:root {
    --navy: #00387d;
    --navy-deep: #052b5b;
    --teal: #009fb0;
    --cyan: #20cfef;
    --ink: #17202d;
    --muted: #617184;
    --soft: #f3f7fa;
    --white: #fff;
    --shadow: 0 18px 50px rgba(0, 56, 125, .12);
    --container: 1180px;
    --font-body: "Germagic Noto Sans TC", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
    --font-size-body: 1.0625rem;
    --font-size-title: clamp(1.875rem, 3.5vw, 3rem);
    --font-size-section: clamp(1.5rem, 2.6vw, 2rem);
    --body-leading: 1.8;
    --space-section: clamp(3.5rem, 6.5vw, 6rem);
    --space-heading: 1.5rem;
    --reading-width: 48rem;
    --text-secondary: #596775;
    --action-teal: #007f8c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--font-body); font-size: var(--font-size-body); line-height: var(--body-leading); }
html:lang(en) { --body-leading: 1.65; }
@media (max-width: 700px) { :root { --font-size-body: 1rem; } }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:where(a, button, summary):focus-visible { outline: 3px solid var(--action-teal); outline-offset: 4px; }
:where(.air-filter-online, .surface-product-detail-online, .customized-filter-online, .surface-top-background, .site-footer) :where(a, button, summary):focus-visible { outline-color: var(--cyan); }
.container, .nav-shell, .footer-shell { 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; left: 16px; top: -100px; z-index: 100; padding: 10px 16px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(0,56,125,.08); transition: box-shadow .25s ease; }
.site-header.is-scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.09); }
.nav-shell { display: flex; align-items: center; min-height: 78px; gap: 28px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 190px; height: auto; }
.site-navigation { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; padding: 0; margin: 0; list-style: none; }
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; padding: 27px 12px; color: var(--navy-deep); font-size: 14px; font-weight: 700; letter-spacing: .01em; white-space: nowrap; line-height: 1.5; }
.nav-item > a:hover, .nav-item > a.is-active { color: var(--action-teal); }
.has-children > a { gap: 6px; }
.has-children > a::after { content: "⌄"; color: var(--action-teal); font-size: 14px; line-height: 1; transform: translateY(-1px); }
.submenu { position: absolute; top: calc(100% - 8px); left: 0; min-width: 220px; padding: 10px 0; margin: 0; opacity: 0; visibility: hidden; transform: translateY(8px); background: #fff; box-shadow: var(--shadow); list-style: none; transition: .2s ease; }
.has-children:hover > .submenu, .has-children:focus-within > .submenu, .has-children.is-open > .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu .has-children > .submenu { top: -10px; left: 100%; transform: translateX(8px); }
.submenu .has-children:hover > .submenu, .submenu .has-children:focus-within > .submenu, .submenu .has-children.is-open > .submenu { transform: translateX(0); }
.submenu .nav-item > a { padding: 9px 18px; }
.submenu-toggle { display: none; }
.language-item { margin-left: 8px; border-left: 1px solid #d9e3ec; }
.language-item a { color: var(--action-teal); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; margin-left: auto; padding: 10px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--navy); }

.hero { position: relative; height: min(725px, calc(100vh - 78px)); min-height: 560px; overflow: hidden; background: var(--navy-deep); }
.hero-slide { position: absolute; inset: 0; display: flex; align-items: center; opacity: 0; visibility: hidden; background-image: var(--hero-image); background-position: center; background-size: cover; transition: opacity .8s ease, visibility .8s ease; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(1,20,48,.82) 0%, rgba(1,35,70,.43) 44%, rgba(1,35,70,.06) 100%); }
.hero-content { position: relative; z-index: 1; color: #fff; padding-top: 40px; }
.hero h1 { max-width: 720px; margin: 10px 0 20px; font-size: clamp(36px, 4.6vw, 60px); line-height: 1.25; letter-spacing: 0; }
.hero-description { max-width: 560px; margin: 0 0 30px; color: rgba(255,255,255,.86); font-size: clamp(16px, 1.7vw, 21px); }
