/* =========================================================
   NEXVIEW DISPLAY — Design System
   Industrial display supplier / global B2B
   ========================================================= */

:root{
  /* core palette */
  --ink:#12303B;
  --ink-2:#173B48;
  --ink-3:#1F4756;
  --ink-4:#285464;
  --line-dark:rgba(255,255,255,.14);
  --line-dark-2:rgba(255,255,255,.26);

  --paper:#F1F4F4;
  --paper-2:#E6EBEB;
  --white:#FFFFFF;
  --line-light:rgba(18,38,47,.14);
  --line-light-2:rgba(18,38,47,.26);

  --text:#11242D;
  --muted:#54656F;
  --muted-dark:#A6B7C0;

  --accent:#E2570F;
  --accent-2:#F58238;
  --accent-dim:rgba(226,87,15,.12);
  --cyan:#2E8CA3;
  --steel:#2F5566;

  --radius:3px;
  --container:1240px;
  --gutter:clamp(18px,4vw,40px);

  --font-display:"Archivo","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
[id]{scroll-margin-top:104px}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-display);font-weight:600;letter-spacing:-.025em;line-height:1.06}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--accent);color:#12242D}

.container{width:min(var(--container),calc(100% - var(--gutter)*2));margin-inline:auto}
.container-wide{width:min(1440px,calc(100% - var(--gutter)*2));margin-inline:auto}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--accent);
}
.eyebrow::before{content:"";width:7px;height:7px;background:var(--accent);display:block}
.eyebrow.on-light{color:#C4490A}
.eyebrow.muted{color:var(--muted-dark)}
.eyebrow.muted::before{background:var(--muted-dark)}

.h1{font-size:clamp(2.55rem,5.3vw,4.6rem);letter-spacing:-.035em;line-height:1.01}
.h2{font-size:clamp(1.95rem,3.4vw,3.05rem);letter-spacing:-.032em;line-height:1.05}
.h3{font-size:clamp(1.3rem,1.8vw,1.6rem);line-height:1.15}
.lead{font-size:clamp(1rem,1.25vw,1.14rem);line-height:1.65;color:var(--muted-dark)}
.on-light .lead,.lead.on-light{color:var(--muted)}
.mono{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.sec-head{max-width:760px}
.sec-head .h2{margin-top:18px}
.sec-head p{margin-top:18px}

/* ---------- buttons ---------- */
.btn{
  --btn-bg:var(--accent);
  --btn-fg:#12242D;
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 24px;border:1px solid var(--btn-bg);background:var(--btn-bg);color:var(--btn-fg);
  font-family:var(--font-body);font-size:13.5px;font-weight:600;letter-spacing:.01em;
  border-radius:var(--radius);cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),background .2s,color .2s,border-color .2s,box-shadow .25s;
}
.btn svg{width:15px;height:15px;flex:none;transition:transform .3s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px -12px rgba(255,107,26,.65)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(0)}
.btn-ghost{--btn-bg:transparent;--btn-fg:#fff;border-color:var(--line-dark-2)}
.btn-ghost:hover{background:rgba(255,255,255,.06);box-shadow:none;border-color:rgba(255,255,255,.4)}
.btn-outline{--btn-bg:transparent;--btn-fg:var(--text);border-color:var(--line-light-2)}
.btn-outline:hover{background:var(--text);color:#fff;box-shadow:none}
.btn-sm{padding:11px 17px;font-size:12.5px}
.btn-block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  border-bottom:1px solid currentColor;padding-bottom:3px;transition:gap .25s var(--ease),color .2s;
}
.link-arrow:hover{gap:14px;color:var(--accent)}

/* ---------- top bar ---------- */
.topbar{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.07);color:#A7B2BC;font-size:12px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;gap:20px}
.topbar-left{display:flex;align-items:center;gap:18px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase}
.topbar-left span{display:inline-flex;align-items:center;gap:7px}
.dot{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(255,107,26,.18)}
.topbar-right{display:flex;align-items:center;gap:22px}
.topbar a{transition:color .2s}
.topbar a:hover{color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,16,.82);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s;
}
.site-header.is-scrolled{background:rgba(10,13,16,.96);box-shadow:0 12px 34px -22px #000}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:28px}

.brand{display:flex;align-items:center;gap:12px;color:#fff;flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:var(--font-display);font-size:17px;font-weight:700;letter-spacing:.16em}
.brand-sub{font-family:var(--font-mono);font-size:8.5px;letter-spacing:.26em;color:#7E8A96;margin-top:5px}

.nav{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{
  display:flex;align-items:center;gap:6px;padding:10px 14px;color:#C4CDD5;
  font-size:13.5px;font-weight:500;border-radius:2px;transition:color .2s,background .2s;
}
.nav-link:hover,.nav-item.active .nav-link{color:#fff;background:rgba(255,255,255,.06)}
.nav-link .chev{width:9px;height:9px;opacity:.55;transition:transform .25s}
.nav-item:hover .chev{transform:rotate(180deg)}

.dropdown{
  position:absolute;top:calc(100% + 12px);left:-16px;width:560px;padding:10px;
  background:var(--ink-2);border:1px solid var(--line-dark);border-radius:4px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.8);
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s,transform .22s var(--ease),visibility .22s;
}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:13px 14px;border-radius:2px;transition:background .2s}
.dropdown a:hover{background:rgba(255,255,255,.06)}
.dropdown .dd-title{display:block;color:#fff;font-size:13.5px;font-weight:600}
.dropdown .dd-desc{display:block;color:#7E8A96;font-size:11.5px;margin-top:3px;line-height:1.45}
.dropdown-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;margin-top:6px;padding:12px 14px;border-top:1px solid var(--line-dark);color:#8B98A4;font-size:11.5px}

.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.header-phone{display:flex;flex-direction:column;line-height:1.2;color:#fff;font-size:13px}
.header-phone small{font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;color:#7E8A96;text-transform:uppercase;margin-bottom:3px}
.rfq-pill{position:relative}
.rfq-count{
  position:absolute;top:-7px;right:-7px;min-width:19px;height:19px;padding:0 5px;
  background:var(--cyan);color:#04141A;border-radius:20px;font-size:10.5px;font-weight:700;
  display:none;align-items:center;justify-content:center;font-family:var(--font-mono)
}
.rfq-count.on{display:inline-flex}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:1.6px;background:#fff;margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 20%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;z-index:-1;width:820px;height:820px;right:-180px;top:-320px;
  background:radial-gradient(circle,rgba(255,107,26,.16),transparent 62%);filter:blur(10px);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center;padding:clamp(56px,7vw,96px) 0 clamp(48px,6vw,80px)}
.hero-copy .h1{margin:22px 0 0}
.hero-copy .h1 em{font-style:normal;color:var(--accent)}
.hero-lead{margin-top:24px;max-width:520px;color:#A9B4BE;font-size:clamp(15px,1.2vw,17px);line-height:1.68}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;padding-top:26px;border-top:1px solid var(--line-dark);color:#8B98A4;font-size:12px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta svg{width:14px;height:14px;color:var(--accent);flex:none}

