:root {
  --navy: #082846;
  --navy-2: #0c365e;
  --blue: #1769aa;
  --blue-light: #e9f3fb;
  --cyan: #58b9d6;
  --ink: #142331;
  --muted: #627483;
  --line: #dbe4eb;
  --paper: #ffffff;
  --surface: #f4f7f9;
  --success: #126e54;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(8, 40, 70, .12);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.section { padding: 100px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--paper); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 78px;
  color: #fff;
  transition: background .25s ease, box-shadow .25s ease, height .25s ease;
}
.site-header.scrolled { background: rgba(8,40,70,.96); box-shadow: 0 10px 30px rgba(0,0,0,.16); height: 70px; backdrop-filter: blur(12px); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 295px; }
.brand-logo { width: 48px; height: 48px; flex: 0 0 48px; object-fit: contain; border-radius: 50%; background: transparent; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.25; }
.brand-copy strong { font-size: 14px; font-weight: 700; }
.brand-copy small { font-size: 11px; opacity: .76; letter-spacing: .04em; }
.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.site-nav a { position: relative; font-size: 14px; color: rgba(255,255,255,.86); }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--cyan); transition: right .2s ease; }
.site-nav a:hover::after, .site-nav a.active::after { right: 0; }
.site-nav a:hover, .site-nav a.active { color: #fff; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle { border: 1px solid rgba(255,255,255,.35); border-radius: 999px; color: #fff; background: transparent; padding: 7px 11px; font-size: 12px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; margin-left: auto; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #0f5b98; }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; background: rgba(255,255,255,.07); }
.btn-ghost:hover { background: rgba(255,255,255,.15); }
.btn-small { min-height: 38px; padding: 8px 15px; font-size: 13px; }
.btn-full { width: 100%; border-radius: 12px; }

.hero { position: relative; min-height: 760px; display: grid; align-items: center; color: #fff; overflow: hidden; }
.hero-media, .hero-overlay { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); filter: saturate(.8) contrast(1.04); }
.hero-overlay { background: linear-gradient(90deg, rgba(5,29,51,.96) 0%, rgba(5,29,51,.84) 46%, rgba(5,29,51,.32) 72%, rgba(5,29,51,.5) 100%), linear-gradient(0deg, rgba(5,29,51,.35), transparent); }
.hero-content { position: relative; padding-top: 86px; }
.eyebrow { margin: 0 0 16px; color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(28px, calc(4.667vw - 2.667px), 52px); line-height: 1.05; letter-spacing: -.045em; }
.hero-lead { max-width: 690px; margin: 28px 0 0; font-size: 18px; color: rgba(255,255,255,.8); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 0; margin-top: 70px; }
.hero-stats div { min-width: 170px; padding: 0 34px; border-left: 1px solid rgba(255,255,255,.28); }
.hero-stats div:first-child { padding-left: 0; border-left: 0; }
.hero-stats strong, .hero-stats span { display: block; }
.hero-stats strong { font-size: 24px; }
.hero-stats span { margin-top: 4px; color: rgba(255,255,255,.62); font-size: 12px; }

.split-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: start; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4.5vw, 58px); line-height: 1.12; letter-spacing: -.035em; }
.section-heading.compact h2 { font-size: clamp(32px, 4vw, 46px); }
.section-heading.centered { max-width: 760px; margin: 0 auto 50px; text-align: center; }
.section-heading.centered p:last-child { color: var(--muted); }
.intro-copy p { margin: 0 0 18px; color: var(--muted); font-size: 18px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 12px; color: var(--blue); font-weight: 700; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 70px; background: var(--line); border: 1px solid var(--line); }
.feature-card { min-height: 260px; padding: 36px; background: var(--paper); }
.feature-number { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.feature-card h3 { margin: 55px 0 10px; font-size: 22px; }
.feature-card p { margin: 0; color: var(--muted); }

