@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/BarlowCondensed-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/BarlowCondensed-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/SourceSans3-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/SourceSans3-600.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-500.woff2') format('woff2');
}
/* ============================================================
   ZHONGYUAN STEEL — v3 design system · "MILL PLATE / GRADED"
   Warm paper · press black · charcoal plate bands with grain
   · ONE ochre-amber signal (#e8930c) used sparingly
   · unified photo grade on every photograph
   Display: Barlow Condensed caps · Data: IBM Plex Mono
   ============================================================ */

:root{
  color-scheme:only light;
  --paper:#f2f1ee;
  --surface:#f9f8f6;
  --paper-2:#e9e7e1;
  --ink:#1d1f21;
  --ink-2:#5a5e63;
  --plate:#23262a;
  --plate-deep:#191b1d;
  --plate-grad:linear-gradient(180deg,#26282c,#1e2023);
  --line:#d9d5cd;
  --line-strong:#1d1f21;
  --line-dark:rgba(255,255,255,.09);
  --amber:#e8930c;
  --amber-deep:#c67c08;
  --on-plate:#f4f2ee;
  --on-plate-muted:#a2a8ae;
  --on-plate-warm:#d5d0c7;
  --ok:#2e6b45;
  --disp:'Barlow Condensed','PingFang SC','Microsoft YaHei',sans-serif;
  --body:'Source Sans 3','PingFang SC','Microsoft YaHei',sans-serif;
  --mono:'IBM Plex Mono','PingFang SC','Microsoft YaHei',monospace;
  --w:1200px;
  --gap:clamp(20px,3vw,36px);
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font:400 1rem/1.65 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0}
p{margin:0}
.container{max-width:var(--w);margin:0 auto;padding:0 clamp(18px,4vw,32px)}

/* unified photo grade — photographs only, never logos/certs */
.heroV-img,.pd-hero-photo img,.flagship-photo img,.ledger-row img,
.plant-strip img,.media-grid img,.wheel-card-image,.photo-figure,
.news-thumb,.plant-banner img,.factory-item img{
  filter:grayscale(.28) saturate(.72) contrast(1.06) brightness(.96) sepia(.06)}
img.no-grade,.certificate-scan img,.site-brand img{filter:none !important}

/* grain overlay for plate bands */
.grainy{position:relative}
.grainy::after{content:"";position:absolute;inset:0;background-image:var(--grain);
  opacity:.055;pointer-events:none}
.grainy>*{position:relative;z-index:1}

/* ---------- signature eyebrow: amber tick + mono stamp ---------- */
.tag{display:inline-flex;align-items:center;gap:10px;
  font:500 .74rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-2);background:none;padding:0;box-shadow:none}
.tag::before{content:"";width:9px;height:9px;border-radius:0;
  background:var(--amber);box-shadow:none;flex:0 0 auto}
.section--plate .tag,.grainy .tag{color:var(--on-plate-muted)}

/* ---------- type ---------- */
.d1{font:700 clamp(2.7rem,6.6vw,5.7rem)/0.98 var(--disp);
  text-transform:uppercase;letter-spacing:.004em}
.d2{font:700 clamp(1.9rem,3.9vw,3.3rem)/1 var(--disp);
  text-transform:uppercase;letter-spacing:.01em}
.d3{font:600 clamp(1.25rem,2vw,1.55rem)/1.12 var(--disp);
  text-transform:uppercase;letter-spacing:.02em}
.lead{font-size:clamp(1rem,1.35vw,1.13rem);color:var(--ink-2);max-width:58ch}
.mono{font-family:var(--mono)}
:lang(zh) em{font-style:normal}
:lang(zh) .d1{letter-spacing:.04em;line-height:1.1}
:lang(zh) .d2{letter-spacing:.05em;line-height:1.18}
:lang(zh) .d3{letter-spacing:.06em}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;cursor:pointer;
  font:600 .95rem/1 var(--body);text-decoration:none;border-radius:0;
  padding:1em 1.9em;border:1px solid transparent;
  transition:background .15s,border-color .15s,color .15s,transform .12s}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--ink);color:var(--paper);border-left:3px solid var(--amber)}
.btn-solid:hover{background:#000}
.btn-paper{background:var(--paper);color:var(--ink);border-left:3px solid var(--amber)}
.btn-paper:hover{background:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-ghost-light{border-color:rgba(244,242,238,.5);color:var(--on-plate);background:transparent}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-block{width:100%;justify-content:center}
.arrow-link{font:600 .98rem/1 var(--body);color:var(--ink);text-decoration:none}
.arrow-link::after{content:" →";color:var(--amber)}
.arrow-link:hover::after{color:var(--amber-deep)}
:focus-visible{outline:2.5px solid var(--amber-deep);outline-offset:2px}

