:root {
  --ink: #12242b;
  --ink-deep: #092534;
  --ink-soft: #2b434a;
  --paper: #f8f8f5;
  --white: #ffffff;
  --line: #dbe1df;
  --line-control: #bdc9c6;
  --line-control-strong: #8ea09b;
  --muted: #62757a;
  --signal: #00923f;
  --signal-deep: #007a35;
  --gold: #c69c46;
  --gold-pale: #eee2c5;
  --mist: #e8efed;
  --shell: min(1180px, calc(100% - 48px));
  color-scheme: light;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

button, input, select, textarea { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

a { color: inherit; text-decoration: none; }

button { cursor: pointer; }

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

.shell { width: var(--shell); margin: 0 auto; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow.light { color: var(--gold-pale); }

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  color: var(--ink-deep);
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-weight: 500;
  line-height: 1.14;
  overflow-wrap: anywhere;
  word-wrap: break-word;
  hyphens: auto;
}

h1 em, h2 em { color: var(--signal); font-style: italic; }

.utility {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--ink-deep);
  color: #d9e1df;
  font-size: 12px;
}

.utility .shell {
  display: flex;
  min-height: 34px;
  align-items: center;
  gap: 12px;
}

.utility a:hover { color: var(--white); }

.utility-rule { width: 1px; height: 12px; background: rgba(255, 255, 255, 0.3); }

.utility-push { margin-inline-start: auto; color: #b9c7c4; }

.language-picker { position: relative; display: inline-flex; margin-inline-start: 8px; align-items: center; gap: 7px; }
.language-icon { width: 17px; height: 17px; flex: 0 0 auto; color: #f3c56d; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.language-picker select { min-width: 92px; padding: 4px 22px 4px 8px; border: 1px solid rgba(255,255,255,.48); border-radius: 0; outline: 0; color: var(--white); background: var(--ink-deep); font-size: 11px; font-weight: 700; }
.language-picker select:focus { border-color: var(--gold-pale); }

.site-header { position: relative; z-index: 10; background: var(--white); }

.nav-shell { display: flex; min-height: 88px; align-items: center; gap: 18px; }

.brand { display: inline-flex; flex: 0 0 auto; align-items: center; }
.brand-logo { display: block; width: 96px; height: auto; aspect-ratio: 515 / 327; object-fit: contain; }
.brand-header { min-width: 0; gap: 13px; animation: refined-rise 620ms cubic-bezier(.22, 1, .36, 1) both; }
.brand-name-lockup { display: flex; min-width: 0; width: 380px; flex-direction: column; justify-content: center; }
.brand-name-zh { color: var(--ink-deep); font-size: 23px; font-weight: 800; line-height: 1.18; white-space: nowrap; }
.brand-name-en { margin-top: 4px; color: var(--muted); font-size: 13.5px; font-weight: 700; line-height: 1.22; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 31px; margin-inline-start: auto; }

.main-nav a {
  position: relative;
  padding: 30px 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 21px;
  left: 0;
  height: 2px;
  background: var(--signal);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.main-nav a:hover, .main-nav a.active { color: var(--ink-deep); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

.nav-rfq {
  margin-inline-start: 34px;
  padding: 12px 14px;
  border: 1px solid var(--ink-deep);
  color: var(--ink-deep);
  font-size: 13px;
  font-weight: 800;
}

.nav-rfq span { color: var(--signal); font-size: 17px; }
.nav-rfq:hover { border-color: var(--signal); color: var(--signal); }

.menu-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-deep);
  background-image: url('/images/fabric-rolls.jpg');
  background-image: image-set(url('/images/fabric-rolls.webp') type('image/webp'), url('/images/fabric-rolls.jpg') type('image/jpeg'));
  background-position: center 43%;
  background-size: cover;
}

.hero::before { position: absolute; inset: 0; background: rgba(5, 33, 44, .68); content: ""; }

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 500px;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 60px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  padding: 56px 0 34px;
  flex-direction: column;
  justify-content: center;
}

.hero .eyebrow { color: var(--gold-pale); }

.hero h1 {
  max-width: 660px;
  margin-bottom: 19px;
  color: var(--white);
  font-size: 50px;
}

.hero h1 em { color: #f3c56d; }

.hero-text { max-width: 530px; margin-bottom: 27px; color: #c9d6d4; font-size: 16px; }

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-bottom: 24px; }

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 12px 17px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 14px;
  font-weight: 800;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.button:hover { transform: translateY(-1px); }
.button:focus-visible, .nav-rfq:focus-visible, .menu-toggle:focus-visible, .focus-card:focus-visible, .card-arrow:focus-visible, .catalogue-filter a:focus-visible, .catalogue-filter button:focus-visible, .catalogue-filter input:focus-visible, .catalogue-filter select:focus-visible, .catalogue-pagination a:focus-visible { outline: 2px solid rgba(0,146,63,.42); outline-offset: 2px; }

.button-primary { color: var(--white); background: var(--signal); border-color: var(--signal); }
.button-primary:hover { background: var(--signal-deep); border-color: var(--signal-deep); }
.button-primary span { font-size: 20px; line-height: 1; }
.button-ghost { color: var(--white); border-color: rgba(255, 255, 255, 0.72); }
.button-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }
.button-light { color: var(--ink-deep); background: var(--white); border-color: var(--white); }
.button-light:hover { color: var(--white); background: transparent; }

.hero-metrics { display: flex; margin: auto 0 0; gap: 29px; }
.hero-metrics div { min-width: 82px; }
.hero-metrics dt { display: flex; align-items: baseline; gap: 5px; color: #f3c56d; font-family: Georgia, serif; font-size: 24px; line-height: 1; }
.hero-metrics dt small { font-family: Arial, sans-serif; font-size: 10px; font-weight: 700; line-height: 1; }
.hero-metrics dd { margin: 8px 0 0; color: #b9c9c7; font-size: 11px; line-height: 1.45; }

.hero-visual { align-self: end; margin-bottom: 40px; padding: 22px 0 0 22px; border-top: 1px solid rgba(243,197,109,.75); border-left: 1px solid rgba(255,255,255,.38); color: var(--white); }
.hero-visual > p { margin: 0 0 30px; font-family: Georgia, serif; font-size: 23px; line-height: 1.2; }
.hero-visual > div { display: flex; gap: 8px; flex-direction: column; color: #c6d5d2; font-size: 9px; font-weight: 800; }

