/* ============ Xinyada Industrial — Global Stylesheet ============ */
:root{
  --brand:#0d3b66;
  --brand-dark:#082848;
  --accent:#f4a261;
  --accent-dark:#e76f51;
  --text:#1f2937;
  --muted:#6b7280;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --border:#e5e7eb;
  --shadow:0 6px 24px rgba(13,59,102,.08);
  --radius:10px;
  --maxw:1200px;
  --header-h:80px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI','Helvetica Neue','PingFang SC','Microsoft YaHei',sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent-dark)}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ============ i18n language toggle ============ */
body.lang-en .lang-zh{display:none}
body.lang-zh .lang-en{display:none}
.lang-switch{
  display:inline-flex;align-items:center;background:#f3f5f9;
  border-radius:999px;padding:3px;font-size:12px;
  border:1px solid var(--border);
}
.lang-switch button{
  border:none;background:transparent;padding:6px 14px;cursor:pointer;
  color:var(--muted);font-weight:600;border-radius:999px;transition:.15s;
  font-size:12px;letter-spacing:.02em;
}
.lang-switch button:hover{color:var(--brand-dark)}
.lang-switch button.active{background:var(--brand);color:#fff;box-shadow:0 1px 4px rgba(13,59,102,.2)}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--brand);font-size:20px;text-decoration:none}
.logo img{height:52px;width:auto;display:block}
.logo-mark{
  width:36px;height:36px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-weight:800;
}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:var(--text);font-weight:500;font-size:15px;position:relative;padding:6px 0}
.nav-links a.active,.nav-links a:hover{color:var(--brand)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
}
.nav-cta{display:flex;align-items:center;gap:14px}
.lang{font-size:13px;color:var(--muted)}
.btn{
  display:inline-block;padding:10px 18px;border-radius:8px;font-weight:600;font-size:14px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  cursor:pointer;border:none;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#1a1a1a}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:#fff}
.menu-toggle{display:none;border:none;background:transparent;font-size:24px;cursor:pointer;color:var(--brand)}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;
  background:
    linear-gradient(120deg,rgba(8,40,72,.92),rgba(13,59,102,.78)),
    url("../assets/hero.svg") center/cover no-repeat;
  padding:90px 0 110px;
}
.hero h1{font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.2;margin-bottom:18px;max-width:760px}
.hero .lead{font-size:clamp(15px,1.6vw,18px);color:#e7eef7;max-width:680px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.kpis{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  max-width:var(--maxw);margin:-50px auto 0;padding:0 24px;
  position:relative;z-index:2;
}
.kpi{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:22px 20px;text-align:center;
}
.kpi .num{color:var(--brand);font-size:28px;font-weight:800}
.kpi .lbl{color:var(--muted);font-size:13px;margin-top:4px}

/* ============ Sections ============ */
section{padding:80px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title .eyebrow{color:var(--accent-dark);font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.section-title h2{font-size:clamp(24px,3vw,34px);margin-top:8px;color:var(--brand-dark)}
.section-title p{color:var(--muted);max-width:680px;margin:12px auto 0}

.bg-soft{background:var(--bg-soft)}

/* ============ Cards / Grid ============ */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:4/3;background:#eef2f7;display:grid;place-items:center;color:#a3b3c7;font-size:14px;overflow:hidden}
.card .thumb svg,.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:20px}
.card h3{font-size:17px;color:var(--brand-dark);margin-bottom:8px}
.card p{color:var(--muted);font-size:14px;margin-bottom:14px}
.card .more{font-weight:600;font-size:14px;color:var(--brand)}
.card .more::after{content:" \2192";transition:margin .2s}
.card:hover .more::after{margin-left:6px}

/* Product card v3 — entire card is now an <a> link */
a.card.product-card{display:block;color:inherit;text-decoration:none;cursor:pointer}
a.card.product-card:hover{color:inherit;text-decoration:none}
.product-card .prod-meta{font-size:13px;color:var(--brand-dark);font-weight:600;margin-bottom:8px;line-height:1.4}
.product-card .prod-brief{color:var(--muted);font-size:14px;margin:0;line-height:1.55}
a.card.product-card:hover h3{color:var(--accent-dark)}
.product-card template{display:none}

