:root {
  --orange: #ed7c30;
  --orange-dark: #c95e19;
  --ink: #171717;
  --charcoal: #202221;
  --muted: #5f6462;
  --paper: #f6f6f3;
  --white: #fff;
  --line: rgba(23, 23, 23, .16);
  --shadow: 0 24px 70px rgba(15, 18, 17, .12);
  --shell: min(1320px, calc(100vw - 80px));
  --sans: Inter, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body, button, input, textarea { font-family: var(--sans); }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
p { color: var(--muted); }
.section-shell { width: var(--shell); margin-inline: auto; }
.page-section, .detail-section { padding-block: 112px; }
.eyebrow { margin-bottom: 18px; color: var(--orange); font-size: 12px; font-weight: 800; letter-spacing: .17em; line-height: 1.4; text-transform: uppercase; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 80px; align-items: end; margin-bottom: 56px; }
.section-heading h2 { max-width: 780px; margin: 0; font-size: clamp(34px, 4vw, 60px); font-weight: 690; }
.section-heading > p { max-width: 560px; margin: 0; font-size: 18px; }
.section-heading.light h2, .section-heading.light > p { color: var(--white); }
.button { display: inline-flex; min-height: 50px; padding: 13px 22px; align-items: center; justify-content: center; gap: 28px; border: 1px solid transparent; font-size: 14px; font-weight: 750; letter-spacing: .02em; transition: color .2s, background .2s, border .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: var(--orange-dark); }
.button-secondary { color: var(--ink); border-color: currentColor; background: transparent; }
.button-secondary:hover { color: var(--orange); }
.button-small { min-height: 42px; padding: 9px 17px; }

.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.96); backdrop-filter: blur(16px); }
.header-inner { width: var(--shell); min-height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: flex; align-items: center; gap: 16px; min-width: 260px; }
.brand img { width: 132px; height: auto; }
.brand span { display: grid; border-left: 1px solid var(--line); padding-left: 15px; line-height: 1.15; }
.brand strong { font-size: 13px; letter-spacing: .04em; }
.brand small { margin-top: 5px; color: var(--muted); font-size: 9px; letter-spacing: .18em; }
.desktop-nav, .header-actions { display: flex; align-items: center; gap: 28px; }
.desktop-nav a, .language-link { position: relative; font-size: 14px; font-weight: 650; }
.desktop-nav a::after { position: absolute; right: 0; bottom: -9px; left: 0; height: 2px; content: ""; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { transform: scaleX(1); }
.menu-toggle, .mobile-menu { display: none; }

.hero { position: relative; min-height: 760px; display: grid; align-items: end; overflow: hidden; color: var(--white); background: var(--charcoal); }
.hero-media, .hero-overlay { position: absolute; inset: 0; }
.hero-image { height: 100%; object-fit: cover; object-position: center 45%; }
.hero-overlay { background: linear-gradient(90deg, rgba(17,18,18,.9) 0%, rgba(17,18,18,.72) 42%, rgba(17,18,18,.12) 80%), linear-gradient(0deg, rgba(17,18,18,.42), transparent 55%); }
.hero-content { position: relative; z-index: 2; padding-block: 128px 104px; }
.hero h1 { max-width: 930px; margin: 0 0 28px; font-size: clamp(52px, 6.7vw, 96px); font-weight: 680; letter-spacing: -.055em; }
html[lang="zh-CN"] .hero h1 { max-width: 1080px; font-size: clamp(50px, 5.8vw, 82px); }
.hero-content > p:not(.eyebrow) { max-width: 750px; margin-bottom: 36px; color: rgba(255,255,255,.78); font-size: 19px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .button-secondary { color: var(--white); }

.product-intro { padding-bottom: 128px; }
.system-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.system-card { position: relative; min-height: 400px; overflow: hidden; background: var(--paper); }
.system-card a { display: block; height: 100%; }
.system-card img { width: 100%; height: 400px; object-fit: cover; transition: transform .55s ease; }
.system-card:hover img { transform: scale(1.025); }
.system-card div { position: absolute; inset: auto 0 0; padding: 70px 30px 28px; color: white; background: linear-gradient(transparent, rgba(20,21,21,.88)); }
.system-card p { margin: 0 0 6px; color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.system-card h3 { margin: 0; font-size: 31px; }
.system-card span { float: right; margin-top: -25px; font-size: 13px; font-weight: 700; }