.products-section { background: var(--surface); }
.section-topline { display: grid; grid-template-columns: 1fr .75fr; gap: 50px; align-items: end; }
.section-note { margin: 0 0 5px; color: var(--muted); }
.product-tools { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; margin-top: 38px; }
.search-box { width: min(100%, 390px); position: relative; }
.search-box svg { position: absolute; left: 16px; top: 50%; width: 20px; transform: translateY(-50%); fill: none; stroke: var(--muted); stroke-width: 1.8; }
.search-box input { width: 100%; height: 50px; padding: 0 18px 0 48px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--ink); outline: none; }
.search-box input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(23,105,170,.10); }
.filter-list { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button { border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--muted); padding: 9px 14px; font-size: 13px; }
.filter-button.active, .filter-button:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.product-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 34px; }
.product-card { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(23,105,170,.28); }
.product-card button { display: block; width: 100%; padding: 0; border: 0; background: transparent; text-align: left; color: inherit; }
.product-card button:focus-visible { outline: 3px solid rgba(23,105,170,.38); outline-offset: -3px; }
.product-preview-trigger { position: relative; cursor: zoom-in; }
.product-detail-trigger { cursor: pointer; }
.product-image { position: relative; height: 215px; overflow: hidden; background: #edf2f5; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-image img, .product-preview-trigger:hover .product-image img { transform: scale(1.045); }
.image-preview-hint { position: absolute; right: 14px; bottom: 14px; display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border-radius: 999px; color: #fff; background: rgba(8,40,70,.88); font-size: 11px; font-weight: 700; opacity: 0; transform: translateY(5px); transition: opacity .2s ease, transform .2s ease; }
.image-preview-hint svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; }
.product-preview-trigger:hover .image-preview-hint, .product-preview-trigger:focus-visible .image-preview-hint { opacity: 1; transform: translateY(0); }
.product-country { position: absolute; left: 14px; top: 14px; padding: 6px 10px; border-radius: 999px; background: rgba(8,40,70,.9); color: #fff; font-size: 11px; }
.product-body { padding: 22px; }
.product-category { margin: 0; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.product-card h3 { margin: 9px 0 8px; font-size: 19px; line-height: 1.35; }
.product-card .english-title { min-height: 36px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.product-more { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; color: var(--blue); font-size: 13px; font-weight: 700; }
.empty-state { margin: 40px 0 0; padding: 34px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; color: var(--muted); }

.capabilities { background: var(--navy); color: #fff; }
.capabilities .section-heading.centered p:last-child { color: rgba(255,255,255,.66); }
.capability-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.capability-card { min-height: 280px; padding: 30px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.04); }
.capability-icon { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid rgba(88,185,214,.65); color: var(--cyan); font-weight: 800; }
.capability-card h3 { margin: 62px 0 10px; font-size: 22px; }
.capability-card p { margin: 0; color: rgba(255,255,255,.62); font-size: 14px; }

.partners { padding: 72px 0; }
.logo-strip { display: grid; grid-template-columns: repeat(8,1fr); gap: 18px; align-items: center; margin-top: 38px; }
.logo-strip img { width: 100%; max-height: 55px; object-fit: contain; filter: grayscale(1); opacity: .64; transition: filter .2s ease, opacity .2s ease; }
.logo-strip img:hover { filter: none; opacity: 1; }

.contact-section { background: var(--blue-light); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.contact-intro h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.12; }
.contact-intro > p:not(.eyebrow) { margin: 24px 0 30px; color: var(--muted); }
.company-profile-copy { font-size: 16px; line-height: 1.9; }
.company-profile-copy p { margin: 0; }
.company-profile-copy p + p { margin-top: 20px; }
.office-list { display: grid; gap: 16px; }
.office-card { padding: 30px; border: 1px solid rgba(8,40,70,.12); border-radius: 16px; background: rgba(255,255,255,.78); box-shadow: 0 12px 30px rgba(8,40,70,.06); }
.office-label { margin: 0 0 8px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.office-card h3 { margin: 0 0 18px; font-size: 20px; }
.office-card address { display: grid; gap: 10px; color: var(--muted); font-style: normal; }
.contact-detail-row { display: grid; grid-template-columns: 88px minmax(0,1fr); gap: 10px; align-items: start; }
.contact-detail-row strong { color: var(--navy); font-weight: 700; }
.contact-detail-row > span { overflow-wrap: anywhere; }
.office-card a:hover { color: var(--blue); }

