:root {
  --navy: #102a43;
  --navy-dark: #0b1f33;
  --blue: #1769aa;
  --blue-light: #eaf3f9;
  --text: #17212b;
  --muted: #5c6873;
  --line: #cfd8df;
  --light-line: #e6ebef;
  --surface: #f5f7f8;
  --card-surface: #f1f6f9;
  --white: #fff;
  --container: 1280px;
  --box-radius: 8px;
  --box-border: 2px;
  --card-shadow: 5px 5px 14px rgba(16,42,67,.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: Arial, "Microsoft JhengHei", sans-serif; line-height: 1.65; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.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; z-index: 100; left: 16px; top: -60px; padding: 10px 16px; color: #fff; background: var(--blue); }
.skip-link:focus { top: 12px; }

.site-header { position: relative; z-index: 20; color: #fff; background: var(--navy-dark); border-bottom: 3px solid var(--blue); }
.header-inner { width: min(calc(100% - 48px), var(--container)); min-height: 78px; margin-inline: auto; display: flex; align-items: center; gap: 40px; }
.brand { min-width: 225px; padding: 7px 0; display: inline-flex; flex: 0 0 auto; align-items: center; gap: 11px; }
.brand img { width: 40px; height: 55px; flex: 0 0 auto; }
.brand-copy { min-width: 0; display: grid; gap: 2px; line-height: 1.15; }
.brand-copy strong { color: #fff; font-size: 17px; letter-spacing: .02em; white-space: nowrap; }
.brand-copy small { color: #aabfce; font-size: 11px; font-weight: 700; letter-spacing: .03em; white-space: nowrap; }
.desktop-nav { display: flex; align-self: stretch; align-items: stretch; margin-left: auto; }
.desktop-nav a { min-width: 94px; padding: 0 18px; display: grid; place-items: center; color: #dbe7ef; border-left: 1px solid rgba(255,255,255,.1); font-weight: 700; font-size: 15px; }
.desktop-nav a:last-child { border-right: 1px solid rgba(255,255,255,.1); }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.1); box-shadow: inset 0 -3px 0 #5ab0e6; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.language-switch { display: flex; align-items: center; gap: 5px; color: #7f94a4; font-size: 13px; }
.language-switch button { min-width: 32px; min-height: 44px; padding: 0; border: 0; color: #9eb0be; background: transparent; cursor: pointer; }
.language-switch button.is-active { color: #fff; font-weight: 800; }
.contact-button { display: none; }
.menu-button { display: none; width: 46px; height: 46px; border: var(--box-border) solid rgba(255,255,255,.3); border-radius: var(--box-radius); background: transparent; cursor: pointer; }
.menu-button span, .menu-button span::before, .menu-button span::after { display: block; width: 20px; height: 2px; margin: auto; background: #fff; content: ""; }
.menu-button span::before { transform: translateY(-7px); }
.menu-button span::after { transform: translateY(5px); }
.mobile-nav { background: var(--navy-dark); border-top: 1px solid rgba(255,255,255,.16); }
.mobile-nav a { display: block; min-height: 52px; padding: 13px 24px; border-bottom: 1px solid rgba(255,255,255,.12); }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.3; }
h1 { font-size: clamp(36px, 4.2vw, 62px); letter-spacing: -.035em; }
h2 { font-size: clamp(25px, 2.4vw, 34px); }
h3 { font-size: 20px; }
.page-kicker, .section-index { margin-bottom: 12px; color: var(--blue); font: 700 13px/1.4 Consolas, monospace; letter-spacing: .09em; }
.section { padding: 84px 0; }
.muted-section { background: var(--surface); border-block: 1px solid var(--light-line); }
.section-heading { display: grid; grid-template-columns: minmax(240px, .85fr) minmax(320px, 1.15fr); gap: 60px; align-items: end; margin-bottom: 36px; padding-bottom: 22px; border-bottom: 2px solid var(--navy); }
.section-heading h2, .section-heading p { margin-bottom: 0; }
.section-heading > p { color: var(--muted); }
.section-heading.compact { grid-template-columns: 1fr auto; }
.text-link { display: inline-block; color: var(--blue); font-weight: 800; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.text-link:hover { color: var(--navy); }
.button-row, .detail-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 46px; padding: 10px 20px; display: inline-flex; align-items: center; justify-content: center; border: var(--box-border) solid var(--navy); border-radius: var(--box-radius); color: var(--navy); background: #fff; font-weight: 800; cursor: pointer; }
.button:hover { background: var(--surface); }
.button.primary { color: #fff; background: var(--blue); border-color: var(--blue); }
.button.primary:hover { background: #0d5791; }