.hero-visual{position:relative}
.hero-frame{position:relative;border:1px solid rgba(255,255,255,.14);border-radius:4px;padding:10px;background:rgba(255,255,255,.02)}
.hero-frame img{width:100%;aspect-ratio:1.44;object-fit:cover;border-radius:2px;filter:contrast(1.04)}
.hero-frame .corner{position:absolute;width:14px;height:14px;border:1px solid var(--accent);opacity:.85}
.corner.tl{top:-1px;left:-1px;border-right:0;border-bottom:0}
.corner.tr{top:-1px;right:-1px;border-left:0;border-bottom:0}
.corner.bl{bottom:-1px;left:-1px;border-right:0;border-top:0}
.corner.br{bottom:-1px;right:-1px;border-left:0;border-top:0}
.spec-chip{
  position:absolute;background:rgba(10,13,16,.92);border:1px solid rgba(255,255,255,.14);
  padding:12px 15px;border-radius:3px;backdrop-filter:blur(8px);box-shadow:0 18px 40px -22px #000;
}
.spec-chip .k{font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;color:#8B98A4;text-transform:uppercase}
.spec-chip .v{font-family:var(--font-display);font-size:15px;font-weight:600;margin-top:4px;color:#fff}
.spec-chip.a{right:-14px;top:38px}
.spec-chip.b{left:-22px;bottom:56px}
.spec-chip .bar{height:2px;background:rgba(255,255,255,.14);margin-top:9px;width:96px;position:relative;overflow:hidden}
.spec-chip .bar i{position:absolute;inset:0 32% 0 0;background:var(--accent)}

.hero-stats{border-top:1px solid var(--line-dark);background:rgba(255,255,255,.015)}
.hero-stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}
.stat{padding:26px 0 28px;position:relative}
.stat+.stat{padding-left:34px}
.stat+.stat::before{content:"";position:absolute;left:0;top:26px;bottom:28px;width:1px;background:var(--line-dark)}
.stat .num{font-family:var(--font-display);font-size:clamp(1.7rem,2.6vw,2.4rem);font-weight:600;letter-spacing:-.03em;color:#fff;line-height:1}
.stat .num span{color:var(--accent);font-size:.6em;margin-left:2px}
.stat .lbl{margin-top:9px;font-family:var(--font-mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:#7E8A96}

/* ---------- brand strip ---------- */
.brandstrip{background:var(--ink-2);border-top:1px solid var(--line-dark);padding:clamp(38px,4vw,54px) 0;color:#fff}
.brandstrip-head{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.brandstrip-head p{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:#7E8A96}
.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.brand-cell{background:var(--ink-2);padding:22px 20px;display:flex;flex-direction:column;gap:6px;transition:background .25s}
.brand-cell:hover{background:var(--ink-3)}
.brand-cell .wordmark{font-family:var(--font-display);font-size:clamp(15px,1.5vw,19px);font-weight:700;letter-spacing:.14em;color:#E7EBEE}
.brand-cell .tag{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.13em;color:#6F7C88;text-transform:uppercase}
.brand-cell .lines{display:flex;gap:4px;margin-top:12px}
.brand-cell .lines i{height:2px;flex:1;background:rgba(255,255,255,.12)}
.brand-cell:hover .lines i:nth-child(2){background:var(--accent)}

/* ---------- sections ---------- */
.section{padding:clamp(64px,7.5vw,110px) 0}
.section.dark{background:var(--ink);color:#fff}
.section.dark .lead{color:var(--muted-dark)}
.section.alt{background:var(--paper-2)}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:clamp(34px,4vw,54px);flex-wrap:wrap}

/* ---------- product line cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.cat-card{
  background:var(--white);padding:clamp(24px,2.4vw,32px);display:flex;flex-direction:column;
  min-height:280px;position:relative;transition:background .25s var(--ease);overflow:hidden;
}
.cat-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.cat-card:hover{background:#FBFBFC}
.cat-card:hover::after{transform:scaleX(1)}
.cat-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.cat-icon{width:38px;height:38px;color:var(--text);opacity:.9}
.cat-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:#9AA5AF}
.cat-card h3{margin-top:auto;font-size:1.22rem;letter-spacing:-.02em}
.cat-card p{margin-top:10px;color:var(--muted);font-size:13.5px;line-height:1.6}
.cat-specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border:1px solid var(--line-light);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:#4A555F;border-radius:2px;
}
.chip.on-dark{border-color:var(--line-dark);color:#9AA7B3}

/* ---------- feature table ---------- */
.table-wrap{border:1px solid var(--line-dark);border-radius:3px;overflow:hidden}
.spec-table{width:100%;border-collapse:collapse;font-size:13px}
.spec-table thead th{
  text-align:left;padding:13px 18px;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:#7E8A96;font-weight:500;background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line-dark);white-space:nowrap;
}
.spec-table tbody td{padding:17px 18px;border-bottom:1px solid rgba(255,255,255,.06);color:#C4CDD5;vertical-align:middle}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr{transition:background .2s;cursor:pointer}
.spec-table tbody tr:hover{background:rgba(255,255,255,.04)}
.spec-table .pn{font-family:var(--font-mono);font-size:12.5px;color:#fff;letter-spacing:.03em}
.spec-table .sz{font-family:var(--font-display);font-weight:600;color:#fff;font-size:14px}
.spec-table .nits{color:var(--accent);font-family:var(--font-mono);font-size:12px}
.spec-table .branddot{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:#9AA7B3}
.spec-table .branddot i{width:5px;height:5px;background:#5B6672;border-radius:50%}
.spec-table .row-cta{text-align:right;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}
.table-note{margin-top:14px;font-size:11.5px;color:#6F7C88}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px}
.media-tag{
  position:absolute;left:18px;bottom:18px;background:rgba(10,13,16,.9);color:#fff;
  padding:10px 14px;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  border-left:2px solid var(--accent);backdrop-filter:blur(6px);
}
.media-stat{
  position:absolute;right:-16px;top:24px;background:var(--accent);color:#140A03;padding:16px 18px;
  font-family:var(--font-display);font-weight:700;font-size:26px;line-height:1;box-shadow:0 20px 40px -20px rgba(0,0,0,.6);
}
.media-stat small{display:block;font-family:var(--font-mono);font-size:8.5px;font-weight:500;letter-spacing:.14em;margin-top:6px;text-transform:uppercase;opacity:.8}

