/* =========================================================
   Qingdao Tower Glass — Foreign Trade Static Site
   Style: clean / fresh (简洁清新) · B2B glassware manufacturer
   Palette: white bg · dark slate text · fresh teal accent
   ========================================================= */

:root {
  --brand: #0E9E96;
  --brand-dark: #0B7E78;
  --brand-rgb: 14, 158, 150;
  --brand-light: #E7F6F4;
  --brand-tint: #F3FBFA;
  --ink: #1F2A33;
  --muted: #5C6B74;
  --soft: #8A99A1;
  --bg: #FFFFFF;
  --bg-soft: #F6F9F9;
  --bg-soft-2: #EEF4F4;
  --line: #E4EBED;
  --line-strong: #D2DDE0;
  --white: #ffffff;

  /* multi-accent tokens — themes override these; default = --brand so teal/warm stay single-hue */
  --accent-1: var(--brand);
  --accent-2: var(--brand);
  --accent-3: var(--brand);
  --accent-4: var(--brand);
  --accent-5: var(--brand);
  --accent-6: var(--brand);
  --accent-7: var(--brand);
  --shadow-sm: 0 1px 3px rgba(16, 40, 45, .06), 0 1px 2px rgba(16, 40, 45, .04);
  --shadow-md: 0 6px 20px rgba(16, 40, 45, .08);
  --shadow-lg: 0 14px 40px rgba(16, 40, 45, .12);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --maxw: 1200px;
  --header-h: 70px;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-head: "Poppins", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--brand-dark); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--brand); }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; color: var(--ink); line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(28px, 4vw, 46px); }
h2 { font-size: clamp(24px, 3vw, 34px); }
h3 { font-size: 20px; }

p { margin: 0 0 1em; color: var(--muted); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  padding: 12px 24px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: all .22s var(--ease); white-space: nowrap; text-decoration: none;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 16px rgba(var(--brand-rgb), .28); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 10px 22px rgba(var(--brand-rgb), .34); }
.btn-outline { border-color: var(--brand); color: var(--brand-dark); background: #fff; }
.btn-outline:hover { background: var(--brand-light); color: var(--brand-dark); }
.btn-ghost { background: rgba(255,255,255,.16); color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.28); color:#fff; }
.btn-light { background: #fff; color: var(--brand-dark); }
.btn-light:hover { background: var(--brand-light); color: var(--brand-dark); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-form-submit {
  width: auto;
  min-width: 150px;
  max-width: 220px;
  padding: 10px 22px;
  font-size: 14px;
}

/* ---------------- Header ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; height: var(--header-h); gap: 18px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 20px; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo .mark { width: 34px; height: 34px; flex: none; }
.logo .mark svg { width: 100%; height: 100%; }
.logo small { display: block; font-size: 11px; font-weight: 500; color: var(--soft); letter-spacing: .14em; text-transform: uppercase; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav > ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav a.nav-link {
  display: inline-block; padding: 9px 14px; border-radius: 8px; color: var(--ink); font-weight: 500; font-size: 15px;
}
.nav a.nav-link:hover { background: var(--bg-soft); color: var(--brand-dark); }
.nav-item-has-children { position: relative; }
.nav-item-has-children > .dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(6px);
  background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg);
  padding: 10px; min-width: 220px; opacity: 0; visibility: hidden; transition: all .2s var(--ease); z-index: 50;
}
.nav-item-has-children:hover > .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-size: 14px; }
.dropdown a:hover { background: var(--brand-light); color: var(--brand-dark); }
.dropdown a .dot { width: 32px; height: 32px; border-radius: 8px; background: var(--brand-light); display: grid; place-items: center; color: var(--brand-dark); font-size: 11px; font-weight: 700; flex: none; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-switch { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 999px; background: #fff; color: var(--ink); font-size: 14px; font-weight: 500; cursor: pointer; }
.lang-btn:hover { border-color: var(--brand); color: var(--brand-dark); }
.lang-menu { position: absolute; right: 0; top: calc(100% + 8px); background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; min-width: 150px; opacity: 0; visibility: hidden; transform: translateY(6px); transition: all .2s var(--ease); z-index: 60; }
.lang-switch.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-size: 14px; }
.lang-menu a:hover, .lang-menu a.active { background: var(--brand-light); color: var(--brand-dark); }