/* ---------- topbar ---------- */
.topbar{background:var(--plate-deep);color:#8f969d;font:400 .78rem/1 var(--mono)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;
  min-height:35px;gap:12px}
.topbar a{color:#8f969d;text-decoration:none}
.topbar a:hover{color:#fff}
.topbar-links{display:flex;gap:1.8em;align-items:center}
.lang-toggle{display:flex;gap:0;border:1px solid #33363b}
.lang-toggle button{background:none;border:0;color:#8f969d;
  font:500 .75rem/1 var(--mono);padding:.5em .9em;cursor:pointer}
.lang-toggle button.is-active{background:none;color:#fff;
  box-shadow:inset 0 -2px 0 var(--amber)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;gap:clamp(14px,3vw,40px);min-height:78px}
.site-brand img{width:44px;height:auto}
.nav{margin-left:auto}
.nav ul{display:flex;gap:clamp(10px,1.7vw,30px);list-style:none;margin:0;padding:0}
.nav-link{display:inline-block;text-decoration:none;color:var(--ink-2);
  font:600 .95rem/1 var(--body);padding:1.85em 0 1.7em;position:relative;white-space:nowrap}
.nav-link:hover{color:var(--ink)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--amber);transform:scaleX(0);transition:transform .15s}
.nav-link:hover::after,.nav li.is-active .nav-link::after{transform:scaleX(1)}
.nav li.is-active .nav-link{color:var(--ink)}
.has-dropdown{position:relative}
.dropdown{position:absolute;top:100%;left:-16px;min-width:300px;background:var(--surface);
  border:1px solid var(--line);border-top:2px solid var(--amber);
  box-shadow:0 18px 44px rgba(29,31,33,.12);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:all .16s;
  list-style:none;margin:0;padding:6px 0;z-index:70}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{
  opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:.75em 1.15em;text-decoration:none;
  font:600 .92rem/1.3 var(--body)}
.dropdown a:hover{background:var(--paper)}
.dropdown-note{display:block;font:400 .78rem/1.35 var(--body);color:var(--ink-2);margin-top:2px}
.header-cta{display:flex;align-items:center;gap:10px}
.header-cta .btn{padding:.85em 1.4em;font-size:.88rem}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* ---------- breadcrumb ---------- */
.crumbs,.breadcrumb{background:var(--paper);border-bottom:1px solid var(--line)}
.crumbs .container,.breadcrumb .container{display:flex;gap:.6em;align-items:center;
  font:400 .78rem/1 var(--mono);letter-spacing:.05em;padding-top:12px;padding-bottom:12px;color:var(--ink-2)}
.crumbs a,.breadcrumb a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover,.breadcrumb a:hover{color:var(--ink)}
.crumbs .sep,.breadcrumb .sep{color:var(--line)}
.crumbs .current,.breadcrumb .current{color:var(--ink)}

/* ---------- hero (home) ---------- */
.heroV{position:relative;min-height:min(90vh,800px);display:flex;flex-direction:column;
  justify-content:flex-end;background:#141517}
.heroV-img{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.heroV::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(74deg,rgba(13,14,16,.95) 8%,rgba(13,14,16,.68) 42%,rgba(13,14,16,.14) 80%)}
.heroV::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.055;
  pointer-events:none;z-index:1}
.heroV .container{position:relative;z-index:2;padding-top:110px;width:100%;
  padding-bottom:clamp(30px,4vh,52px)}
.heroV .tag{margin-bottom:26px}
.heroV h1{color:var(--on-plate);max-width:15ch;text-wrap:balance}
.heroV h1 em{font-style:normal;color:var(--amber)}
.heroV .lead{color:#c9c4bb;margin-top:24px;max-width:60ch}
.hero-actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.heroV-meta{position:relative;z-index:2;border-top:1px solid rgba(244,242,238,.16)}
.heroV-meta .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:17px;padding-bottom:21px}
.heroV-meta span{font:400 .72rem/1.5 var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:#a49e93}
.heroV-meta span:last-child{color:var(--amber)}

/* ---------- stat band ---------- */
.band-stats{background:var(--plate-grad);border-top:1px solid #33363b;color:var(--on-plate)}
.band-stats .container{display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  padding-top:0;padding-bottom:0}
.stat{padding:clamp(26px,3vw,40px) clamp(14px,1.6vw,24px);
  border-left:1px solid rgba(255,255,255,.07)}
.stat-num{font:600 clamp(1.7rem,2.8vw,2.6rem)/1 var(--disp);text-transform:uppercase;white-space:nowrap}
.stat-num .unit{font:600 .62em/1 var(--disp);margin-left:.15em;letter-spacing:.04em}
.stat-label{display:flex;align-items:center;gap:8px;
  font:400 .78rem/1.45 var(--body);color:var(--on-plate-muted);margin-top:11px}
.stat-label::before{content:"";width:7px;height:7px;background:var(--amber);flex:0 0 auto}
.stat .badge-note{display:inline-block;margin-top:8px;margin-left:15px;
  font:400 .6rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  color:var(--on-plate-muted);border:1px solid rgba(255,255,255,.14);padding:.35em .6em}

/* ---------- section scaffolding ---------- */
.sec{padding:clamp(56px,8.5vw,112px) 0}
.sec-head{margin-bottom:clamp(30px,4vw,54px)}
.sec-head .tag{margin-bottom:20px}
.sec-head .lead{margin-top:16px}
.sec-head--split{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:clamp(28px,4vw,60px);align-items:end}
.sec-head--split .lead{border-left:1px solid var(--line);padding-left:clamp(18px,2.4vw,32px);
  padding-bottom:6px;margin-top:0}
.section--plate{background:var(--plate-grad);color:var(--on-plate)}
.section--plate .lead{color:var(--on-plate-muted)}
.section--plate .sec-head--split .lead{border-left-color:rgba(255,255,255,.12)}