/* Product Detail Page (separate page) */
.detail-breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.detail-breadcrumb a{color:var(--brand);text-decoration:none}
.detail-breadcrumb a:hover{text-decoration:underline}
.detail-breadcrumb .sep{margin:0 8px;color:var(--border)}
.detail-breadcrumb .current{color:var(--brand-dark);font-weight:500}
.detail-page{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.detail-page-top{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;padding:32px}
.detail-page-img{aspect-ratio:4/3;background:#eef2f7;border-radius:8px;overflow:hidden}
.detail-page-img img{width:100%;height:100%;object-fit:cover;display:block}
.detail-page-info h1{font-size:26px;color:var(--brand-dark);margin-bottom:8px;line-height:1.3}
.detail-page-info .detail-meta{font-size:14px;color:var(--brand-dark);font-weight:600;margin-bottom:12px}
.detail-page-info .detail-brief{color:var(--muted);font-size:15px;line-height:1.6;margin-bottom:22px}
.detail-page-actions{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.detail-page-actions .btn-video{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#1a1a1a;padding:11px 18px;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;border:none;transition:.15s}
.detail-page-actions .btn-video:hover{background:var(--accent-dark);color:#fff}
.detail-page-actions .btn-inquire{display:inline-block;background:var(--brand-dark);color:#fff;padding:11px 22px;border-radius:6px;font-weight:600;font-size:14px;text-decoration:none;transition:.15s}
.detail-page-actions .btn-inquire:hover{background:var(--brand)}
.detail-page-quick-contact{padding-top:18px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);line-height:2}
.detail-page-quick-contact p{margin:0}
.detail-page-quick-contact .ico{display:inline-block;width:22px;margin-right:4px}
.detail-page-specs{padding:0 32px 28px;border-top:1px solid var(--border)}
.detail-page-specs h2{font-size:18px;color:var(--brand-dark);margin:24px 0 14px}
.detail-page-specs .spec-list{list-style:none;margin:0;padding:0}
.detail-page-specs .spec-list li{padding:11px 0;border-bottom:1px solid var(--border);font-size:14px;line-height:1.55;color:var(--brand-dark)}
.detail-page-specs .spec-list li:last-child{border-bottom:0}
.detail-page-specs .spec-list strong{font-weight:600;display:inline-block;min-width:120px}
.detail-page-cta{background:var(--bg-soft);padding:28px 32px;text-align:center}
.detail-page-cta h3{color:var(--brand-dark);font-size:20px;margin-bottom:8px}
.detail-page-cta p{color:var(--muted);font-size:14px;line-height:1.6;margin-bottom:18px;max-width:560px;margin-left:auto;margin-right:auto}
@media (max-width:760px){
  .detail-page{margin-left:-24px;margin-right:-24px;border-radius:0;border-left:0;border-right:0}
  .detail-page-top{grid-template-columns:1fr;padding:14px;gap:16px}
  .detail-page-specs{padding:0 14px 22px}
  .detail-page-cta{padding:22px 14px}
  .detail-page-specs .spec-list strong{display:block;min-width:0;margin-bottom:2px}
  .detail-page-img{border-radius:6px}
}