.eyebrow { display: block; color: rgba(255,255,255,.85); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 24px; border: 1px solid transparent; font-size: 15px; font-weight: 700; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { color: var(--navy); background: #fff; }
.button-light:hover { background: var(--cyan); }
.button-outline { color: #fff; border-color: rgba(255,255,255,.65); background: transparent; }
.button-outline:hover { color: var(--navy); background: #fff; }
.button-primary { color: #fff; background: var(--action-teal); }
.button-primary:hover { background: var(--navy); }
.slider-control { position: absolute; top: 50%; z-index: 2; width: 48px; height: 48px; color: #fff; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: rgba(0,0,0,.18); font-size: 32px; line-height: 1; cursor: pointer; transform: translateY(-50%); }
.slider-control:hover { background: var(--teal); border-color: var(--teal); }
.slider-prev { left: 28px; }
.slider-next { right: 28px; }
.slider-dots { position: absolute; right: 50%; bottom: 28px; z-index: 2; display: flex; gap: 8px; transform: translateX(50%); }
.slider-dot { width: 32px; height: 24px; padding: 0; border: 0; background: linear-gradient(rgba(255,255,255,.6), rgba(255,255,255,.6)) center / 100% 4px no-repeat; cursor: pointer; }
.slider-dot.is-active { background: linear-gradient(var(--cyan), var(--cyan)) center / 100% 4px no-repeat; }

.section { padding: var(--space-section) 0; }
.section-heading { margin-bottom: 48px; text-align: center; }
.section-heading > span { color: var(--action-teal); font-size: 12px; font-weight: 700; letter-spacing: .2em; }
.section-heading h2 { margin: 10px 0 0; color: var(--navy); font-size: var(--font-size-section); line-height: 1.4; letter-spacing: 0; }
.section-technology { background: #fff; }
.technology-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.technology-card { position: relative; min-height: 360px; display: flex; align-items: end; overflow: hidden; color: #fff; background-image: var(--card-image); background-position: center; background-size: cover; }
.technology-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,56,125,.05), rgba(0,33,70,.85)); transition: transform .5s ease; }
.technology-card:hover::before { transform: scale(1.06); }
.card-shade { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,159,176,.22), transparent 65%); }
.card-content { position: relative; z-index: 1; padding: 30px; }
.card-content small { display: block; color: rgba(255,255,255,.78); font-size: 14px; }
.card-content strong { display: block; margin: 8px 0 22px; font-size: 28px; line-height: 1.25; }
.card-link, .intro-link { color: var(--cyan); font-size: 14px; font-weight: 700; }
.card-link b, .intro-link b { margin-left: 8px; font-size: 20px; }
.callout { color: #fff; }
.callout-blue { background: var(--navy); }
.callout-teal { background: var(--teal); }
.callout-inner { display: flex; align-items: center; justify-content: center; gap: 28px; padding: 42px 0; }
.callout h2 { margin: 0; font-size: clamp(22px, 3vw, 34px); }

.section-products { background: var(--soft); }
.product-list { display: grid; gap: 0; }
.product-row { display: grid; grid-template-columns: 1fr 1fr; min-height: 390px; background: #fff; box-shadow: 0 10px 30px rgba(0,56,125,.06); }
.product-row.reverse .product-copy { order: 2; }
.product-row.reverse .product-image { order: 1; }
.product-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 6vw, 80px); }
.eyebrow-teal { color: var(--action-teal); }
.product-copy h3 { max-width: 470px; margin: 12px 0 18px; color: var(--navy); font-size: clamp(1.5rem, 2.6vw, 2.25rem); line-height: 1.4; }
.product-copy p { max-width: 500px; margin: 0 0 22px; color: var(--muted); }
.text-link { color: var(--action-teal); font-weight: 700; }
.text-link span { margin-left: 8px; font-size: 20px; }
.product-image { min-height: 390px; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-row:hover .product-image img { transform: scale(1.04); }

