;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.finder-tbl{max-height:72vh}
.finder-tbl td a{text-decoration:none}.finder-tbl td a:hover{color:var(--accent)}
.finder-tbl .sub{display:block;font-size:11px;color:var(--muted)}
.finder-tbl .cmp{margin-right:6px}
.finder-tbl .cmp span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.finder-tbl th,.finder-tbl td{padding-inline:10px}
.empty{text-align:center!important;color:var(--muted);padding:40px!important;white-space:normal!important}
.finder-page .fine{margin-top:14px}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.g-item{position:relative;text-align:left}
.g-item img{width:100%;aspect-ratio:3/2;object-fit:cover}
.g-item span{display:block;padding:9px 12px;font-size:13px;font-weight:500;background:var(--bg);color:var(--ink-2)}

/* guide */
.guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px}
.guide-toc{position:sticky;top:calc(var(--hdr-h) + 24px);align-self:start;display:flex;flex-direction:column;gap:14px}
.guide-toc nav{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.guide-toc a{padding:6px 14px;font-size:13px;text-decoration:none;color:var(--ink-2);margin-left:-1px;border-left:2px solid transparent}
.guide-toc a:hover{color:var(--ink);border-left-color:var(--accent)}
.guide-toc .calc-link{color:var(--accent);font-weight:600}
.g-sec{padding-block:32px;border-top:1px solid var(--line);scroll-margin-top:calc(var(--hdr-h) + 24px)}
.g-sec h2{font-size:24px;margin-bottom:14px}
.g-body{display:flex;flex-direction:column;gap:14px;color:var(--ink-2);max-width:76ch}
.g-img{background:#fff;border:1px solid var(--line);padding:14px;max-width:560px}
.guide-tbl th[scope=row]{background:var(--surface);font-weight:600}
.calc{margin-top:32px;padding:32px;border-radius:var(--radius-lg);border:1px solid var(--line-strong);background:var(--calc-bg,var(--surface));scroll-margin-top:calc(var(--hdr-h) + 24px)}
.calc-h{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.calc-h h2{font-size:28px}
.calc-h p{color:var(--ink-2);font-size:15px}
.calc-form{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.calc-form .wide{grid-column:1/-1}
.calc-form label>span b{font-family:var(--font-mono);color:var(--accent);margin-left:4px}
.calc-form small{font-size:11px;color:var(--muted);line-height:1.3}
.inp{position:relative}
.inp input{padding-right:46px;font-variant-numeric:tabular-nums}
.inp i{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-style:normal;font-size:12px;color:var(--muted)}
.calc-out{margin-top:24px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:22px 24px;border-radius:var(--radius);background:var(--ink);color:var(--bg)}
.calc-out div{display:flex;flex-direction:column}
.calc-out span{font-size:12px;text-transform:uppercase;letter-spacing:.1em;opacity:.7}
.calc-out b{font-family:var(--font-display);font-size:40px;font-variant-numeric:tabular-nums;line-height:1.1}
.calc-out p{font-size:14px;opacity:.85;max-width:52ch}
.calc .fine{margin-top:14px}

/* quote */
.quote-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:56px;align-items:start}
.q-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:32px}
.q-item{display:flex;align-items:center;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.q-item:last-child{border-bottom:0}
.q-item .plate{--pp:6px;width:76px;height:60px;aspect-ratio:auto;border-radius:6px;flex-shrink:0}
.q-txt{display:flex;flex-direction:column;gap:2px;flex:1;min-width:180px}
.q-txt a{font-size:14px;text-decoration:none;color:var(--ink-2)}
