/* Guangdong Tongda Industrial — site styles
   Identity from the company brochure: deep navy ground, gold logo, cyan film-sheen highlights.
   Layout: 1160px left-aligned container; dark header + hero, light sections, dark footer. */
:root{
  --bg:#F4F6F9;
  --surface:#FFFFFF;
  --ink:#0E1621;
  --ink-2:#3A4654;
  --ink-3:#66717F;
  --line:#D8DFE7;
  --line-strong:#B8C3CF;
  --brand:#0F2A44;
  --brand-deep:#0B1623;
  --brand-tint:#E4ECF3;
  --brand-text:#E9EEF4;
  --gold:#C9A24E;
  --gold-hover:#B8913F;
  --gold-ink:#17120A;
  --sheen-a:#5FD3E3;
  --sheen-b:#1E8FB3;
  --ok:#2E8B57;
  --font-display:'Sora',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'IBM Plex Sans','Helvetica Neue',Arial,sans-serif;
  --font-mono:'IBM Plex Mono','SF Mono',Menlo,Consolas,monospace;
  --radius:6px;
  --container:1160px;
  --gutter:clamp(16px,4vw,40px);
  --section:clamp(56px,8vw,96px);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sheen-a);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0;text-wrap:balance;font-weight:600;color:var(--ink)}
h1{font-size:clamp(34px,5vw,58px);letter-spacing:-.02em}
h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.015em}
h3{font-size:clamp(19px,2vw,22px)}
h4{font-size:15px;letter-spacing:.02em}
p,ul,ol{margin:0}
figure{margin:0}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.section{padding-block:var(--section)}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:grid;gap:14px;max-width:760px;margin-bottom:clamp(28px,4vw,44px)}
.section-head p{color:var(--ink-2);font-size:18px}
.section-head .eyebrow{color:var(--sheen-b)}
.lead{font-size:clamp(18px,2vw,21px);color:var(--ink-2);max-width:62ch;line-height:1.55}
.muted{color:var(--ink-3)}
.mono{font-family:var(--font-mono)}
.bullets{padding-left:0;list-style:none;display:grid;gap:10px}
.bullets li{position:relative;padding-left:26px;color:var(--ink-2)}
.bullets li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;border-left:2px solid var(--sheen-b);border-bottom:2px solid var(--sheen-b);transform:rotate(-45deg)}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}
.chips li,.chips a{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-2);border:1px solid var(--line-strong);border-radius:999px;padding:7px 13px;background:var(--surface);text-decoration:none}
.chips a:hover{border-color:var(--brand);color:var(--brand)}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--brand-deep);border-bottom:1px solid rgba(255,255,255,.08)}
.site-header .container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.01em;line-height:1.1}
.brand>span{white-space:nowrap}
.brand img{height:40px;width:auto;flex:none}
.brand small{display:block;font-family:var(--font-mono);font-weight:400;font-size:10.5px;letter-spacing:.1em;color:rgba(233,238,244,.6);text-transform:uppercase;margin-top:4px;white-space:nowrap}
@media (max-width:640px){.brand small{display:none}}
@media (max-width:420px){.brand{font-size:16px}.brand img{height:34px}}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;text-decoration:none;color:rgba(233,238,244,.85);font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{color:var(--gold)}
.nav a.btn{color:var(--gold-ink)}
.nav a.btn:hover{color:var(--gold-ink)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.25);background:transparent;border-radius:var(--radius);cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px}
@media (max-width:960px){
  .nav{display:none}
  .nav.is-open{display:flex;flex-direction:column;align-items:flex-start;position:absolute;top:100%;left:0;right:0;background:var(--brand-deep);border-bottom:1px solid rgba(255,255,255,.1);padding:18px var(--gutter) 24px;gap:18px;box-shadow:0 14px 30px rgba(0,0,0,.25)}
  .nav-toggle{display:inline-flex}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;border-radius:var(--radius);font-family:var(--font-display);font-weight:600;font-size:15.5px;text-decoration:none;border:1px solid transparent;cursor:pointer;line-height:1.2;transition:background .15s,color .15s,border-color .15s,transform .15s;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn-accent{background:var(--gold);color:var(--gold-ink);border-color:var(--gold)}
.btn-accent:hover{background:var(--gold-hover);border-color:var(--gold-hover);color:var(--gold-ink)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-tint)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:9px 14px;font-size:14px}