/* Product detail modal (legacy — kept for backward compat) */
.detail-modal{position:fixed;inset:0;background:rgba(15,30,55,.7);z-index:200;display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
.detail-modal.open{display:flex}
.detail-modal-body{background:#fff;border-radius:var(--radius);max-width:1100px;width:100%;position:relative;box-shadow:0 30px 80px rgba(0,0,0,.3);margin:auto}
.detail-modal-close{position:absolute;top:14px;right:16px;background:transparent;border:none;color:var(--brand-dark);font-size:32px;cursor:pointer;line-height:1;padding:4px 12px;z-index:1}
.detail-modal-close:hover{color:var(--accent)}
.detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:0}
.detail-main{padding:32px 36px}
.detail-img-wrap{aspect-ratio:16/10;background:#eef2f7;border-radius:8px;overflow:hidden;margin-bottom:20px}
.detail-img-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.detail-title{font-size:24px;color:var(--brand-dark);margin-bottom:6px}
.detail-meta{font-size:14px;color:var(--accent-dark);font-weight:600;margin-bottom:14px}
.detail-brief{color:var(--muted);font-size:15px;line-height:1.6;margin-bottom:18px}
.detail-content{margin-bottom:20px}
.detail-content .spec-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--border)}
.detail-content .spec-list li{padding:11px 4px;border-bottom:1px solid var(--border);font-size:14px;line-height:1.55;color:var(--brand-dark)}
.detail-content .spec-list li strong{color:var(--brand-dark);margin-right:8px;font-weight:600}
.detail-actions{display:flex;gap:10px}
.detail-actions .btn-video{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#1a1a1a;padding:10px 18px;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;border:none;transition:.15s}
.detail-actions .btn-video:hover{background:var(--accent-dark);color:#fff}
.detail-sidebar{background:linear-gradient(135deg,var(--brand-dark) 0%,#1a4970 100%);color:#fff;padding:32px 28px;display:flex;flex-direction:column;border-radius:0 var(--radius) var(--radius) 0}
.detail-sidebar h3{color:#fff;font-size:18px;margin-bottom:8px}
.detail-sidebar > p{color:rgba(255,255,255,.8);font-size:14px;line-height:1.6;margin-bottom:18px}
.btn-detail-cta{display:inline-block;background:var(--accent);color:#1a1a1a;padding:14px 20px;border-radius:6px;font-weight:600;font-size:14px;text-decoration:none;text-align:center;margin-bottom:24px;transition:.15s}
.btn-detail-cta:hover{background:#fff;color:var(--brand-dark)}
.detail-contact{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);font-size:13px;line-height:1.9;color:rgba(255,255,255,.85)}
.detail-contact p{margin:0 0 4px;color:rgba(255,255,255,.85)}
.detail-contact .ico{display:inline-block;width:20px;margin-right:4px}
@media (max-width:760px){
  .detail-grid{grid-template-columns:1fr}
  .detail-main{padding:24px}
  .detail-sidebar{border-radius:0 0 var(--radius) var(--radius);padding:24px}
  .detail-modal{padding:0}
  .detail-modal-body{border-radius:0;min-height:100vh}
}

/* features */
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#1d5b96);color:#fff;
  display:grid;place-items:center;font-size:20px;
}
.feature h3{font-size:17px;color:var(--brand-dark);margin-bottom:6px}
.feature p{color:var(--muted);font-size:14px}

/* ============ About Page ============ */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.about-grid h2{font-size:30px;color:var(--brand-dark);margin-bottom:16px}
.about-grid p{color:var(--muted);margin-bottom:14px}
.about-img{aspect-ratio:5/4;background:#eef2f7;border-radius:var(--radius);overflow:hidden}