@keyframes refined-rise {
  from { opacity: .24; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes refined-visual {
  from { opacity: .32; transform: translateY(16px) scale(.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.hero-copy > .eyebrow,
.hero-copy > h1,
.hero-copy > .hero-text,
.hero-copy > .hero-actions,
.hero-copy > .hero-metrics { animation: refined-rise 760ms cubic-bezier(.22, 1, .36, 1) both; }
.hero-copy > .eyebrow { animation-delay: 90ms; }
.hero-copy > h1 { animation-delay: 190ms; }
.hero-copy > .hero-text { animation-delay: 290ms; }
.hero-copy > .hero-actions { animation-delay: 390ms; }
.hero-copy > .hero-metrics { animation-delay: 490ms; }
.hero-visual { animation: refined-visual 880ms cubic-bezier(.22, 1, .36, 1) 260ms both; }
.page-hero .shell,
.product-detail-grid { animation: refined-rise 680ms cubic-bezier(.22, 1, .36, 1) 100ms both; }

.motion-enabled .reveal-item {
  opacity: .18;
  transform: translateY(16px);
  transition: opacity 680ms cubic-bezier(.22, 1, .36, 1), transform 680ms cubic-bezier(.22, 1, .36, 1);
}

.motion-enabled .reveal-item.is-visible { opacity: 1; transform: translateY(0); }
.motion-enabled .product-card.reveal-item { transition: opacity 680ms cubic-bezier(.22, 1, .36, 1), transform 680ms cubic-bezier(.22, 1, .36, 1), border-color 180ms ease, box-shadow 180ms ease; }
.motion-enabled .product-card.reveal-item.is-visible:hover,
.motion-enabled .product-card.reveal-item.is-visible:focus-within { transform: translateY(-3px); }
.motion-enabled .focus-card.reveal-item { transition: opacity 680ms cubic-bezier(.22, 1, .36, 1), transform 680ms cubic-bezier(.22, 1, .36, 1), background 180ms ease; }

.section { padding: 84px 0; }
.section-light { background: var(--paper); }

.section-intro, .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.section-intro { margin-bottom: 45px; }
.section-intro > div { max-width: 610px; }
.section-intro h2, .section-heading h2 { margin-bottom: 0; font-size: 36px; }
.section-intro > p { max-width: 390px; margin-bottom: 5px; color: var(--muted); }

.focus-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line-control); border: 1px solid var(--line-control); }
.focus-card { position: relative; display: flex; min-height: 320px; padding: 32px; flex-direction: column; overflow: hidden; background: var(--white); transition: background 180ms ease; }
.focus-card > :not(.focus-card-media) { position: relative; z-index: 1; }
.focus-card-media { position: absolute; inset: 0 0 auto; width: 100%; height: 68%; object-fit: cover; opacity: .38; filter: saturate(.72) contrast(1.05); pointer-events: none; -webkit-mask-image: linear-gradient(to bottom, #000 52%, transparent 100%); mask-image: linear-gradient(to bottom, #000 52%, transparent 100%); transition: opacity 180ms ease, filter 180ms ease, transform 240ms ease; }
.focus-card.thermal .focus-card-media { object-position: center 43%; }
.focus-card.sealing .focus-card-media { object-position: center 48%; }
.focus-card.fire .focus-card-media { object-position: center 42%; }
.focus-card.specialty .focus-card-media { object-position: center 48%; }
.focus-card:hover { color: var(--white); background: var(--ink-deep); }
.focus-card:hover .focus-card-media { opacity: .27; filter: saturate(.8) contrast(1.12); transform: scale(1.025); }
.focus-card:hover h3, .focus-card:hover p { color: inherit; }
.focus-card.thermal { color: var(--signal); }
.focus-card.sealing { color: #366d68; }
.focus-card.fire { color: #b9892d; }
.focus-card.specialty { color: #8a4f58; }
.focus-index { font-family: Georgia, serif; font-size: 26px; }
.focus-card h3 { max-width: 240px; margin: auto 0 14px; color: var(--ink-deep); font-size: 26px; }
.focus-card p { max-width: 280px; margin-bottom: 22px; color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-deep); font-size: 13px; font-weight: 800; }
.text-link b { color: var(--signal); font-size: 20px; line-height: 1; }
.focus-card:hover .text-link { color: var(--white); }

.products-preview { background: var(--white); }
.section-heading { margin-bottom: 36px; }
.section-heading .text-link { flex: 0 0 auto; }
.product-grid, .catalogue-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card { position: relative; min-width: 0; border: 1px solid var(--line-control); background: var(--white); transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease; }
.product-card:hover, .product-card:focus-within { border-color: var(--line-control-strong); box-shadow: 0 8px 22px rgba(9,37,52,.08); transform: translateY(-2px); }
.product-image { position: relative; display: block; height: 235px; overflow: hidden; background: #f4f7f6; }
.product-image img { width: 100%; height: 100%; padding: 10px; object-fit: contain; background: var(--white); transition: transform 240ms ease; }
.product-card:hover .product-image img { transform: scale(1.025); }
.product-image span { position: absolute; top: 13px; left: 13px; padding: 4px 7px; color: var(--white); background: var(--ink-deep); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.product-image .product-record-status { right: 13px; left: auto; max-width: calc(100% - 82px); color: var(--ink-deep); border: 1px solid rgba(9,37,52,.16); background: rgba(255,255,255,.94); text-align: right; }
.product-image .product-record-status.record-detailed { color: #17614f; border-color: #b9d9cf; background: rgba(237,248,244,.96); }
.product-image .product-record-status.record-partial { color: #7a5917; border-color: #e5d39a; background: rgba(255,249,227,.96); }
.product-card-content { position: relative; min-height: 132px; padding: 19px 51px 20px 20px; }
.product-card-content p { display: flex; min-width: 0; margin-bottom: 8px; align-items: center; justify-content: space-between; gap: 8px; color: var(--signal); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.product-language-badge { flex: 0 0 auto; padding: 2px 4px; color: var(--muted); border: 1px solid var(--line-control); background: var(--white); font-size: 8px; letter-spacing: 0; }
.product-language-badge[hidden] { display: none; }
.product-card-content h3 { margin: 0; font-size: 19px; line-height: 1.2; }
.product-card-content h3 a:hover { color: var(--signal); }
.card-arrow { position: absolute; right: 18px; bottom: 20px; display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--line-control); color: var(--signal); font-size: 18px; }
.card-arrow:hover { border-color: var(--signal); background: var(--signal); color: var(--white); }

.capability-band { padding: 80px 0; color: var(--white); background: var(--ink-deep); }
.capability-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.capability-band h2 { max-width: 530px; margin-bottom: 0; color: var(--white); font-size: 38px; }
.capability-list { border-top: 1px solid rgba(255,255,255,.22); }
.capability-list div { display: grid; padding: 22px 0; grid-template-columns: 48px 1fr; gap: 17px; border-bottom: 1px solid rgba(255,255,255,.22); }
.capability-list span { color: #f3c56d; font-family: Georgia, serif; font-size: 22px; }
.capability-list p { margin: 0; color: #c8d5d3; }
.capability-list strong { display: block; margin-bottom: 4px; color: var(--white); }