/* Hero */
.hero{position:relative;overflow:hidden;background:#07121C url("img/hero-bg.jpg") center right/cover no-repeat;color:var(--brand-text);padding-block:clamp(64px,9vw,120px)}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,18,28,.94) 0%,rgba(7,18,28,.82) 45%,rgba(7,18,28,.35) 75%,rgba(7,18,28,.15) 100%)}
@media (max-width:760px){.hero::before{background:linear-gradient(180deg,rgba(7,18,28,.9) 0%,rgba(7,18,28,.8) 100%)}}
.hero .container{position:relative}
.hero-inner{max-width:680px}
.hero .eyebrow{color:var(--gold)}
.hero h1{color:#fff;margin-top:16px}
.hero .lead{color:rgba(233,238,244,.86);margin-top:22px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:36px;font-family:var(--font-mono);font-size:13px;color:rgba(233,238,244,.72)}
.hero-meta span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sheen-a);margin-right:9px;vertical-align:middle}

/* Page hero (inner pages) */
.page-hero{background:var(--surface);border-bottom:1px solid var(--line);padding-block:clamp(44px,6vw,72px)}
.page-hero h1{margin-top:14px;font-size:clamp(32px,4.4vw,50px)}
.page-hero .lead{margin-top:18px}
.page-hero .chips{margin-top:26px}

/* Stats strip */
.stats{background:var(--surface);border-bottom:1px solid var(--line)}
.stats .container{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:26px 22px 26px 0;border-left:1px solid var(--line);padding-left:22px}
.stat:first-child{border-left:0;padding-left:0}
.stat strong{display:block;font-family:var(--font-display);font-size:clamp(24px,2.6vw,30px);letter-spacing:-.02em;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1}
.stat span{display:block;font-size:14px;color:var(--ink-3);margin-top:6px}
@media (max-width:760px){.stats .container{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}.stat:nth-child(odd){border-left:0;padding-left:0}.stat{padding-block:20px}}

/* Product groups and cards */
.group-title{display:flex;align-items:center;gap:16px;margin:clamp(28px,4vw,40px) 0 18px}
.group-title:first-of-type{margin-top:0}
.group-title h3{font-size:16px;letter-spacing:.02em;white-space:nowrap}
.group-title span{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-3)}
.group-title::after{content:"";flex:1;height:1px;background:var(--line)}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:900px){.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.product-grid{grid-template-columns:1fr}}
.product-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s;min-width:0}
.product-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.pic{aspect-ratio:4/3;max-width:100%;background:linear-gradient(160deg,#F1F4F8 0%,#D9E2EB 100%);display:grid;place-items:center;padding:16px;overflow:hidden;position:relative}
.pic img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.pic.cover{padding:0}
.pic.cover img{width:100%;height:100%;object-fit:cover}
.pic.tall img{max-height:88%}
.product-card .body{padding:18px 18px 20px;display:grid;gap:8px;align-content:start}
.product-card h3{font-size:18px}
.product-card .code{font-family:var(--font-mono);font-size:12px;color:var(--sheen-b);letter-spacing:.08em}
.product-card p{font-size:15px;color:var(--ink-2)}
.product-card .use{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-3);margin-top:4px}
.more-card{background:var(--brand-tint);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;gap:12px;align-content:start}
.more-card h3{font-size:18px}
.more-card p{font-size:15px;color:var(--ink-2)}

/* Application gallery */
.app-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:900px){.app-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.app-gallery{grid-template-columns:1fr}}
.app-tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;min-width:0}
.app-tile .pic{aspect-ratio:3/2;background:linear-gradient(160deg,#F4F6F9 0%,#E2E8EF 100%)}
.app-tile .pic.duo{grid-template-columns:1fr 1fr;gap:10px}
.app-tile .pic.duo img{max-height:100%}
.app-tile .body{padding:16px 18px 18px;display:grid;gap:6px}
.app-tile h3{font-size:17px}
.app-tile p{font-size:14.5px;color:var(--ink-2)}
.app-tile .films{font-family:var(--font-mono);font-size:12px;color:var(--ink-3)}

/* Photo galleries */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.gallery figcaption{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-3);margin-top:8px}
.banner{width:100%;aspect-ratio:21/8;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
@media (max-width:600px){.banner{aspect-ratio:16/9}}

/* Locations */
.loc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:900px){.loc-grid{grid-template-columns:1fr}}
.loc{display:grid;gap:12px;min-width:0;align-content:start}
.loc img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.loc h3{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.loc h3 .role{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--sheen-b);font-weight:500}
.loc p{font-size:15px;color:var(--ink-2)}
.addr{font-size:14.5px;color:var(--ink-2);display:grid;gap:4px}
.addr .tel{font-family:var(--font-mono);font-size:13.5px;color:var(--ink)}