/* ============ Catalog sidebar layout ============ */
.catalog-section{padding:48px 0 64px}
.products-layout{display:grid;grid-template-columns:220px 1fr;gap:36px}
.products-sidebar{position:relative;height:100%}
.sidebar-sticky{position:sticky;top:84px;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:18px 14px;max-height:calc(100vh - 100px);overflow-y:auto}
.sidebar-title{font-size:16px;font-weight:600;color:var(--brand-dark);margin-bottom:14px;padding:6px 8px 12px;border-bottom:1px solid var(--border);line-height:1.3}
.sidebar-nav{list-style:none;margin:0;padding:0}
.sidebar-nav li{margin:0}
.sidebar-nav a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;color:var(--brand-dark);font-size:14px;font-weight:500;text-decoration:none;border-radius:6px;border-left:3px solid transparent;transition:.15s;margin-bottom:2px;line-height:1.35}
.sidebar-nav a:hover{background:rgba(13,59,102,.06)}
.sidebar-nav a.active{background:rgba(255,167,38,.14);border-left-color:var(--accent);color:var(--accent-dark);font-weight:600}
.sidebar-nav a.sidebar-all{font-weight:600;color:var(--brand-dark)}
.sidebar-nav a.sidebar-all.active{background:var(--brand-dark);color:#fff;border-left-color:var(--accent)}
.sidebar-label{flex:1;min-width:0}
.sidebar-count{flex-shrink:0;font-size:12px;font-weight:600;color:var(--muted);background:rgba(13,59,102,.08);padding:2px 9px;border-radius:999px;min-width:28px;text-align:center;line-height:1.5}
.sidebar-nav a.active .sidebar-count{background:var(--accent);color:#1a1a1a}
.sidebar-nav a.sidebar-all.active .sidebar-count{background:var(--accent);color:#1a1a1a}
.sidebar-divider{height:1px;background:var(--border);margin:8px 6px;list-style:none}
.products-main{min-width:0}
.series-block{scroll-margin-top:90px;margin-bottom:48px}
.series-block:last-child{margin-bottom:0}
.series-header{border-left:4px solid var(--accent);padding-left:16px;margin-bottom:24px}
.series-header h2{font-size:22px;color:var(--brand-dark);margin-bottom:6px}
.series-header p{color:var(--muted);font-size:14px;margin:0}
.mobile-cat-bar{display:none}

@media (max-width:900px){
  .products-layout{grid-template-columns:1fr;gap:0}
  .products-sidebar{display:none}
  .mobile-cat-bar{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:28px}
  .mobile-cat-bar a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 14px;border:1px solid var(--border);border-radius:10px;color:var(--brand-dark);font-size:13px;font-weight:500;text-decoration:none;background:#fff;transition:.15s;line-height:1.3;min-height:44px}
  .mobile-cat-bar a.active,.mobile-cat-bar a:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
  .mobile-cat-bar a[data-all="true"]{grid-column:1 / -1;justify-content:center;font-weight:600;font-size:14px}
  .mobile-cat-bar a[data-all="true"] .mobile-count{margin-left:8px}
  .mobile-count{display:inline-block;font-size:11px;font-weight:600;background:rgba(13,59,102,.1);color:var(--brand-dark);padding:2px 8px;border-radius:999px;min-width:22px;text-align:center;line-height:1.5;flex-shrink:0}
  .mobile-cat-bar a.active .mobile-count,.mobile-cat-bar a:hover .mobile-count{background:var(--accent);color:#1a1a1a}
}

/* ============ CTA banner ============ */
.cta-banner{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;text-align:center;padding:64px 0}
.cta-banner h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px;color:#fff}
.cta-banner p{color:rgba(255,255,255,.85);font-size:15px;margin-bottom:22px;max-width:600px;margin-left:auto;margin-right:auto}

/* ============ Spec table (Process flow) ============ */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.spec-table th{background:var(--bg-soft);color:var(--brand-dark);padding:14px 18px;text-align:left;font-size:14px;font-weight:600;border-bottom:1px solid var(--border)}
.spec-table td{padding:13px 18px;font-size:14px;color:var(--text);border-bottom:1px solid var(--border)}
.spec-table tr:last-child td{border-bottom:0}
.spec-table tr:hover td{background:var(--bg-soft)}

/* ============ Contact page ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.info-list{display:flex;flex-direction:column;gap:18px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ico{width:44px;height:44px;flex:0 0 44px;border-radius:10px;background:var(--bg-soft);display:grid;place-items:center;font-size:20px;border:1px solid var(--border)}
.info-item h4{font-size:14px;color:var(--brand-dark);margin-bottom:4px;font-weight:600}
.info-item p{color:var(--muted);font-size:14px;line-height:1.6;margin:0}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--brand-dark)}
.field input,.field select,.field textarea{
  border:1px solid var(--border);border-radius:6px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--text);
  transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(13,59,102,.1)}
.field textarea{min-height:110px;resize:vertical;line-height:1.5}
.form-note{font-size:12px;color:var(--muted);margin-top:10px;text-align:center}
.form-success{display:none;background:#d1f4dd;border:1px solid #51cf66;color:#0a7f33;padding:12px 16px;border-radius:6px;font-size:14px;margin-top:14px;font-weight:500}