/* ---------- flagship + ledger ---------- */
.flagship{position:relative;margin-bottom:clamp(34px,4.5vw,56px)}
.flagship-photo{position:relative;width:min(72%,860px);background:var(--surface);
  border:1px solid var(--line);padding:10px}
.flagship-photo img{width:100%;height:clamp(300px,34vw,480px);object-fit:cover}
.flagship-photo .ph-note{position:absolute;left:10px;right:10px;bottom:10px;
  background:rgba(20,21,23,.78);color:#ddd8cf;
  font:500 .7rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;padding:.95em 1.3em}
.flagship-body{background:var(--surface);border:1px solid var(--line);
  box-shadow:0 32px 64px rgba(29,31,33,.1);
  padding:clamp(26px,3.2vw,50px)}
@media(min-width:981px){
  .flagship{display:block;min-height:clamp(380px,38vw,520px)}
  .flagship-body{position:absolute;right:0;top:52px;width:min(46%,560px)}
}
.flagship-body h3{font:700 clamp(1.7rem,2.8vw,2.6rem)/1 var(--disp);text-transform:uppercase}
:lang(zh) .flagship-body h3{letter-spacing:.05em}
.flagship-rule{width:44px;height:3px;background:var(--amber);margin-top:18px}
.flagship-body p{color:var(--ink-2);margin-top:16px;line-height:1.7}
.chiprow{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{font:500 .74rem/1 var(--mono);letter-spacing:.05em;color:#3c4046;
  border:1px solid #c8c3ba;background:var(--paper);padding:.6em .85em;white-space:nowrap}
.flagship-body .arrow-link{margin-top:28px;display:inline-block}
.ledger{border-top:1px solid var(--line-strong)}
.ledger-row{display:grid;grid-template-columns:172px minmax(0,4fr) minmax(0,6fr) auto;
  gap:var(--gap);align-items:center;padding:24px 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;transition:background .15s}
.ledger-row:hover{background:var(--surface)}
.ledger-row img{width:172px;height:110px;object-fit:cover}
.ledger-row h3{font:600 clamp(1.2rem,1.9vw,1.7rem)/1.05 var(--disp);text-transform:uppercase}
:lang(zh) .ledger-row h3{letter-spacing:.05em}
.ledger-row p{color:var(--ink-2);font-size:.94rem;line-height:1.65}
.ledger-row .go{font:400 1.15rem/1 var(--mono);color:var(--ink);padding-right:6px;
  transition:color .15s}
.ledger-row:hover .go{color:var(--amber-deep)}

/* ---------- plant band ---------- */
.plant-band{background:var(--paper-2);padding:clamp(56px,8vw,96px) 0 0}
.plant-strip{display:grid;grid-template-columns:5fr 4fr 3fr;gap:5px;
  margin-top:clamp(30px,4vw,48px)}
.plant-strip figure{margin:0;position:relative;height:clamp(220px,25vw,360px);overflow:hidden}
.plant-strip img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.plant-strip figure:hover img{transform:scale(1.03)}
.plant-strip figcaption{position:absolute;left:0;bottom:0;
  background:var(--paper);color:var(--ink);
  font:500 .7rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;
  padding:.8em 1.2em}

/* ---------- numbered ledger steps ---------- */
.steps{display:block;border:0}
.step{display:flex;gap:clamp(16px,2vw,26px);padding:clamp(18px,2.2vw,26px) 0;
  border-bottom:1px solid rgba(255,255,255,.09);border-left:0}
.step:last-child{border-bottom:0}
.step-num{font:500 .82rem/1.6 var(--mono);color:var(--amber);width:64px;flex:0 0 auto}
.step-body{flex:1}
.step h3{font:600 clamp(1.1rem,1.6vw,1.35rem)/1.2 var(--disp);text-transform:uppercase;margin:0}
:lang(zh) .step h3{letter-spacing:.06em}
.step p{color:var(--on-plate-muted);font-size:.9rem;margin-top:7px;line-height:1.6}
.sec .mt,.section--plate .mt{margin-top:clamp(26px,3vw,40px)}
/* light-ground variant */
.steps--light .step{border-bottom-color:var(--line)}
.steps--light .step p{color:var(--ink-2)}

/* ---------- news ledger ---------- */
.news-ledger{border-top:1px solid var(--line-strong)}
.news-item{display:grid;grid-template-columns:110px minmax(0,1fr) auto;
  gap:var(--gap);align-items:baseline;padding:26px 0;
  border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.news-item:hover h3{text-decoration:underline;text-decoration-color:var(--amber);
  text-decoration-thickness:2.5px;text-underline-offset:5px}
.news-item .date{font:500 .78rem/1.5 var(--mono);letter-spacing:.06em;color:#8a857c}
.news-item h3{font:600 clamp(1.2rem,1.9vw,1.7rem)/1.12 var(--disp);text-transform:uppercase}
:lang(zh) .news-item h3{letter-spacing:.04em}
.news-item p{color:var(--ink-2);font-size:.94rem;margin-top:7px;max-width:80ch}
.news-item .go{font:400 1.15rem/1 var(--mono);color:var(--ink)}
/* news page cards (with photos) */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:clamp(16px,2vw,26px)}
.news-card{background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-date{font:500 .72rem/1 var(--mono);letter-spacing:.1em;color:#8a857c;text-transform:uppercase}
.news-card h3{font:600 1.25rem/1.16 var(--disp);text-transform:uppercase}
.news-card h3 a{text-decoration:none}
.news-card h3 a:hover{text-decoration:underline;text-decoration-color:var(--amber);text-decoration-thickness:2px}
.news-card p{color:var(--ink-2);font-size:.9rem}

/* ---------- inquiry (split) ---------- */
#inquiry{background:var(--plate-grad)}
.inquiry-wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.inquiry-intro{background:var(--plate-deep);color:var(--on-plate);
  border:1px solid rgba(255,255,255,.06);padding:clamp(30px,3.6vw,54px)}
.inquiry-intro h2{font:700 clamp(1.9rem,3vw,2.9rem)/1 var(--disp);text-transform:uppercase;margin-top:22px}
:lang(zh) .inquiry-intro h2{letter-spacing:.05em}
.inquiry-intro .lead{color:var(--on-plate-muted);margin-top:16px;font-size:.98rem}
.inquiry-contact{margin-top:clamp(26px,3.4vw,44px);display:flex;flex-direction:column;gap:14px;
  font:400 .82rem/1.6 var(--mono);color:var(--on-plate-warm)}
.inquiry{background:var(--surface);padding:clamp(26px,3.6vw,54px)}
.inquiry-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font:500 .7rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.field input,.field select,.field textarea{
  font:400 .98rem/1.4 var(--body);color:var(--ink);
  border:0;border-bottom:1px solid var(--ink);border-radius:0;background:transparent;
  padding:.7em .1em;transition:border-color .15s,box-shadow .15s}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;box-shadow:0 2px 0 var(--amber)}
.field input::placeholder,.field textarea::placeholder{color:#8a857c}
.inquiry .btn-block{margin-top:28px}
.form-promise{margin-top:14px;font-size:.86rem;color:var(--ink-2);
  display:flex;align-items:center;gap:.5em}
.form-promise .dot{width:.5em;height:.5em;border-radius:50%;background:var(--ok);flex:0 0 auto}
.form-status{margin-top:10px;font-size:.92rem}
.form-status.ok{color:var(--ok)}.form-status.err{color:#a33}