.section-partners { background: #fff; }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.partner-card { min-height: 140px; display: grid; place-items: center; padding: 22px; border: 1px solid #e5edf3; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.partner-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.partner-card img { max-width: 220px; max-height: 84px; object-fit: contain; }
.intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.intro-card { color: #fff; }
.intro-card-1 { background: #20cfef; }
.intro-card-2 { background: var(--teal); }
.intro-card-3 { background: #008eaf; }
.intro-card-inner { min-height: 285px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.intro-card h2 { margin: 0 0 15px; font-size: 30px; }
.intro-card p { max-width: 330px; margin: 0 0 18px; color: rgba(255,255,255,.88); font-size: 15px; }
.intro-link { margin-top: auto; color: #fff; }

/* Consent controls are isolated from navigation and never load external media by themselves. */
body { padding-bottom: var(--cookie-banner-space, 0px); }
body.privacy-is-open { overflow: hidden; }
.cookie-banner[hidden], .privacy-embed [hidden], .footer-privacy-button[hidden], .privacy-error[hidden] { display: none !important; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-privacy-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.footer-privacy-button { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 0; color: #fff; border: 0; background: transparent; font: inherit; font-size: 14px; text-decoration: underline; text-underline-offset: 5px; cursor: pointer; }
.cookie-banner { position: fixed; inset: auto 0 0; z-index: 90; max-height: 55vh; max-height: 55dvh; overflow-y: auto; overscroll-behavior: contain; color: #17202d; background: #fff; border-top: 3px solid var(--teal); box-shadow: 0 -8px 30px rgba(5,43,91,.12); }
.cookie-banner-inner { width: min(calc(100% - 48px), 1280px); margin-inline: auto; display: flex; align-items: center; gap: 32px; padding-block: 22px; }
.cookie-banner-copy { flex: 1; min-width: 0; }
.cookie-banner h2 { margin: 0 0 8px; color: var(--navy); font-size: 18px; line-height: 1.4; }
.cookie-banner p { margin: 0; font-size: 14px; line-height: 1.7; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 1 auto; }
.privacy-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; color: var(--navy); background: #fff; border: 1px solid var(--navy); border-radius: 0; font: inherit; font-size: 14px; font-weight: 700; line-height: 1.5; cursor: pointer; }
.privacy-button:hover { color: #fff; background: var(--navy); }
.privacy-button--text { border-color: transparent; text-decoration: underline; text-underline-offset: 4px; }
.privacy-dialog { width: min(640px, calc(100% - 32px)); max-width: none; max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); margin: auto; padding: 28px; overflow-y: auto; overscroll-behavior: contain; color: var(--ink); background: #fff; border: 0; box-shadow: 0 16px 50px rgba(0,0,0,.25); }
.privacy-dialog::backdrop { background: rgba(3,19,41,.65); }
.privacy-dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.privacy-dialog h2 { margin: 8px 0; color: var(--navy); font-size: 23px; line-height: 1.4; }
.privacy-close { flex: 0 0 44px; width: 44px; height: 44px; padding: 0; color: var(--navy); border: 0; background: transparent; font-size: 30px; cursor: pointer; }
.privacy-dialog p { margin: 10px 0; font-size: 14px; line-height: 1.7; }
.privacy-option { padding: 18px 0; border-bottom: 1px solid #d9e3ec; }
.privacy-option h3 { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin: 0; font-size: 16px; line-height: 1.5; }
.privacy-required { color: #446178; font-size: 12px; font-weight: 400; }
.privacy-option label { display: flex; align-items: center; gap: 12px; min-height: 44px; font-size: 16px; font-weight: 700; line-height: 1.5; cursor: pointer; }
.privacy-option input { flex: 0 0 20px; width: 20px; height: 20px; margin: 0; accent-color: var(--action-teal); }
.privacy-option input:focus-visible { outline: 3px solid var(--action-teal); outline-offset: 4px; }
.privacy-dialog .privacy-detail { margin-top: 20px; color: #536171; font-size: 13px; }
.privacy-policy-links { display: flex; gap: 10px 24px; flex-wrap: wrap; }