/* ============ Footer ============ */
.site-footer{background:var(--brand-dark);color:#cdd6e0;padding:56px 0 22px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:36px;margin-bottom:36px}
.foot-grid h5{font-size:14px;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.04em}
.foot-grid p{color:#9aa6b3;line-height:1.7;margin-bottom:8px}
.foot-grid a{display:block;color:#cdd6e0;padding:4px 0;text-decoration:none;transition:color .15s}
.foot-grid a:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;color:#9aa6b3;font-size:13px;flex-wrap:wrap;gap:12px}

/* ============ Video modal (lightbox) ============ */
.video-modal{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:200;display:none;align-items:center;justify-content:center;padding:40px}
.video-modal.open{display:flex}
.video-modal-body{position:relative;width:100%;max-width:960px;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.video-modal-body iframe{width:100%;height:100%;border:0;display:block}
.video-modal-close{position:absolute;top:-44px;right:-2px;background:transparent;border:none;color:#fff;font-size:32px;cursor:pointer;line-height:1;padding:4px 12px}
.video-modal-close:hover{color:var(--accent)}
.video-fallback-link{position:absolute;bottom:-32px;right:0;color:rgba(255,255,255,.75);font-size:13px;text-decoration:none;letter-spacing:.02em}
.video-fallback-link:hover{color:#fff;text-decoration:underline}
.btn-video{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#1a1a1a;padding:7px 14px;border-radius:6px;font-weight:600;font-size:13px;cursor:pointer;text-decoration:none;border:none;transition:.15s}
.btn-video:hover{background:var(--accent-dark);color:#fff}

/* Card actions wrapper (for cards with multiple buttons) */
.card-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}

/* ============ Gallery modal (image lightbox) ============ */
.gallery-modal{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:200;display:none;align-items:center;justify-content:center;padding:40px}
.gallery-modal.open{display:flex}
.gallery-modal-body{position:relative;max-width:90vw;max-height:85vh;display:flex;align-items:center;justify-content:center}
.gallery-modal-body img{max-width:90vw;max-height:85vh;border-radius:6px}
.gallery-modal .video-modal-close{top:-44px;right:0}
.gallery-prev,.gallery-next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.15);border:none;color:#fff;font-size:32px;width:48px;height:48px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.gallery-prev:hover,.gallery-next:hover{background:rgba(255,255,255,.3)}
.gallery-prev{left:-70px}
.gallery-next{right:-70px}
.gallery-counter{position:absolute;bottom:-32px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.7);font-size:13px}
.thumb[data-photos]{cursor:pointer;position:relative}
.thumb[data-photos]::after{content:"+1";position:absolute;top:8px;right:8px;background:rgba(13,59,102,.85);color:#fff;font-size:11px;font-weight:600;padding:3px 8px;border-radius:4px;letter-spacing:.05em}

/* ============ Inline video on detail page ============ */
.detail-page-video{padding:0 32px 28px;border-top:1px solid var(--border)}
.detail-page-video h2{font-size:18px;color:var(--brand-dark);margin:24px 0 14px}
.video-embed-wrap{position:relative;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden;margin-bottom:12px}
.video-embed-wrap iframe{width:100%;height:100%;border:0;display:block}
.video-external-link{font-size:13px;color:var(--brand);text-decoration:none}
.video-external-link:hover{text-decoration:underline}

/* ============ Detail page additional photo gallery ============ */
.detail-page-gallery{padding:0 32px 28px;border-top:1px solid var(--border)}
.detail-page-gallery h2{font-size:18px;color:var(--brand-dark);margin:24px 0 14px}
.detail-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:18px;max-width:960px;margin:0 auto;align-items:start}
.detail-gallery-item{display:block;background:#eef2f7;border:1px solid var(--border);border-radius:10px;overflow:hidden;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease}
.detail-gallery-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.detail-gallery-item img{width:100%;height:auto;display:block}
@media (max-width:760px){
  .detail-page-gallery{padding:0 14px 22px}
  .detail-gallery-grid{grid-template-columns:1fr;gap:12px;max-width:none}
  .detail-gallery-item{border-radius:6px}
}