.site-footer { padding: 36px 0; background: #051d33; color: rgba(255,255,255,.7); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; align-items: center; font-size: 12px; }
.footer-inner div { display: flex; flex-direction: column; }
.footer-inner strong { color: #fff; font-size: 14px; }
.footer-inner p { margin: 0; }
.back-top { position: fixed; right: 22px; bottom: 22px; z-index: 50; width: 44px; height: 44px; border: 0; border-radius: 50%; color: #fff; background: var(--blue); opacity: 0; pointer-events: none; transform: translateY(12px); transition: .2s ease; box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.back-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(4,19,33,.76); backdrop-filter: blur(5px); }
.modal-panel { position: relative; z-index: 1; width: min(920px, 100%); max-height: min(88vh, 920px); overflow: auto; border-radius: 20px; background: var(--paper); box-shadow: 0 30px 90px rgba(0,0,0,.35); }
.modal-close { position: sticky; float: right; top: 16px; right: 16px; z-index: 4; width: 40px; height: 40px; border: 0; border-radius: 50%; color: var(--ink); background: rgba(255,255,255,.9); font-size: 25px; line-height: 1; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.product-modal-hero { display: grid; grid-template-columns: 1fr 1fr; min-height: 410px; }
.product-modal-image { position: relative; min-height: 390px; padding: 0; border: 0; background: var(--surface); cursor: zoom-in; overflow: hidden; }
.product-modal-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.product-modal-image:hover img { transform: scale(1.025); }
.image-zoom-badge { position: absolute; right: 18px; bottom: 18px; display: inline-flex; align-items: center; gap: 7px; padding: 9px 12px; border-radius: 999px; color: #fff; background: rgba(8,40,70,.9); font-size: 12px; font-weight: 700; }
.image-zoom-badge svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
.product-modal-copy { padding: 54px 44px 44px; }
.product-modal-copy .product-category { margin-bottom: 12px; }
.product-modal-copy h2 { margin: 0; font-size: 34px; line-height: 1.15; }
.product-modal-copy .product-en { margin: 10px 0 0; color: var(--muted); }
.product-modal-copy .description { margin: 28px 0; color: var(--muted); }
.detail-list { display: grid; gap: 10px; margin: 0 0 28px; padding: 0; list-style: none; }
.detail-list li { position: relative; padding-left: 20px; }
.detail-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.download-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.download-link { display: inline-flex; align-items: center; min-height: 40px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--blue); font-size: 12px; font-weight: 700; }
.download-link:hover { border-color: var(--blue); }
.product-modal-gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; padding: 0 44px 44px; }
.product-modal-gallery button { width: 100%; padding: 0; border: 0; border-radius: 10px; background: transparent; cursor: zoom-in; overflow: hidden; }
.product-modal-gallery button:focus-visible { outline: 3px solid rgba(23,105,170,.38); outline-offset: 3px; }
.product-modal-gallery img { width: 100%; height: 160px; object-fit: cover; border-radius: 10px; background: var(--surface); transition: transform .25s ease; }
.product-modal-gallery button:hover img { transform: scale(1.04); }
.inquiry-panel { width: min(720px,100%); padding: 48px; }
.inquiry-panel h2 { margin: 0; font-size: 36px; }
.modal-lead { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inquiry-panel form { display: grid; gap: 16px; margin-top: 28px; }
.inquiry-panel label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; }
.inquiry-panel input, .inquiry-panel select, .inquiry-panel textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 13px; background: #fff; color: var(--ink); outline: none; }
.inquiry-panel input:focus, .inquiry-panel select:focus, .inquiry-panel textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(23,105,170,.1); }