/* ---------- footer ---------- */
.site-footer{background:#141517;color:#8f969d}
.footer-top{padding:clamp(44px,6vw,68px) clamp(18px,4vw,32px) 30px}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.5fr));gap:var(--gap)}
.footer-brand .logo{display:block;color:var(--on-plate);text-decoration:none;
  font:700 1.45rem/1.1 var(--disp);text-transform:uppercase;margin-bottom:8px}
.footer-brand .logo span{color:var(--on-plate)}
.footer-brand .logo small{display:block;font:400 .7rem/1.5 var(--mono);
  color:#8f969d;text-transform:none;letter-spacing:.06em;margin-top:8px}
.footer-brand p{font-size:.86rem;line-height:1.7;margin-top:12px}
.footer-col h4{display:flex;align-items:center;gap:8px;
  font:500 .7rem/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--on-plate-warm);margin:0 0 18px}
.footer-col h4::before{content:"";width:7px;height:7px;background:var(--amber)}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#8f969d;text-decoration:none;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-contact-item{display:flex;gap:.7em;align-items:flex-start;margin-bottom:12px;font-size:.88rem}
.footer-contact-item svg{width:15px;height:15px;flex:0 0 auto;margin-top:4px;color:var(--amber)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:18px;padding-bottom:22px;border-top:1px solid rgba(255,255,255,.08);
  font:400 .76rem/1.6 var(--mono)}
.footer-bottom a{color:#8f969d;text-decoration:none}
.footer-bottom a:hover{color:#fff}
.beian-bar{text-align:center;padding:0 0 20px;margin-top:-6px;font-size:.72rem}
.beian-bar a{color:#8f969d;text-decoration:none}
.beian-bar a:hover{color:#fff;text-decoration:underline}

.to-top{position:fixed;right:22px;bottom:22px;z-index:50;width:44px;height:44px;
  background:var(--ink);color:var(--paper);border:0;border-left:3px solid var(--amber);
  cursor:pointer;display:none;align-items:center;justify-content:center}
.to-top.show{display:flex}
.to-top:hover{background:#000}

/* ---------- product page ---------- */
.pd-hero{background:var(--plate-grad);color:var(--on-plate);position:relative;overflow:hidden}
.pd-hero::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.055;pointer-events:none}
.pd-hero .container{position:relative;z-index:1;display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:var(--gap);align-items:center;
  padding-top:clamp(48px,6vw,86px);padding-bottom:clamp(48px,6vw,86px)}
.pd-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.badge{font:500 .7rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;
  padding:.6em .85em;border:1px solid rgba(255,255,255,.18);color:var(--on-plate-muted)}
.badge-live{background:none;border-color:var(--amber);color:var(--amber)}
.badge-outline{border-color:rgba(255,255,255,.18)}
.pd-hero h1,.pd-title{color:var(--on-plate);font:700 clamp(2.3rem,5vw,4.4rem)/0.98 var(--disp);text-transform:uppercase}
:lang(zh) .pd-hero h1{letter-spacing:.04em;line-height:1.1}
.pd-hero .lead,.pd-lead{color:var(--on-plate-muted);margin-top:18px;
  font-size:clamp(1rem,1.3vw,1.12rem);max-width:58ch}
.pd-hero .hero-actions{margin-top:30px}
.pd-hero-photo{position:relative;min-height:300px;height:100%;
  border:1px solid rgba(255,255,255,.1);padding:8px;background:rgba(255,255,255,.03)}
.pd-hero-photo img{width:100%;height:100%;object-fit:cover;min-height:284px}

/* wheel catalog (JS-rendered) */
.wheel-catalog-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-bottom:clamp(20px,3vw,32px)}
.wheel-catalog-filters{display:flex;flex-wrap:wrap;gap:8px}
.wheel-filter{font:500 .76rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  background:none;border:1px solid var(--ink);color:var(--ink);
  padding:.65em 1em;border-radius:0;cursor:pointer}
.wheel-filter:hover{background:var(--paper-2)}
.wheel-filter.is-active{background:var(--ink);color:var(--paper)}
.wheel-catalog-count{margin-left:auto;font:400 .78rem/1 var(--mono);color:var(--ink-2)}
.wheel-catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));
  gap:clamp(14px,2vw,22px)}
.wheel-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .15s,transform .15s}
.wheel-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.wheel-card-media{aspect-ratio:4/3;overflow:hidden;position:relative;background:var(--paper-2)}
.wheel-card-image{width:100%;height:100%;object-fit:cover}
.wheel-card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.wheel-card-category{font:500 .64rem/1 var(--mono);letter-spacing:.14em;
  text-transform:uppercase;color:#8a857c}
.wheel-card-model{font:600 1.24rem/1.1 var(--disp);text-transform:uppercase}
:lang(zh) .wheel-card-model{letter-spacing:.04em}
.wheel-card-summary{font-size:.88rem;color:var(--ink-2);flex:1;line-height:1.6}
.wheel-card-meta{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.wheel-card-meta li{font:500 .66rem/1 var(--mono);border:1px solid var(--line);
  background:var(--paper);padding:.45em .65em;color:#3c4046}
.wheel-card-action{font:600 .9rem/1 var(--body);color:var(--ink);margin-top:6px}
.wheel-card-action::after{content:" →";color:var(--amber)}
.wheel-catalog-loading,.wheel-catalog-error{font:400 .9rem/1.6 var(--mono);color:var(--ink-2);
  padding:40px 0;text-align:center}