/* ============ Mobile responsive overrides ============ */
@media (max-width:760px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--border);gap:14px}
  .menu-toggle{display:block}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:-30px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .form-row{grid-template-columns:1fr}
  .gallery-prev{left:0}
  .gallery-next{right:0}
  section{padding:48px 0}
  .hero{padding:60px 0 80px}
  .video-modal,.gallery-modal{padding:16px}
  .video-modal-close{top:8px;right:8px;color:#fff;background:rgba(0,0,0,.5);border-radius:50%;width:36px;height:36px;padding:0;display:grid;place-items:center}
  .gallery-modal .video-modal-close{top:8px}
  .video-fallback-link{position:static;display:block;text-align:center;margin-top:8px;color:#fff}
}

/* Click-to-play video thumbnail */
.video-thumb{position:relative;cursor:pointer;width:100%;height:100%;display:block;background:#000;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;display:block;opacity:.8;transition:opacity .2s}
.video-thumb:hover img{opacity:.65}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(13,59,102,.92);color:#fff;border:3px solid #fff;width:84px;height:84px;border-radius:50%;font-size:30px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding-left:6px;transition:.2s;line-height:1}
.video-thumb:hover .video-play-btn{background:var(--accent);transform:translate(-50%,-50%) scale(1.06);color:#1a1a1a}

/* ========= V54 additions ========= */

/* === Spanish language === */
body.lang-en .lang-zh, body.lang-en .lang-es,
body.lang-zh .lang-en, body.lang-zh .lang-es,
body.lang-es .lang-en, body.lang-es .lang-zh { display: none; }

/* === WhatsApp floating button === */
.whatsapp-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  z-index: 100;
  transition: transform .15s ease, box-shadow .15s ease;
  text-decoration: none;
  color: #fff;
}
.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,.55);
  color: #fff;
}
.whatsapp-fab svg { width: 32px; height: 32px; fill: #fff; }
.whatsapp-fab .label {
  position: absolute;
  right: 70px;
  background: #1f2937;
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.whatsapp-fab:hover .label { opacity: 1; transform: translateX(0); }
@media (max-width: 760px) {
  .whatsapp-fab { width: 52px; height: 52px; right: 14px; bottom: 14px; }
  .whatsapp-fab svg { width: 28px; height: 28px; }
  .whatsapp-fab .label { display: none; }
}

/* === News / Blog page === */
.news-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
  display: block;
  color: inherit;
  text-decoration: none;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); color: inherit; }
.news-card .news-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 32px;
}
.news-card .news-body { padding: 18px 20px; }
.news-card .news-date { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.news-card h3 { font-size: 17px; color: var(--brand-dark); margin-bottom: 8px; line-height: 1.4; }
.news-card .news-excerpt { color: var(--muted); font-size: 14px; line-height: 1.55; }

.news-article {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
}
.news-article h1 { font-size: 28px; color: var(--brand-dark); margin-bottom: 14px; line-height: 1.3; }
.news-article .news-meta { font-size: 13px; color: var(--muted); margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.news-article h2 { font-size: 20px; color: var(--brand-dark); margin: 28px 0 12px; }
.news-article h3 { font-size: 16px; color: var(--brand-dark); margin: 20px 0 8px; }
.news-article p { margin-bottom: 14px; line-height: 1.7; color: var(--text); }
.news-article ul, .news-article ol { margin: 0 0 14px 22px; line-height: 1.7; }
.news-article li { margin-bottom: 6px; }
.news-article .back-link { display: inline-block; margin-bottom: 20px; color: var(--brand); font-size: 14px; }
@media (max-width: 760px) {
  .news-article { padding: 24px 20px; }
}