.image-lightbox { z-index: 420; padding: 20px; }
.image-lightbox .modal-backdrop { background: rgba(2,12,22,.92); }
.lightbox-panel { position: relative; z-index: 1; width: min(1240px, 100%); display: grid; grid-template-columns: 56px minmax(0,1fr) 56px; align-items: center; gap: 14px; }
.lightbox-figure { min-width: 0; margin: 0; text-align: center; }
.lightbox-figure img { width: auto; max-width: 100%; max-height: 82vh; margin: 0 auto; object-fit: contain; border-radius: 12px; background: #061a2b; box-shadow: 0 22px 70px rgba(0,0,0,.45); }
.lightbox-figure figcaption { display: flex; justify-content: space-between; gap: 18px; margin-top: 12px; color: rgba(255,255,255,.86); font-size: 13px; text-align: left; }
#lightbox-count { flex: 0 0 auto; color: rgba(255,255,255,.58); }
.lightbox-close { position: absolute; z-index: 3; right: 0; top: -52px; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #fff; background: rgba(8,40,70,.72); font-size: 28px; line-height: 1; }
.lightbox-nav { width: 50px; height: 58px; border: 1px solid rgba(255,255,255,.22); border-radius: 14px; color: #fff; background: rgba(8,40,70,.66); font-size: 38px; line-height: 1; transition: background .2s ease, opacity .2s ease; }
.lightbox-nav:hover { background: rgba(23,105,170,.92); }
.lightbox-nav:disabled { opacity: .25; cursor: default; }

@media (max-width: 1060px) {
  .header-actions .btn { display: none; }
  .site-nav { gap: 16px; }
  .brand { min-width: 260px; }
  .product-grid { grid-template-columns: repeat(2,1fr); }
  .capability-grid { grid-template-columns: repeat(2,1fr); }
  .logo-strip { grid-template-columns: repeat(4,1fr); }
}

@media (max-width: 820px) {
  .section { padding: 76px 0; }
  .site-header { background: rgba(8,40,70,.96); height: 70px; }
  .brand { min-width: 0; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { display: none; }
  .menu-toggle { display: block; order: 3; }
  .header-actions { margin-left: auto; }
  .site-nav { position: absolute; top: 70px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 20px 22px; background: rgba(8,40,70,.98); border-top: 1px solid rgba(255,255,255,.1); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; }
  .site-nav a::after { display: none; }
  .hero { min-height: 690px; }
  .hero h1 { font-size: clamp(25.333px, calc(6.667vw - 2.667px), 40px); }
  .hero-stats { margin-top: 52px; }
  .hero-stats div { min-width: 33%; padding: 0 16px; }
  .split-grid, .section-topline, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-card h3 { margin-top: 28px; }
  .product-modal-hero { grid-template-columns: 1fr; }
  .product-modal-image { min-height: 300px; max-height: 360px; }
  .product-modal-copy { padding: 34px 28px 28px; }
  .product-modal-gallery { padding: 0 28px 34px; grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 560px) {
  .image-preview-hint { opacity: 1; transform: none; }
  .lightbox-panel { grid-template-columns: 40px minmax(0,1fr) 40px; gap: 6px; }
  .lightbox-nav { width: 38px; height: 48px; border-radius: 10px; font-size: 30px; }
  .lightbox-close { top: -48px; }
  .lightbox-figure figcaption { font-size: 12px; }

  .container { width: min(100% - 26px, var(--container)); }
  .section { padding: 62px 0; }
  .brand-logo { width: 40px; height: 40px; flex-basis: 40px; }
  .brand-copy strong { max-width: 180px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .hero { min-height: 730px; }
  .hero-content { padding-top: 100px; }
  .hero-lead { font-size: 16px; }
  .hero-stats { display: grid; grid-template-columns: 1fr; gap: 18px; }
  .hero-stats div { min-width: 0; padding: 0 0 0 16px; border-left: 1px solid rgba(255,255,255,.28); }
  .product-grid, .capability-grid { grid-template-columns: 1fr; }
  .product-tools { align-items: stretch; }
  .search-box { width: 100%; }
  .filter-list { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .filter-button { flex: 0 0 auto; }
  .contact-detail-row { grid-template-columns: 1fr; gap: 2px; }
  .logo-strip { grid-template-columns: repeat(2,1fr); }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .modal { padding: 10px; }
  .modal-panel { max-height: 94vh; border-radius: 14px; }
  .product-modal-copy h2, .inquiry-panel h2 { font-size: 28px; }
  .product-modal-gallery { grid-template-columns: 1fr; }
  .product-modal-gallery img { height: 190px; }
  .inquiry-panel { padding: 38px 22px 24px; }
  .form-grid { grid-template-columns: 1fr; }
}