.mobile-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: 10px; background: #fff; cursor: pointer; align-items: center; justify-content: center; }
.mobile-toggle span, .mobile-toggle span::before, .mobile-toggle span::after { content: ""; display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s var(--ease); position: relative; }
.mobile-toggle span::before { position: absolute; top: -6px; }
.mobile-toggle span::after { position: absolute; top: 6px; }

.mobile-menu { display: none; position: fixed; inset: var(--header-h) 0 0 0; background: #fff; z-index: 90; overflow-y: auto; padding: 16px 20px 40px; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 14px 6px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 17px; font-weight: 500; }
.mobile-menu .mm-sub a { padding-left: 22px; font-size: 15px; color: var(--muted); border: none; }
.mobile-menu .mm-cta { margin-top: 18px; }

/* ---------------- Hero ---------------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--brand-light) 0%, var(--brand-tint) 45%, #FFFFFF 100%); }
.hero::after { content: ""; position: absolute; right: -8%; top: -20%; width: 520px; height: 520px; background: radial-gradient(circle, rgba(14,158,150,.16), transparent 70%); border-radius: 50%; pointer-events: none; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding: 70px 0 80px; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; color: var(--brand-dark); box-shadow: var(--shadow-sm); margin-bottom: 18px; }
.hero-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(14,158,150,.18); animation: badge-pulse 1.8s ease-in-out infinite; }
@keyframes badge-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 4px rgba(14,158,150,.18); }
  50% { transform: scale(1.18); box-shadow: 0 0 0 8px rgba(14,158,150,.08); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-badge .pulse { animation: none; }
}
.hero h1 { margin-bottom: 18px; }
.hero h1 .hl { color: var(--brand); }
.hero-sub { font-size: 18px; max-width: 540px; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats .stat strong { display: block; font-family: var(--font-head); font-size: 26px; color: var(--ink); }
.hero-stats .stat span { font-size: 13px; color: var(--soft); }
.hero-visual { position: relative; }
.hero-collage { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hero-collage .cell { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; aspect-ratio: 1/1; box-shadow: var(--shadow-sm); }
.hero-collage .cell img { width: 100%; height: 100%; object-fit: cover; }
.hero-collage .cell.span2 { grid-column: span 2; aspect-ratio: 2/1; }
.hero-collage .cell.tall { grid-row: span 2; aspect-ratio: 1/2; }

/* ---------------- Sections ---------------- */
.section { padding: 32px 0; }
.section.soft { background: var(--bg-soft); }
.category-overview { background: #fff; }
.category-faq { background: var(--bg-soft); border-top: 1px solid var(--line); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head .eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }
.section-head p { font-size: 17px; }
.section-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 34px; }

/* ---------------- Home SEO content blocks ---------------- */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.value-card h3 { font-size: 20px; margin-bottom: 10px; }
.value-card p { margin: 0; font-size: 15.5px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.capability { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px; box-shadow: var(--shadow-sm); }
.capability strong { display: block; color: var(--ink); font-family: var(--font-head); font-size: 15px; margin-bottom: 8px; }
.capability p { margin: 0; font-size: 14px; }
.workshop-environment { margin-top: 42px; }
.workshop-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.workshop-head .eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--brand); }
.workshop-head h3 { margin: 0; font-size: 22px; }
.workshop-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 31%);
  gap: 16px;
  overflow-x: auto;
  padding: 2px 2px 12px;
  scroll-snap-type: x proximity;
}
.workshop-strip::-webkit-scrollbar { height: 8px; }
.workshop-strip::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }
.workshop-photo {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: zoom-in;
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
}
.workshop-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s var(--ease); }
.workshop-photo:hover img { transform: scale(1.04); }
.workshop-lightbox {
  position: fixed;
  inset: 0;
  z-index: 160;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(10, 24, 27, .86);
}
.workshop-lightbox.open { display: flex; }
.workshop-lightbox img {
  max-width: min(1120px, 100%);
  max-height: calc(100vh - 92px);
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.workshop-lightbox button {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.application-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); transition: all .25s var(--ease); }
.application-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.application-card h3 { font-size: 18px; margin-bottom: 8px; }
.application-card p { font-size: 14.5px; margin-bottom: 12px; }
.application-card a { font-weight: 700; font-size: 14px; }