.feature-list{margin-top:30px;display:grid;gap:2px}
.feature-item{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line-light)}
.feature-item:last-child{border-bottom:1px solid var(--line-light)}
.feature-item .fi-num{font-family:var(--font-mono);font-size:10.5px;color:#9AA5AF;letter-spacing:.1em;padding-top:4px}
.feature-item h4{font-size:15px;font-weight:600;letter-spacing:-.01em}
.feature-item p{margin-top:7px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- applications ---------- */
.app-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.app-tile{
  position:relative;border:1px solid var(--line-light);background:#fff;padding:24px 20px;min-height:196px;
  display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;transition:.3s var(--ease);
}
.app-tile:hover{border-color:var(--text);transform:translateY(-3px)}
.app-tile .ai{position:absolute;top:22px;left:20px;width:26px;height:26px;color:var(--text);opacity:.75}
.app-tile .an{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;color:#9AA5AF;position:absolute;top:24px;right:18px}
.app-tile h4{font-size:14.5px;font-weight:600;line-height:1.25}
.app-tile p{margin-top:8px;font-size:11.5px;color:var(--muted);line-height:1.5;min-height:34px}

.photo-duo{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;margin-top:14px}
.photo-tile{position:relative;overflow:hidden;border-radius:3px;background:var(--ink);min-height:400px}
.photo-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.photo-tile:hover img{transform:scale(1.03)}
.photo-tile .pt-body{
  position:absolute;inset:auto 0 0 0;padding:26px 24px;color:#fff;
  background:linear-gradient(to top,rgba(8,11,14,.92),rgba(8,11,14,.55) 45%,transparent);
}
.photo-tile h4{font-size:1.1rem}
.photo-tile p{margin-top:8px;font-size:12.5px;color:#B8C2CB;max-width:420px;line-height:1.55}
.photo-tile .pt-tag{position:absolute;top:18px;left:20px;background:rgba(10,13,16,.75);border:1px solid rgba(255,255,255,.18);padding:5px 10px;font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#fff;backdrop-filter:blur(4px)}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-dark);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.proc{background:var(--ink);padding:30px 22px 34px;position:relative;transition:background .3s}
.proc:hover{background:var(--ink-3)}
.proc .pn{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--accent)}
.proc h4{margin-top:34px;font-size:15px;font-weight:600;color:#fff}
.proc p{margin-top:8px;font-size:12.5px;color:#8B98A4;line-height:1.55}
.proc .pt{position:absolute;top:30px;right:22px;font-family:var(--font-mono);font-size:9px;color:#4E5A66;letter-spacing:.1em}

/* ---------- certs ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cert{border:1px solid var(--line-light);background:#fff;padding:22px;display:flex;gap:16px;align-items:flex-start}
.cert .ci{width:34px;height:34px;flex:none;color:var(--text);opacity:.85}
.cert h4{font-size:13.5px;font-weight:600}
.cert p{margin-top:5px;font-size:11.5px;color:var(--muted);line-height:1.5}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line-light)}
.faq-item{border-bottom:1px solid var(--line-light)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:none;border:0;padding:24px 0;text-align:left;cursor:pointer;font-size:15.5px;font-weight:600;
  font-family:var(--font-display);letter-spacing:-.01em;color:var(--text);
}
.faq-q:hover{color:#C4490A}
.faq-q .ico{width:20px;height:20px;flex:none;position:relative}
.faq-q .ico::before,.faq-q .ico::after{content:"";position:absolute;background:currentColor;transition:transform .3s var(--ease),opacity .3s}
.faq-q .ico::before{left:0;top:9px;width:20px;height:1.5px}
.faq-q .ico::after{left:9px;top:0;width:1.5px;height:20px}
.faq-item.open .faq-q .ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a-inner{padding:0 60px 26px 0;color:var(--muted);font-size:14px;line-height:1.7}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(ellipse 60% 120% at 85% 20%,rgba(255,107,26,.2),transparent 60%);
}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,5vw,80px);padding:clamp(56px,7vw,96px) 0;align-items:center}
.cta-inner .h2{margin-top:18px;max-width:520px}
.cta-inner p{margin-top:18px;color:#A9B4BE;max-width:460px;font-size:14.5px}
.quick-form{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);padding:clamp(22px,3vw,32px);border-radius:3px;backdrop-filter:blur(6px)}
.cta-inner .form-done{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);padding:clamp(24px,3.4vw,34px);border-radius:3px;margin:0;grid-column:2}
.cta-inner .form-done p{margin-top:10px;max-width:420px}
.quick-form h4{font-size:15px;color:#fff;margin-bottom:4px}
.quick-form .qf-sub{font-size:11.5px;color:#8B98A4;margin-bottom:20px}
.field{margin-bottom:12px}
.field label{display:block;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#8B98A4;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);color:#fff;
  padding:12px 13px;font-family:var(--font-body);font-size:13.5px;border-radius:2px;transition:border-color .2s,background .2s;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.08)}
.field input::placeholder,.field textarea::placeholder{color:#61707D}
.field select option{background:var(--ink-2);color:#fff}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-note{font-size:10.5px;color:#6F7C88;margin-top:12px;line-height:1.5}

/* ---------- footer ---------- */
.site-footer{background:#0E242D;color:#8B98A4;padding:clamp(52px,6vw,76px) 0 0;border-top:1px solid rgba(255,255,255,.07)}
.footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr 1.2fr;gap:36px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:13px;line-height:1.7;max-width:290px;color:#7E8A96}
.footer-social{display:flex;gap:8px;margin-top:22px}
.footer-social a{
  width:32px;height:32px;border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;
  border-radius:2px;transition:.2s;color:#9AA7B3
}
.footer-social a:hover{background:#fff;color:var(--text);border-color:#fff}
.footer-social svg{width:14px;height:14px}
.footer-col h5{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:500}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13px;color:#8B98A4;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:12.5px;line-height:1.5}
.footer-contact svg{width:14px;height:14px;flex:none;margin-top:3px;color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:11.5px;color:#61707D;
}
.footer-bottom .fb-links{display:flex;gap:22px}