.privacy-policy-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--navy); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.privacy-dialog-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.privacy-dialog-actions .privacy-button { flex: 1; }
.privacy-error { color: #a12323; }
.privacy-noscript { margin: 0; padding: 24px; color: var(--ink); background: var(--soft); font-size: 14px; }
.privacy-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #132e49; }
.privacy-embed .privacy-embed-notice { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 16px; overflow-y: auto; color: #fff; text-align: center; }
.privacy-embed-notice strong { font-size: 16px; line-height: 1.5; }
.privacy-embed .privacy-embed-notice p { max-width: 48ch; margin: 0; color: #e0e8f0; font-size: 13px; line-height: 1.6; }
.privacy-embed-notice .privacy-button { flex-shrink: 0; }
.privacy-embed > iframe { position: absolute; inset: 0; display: block; width: 100%; height: 100%; border: 0; }
.privacy-embed--map { height: 100%; aspect-ratio: auto; }
.global-agency-feature-media > .privacy-embed, .global-agency-showcase-media > .privacy-embed { aspect-ratio: var(--case-video-aspect); }
.brand-strategy-video > .privacy-embed { height: 315px; aspect-ratio: auto; }
@media (max-width: 1000px) {
    .cookie-banner-inner { display: block; }
    .cookie-actions { margin-top: 16px; }
}
@media (max-width: 860px) {
    .brand-strategy-video > .privacy-embed { height: auto; aspect-ratio: 16 / 9; }
}
@media (max-width: 540px) {
    .cookie-banner-inner { width: calc(100% - 40px); padding-block: 16px; }
    .cookie-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .privacy-button { padding-inline: 12px; }
    .privacy-dialog { padding: 20px; }
    .privacy-dialog h2 { font-size: 20px; }
    .privacy-dialog-actions { flex-direction: column; }
}

.privacy-page { padding: 70px 0 90px; }
.privacy-page-inner { width: min(calc(100% - 40px), 860px); margin-inline: auto; }
.privacy-page h1 { margin: 0 0 16px; color: var(--navy); font-size: clamp(30px, 4vw, 46px); line-height: 1.3; }
.privacy-page h2 { margin: 38px 0 16px; color: var(--navy); font-size: 22px; line-height: 1.5; }
.privacy-page p, .privacy-page dd { font-size: 16px; line-height: 1.9; }
.privacy-page a:not(.privacy-button) { color: var(--action-teal); text-decoration: underline; text-underline-offset: 4px; }
.privacy-draft { padding: 16px 20px; border-left: 3px solid var(--teal); background: var(--soft); }
.privacy-page .privacy-date { color: var(--muted); font-size: 14px; }
.privacy-cookie-list { margin: 0; }
.privacy-cookie-list > div { padding: 20px 0; border-bottom: 1px solid #d9e3ec; }
.privacy-cookie-list dt { font-weight: 700; overflow-wrap: anywhere; }
.privacy-cookie-list dd { margin: 8px 0 0; }
.privacy-page-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* One shared footer for all layouts and languages; copy and links live in site.json. */
.site-footer { color: #c1cddb; background: #071b36; border-top: 3px solid var(--teal); }
.footer-shell { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .75fr) minmax(0, .95fr) minmax(0, 1.15fr); gap: 32px; align-items: start; padding-block: 64px 52px; text-align: left; }
.footer-shell > * { min-width: 0; }
.footer-brand-link { display: inline-flex; align-items: center; min-height: 44px; }
.footer-logo { width: 215px; height: auto; }
.footer-tagline { max-width: 28ch; margin: 18px 0 0; font-size: 15px; line-height: 1.9; }
.site-footer .footer-heading { margin: 0 0 16px; color: #fff; font-size: 16px; font-weight: 700; line-height: 1.6; letter-spacing: .03em; }
.footer-links { padding: 0; margin: 0; list-style: none; }
.footer-links a { display: flex; align-items: center; width: fit-content; max-width: 100%; min-height: 44px; padding-block: 9px; color: #c1cddb; font-size: 15px; line-height: 1.65; overflow-wrap: anywhere; }
.site-footer a { text-underline-offset: 5px; text-decoration-thickness: 1px; }
.footer-links a:hover, .footer-links a:focus-visible { color: #fff; text-decoration-line: underline; }
.footer-contact-description { margin: 0 0 12px; font-size: 15px; line-height: 1.9; }