/* ---------------- Category grid ---------------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat-card { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .25s var(--ease); --c: var(--brand); position: relative; }
.cat-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: var(--catbar, 0); background: var(--c); opacity: .92; transition: height .2s var(--ease); }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-light); }
.cat-card:hover::before { height: calc(var(--catbar, 0px) + 2px); }
.cat-card .thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-soft-2); display: grid; place-items: center; }
.cat-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.cat-card:hover .thumb img { transform: scale(1.05); }
.cat-card .meta { padding: 16px 18px; display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; min-height: 132px; }
.cat-card .meta h3 { margin: 0; font-size: 17px; }
.cat-card .meta p { margin: 6px 0 0; font-size: 13.5px; color: var(--muted); }
.cat-card .meta .count { font-size: 13px; color: var(--soft); background: var(--bg-soft); padding: 3px 10px; border-radius: 999px; }
.cat-card .meta .arrow { color: var(--c); }
/* assign a distinct accent to each category card (1–7); themes override --accent-N */
.cat-card:nth-child(1) { --c: var(--accent-1); }
.cat-card:nth-child(2) { --c: var(--accent-2); }
.cat-card:nth-child(3) { --c: var(--accent-3); }
.cat-card:nth-child(4) { --c: var(--accent-4); }
.cat-card:nth-child(5) { --c: var(--accent-5); }
.cat-card:nth-child(6) { --c: var(--accent-6); }
.cat-card:nth-child(7) { --c: var(--accent-7); }

/* ---------------- Product grid ---------------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .25s var(--ease); }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-light); }
.product-card .thumb { aspect-ratio: 1/1; overflow: hidden; background: var(--bg-soft-2); }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.product-card:hover .thumb img { transform: scale(1.06); }
.product-card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.product-card .body .cat { font-size: 12px; color: var(--brand); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.product-card .body h3 { margin: 6px 0 8px; font-size: 17px; }
.product-card .body p { font-size: 13.5px; margin: 0 0 14px; flex: 1; }
.product-card .body .price-cta { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tag { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; color: var(--brand-dark); background: var(--brand-light); padding: 4px 10px; border-radius: 999px; }

/* ---------------- Features ---------------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); transition: all .25s var(--ease); }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature .ico { width: 52px; height: 52px; border-radius: 14px; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; margin-bottom: 16px; }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; margin: 0; }

/* ---------------- Certifications / trust ---------------- */
.trust-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px 16px; text-align: center; box-shadow: var(--shadow-sm); }
.cert .seal { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; }
.cert strong { display: block; font-size: 14px; color: var(--ink); }
.cert span { font-size: 12.5px; color: var(--soft); }

/* ---------------- Testimonials ---------------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.home-features .testi-grid { margin-top: 22px; }
.testi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.testi .stars { color: #F5A623; letter-spacing: 2px; margin-bottom: 12px; }
.testi p { font-size: 15px; color: var(--ink); }
.testi .who { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.testi .who .av { width: 42px; height: 42px; border-radius: 50%; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; font-weight: 700; font-family: var(--font-head); }
.testi .who strong { display: block; font-size: 14px; color: var(--ink); }
.testi .who span { font-size: 12.5px; color: var(--soft); }