/* Process */
.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;counter-reset:step;padding:0;list-style:none}
@media (max-width:1000px){.process{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:620px){.process{grid-template-columns:1fr}}
.step{position:relative;padding-top:18px;border-top:2px solid var(--line);display:grid;gap:8px;align-content:start;min-width:0}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-mono);font-size:13px;color:var(--sheen-b);letter-spacing:.1em}
.step h3{font-size:17px}
.step p{font-size:15px;color:var(--ink-2)}

/* Why us */
.why-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 40px}
@media (max-width:760px){.why-grid{grid-template-columns:1fr}}
.why{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;min-width:0}
.why .tick{width:28px;height:28px;border-radius:50%;background:var(--brand-tint);display:grid;place-items:center;margin-top:2px}
.why .tick::before{content:"";width:11px;height:6px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateY(-1px) rotate(-45deg)}
.why h3{font-size:17px}
.why p{font-size:15px;color:var(--ink-2);margin-top:4px}

/* Values */
.values{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:760px){.values{grid-template-columns:repeat(2,minmax(0,1fr))}}
.value-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:6px}
.value-card .zh{font-family:var(--font-display);font-size:28px;color:var(--gold);line-height:1}
.value-card strong{font-family:var(--font-display);font-size:16px}
.value-card span{font-size:14px;color:var(--ink-3)}

/* Contact panel */
.contact-panel{background:var(--brand-deep);color:var(--brand-text);border-radius:10px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(28px,4vw,56px);align-items:center;position:relative;overflow:hidden}
.contact-panel::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 100% 0%,rgba(30,143,179,.35),transparent 60%);pointer-events:none}
.contact-panel>*{position:relative}
.contact-panel h2{color:#fff}
.contact-panel .lead{color:rgba(233,238,244,.82);margin-top:14px}
.contact-panel .eyebrow{color:var(--gold)}
@media (max-width:860px){.contact-panel{grid-template-columns:minmax(0,1fr)}}
@media (max-width:480px){.btn{white-space:normal;text-align:center}.hero-ctas .btn{width:100%}.contact-panel{padding:22px 18px}}
.contact-lines{display:grid;gap:14px}
.contact-line{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:14px 16px;min-width:0}
.contact-line .label{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(233,238,244,.6)}
.contact-line .value{font-family:var(--font-display);font-weight:600;font-size:17px;color:#fff;word-break:break-all;margin-top:3px}
.copy-btn{font-family:var(--font-mono);font-size:12.5px;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;border-radius:4px;padding:7px 11px;cursor:pointer;white-space:nowrap}
.copy-btn:hover{background:rgba(255,255,255,.1)}
.copy-btn.is-done{border-color:var(--sheen-a);color:var(--sheen-a)}
.contact-line.light{background:var(--surface);border-color:var(--line)}
.contact-line.light .label{color:var(--ink-3)}
.contact-line.light .value{color:var(--ink)}
.contact-line.light .copy-btn{color:var(--brand);border-color:var(--line-strong)}
.contact-line.light .copy-btn:hover{background:var(--brand-tint)}
.contact-line.light .copy-btn.is-done{color:var(--ok);border-color:var(--ok)}