/* ===== WeChat additions (V54) ===== */
/* Stack WhatsApp + WeChat vertically */

.wechat-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  background: #07C160;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(7,193,96,.4);
  z-index: 100;
  transition: transform .15s ease, box-shadow .15s ease;
  text-decoration: none;
  color: #fff;
  cursor: pointer;
  border: none;
}
.wechat-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(7,193,96,.55);
  color: #fff;
}
.wechat-fab svg { width: 32px; height: 32px; fill: #fff; }
.wechat-fab .label {
  position: absolute;
  right: 70px;
  background: #1f2937;
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.wechat-fab:hover .label { opacity: 1; transform: translateX(0); }

@media (max-width: 760px) {
  
  .wechat-fab { width: 52px; height: 52px; right: 14px; bottom: 14px; }
  .wechat-fab svg { width: 28px; height: 28px; }
  .wechat-fab .label { display: none; }
}

/* WeChat popup modal */
.wechat-modal {
  position: fixed;
  inset: 0;
  background: rgba(15,30,55,.7);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.wechat-modal.open { display: flex; }
.wechat-modal-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.wechat-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 24px;
  color: #9ca3af;
  cursor: pointer;
  line-height: 1;
}
.wechat-modal-card h3 {
  color: var(--brand-dark);
  margin-bottom: 8px;
  font-size: 18px;
}
.wechat-modal-card p { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.wechat-id-box {
  background: var(--bg-soft);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-dark);
  letter-spacing: .04em;
  margin-bottom: 14px;
  font-family: 'Courier New', monospace;
}
.wechat-copy-btn {
  background: #07C160;
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: .15s;
}
.wechat-copy-btn:hover { background: #06A050; }
.wechat-copy-btn.copied { background: var(--brand-dark); }


/* logo mobile (V55) */
@media (max-width: 760px){.logo img{height:38px}}

/* === lang-dropdown mobile (V57) === */
.lang-dropdown {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 7px 32px 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%230d3b66' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
  font-family: inherit;
}
.lang-dropdown:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(13,59,102,.1); }

@media (max-width: 760px) {
  .lang-switch { display: none; }
  .lang-dropdown { display: inline-block; }
}

/* === mobile nav reorder (V58) === */
@media (max-width: 760px){
  /* Hide orange "Get a Quote" button on mobile */
  .nav-cta .btn-accent { display: none !important; }
  /* Use flex order to put ☰ AFTER dropdown */
  .nav { flex-wrap: nowrap; }
  .logo { order: 0; flex-shrink: 0; }
  .nav-cta { order: 1; margin-left: auto; }
  .menu-toggle { order: 2; margin-left: 8px; }
  /* Slightly smaller dropdown to leave room for hamburger */
  .lang-dropdown { padding: 6px 28px 6px 12px; font-size: 12px; }
}

/* === Ubuntu staging visual experiment (2026-06-23) === */
:root{
  --brand:#245447;
  --brand-dark:#102d2d;
  --accent:#e4a13d;
  --accent-dark:#bd6a32;
  --bg-soft:#f5f7f2;
  --border:#dde5dc;
  --shadow:0 12px 34px rgba(16,45,45,.11);
  --radius:8px;
  --header-h:72px;
}

body{
  background:#fbfcfa;
}

.site-header{
  background:rgba(255,255,255,.97);
  border-bottom:1px solid rgba(36,84,71,.13);
}

.logo img{
  height:46px;
}

.nav-links{
  gap:24px;
}

.nav-links a{
  font-size:14px;
  font-weight:650;
}

.nav-cta{
  gap:10px;
}

.btn{
  border-radius:7px;
  font-weight:700;
  letter-spacing:0;
}

.btn-accent{
  background:#e4a13d;
  color:#18221d;
  box-shadow:0 8px 18px rgba(228,161,61,.22);
}