.q-txt small{font-size:12px;color:var(--muted)}
.q-qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.q-qty button{width:34px;height:36px;border:0;background:var(--surface)}
.q-qty input{width:46px;height:36px;border:0;text-align:center;background:var(--bg)}
.q-rm{border:0;background:none;font-size:13px;color:var(--muted);text-decoration:underline;padding:4px}
.q-empty{display:flex;align-items:center;gap:16px;padding:20px;border:1px dashed var(--line);border-radius:var(--radius-lg);margin-bottom:32px;color:var(--muted)}
.q-form{display:flex;flex-direction:column;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.q-err{color:#c62828;font-size:14px;min-height:1px}
.q-form .btn{align-self:flex-start}
.q-done{display:flex;flex-direction:column;gap:14px;padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.q-done pre{white-space:pre-wrap;font-family:var(--font-mono);font-size:13px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:16px;margin:0;max-height:360px;overflow:auto}
.quote-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--hdr-h) + 24px)}
.contact-card{padding:28px;border-radius:var(--radius-lg);background:var(--ink);color:var(--bg);display:flex;flex-direction:column;gap:12px}
.contact-card .eyebrow{color:inherit;opacity:.7}
.contact-card h2{font-size:26px}
.contact-card dl{margin:8px 0;display:flex;flex-direction:column;gap:12px}
.contact-card dt{font-size:11px;text-transform:uppercase;letter-spacing:.1em;opacity:.65}
.contact-card dd{margin:0;font-size:15px}
.contact-card .btn.ghost{color:var(--bg);border-color:currentColor;align-self:flex-start}
.contact-card .btn.ghost:hover{background:rgba(127,127,127,.2)}
.side-note{padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg)}
.side-note h3{font-size:16px;margin-bottom:10px}
.side-note ul{margin:0;padding-left:18px;font-size:14px;color:var(--ink-2);display:flex;flex-direction:column;gap:6px}

/* compare */
.compare th[scope=row]{background:var(--surface);font-weight:600;font-size:13px;position:sticky;left:0}
.compare th[scope=row] small{display:block;font-weight:400;color:var(--muted)}
.compare thead th{vertical-align:top}
.compare thead th a{display:block;font-size:12px;font-weight:400;color:var(--muted);text-decoration:none;margin:2px 0 4px}
.cmp-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(env(safe-area-inset-bottom,0px) + 20px);z-index:60;display:flex;align-items:center;gap:14px;padding:10px 12px 10px 20px;border-radius:999px;background:var(--ink);color:var(--bg);box-shadow:0 12px 40px rgba(0,0,0,.3);font-size:14px;max-width:calc(100vw - 32px)}
.cmp-bar .q-rm{color:inherit;opacity:.7}

/* overlays */
.overlay{position:fixed;inset:0;overscroll-behavior:contain;z-index:100;background:rgba(5,6,10,.62);backdrop-filter:blur(6px);display:flex;justify-content:center;align-items:flex-start;padding:10vh 16px 16px}
.overlay[hidden]{display:none}
.ov-panel{width:min(680px,100%);background:var(--bg);color:var(--ink);border-radius:var(--radius-lg);box-shadow:0 30px 80px rgba(0,0,0,.4);overflow:hidden;border:1px solid var(--line)}
.s-input{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.s-input input::-webkit-search-cancel-button{display:none}
.s-input input{flex:1;border:0;outline:0;background:transparent;font-size:18px;min-width:0}
.ov-x{border:1px solid var(--line);background:var(--surface);border-radius:6px;font-size:12px;padding:4px 8px}
.s-res{max-height:60vh;overflow:auto;padding:10px}
.s-res h4{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:10px 10px 6px;font-family:var(--font-body)}