/* permanent maker row at the top of every footer, all pages */
.footer-makers{
  display:flex;align-items:center;justify-content:space-between;gap:clamp(18px,2.4vw,34px);flex-wrap:wrap;
  padding:0 0 22px;margin-bottom:36px;border-bottom:1px solid rgba(255,255,255,.07)
}
.footer-makers .fm-label{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
  color:#5F6B77;white-space:nowrap
}
.footer-makers .fm-marks{display:flex;align-items:center;gap:clamp(20px,3vw,42px);flex-wrap:wrap}
.footer-makers img{
  height:16px;width:auto;max-width:104px;object-fit:contain;
  filter:brightness(0) invert(1);opacity:.48;transition:opacity .25s var(--ease)
}
.footer-makers img:hover{opacity:.85}
@media (max-width:640px){
  .footer-makers{gap:10px;align-items:flex-start}
  .footer-makers .fm-label{width:100%}
  .footer-makers .fm-marks{width:100%;gap:14px 22px;justify-content:flex-start}
  .footer-makers img{height:13px;max-width:76px}
}

/* ---------- page hero ---------- */
.page-hero{background:var(--ink);color:#fff;padding:clamp(48px,6vw,84px) 0 clamp(40px,5vw,64px);position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:72px 72px;mask-image:radial-gradient(ellipse 80% 90% at 20% 0%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 90% at 20% 0%,#000,transparent 75%);
}
.page-hero .inner{position:relative;display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:end}
.page-hero .h1{font-size:clamp(2.2rem,4vw,3.5rem);margin-top:20px}
.page-hero p{margin-top:18px;color:#A9B4BE;max-width:580px;font-size:15px}
.page-hero .hero-side{border-left:1px solid var(--line-dark);padding-left:28px;display:grid;gap:16px}
.page-hero .hs-item .k{font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;color:#6F7C88;text-transform:uppercase}
.page-hero .hs-item .v{font-size:13.5px;color:#DCE3E8;margin-top:4px}
.crumbs{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:#6F7C88;text-transform:uppercase;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}

/* ---------- catalog ---------- */
.catalog-bar{
  background:#fff;border-bottom:1px solid var(--line-light);position:sticky;top:72px;z-index:60;
  box-shadow:0 10px 30px -26px rgba(0,0,0,.4);
}
.filter-row{display:flex;align-items:center;gap:10px;padding:14px 0;flex-wrap:wrap}
.filter-row + .filter-row{border-top:1px solid var(--line-light)}
.f-label{font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:#9AA5AF;width:64px;flex:none}
.f-chip{
  padding:7px 12px;border:1px solid var(--line-light);background:#fff;border-radius:2px;
  font-size:12px;color:#4A555F;cursor:pointer;transition:.18s;white-space:nowrap;
}
.f-chip:hover{border-color:var(--line-light-2);color:var(--text)}
.f-chip.on{background:var(--text);border-color:var(--text);color:#fff}
.f-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;border:1px solid var(--line-light);
  padding:0 12px;border-radius:2px;background:#fff;min-width:230px;
}
.f-search svg{width:14px;height:14px;color:#9AA5AF;flex:none}
.f-search input{border:0;outline:0;padding:9px 0;font-size:12.5px;width:100%;font-family:var(--font-body);background:none}
.catalog-meta{display:flex;align-items:center;justify-content:space-between;padding:22px 0 18px;gap:20px;flex-wrap:wrap}
.catalog-meta .count{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.catalog-meta .count b{color:var(--text)}

.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-bottom:40px}
.prod-card{background:#fff;padding:22px;display:flex;flex-direction:column;cursor:pointer;position:relative;transition:background .25s}
.prod-card:hover{background:#FAFAFB}
.prod-card:hover .pc-screen{box-shadow:inset 0 0 0 1px rgba(255,107,26,.4)}
.pc-visual{
  aspect-ratio:1/1;display:grid;place-items:center;background:
    radial-gradient(ellipse at 50% 40%,#F7F8F9,#EDEFF1 70%);
  margin:-22px -22px 18px;padding:26px;position:relative;overflow:hidden;
}
.pc-visual::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(10,13,16,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(10,13,16,.045) 1px,transparent 1px);
  background-size:24px 24px;
}
.pc-screen{
  position:relative;width:82%;aspect-ratio:var(--ar,1.6);background:linear-gradient(145deg,#141A20,#0A0E12 65%);
  border:var(--bezel,7px) solid #222A31;border-radius:2px;box-shadow:0 16px 30px -18px rgba(0,0,0,.6),inset 0 0 0 1px rgba(255,255,255,.06);
  transition:box-shadow .25s;overflow:hidden;
}
.pc-screen.portrait{width:auto;height:66%}
.dv-visual .pc-screen{width:70%}
.dv-visual .pc-screen.portrait{width:auto;height:270px}
.pc-screen::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 30% 25%,rgba(63,211,234,.16),transparent 55%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px),
    linear-gradient(120deg,rgba(255,255,255,.07),transparent 45%);
}
.pc-screen::after{
  content:"";position:absolute;left:12%;right:12%;top:50%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,211,234,.55),transparent);
  box-shadow:0 0 12px rgba(63,211,234,.6);
}
.pc-badge{
  position:absolute;top:12px;left:12px;background:#fff;border:1px solid var(--line-light);
  padding:4px 8px;font-family:var(--font-mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:#4A555F;
  z-index:2;
}
.pc-badge.hot{background:var(--accent);border-color:var(--accent);color:#150A02;font-weight:600}
.pc-brand{
  position:absolute;bottom:12px;right:12px;font-family:var(--font-mono);font-size:8.5px;
  letter-spacing:.14em;color:#7C8894;text-transform:uppercase;z-index:2;
}
.pc-cat{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#9AA5AF}
.pc-pn{font-family:var(--font-mono);font-size:12px;color:var(--text);margin-top:6px;letter-spacing:.02em}
.pc-title{font-family:var(--font-display);font-size:15px;font-weight:600;margin-top:8px;letter-spacing:-.01em;line-height:1.25}
.pc-specs{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:12px;font-size:11.5px;color:var(--muted);font-family:var(--font-mono)}
.pc-specs span{display:inline-flex;align-items:center;gap:5px}
.pc-specs b{font-weight:500;color:var(--text)}
.pc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:16px}
.pc-nits{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.02em}
.pc-nits small{font-family:var(--font-mono);font-size:9px;font-weight:400;color:#9AA5AF;margin-left:3px;letter-spacing:.1em}
.pc-open{width:28px;height:28px;border:1px solid var(--line-light);display:grid;place-items:center;border-radius:2px;transition:.2s;color:var(--text)}
.prod-card:hover .pc-open{background:var(--text);color:#fff;border-color:var(--text)}
.pc-open svg{width:12px;height:12px}

.empty-state{grid-column:1/-1;background:#fff;padding:70px 20px;text-align:center;color:var(--muted)}
.empty-state h4{font-size:16px;color:var(--text);margin-bottom:8px}
.empty-state p{font-size:13px}