.btn-accent:hover{
  background:#bd6a32;
  color:#fff;
}

.hero{
  min-height:560px;
  display:flex;
  align-items:center;
  background:
    linear-gradient(90deg,rgba(10,33,33,.97) 0%,rgba(16,45,45,.88) 44%,rgba(16,45,45,.50) 72%,rgba(16,45,45,.20) 100%),
    url("../assets/eco-cleaner.jpg?v=2") center right/cover no-repeat;
  padding:76px 0 96px;
}

/* Compact hero for inner pages; home page keeps the full hero. */
.hero[style]{
  min-height:340px;
  padding:46px 0 52px !important;
}

.hero[style] h1{
  max-width:720px;
  font-size:clamp(30px,3.6vw,44px);
}

.hero[style] .lead{
  max-width:720px;
  font-size:clamp(15px,1.3vw,17px);
}

.hero h1{
  max-width:720px;
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.08;
  letter-spacing:0;
  margin-bottom:20px;
}

.hero .lead{
  max-width:650px;
  color:rgba(255,255,255,.88);
  font-size:clamp(15px,1.55vw,19px);
  line-height:1.68;
}

.hero-actions{
  gap:12px;
}

.hero-actions .btn{
  padding:12px 20px;
}

.kpis{
  margin-top:-62px;
  gap:16px;
}

.kpi{
  border:1px solid rgba(36,84,71,.10);
  border-radius:8px;
  padding:20px 18px;
}

.kpi .num{
  color:var(--brand-dark);
  font-size:25px;
}

section{
  padding:70px 0;
}

.section-title{
  margin-bottom:38px;
}

.section-title .eyebrow{
  color:var(--accent-dark);
  letter-spacing:.10em;
}

.section-title h2{
  color:var(--brand-dark);
  font-size:clamp(26px,3.1vw,38px);
}

.feature{
  background:#fff;
  border:1px solid var(--border);
  border-radius:8px;
  padding:20px;
  min-height:150px;
}

.feature .ico{
  border-radius:8px;
  background:linear-gradient(135deg,var(--brand),#2f705a);
}

.card{
  border-radius:8px;
  border:1px solid rgba(36,84,71,.14);
}

.card:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 36px rgba(16,45,45,.14);
}

.card .thumb{
  aspect-ratio:16/11;
  background:#edf1ea;
}

.card .body{
  padding:22px;
}

.card h3{
  color:var(--brand-dark);
  font-size:18px;
}

.product-card .prod-brief{
  color:#65726b;
}

.bg-soft{
  background:linear-gradient(180deg,#f5f7f2 0%,#edf3ec 100%);
}

.cta-banner{
  background:
    linear-gradient(90deg,rgba(16,45,45,.96),rgba(36,84,71,.88)),
    url("../assets/telescopic-conveyor.jpg") center/cover no-repeat;
  padding:72px 0;
}

.cta-banner p{
  color:rgba(255,255,255,.88);
}

.site-footer{
  background:#102d2d;
}

@media (max-width:900px){
  .nav-links{
    gap:16px;
  }
}

@media (max-width:760px){
  :root{--header-h:64px}
  .logo img{height:36px}
  .hero{
    min-height:520px;
    padding:54px 0 82px;
    background:
      linear-gradient(180deg,rgba(10,33,33,.96) 0%,rgba(16,45,45,.82) 58%,rgba(16,45,45,.45) 100%),
      url("../assets/eco-cleaner.jpg?v=2") center/cover no-repeat;
  }
  .hero[style]{
    min-height:260px;
    padding:34px 0 40px !important;
  }
  .hero h1{
    font-size:clamp(30px,9vw,42px);
  }
  .hero[style] h1{
    font-size:clamp(28px,8vw,38px);
  }
  .hero .lead{
    font-size:15px;
  }
  .hero-actions .btn{
    width:100%;
    text-align:center;
  }
  .kpis{
    grid-template-columns:1fr 1fr;
    margin-top:-44px;
    gap:10px;
  }
  .kpi{
    padding:16px 10px;
  }
  .kpi .num{
    font-size:21px;
  }
  .feature{
    min-height:0;
    padding:18px;
  }
  .foot-grid{
    grid-template-columns:1fr;
  }
}