.contact-strip { padding-top: 70px; padding-bottom: 70px; background: #e6edeb; }
.contact-strip-grid { display: flex; align-items: center; justify-content: space-between; gap: 45px; }
.contact-strip h2 { max-width: 770px; margin-bottom: 0; font-size: 38px; }
.contact-strip .button { flex: 0 0 auto; }

.site-footer { color: #c1cecc; background: #102f39; }
.footer-grid { display: grid; padding: 68px 0 56px; grid-template-columns: 1.55fr .75fr .75fr 1.1fr; gap: 54px; }
.footer-brand .brand { margin-bottom: 22px; }
.footer-brand .brand-logo { width: 112px; }
.footer-grid p { color: #b9c8c5; font-size: 13px; }
.footer-grid h2 { margin-bottom: 19px; color: var(--white); font-family: Inter, sans-serif; font-size: 13px; font-weight: 800; }
.footer-grid > div:not(:first-child) > a { display: block; margin: 0 0 11px; color: #c1cfcc; font-size: 13px; }
.footer-grid > div:not(:first-child) > a:hover, .footer-contact a:hover { color: #f3c56d; }
.footer-contact { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.footer-contact a, .contact-direct a, .address-grid a { overflow-wrap: anywhere; word-wrap: break-word; }
.footer-contact .contact-fax { color: #b9c8c5; font-size: 12px; }
.footer-brochure-link, .brochure-inline-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 17px; color: #f3c56d; font-size: 12px; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }
.footer-brochure-link::after, .brochure-inline-link::after { content: '↓'; font-size: 14px; text-decoration: none; }
.footer-brochure-link:hover, .brochure-inline-link:hover { color: var(--white); }
.subtle { opacity: .7; }
.footer-bottom { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.16); color: #99adaa; font-size: 11px; }
.footer-trust { border-top: 1px solid var(--line); background: var(--white); }
.footer-trust-inner { display: flex; min-height: 90px; padding: 12px 0; align-items: center; justify-content: center; flex-wrap: wrap; gap: 28px; }
.footer-trust-badge { display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; }
.footer-trust-badge img { width: auto; height: 44px; object-fit: contain; }
.footer-trust-badge img[src*="footer-shanghai-cyber-police"] { height: 62px; }
.footer-trust-link { transition: opacity 140ms ease; }
.footer-trust-link:hover { opacity: .72; }
.footer-trust-link:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }

.page-hero { padding: 72px 0 64px; color: var(--white); background: var(--ink-deep); }
.page-hero .shell { max-width: min(1180px, calc(100% - 48px)); }
.page-hero h1 { max-width: 790px; margin-bottom: 18px; color: var(--white); font-size: 48px; }
.page-hero h1 em { color: #f3c56d; }
.page-hero p:not(.eyebrow) { max-width: 630px; margin: 0; color: #c7d5d2; font-size: 17px; }
.solutions-hero { background: #173c49; }
.about-hero { background: #5d2b26; }

.catalogue { padding: 54px 0 110px; background: var(--paper); }
.catalogue-layout { display: grid; grid-template-columns: 247px minmax(0, 1fr); gap: 45px; }
.catalogue-filter { padding-top: 8px; }
.catalogue-lines { display: flex; flex-direction: column; margin-bottom: 35px; border-top: 1px solid var(--ink-deep); }
.filter-title { margin: 17px 0 9px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.catalogue-lines > a { padding: 10px 0; border-bottom: 1px solid var(--line-control); color: var(--ink-soft); font-size: 14px; font-weight: 700; }
.catalogue-lines > a.selected, .catalogue-lines > a:hover { color: var(--signal); }
.catalogue-search label { display: block; margin-bottom: 9px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.catalogue-search label:not(:first-of-type) { margin-top: 24px; }
.catalogue-search-row { display: flex; border-bottom: 1px solid var(--ink-deep); }
.catalogue-search input { min-width: 0; width: 100%; padding: 9px 0; border: 0; outline: 0; background: transparent; color: var(--ink-deep); font-size: 13px; }
.catalogue-search button { width: 35px; border: 0; background: transparent; color: var(--signal); font-size: 20px; }
.catalogue-search select { width: 100%; min-height: 40px; padding: 8px 30px 8px 9px; border: 1px solid var(--line-control-strong); border-radius: 0; outline: 0; color: var(--ink-deep); background: var(--white); font: inherit; font-size: 12px; }
.catalogue-search .catalogue-apply { width: 100%; min-height: 40px; margin-top: 12px; padding: 8px 12px; color: var(--white); background: var(--ink-deep); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.catalogue-search .catalogue-apply:hover { background: var(--signal-deep); }
.catalogue-clear { display: inline-block; margin-top: 12px; color: var(--muted); font-size: 11px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.catalogue-clear:hover { color: var(--signal); }
.catalogue-topline { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 21px; color: var(--muted); font-size: 12px; }
.catalogue-topline p { margin: 0; color: var(--ink-deep); }
.catalogue-topline strong { color: var(--signal); font-family: Georgia, serif; font-size: 23px; }
.catalogue-range { margin-inline-start: 8px; color: var(--muted); }
.catalogue-grid { grid-template-columns: repeat(3, 1fr); }
.catalogue-grid .product-image { height: 205px; }
.empty-state { grid-column: 1 / -1; padding: 52px; border: 1px solid var(--line); background: var(--white); text-align: center; }
.empty-state h2 { font-size: 34px; }
.empty-state .button-ghost { color: var(--ink-deep); border-color: var(--line-control-strong); }
.catalogue-pagination { display: grid; grid-template-columns: minmax(90px, 1fr) auto minmax(90px, 1fr); gap: 16px; align-items: center; margin-top: 34px; padding-top: 21px; border-top: 1px solid var(--line-control); }
.pagination-pages { display: flex; align-items: center; justify-content: center; gap: 5px; }
.pagination-step, .pagination-page { display: inline-flex; min-width: 38px; height: 38px; align-items: center; justify-content: center; border: 1px solid var(--line-control-strong); color: var(--ink-soft); background: var(--white); font-size: 12px; font-weight: 800; }
.pagination-step { width: 38px; gap: 8px; padding: 0; }
.pagination-step:first-child { justify-self: start; }
.pagination-step:last-child { justify-self: end; }
.pagination-step:hover, .pagination-page:hover, .pagination-page.current { color: var(--white); border-color: var(--ink-deep); background: var(--ink-deep); }
.pagination-step.disabled { opacity: .38; }
.pagination-ellipsis { display: inline-flex; min-width: 22px; height: 38px; align-items: center; justify-content: center; color: var(--muted); }
.pagination-status { display: none; color: var(--muted); font-size: 11px; font-weight: 700; text-align: center; }