/* Products page */
.product-detail{padding-block:clamp(40px,6vw,64px);border-bottom:1px solid var(--line);scroll-margin-top:90px}
.product-detail:last-of-type{border-bottom:0}
.product-detail .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:860px){.product-detail .container{grid-template-columns:1fr}}
.product-text{display:grid;gap:16px}
.product-text h2{font-size:clamp(24px,3vw,32px)}
.product-text p{color:var(--ink-2)}
.product-text .cta{margin-top:6px}
.product-text h4{font-family:var(--font-mono);font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:4px}
.product-media{display:grid;gap:16px}
.product-media .pic{aspect-ratio:16/10;border-radius:var(--radius);border:1px solid var(--line)}
.spec-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 14px;min-width:0}
.spec-card+.spec-card{margin-top:0}
.spec-card-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline;margin-bottom:10px}
.spec-card-head .note{font-size:12.5px;color:var(--ink-3)}
.table-wrap{overflow-x:auto}
table.grid{width:100%;border-collapse:collapse;font-size:14px;min-width:300px}
table.grid th,table.grid td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:center;font-variant-numeric:tabular-nums;white-space:nowrap}
table.grid thead th{font-family:var(--font-mono);font-weight:500;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--line-strong)}
table.grid tbody th{text-align:left;font-weight:500;color:var(--ink-2);padding-left:0}
table.grid td{font-family:var(--font-mono);font-size:13.5px}
table.grid tr.total th,table.grid tr.total td{font-weight:600;color:var(--ink)}
table.grid tbody tr:last-child th,table.grid tbody tr:last-child td{border-bottom:0}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th{text-align:left;font-weight:500;color:var(--ink-3);padding:10px 12px 10px 0;border-bottom:1px solid var(--line);width:36%;vertical-align:top}
.spec td{padding:10px 0;border-bottom:1px solid var(--line);font-family:var(--font-mono);font-size:13.5px;color:var(--ink);vertical-align:top}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* About page */
.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:860px){.two-col{grid-template-columns:1fr}}
.two-col .text{display:grid;gap:18px}
.two-col .text p{color:var(--ink-2)}
.founder{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:clamp(22px,3vw,34px);display:grid;gap:16px}
.founder blockquote{margin:0;font-family:var(--font-display);font-size:clamp(18px,2vw,22px);font-weight:500;line-height:1.5;color:var(--ink)}
.founder cite{font-style:normal;font-size:14px;color:var(--ink-3)}
.founder cite strong{color:var(--ink);font-weight:600}
.client-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;padding:0;list-style:none}
.client-list li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-size:15px;color:var(--ink-2)}
.timeline{display:grid;padding:0;list-style:none}
.timeline li{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.timeline .k{font-family:var(--font-mono);font-size:13px;color:var(--sheen-b);padding-top:3px}
.timeline p{color:var(--ink-2);font-size:15.5px}
@media (max-width:520px){.timeline li{grid-template-columns:1fr;gap:6px}}
.group-list{display:grid;gap:12px;padding:0;list-style:none}
.group-list li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:grid;gap:3px}
.group-list strong{font-family:var(--font-display);font-size:15.5px}
.group-list span{font-size:14px;color:var(--ink-3)}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info{display:grid;gap:24px}
.contact-info .contact-lines{gap:12px}
.hours{font-size:15px;color:var(--ink-2)}
.site-list{display:grid;gap:14px;padding:0;list-style:none}
.site-list li{display:grid;gap:4px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.site-list strong{font-family:var(--font-display);font-size:15.5px}
.site-list .role{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--sheen-b)}
.site-list span{font-size:14.5px;color:var(--ink-2)}
.site-list .tel{font-family:var(--font-mono);font-size:13.5px;color:var(--ink)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3vw,32px);display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.form-row{grid-template-columns:1fr}}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13.5px;font-weight:500;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:15.5px;padding:11px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;color:var(--ink)}
.field textarea{min-height:140px;resize:vertical}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.form-note{font-size:13px;color:var(--ink-3)}

/* Footer */
.site-footer{background:var(--brand-deep);color:rgba(233,238,244,.78);padding-block:52px 28px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1.1fr 1.1fr 1.3fr 1fr;gap:32px}
@media (max-width:1100px){.footer-grid{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:var(--gold);margin-bottom:12px;text-transform:uppercase;font-size:12px;letter-spacing:.12em;font-family:var(--font-mono);font-weight:500}
.footer-grid ul{list-style:none;padding:0;display:grid;gap:8px}
.footer-grid a{color:rgba(233,238,244,.85);text-decoration:none}
.footer-grid a:hover{color:var(--gold)}
.footer-logo{height:84px;width:auto;margin-bottom:14px}
.footer-grid .about-text{max-width:36ch;color:rgba(233,238,244,.65)}
.footer-grid .addr{color:rgba(233,238,244,.7)}
.footer-grid .addr .tel{color:rgba(233,238,244,.9)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-family:var(--font-mono);font-size:12.5px;color:rgba(233,238,244,.55)}

