/* =====================================================================
   site.css — 前台样式（设计稿 V1.2 移植 + 全部内页）
   品牌语言：工业蓝/钢灰 + 深红点缀；移动端优先；零外部依赖
   ===================================================================== */

/* ============ Design Tokens ============ */
:root{
  --navy:#0C2340;
  --steel:#1D4E89;
  --steel-2:#2E6DB4;
  --gray-1:#F4F6F9;
  --gray-2:#E7EBF1;
  --text:#1A2433;
  --muted:#5A6779;
  --red:#C8102E;
  --red-d:#9E0B23;
  --gold:#E8A33D;
  --radius:10px;
  --container:1180px;
  --shadow:0 2px 12px rgba(12,35,64,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:#fff;line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ Top utility bar ============ */
.topbar{background:var(--navy);color:#C9D6E8;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar .contact-brief{display:flex;gap:22px;white-space:nowrap;overflow:hidden}
.lang-switch{display:flex;gap:2px;white-space:nowrap}
.lang-switch a{padding:3px 10px;border-radius:4px;color:#C9D6E8}
.lang-switch a.on{background:var(--steel);color:#fff;font-weight:600}
.lang-switch a:hover{color:#fff}

/* ============ Header ============ */
header.site{background:#fff;border-bottom:1px solid var(--gray-2);position:sticky;top:0;z-index:50}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px;color:var(--navy);letter-spacing:.5px}
.logo .mark{width:40px;height:40px;flex:0 0 40px}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.5px}
nav.main{display:flex;gap:26px;font-size:15px;font-weight:600}
nav.main a{color:var(--navy);padding:6px 2px;border-bottom:2px solid transparent;white-space:nowrap}
nav.main a:hover{color:var(--steel);border-bottom-color:var(--steel)}
nav.main a.hot{color:var(--red)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;font-weight:700;padding:11px 22px;border-radius:var(--radius);border:none;cursor:pointer;font-size:15px;transition:background .2s;font-family:inherit;white-space:nowrap;flex-shrink:0}
.btn:hover{background:var(--red-d)}
.btn.ghost{background:transparent;border:2px solid rgba(255,255,255,.85);color:#fff;padding:9px 20px}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.dark{background:var(--navy)}
.btn.dark:hover{background:var(--steel)}
/* WhatsApp 官方绿：所有指向 wa.me 的按钮统一使用，一眼认出是 WhatsApp */
.btn.wa{background:#25D366;box-shadow:0 2px 10px rgba(37,211,102,.35)}
.btn.wa:hover{background:#1FB855;box-shadow:0 4px 14px rgba(37,211,102,.45)}
.btn .wa-ico{width:18px;height:18px}

/* narrow desktop: tighten header before collapsing to drawer */
@media (max-width:1240px) and (min-width:1021px){
  header.site .container{gap:14px}
  header.site .btn{padding:10px 14px;font-size:14px}
  nav.main{gap:14px;font-size:14px}
}

/* mobile nav toggle */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--navy);border-radius:2px;transition:.25s}

/* ============ Breadcrumbs ============ */
.crumbs{background:var(--gray-1);border-bottom:1px solid var(--gray-2);font-size:13px}
.crumbs .container{display:flex;flex-wrap:wrap;gap:8px;padding-top:9px;padding-bottom:9px;color:var(--muted)}
.crumbs a{color:var(--steel)}
.crumbs a:hover{text-decoration:underline}
.crumbs b{color:var(--text)}

/* ============ Hero ============ */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero .container{position:relative;max-width:960px;padding-top:80px;padding-bottom:80px}
.hero h1{font-size:42px;line-height:1.18;font-weight:800;letter-spacing:-.3px}
.hero h1 em{font-style:normal;color:#9ECBFF}
.hero .kicker{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:5px 14px;border-radius:999px;font-size:13.5px;font-weight:600;letter-spacing:1px;margin-bottom:18px}
.hero p.sub{font-size:17px;color:#D8E4F3;margin:18px 0 26px;max-width:580px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero .trust-mini{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero .trust-mini div{border-left:2px solid rgba(255,255,255,.35);padding-left:14px}
.hero .trust-mini b{display:block;font-size:24px;color:#fff}
.hero .trust-mini span{font-size:12.5px;color:#BCD0E8;letter-spacing:.4px}