.s-fam,.s-mod{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:8px;text-decoration:none}
.s-fam:hover,.s-mod:hover{background:var(--surface)}
.s-fam span:last-child{display:flex;flex-direction:column}
.s-fam small{font-size:12px;color:var(--muted)}
.s-mod{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) auto;font-size:14px}
.s-mod span:nth-child(2){color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.s-hint{padding:14px 10px;color:var(--muted);font-size:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.s-hint a{padding:4px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink-2);font-size:13px}
.lb{align-items:center;padding:24px}
.lb figure{margin:0;max-width:min(1100px,100%);display:flex;flex-direction:column;align-items:center;gap:10px}
.lb img{max-height:80vh;width:auto;background:#fff;border-radius:6px}
.lb figcaption{color:#fff;font-size:14px}
.lb-x{position:absolute;top:16px;right:16px;color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 84px);transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:14px;z-index:120;transition:.25s}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* home finder */
.home-finder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;gap:12px;align-items:end}

/* responsive */
@media (max-width:1180px){.ftr-in{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:980px){
  .main-nav{display:none;position:fixed;top:calc(env(safe-area-inset-top,0px) + var(--hdr-h));left:0;right:0;flex-direction:column;padding:12px var(--gutter) 20px;background:var(--mega-bg,var(--bg));border-bottom:1px solid var(--line);gap:0}
  .menu-open .main-nav{display:flex}
  .main-nav>a{padding:14px 4px;border-bottom:1px solid var(--line);border-radius:0;font-size:16px}
  .main-nav>a.on{box-shadow:none;color:var(--accent)}
  .mega{display:none!important}
  .menu-btn{display:flex}
  .fam-hero-in,.overview,.quote-layout,.guide-layout{grid-template-columns:minmax(0,1fr)}
  .overview{gap:32px}
  .guide-toc{position:static}
  .spec-body.has-drawing{grid-template-columns:1fr}
  .drawing{position:static;max-width:420px}
  .finder{grid-template-columns:1fr 1fr}
  .finder .f-q{grid-column:1/-1}
  .calc-form{grid-template-columns:1fr 1fr}
  .home-finder{grid-template-columns:1fr 1fr}
  .home-finder .btn{grid-column:1/-1}
  .quote-side{position:static}
}
@media (max-width:620px){
  :root{--hdr-h:58px}
  .hdr-in{gap:10px}
  .units button{padding:0 7px;font-size:11px}
  .q-label{display:none}
  .quote-btn{padding:0 9px}
  .lang-btn{padding:0 9px}
  .hdr-tools{gap:6px}
  .logo-word{display:none}
  .quote-btn{padding:0 10px}
  .ftr-in{grid-template-columns:1fr 1fr}
  .ftr-brand{grid-column:1/-1}
  .row2{grid-template-columns:1fr}
  .finder{grid-template-columns:1fr;padding:16px}
  .calc-form{grid-template-columns:1fr}
  .home-finder{grid-template-columns:1fr}
  .cmp span{display:none}
  .calc{padding:20px}
  .remarks{padding:20px}
  .cta-strip{padding:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

@media (max-width:1360px){.search-btn span,.search-btn kbd{display:none}.search-btn{width:38px;justify-content:center;padding:0}.hdr-in{gap:20px}}

/* ---------- review pass additions ---------- */
.m-only{display:none}
.hdr-toggles{display:flex;align-items:center;gap:10px}
.quote-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;flex-shrink:0}
.wrap.wide{max-width:1480px}
.guide-main{min-width:0}
.tbl-wrap{position:relative}