.product-hero { padding: 23px 0 80px; background: var(--paper); }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 39px; color: var(--muted); font-size: 12px; }
.breadcrumb a:hover { color: var(--signal); }
.product-detail-grid { display: grid; grid-template-columns: .96fr 1.04fr; gap: clamp(40px, 7vw, 100px); align-items: center; }
.product-detail-image { position: relative; min-height: 482px; overflow: hidden; background: #f4f7f6; }
.product-detail-image img { width: 100%; height: 482px; padding: 24px; object-fit: contain; background: var(--white); }
.product-detail-image span { position: absolute; right: 0; bottom: 0; padding: 10px 15px; color: var(--white); background: var(--ink-deep); font-size: 11px; font-weight: 800; }
.product-detail-copy h1 { margin-bottom: 6px; font-size: 42px; }
.product-zh { margin-bottom: 25px; color: var(--signal); font-size: 15px; }
.product-zh:empty { display: none; }
.product-summary { max-width: 585px; margin-bottom: 28px; color: var(--ink-soft); font-size: 17px; }
.product-record-banner { display: flex; max-width: 585px; margin: 0 0 24px; padding: 11px 14px; align-items: flex-start; gap: 10px; border-inline-start: 3px solid var(--line-control-strong); color: var(--muted); background: #edf2f0; font-size: 12px; line-height: 1.5; }
.product-record-banner strong { flex: 0 0 auto; color: var(--ink-deep); }
.product-record-banner.record-detailed { border-color: var(--signal); background: #eaf5f0; }
.product-record-banner.record-partial { border-color: var(--gold); background: #faf5e8; }
.product-language-note { max-width: 585px; margin: -10px 0 22px; padding: 9px 12px; border: 1px solid #dfd3aa; color: #6f581e; background: #fff9e8; font-size: 11px; line-height: 1.55; }
.product-language-note[hidden] { display: none; }
.product-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.product-actions .button-ghost { color: var(--ink-deep); border-color: var(--line-control); }
.product-actions .button-ghost:hover { color: var(--signal); border-color: var(--signal); background: transparent; }
.detail-specs { background: var(--white); }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; }
.detail-grid h2 { max-width: 480px; font-size: 36px; }
.detail-grid > div > p:not(.eyebrow) { max-width: 490px; color: var(--muted); white-space: pre-line; }
.application-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.application-tags span { padding: 7px 10px; border: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.spec-list { margin: 0; border-top: 1px solid var(--ink-deep); }
.spec-list div { display: grid; min-height: 57px; align-items: center; grid-template-columns: .85fr 1.15fr; gap: 12px; border-bottom: 1px solid var(--line); }
.spec-list dt { color: var(--muted); font-size: 12px; font-weight: 700; }
.spec-list dd { margin: 0; color: var(--ink-deep); font-size: 14px; font-weight: 800; }
.rfq-guidance { padding: 68px 0; border-top: 1px solid var(--line); background: #eef3f1; }
.rfq-guidance-grid { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr); gap: 86px; }
.rfq-guidance h2 { max-width: 390px; margin-bottom: 16px; font-size: 34px; }
.rfq-guidance header > p:not(.eyebrow) { max-width: 430px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.rfq-checklist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink-deep); }
.rfq-checklist div { position: relative; min-height: 92px; padding: 19px 18px 17px 38px; border-bottom: 1px solid var(--line-control); }
.rfq-checklist div:nth-child(odd) { border-inline-end: 1px solid var(--line-control); }
.rfq-checklist span { position: absolute; top: 21px; left: 0; color: var(--signal); font-family: Georgia, serif; font-size: 14px; }
.rfq-checklist strong { display: block; margin-bottom: 4px; color: var(--ink-deep); font-size: 13px; }
.rfq-checklist p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.related-products { background: var(--paper); }
.related-products .product-grid { grid-template-columns: repeat(3, 1fr); }

.solution-steps { background: var(--white); }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); }
.step-grid article { min-height: 280px; padding: 31px; border-right: 1px solid var(--line); }
.step-grid article:last-child { border: 0; }
.step-grid span { color: var(--signal); font-family: Georgia, serif; font-size: 27px; }
.step-grid h3 { margin: 52px 0 12px; font-size: 24px; }
.step-grid p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.industry-list { background: var(--paper); }
.industry-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; }
.industry-layout h2 { max-width: 420px; margin-bottom: 0; font-size: 36px; }
.industry-layout > div:last-child { border-top: 1px solid var(--ink-deep); }
.industry-layout article { display: grid; padding: 23px 0 26px; grid-template-columns: 52px 1fr; gap: 20px; border-bottom: 1px solid var(--line); }
.industry-layout article > span { color: var(--signal); font-family: Georgia, serif; font-size: 23px; }
.industry-layout h3 { margin-bottom: 8px; font-size: 24px; }
.industry-layout p { margin-bottom: 0; color: var(--muted); }
.contact-panel { padding: 68px 0; color: var(--white); background: var(--signal); }
.contact-panel .shell { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.contact-panel h2 { max-width: 675px; margin-bottom: 11px; color: var(--white); font-size: 38px; }
.contact-panel p:not(.eyebrow) { margin-bottom: 0; color: #fde1dc; }
.contact-panel .button { flex: 0 0 auto; }

.company-story { background: var(--white); }
.story-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 100px; }
.story-large { padding: 35px 0 0; border-top: 1px solid var(--ink-deep); }
.story-code { color: var(--signal); font-size: 11px; font-weight: 800; }
.story-large h2 { max-width: 545px; margin: 52px 0 0; font-size: 38px; }
.story-copy { padding-top: 96px; }
.story-copy p { margin-bottom: 25px; color: var(--ink-soft); font-size: 16px; }
.values-band { padding: 82px 0; color: var(--white); background: #173c49; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.value-grid article { padding-top: 25px; border-top: 1px solid rgba(255,255,255,.35); }
.value-grid span { color: #f3c56d; font-family: Georgia, serif; font-size: 24px; }
.value-grid h3 { margin: 40px 0 9px; color: var(--white); font-size: 24px; }
.value-grid p { margin-bottom: 0; color: #c2d0cd; font-size: 14px; }
.address-section { background: var(--paper); }
.address-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.address-grid h2 { max-width: 530px; margin-bottom: 0; font-size: 36px; }
.address-grid > div:last-child { padding-top: 8px; }
.address-line { max-width: 430px; margin-bottom: 19px; color: var(--ink-soft); font-size: 17px; }
.address-grid a { display: block; margin-bottom: 7px; color: var(--signal); font-size: 16px; font-weight: 800; }
.address-contact-links { display: flex; flex-direction: column; gap: 2px; }
.address-contact-links .contact-fax { color: var(--muted); font-size: 13px; }