/* photo boxes */
.ph{position:relative;overflow:hidden;background:var(--gray-1)}
.ph img{width:100%;height:100%;object-fit:cover;display:block}

/* ============ Section commons ============ */
section{padding:72px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head h2{font-size:32px;color:var(--navy);font-weight:800;letter-spacing:-.3px}
.sec-head h2 span{color:var(--red)}
.sec-head p{color:var(--muted);margin-top:10px;font-size:16px}
.sec-tag{display:inline-block;color:var(--steel);font-weight:700;font-size:13px;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:10px}

/* ============ Coatings ============ */
#coatings{background:var(--gray-1)}
.coat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.coat-card{display:block;color:inherit;background:#fff;border:1px solid var(--gray-2);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s}
.coat-card:hover{transform:translateY(-6px)}
.coat-card:hover h3{color:var(--steel)}
.coat-card .ph{height:170px}
.coat-card .body{padding:22px 24px}
.coat-card h3{color:var(--navy);font-size:20px;font-weight:800;margin-bottom:8px}
.coat-card p{color:var(--muted);font-size:14.5px}
.coat-card .std{display:inline-block;margin-top:14px;background:var(--gray-1);border:1px solid var(--gray-2);color:var(--steel);font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:5px}

/* ============ Products ============ */
.featured-prod{display:grid;grid-template-columns:1.1fr .9fr;background:#fff;border:1px solid var(--gray-2);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:36px}
.featured-prod .ph{min-height:330px}
.featured-prod .body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center}
.featured-prod h3{font-size:26px;color:var(--navy);font-weight:800}
.featured-prod p{color:var(--muted);margin:10px 0 6px;font-size:15px}
.spec-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 22px}
.spec-chips span{background:var(--gray-1);border:1px solid var(--gray-2);color:var(--steel);font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:6px}
.prod-note{text-align:center;margin-top:28px;color:var(--muted);font-size:14.5px}
.prod-note a{color:var(--steel);font-weight:700}
.prod-note a:hover{text-decoration:underline}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{display:block;color:inherit;border:1px solid var(--gray-2);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column}
.prod-card:hover{box-shadow:0 8px 24px rgba(12,35,64,.14);transform:translateY(-4px)}
.prod-card:hover h3{color:var(--steel)}
.prod-card .ph{height:180px}
.prod-card .ph img{transition:transform .35s}
.prod-card:hover .ph img{transform:scale(1.06)}
.prod-card .body{padding:18px 20px;flex:1}
.prod-card h3{font-size:17.5px;color:var(--navy);font-weight:700}
.prod-card h3 a:hover{color:var(--steel)}
.prod-card p{font-size:13.5px;color:var(--muted);margin-top:6px}
.prod-card a.more{display:inline-block;margin-top:12px;color:var(--red);font-weight:700;font-size:14px}
.prod-card a.more:hover{text-decoration:underline}

/* category quick-nav pills (products index) */
.cat-pills-wrap{background:var(--gray-1);border-bottom:1px solid var(--gray-2)}
.cat-pills{display:flex;gap:10px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.cat-pills a{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--gray-2);border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--navy);transition:.2s}
.cat-pills a:hover{border-color:var(--steel);color:var(--steel)}
.cat-pills a small{background:var(--gray-1);border-radius:999px;padding:1px 8px;font-size:11.5px;color:var(--muted)}
.cat-block{scroll-margin-top:100px}

/* category blocks on products index */
.cat-block{margin-bottom:38px}
.cat-block h2{font-size:24px;color:var(--navy);font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:12px}
.cat-block h2::before{content:"";width:6px;height:26px;background:var(--red);border-radius:3px}

/* ============ Strength ============ */
#strength{background:var(--navy);color:#fff}
#strength .sec-head h2{color:#fff}
#strength .sec-head p{color:#B9C9DD}
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:46px}
.num-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:26px 20px;text-align:center}
.num-box b{display:block;font-size:38px;font-weight:800;color:#9ECBFF}
.num-box span{font-size:13.5px;color:#B9C9DD}
.factory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.factory-grid .ph{height:220px;border-radius:var(--radius)}