/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(6,9,11,.6);backdrop-filter:blur(3px);z-index:120;
  opacity:0;visibility:hidden;transition:.3s;
}
.drawer-backdrop.on{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(560px,100%);background:#fff;z-index:130;
  transform:translateX(102%);transition:transform .42s var(--ease);overflow-y:auto;box-shadow:-30px 0 80px -40px rgba(0,0,0,.5);
}
.drawer.on{transform:translateX(0)}
.drawer-head{padding:26px 30px;border-bottom:1px solid var(--line-light);display:flex;justify-content:space-between;gap:20px;align-items:flex-start;position:sticky;top:0;background:#fff;z-index:2}
.drawer-close{width:32px;height:32px;border:1px solid var(--line-light);background:#fff;display:grid;place-items:center;cursor:pointer;border-radius:2px;flex:none}
.drawer-close:hover{background:var(--text);color:#fff}
.drawer-close svg{width:13px;height:13px}
.drawer-body{padding:26px 30px 34px}
.dv-visual{background:radial-gradient(ellipse at 50% 40%,#F7F8F9,#E9ECEE 75%);padding:30px;display:grid;place-items:center;margin-bottom:26px;border:1px solid var(--line-light)}
.dv-visual .pc-screen{width:78%}
.drawer h3{font-size:1.4rem;letter-spacing:-.02em}
.dv-sub{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.1em;margin-top:8px;text-transform:uppercase}
.dv-key{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin:22px 0}
.dv-key div{background:#fff;padding:12px 14px}
.dv-key .k{font-family:var(--font-mono);font-size:8.5px;letter-spacing:.14em;color:#9AA5AF;text-transform:uppercase}
.dv-key .v{font-size:13.5px;font-weight:600;margin-top:4px}
.dv-table{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:6px}
.dv-table td{padding:10px 0;border-bottom:1px solid var(--line-light);vertical-align:top}
.dv-table td:first-child{color:var(--muted);width:42%;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase}
.dv-table td:last-child{color:var(--text);font-weight:500}
.dv-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}
.dv-note{font-size:10.5px;color:#8B98A4;margin-top:14px;line-height:1.5}

/* toast */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:200;
  background:var(--text);color:#fff;padding:13px 20px;border-radius:3px;font-size:13px;
  opacity:0;visibility:hidden;transition:.3s var(--ease);display:flex;align-items:center;gap:10px;
  box-shadow:0 20px 40px -20px rgba(0,0,0,.6);
}
.toast.on{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast svg{width:15px;height:15px;color:var(--accent)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- brands page ---------- */
.fab-list{border-top:1px solid var(--line-light)}
.fab{display:grid;grid-template-columns:120px 1.1fr 1fr 200px;gap:clamp(20px,3vw,44px);padding:38px 0;border-bottom:1px solid var(--line-light);align-items:start}
.fab .tags-wrap{align-self:center}
.fab .fm{font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:.1em}
.fab .fm small{display:block;font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;color:#9AA5AF;margin-top:8px;font-weight:400}
.fab h4{font-size:14px;margin-bottom:10px}
.fab p{font-size:12.5px;color:var(--muted);line-height:1.62}
.fab .tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.xref{background:var(--ink);color:#fff;border-radius:3px;padding:clamp(26px,3.4vw,42px)}
.xref-form{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.xref-form input{
  flex:1;min-width:220px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:#fff;padding:13px 15px;border-radius:2px;font-family:var(--font-mono);font-size:13px;outline:none;
}
.xref-form input:focus{border-color:var(--accent)}
.xref-result{margin-top:18px;font-size:13px;color:#A9B4BE;min-height:24px}
.xref-result b{color:var(--accent);font-family:var(--font-mono)}

/* ---------- solutions ---------- */
.sol-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,64px);padding:clamp(34px,4vw,54px) 0;border-top:1px solid var(--line-light);align-items:start}
.sol-block:last-child{border-bottom:1px solid var(--line-light)}
.sol-num{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--accent);margin-bottom:14px}
.sol-block h3{font-size:clamp(1.4rem,2vw,1.85rem)}
.sol-block .sol-desc{margin-top:14px;color:var(--muted);font-size:14px;line-height:1.7}
.sol-right{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.sol-cell{background:#fff;padding:18px 20px}
.sol-cell .k{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#9AA5AF}
.sol-cell .v{font-size:13px;margin-top:6px;color:var(--text);line-height:1.5}
.sol-picks{grid-column:1/-1;background:#fff;padding:16px 20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sol-picks .k{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#9AA5AF;margin-right:6px}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.num-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light);margin-top:36px}
.num-cell{background:#fff;padding:22px}
.num-cell .n{font-family:var(--font-display);font-size:clamp(1.6rem,2.4vw,2.1rem);font-weight:600;letter-spacing:-.03em}
.num-cell .n span{color:var(--accent);font-size:.6em}
.num-cell .l{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#9AA5AF;margin-top:7px}
.timeline{border-top:1px solid var(--line-light)}
.tl-item{display:grid;grid-template-columns:110px 1fr;gap:28px;padding:22px 0;border-bottom:1px solid var(--line-light)}
.tl-item .yr{font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.08em}
.tl-item h4{font-size:14.5px}
.tl-item p{font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.6}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(28px,4vw,56px);align-items:start}
.rfq-card{background:#fff;border:1px solid var(--line-light);padding:clamp(24px,3.4vw,38px)}
.rfq-card h3{font-size:1.35rem}
.rfq-card .sub{font-size:13px;color:var(--muted);margin-top:8px}
.rfq-card .field{margin-top:16px}
.rfq-card .field label{color:#7C8894}
.rfq-card .field input,.rfq-card .field select,.rfq-card .field textarea{
  background:#fff;border:1px solid var(--line-light);color:var(--text);font-size:13.5px;padding:12px 13px;
}
.rfq-card .field input:focus,.rfq-card .field textarea:focus,.rfq-card .field select:focus{border-color:var(--text)}
.rfq-card .field textarea{min-height:110px}
.contact-side{display:grid;gap:14px}
.contact-box{border:1px solid var(--line-light);background:#fff;padding:24px}
.contact-box h4{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:#9AA5AF;font-weight:500;margin-bottom:14px}
.contact-line{display:flex;gap:12px;padding:11px 0;border-top:1px solid var(--line-light);font-size:13px}
.contact-line:first-of-type{border-top:0}
.contact-line svg{width:15px;height:15px;color:var(--accent);flex:none;margin-top:3px}
.contact-line .k{font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#9AA5AF;display:block;margin-bottom:2px}
.rfq-list{display:grid;gap:8px;margin-top:4px}
.rfq-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;background:var(--paper);border:1px solid var(--line-light);font-size:12px}
.rfq-item .pn{font-family:var(--font-mono);font-size:11px}
.rfq-item button{border:0;background:none;color:#9AA5AF;cursor:pointer;font-size:16px;line-height:1}
.rfq-item button:hover{color:#C4490A}
.rfq-empty{font-size:12px;color:#9AA5AF;padding:10px 0}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .app-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .fab{grid-template-columns:110px 1fr 1fr}
  .fab .tags-wrap{grid-column:2/-1}
}
@media (max-width:980px){
  .nav,.header-phone{display:none}
  .nav-toggle{display:block}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:560px}
  .spec-chip.a{right:0}
  .spec-chip.b{left:0}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .cta-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;row-gap:40px}
  .page-hero .inner{grid-template-columns:1fr}
  .page-hero .hero-side{border-left:0;border-top:1px solid var(--line-dark);padding-left:0;padding-top:22px;grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .num-grid{grid-template-columns:repeat(3,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .sol-block{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav,.header-phone{display:none}
  .nav-toggle{display:block}
  .topbar-left span:nth-child(2){display:none}
  .hero-stats .container{grid-template-columns:repeat(2,1fr)}
  .stat+.stat{padding-left:0}
  .stat+.stat::before{display:none}
  .stat{padding:20px 0;border-bottom:1px solid var(--line-dark)}
  .brand-grid{grid-template-columns:repeat(2,1fr)}
  .brand-cell:last-child{grid-column:1/-1}
  .photo-duo{grid-template-columns:1fr}
  .photo-tile{min-height:300px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .fab{grid-template-columns:1fr;gap:16px}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .catalog-bar{position:static}
}
@media (max-width:600px){
  body{font-size:15px}
  .topbar{display:none}
  .header-inner{height:64px}
  .brand-name{font-size:15px}
  .prod-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr 1fr}
  .cert-grid{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .num-grid{grid-template-columns:1fr 1fr}
  .field-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .drawer-head,.drawer-body{padding-left:20px;padding-right:20px}
  .dv-actions{grid-template-columns:1fr}
  .f-label{width:100%}
  .f-search{margin-left:0;width:100%}
  .tl-item{grid-template-columns:80px 1fr;gap:16px}
  .page-hero .hero-side{grid-template-columns:1fr}
}