.footer-email { display: flex; align-items: center; width: fit-content; max-width: 100%; min-height: 44px; padding-block: 8px; color: var(--cyan); font-size: 17px; font-weight: 500; line-height: 1.6; overflow-wrap: anywhere; }
.footer-email:hover, .footer-email:focus-visible { color: #fff; text-decoration-line: underline; }
.footer-contact-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 44px; max-width: 100%; margin-top: 12px; padding: 9px 0; border-bottom: 1px solid #567389; color: #fff; font-size: 15px; line-height: 1.6; }
.footer-contact-link span { flex: 0 0 auto; color: var(--cyan); font-size: 20px; line-height: 1; }
.footer-contact-link:hover, .footer-contact-link:focus-visible { border-bottom-color: var(--cyan); text-decoration-line: underline; }
.footer-bottom { padding-block: 20px; border-top: 1px solid rgba(255,255,255,.14); }
.footer-bottom p { margin: 0; color: #aebed0; font-size: 13px; line-height: 1.7; }
@media (max-width: 1000px) {
    .footer-shell { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 40px; padding-block: 44px 36px; }
    .footer-brand, .footer-contact { grid-column: 1 / -1; }
    .footer-tagline { max-width: 44ch; margin-top: 12px; }
    .footer-contact { padding-top: 28px; border-top: 1px solid rgba(255,255,255,.14); }
    .footer-contact-description { max-width: 48ch; margin-bottom: 8px; }
}
@media (max-width: 480px) {
    .site-footer .footer-shell, .footer-bottom .container { width: calc(100% - 40px); }
    .footer-shell { gap: 28px 24px; padding-top: 36px; }
    .footer-logo { width: 200px; }
    .site-footer .footer-heading { margin-bottom: 12px; }
    .footer-email { font-size: 16px; }
}

.page-hero { position: relative; min-height: 360px; display: flex; align-items: end; overflow: hidden; color: #fff; background-image: var(--page-image); background-position: center; background-size: cover; }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(1,20,48,.86), rgba(1,35,70,.28)); }
.page-hero-content { position: relative; z-index: 1; padding-top: 90px; padding-bottom: 70px; }
.page-hero h1 { max-width: 820px; margin: 10px 0 16px; font-size: clamp(38px, 5vw, 68px); line-height: 1.3; letter-spacing: 0; }
.page-hero p { max-width: 700px; margin: 0; color: rgba(255,255,255,.88); font-size: clamp(16px, 2vw, 21px); }
.entry-hero { display: flex; align-items: flex-end; min-height: 400px; color: #fff; background-color: var(--navy); background-image: var(--entry-hero-image); background-position: center; background-size: cover; }
.entry-hero-copy { padding-bottom: 125px; }
.entry-hero-eyebrow { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.entry-hero-copy p { max-width: 780px; margin: 0; color: #fff; font-size: clamp(18px, 2vw, 22px); font-weight: 400; line-height: 1.5; }
.entry-hero-copy, .brand-strategy-hero-inner, .news-hero-inner, .surface-products-hero-inner { width: min(calc(100% - 180px), 1152px); }
.page-content { background: #fff; }
.content-section { padding: var(--space-section) 0; border-bottom: 1px solid #e8eef3; }
.content-section:last-child { border-bottom: 0; }
.content-section > h2, .content-text h2 { max-width: 780px; margin: 10px 0 26px; color: var(--navy); font-size: var(--font-size-section); line-height: 1.4; letter-spacing: 0; }
.section-label { display: block; color: var(--action-teal); font-size: 12px; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.content-text { max-width: 860px; margin-inline: auto; }
.content-text p, .content-copy p, .content-text li { color: var(--muted); font-size: 17px; }
.content-text ul { padding-left: 20px; color: var(--action-teal); }
.content-image-text { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(34px, 7vw, 96px); }
.content-image-text.reverse .content-media { order: 2; }
.content-image-text.reverse .content-copy { order: 1; }
.content-media { min-height: 360px; overflow: hidden; background: var(--soft); }
.content-media img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.content-copy h2 { margin: 10px 0 22px; color: var(--navy); font-size: clamp(30px, 4vw, 50px); line-height: 1.2; }
.content-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.content-card { padding: 26px; border: 1px solid #e2eaf0; background: #fff; box-shadow: 0 12px 32px rgba(0,56,125,.06); transition: transform .2s ease, box-shadow .2s ease; }