.contact-hero { padding: 68px 0 62px; color: var(--white); background: var(--ink-deep); }
.contact-hero-grid { display: grid; grid-template-columns: 1fr .46fr; gap: 70px; align-items: end; }
.contact-hero h1 { max-width: 740px; margin-bottom: 18px; color: var(--white); font-size: 48px; }
.contact-hero h1 em { color: #f3c56d; }
.contact-hero p:not(.eyebrow) { max-width: 590px; color: #c4d3d0; font-size: 17px; }
.contact-direct { display: flex; margin-top: 34px; flex-wrap: wrap; gap: 10px 25px; color: #f3c56d; font-size: 14px; font-weight: 700; }
.contact-direct span { flex-basis: 100%; color: #b9cac6; font-size: 12px; font-weight: 500; }
.contact-direct .contact-fax { color: #b9cac6; font-size: 12px; font-weight: 500; }
.contact-direct .brochure-inline-link { flex-basis: 100%; margin-top: 6px; color: #f3c56d; }
.contact-side-note { padding: 24px; border-top: 1px solid #f3c56d; }
.contact-side-note span { color: #f3c56d; font-family: Georgia, serif; font-size: 36px; }
.contact-side-note p { margin: 36px 0 0; color: #d3e0dd; font-size: 14px; }
.inquiry-section { background: var(--white); }
.inquiry-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 105px; }
.inquiry-layout h2 { max-width: 400px; font-size: 36px; }
.inquiry-layout > div > p:not(.eyebrow) { max-width: 330px; color: var(--muted); }
.response-note { display: grid; max-width: 340px; margin-top: 49px; padding: 17px 0; gap: 4px; border-top: 1px solid var(--ink-deep); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.response-note strong { color: var(--ink-deep); }
.inquiry-form { display: flex; gap: 20px; flex-direction: column; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.inquiry-form label { display: flex; gap: 8px; flex-direction: column; color: var(--ink-soft); font-size: 12px; font-weight: 800; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; padding: 12px 0; border: 0; border-bottom: 1px solid var(--line-control); border-radius: 0; outline: none; color: var(--ink-deep); background: transparent; font-size: 15px; }
.inquiry-form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23092534' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 6px center; }
.inquiry-form textarea { min-height: 125px; resize: vertical; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--signal); }
.product-picker { display: flex; min-width: 0; flex-direction: column; gap: 8px; }
.product-picker > label { display: block; }
.product-picker > label:not(:first-child) { margin-top: 4px; }
.product-picker input[type="search"] { padding-right: 28px; background: linear-gradient(90deg, transparent, transparent); }
.inquiry-form option[hidden], .inquiry-form optgroup[hidden] { display: none; }
[data-product-no-results] { margin: -10px 0 0; color: #8b3f34; font-size: 12px; font-weight: 700; }
[data-product-no-results][hidden] { display: none; }
.form-consent { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 5px; color: var(--muted); font-size: 11px; }
.form-consent span { max-width: 355px; }
.form-status { min-height: 21px; margin: 0; color: var(--signal); font-size: 13px; font-weight: 700; }
.form-status.success { color: #24665b; }
.honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden; clip: rect(0, 0, 0, 0); opacity: 0; pointer-events: none; }

.not-found { display: grid; min-height: 60vh; place-items: center; text-align: center; }
.not-found .shell { max-width: 650px; }
.not-found h1 { font-size: 44px; }
.not-found p:not(.eyebrow) { margin-bottom: 28px; color: var(--muted); }

@media (max-width: 1050px) {
  :root { --shell: min(100% - 40px, 930px); }
  .main-nav { gap: 16px; }
  .nav-shell { min-height: 82px; }
  .brand-header .brand-logo { width: 76px; }
  .brand-name-lockup { width: 300px; }
  .brand-name-zh { font-size: 19.5px; }
  .brand-name-en { font-size: 11.5px; }
  .nav-rfq { margin-inline-start: 12px; }
  .hero-layout { grid-template-columns: 1fr 250px; gap: 45px; }
  .hero-copy { padding-top: 52px; }
  .hero h1 { font-size: 46px; }
  .focus-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .catalogue-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid, .industry-layout, .story-grid, .inquiry-layout { gap: 60px; }
  .footer-grid { grid-template-columns: 1.4fr .8fr .8fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 800px) {
  :root { --shell: min(100% - 32px, 650px); }
  .utility-push { display: none; }
  .nav-shell { min-height: 70px; }
  .brand-header { max-width: calc(100% - 58px); gap: 10px; }
  .brand-header .brand-logo { width: 66px; }
  .brand-name-lockup { width: auto; max-width: 380px; }
  .brand-name-zh { font-size: 20px; }
  .brand-name-en { font-size: 12px; }
  .main-nav { position: absolute; z-index: 20; top: 100%; right: 0; left: 0; display: flex; max-height: calc(100vh - 104px); max-height: calc(100dvh - 104px); padding: 10px 16px 16px; overflow-y: auto; flex-direction: column; align-items: stretch; gap: 0; visibility: hidden; opacity: 0; background: var(--white); border-top: 1px solid var(--line); box-shadow: 0 14px 22px rgba(0,0,0,.09); pointer-events: none; transform: translateY(-6px); overscroll-behavior: contain; -webkit-overflow-scrolling: touch; transition: opacity 160ms ease, transform 160ms ease, visibility 0s linear 160ms; }
  .main-nav.open { visibility: visible; opacity: 1; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a::after { display: none; }
  .nav-rfq { display: none; }
  .menu-toggle { display: grid; width: 42px; height: 42px; margin-inline-start: auto; place-content: center; gap: 5px; border: 1px solid var(--line-control); background: var(--white); transition: border-color 160ms ease, background 160ms ease; }
  .menu-toggle:hover { border-color: var(--line-control-strong); }
  .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--ink-deep); transform-origin: center; transition: opacity 150ms ease, transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] { border-color: var(--line-control-strong); background: var(--mist); }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { background-position: 32% center; }
  .hero-layout { display: block; min-height: 0; }
  .hero-copy { min-height: 0; padding: 44px 0 40px; }
  .hero h1 { font-size: 40px; }
  .page-hero h1, .contact-hero h1 { font-size: 40px; }
  .product-detail-copy h1 { font-size: 36px; }
  .capability-band h2, .contact-panel h2, .story-large h2 { font-size: 34px; }
  .contact-strip h2, .detail-grid h2, .industry-layout h2, .address-grid h2, .inquiry-layout h2 { font-size: 32px; }
  .not-found h1 { font-size: 36px; }
  .hero-visual { display: none; }
  .hero-metrics { display: grid; margin-top: 38px; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .hero-metrics div { min-width: 0; }
  .section { padding: 68px 0; }
  .section-intro h2, .section-heading h2 { font-size: 32px; }
  .section-intro, .section-heading, .contact-strip-grid, .contact-panel .shell { align-items: start; flex-direction: column; gap: 19px; }
  .section-intro > p { max-width: 580px; }
  .focus-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-grid { grid-template-columns: 1fr; }
  .focus-card { min-height: 230px; }
  .focus-card h3 { margin-top: 34px; font-size: 24px; }
  .step-grid article { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--line); }
  .step-grid article:last-child { border-bottom: 0; }
  .step-grid h3 { margin-top: 35px; }
  .product-grid, .catalogue-grid { grid-template-columns: repeat(2, 1fr); gap: 13px; }
  .product-image { height: 190px; }
  .product-card-content { min-height: 128px; padding: 15px 45px 16px 15px; }
  .product-card-content h3 { font-size: 17px; }
  .card-arrow { right: 14px; bottom: 16px; }
  .capability-grid, .detail-grid, .industry-layout, .story-grid, .address-grid, .contact-hero-grid, .inquiry-layout { grid-template-columns: 1fr; gap: 42px; }
  .capability-band { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 39px 26px; }
  .footer-grid > div:first-child, .footer-grid > div:last-child { grid-column: 1 / -1; }
  .page-hero { padding: 56px 0 52px; }
  .catalogue { padding-top: 30px; }
  .catalogue-layout { grid-template-columns: 1fr; gap: 28px; }
  .catalogue-filter { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 0; }
  .catalogue-lines { margin-bottom: 0; }
  .catalogue-topline span { display: none; }
  .product-hero { padding-bottom: 55px; }
  .product-detail-image, .product-detail-image img { min-height: 330px; height: 330px; }
  .story-copy { padding-top: 0; }
  .story-large h2 { margin-top: 38px; }
  .value-grid { grid-template-columns: 1fr; gap: 25px; }
  .value-grid h3 { margin-top: 22px; }
  .inquiry-layout > div > p:not(.eyebrow), .response-note { max-width: 100%; }
  .form-consent { align-items: stretch; flex-direction: column; }
  .form-consent .button { width: 100%; }
  .contact-hero { padding: 54px 0 50px; }
  .step-grid h3, .industry-layout h3, .value-grid h3, .profile-strength-grid h3, .profile-compliance h3 { font-size: 22px; }
}