/* mobile nav */
.mobile-nav{
  position:fixed;inset:72px 0 0 0;background:var(--ink);z-index:79;padding:24px var(--gutter);
  transform:translateY(-8px);opacity:0;visibility:hidden;transition:.28s var(--ease);overflow-y:auto;
}
.mobile-nav.on{opacity:1;visibility:visible;transform:none}
.mobile-nav a{display:block;color:#DCE3E8;font-family:var(--font-display);font-size:19px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-nav .m-cta{margin-top:26px}
.mobile-nav .m-label{font-family:var(--font-mono);font-size:9px;letter-spacing:.18em;color:#6F7C88;text-transform:uppercase;margin-top:26px}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- model detail ---------- */
.mp-wrap{padding:clamp(40px,5vw,74px) 0 clamp(64px,7vw,100px)}
.mp-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:clamp(30px,4vw,64px);align-items:start}
.mp-block+.mp-block{margin-top:clamp(32px,3.6vw,50px)}
.mp-block>h2{font-size:clamp(1.1rem,1.4vw,1.3rem);letter-spacing:-.02em;display:flex;align-items:center;gap:11px;margin-bottom:16px}
.mp-block>h2::before{content:"";width:14px;height:2px;background:var(--accent);flex:none}
.mp-body p{font-size:14.5px;line-height:1.82;color:#39434D}
.mp-body p+p{margin-top:15px}
.mp-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:clamp(30px,3.4vw,44px)}
.gallery-1{grid-template-columns:minmax(0,340px)}
.gallery-2{grid-template-columns:repeat(2,minmax(0,1fr));max-width:560px}
.gallery img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff;border:1px solid var(--line-light);padding:10px}
.mp-aside{position:sticky;top:96px;display:grid;gap:14px}
.qc{background:var(--ink);color:#fff;padding:26px 24px;border-radius:var(--radius)}
.qc .mono{color:#7E8A96}
.qc-pn{font-family:var(--font-display);font-size:1.3rem;font-weight:600;letter-spacing:-.02em;margin-top:9px}
.qc ul{margin-top:20px;display:grid;gap:9px;font-size:12.5px;color:#9AA7B3;line-height:1.5}
.qc ul li{display:flex;gap:9px}
.qc ul li::before{content:"—";color:var(--accent);flex:none}
.qc .btn{margin-top:20px}
.qc .btn+.btn{margin-top:9px}
.mp-facts{border:1px solid var(--line-light);background:#fff;padding:20px 22px}
.mp-facts dl{display:grid;gap:12px;margin:14px 0 0}
.mp-facts dt{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.15em;text-transform:uppercase;color:#8B98A4}
.mp-facts dd{margin:3px 0 0;font-size:13.5px;color:var(--text)}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.related a{background:#fff;padding:15px 17px;display:block;transition:background .2s}
.related a:hover{background:var(--paper-2)}
.related .rpn,.related .rmeta{display:block}
.related .rpn{font-family:var(--font-mono);font-size:12px;letter-spacing:.02em}
.related .rmeta{font-size:11.5px;color:var(--muted);margin-top:3px}
@media (max-width:980px){
  .mp-grid{grid-template-columns:1fr}
  .mp-aside{position:static}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:560px){
  .related{grid-template-columns:1fr}
}

.mp-note{
  display:flex;gap:16px;align-items:flex-start;border:1px dashed var(--line-light-2);
  background:rgba(255,255,255,.5);padding:18px 20px;margin-bottom:clamp(26px,3vw,36px);
}
.mp-note .mono{color:#8B98A4;flex:none;padding-top:2px}
.mp-note p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}

/* ---------- compact catalogue filter bar ---------- */
.catalog-bar .container{position:relative}
.filter-bar{display:flex;align-items:center;gap:10px;padding:9px 0;flex-wrap:wrap}

.f-toggle{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  padding:7px 13px 7px 11px;border:1px solid var(--line-light-2);background:#fff;border-radius:2px;
  cursor:pointer;font-family:var(--font-body);font-size:12px;color:var(--text);transition:.18s;
}
.f-toggle:hover{background:#F6F7F8}
.f-toggle svg{width:14px;height:14px;color:#6B7783;transition:.18s}
.f-toggle[aria-expanded="true"]{background:var(--text);border-color:var(--text);color:#fff}
.f-toggle[aria-expanded="true"] svg{color:#fff}
.f-badge{
  font-family:var(--font-mono);font-size:9.5px;line-height:1;padding:3px 5px;border-radius:2px;
  background:var(--accent);color:#fff;font-weight:500;
}