/* v4: grouped product categories and dedicated product pages */
.category-overview { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:38px; }
.category-summary { min-height:144px; display:grid; grid-template-columns:1fr; align-content:start; gap:7px; padding:24px; border:1px solid var(--line); border-radius:16px; background:var(--paper); color:var(--ink); text-align:left; transition:.2s ease; }
.category-summary:hover,.category-summary.active { border-color:var(--blue); box-shadow:0 10px 30px rgba(8,40,70,.08); transform:translateY(-2px); }
.category-summary-label { color:var(--blue); font-weight:800; }
.category-summary small { color:var(--muted); line-height:1.5; }
.product-group-section { margin-top:50px; }
.product-group-heading { display:flex; align-items:end; justify-content:space-between; gap:20px; padding-bottom:17px; border-bottom:1px solid var(--line); }
.product-group-heading .eyebrow { margin-bottom:8px; }
.product-group-heading h3 { margin:0; font-size:32px; line-height:1.15; }
.product-group-section .product-grid { margin-top:24px; }
.product-media-wrap { position:relative; }
.product-page-link { display:block; height:100%; }
.product-page-link:focus-visible { outline:3px solid rgba(23,105,170,.38); outline-offset:-3px; }
.product-card { display:flex; flex-direction:column; }
.product-card .product-page-link { flex:1; }
.product-card .product-body { height:100%; display:flex; flex-direction:column; }
.product-card .product-more { margin-top:auto; padding-top:20px; }
.capability-grid-three { grid-template-columns:repeat(3,1fr); }
.category-jump { cursor:pointer; }
.category-jump:hover { background:rgba(255,255,255,.1); }

.product-page { background:var(--surface); }
.product-page .site-header { background:rgba(8,40,70,.98); box-shadow:0 10px 30px rgba(0,0,0,.14); height:70px; }
.detail-lang-toggle { flex:0 0 auto; min-width:44px; height:38px; margin-left:14px; padding:0 12px; border:1px solid rgba(255,255,255,.34); border-radius:999px; color:#fff; background:transparent; font-size:12px; font-weight:700; cursor:pointer; transition:.2s ease; }
.detail-lang-toggle:hover { border-color:#fff; background:rgba(255,255,255,.1); }
.product-page-main { padding-top:70px; }
.product-breadcrumb { padding:24px 0; color:var(--muted); font-size:13px; }
.product-breadcrumb a { color:var(--blue); }
.product-detail-shell { background:var(--paper); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.product-detail-grid { display:grid; grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr); gap:64px; padding-top:62px; padding-bottom:70px; align-items:start; }
.product-main-image { position:relative; width:100%; min-height:480px; padding:0; border:1px solid var(--line); border-radius:18px; background:var(--surface); overflow:hidden; cursor:zoom-in; }
.product-main-image img { width:100%; height:480px; object-fit:contain; }
.product-main-image .image-zoom-badge { opacity:.92; }
.product-thumbnails { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin-top:12px; }
.product-thumbnails button { height:90px; padding:0; border:1px solid var(--line); border-radius:10px; background:var(--paper); overflow:hidden; }
.product-thumbnails img { width:100%; height:100%; object-fit:cover; }
.product-thumbnails button:hover { border-color:var(--blue); }
.product-detail-copy .product-category { font-size:12px; }
.product-detail-copy h1 { margin:12px 0 0; font-size:clamp(34px,4.2vw,54px); line-height:1.12; letter-spacing:-.035em; }
.product-detail-copy .product-en { margin:13px 0 0; color:var(--muted); font-size:15px; }
.product-detail-copy .description { margin:32px 0 0; color:var(--muted); font-size:17px; }
.product-detail-copy .detail-list { margin-top:28px; }
.product-meta { display:grid; grid-template-columns:repeat(2,1fr); gap:1px; margin-top:30px; border:1px solid var(--line); background:var(--line); }
.product-meta div { padding:16px; background:var(--paper); }
.product-meta small,.product-meta strong { display:block; }
.product-meta small { color:var(--muted); font-size:11px; }
.product-meta strong { margin-top:4px; font-size:14px; }
.product-actions { display:flex; flex-wrap:wrap; gap:10px; margin-top:30px; }
.product-downloads { margin-top:22px; }
.product-page-section { padding:72px 0; }
.product-page-section h2 { margin:0 0 24px; font-size:32px; }
.product-inquiry-box { display:grid; grid-template-columns:1fr auto; gap:30px; align-items:center; padding:36px; border-radius:18px; background:var(--navy); color:#fff; }
.product-inquiry-box h2 { margin:0; }
.product-inquiry-box p { margin:10px 0 0; color:rgba(255,255,255,.7); }
.product-related-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.related-card { overflow:hidden; border:1px solid var(--line); border-radius:14px; background:var(--paper); }
.related-card img { width:100%; height:170px; object-fit:cover; background:var(--surface); }
.related-card div { padding:17px; }
.related-card small { color:var(--blue); }
.related-card h3 { margin:6px 0 0; font-size:17px; line-height:1.35; }
.product-page .site-footer { margin-top:0; }
.product-page-lang { border:1px solid rgba(255,255,255,.35); border-radius:999px; color:#fff; background:transparent; padding:7px 11px; font-size:12px; }