.home-carousel-section { padding: 30px 0 26px; background: #eef3f6; border-bottom: 1px solid var(--line); }
.home-carousel { touch-action: pan-y; }
.carousel-frame { position: relative; aspect-ratio: 3 / 1; overflow: hidden; background: var(--navy); border: var(--box-border) solid #a9bbc8; border-radius: var(--box-radius); }
.carousel-slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .5s ease; }
.carousel-slide.is-active { opacity: 1; pointer-events: auto; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-copy { position: absolute; z-index: 1; top: 50%; width: min(42%, 500px); padding: 26px 30px; transform: translateY(-50%); color: var(--navy); background: rgba(255,255,255,.86); border-left: 5px solid var(--blue); border-radius: var(--box-radius); box-shadow: var(--card-shadow); }
.carousel-copy.is-left { left: clamp(28px, 5vw, 74px); }
.carousel-copy.is-right { right: clamp(28px, 5vw, 74px); }
.carousel-copy h2 { margin-bottom: 10px; font-size: clamp(24px, 2.6vw, 38px); }
.carousel-copy p { margin-bottom: 0; color: var(--muted); font-size: clamp(14px, 1.3vw, 17px); }
.carousel-control { position: absolute; z-index: 2; top: 50%; width: 46px; height: 54px; padding: 0; transform: translateY(-50%); border: var(--box-border) solid rgba(255,255,255,.75); border-radius: var(--box-radius); color: #fff; background: rgba(8,36,58,.64); font-size: 34px; line-height: 1; cursor: pointer; }
.carousel-control:hover, .carousel-control:focus-visible { background: rgba(8,36,58,.9); }
.carousel-control.previous { left: 14px; }
.carousel-control.next { right: 14px; }
.carousel-toolbar { position: absolute; z-index: 2; left: 50%; bottom: 10px; display: flex; align-items: center; gap: 14px; padding: 7px 11px; transform: translateX(-50%); color: #fff; background: rgba(8,36,58,.72); }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dots button { width: 11px; height: 11px; padding: 0; border: 1px solid #fff; border-radius: 50%; background: transparent; cursor: pointer; }
.carousel-dots button.is-active { background: #fff; }
.carousel-toggle { padding: 0; border: 0; color: #fff; background: transparent; font-size: 12px; cursor: pointer; }
.carousel-action-row { padding-top: 18px; display: flex; flex-wrap: wrap; gap: 12px; }
.news-section { background: #fff; }
.news-row { display: grid; grid-template-columns: 120px minmax(0, 1fr) 120px 210px; gap: 28px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); }
.news-row time { align-self: start; padding-top: 3px; color: var(--blue); font: 700 14px Consolas, monospace; }
.news-category { margin-bottom: 7px; display: block; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.news-row h3 { margin-bottom: 8px; font-size: 21px; }
.news-row p { margin-bottom: 0; color: var(--muted); }
.news-row-image { height: 116px; display: grid; place-items: center; overflow: hidden; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.news-row-image img { width: auto; height: auto; max-width: 100%; max-height: 100%; padding: 8px; object-fit: contain; object-position: center; }
.news-row.no-image { grid-template-columns: 120px minmax(0, 1fr) 120px; }
.news-list { border-top: 2px solid var(--navy); }
.news-list .news-row { padding-block: 30px; }
.news-detail { max-width: 960px; }
.news-detail-category { margin-bottom: 8px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.news-detail time { display: block; margin-bottom: 14px; color: var(--blue); font: 700 14px Consolas, monospace; }
.news-detail h1 { margin-bottom: 20px; color: var(--navy); font-size: clamp(34px, 4vw, 52px); }
.news-detail-lead { max-width: 820px; margin-bottom: 34px; color: var(--muted); font-size: 19px; }
.news-detail-image { height: min(480px, 55vw); margin-bottom: 48px; display: grid; place-items: center; overflow: hidden; padding: 24px; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.news-detail-image img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; object-position: center; }
.news-detail-body { padding-top: 38px; border-top: 2px solid var(--navy); }
.news-detail-body p { color: var(--text); font-size: 17px; }
.news-detail-body p + p { margin-top: 22px; }
.news-actions { margin-top: 42px; display: flex; flex-wrap: wrap; gap: 12px; }