.f-active{display:flex;align-items:center;gap:6px;flex:1;min-width:0;flex-wrap:wrap}
.a-chip{
  display:inline-flex;align-items:center;gap:7px;border:0;cursor:pointer;
  font-size:11px;padding:4px 7px 4px 9px;background:#F1F3F5;color:#3D4852;border-radius:2px;
  font-family:var(--font-body);transition:.16s;
}
.a-chip .close{opacity:.4;font-size:13px;line-height:1;transition:.16s}
.a-chip:hover{background:#E6EAED}
.a-chip:hover .close{opacity:1;color:var(--accent)}

.f-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;border:1px solid var(--line-light);
  padding:0 11px;border-radius:2px;background:#fff;flex:0 0 240px;
}
.f-search:focus-within{border-color:#B9C2C9}

.f-reset{
  flex:none;font-family:var(--font-body);font-size:11.5px;padding:7px 12px;cursor:pointer;
  border:1px dashed var(--line-light-2);background:none;color:#6B7783;border-radius:2px;transition:.18s;
}
.f-reset:hover{color:var(--text);border-color:#9AA5AF}
.f-reset[hidden]{display:none}

.filter-panel{
  max-height:0;overflow:hidden;opacity:0;visibility:hidden;
  transition:max-height .34s cubic-bezier(.4,0,.2,1),opacity .2s,visibility .34s;
}
.filter-panel.open{max-height:520px;opacity:1;visibility:visible;overflow-y:auto}
.filter-panel .filter-row{padding:8px 0;gap:8px}
.filter-panel .filter-row:first-child{border-top:1px solid var(--line-light)}
.filter-panel .f-chip{padding:5px 11px;font-size:11.5px}
.filter-panel .f-label{width:74px;font-size:8.5px;letter-spacing:.12em}

@media(max-width:820px){
  .f-search{flex:1 1 150px;order:3}
  .f-active{order:4;flex:1 1 130px;margin-top:2px}
  .f-reset{order:5}
  .filter-panel.open{max-height:70vh}
}

/* =========================================================
   MAKER MARKS
   Brand marks come from each manufacturer's own brand assets and are
   shown as white silhouettes so six different colour systems sit together.
   ========================================================= */
.brand .brand-mark-ys{width:34px;height:28px;object-fit:contain;object-position:left center}

/* homepage panel-source cells: the wordmark slot now carries the real mark */
.brand-cell .wordmark{display:flex;align-items:center;height:22px}
.brand-cell .wordmark img{height:20px;width:auto;max-width:100%;filter:brightness(0) invert(1);opacity:.85;transition:opacity .25s var(--ease)}
.brand-cell:hover .wordmark img{opacity:1}

/* full-width maker strip on the panel-sources page */
.maker-strip{border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);background:var(--ink-2);padding:clamp(34px,4vw,48px) 0}
.maker-strip .ms-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.maker-strip .ms-head p{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:#7E8A96}
.maker-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.maker-cell{background:var(--ink-2);height:86px;display:flex;align-items:center;justify-content:center;padding:0 14px;transition:background .25s}
.maker-cell:hover{background:var(--ink-3)}
.maker-cell img{max-height:26px;max-width:100%;width:auto;filter:brightness(0) invert(1);opacity:.55;transition:opacity .25s var(--ease),transform .25s var(--ease)}
.maker-cell:hover img{opacity:.95;transform:translateY(-1px)}
.ms-note{margin-top:16px;font-size:11px;line-height:1.65;color:#6F7C88;max-width:80ch}
.ms-note a{color:#9AA7B3;text-decoration:underline;text-underline-offset:2px}

/* YS lockup on the company page */
.ys-lockup{display:block;height:clamp(30px,4vw,40px);width:auto;margin-bottom:20px}

@media (max-width:900px){
  .maker-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:560px){
  .maker-grid{grid-template-columns:repeat(2,1fr)}
  .maker-cell{height:74px}
  .maker-cell img{max-height:22px}
}

/* =========================================================
   INDUSTRIAL PALETTE v2
   The near-black scheme read as too heavy. This pass keeps a
   deep petrol-steel for the few anchor bands (top bar, quote
   card, CTA, footer) and moves every large surface to cool
   light steel, so the pages read like engineering documents
   rather than night-mode posters. Accent stays safety orange.
   ========================================================= */

/* ---------- masthead: light ---------- */
.site-header{
  background:rgba(241,244,244,.88);
  border-bottom:1px solid rgba(18,38,47,.10);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.site-header.is-scrolled{background:rgba(241,244,244,.97);box-shadow:0 10px 30px -24px rgba(18,38,47,.5)}
.brand,.header-phone{color:var(--text)}
.brand-sub,.header-phone small{color:#68797F}
.nav-link{color:#40545F}
.nav-link:hover,.nav-item.active .nav-link{color:var(--text);background:rgba(18,38,47,.055)}
.nav-toggle span{background:var(--text)}
.dropdown{background:#fff;border:1px solid rgba(18,38,47,.12);box-shadow:0 26px 54px -30px rgba(18,38,47,.55)}
.dropdown .dd-title{color:var(--text)}
.dropdown .dd-desc{color:#5E7079}
.dropdown a:hover{background:rgba(18,38,47,.045)}
.dropdown-foot{color:#5E7079;border-top:1px solid rgba(18,38,47,.10)}
.topbar{background:#12303B;border-bottom:1px solid rgba(255,255,255,.10);color:#A9BAC3}

/* ---------- hero: light steel ---------- */
.hero{background:var(--paper);color:var(--text)}
.hero::before{
  background-image:
    linear-gradient(rgba(18,38,47,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(18,38,47,.055) 1px,transparent 1px);
}
.hero::after{background:radial-gradient(circle,rgba(226,87,15,.10),transparent 62%)}
.hero-lead{color:var(--muted)}
.hero-meta{color:#5A6C76;border-top:1px solid rgba(18,38,47,.13)}
.hero-frame{
  background:#0E242D;border:1px solid rgba(18,38,47,.22);padding:12px;
  box-shadow:0 34px 60px -40px rgba(18,38,47,.55)
}
.hero-frame img{border-radius:1px}
/* scoped: an unconditional rule here would out-rank the ≤1024px stacking
   breakpoint further up the sheet and squeeze the hero on phones */
@media (min-width:1025px){.hero-grid{grid-template-columns:1.12fr .88fr}}
.hero .btn-ghost,.page-hero .btn-ghost{--btn-fg:var(--text);border-color:rgba(18,38,47,.26)}
.hero .btn-ghost:hover,.page-hero .btn-ghost:hover{background:rgba(18,38,47,.05);border-color:rgba(18,38,47,.48)}
.hero-stats{background:#E7ECEC;border-top:1px solid rgba(18,38,47,.10)}
.stat+.stat::before{background:rgba(18,38,47,.12)}
.stat .num{color:var(--text)}
.stat .lbl{color:#63747D}