/* ---------------- CTA band ---------------- */
.cta-band { background: linear-gradient(120deg, var(--brand-dark), var(--brand)); border-radius: var(--radius-lg); padding: 48px 44px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; box-shadow: var(--shadow-lg); }
.cta-band h2 { color: #fff; margin: 0 0 6px; font-size: clamp(22px,3vw,30px); }
.cta-band p { color: rgba(255,255,255,.88); margin: 0; }
.cta-band .btn-ghost { border-color: rgba(255,255,255,.7); }

/* ---------------- Breadcrumb ---------------- */
.breadcrumb { padding: 16px 0; font-size: 13.5px; color: var(--soft); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span.sep { margin: 0 8px; color: var(--line-strong); }
.breadcrumb span.cur { color: var(--ink); }

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 44px 0; }
.page-hero h1 { margin-bottom: 8px; }
.page-hero p { margin: 0; font-size: 16px; max-width: 680px; }

/* ---------------- Product detail ---------------- */
.pd-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.pd-gallery .main-img { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-soft-2); aspect-ratio: 1/1; }
.pd-gallery .main-img img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery .thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pd-gallery .thumbs button { width: 74px; height: 74px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg-soft-2); cursor: pointer; padding: 0; }
.pd-gallery .thumbs button.active { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-light); }
.pd-gallery .thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd-info h1 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 10px; }
.pd-info .cat-tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--brand-dark); background: var(--brand-light); padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.pd-lead { font-size: 16px; margin-bottom: 16px; }
.pd-points { list-style: none; margin: 16px 0 22px; padding: 0; }
.pd-points li { position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--ink); font-size: 15px; }
.pd-points li::before { content: ""; position: absolute; left: 0; top: 7px; width: 18px; height: 18px; border-radius: 50%; background: var(--brand-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230B7E78' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 8px 0 22px; }
.pd-specs { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pd-specs table { width: 100%; border-collapse: collapse; }
.pd-specs th, .pd-specs td { text-align: left; padding: 12px 16px; font-size: 14.5px; border-bottom: 1px solid var(--line); }
.pd-specs th { width: 38%; background: var(--bg-soft); color: var(--muted); font-weight: 600; }
.pd-specs tr:last-child th, .pd-specs tr:last-child td { border-bottom: none; }
.pd-desc { margin-top: 40px; }
.pd-desc h2 { font-size: 24px; margin-bottom: 14px; }
.pd-desc p { font-size: 15.5px; }
.pd-content-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 30px; align-items: start; margin-top: 46px; }
.pd-content-grid .pd-desc { margin-top: 0; }
.pd-buyer-box, .category-spec-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.pd-buyer-box h2, .category-spec-box h2 { font-size: 20px; margin-bottom: 14px; }
.product-faq { padding-bottom: 20px; }
.category-copy-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 30px; align-items: start; }
.category-copy-grid article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.category-copy-grid article h2 { font-size: 26px; }
.category-hero .hero-cta { margin-top: 22px; }
.check-list { list-style: none; padding: 0; margin: 0 0 18px; }
.check-list li { position: relative; padding-left: 26px; margin-bottom: 10px; color: var(--ink); font-size: 14.5px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 7px; width: 15px; height: 15px; border-radius: 50%; background: var(--brand-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%230B7E78' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 10px no-repeat; }

/* ---------------- Layout with sidebar ---------------- */
.with-sidebar { display: grid; grid-template-columns: 1fr 300px; gap: 36px; align-items: start; }
.sidebar { position: sticky; top: calc(var(--header-h) + 16px); display: flex; flex-direction: column; gap: 22px; }
.side-widget { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.side-widget h3 { font-size: 16px; margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.side-cat-list { list-style: none; margin: 0; padding: 0; }
.side-cat-list li { margin-bottom: 4px; }
.side-cat-list a { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-size: 14.5px; }
.side-cat-list a:hover, .side-cat-list a.active { background: var(--brand-light); color: var(--brand-dark); }
.side-cat-list a .n { font-size: 12px; color: var(--soft); background: var(--bg-soft); padding: 1px 8px; border-radius: 999px; }
.side-prod { display: flex; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.side-prod:last-child { border-bottom: none; }
.side-prod img { width: 52px; height: 52px; border-radius: 8px; object-fit: cover; background: var(--bg-soft-2); flex: none; }
.side-prod .t { font-size: 13.5px; color: var(--ink); font-weight: 500; line-height: 1.3; }
.side-prod:hover .t { color: var(--brand-dark); }