.content-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.content-card img { width: calc(100% + 52px); height: 180px; max-width: none; margin: -26px -26px 24px; object-fit: cover; }
.content-card h3 { margin: 9px 0 12px; color: var(--navy); font-size: 25px; line-height: 1.3; }
.content-card p { min-height: 82px; margin: 0 0 18px; color: var(--muted); }
.faq-section { max-width: 860px; margin-inline: auto; }
.faq-item { border-top: 1px solid #dce6ed; }
.faq-item:last-child { border-bottom: 1px solid #dce6ed; }
.faq-item summary { padding: 22px 42px 22px 0; color: var(--navy); font-size: 20px; font-weight: 700; cursor: pointer; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; color: var(--action-teal); font-size: 26px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item div { padding: 0 42px 24px 0; color: var(--muted); }

/* About page layout follows the public page rhythm while keeping all markup independent. */
.about-online .page-content { background: #fff; }
.about-online .content-section { width: 100%; max-width: none; margin: 0; padding: 86px 24px; border-bottom: 0; text-align: center; }
.about-online .online-section-inner { width: min(100%, 1120px); margin-inline: auto; }
.about-online .content-section h2 { margin: 0 0 22px; font-size: var(--font-size-section); line-height: 1.4; }
.about-online .online-divider { display: block; width: 78px; height: 2px; margin: 0 auto 38px; background: var(--teal); }
.about-online .quote-grid { position: relative; max-width: 900px; min-height: 250px; margin: 0 auto; }
.about-online .quote-card { display: none; margin: 0; padding: 8px 28px 0; }
.about-online .quote-card.is-active { display: block; animation: quote-fade-in .35s ease both; }
.about-online .quote-card blockquote { position: relative; margin: 0; color: #4b5663; font-size: clamp(17px, 1.8vw, 21px); line-height: 1.9; }
.about-online .quote-card blockquote::before { content: "“"; display: block; height: 30px; color: var(--action-teal); font-family: Georgia, serif; font-size: 62px; line-height: .8; }
.about-online .quote-card figcaption { display: grid; gap: 2px; margin-top: 22px; color: var(--navy); font-size: 15px; }
.about-online .quote-card figcaption span { color: var(--muted); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.about-online .quote-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 24px; }
.about-online .quote-control { width: 34px; height: 34px; color: var(--teal); border: 1px solid #c9dce4; border-radius: 50%; background: #fff; font-size: 24px; line-height: 1; cursor: pointer; }
.about-online .quote-control:hover { color: #fff; border-color: var(--teal); background: var(--teal); }
.about-online .quote-dots { display: flex; gap: 8px; }
.about-online .quote-dot { width: 24px; height: 3px; padding: 0; border: 0; background: #c8d8df; cursor: pointer; }
.about-online .quote-dot.is-active { background: var(--teal); }
@keyframes quote-fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.surface-online { color: #17202d; background: #fff; }
.surface-top-background { position: relative; overflow: hidden; color: #fff; background-color: #1e1e1e; background-image: linear-gradient(rgba(11,16,29,.82), rgba(11,16,29,.88)), var(--surface-image); background-position: center top; background-repeat: no-repeat; background-size: cover; background-attachment: fixed; }
.surface-hero { position: relative; min-height: 580px; display: flex; align-items: center; overflow: hidden; color: #fff; background: transparent; }
.surface-hero-overlay { position: absolute; inset: 0; background: transparent; }
.surface-hero-inner { position: relative; z-index: 1; max-width: 850px; padding-top: 90px; padding-bottom: 90px; text-align: center; }
.surface-hero h1 { margin: 14px 0 22px; font-size: var(--font-size-title); line-height: 1.35; }
.surface-hero p { max-width: 700px; margin: 0 auto; color: rgba(255,255,255,.84); font-size: 18px; }
.surface-dark-section { color: #fff; background: transparent; }
.surface-video-section { padding: 12px 0 60px; }