.material-section { padding-block: 120px; color: var(--white); background: var(--charcoal); }
.material-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.material-card { overflow: hidden; border: 1px solid rgba(255,255,255,.15); background: #292b2a; }
.material-card > img { height: 390px; object-fit: cover; }
.material-card > div { padding: 38px; }
.material-card h3 { margin-bottom: 16px; font-size: 34px; }
.material-card p { color: rgba(255,255,255,.65); }
.material-card ul { display: flex; padding: 0; margin: 25px 0 32px; gap: 8px; flex-wrap: wrap; list-style: none; }
.material-card li { padding: 8px 11px; border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.8); font-size: 12px; }
.material-card .button-secondary { color: var(--white); }
.other-strip { min-height: 190px; display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.other-strip h2 { margin: 0; font-size: 35px; }
.other-strip .eyebrow { margin-bottom: 10px; }
.other-strip > a { display: flex; min-width: min(420px, 50vw); padding: 22px 0; justify-content: space-between; border-bottom: 1px solid var(--ink); font-size: 21px; font-weight: 700; transition: color .2s, padding .2s; }
.other-strip > a:hover { padding-left: 8px; color: var(--orange); }

.finder-section { padding-block: 120px; background: var(--paper); }
.finder-grid { border-top: 1px solid var(--line); }
.finder-group { display: grid; grid-template-columns: 80px 260px 1fr; padding: 32px 0; border-bottom: 1px solid var(--line); }
.finder-group > div:last-child { display: contents; }
.finder-index { color: var(--orange); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.finder-group h3 { padding-right: 32px; margin: 0; font-size: 21px; letter-spacing: -.015em; }
.finder-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 30px; }
.finder-links a { min-height: 48px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(23,23,23,.09); font-size: 17px; font-weight: 610; }
.finder-links a span:last-child { transform: translateX(0); transition: transform .2s; }
.finder-links a:hover { color: var(--orange); }
.finder-links a:hover span:last-child { transform: translateX(4px); }

.industries-section { padding-block: 110px; color: var(--white); background: var(--ink); }
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.22); border-left: 1px solid rgba(255,255,255,.22); }
.industry-grid div { min-height: 150px; display: flex; padding: 24px; flex-direction: column; justify-content: space-between; border-right: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.industry-grid span { color: var(--orange); font-size: 11px; }
.industry-grid strong { font-size: 21px; }

.customer-preview { padding-bottom: 130px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px 20px; }
.gallery-card { width: 100%; padding: 0; border: 0; text-align: left; background: transparent; cursor: zoom-in; }
.gallery-card img { aspect-ratio: 4 / 3; object-fit: cover; filter: saturate(.88); transition: filter .2s, transform .35s; }
.gallery-card:hover img { filter: saturate(1); transform: translateY(-4px); }
.gallery-card span { display: block; padding-top: 13px; font-size: 17px; font-weight: 700; }
.center-action { display: flex; margin-top: 50px; justify-content: center; }

.about-section { padding-block: 120px; background: var(--paper); }
.about-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 80px; align-items: center; }
.about-grid .section-heading { display: block; margin-bottom: 30px; }
.about-grid p { font-size: 17px; }
.about-grid figure { margin: 0; }
.about-grid figure img { aspect-ratio: 4 / 4.2; object-fit: cover; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin-block: 90px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.metrics div { min-height: 170px; display: flex; padding: 30px; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metrics strong { color: var(--orange); font-size: clamp(34px, 4vw, 55px); letter-spacing: -.04em; }
.metrics span { color: var(--muted); font-size: 14px; }
.logo-wall h3 { margin-bottom: 28px; font-size: 26px; }
.logo-grid { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: var(--white); }
.logo-grid div { min-height: 110px; display: grid; padding: 25px; place-items: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logo-grid img { max-width: 120px; max-height: 54px; object-fit: contain; filter: grayscale(1); opacity: .72; }
.logo-grid div:hover img { filter: grayscale(0); opacity: 1; }
.logo-wall > p { max-width: 920px; margin: 20px 0 0; font-size: 12px; }