/* ---------------- Pagination ---------------- */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 36px; flex-wrap: wrap; }
.pager a, .pager span { min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--ink); font-size: 14px; font-weight: 500; }
.pager a:hover { border-color: var(--brand); color: var(--brand-dark); background: var(--brand-light); }
.pager span.cur { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager span.dots { border: none; }

/* ---------------- Forms ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.span2 { grid-column: span 2; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field label .req { color: #E0533D; margin-left: 3px; }
.field input, .field textarea, .field select {
  font-family: var(--font); font-size: 15px; padding: 12px 14px; border: 1px solid var(--line-strong);
  border-radius: 10px; background: #fff; color: var(--ink); transition: border-color .2s var(--ease), box-shadow .2s var(--ease); width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-light); }
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13px; color: var(--soft); }
.form-alert { display: none; margin-top: 16px; padding: 12px 16px; border-radius: 10px; background: var(--brand-light); color: var(--brand-dark); font-size: 14px; }
.form-alert.show { display: block; }
.captcha-row { display: grid; grid-template-columns: auto minmax(120px, 220px); gap: 10px; align-items: center; }
.captcha-question { min-height: 44px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-soft); font-weight: 700; color: var(--ink); }
.inquiry-form .inquiry-verification { max-width: 300px; }
.inquiry-form .inquiry-verification .captcha-row { grid-template-columns: minmax(96px, auto) minmax(120px, 1fr); }
.inquiry-form .inquiry-verification .captcha-question { text-align: center; }
.contact-verification { max-width: 300px; }
.contact-verification .captcha-row { grid-template-columns: minmax(96px, auto) minmax(120px, 1fr); }
.contact-verification .captcha-question { text-align: center; }
.cookie-consent {
  position: fixed; left: 20px; right: 20px; bottom: 18px; z-index: 140;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 980px; margin: 0 auto; padding: 16px; border: 1px solid var(--line);
  border-radius: 12px; background: #fff; box-shadow: var(--shadow-lg);
}
.cookie-consent strong { display: block; margin-bottom: 4px; color: var(--ink); }
.cookie-consent p { margin: 0; font-size: 14px; }
.cookie-actions { display: flex; gap: 10px; flex: none; }

/* ---------------- Contact ---------------- */
.contact-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.contact-info .info-row { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-info .info-row:last-child { border-bottom: none; }
.contact-info .info-row .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; flex: none; }
.contact-info .info-row strong { display: block; font-size: 14px; color: var(--muted); font-weight: 600; }
.contact-info .info-row span, .contact-info .info-row a { font-size: 15.5px; color: var(--ink); font-weight: 500; }
.map-placeholder { margin-top: 22px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-soft-2); aspect-ratio: 16/7; display: grid; place-items: center; color: var(--soft); }
.map-placeholder svg { width: 64px; height: 64px; opacity: .5; }

/* ---------------- FAQ ---------------- */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.faq-q { width: 100%; text-align: left; background: none; border: none; padding: 20px 22px; font-family: var(--font-head); font-size: 17px; font-weight: 600; color: var(--ink); cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-q .plus { width: 26px; height: 26px; flex: none; border-radius: 50%; background: var(--brand-light); color: var(--brand-dark); display: grid; place-items: center; transition: transform .25s var(--ease); }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease); }
.faq-a .inner { padding: 0 22px 22px; }
.faq-a p { margin: 0; font-size: 15px; }