/* wheel product detail (JS-rendered) */
.wheel-detail-hero{background:var(--plate-grad);color:var(--on-plate)}
.wheel-detail-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:0;margin:0;border:1px solid var(--line)}
.wheel-detail-fact{padding:16px 18px;border-right:1px solid var(--line)}
.wheel-detail-fact dt{font:500 .66rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.wheel-detail-fact dd{margin:8px 0 0;font:600 1.05rem/1.3 var(--disp);text-transform:uppercase}
.wheel-detail-panel{margin-top:clamp(24px,3vw,36px)}
.wheel-detail-panel h2{font:600 1.4rem/1.15 var(--disp);text-transform:uppercase;margin-bottom:14px}
.wheel-detail-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.wheel-detail-list li{position:relative;padding-left:18px;color:var(--ink-2);font-size:.95rem}
.wheel-detail-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:2px;background:var(--amber)}
.wheel-detail-thumb{border:1px solid var(--line);background:var(--surface);padding:3px;cursor:pointer}
.wheel-detail-thumb.is-active{border-color:var(--ink)}
.wheel-procurement-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.wheel-procurement-panel{background:var(--surface);border:1px solid var(--line);padding:clamp(20px,2.4vw,32px)}
.wheel-procurement-panel h3{font:600 1.15rem/1.2 var(--disp);text-transform:uppercase;margin-bottom:14px}
.wheel-procurement-specs{margin:0}
.wheel-procurement-spec{display:flex;justify-content:space-between;gap:14px;
  padding:9px 0;border-bottom:1px solid var(--line)}
.wheel-procurement-spec dt{font:500 .76rem/1.5 var(--mono);color:var(--ink-2);letter-spacing:.04em}
.wheel-procurement-spec dd{margin:0;font-weight:600;font-size:.92rem;text-align:right}
.wheel-procurement-link{display:inline-block;margin-top:14px;font:600 .92rem/1 var(--body);
  color:var(--ink);text-decoration:none;border-bottom:2px solid var(--amber);padding-bottom:2px}
.wheel-config-select{font:600 .82rem/1 var(--body);background:var(--ink);color:var(--paper);
  border:0;border-left:3px solid var(--amber);padding:.8em 1.2em;cursor:pointer}

/* ---------- amber catalogue banner ---------- */
.cat-banner{background:var(--amber)}
.cat-banner .container{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--gap);
  align-items:center;padding-top:clamp(30px,4vw,50px);padding-bottom:clamp(30px,4vw,50px)}
.cat-banner .tag{color:rgba(29,31,33,.85)}
.cat-banner .tag::before{background:var(--ink)}
.cat-banner h2{font:700 clamp(1.5rem,2.6vw,2.3rem)/1.05 var(--disp);text-transform:uppercase;margin-top:14px;color:var(--ink)}
:lang(zh) .cat-banner h2{letter-spacing:.05em}
.cat-banner p{color:rgba(29,31,33,.72);margin-top:10px;max-width:64ch}
.cat-banner .btn{background:var(--ink);color:var(--paper);border-left-color:var(--ink);white-space:nowrap}
.cat-banner .btn:hover{background:#000}

/* ---------- info block / media grid ---------- */
.info-block{background:var(--surface);border:1px solid var(--line);
  padding:clamp(22px,2.8vw,36px)}
.info-block h3{display:flex;align-items:center;gap:10px;
  font:600 1.3rem/1.15 var(--disp);text-transform:uppercase}
.info-block h3::before{content:"";width:8px;height:8px;background:var(--amber);flex:0 0 auto}
:lang(zh) .info-block h3{letter-spacing:.05em}
.info-block p{color:var(--ink-2);margin-top:12px;line-height:1.7}
.info-block a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--amber);
  text-decoration-thickness:2px;text-underline-offset:3px}
.media-grid,.factory-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:5px}
.media-grid figure,.factory-item{margin:0;position:relative;aspect-ratio:4/3;overflow:hidden}
.media-grid img,.factory-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.media-grid figure:hover img,.factory-item:hover img{transform:scale(1.03)}
.media-grid figcaption,.factory-item figcaption{position:absolute;left:0;bottom:0;
  background:var(--paper);color:var(--ink);
  font:500 .68rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;
  padding:.75em 1.1em}
.plant-banner{margin:0;position:relative;overflow:hidden}
.plant-banner img{width:100%;height:clamp(260px,34vw,460px);object-fit:cover}
.plant-banner figcaption{position:absolute;left:0;bottom:0;background:var(--paper);
  color:var(--ink);font:500 .7rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;
  padding:.85em 1.3em}

/* ---------- tables ---------- */
.spec-caption{font:500 .78rem/1.5 var(--mono);letter-spacing:.04em;color:var(--ink-2);
  background:var(--paper-2);border:1px solid var(--line);border-bottom:none;
  padding:13px 17px;margin-top:28px}
.spec-table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--surface)}
.spec-table{border-collapse:collapse;width:100%;font-size:.86rem}
.spec-table th{font:500 .68rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;
  text-align:left;background:var(--plate);color:var(--on-plate-warm);
  padding:11px 13px;white-space:nowrap}
.spec-table td{padding:9px 13px;border-bottom:1px solid var(--line);white-space:nowrap}
.spec-table tr:nth-child(even) td{background:var(--paper)}
.spec-table .model{font:500 .84rem/1.4 var(--mono);color:var(--ink)}
.spec-table .tbd,.tbd{color:#8a857c}
.spec-note{display:flex;gap:10px;align-items:flex-start;margin-top:14px;
  font-size:.88rem;color:var(--ink-2);line-height:1.65}
.spec-note svg{flex:0 0 auto;margin-top:3px;color:var(--amber-deep)}
.spec-bullets{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:9px;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.spec-bullets li{position:relative;padding-left:18px;font-size:.93rem;color:var(--ink-2);line-height:1.6}
.spec-bullets li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:2px;background:var(--amber)}