.contact-band { padding-block: 100px; color: var(--white); background: var(--orange); }
.contact-band-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 100px; align-items: end; }
.contact-band h2 { max-width: 760px; margin-bottom: 23px; font-size: clamp(40px, 5vw, 72px); }
.contact-band p { max-width: 720px; color: rgba(255,255,255,.82); font-size: 18px; }
.contact-band .eyebrow { color: var(--ink); }
.contact-band .button { margin-top: 18px; background: var(--ink); }
.contact-details { display: grid; }
.contact-details > * { display: grid; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.4); }
.contact-details small { font-size: 10px; letter-spacing: .16em; }
.contact-details strong { margin-top: 3px; font-size: 19px; }

.site-footer { color: rgba(255,255,255,.76); background: #111; }
.footer-main { display: grid; grid-template-columns: 1.65fr repeat(3, 1fr); gap: 70px; padding-block: 78px; }
.footer-main h2 { margin-bottom: 22px; color: var(--white); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.footer-main > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-main a:hover { color: var(--orange); }
.footer-brand img { width: 150px; padding: 8px; margin-bottom: 20px; background: var(--white); }
.footer-brand strong { display: block; color: var(--white); }
.footer-brand > span { font-size: 10px; letter-spacing: .15em; }
.footer-brand p { max-width: 320px; margin: 16px 0 0; color: rgba(255,255,255,.5); font-size: 13px; }
.footer-bottom { display: flex; padding-block: 22px; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); font-size: 11px; letter-spacing: .06em; }
.footer-filing { color: inherit; text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: 3px; }
.footer-filing:hover { color: var(--orange); }

.page-hero { padding-block: 120px 95px; color: var(--white); background: var(--charcoal); }
.page-hero h1 { max-width: 1000px; margin-bottom: 24px; font-size: clamp(48px, 6.5vw, 88px); }
.page-hero > div > p:not(.eyebrow) { max-width: 720px; margin: 0; color: rgba(255,255,255,.68); font-size: 18px; }
.family-list { display: grid; gap: 110px; }
.family-block { scroll-margin-top: 110px; }
.family-intro { display: grid; grid-template-columns: 60px minmax(0, 1fr) minmax(320px, .7fr); gap: 30px; align-items: start; margin-bottom: 50px; }
.family-intro > span { color: var(--orange); font-size: 12px; font-weight: 800; }
.family-intro h2 { margin-bottom: 18px; font-size: clamp(35px, 4vw, 58px); }
.family-intro p { max-width: 700px; font-size: 18px; }
.family-intro img { height: 250px; object-fit: cover; }
.catalog-group { display: grid; grid-template-columns: 320px 1fr; gap: 80px; padding: 34px 0; border-top: 1px solid var(--line); }
.catalog-group h3 { margin-bottom: 12px; font-size: 24px; }
.catalog-group p { font-size: 14px; }
.catalog-products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 30px; }
.catalog-products a { min-height: 55px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 650; }
.catalog-products a:hover { color: var(--orange); }

.detail-hero { min-height: 610px; display: grid; grid-template-columns: 1fr 1fr; background: var(--paper); }
.detail-hero-copy { display: flex; padding: 80px max(40px, calc((100vw - 1320px)/2)); padding-right: clamp(40px, 6vw, 100px); flex-direction: column; justify-content: center; }
.detail-hero h1 { margin-bottom: 22px; font-size: clamp(46px, 5.5vw, 78px); }
.detail-hero h2 { margin-bottom: 20px; color: var(--muted); font-size: 24px; font-weight: 560; line-height: 1.35; letter-spacing: -.02em; }
.detail-hero .button { margin-top: 12px; align-self: flex-start; }
.detail-hero figure { margin: 0; background: #e7e7e2; }
.detail-main-image { height: 100%; object-fit: cover; }
.detail-nav { min-height: 72px; display: flex; align-items: center; gap: 38px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.detail-nav a { white-space: nowrap; font-size: 13px; font-weight: 700; }
.detail-nav a:hover { color: var(--orange); }
.detail-section { scroll-margin-top: 85px; }
.detail-section.muted { background: var(--paper); }
.detail-section.dark { color: var(--white); background: var(--ink); }
.detail-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 50px; }
.detail-gallery img { aspect-ratio: 16/10; object-fit: cover; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.benefit-grid div { min-height: 170px; display: flex; padding: 24px; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-grid span { color: var(--orange); font-size: 11px; }
.benefit-grid strong { font-size: 19px; }
.component-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 20px; }
.component-grid figure { margin: 0; }
.component-grid img { aspect-ratio: 4 / 3; object-fit: cover; background: var(--paper); }
.component-grid figcaption { margin-top: 10px; font-weight: 700; }
.application-list { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.application-list span { min-height: 100px; display: flex; padding: 20px; align-items: flex-end; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); font-size: 18px; font-weight: 700; }
.spec-section { margin-top: 45px; }
.spec-section h3 { font-size: 25px; }
.spec-list { border-top: 1px solid var(--line); }
.spec-list div { display: grid; grid-template-columns: 1fr 1fr; padding: 18px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: var(--muted); }
.spec-list dd { margin: 0; font-weight: 700; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { min-width: 160px; padding: 18px; border: 1px solid var(--line); }
thead th { color: var(--white); background: var(--charcoal); }
.related-section { padding-block: 100px; background: var(--paper); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.related-grid a { display: grid; grid-template-columns: 1fr auto; gap: 15px; align-items: center; background: var(--white); }
.related-grid img { grid-column: 1 / -1; aspect-ratio: 4/3; object-fit: cover; }
.related-grid strong { padding: 0 0 18px 18px; }
.related-grid a > span { padding: 0 18px 18px 0; }