@media (max-width: 520px) {
  :root { --shell: min(100% - 28px, 490px); }
  .utility .shell { justify-content: space-between; }
  .utility-rule, .utility a { display: none; }
  .brand-header { gap: 5px; }
  .brand-header .brand-logo { width: 50px; }
  .brand-name-lockup { max-width: 245px; }
  .brand-name-zh { font-size: 17px; }
  .brand-name-en { margin-top: 2px; font-size: 10.5px; line-height: 1.18; }
  .brand-logo { width: 68px; }
  .footer-brand .brand-logo { width: 96px; }
  h1, h2, h3 { line-height: 1.18; }
  .hero-layout, .hero-copy { min-height: 0; }
  .hero-copy { padding: 32px 0 30px; }
  .hero-text { margin-bottom: 22px; font-size: 14px; }
  .hero h1, .page-hero h1, .contact-hero h1 { font-size: 30px; }
  .product-detail-copy h1 { font-size: 30px; }
  .product-detail-grid { gap: 14px; }
  .product-summary { margin-bottom: 20px; font-size: 14px; line-height: 1.55; }
  .capability-band h2, .contact-panel h2, .story-large h2, .contact-strip h2 { font-size: 28px; }
  .detail-grid h2, .industry-layout h2, .address-grid h2, .inquiry-layout h2 { font-size: 28px; }
  .not-found h1 { font-size: 30px; }
  .hero-actions { gap: 9px; margin-bottom: 14px; }
  .hero-actions .button { width: 100%; min-height: 42px; padding: 10px 12px; }
  .hero-metrics { margin-top: 26px; gap: 8px; }
  .hero-metrics dt { font-size: 21px; }
  .hero-metrics dd { font-size: 9px; }
  .section { padding: 48px 0; }
  .section-intro, .section-heading, .contact-strip-grid { gap: 14px; }
  .section-intro { margin-bottom: 28px; }
  .section-heading { margin-bottom: 24px; }
  .section-intro h2, .section-heading h2 { font-size: 26px; }
  .section-intro > p { font-size: 14px; }
  .focus-card { min-height: 230px; padding: 17px; }
  .focus-card-media { height: 64%; }
  .focus-index { font-size: 20px; }
  .focus-card h3 { display: -webkit-box; margin: 36px 0 8px; overflow: hidden; font-size: 18px; line-height: 1.2; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .focus-card p { display: -webkit-box; margin-bottom: 10px; overflow: hidden; font-size: 11px; line-height: 1.42; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .focus-card .text-link { gap: 6px; font-size: 11px; }
  .focus-card .text-link b { font-size: 16px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .product-image { height: 132px; }
  .product-card-content { min-height: 112px; padding: 12px 36px 14px 12px; }
  .product-card-content p { margin-bottom: 6px; overflow: hidden; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
  .product-card-content h3 { display: -webkit-box; overflow: hidden; font-size: 14px; line-height: 1.25; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .product-card-long-title .product-card-content h3 { font-size: 12px; line-height: 1.2; -webkit-line-clamp: 4; }
  .card-arrow { right: 10px; bottom: 12px; width: 24px; height: 24px; font-size: 16px; }
  .catalogue-grid { grid-template-columns: 1fr; gap: 10px; }
  .catalogue-grid .product-card { display: grid; min-height: 132px; grid-template-columns: minmax(112px, 39%) minmax(0, 1fr); }
  .catalogue-grid .product-image { height: 100%; min-height: 132px; border-inline-end: 1px solid var(--line); }
  .catalogue-grid .product-card-content { display: flex; min-height: 132px; padding: 14px 42px 14px 15px; flex-direction: column; justify-content: center; }
  .catalogue-grid .product-card-content h3 { font-size: 15px; line-height: 1.24; -webkit-line-clamp: 3; }
  .catalogue-grid .product-card-long-title .product-card-content h3 { font-size: 13px; line-height: 1.22; -webkit-line-clamp: 4; }
  .catalogue-grid .card-arrow { right: 12px; bottom: 12px; }
  html[dir="rtl"] .catalogue-grid .product-card-content { padding: 14px 15px 14px 42px; }
  html[dir="rtl"] .catalogue-grid .card-arrow { right: auto; left: 12px; }
  .products-preview { padding-top: 48px; padding-bottom: 48px; }
  .capability-band { padding: 52px 0; }
  .capability-grid { gap: 30px; }
  .capability-list div { padding: 16px 0; }
  .contact-strip { padding-top: 48px; padding-bottom: 48px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 48px 0 40px; gap: 30px 22px; }
  .footer-grid > div { grid-column: auto; }
  .footer-grid > div:first-child, .footer-grid > div:last-child { grid-column: 1 / -1; }
  .footer-brand .brand { margin-bottom: 16px; }
  .footer-grid > div:first-child > p { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
  .footer-grid h2 { margin-bottom: 14px; }
  .footer-grid > div:not(:first-child) > a { margin-bottom: 9px; font-size: 12px; }
  .footer-bottom { align-items: start; padding: 18px 0; flex-direction: column; }
  .footer-trust-inner { min-height: 80px; padding: 12px 0; gap: 16px; }
  .footer-trust-badge img { height: 38px; }
  .footer-trust-badge img[src*="footer-shanghai-cyber-police"] { height: 52px; }
  .catalogue-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .catalogue-lines > a { padding: 8px 0; font-size: 12px; }
  .catalogue-search label:not(:first-of-type) { margin-top: 16px; }
  .catalogue-search .catalogue-apply { min-height: 38px; }
  .catalogue-topline { margin-bottom: 12px; }
  .catalogue { padding-bottom: 56px; }
  .catalogue-pagination { grid-template-columns: 42px 1fr 42px; gap: 10px; margin-top: 24px; padding-top: 16px; }
  .pagination-pages { display: none; }
  .pagination-status { display: block; }
  .pagination-step { width: 42px; min-width: 42px; padding: 0; }
  .breadcrumb { flex-wrap: wrap; margin-bottom: 26px; }
  .product-detail-image, .product-detail-image img { min-height: 280px; height: 280px; }
  .product-detail-image img { padding: 10px; }
  .product-actions .button { width: 100%; }
  .spec-list div { grid-template-columns: 1fr; gap: 2px; padding: 11px 0; }
  .industry-layout article { grid-template-columns: 36px 1fr; gap: 10px; }
  .industry-layout h3 { font-size: 23px; }
  .form-row { grid-template-columns: 1fr; gap: 18px; }
  .contact-side-note { display: none; }
  .page-hero { padding: 44px 0 40px; }
  .contact-hero { padding: 44px 0 40px; }
  .story-large h2 { margin-top: 30px; }
  .step-grid h3, .industry-layout h3, .value-grid h3 { font-size: 20px; }
}