.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.category-grid a { min-height: 104px; padding: 20px; display: flex; gap: 16px; align-items: flex-start; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); background: var(--card-surface); box-shadow: var(--card-shadow); }
.category-grid a:hover { background: var(--blue-light); }
.category-grid span { color: var(--blue); font: 700 13px Consolas, monospace; }
.category-grid b { font-size: 16px; line-height: 1.45; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-search-section { padding: 30px 0 28px; background: var(--surface); border-bottom: 1px solid var(--line); }
.product-search { max-width: 860px; }
.product-search > label { display: block; margin-bottom: 9px; color: var(--navy); font-weight: 800; }
.product-search-control { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
.product-search-control input { width: 100%; min-height: 54px; padding: 11px 16px; color: var(--text); background: #fff; border: var(--box-border) solid #94a8b7; border-radius: var(--box-radius) 0 0 var(--box-radius); }
.product-search-control input:focus { position: relative; z-index: 1; outline: 3px solid #b9ddf4; border-color: var(--blue); }
.product-search-control button { min-width: 82px; min-height: 54px; margin-left: calc(var(--box-border) * -1); padding: 10px 18px; color: #fff; background: var(--navy); border: var(--box-border) solid var(--navy); border-radius: 0 var(--box-radius) var(--box-radius) 0; cursor: pointer; font-weight: 800; }
.product-search-control button:hover { background: var(--blue); border-color: var(--blue); }
.product-search-status { min-height: 22px; margin: 9px 0 0; color: var(--muted); font-size: 14px; }
.product-search-empty { margin: 28px 0 68px; padding: 28px; color: var(--muted); background: var(--surface); border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.product-catalog { padding-top: 28px; }
.product-group { padding: 54px 0 68px; scroll-margin-top: 20px; }
.search-results-group { padding-top: 28px; }
.product-group + .product-group { border-top: 2px solid var(--navy); }
.product-group-heading { display: grid; grid-template-columns: 54px minmax(0, 1fr); align-items: baseline; margin-bottom: 30px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.product-group-heading span { color: var(--blue); font: 700 13px Consolas, monospace; }
.product-group-heading h2 { margin-bottom: 0; font-size: 27px; }
.product-group .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.product-card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--card-surface); border: var(--box-border) solid var(--line); border-radius: var(--box-radius); box-shadow: var(--card-shadow); }
.product-image { height: 320px; display: grid; place-items: center; overflow: hidden; padding: 20px; border-bottom: var(--box-border) solid var(--light-line); background: #fff; }
.product-image img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; object-position: center; }
.product-card > div { padding: 22px; display: flex; flex: 1; flex-direction: column; }
.product-card small { margin-bottom: 9px; color: var(--blue); font-weight: 700; line-height: 1.4; }
.product-card h3 { margin-bottom: 12px; }
.product-card p { display: -webkit-box; overflow: hidden; margin-bottom: 20px; color: var(--muted); -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
.product-card .text-link { margin-top: auto; }
.information-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.info-panel { min-height: 300px; padding: 34px; background: var(--card-surface); border: var(--box-border) solid var(--line); border-radius: var(--box-radius); box-shadow: var(--card-shadow); }
.info-panel p:not(.section-index), .info-panel li { color: var(--muted); }
.info-panel ul { margin: 20px 0 26px; padding-left: 20px; }