/* ---------- maker strip on the homepage: light ---------- */
.brandstrip{background:#E7ECEC;color:var(--text);border-top:1px solid rgba(18,38,47,.10)}
.brandstrip-head p{color:#63747D}
.brand-grid{background:rgba(18,38,47,.12);border:1px solid rgba(18,38,47,.12)}
.brand-cell{background:#EFF3F3}
.brand-cell:hover{background:#F8FAFA}
.brand-cell .wordmark{color:#26383F}
.brand-cell .wordmark img{filter:brightness(0);opacity:.62}
.brand-cell .tag{color:#6A7B84}
.brand-cell .lines i{background:rgba(18,38,47,.14)}

/* ---------- dark section becomes a light steel panel ---------- */
.section.dark{
  background:#E9EEEE;color:var(--text);
  border-top:1px solid rgba(18,38,47,.10);border-bottom:1px solid rgba(18,38,47,.10);
}
.section.dark .lead{color:var(--muted)}
.chip.on-dark{border-color:rgba(18,38,47,.18);color:#41535C}
.table-wrap{border-color:rgba(18,38,47,.13)}
.spec-table thead th{
  color:#5C6E77;background:rgba(18,38,47,.035);border-bottom:1px solid rgba(18,38,47,.13);
}
.spec-table tbody td{color:#33454F;border-bottom:1px solid rgba(18,38,47,.085)}
.spec-table tbody tr:hover{background:rgba(18,38,47,.04)}
.spec-table .pn,.spec-table .sz{color:var(--text)}
.spec-table .branddot{color:#5C6E77}
.spec-table .branddot i{background:#8B9BA3}
.table-note{color:#69797F}

/* ---------- page hero: light steel ---------- */
.page-hero{background:#E7ECEC;color:var(--text)}
.page-hero::before{
  background-image:
    linear-gradient(rgba(18,38,47,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(18,38,47,.05) 1px,transparent 1px);
}
.page-hero p{color:var(--muted)}
.page-hero .hero-side{border-left:1px solid rgba(18,38,47,.14)}
.page-hero .hs-item .k{color:#63747D}
.page-hero .hs-item .v{color:#22343D}
.crumbs{color:#63747D}
.crumbs a:hover{color:var(--text)}

/* ---------- buttons ---------- */
.btn{--btn-fg:#12242D}
.btn:hover{box-shadow:0 12px 26px -14px rgba(226,87,15,.6)}
.btn-outline:hover{background:var(--ink);color:#fff}

/* ---------- quote card + mobile menu keep the petrol anchor ---------- */
.qc{background:var(--ink)}
.mobile-nav{background:#12303B}

/* ---------- footer: petrol, one notch deeper than the CTA ---------- */
.site-footer{background:#0E242D;border-top:1px solid rgba(255,255,255,.10)}

/* ghost buttons sitting on the petrol quote card keep light type */
.qc .btn-ghost{--btn-fg:#fff;border-color:rgba(255,255,255,.30)}
.qc .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost,.brandstrip .btn-ghost{--btn-fg:#fff}
.page-hero .hero-side{border-left-color:rgba(18,38,47,.16)}

/* the footer keeps light type on petrol */
.site-footer .brand{color:#fff}
.site-footer .brand-sub{color:#8FA3AE}

/* =========================================================
   CHINESE EDITION (/zh/) — shared bits
   ========================================================= */
/* CJK type needs looser tracking than the Latin display face */
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3,
html[lang="zh-CN"] h4,html[lang="zh-CN"] .h1,html[lang="zh-CN"] .h2{letter-spacing:0}
html[lang="zh-CN"] .h1,html[lang="zh-CN"] .h2{line-height:1.18}
html[lang="zh-CN"] .brand-sub{letter-spacing:.18em}
html[lang="zh-CN"] .hero-copy .h1{max-width:14em}

/* EN / 中文 switch in the masthead */
.lang-switch{display:flex;align-items:center;border:1px solid rgba(18,38,47,.18);border-radius:2px;overflow:hidden}
.lang-switch a{
  padding:6px 9px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;
  color:#4A5C66;transition:background .2s,color .2s;line-height:1
}
.lang-switch a:hover{background:rgba(18,38,47,.06);color:var(--text)}
.lang-switch a.on{background:var(--ink);color:#fff}
.mobile-nav .lang-switch{display:none}

/* numbered workflow list */
.flow-steps{display:grid;gap:14px}
.flow-steps b{display:block;font-size:14px;letter-spacing:0}
.flow-steps p{margin-top:5px;font-size:13.5px;line-height:1.65;color:var(--muted)}
.flow-steps > div{padding-left:16px;border-left:2px solid var(--accent)}

/* application cells */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.app-cell{background:#fff;padding:24px 22px}
.app-cell b{font-size:15px}
.app-cell p{margin-top:8px;font-size:13px;line-height:1.6;color:var(--muted)}
@media (max-width:900px){
  .app-grid{grid-template-columns:1fr 1fr}
  .lang-switch{display:none}
}
@media (max-width:560px){.app-grid{grid-template-columns:1fr}}

/* ---------- /zh/ catalogue controls ---------- */
.zh-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.zh-filters select,.zh-filters input{
  appearance:none;-webkit-appearance:none;background:#fff;border:1px solid var(--line-light);
  color:var(--text);font-family:var(--font-body);font-size:13px;padding:10px 14px;border-radius:2px;
  min-width:150px;transition:border-color .2s
}
.zh-filters input{flex:1 1 220px;min-width:180px}
.zh-filters select:focus,.zh-filters input:focus{outline:none;border-color:var(--accent)}
.zh-count{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#6B7B84;margin-bottom:16px}
.zh-count b{color:var(--text)}
.zh-empty{border:1px solid var(--line-light);background:#fff;padding:44px 24px;text-align:center}
.zh-empty h4{font-size:16px}
.zh-empty p{margin-top:8px;font-size:13px;color:var(--muted)}
.prod-card .pc-visual img{width:100%;height:100%;object-fit:contain;background:#fff}
.zh-done{border:1px solid var(--line-light);background:#fff;padding:28px 26px}
.zh-done b{font-size:15px;display:block;color:var(--text)}
.zh-done p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--muted)}
.zh-done a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.brand-inline{height:22px;display:flex;align-items:center}
.brand-inline img{height:22px;width:auto;max-width:120px;filter:brightness(0);opacity:.7}
.zh-sub{font-size:12.5px;color:#6B7B84!important;margin-top:4px!important}
.zh-key{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)!important;margin-top:8px!important}