/* ---------- Product pages ---------- */
.crumbs{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-3);margin-bottom:16px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.page-hero .hero-ctas{margin-top:28px}
.product-page .product-text h2{font-size:clamp(20px,2.2vw,24px);margin-top:14px}
.product-page .product-text h2:first-child{margin-top:0}
.shot-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.shot-row .pic{aspect-ratio:4/3;border-radius:var(--radius)}
.shot-row figcaption{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-3);margin-top:8px}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:18px;align-items:start}
table.grid tr.mil th,table.grid tr.mil td{color:var(--ink-3);font-weight:400}
table.glance th,table.glance td{text-align:left;white-space:normal;padding-left:0;padding-right:16px}
table.glance tbody th a{color:var(--brand);font-weight:600;text-decoration:none}
table.glance tbody th a:hover{text-decoration:underline}
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 44px}
@media (max-width:760px){.faq{grid-template-columns:1fr}}
.faq-item{border-top:2px solid var(--line);padding-top:16px;display:grid;gap:8px;align-content:start}
.faq-item h3{font-size:17px}
.faq-item p{font-size:15.5px;color:var(--ink-2)}

/* ---------- Image treatments ----------
   Film rolls: cut-outs under a studio spotlight on deep navy, standing on a gold hairline.
   Finished packaging and transfer sheets: cut-outs on warm ivory, like a showcase.
   Factory photos: one shared grade so mixed sources read as a set. */
.pic{background:radial-gradient(ellipse 85% 78% at 50% 40%,#4A6681 0%,#1C3148 58%,#0D1A29 100%)}
.pic::after{content:"";position:absolute;left:14%;right:14%;bottom:10%;height:1px;background:linear-gradient(90deg,rgba(201,162,78,0),rgba(201,162,78,.6),rgba(201,162,78,0));pointer-events:none}
.pic img{position:relative;z-index:1;filter:drop-shadow(0 14px 16px rgba(0,0,0,.42))}
.product-media .pic{border:0}
.pic.cover::after{display:none}
.pic.cover img{filter:saturate(.8) contrast(1.05)}
.app-tile .pic,.pic.ivory{background:radial-gradient(ellipse 90% 82% at 50% 38%,#FCFAF5 0%,#F1EADC 68%,#E5DAC5 100%)}
.app-tile .pic::after,.pic.ivory::after{display:none}
.app-tile .pic img,.pic.ivory img{filter:drop-shadow(0 10px 12px rgba(70,52,22,.28))}
.pic img.photo{width:100%;height:100%;object-fit:cover;border-radius:4px;filter:saturate(.85);box-shadow:0 8px 18px rgba(70,52,22,.25)}
.gallery figure{position:relative;overflow:hidden;border-radius:var(--radius)}
.gallery img{border:0;border-radius:0;filter:saturate(.7) contrast(1.07) brightness(1.02)}
.gallery figure::before{content:"";position:absolute;inset:0;background:rgba(15,42,68,.14);mix-blend-mode:multiply;pointer-events:none;z-index:1}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;margin:0;padding:26px 12px 10px;color:#fff;letter-spacing:.06em;background:linear-gradient(180deg,rgba(11,22,35,0),rgba(11,22,35,.8))}
.loc img,.banner{border:0;filter:saturate(.72) contrast(1.06) brightness(1.02)}

/* ---------- Language switch + Chinese pages ---------- */
.site-header .container{justify-content:flex-start;gap:20px}
.brand{margin-right:auto}
.lang-switch{font-family:var(--font-mono);font-size:13px;line-height:1;color:rgba(233,238,244,.9);text-decoration:none;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius);padding:9px 11px;white-space:nowrap}
.lang-switch:hover{border-color:var(--gold);color:var(--gold)}
html[lang="zh-CN"]{--font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;--font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;--font-mono:"SF Mono",Menlo,Consolas,"PingFang SC","Microsoft YaHei",monospace}
html[lang="zh-CN"] body{line-height:1.8}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{line-height:1.3;letter-spacing:0}
html[lang="zh-CN"] h1{font-size:clamp(32px,4.6vw,54px)}
html[lang="zh-CN"] .eyebrow{letter-spacing:.2em}
html[lang="zh-CN"] .brand{font-size:19px;letter-spacing:.06em}
html[lang="zh-CN"] .brand small{letter-spacing:.16em}
html[lang="zh-CN"] .value-card .zh{font-size:30px}
.facts{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:clamp(20px,3vw,30px);display:grid;gap:0}
.facts div{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.facts div:last-child{border-bottom:0}
.facts dt,.facts .k{font-family:var(--font-mono);font-size:13px;color:var(--ink-3)}
.facts .v{font-family:var(--font-display);font-weight:600;color:var(--ink)}
.pic-note{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);margin-top:-6px}
.pic img.real{max-width:84%;max-height:78%}
.app-tile .pic.cover img,.shot-row .pic.cover img{filter:saturate(.82) contrast(1.04)}