@media(max-width:820px){.category-overview,.capability-grid-three{grid-template-columns:1fr}.product-detail-grid{grid-template-columns:1fr;gap:34px}.product-main-image,.product-main-image img{min-height:0;height:360px}.product-related-grid{grid-template-columns:repeat(2,1fr)}.product-inquiry-box{grid-template-columns:1fr}.product-detail-grid{padding-top:42px;padding-bottom:50px}}
@media(max-width:560px){.category-summary{min-height:0}.product-group-heading{align-items:start}.product-group-heading h3{font-size:27px}.product-main-image,.product-main-image img{height:280px}.product-thumbnails{grid-template-columns:repeat(3,1fr)}.product-thumbnails button{height:74px}.product-meta{grid-template-columns:1fr}.product-related-grid{grid-template-columns:1fr}.product-inquiry-box{padding:26px}.product-detail-copy h1{font-size:34px}}


/* v5: twelve dedicated product pages */
.detail-page-wrap{background:var(--surface);min-height:100vh}.detail-hero{padding:54px 0 50px;background:linear-gradient(135deg,#fff 0,#f4f8fb 68%,#eaf4fb 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.detail-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:46px;align-items:center}.detail-kicker{margin:0 0 13px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.detail-title{margin:0;font-size:clamp(34px,4.7vw,58px);line-height:1.12;letter-spacing:-.035em}.detail-title.detail-title-small{font-size:clamp(30px,3.7vw,48px)}.detail-title .title-line{display:block}.detail-title .title-line-product{margin-top:.08em;font-size:.78em;letter-spacing:-.02em}.detail-subtitle{margin:14px 0 0;color:var(--muted);font-size:16px}.detail-intro{max-width:820px;margin:24px 0 0;color:#425565;font-size:17px}.detail-intro.detail-intro-large{font-size:21px;line-height:1.7}.detail-logo-box{display:flex;align-items:center;justify-content:center;min-height:160px;padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}.detail-logo-box img{max-height:86px;max-width:210px;object-fit:contain}.detail-content{padding:64px 0 82px}.detail-content-stack{display:grid;gap:26px}.content-panel{padding:34px;border:1px solid var(--line);border-radius:18px;background:#fff}.content-panel h2,.content-panel h3{margin:0;color:var(--navy)}.content-panel h2{font-size:30px}.content-panel h3{font-size:22px}.content-panel p{color:#415565}.two-column{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;align-items:center}.two-column.visual-wide{grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr)}.image-panel{margin:0}.detail-image-button{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:14px;background:#f7fafc;overflow:hidden;cursor:zoom-in}.detail-image-button img{width:100%;height:auto;max-height:560px;object-fit:contain}.detail-image-button.compact img{height:260px}.detail-image-button.natural-size img{width:auto;max-width:100%;height:auto;margin:0 auto}.image-caption{margin-top:8px;color:var(--muted);font-size:12px}.spec-list{margin:18px 0 0;padding-left:20px}.spec-list li{margin:8px 0;color:#2f4558}.check-list{list-style:none;margin:18px 0 0;padding:0}.check-list li{position:relative;margin:10px 