/* ---------- photo cards (product sub-pages) ---------- */
.photo-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.photo-card{margin:0;border:1px solid var(--line);overflow:hidden;background:var(--surface)}
.photo-card .photo-figure{border:0;aspect-ratio:1/1;width:100%;object-fit:cover}
.photo-card figcaption{padding:11px 13px 12px;border-top:1px solid var(--line)}
.photo-card .cap-model{display:block;font:500 .8rem/1.3 var(--mono);letter-spacing:.04em;color:var(--ink)}
.photo-card .cap-desc{display:block;font-size:.76rem;color:var(--ink-2);margin-top:3px;line-height:1.45}

/* ---------- certificates (quality page) ---------- */
.certificate-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:clamp(16px,2vw,26px)}
.certificate-scan{margin:0;background:var(--surface);border:1px solid var(--line);padding:10px}
.certificate-scan img{width:100%;height:auto}
.certificate-scan figcaption{padding:12px 6px 4px}
.certificate-scan strong{display:block;font:600 1rem/1.3 var(--disp);text-transform:uppercase}
.certificate-scan span{display:block;font-size:.8rem;color:var(--ink-2);margin-top:4px}
.simple-card{background:var(--surface);border:1px solid var(--line);padding:clamp(20px,2.4vw,30px)}
.simple-card h3{display:flex;align-items:center;gap:9px;font:600 1.15rem/1.25 var(--disp);text-transform:uppercase}
.simple-card h3 svg{color:var(--amber-deep)}
.simple-card p{color:var(--ink-2);margin-top:10px;font-size:.92rem;line-height:1.65}
.muted-note{font-size:.85rem;color:#8a857c}

/* ---------- legacy compatibility (v1 classes that may remain) ---------- */
.section{padding:clamp(56px,8.5vw,112px) 0}
.section--tight{padding:clamp(40px,6vw,72px) 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--plate-grad);color:var(--on-plate)}
.section--dark .lead,.section--dark p{color:var(--on-plate-muted)}
.section--dark h2{color:var(--on-plate)}
.section-head{margin-bottom:clamp(28px,4vw,48px)}
.section-head.center{text-align:center}
.section-head.center .tag{justify-content:center}
.section-head h2{font:700 clamp(1.9rem,3.9vw,3.3rem)/1 var(--disp);text-transform:uppercase}
:lang(zh) .section-head h2{letter-spacing:.05em;line-height:1.18}
.section-head p{color:var(--ink-2);margin-top:14px;max-width:58ch;
  font-size:clamp(1rem,1.35vw,1.13rem)}
.section--dark .section-head p{color:var(--on-plate-muted)}
.dim-label{display:inline-flex;align-items:center;gap:10px;
  font:500 .74rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-2);margin-bottom:18px}
.dim-label::before{content:"";width:9px;height:9px;background:var(--amber)}
.section--dark .dim-label{color:var(--on-plate-muted)}
.ruler,.ruler--dark{display:none}
.btn-primary{background:var(--ink);color:var(--paper);border-left:3px solid var(--amber);
  display:inline-flex;align-items:center;gap:.6em;font:600 .95rem/1 var(--body);
  text-decoration:none;padding:1em 1.9em;border-top:0;border-right:0;border-bottom:0;cursor:pointer}
.btn-primary:hover{background:#000}
.btn-outline{display:inline-flex;align-items:center;gap:.6em;font:600 .95rem/1 var(--body);
  text-decoration:none;padding:1em 1.9em;border:1px solid var(--ink);color:var(--ink);cursor:pointer}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-outline-light{display:inline-flex;align-items:center;gap:.6em;font:600 .95rem/1 var(--body);
  text-decoration:none;padding:1em 1.9em;border:1px solid rgba(244,242,238,.5);color:var(--on-plate);cursor:pointer}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-sm{padding:.85em 1.4em;font-size:.88rem}
.btn-block{width:100%;justify-content:center}
.badge-outline{border:1px solid var(--line);color:var(--ink-2);background:none;
  font:500 .7rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:.55em .8em}
.badge-live{border:1px solid var(--amber);color:var(--amber-deep);background:none;
  font:500 .7rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:.55em .8em}
.section--dark .badge-live,.pd-hero .badge-live{color:var(--amber)}
.mt-md{margin-top:clamp(20px,2.6vw,32px)}
.mt-lg{margin-top:clamp(28px,3.4vw,44px)}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.trust-card{background:var(--surface);border:1px solid var(--line);padding:22px 20px}
.trust-icon{display:none}
.trust-num{font:600 1.7rem/1.1 var(--disp);text-transform:uppercase}
.trust-num .unit{font-size:.62em;margin-left:.15em}
.trust-label{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--ink-2);margin-top:9px}
.trust-label::before{content:"";width:7px;height:7px;background:var(--amber);flex:0 0 auto}
.trust-tbd{display:block;margin-top:8px}
.hero-photo{position:relative;min-height:min(88vh,760px);display:flex;align-items:flex-end;background:#141517}
.hero-slides{position:absolute;inset:0;overflow:hidden}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity .8s;filter:grayscale(.28) saturate(.72) contrast(1.06) brightness(.96) sepia(.06)}
.hero-slide.is-active{opacity:1}
.hero-photo::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(74deg,rgba(13,14,16,.95) 8%,rgba(13,14,16,.68) 42%,rgba(13,14,16,.14) 80%)}
.hero-photo .container{position:relative;z-index:2;padding-top:96px;padding-bottom:clamp(44px,7vh,84px);width:100%}
.hero-copy h1{font:700 clamp(2.7rem,6.6vw,5.7rem)/0.98 var(--disp);text-transform:uppercase;
  color:var(--on-plate);max-width:15ch}
:lang(zh) .hero-copy h1{letter-spacing:.04em;line-height:1.1}
.hero-copy h1 em{font-style:normal;color:var(--amber)}
.hero-sub{color:#c9c4bb;margin-top:24px;max-width:60ch;font-size:clamp(1rem,1.35vw,1.13rem)}
.hero-dots{position:absolute;right:clamp(18px,4vw,32px);bottom:22px;z-index:3;display:flex;gap:8px}
.hero-dots button{width:26px;height:3px;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.hero-dots button.is-active{background:var(--amber)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:clamp(14px,2vw,22px)}
.product-card{background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;
  transition:border-color .15s,transform .15s}
.product-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.product-card>img{width:100%;aspect-ratio:4/3;object-fit:cover}
.product-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.product-card-body h3{font:600 1.3rem/1.12 var(--disp);text-transform:uppercase}
.product-card-body p{color:var(--ink-2);font-size:.9rem;flex:1;line-height:1.6}
.product-card-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:6px}
.product-card-link{font:600 .9rem/1 var(--body);color:var(--ink);text-decoration:none}
.product-card-link::after{content:" →";color:var(--amber)}
.step-flow{display:block}
.step-flow .step{display:flex;gap:clamp(16px,2vw,26px);padding:clamp(18px,2.2vw,26px) 0;
  border-bottom:1px solid rgba(255,255,255,.09)}
.step-flow .step:last-child{border-bottom:0}
.step-flow .step-num{font:500 .82rem/1.6 var(--mono);color:var(--amber);width:64px;flex:0 0 auto}
.step-flow .step h3{font:600 clamp(1.1rem,1.6vw,1.35rem)/1.2 var(--disp);text-transform:uppercase}
.step-flow .step p{color:var(--on-plate-muted);font-size:.9rem;margin-top:7px}
.step-arrow{display:none}
.section:not(.section--dark) .step-flow .step{border-bottom-color:var(--line)}
.section:not(.section--dark) .step-flow .step p{color:var(--ink-2)}
.park-banner{background:var(--paper-2);border:1px solid var(--line);padding:14px 18px;
  font:400 .82rem/1.6 var(--mono);color:var(--ink-2)}
.hidden{display:none}