.page-header { padding: 62px 0; color: #fff; background: var(--navy); border-bottom: 4px solid var(--blue); }
.page-header h1 { margin-bottom: 14px; font-size: clamp(34px, 4vw, 54px); }
.page-header p:last-child { max-width: 770px; margin-bottom: 0; color: #cbd8e2; font-size: 18px; }
.page-header .page-kicker { color: #6fc2f3; }

.detail-main { padding: 72px 0 90px; }
.product-detail-head { display: grid; grid-template-columns: minmax(380px, 1fr) minmax(0, 1fr); gap: 62px; align-items: center; padding-bottom: 68px; }
.detail-image { min-height: 420px; display: grid; place-items: center; overflow: hidden; padding: 30px; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.detail-gallery { min-width: 0; }
.detail-image img { width: auto; height: auto; max-width: 100%; max-height: 370px; object-fit: contain; object-position: center; }
.detail-thumbnails { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 12px; }
.detail-thumbnails a { height: 170px; display: grid; place-items: center; overflow: hidden; padding: 10px; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); background: #fff; }
.detail-thumbnails img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; object-position: center; }
.detail-summary h1 { margin-bottom: 20px; color: var(--navy); font-size: clamp(33px, 4vw, 52px); }
.detail-summary > p:not(.page-kicker) { margin-bottom: 28px; color: var(--muted); font-size: 17px; }
.back-link { display: inline-block; margin-bottom: 34px; color: var(--blue); font-weight: 700; }
.detail-section { padding: 50px 0 0; border-top: 2px solid var(--navy); }
.detail-section + .detail-section { margin-top: 68px; }
.product-content-section p { max-width: 960px; color: var(--muted); font-size: 17px; }
.product-content-section p:last-child { margin-bottom: 0; }
.spec-table { margin: 28px 0 0; overflow: hidden; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.spec-table div { display: grid; grid-template-columns: 240px 1fr; border-bottom: 1px solid var(--line); }
.spec-table div:last-child { border-bottom: 0; }
.spec-table dt, .spec-table dd { margin: 0; padding: 16px 20px; }
.spec-table dt { color: var(--muted); background: var(--surface); font-weight: 700; }
.spec-table dd { font-family: Consolas, monospace; }
.feature-table { margin: 28px 0 0; padding: 0; overflow: hidden; list-style: none; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.feature-table li { padding: 17px 8px; display: grid; grid-template-columns: 52px 1fr; border-bottom: 1px solid var(--line); }
.feature-table li:last-child { border-bottom: 0; }
.feature-table span { color: var(--blue); font: 700 13px Consolas, monospace; }

.support-layout { display: grid; grid-template-columns: 230px 1fr; gap: 70px; align-items: start; }
.support-index { position: sticky; top: 22px; overflow: hidden; border: var(--box-border) solid var(--line); border-radius: var(--box-radius); }
.support-index a { min-height: 54px; padding: 13px 10px; display: flex; gap: 12px; border-bottom: 1px solid var(--line); color: var(--blue); font: 700 13px/1.5 Consolas, monospace; }
.support-index a:last-child { border-bottom: 0; }
.support-index span { color: var(--text); font-family: Arial, "Microsoft JhengHei", sans-serif; }
.support-block { padding-bottom: 66px; scroll-margin-top: 20px; }
.support-block + .support-block { padding-top: 56px; border-top: 2px solid var(--navy); }
.support-block > p:not(.section-index):not(.notice) { color: var(--muted); }
.download-table { margin-top: 28px; overflow: hidden; border: var(--box-border) solid var(--navy); border-radius: var(--box-radius); }
.download-table > div { min-height: 54px; padding: 11px 14px; display: grid; grid-template-columns: 1fr 100px 100px; align-items: center; border-bottom: 1px solid var(--line); }
.download-table > div:last-child { border-bottom: 0; }
.download-table .download-head { min-height: 42px; color: #fff; background: var(--navy); font-size: 13px; font-weight: 700; }
.download-table a { color: var(--blue); font-weight: 800; text-decoration: underline; }
.notice { margin: 25px 0; padding: 14px 18px; color: var(--navy); background: var(--blue-light); border: var(--box-border) solid #b9d9ed; border-left: 5px solid var(--blue); border-radius: var(--box-radius); font-weight: 700; }