.site-filters { display: flex; margin-bottom: 45px; gap: 8px; flex-wrap: wrap; }
.site-filters button { padding: 9px 15px; border: 1px solid var(--line); background: transparent; cursor: pointer; }
.site-filters button.is-active, .site-filters button:hover { color: var(--white); border-color: var(--orange); background: var(--orange); }
.all-sites > div[hidden] { display: none; }
.lightbox { width: min(1100px, 92vw); padding: 0; border: 0; color: var(--white); background: #101010; box-shadow: var(--shadow); }
.lightbox::backdrop { background: rgba(0,0,0,.85); }
.lightbox img { max-height: 76vh; object-fit: contain; }
.lightbox p { margin: 0; padding: 16px 22px; color: var(--white); }
.lightbox button { position: absolute; z-index: 2; top: 12px; right: 12px; width: 44px; height: 44px; border: 0; color: var(--white); background: rgba(0,0,0,.7); font-size: 28px; cursor: pointer; }

.about-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-page-grid h2 { font-size: 48px; }
.about-page-grid p { font-size: 17px; }
.about-page-grid figure { margin: 0; }
.about-page-grid img { height: 360px; object-fit: cover; }
.resource-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.resource-grid h2 { font-size: 46px; }
.resource-grid ol { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.resource-grid li { display: grid; grid-template-columns: 60px 1fr; padding: 17px 0; border-bottom: 1px solid var(--line); font-weight: 650; }
.resource-grid li span { color: var(--orange); font-size: 11px; }

.contact-page { padding-block: 110px; background: var(--paper); }
.contact-page-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.contact-page h1 { max-width: 650px; font-size: clamp(46px, 5vw, 72px); }
.contact-page-grid > div > p:not(.eyebrow) { font-size: 18px; }
.direct-contact { display: grid; margin-top: 45px; }
.direct-contact > * { display: grid; padding: 14px 0; border-bottom: 1px solid var(--line); }
.direct-contact small { color: var(--orange); font-size: 10px; letter-spacing: .14em; }
.direct-contact strong { font-size: 18px; }
.qr-placeholders { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 35px; }
.qr-placeholders div { display: grid; padding: 12px; gap: 8px; border: 1px dashed var(--line); background: var(--white); }
.qr-placeholders img { aspect-ratio: 1; object-fit: contain; border: 1px solid var(--line); background: var(--paper); }
.qr-placeholders span { font-weight: 700; }
.qr-placeholders small { color: var(--muted); font-size: 10px; }
.inquiry-form { display: grid; padding: 44px; gap: 20px; background: var(--white); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.inquiry-form label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; }
input, textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 0; outline: 0; background: #fbfbf9; font-size: 16px; }
input:focus, textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(237,124,48,.12); }
textarea { resize: vertical; }
.inquiry-form .button { justify-self: start; border: 0; cursor: pointer; }
#form-status { min-height: 24px; margin: 0; font-size: 13px; }
.not-found-actions { padding-block: 60px 120px; }
.boot-screen { min-height: 100vh; display: grid; place-items: center; background: var(--paper); }
.boot-screen img { width: 180px; }