/* ---------- reveal motion ---------- */
@media(prefers-reduced-motion:no-preference){
  .heroV .tag,.heroV h1,.heroV .lead,.heroV .hero-actions,
  .hero-copy .dim-label,.hero-copy h1,.hero-sub,.hero-photo .hero-actions{
    animation:rise .7s cubic-bezier(.2,.7,.3,1) both}
  .heroV h1,.hero-copy h1{animation-delay:.08s}
  .heroV .lead,.hero-sub{animation-delay:.16s}
  .heroV .hero-actions,.hero-photo .hero-actions{animation-delay:.24s}
  @keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .flagship-photo{width:100%}
  .flagship-body{margin-top:16px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .pd-hero .container{grid-template-columns:1fr}
  .pd-hero-photo{min-height:230px}
  .cat-banner .container{grid-template-columns:1fr}
  .inquiry-wrap{grid-template-columns:1fr}
  .sec-head--split{grid-template-columns:1fr}
  .sec-head--split .lead{border-left:0;padding-left:0}
  .plant-strip{grid-template-columns:1fr 1fr}
  .wheel-procurement-grid{grid-template-columns:1fr}
}
@media(max-width:860px){
  .nav{position:fixed;inset:78px 0 auto 0;background:var(--surface);
    border-bottom:1px solid var(--line);display:none;padding:10px 0 18px;margin:0;z-index:59}
  .nav.is-open{display:block}
  .nav ul{flex-direction:column;gap:0;padding:0 22px}
  .nav-link{padding:.9em 0;width:100%}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;border-left:2px solid var(--amber);margin:4px 0 8px 8px}
  .burger{display:block;margin-left:auto}
  .nav{margin-left:0}
  .header-cta .btn-ghost{display:none}
  .header-cta{margin-left:auto}
  .ledger-row{grid-template-columns:96px minmax(0,1fr) auto;grid-template-rows:auto auto}
  .ledger-row img{width:96px;height:72px;grid-row:1/3}
  .ledger-row p{grid-column:2/4}
  .ledger-row .go{display:none}
  .news-item{grid-template-columns:minmax(0,1fr) auto}
  .news-item .date{grid-column:1/3;order:-1}
  .plant-strip{grid-template-columns:1fr}
  .inquiry-grid{grid-template-columns:1fr}
  .heroV-meta .container{gap:8px}
  .heroV-meta span{letter-spacing:.1em}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .stat{padding:18px 14px}
  .topbar .hide-mobile{display:none}
  .wheel-detail-fact{border-bottom:1px solid var(--line)}
}