html[dir="rtl"] body { font-family: Tahoma, Arial, "Noto Sans Arabic", sans-serif; }
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3 { font-family: Tahoma, Arial, "Noto Naskh Arabic", serif; }
html[dir="rtl"] .language-picker select { padding: 4px 8px 4px 22px; }
html[dir="rtl"] .main-nav a::after { transform-origin: right center; }
html[dir="rtl"] .hero-visual { padding: 22px 22px 0 0; border-right: 1px solid rgba(255,255,255,.38); border-left: 0; }
html[dir="rtl"] .focus-card::after { right: auto; left: -14px; }
html[dir="rtl"] .product-image span { right: 13px; left: auto; }
html[dir="rtl"] .product-card-content { padding: 19px 20px 20px 51px; }
html[dir="rtl"] .card-arrow { right: auto; left: 18px; }
html[dir="rtl"] .product-detail-image span { right: auto; left: 0; }
html[dir="rtl"] .step-grid article { border-right: 0; border-left: 1px solid var(--line); }
html[dir="rtl"] .step-grid article:last-child { border-left: 0; }
html[dir="rtl"] .inquiry-form select { background-position: left 6px center; }
html[dir="rtl"] .nav-rfq > span,
html[dir="rtl"] .text-link > b,
html[dir="rtl"] .button-primary > span:last-child,
html[dir="rtl"] .button-light > span:last-child { display: inline-block; transform: scaleX(-1); }
html[dir="rtl"] .card-arrow,
html[dir="rtl"] .catalogue-search button { transform: scaleX(-1); }

@media (max-width: 800px) {
  html[dir="rtl"] .product-card-content { padding: 15px 15px 16px 45px; }
  html[dir="rtl"] .card-arrow { right: auto; left: 14px; }
  html[dir="rtl"] .step-grid article { border-left: 0; }
}

/* Expanded corporate profile. */
.about-hero { background: #173c49; }
.about-hero h1 { max-width: 1040px; font-size: 44px; }

.profile-overview { background: var(--white); }

.profile-overview-grid,
.profile-business-grid,
.profile-markets-grid,
.profile-service-grid,
.profile-vision-grid {
  display: grid;
  grid-template-columns: minmax(260px, .78fr) minmax(0, 1.42fr);
  gap: 88px;
}

.profile-overview-grid h2,
.profile-business-grid h2,
.profile-markets-grid h2,
.profile-section-heading h2,
.profile-service-grid h2,
.profile-vision-grid h2 {
  margin-bottom: 0;
  font-size: 36px;
}

.profile-tenure {
  display: flex;
  margin-top: 42px;
  padding-top: 18px;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--line);
}

.profile-tenure strong {
  color: var(--signal);
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
}

.profile-tenure span { max-width: 180px; color: var(--muted); font-size: 12px; font-weight: 700; }

.profile-overview-copy > p {
  margin-bottom: 32px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.75;
}

.profile-compliance {
  padding: 24px 27px;
  border-inline-start: 3px solid var(--signal);
  background: var(--mist);
}

.profile-compliance h3 { margin-bottom: 10px; font-size: 24px; }
.profile-compliance p { margin-bottom: 0; color: var(--ink-soft); line-height: 1.72; }

.profile-business-band,
.profile-service-band { padding: 70px 0; color: var(--white); background: #173c49; }

.profile-business-grid h2,
.profile-service-grid h2 { color: var(--white); }

.profile-business-grid ul,
.profile-service-grid ul {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  list-style: none;
  counter-reset: profile-item;
}

.profile-business-grid li,
.profile-service-grid li {
  position: relative;
  min-height: 58px;
  padding: 17px 0 13px 42px;
  border-top: 1px solid rgba(255,255,255,.22);
  color: #edf3f1;
  counter-increment: profile-item;
}

.profile-business-grid li::before,
.profile-service-grid li::before {
  position: absolute;
  top: 18px;
  left: 0;
  color: #73c998;
  content: counter(profile-item, decimal-leading-zero);
  font-size: 10px;
  font-weight: 800;
}

.profile-markets { background: var(--paper); }
.profile-markets-grid { align-items: start; }
.profile-markets-grid > p { max-width: 680px; margin-bottom: 0; color: var(--ink-soft); font-size: 18px; line-height: 1.78; }

.profile-strength-section { background: var(--white); }
.profile-section-heading { max-width: 620px; margin-bottom: 48px; }

.profile-strength-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 58px;
  counter-reset: strength-item;
}

.profile-strength-grid article {
  position: relative;
  min-height: 168px;
  padding: 30px 0 30px 58px;
  border-top: 1px solid var(--line);
  counter-increment: strength-item;
}

.profile-strength-grid article::before {
  position: absolute;
  top: 33px;
  left: 0;
  color: var(--signal);
  content: counter(strength-item, decimal-leading-zero);
  font-size: 11px;
  font-weight: 800;
}

.profile-strength-grid h3 { margin-bottom: 13px; font-size: 24px; }
.profile-strength-grid p { margin-bottom: 0; color: var(--muted); line-height: 1.7; }