/* ============ Certifications (home cards) ============ */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cert-card{border:1px dashed var(--gray-2);border-radius:var(--radius);padding:26px 20px;text-align:center;background:#fff}
.cert-card .icon{width:56px;height:56px;margin:0 auto 14px}
.cert-card h3{font-size:16px;color:var(--navy);font-weight:700}
.cert-card p{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ Case (home) ============ */
#case{background:var(--gray-1)}
.case-wrap{display:grid;grid-template-columns:1.2fr 1fr;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.case-wrap .ph{position:relative;min-height:320px}
.case-body{padding:38px 40px}
.case-body h3{font-size:24px;color:var(--navy);font-weight:800}
.case-body ul{margin:18px 0 24px}
.case-body li{padding:7px 0 7px 28px;position:relative;color:var(--muted);font-size:15px}
.case-body li::before{content:"";position:absolute;left:0;top:13px;width:16px;height:16px;border-radius:50%;background:var(--steel)}
.case-body li b{color:var(--text)}

/* ============ News ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{border:1px solid var(--gray-2);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column;color:inherit}
a.news-card{text-decoration:none}
a.news-card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(12,35,64,.14)}
a.news-card h3 a{text-decoration:none}
.news-card:hover{box-shadow:0 8px 22px rgba(12,35,64,.12)}
.news-card .ph{height:150px}
.news-card .body{padding:18px 20px;flex:1}
.news-card time{font-size:12.5px;color:var(--muted);letter-spacing:.5px}
.news-card h3{font-size:16.5px;color:var(--navy);font-weight:700;margin:8px 0;line-height:1.4}
.news-card h3 a:hover{color:var(--steel)}
.news-card p{font-size:13.5px;color:var(--muted)}

/* ============ Inquiry band ============ */
#inquiry{position:relative;background:#fff;overflow:hidden}
#inquiry .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#inquiry .frost{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.95),rgba(255,255,255,.82))}
#inquiry .container{position:relative;padding-top:70px;padding-bottom:70px}
.cta-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cta-wrap h2{font-size:32px;font-weight:800;line-height:1.25;color:var(--navy)}
.cta-wrap p{margin:14px 0 20px;color:var(--muted);font-size:16px}
.trust-list{margin:0 0 28px}
.trust-list li{position:relative;padding:7px 0 7px 32px;color:var(--text);font-size:15px;font-weight:600}
.trust-list li::before{content:"✓";position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;background:#EAF3DE;border:1.5px solid #639922;color:#4E7A19;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.quote-form{background:#fff;border-radius:12px;padding:26px 28px;color:var(--text);box-shadow:0 10px 34px rgba(12,35,64,.18);border:1px solid var(--gray-2)}
.quote-form h3{font-size:18px;color:var(--navy);font-weight:800;margin-bottom:4px}
.quote-form small{color:var(--muted);font-size:12.5px}
.quote-form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.quote-form input,.quote-form textarea,.quote-form select{width:100%;padding:10px 12px;border:1px solid var(--gray-2);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text);background:#FBFCFE}
.quote-form input:focus,.quote-form textarea:focus{outline:2px solid var(--steel-2);border-color:var(--steel-2)}
.quote-form .full{grid-column:1/-1}
.quote-form textarea.full{margin-top:14px}
.quote-form .btn{width:100%;justify-content:center;margin-top:16px;font-size:15px}
.quote-form .priv{font-size:11.5px;color:var(--muted);margin-top:10px;text-align:center}
.quote-form .hp{position:absolute;left:-9999px;height:0;width:0;opacity:0}
.quote-form .ok-msg{color:#1D9E75;font-weight:700;margin-top:12px;text-align:center}
.quote-form.sending .btn{opacity:.6;pointer-events:none}

/* ============ Footer ============ */
footer.site{background:#091829;color:#8FA3BC;font-size:14px}
footer.site .container{padding-top:56px;padding-bottom:30px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid #1B2E45}
.foot-grid h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
.foot-grid li{padding:5px 0}
.foot-grid a:hover{color:#9ECBFF}
.foot-contact li{padding:6px 0}
.copy{padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#5F7290}
.copy a{color:#5F7290}
.copy a:hover{color:#9ECBFF}

/* ============ Floating WhatsApp ============ */
.wa-float{position:fixed;right:20px;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px;background:#25D366;color:#fff;padding:13px 20px;border-radius:999px;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.wa-float svg{width:24px;height:24px}
.wa-float:hover{background:#1FB858}

/* =====================================================================
   内页通用
   ===================================================================== */