/* ---------- legacy layer II: page-level components ---------- */
.page-hero{background:var(--plate-grad);color:var(--on-plate);position:relative}
.page-hero::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.055;pointer-events:none}
.page-hero .container{position:relative;z-index:1;
  padding-top:clamp(44px,6vw,80px);padding-bottom:clamp(44px,6vw,80px)}
.page-hero h1{font:700 clamp(2.3rem,5vw,4.2rem)/0.98 var(--disp);text-transform:uppercase;color:var(--on-plate)}
:lang(zh) .page-hero h1{letter-spacing:.04em;line-height:1.1}
.page-hero p{color:var(--on-plate-muted);margin-top:16px;max-width:60ch;
  font-size:clamp(1rem,1.3vw,1.12rem)}
.page-hero .dim-label{color:var(--on-plate-muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
@media(max-width:860px){.two-col{grid-template-columns:1fr}}
.prose{max-width:72ch;color:var(--ink-2);line-height:1.75}
.prose p{margin:0 0 1em}
.prose strong{color:var(--ink)}
.check-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.check-list li{position:relative;padding-left:24px;color:var(--ink-2);font-size:.95rem;line-height:1.6}
.check-list li::before{content:"";position:absolute;left:0;top:.42em;width:12px;height:7px;
  border-left:2.5px solid var(--amber-deep);border-bottom:2.5px solid var(--amber-deep);
  transform:rotate(-45deg)}
.card-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:clamp(14px,2vw,22px)}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(16px,2.4vw,32px)}
.contact-card{background:var(--surface);border:1px solid var(--line);padding:clamp(18px,2.2vw,28px);margin-bottom:14px}
.contact-card h4{display:flex;align-items:center;gap:9px;
  font:600 1.02rem/1.25 var(--disp);text-transform:uppercase;margin:0 0 8px}
.contact-card h4::before{content:"";width:7px;height:7px;background:var(--amber);flex:0 0 auto}
.contact-card p,.contact-card a{color:var(--ink-2);font-size:.92rem;text-decoration:none;line-height:1.65}
.contact-card a:hover{color:var(--ink)}
.gallery-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:5px}
.gallery-strip figure,.gallery-strip .factory-item{margin:0;position:relative;aspect-ratio:4/3;overflow:hidden}
.gallery-strip img{width:100%;height:100%;object-fit:cover;
  filter:grayscale(.28) saturate(.72) contrast(1.06) brightness(.96) sepia(.06)}
.photo-figure--wide{aspect-ratio:16/9;object-fit:cover;width:100%}
.plant-head{padding-bottom:clamp(26px,3vw,40px)}
.plant-caption{font:500 .7rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.sticky-cta{position:sticky;bottom:0;z-index:40;background:var(--plate-deep);
  border-top:2px solid var(--amber)}
.sticky-cta .container{display:flex;justify-content:space-between;align-items:center;gap:16px;
  flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.sticky-cta-text{color:var(--on-plate-warm);font-size:.92rem}
.sticky-cta-text strong{color:var(--on-plate)}
.sticky-cta-actions{display:flex;gap:10px}
.technical-backbar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.technical-backbar .container{padding-top:12px;padding-bottom:12px;
  font:400 .8rem/1.5 var(--mono)}
.technical-backbar a{color:var(--ink-2);text-decoration:none}
.technical-backbar a:hover{color:var(--ink)}
.badge-trade{border:1px solid var(--line);color:var(--ink-2);background:var(--paper);
  font:500 .68rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:.5em .75em}
.certificate-scan-label{font:500 .66rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;
  color:#8a857c;display:block;margin-top:6px}
.heroV-plate{display:none}
#inquiry .section-head h2,#inquiry .sec-head h2{color:var(--on-plate)}
#inquiry .section-head p,#inquiry .sec-head p{color:var(--on-plate-muted)}
#inquiry .dim-label,#inquiry .tag{color:var(--on-plate-muted)}
#inquiry .inquiry{border-top:0}
.pd-hero .container>img{border:1px solid rgba(255,255,255,.1);padding:8px;
  background:rgba(255,255,255,.03);width:100%;height:100%;object-fit:cover;min-height:284px}
/* steps as grid (handles unwrapped h3/p) */
.step,.step-flow .step{display:grid;grid-template-columns:64px minmax(0,1fr);
  gap:6px clamp(16px,2vw,26px);padding:clamp(18px,2.2vw,26px) 0}
.step-num,.step-flow .step-num{grid-row:1/4;width:auto}
.step h3,.step-flow .step h3{grid-column:2;margin:0}
.step p,.step-flow .step p{grid-column:2;margin:0}
.step-body{display:contents}
.wheel-catalog-note{font:400 .8rem/1.6 var(--mono);color:var(--ink-2);margin-top:14px}

/* constrain inline icons that carry no width attribute */
.footer-contact-item svg,.contact-card svg,.simple-card svg,.spec-note svg,
.check-item svg,.quality-step svg,.info-block svg{width:16px;height:16px;flex:0 0 auto}
svg:not([width]):not(.photo-figure){max-width:22px;max-height:22px}

/* ── WhatsApp conversion pack: clickable footer contacts + floating bubble ── */
a.ft-link{color:inherit;text-decoration:none}
a.ft-link:hover span{color:var(--amber)}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:80;width:54px;height:54px;border-radius:50%;
  background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(0,0,0,.3)}
.wa-float:hover{background:#1eb857;color:#fff}
body:has(.sticky-cta) .wa-float{bottom:88px}
@media(max-width:560px){.wa-float{width:48px;height:48px;right:14px;bottom:14px}
  body:has(.sticky-cta) .wa-float{bottom:82px}}

/* ── conversion pack 2: ordering facts / form include hint / catalogue filter+row quote ── */
.form-include{font:400 .8rem/1.55 var(--mono);color:var(--ink-2);margin-top:8px}
.section--plate .form-include,.grainy .form-include{color:var(--on-plate-muted)}
.order-facts{max-width:780px;margin:0 auto 28px;border:1px solid var(--line);background:var(--surface)}
.order-fact{display:flex;gap:14px;padding:10px 16px;border-bottom:1px solid var(--line);align-items:baseline}
.order-fact:last-child{border-bottom:none}
.of-k{font:500 .72rem/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber-deep);flex:0 0 96px}
.of-v{font-size:.92rem;color:var(--ink-2)}
@media(max-width:560px){.order-fact{flex-direction:column;gap:3px}.of-k{flex:none}}
.cat-filter{display:flex;gap:12px;align-items:center;margin:0 0 14px;flex-wrap:wrap}
.cat-filter input{flex:0 1 360px;font:400 .9rem/1.2 var(--body);padding:.7em .9em;
  border:1px solid var(--line-strong);background:var(--surface);border-radius:0}
.cat-filter input:focus{outline:2px solid var(--amber-deep)}
.cat-count{font:500 .78rem/1 var(--mono);color:var(--ink-2)}
.row-quote{font:600 .8rem/1 var(--body);color:var(--amber-deep);text-decoration:none;white-space:nowrap}
.row-quote:hover{text-decoration:underline}