/* ---------------- Article/Resource cards (home teaser) ---------------- */
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.resource-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .25s var(--ease); }
.resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.resource-card .ph { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--brand-light), var(--bg-soft-2)); display: grid; place-items: center; color: var(--brand); overflow: hidden; }
.resource-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.resource-card:hover .ph img { transform: scale(1.05); }
.resource-card .ph svg { width: 40px; height: 40px; opacity: .8; }
.resource-card .body { padding: 18px 20px 22px; }
.resource-card .body .date { font-size: 12.5px; color: var(--soft); }
.resource-card .body h3 { font-size: 17px; margin: 6px 0 8px; }
.resource-card .body p { font-size: 14px; margin: 0; }
.article-cover { margin: 0 0 24px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-soft-2); box-shadow: var(--shadow-sm); }
.article-cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* ---------------- Footer ---------------- */
.site-footer { background: #10282B; color: #C9D6D8; margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 36px; padding: 56px 0 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo small { color: rgba(255,255,255,.5); }
.footer-brand p { color: #9FB1B3; font-size: 14.5px; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; margin: 0 0 16px; letter-spacing: .03em; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #C9D6D8; font-size: 14.5px; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: #C9D6D8; font-size: 14.5px; }
.footer-contact .ic { color: var(--brand); flex: none; margin-top: 2px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: #8FA1A3; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); display: grid; place-items: center; color: #C9D6D8; }
.footer-social a:hover { background: var(--brand); color: #fff; }

/* ---------------- Mobile bottom bar ---------------- */
.mobile-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 95; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -4px 20px rgba(16,40,45,.08); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); }
.mobile-bar a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 11.5px; font-weight: 600; color: var(--ink); padding: 4px 0; }
.mobile-bar a svg { width: 20px; height: 20px; }
.mobile-bar a.primary { color: var(--brand-dark); }

/* ---------------- Back to top ---------------- */
.to-top { position: fixed; right: 20px; bottom: 78px; width: 46px; height: 46px; border-radius: 50%; background: var(--brand); color: #fff; border: none; box-shadow: var(--shadow-md); cursor: pointer; display: grid; place-items: center; opacity: 0; visibility: hidden; transition: all .25s var(--ease); z-index: 80; }
.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--brand-dark); }

/* ---------------- Toast ---------------- */
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 999px; font-size: 14px; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transition: all .3s var(--ease); z-index: 120; }
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .cat-grid, .product-grid, .feature-grid, .testi-grid, .resource-grid, .capability-grid, .application-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; padding: 50px 0 56px; }
  .hero-visual { order: -1; }
  .hero-collage { grid-template-columns: repeat(4, 1fr); }
  .with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .side-widget { flex: 1; min-width: 260px; }
  .pd-layout { grid-template-columns: 1fr; gap: 28px; }
  .pd-content-grid, .category-copy-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav { display: none; }
  .header-actions .lang-switch, .header-actions .btn-primary { display: none; }
  .mobile-toggle { display: inline-flex; }
  .section { padding: 52px 0; }
  .cat-grid, .product-grid, .feature-grid, .testi-grid, .resource-grid, .capability-grid, .application-grid, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .workshop-strip { grid-auto-columns: minmax(220px, 76%); }
  .workshop-head { display: block; }
  .workshop-head h3 { margin-top: 4px; font-size: 20px; }
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .field.span2 { grid-column: span 1; }
  .cta-band { padding: 30px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 64px; }
  .hero-collage { grid-template-columns: repeat(3, 1fr); }
  .cookie-consent { flex-direction: column; align-items: stretch; bottom: 76px; }
  .cookie-actions { justify-content: flex-end; }
  .inquiry-form .inquiry-verification { max-width: none; }
  .captcha-row { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .cat-grid, .product-grid, .feature-grid, .testi-grid, .resource-grid, .capability-grid, .application-grid, .value-grid { grid-template-columns: 1fr; }
  .workshop-strip { grid-auto-columns: minmax(210px, 86%); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 18px; }
  .container { padding: 0 16px; }
}