.about-list { border-top: 2px solid var(--navy); }
.about-row { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr); gap: 64px; padding: 40px 16px; border-bottom: 1px solid var(--line); }
.about-row > div { display: grid; grid-template-columns: 45px 1fr; align-items: baseline; }
.about-row span { color: var(--blue); font: 700 13px Consolas, monospace; }
.about-row h2, .about-row p { margin-bottom: 0; }
.about-row p { color: var(--muted); }

.contact-layout { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: 70px; align-items: start; }
.contact-details { padding: 30px; color: #fff; background: var(--navy); border-radius: var(--box-radius); }
.contact-details h2 { padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.25); font-size: 22px; }
.contact-details dl, .contact-details dd { margin: 0; }
.contact-details dl div { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.contact-details dt { margin-bottom: 3px; color: #9fc0d7; font-size: 13px; font-weight: 700; }
.contact-details a { text-decoration: underline; text-underline-offset: 4px; }
.contact-methods { padding: 32px; background: var(--card-surface); border: var(--box-border) solid var(--line); border-radius: var(--box-radius); box-shadow: var(--card-shadow); }
.contact-methods h2 { margin-bottom: 12px; }
.contact-methods > p:not(.section-index):not(.copy-email-status) { color: var(--muted); }
.contact-product-context { margin: 24px 0; padding: 15px 18px; display: grid; gap: 3px; background: var(--blue-light); border: var(--box-border) solid #b9d9ed; border-left: 5px solid var(--blue); border-radius: var(--box-radius); }
.contact-product-context[hidden] { display: none; }
.contact-product-context span { color: var(--muted); font-size: 13px; font-weight: 700; }
.contact-product-context strong { color: var(--navy); font-size: 18px; }
.contact-email-address { margin: 28px 0; display: block; color: var(--navy); font: 700 clamp(18px, 2.2vw, 26px) Consolas, monospace; overflow-wrap: anywhere; text-decoration: underline; text-underline-offset: 5px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-mail-note { margin: 22px 0 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: 14px; }
.copy-email-status { min-height: 24px; margin: 12px 0 0; color: var(--navy); font-weight: 700; }

.site-footer { color: #d9e4ec; background: var(--navy-dark); border-top: 4px solid var(--blue); }
.footer-grid { padding: 46px 0 36px; display: grid; grid-template-columns: minmax(250px, .9fr) minmax(430px, 1.35fr) minmax(200px, .7fr); gap: 36px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .brand img { width: 44px; height: 60px; }
.footer-grid p { margin: 0; color: #8ea4b3; font-size: 13px; letter-spacing: .08em; }
.footer-grid nav { display: flex; flex-wrap: wrap; align-content: start; align-items: flex-start; gap: 10px 24px; }
.footer-grid nav a { white-space: nowrap; }
.footer-grid address { display: grid; align-content: start; gap: 8px; font-style: normal; }
.footer-grid a:hover { color: #73c5f3; }
.footer-bottom { min-height: 58px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255,255,255,.14); color: #8499a8; font-size: 13px; }