.profile-service-band { background: #0d303b; }

.profile-verification { background: var(--white); }
.profile-verification-grid { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr); gap: 88px; }
.profile-verification header h2 { max-width: 390px; margin-bottom: 16px; font-size: 36px; }
.profile-verification header > p:not(.eyebrow) { max-width: 420px; color: var(--muted); font-size: 14px; }
.verification-list { border-top: 1px solid var(--ink-deep); }
.verification-item { display: grid; min-height: 116px; padding: 22px 0; grid-template-columns: 42px minmax(150px, .65fr) minmax(0, 1.35fr); gap: 18px; border-bottom: 1px solid var(--line); }
.verification-item > span { color: var(--signal); font-family: Georgia, serif; font-size: 18px; }
.verification-item h3 { margin: 1px 0 0; font-size: 21px; }
.verification-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.verification-item a { display: inline-flex; margin-top: 8px; color: var(--signal-deep); font-size: 12px; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.verification-note { grid-column: 2; margin: 0; padding: 16px 18px; border-inline-start: 3px solid var(--gold); color: var(--ink-soft); background: #faf6ea; font-size: 12px; line-height: 1.65; }

.profile-vision { background: var(--paper); }
.profile-vision-grid blockquote { margin: 0 0 24px; color: var(--ink-deep); font-family: Georgia, "Noto Serif SC", serif; font-size: 22px; line-height: 1.5; }
.profile-vision-grid blockquote + p { margin-bottom: 29px; color: var(--ink-soft); line-height: 1.72; }

.technical-library { background: #eef3f1; }
.technical-library-heading { display: grid; grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr); gap: 88px; align-items: end; margin-bottom: 42px; }
.technical-library-heading h2 { max-width: 560px; margin-bottom: 0; font-size: 36px; }
.technical-library-heading > div:last-child { max-width: 600px; }
.technical-library-heading > div:last-child p { margin-bottom: 23px; color: var(--ink-soft); line-height: 1.7; }
.technical-reference-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.technical-reference-card { padding: 27px 28px 24px; border: 1px solid #cbd8d4; background: var(--white); box-shadow: 0 10px 24px rgba(9,37,52,.04); }
.technical-reference-meta { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 21px; color: var(--signal); }
.technical-reference-meta span { font-family: Georgia, serif; font-size: 22px; }
.technical-reference-meta small { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; text-align: right; }
.technical-reference-card h3 { margin-bottom: 18px; font-size: 23px; }
.technical-reference-card dl { margin: 0; border-top: 1px solid var(--line); }
.technical-reference-card dl > div { display: grid; grid-template-columns: minmax(120px, .72fr) minmax(0, 1.28fr); gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.technical-reference-card dt { color: var(--muted); font-size: 11px; font-weight: 800; }
.technical-reference-card dd { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.45; }
.technical-library-note { max-width: 860px; margin: 28px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }

html[dir="rtl"] .profile-business-grid li,
html[dir="rtl"] .profile-service-grid li { padding: 17px 42px 13px 0; }
html[dir="rtl"] .profile-business-grid li::before,
html[dir="rtl"] .profile-service-grid li::before,
html[dir="rtl"] .profile-strength-grid article::before { right: 0; left: auto; }
html[dir="rtl"] .profile-strength-grid article { padding: 30px 58px 30px 0; }
html[dir="rtl"] .rfq-checklist div { padding: 19px 38px 17px 18px; }
html[dir="rtl"] .rfq-checklist span { right: 0; left: auto; }

@media (max-width: 800px) {
  .profile-overview-grid,
  .profile-business-grid,
  .profile-markets-grid,
  .profile-service-grid,
  .profile-vision-grid,
  .profile-verification-grid,
  .rfq-guidance-grid { grid-template-columns: 1fr; gap: 38px; }
  .profile-overview-grid h2,
  .profile-business-grid h2,
  .profile-markets-grid h2,
  .profile-section-heading h2,
  .profile-service-grid h2,
  .profile-vision-grid h2 { font-size: 32px; }
  .profile-tenure { max-width: 360px; margin-top: 27px; }
  .profile-business-band, .profile-service-band { padding: 68px 0; }
  .profile-section-heading { margin-bottom: 36px; }
  .profile-strength-grid { grid-template-columns: 1fr; }
  .profile-strength-grid article { min-height: 0; }
  .verification-note { grid-column: auto; }
  .about-hero h1 { font-size: 36px; }
  .technical-library-heading { grid-template-columns: 1fr; gap: 22px; }
  .technical-library-heading h2 { font-size: 30px; }
  .technical-reference-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .about-hero h1 { font-size: 30px; }
  .profile-overview-grid h2,
  .profile-business-grid h2,
  .profile-markets-grid h2,
  .profile-section-heading h2,
  .profile-service-grid h2,
  .profile-vision-grid h2 { font-size: 28px; }
  .profile-overview-copy > p, .profile-markets-grid > p { font-size: 16px; }
  .profile-business-band, .profile-service-band { padding: 56px 0; }
  .profile-business-grid ul, .profile-service-grid ul { grid-template-columns: 1fr; }
  .profile-compliance { padding: 20px; }
  .profile-compliance h3 { font-size: 20px; }
  .profile-strength-grid article { padding: 24px 0 24px 45px; }
  .profile-strength-grid article::before { top: 27px; }
  .profile-strength-grid h3 { font-size: 20px; }
  .profile-vision-grid blockquote { font-size: 19px; }
  .profile-verification header h2, .rfq-guidance h2 { font-size: 28px; }
  .technical-library-heading { margin-bottom: 30px; }
  .technical-reference-card { padding: 22px 20px 20px; }
  .technical-reference-card h3 { font-size: 21px; }
  .technical-reference-card dl > div { grid-template-columns: minmax(100px, .72fr) minmax(0, 1.28fr); gap: 11px; }
  .verification-item { grid-template-columns: 30px 1fr; gap: 10px; }
  .verification-item p { grid-column: 2; }
  .verification-item > div { grid-column: 2; }
  .rfq-checklist { grid-template-columns: 1fr; }
  .rfq-checklist div:nth-child(odd) { border-inline-end: 0; }
  .product-record-banner { flex-direction: column; gap: 3px; }
  html[dir="rtl"] .profile-strength-grid article { padding: 24px 45px 24px 0; }
}

@media (max-width: 360px) {
  .brand-header { flex: 1 1 auto; max-width: calc(100% - 52px); gap: 6px; }
  .brand-header .brand-logo { width: 46px; }
  .brand-name-lockup { width: auto; max-width: none; flex: 1 1 auto; }
  .brand-name-zh { font-size: 15.5px; }
  .brand-name-en { margin-top: 1px; font-size: 10.5px; line-height: 1.12; white-space: normal; }
}