/* ============ Page head (list pages) ============ */
.page-head{background:var(--navy);color:#fff;padding:52px 0}
.page-head h1{font-size:34px;font-weight:800}
.page-head p{color:#BCD0E8;margin-top:8px;font-size:15.5px;max-width:640px}

/* ============ CTA band (list pages bottom) ============ */
.cta-band{background:var(--navy);color:#fff;padding:48px 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta-band h2{font-size:26px;font-weight:800;color:#fff}

/* ============ Article (news detail) ============ */
.article{padding:64px 0}
.article .narrow{max-width:820px}
.article time{color:var(--muted);font-size:13.5px;letter-spacing:.5px}
.article h1{font-size:33px;color:var(--navy);font-weight:800;line-height:1.25;margin:10px 0 22px}
/* article cover: fixed 16:9 display box, whatever the stored file's shape */
.article-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin-bottom:28px;box-shadow:var(--shadow);background:var(--gray-1)}
.article-cta{margin-top:36px;background:var(--gray-1);border:1px solid var(--gray-2);border-radius:12px;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.article-cta p{color:var(--navy);font-weight:700;font-size:16px}

/* rich text (admin-entered HTML) */
.rich{font-size:16.5px;color:var(--text)}
.rich h2{font-size:25px;color:var(--navy);margin:30px 0 12px;font-weight:800}
.rich h3{font-size:20px;color:var(--navy);margin:24px 0 10px;font-weight:700}
.rich p{margin:12px 0}
.rich ul,.rich ol{margin:14px 0 14px 26px;list-style:revert}
.rich li{margin:6px 0;color:var(--muted)}
.rich b,.rich strong{color:var(--navy)}
.rich a{color:var(--steel);font-weight:600}
.rich a:hover{text-decoration:underline}
/* body images: fixed 16:10 display box (slightly larger than the cover's ratio,
   still predictable) — pairs with server-side 1280×800 crop on upload */
.rich img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;margin:18px 0;background:var(--gray-1)}
.rich table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.rich th,.rich td{border:1px solid var(--gray-2);padding:8px 12px;text-align:left}
.rich th{background:var(--gray-1);color:var(--navy)}

/* ============ Product detail ============ */
.prod-hero{padding:56px 0;background:var(--gray-1)}
.prod-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.prod-hero .ph{height:380px;border-radius:12px;box-shadow:var(--shadow)}
.prod-hero-body h1{font-size:34px;color:var(--navy);font-weight:800;line-height:1.2}
.prod-hero-body .lead{color:var(--muted);font-size:16.5px;margin:14px 0 20px}

/* gallery (multi-image carousel + hover zoom) */
.gallery{display:flex;flex-direction:column;gap:12px}
.g-main{aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow);cursor:zoom-in}
.g-main img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;will-change:transform}
.g-main.zoom img{transform:scale(1.9)}
.g-thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.g-thumb{aspect-ratio:1;border-radius:8px;overflow:hidden;border:2px solid var(--gray-2);padding:0;background:none;cursor:pointer;transition:border-color .2s}
.g-thumb:hover{border-color:var(--steel-2)}
.g-thumb.on{border-color:var(--red)}
.g-thumb img{width:100%;height:100%;object-fit:cover}

/* key specs chips under hero title */
.key-specs{margin:0 0 22px;border:1px solid var(--gray-2);border-radius:10px;overflow:hidden;background:#fff}
.key-specs li{display:flex;justify-content:space-between;gap:16px;padding:9px 16px;border-bottom:1px solid var(--gray-1);font-size:14px}
.key-specs li:last-child{border-bottom:none}
.key-specs li span{color:var(--muted)}
.key-specs li b{color:var(--navy);text-align:right}
.p-trust{margin-top:22px}
.p-trust li{position:relative;padding:5px 0 5px 28px;color:var(--muted);font-size:14px;font-weight:600}
.p-trust li::before{content:"✓";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;background:#EAF3DE;border:1.5px solid #639922;color:#4E7A19;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center}

/* services strip under hero */
.svc-band{border-bottom:1px solid var(--gray-1);background:#fff}
.svc-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0}
.svc b{display:block;color:var(--red);font-size:12.5px;letter-spacing:1.5px;margin-bottom:3px}
.svc span{font-weight:700;color:var(--navy);font-size:14.5px;line-height:1.45}