.tbl-wrap.scrolls:not(.at-end){background:linear-gradient(to left,var(--tbl-bg,var(--bg)) 30%,rgba(255,255,255,0)) right/48px 100% no-repeat local,radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,.22),rgba(0,0,0,0)) right/16px 100% no-repeat scroll,var(--tbl-bg,var(--bg))}
@keyframes rowflash{0%,45%{background:#ffd9bd}100%{background:transparent}}
.spec tr.flash td{animation:rowflash 2.4s ease-out}
.spec tr.pop td.first{box-shadow:inset 3px 0 0 var(--pop-ink)}
.subnav a.on{color:var(--ink);border-bottom-color:var(--pop-ink)}
.subnav .sub-q{margin-left:auto;color:var(--accent);font-weight:600}
.f-end{display:flex;align-items:center;justify-content:space-between;gap:8px 14px;flex-wrap:wrap;min-height:44px}
.finder .f-end .f-check{height:auto}
.s-all{display:block;margin-top:6px;padding:12px 10px;border-top:1px solid var(--line);color:var(--accent);font-weight:600;font-size:14px;text-decoration:none}
.s-all:hover,.s-all:focus-visible{background:var(--surface)}
.s-fam:focus-visible,.s-mod:focus-visible{background:var(--surface);outline-offset:-2px}
.calc-form label>span{min-height:2.7em;display:flex;align-items:flex-end;flex-wrap:wrap}
.calc-form label.wide>span{min-height:0}
.q-done .hero-acts{align-items:center}
.q-done h2{font-size:26px}
.q-done p b{font-weight:600}
.lb-scroll{max-height:82vh;max-width:100%;overflow:auto;display:flex;justify-content:center}
.lb img{max-height:78vh;max-width:100%}
.lb-count{opacity:.65;margin-left:10px;font-variant-numeric:tabular-nums}
.lb-x{width:44px;height:44px;font-size:16px;z-index:2}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:48px;height:64px;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:34px;line-height:1;display:grid;place-items:center}
.lb-nav:hover{background:rgba(255,255,255,.28)}
.lb-prev{left:12px}.lb-next{right:12px}
.lb figure{max-width:min(1100px,calc(100% - 128px))}
body.has-cmpbar .site-footer{padding-bottom:84px}
  .toast{background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 30px rgba(0,0,0,.35);max-width:calc(100vw - 32px);text-align:center}
.toast{border-radius:var(--btn-radius)}
body.has-cmpbar .toast{bottom:calc(env(safe-area-inset-bottom,0px) + 96px)}
.cmp-bar{border-radius:var(--btn-radius);white-space:nowrap}
.compare th[scope=row]{min-width:150px;white-space:normal}
.compare thead th{min-width:170px;white-space:normal}
.compare thead th .model{display:block;font-size:14px;color:var(--ink);margin-top:4px}
.compare thead th:first-child{min-width:0}
.crumbs{align-items:center}.crumbs a{padding:6px 0}
.ftr-col a{padding:3px 0}
.drawing-btn small{white-space:nowrap}

@media (max-width:980px){
  .menu-open{overflow:hidden}
  .main-nav{max-height:calc(100dvh - var(--hdr-h));overflow-y:auto;box-shadow:0 0 0 100vmax rgba(5,6,10,.45)}
  .main-nav>a{order:2}
  .main-nav>a[data-nav="#products"]{order:0}
  .menu-open .m-only{display:flex}
  .m-lines{order:1;flex-direction:column}
  .m-lines a{padding:11px 4px 11px 18px;font-size:15px;color:var(--ink-2);text-decoration:none;border-bottom:1px solid var(--line)}
  .m-tools{order:3;flex-wrap:wrap;align-items:center;gap:10px;padding-top:18px}
  .m-tools .btn b{min-width:20px;height:20px;display:inline-grid;place-items:center;background:rgba(255,255,255,.22);font-size:12px;padding:0 5px}
  .menu-btn span{transition:transform .2s}
  .menu-open .menu-btn span:first-child{transform:translateY(3.5px) rotate(45deg)}
  .menu-open .menu-btn span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .fam-hero-media{order:-1}
  .fam-hero{padding-block:20px 36px}