.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }

@media (max-width: 1080px) {
  :root { --shell: min(100% - 48px, 960px); }
  .desktop-nav { display: none; }
  .menu-toggle { width: 42px; height: 42px; display: grid; padding: 11px; gap: 6px; border: 1px solid var(--line); background: transparent; }
  .menu-toggle span { height: 2px; display: block; background: var(--ink); }
  .mobile-menu { position: absolute; top: 82px; right: 0; left: 0; padding: 24px; flex-direction: column; gap: 8px; background: var(--white); box-shadow: 0 18px 30px rgba(0,0,0,.1); }
  .mobile-menu.is-open { display: flex; }
  .mobile-menu a { padding: 12px; border-bottom: 1px solid var(--line); font-weight: 700; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .finder-group { grid-template-columns: 60px 220px 1fr; }
  .finder-links { grid-template-columns: repeat(2, 1fr); }
  .industry-grid, .benefit-grid, .application-list { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
  .contact-band-grid, .contact-page-grid { gap: 55px; }
  .footer-main { grid-template-columns: 1.5fr repeat(3, 1fr); gap: 35px; }
}

@media (max-width: 780px) {
  :root { --shell: calc(100vw - 32px); }
  .page-section, .detail-section, .finder-section, .material-section, .industries-section, .about-section { padding-block: 78px; }
  .header-inner { min-height: 72px; }
  .brand { min-width: 0; }
  .brand img { width: 108px; }
  .brand span, .header-actions .button { display: none; }
  .header-actions { gap: 14px; }
  .mobile-menu { top: 72px; }
  .hero { min-height: 690px; }
  .hero-overlay { background: linear-gradient(90deg, rgba(17,18,18,.89), rgba(17,18,18,.52)), linear-gradient(0deg, rgba(17,18,18,.55), transparent); }
  .hero-content { padding-block: 105px 70px; }
  .hero h1 { font-size: clamp(43px, 12vw, 64px); }
  html[lang="zh-CN"] .hero h1 { font-size: clamp(43px, 12vw, 64px); }
  .hero-content > p:not(.eyebrow) { font-size: 16px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2 { font-size: 36px; }
  .section-heading > p { font-size: 16px; }
  .system-grid, .material-grid, .gallery-grid, .about-grid, .contact-band-grid, .about-page-grid, .resource-grid, .contact-page-grid, .detail-hero { grid-template-columns: 1fr; }
  .system-card, .system-card img { min-height: 330px; height: 330px; }
  .material-card > img { height: 310px; }
  .material-card > div { padding: 28px; }
  .other-strip { padding-block: 36px; flex-direction: column; align-items: flex-start; }
  .other-strip > a { width: 100%; min-width: 0; }
  .finder-group { grid-template-columns: 42px 1fr; }
  .finder-group > div:last-child { display: block; }
  .finder-group h3 { margin-bottom: 15px; }
  .finder-links { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid div { min-height: 120px; }
  .gallery-grid { gap: 30px; }
  .about-grid { gap: 40px; }
  .about-grid figure img { aspect-ratio: 4/3; }
  .metrics { grid-template-columns: 1fr; margin-block: 60px; }
  .metrics div { min-height: 135px; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-band { padding-block: 75px; }
  .contact-band h2 { font-size: 43px; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 7px; }
  .page-hero { padding-block: 85px 70px; }
  .page-hero h1 { font-size: 48px; }
  .family-intro { grid-template-columns: 40px 1fr; }
  .family-intro img { grid-column: 1 / -1; height: 250px; }
  .catalog-group { grid-template-columns: 1fr; gap: 15px; }
  .catalog-products { grid-template-columns: 1fr; }
  .detail-hero figure { min-height: 390px; grid-row: 1; }
  .detail-hero-copy { padding: 55px 24px 70px; }
  .detail-nav { width: 100%; padding-inline: 16px; }
  .benefit-grid, .application-list, .component-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-list div { grid-template-columns: 1fr; gap: 4px; }
  .about-page-grid { gap: 40px; }
  .contact-page-grid { gap: 50px; }
  .inquiry-form { padding: 28px 20px; }
}

@media (max-width: 500px) {
  .hero-actions, .hero-actions .button { width: 100%; }
  .hero-actions .button { justify-content: space-between; }
  .industry-grid, .benefit-grid, .application-list, .component-grid, .related-grid { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main, .form-row { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .qr-placeholders { grid-template-columns: repeat(2, 1fr); }
}