/* FAQ (product detail) */
.faq-section{background:var(--gray-1);padding:64px 0}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--gray-2);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 48px 16px 20px;font-weight:700;color:var(--navy);list-style:none;position:relative;font-size:15.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--red);font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-a{padding:0 20px 18px;color:var(--muted);font-size:14.5px}

.content-section{padding:64px 0}
.content-grid{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.spec-box{background:#fff;border:1px solid var(--gray-2);border-radius:12px;padding:22px 24px;position:sticky;top:96px}
.spec-box h3{font-size:16px;color:var(--navy);font-weight:800;margin-bottom:12px}
.spec-box table{width:100%;border-collapse:collapse;font-size:14px}
.spec-box th{color:var(--muted);font-weight:600;text-align:left;padding:7px 0;width:44%;border-bottom:1px solid var(--gray-1);vertical-align:top}
.spec-box td{color:var(--text);font-weight:600;padding:7px 0;border-bottom:1px solid var(--gray-1)}

/* ============ Cases listing ============ */
.case-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-row{display:flex;flex-direction:column;background:#fff;border:1px solid var(--gray-2);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.case-row:hover{transform:translateY(-5px);box-shadow:0 10px 26px rgba(12,35,64,.16)}
.case-row .ph{height:230px}
.case-row-body{padding:18px 22px}
.case-row-body .country{display:inline-block;background:var(--gray-1);color:var(--steel);font-size:12px;font-weight:700;padding:3px 12px;border-radius:20px;margin-bottom:8px;letter-spacing:.5px}
.case-row-body h3{font-size:19px;color:var(--navy);font-weight:700;line-height:1.35}
.country-tag{display:inline-block;background:var(--gray-1);color:var(--steel);font-size:12px;font-weight:700;padding:3px 12px;border-radius:20px}

/* ============ Certificates page ============ */
.cert-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cert-detail{display:grid;grid-template-columns:200px 1fr;gap:22px;background:#fff;border:1px solid var(--gray-2);border-radius:12px;padding:22px;box-shadow:var(--shadow)}
.cert-scan img{width:100%;border:1px solid var(--gray-2);border-radius:8px;background:var(--gray-1)}
.cert-info h3{font-size:20px;color:var(--navy);font-weight:800}
.cert-info ul{margin:12px 0 18px}
.cert-info li{padding:5px 0;color:var(--muted);font-size:14.5px}
.cert-info li b{color:var(--text)}

/* ============ Responsive ============ */
@media (max-width:1020px){
  .hero .container{padding-top:44px;padding-bottom:48px}
  .coat-grid{grid-template-columns:1fr 1fr}
  .prod-grid{grid-template-columns:1fr 1fr}
  .factory-grid{grid-template-columns:1fr 1fr}
  .cert-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .case-wrap{grid-template-columns:1fr}
  .featured-prod{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr}
  .num-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.main{display:none}
  .nav-toggle{display:flex}
  .prod-hero-grid{grid-template-columns:1fr}
  .content-grid{grid-template-columns:1fr}
  .spec-box{position:static}
  .svc-strip{grid-template-columns:1fr 1fr}
  .g-thumbs{grid-template-columns:repeat(5,1fr)}
  .case-list{grid-template-columns:1fr}
  .cert-list{grid-template-columns:1fr}
  .cert-detail{grid-template-columns:1fr}
}
@media (max-width:640px){
  .topbar .container{justify-content:center}
  .topbar .contact-brief{display:none}
  .hero h1{font-size:29px}
  .hero p.sub{font-size:15px}
  .hero .trust-mini b{font-size:20px}
  .coat-grid{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr}
  .factory-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .num-box b{font-size:30px}
  .quote-form .row{grid-template-columns:1fr}
  .wa-float span{display:none}
  .wa-float{padding:14px}
  section{padding:54px 0}
  .sec-head h2{font-size:26px}
  .page-head h1{font-size:27px}
  .article h1{font-size:26px}
  .prod-hero .ph{height:240px}
  .prod-hero-body h1{font-size:27px}
}

/* mobile nav drawer */
@media (max-width:1020px){
  header.site .container{position:relative}
  nav.main{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    padding:10px 24px 18px;gap:2px;border-bottom:1px solid var(--gray-2);box-shadow:0 16px 30px rgba(12,35,64,.12);
    max-height:0;overflow:hidden;transition:max-height .3s}
  nav.main.open{max-height:480px}
  nav.main a{padding:11px 2px;border-bottom:1px solid var(--gray-1)}
}