0;padding-left:25px;color:#2f4558}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--success);font-weight:800}.section-label{display:inline-flex;margin-bottom:10px;padding:6px 10px;border-radius:999px;background:var(--blue-light);color:var(--blue);font-size:12px;font-weight:800}.model-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.model-card{padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff}.model-card h3{margin:18px 0 0;font-size:22px}.model-card .detail-image-button img{height:240px}.model-card .download-link{margin-top:18px}.technology-row{display:grid;grid-template-columns:290px minmax(0,1fr);gap:34px;align-items:center}.technology-row+.technology-row{padding-top:30px;border-top:1px solid var(--line)}.technology-badge{border:0;background:transparent;padding:0}.technology-badge img{width:100%;height:auto}.page-downloads{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.page-bottom-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;margin-top:34px}.page-bottom-nav a{display:block;padding:15px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--navy);font-weight:700}.page-bottom-nav .next{text-align:right}.page-bottom-nav .all{text-align:center;background:var(--navy);color:#fff}.empty-detail{min-height:340px;display:grid;place-items:center;text-align:center}.empty-detail-inner{max-width:560px}.empty-detail-icon{width:72px;height:72px;display:grid;place-items:center;margin:0 auto 22px;border-radius:50%;background:var(--blue-light);color:var(--blue);font-size:30px}.empty-detail h2{margin:0;font-size:30px}.empty-detail p{margin:12px 0 0;color:var(--muted)}.detail-contact{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:30px;border-radius:18px;background:var(--navy);color:#fff}.detail-contact h2{margin:0;font-size:28px}.detail-contact p{margin:7px 0 0;color:rgba(255,255,255,.72)}
.detail-title-one-line{font-size:clamp(28px,3vw,44px);white-space:nowrap}
.detail-title-mahr{font-size:clamp(26px,3.2vw,42px)}
.synztec-page .detail-title{font-size:clamp(30px,3.8vw,50px)}
.synztec-page .detail-intro{font-size:21px}
.detail-hero-grid.no-logo{grid-template-columns:minmax(0,1fr)}
.page-bottom-nav.single{grid-template-columns:auto;justify-content:center}.page-bottom-nav.single .all{min-width:180px}
.detail-contact{scroll-margin-top:90px}.detail-contact-info{display:grid;gap:7px;min-width:min(100%,430px)}.detail-contact-info p{margin:0}.detail-contact-info strong{color:#fff}
.product-page .site-nav.product-detail-nav{display:flex}.detail-page-wrap .site-footer{margin-top:0}
@media(max-width:820px){.detail-hero-grid,.two-column,.two-column.visual-wide,.technology-row{grid-template-columns:1fr}.detail-logo-box{max-width:300px}.model-grid{grid-template-columns:1fr}.content-panel{padding:25px}.detail-content{padding:45px 0 60px}.page-bottom-nav{grid-template-columns:1fr}.page-bottom-nav .next{text-align:left}.product-page .site-nav.product-detail-nav{display:none}}
@media(max-width:820px){.detail-title-one-line{white-space:normal}}
@media(max-width:560px){.detail-hero{padding:38px 0}.detail-title{font-size:34px}.content-panel h2{font-size:26px}.model-card .detail-image-button img,.detail-image-button.compact img{height:auto}.detail-contact{padding:24px}.detail-contact h2{font-size:24px}}