@media (max-width: 1000px) {
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .menu-button { display: block; }
  .news-row { grid-template-columns: 105px minmax(0, 1fr) 105px 160px; gap: 20px; }
  .news-row.no-image { grid-template-columns: 105px minmax(0, 1fr) 105px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-group .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-head { grid-template-columns: minmax(320px, .9fr) 1.1fr; gap: 38px; }
  .footer-grid { grid-template-columns: minmax(230px, .8fr) minmax(0, 1.2fr); }
  .footer-grid address { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 24px; }
}

@media (max-width: 760px) {
  .container, .header-inner { width: min(calc(100% - 32px), var(--container)); }
  .header-inner { min-height: 68px; }
  .brand { min-width: 205px; gap: 9px; }
  .brand img { width: 34px; height: 47px; }
  .brand-copy strong { font-size: 15px; }
  .brand-copy small { font-size: 10px; }
  .language-switch { gap: 2px; }
  .section { padding: 58px 0; }
  .home-carousel-section { padding: 18px 0; }
  .carousel-frame { height: 380px; min-height: 0; aspect-ratio: auto; background: var(--card-surface); }
  .carousel-slide img { height: 230px; object-fit: cover; }
  .carousel-control { top: 115px; width: 38px; height: 46px; font-size: 28px; }
  .carousel-control.previous { left: 8px; }
  .carousel-control.next { right: 8px; }
  .carousel-toolbar { bottom: 6px; }
  .carousel-copy { top: 230px; right: 0 !important; bottom: 0; left: 0 !important; width: auto; padding: 16px 18px 52px; transform: none; background: var(--card-surface); border-top: 4px solid var(--blue); border-left: 0; border-radius: 0; box-shadow: none; }
  .carousel-copy h2 { margin-bottom: 5px; font-size: 20px; }
  .carousel-copy p { display: block; font-size: 13px; line-height: 1.5; }
  .section-heading, .information-grid, .product-detail-head, .support-layout, .about-row, .contact-layout { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 1fr; gap: 10px; }
  .news-row.no-image { grid-template-columns: 1fr; }
  .news-row .text-link { margin-top: 5px; }
  .news-row-image { width: 100%; height: 190px; grid-row: 2; }
  .section-heading { gap: 12px; align-items: start; }
  .section-heading.compact { grid-template-columns: 1fr; }
  .category-grid, .product-grid { grid-template-columns: 1fr; }
  .category-grid a { min-height: 80px; }
  .product-image { height: 300px; }
  .product-group .product-grid { grid-template-columns: 1fr; }
  .product-group .product-image { height: 300px; }
  .info-panel { min-height: auto; padding: 28px 22px; }
  .page-header { padding: 46px 0; }
  .detail-main { padding: 46px 0 66px; }
  .product-detail-head { gap: 34px; padding-bottom: 50px; }
  .detail-image { min-height: 300px; padding: 20px; }
  .detail-image img { max-height: 270px; }
  .detail-thumbnails a { height: 150px; }
  .back-link { margin-bottom: 24px; }
  .spec-table div { grid-template-columns: 1fr; }
  .spec-table dt { padding-bottom: 5px; }
  .spec-table dd { padding-top: 5px; background: var(--surface); }
  .support-layout { gap: 42px; }
  .support-index { position: static; }
  .download-table > div { grid-template-columns: minmax(0, 1fr) 54px 70px; padding-inline: 8px; }
  .about-row { gap: 15px; padding-inline: 4px; }
  .contact-layout { gap: 38px; }
  .contact-methods { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid nav { display: grid; gap: 8px; }
  .footer-grid address { grid-column: auto; display: grid; gap: 8px; }
  .footer-bottom { padding: 18px 0; align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (max-width: 390px) {
  .brand { min-width: 0; }
  .brand-copy strong { font-size: 13px; }
  .brand-copy small { font-size: 9px; }
  .header-actions { gap: 7px; }
  .menu-button { width: 44px; }
  .carousel-frame { height: 360px; }
  .carousel-slide img { height: 210px; }
  .carousel-control { top: 105px; }
  .carousel-copy { top: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .carousel-slide { transition: none; }
}