  .subnav .sub-q{margin-left:0}
}
@media (max-width:640px){
  .hdr-toggles .units{display:none}
  .wrap.wide{padding-inline:var(--gutter)}
  .fam-grid{grid-template-columns:1fr 1fr;gap:10px}
  .fam-meta{padding:12px 12px 14px;gap:6px}
  .fam-meta h3{font-size:15px;line-height:1.25}
  .fam-meta p{display:none}
  .fam-stats{gap:6px 14px;flex-wrap:wrap;padding-top:8px}
  .fam-stats dd{font-size:13px}
  .plate{--pp:10px}
  .photo-grid,.gallery{grid-template-columns:1fr 1fr;gap:8px}
  .g-item span{font-size:12px;padding:7px 9px}
  .items-grid,.func-grid{grid-template-columns:1fr 1fr;gap:14px}
  .item-card h3,.func h3{font-size:15px}
  .item-card p,.func p{font-size:13px}
  .spec th,.spec td{padding:8px 10px}
  table.spec{font-size:13px}
  .spec td.act,.spec thead th.act-h{position:static;box-shadow:none}
  .spec .badge{display:none}
  .spec-head{align-items:flex-start}
  .drawing-btn{width:100%}
  .compare th[scope=row]{min-width:108px;font-size:12px}
  .compare thead th{min-width:140px}
  .finder-tbl{max-height:none}
  /* finder + home tables become cards */
  table.cards-sm,.cards-sm tbody{display:block}
  .cards-sm thead{display:none}
  .cards-sm tr{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;padding:14px;border-bottom:1px solid var(--line)}
  .cards-sm tr:last-child{border-bottom:0}
  .cards-sm tr.pop{background:var(--pop);box-shadow:inset 3px 0 0 var(--pop-ink)}
  .cards-sm td{display:block;padding:0;border:0;white-space:normal;position:static!important;background:none!important;box-shadow:none!important;min-width:0}
  .cards-sm td::before{content:attr(data-label);display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:1px}
  .cards-sm td.first,.cards-sm td.act,.cards-sm td[data-label=""]{grid-column:1/-1}
  .cards-sm td.first::before,.cards-sm td[data-label=""]::before{display:none}
  .cards-sm td.first .model{font-size:16px;font-weight:500}
  .cards-sm td.first .badge{display:inline-block}
  .cards-sm td:nth-child(2){grid-column:1/-1}
  .cards-sm td.act{display:flex;align-items:center;justify-content:space-between;width:auto;text-align:left;padding-top:4px}
  .cards-sm .cmp span{display:inline;position:static;width:auto;height:auto;clip:auto;overflow:visible}
  .cards-sm .add{height:36px;padding:0 16px}
  .cards-sm td.empty{grid-column:1/-1;padding:24px 0!important}
  .cmp-bar{left:12px;right:12px;transform:none;max-width:none;justify-content:space-between;padding:8px 8px 8px 14px;gap:10px;font-size:13px}
  .cmp-bar #cmpTxt{overflow:hidden;text-overflow:ellipsis}
  .overlay.search-ov{padding:8px}
  .s-res{max-height:calc(100dvh - 90px)}
  .s-mod{grid-template-columns:minmax(0,1fr) auto;row-gap:0}
  .s-mod span:nth-child(2){grid-row:2;grid-column:1/-1;font-size:12px}
  .lb{padding:60px 0 16px}
  .lb figure{max-width:100%}
  .lb-scroll{max-height:76vh}
  .lb img{max-height:none;width:100%}
  .lb figcaption{padding-inline:16px;text-align:center}
  .lb-nav{top:auto;bottom:16px;transform:none;width:48px;height:48px;font-size:28px}
  .lb-prev{left:16px}.lb-next{right:16px}
  .q-item{gap:10px 12px;padding:12px}
  .q-item .plate{width:60px;height:48px}
  .q-txt{min-width:0;flex:1 1 calc(100% - 80px)}
  .q-done{padding:20px}
  .q-done .btn{width:100%}
  .calc-form label>span{min-height:0}
  .page{padding-top:32px}
  .sec-h-row{margin-bottom:20px}.sec-h-row .sec-h{margin-bottom:8px}
  .page-head{margin-bottom:28px}
  .pager a{font-size:16px}
}
@media (max-width:380px){
  .lang-btn{padding:0 8px}
  .hdr-tools{gap:5px}
}