.surface-narrow { width: min(calc(100% - 48px), 820px); }
.surface-video-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #0b1220; box-shadow: 0 18px 48px rgba(0,0,0,.24); }
.surface-video-poster { position: absolute; inset: 0; display: grid; place-items: center; background-image: linear-gradient(rgba(4,18,40,.08), rgba(4,18,40,.35)), var(--video-image); background-position: center; background-size: cover; }
.surface-play { display: grid; place-items: center; width: 76px; height: 76px; padding-left: 5px; color: #fff; border: 2px solid #fff; border-radius: 50%; background: rgba(0,159,176,.88); font-size: 25px; transition: transform .2s ease, background .2s ease; }
.surface-video-poster:hover .surface-play { transform: scale(1.08); background: var(--navy); }
.surface-features-section { padding: 30px 0 115px; }
.surface-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.surface-feature { padding: 30px 28px; border-top: 2px solid var(--teal); }
.surface-feature h2 { margin: 0 0 22px; color: #fff; font-size: 24px; line-height: 1.35; }
.surface-feature p { margin: 0 0 14px; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.9; }
.surface-tests-section { padding: 105px 0 120px; background: #fff; }
.surface-tests-container { max-width: 1020px; }
.surface-tests-section h2 { margin: 10px 0 52px; color: var(--navy); font-size: clamp(31px, 4vw, 50px); line-height: 1.2; text-align: center; }
.surface-test-title { margin: 42px 0 20px; color: var(--action-teal); font-size: 18px; line-height: 1.6; }
.surface-table-wrap { overflow-x: auto; box-shadow: 0 12px 36px rgba(0,56,125,.08); }
.surface-table { width: 100%; min-width: 560px; border-collapse: collapse; background: #fff; }
.surface-table th, .surface-table td { padding: 15px 18px; border: 1px solid #dce6ed; text-align: left; }
.surface-table th { color: #fff; background: var(--navy); font-size: 14px; }
.surface-table td { color: var(--muted); font-size: 15px; }
.surface-table tbody tr:nth-child(even) { background: #f5f8fa; }
.surface-table td:last-child, .surface-table th:last-child { width: 30%; white-space: nowrap; }
.surface-internal-section { position: relative; overflow: hidden; color: #fff; background-image: var(--surface-internal-image); background-position: center; background-size: cover; }
.surface-internal-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,28,52,.94), rgba(0,159,176,.82)); }
.surface-internal-content { position: relative; z-index: 1; padding-top: 105px; padding-bottom: 120px; }
.surface-internal-content h2 { margin: 10px 0 12px; color: #fff; font-size: clamp(31px, 4vw, 50px); text-align: center; }
.surface-internal-intro { margin: 0 auto 44px; color: rgba(255,255,255,.82); text-align: center; }
.surface-accordions { max-width: 960px; margin: 0 auto; }
.surface-accordion { margin: 12px 0; background: rgba(255,255,255,.96); }
.surface-accordion summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; color: var(--navy); font-size: 18px; font-weight: 700; cursor: pointer; list-style: none; }
.surface-accordion summary::-webkit-details-marker { display: none; }
.surface-accordion summary::after { content: "+"; flex: 0 0 auto; color: var(--action-teal); font-size: 24px; font-weight: 400; }
.surface-accordion[open] summary::after { content: "−"; }
.surface-internal-results { margin: 0; padding: 0 24px 24px; color: var(--text-secondary); list-style: none; }
.surface-internal-results li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; padding: 12px 0; border-top: 1px solid #dce6ed; font-size: 16px; line-height: 1.8; }
.surface-internal-results li > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.surface-internal-rate { color: var(--navy); white-space: nowrap; }
.surface-products-online { color: #17202d; background: #fff; }
.products-online { color: var(--ink); background: #fff; }
.products-online-intro { padding: clamp(76px, 9vw, 132px) 0 clamp(48px, 6vw, 82px); text-align: center; }
.products-online-intro-inner { max-width: 880px; }
.products-online-eyebrow { display: block; color: var(--action-teal); font-size: 13px; font-weight: 700; letter-spacing: .16em; }
.products-online-intro h1 { margin: 12px 0 0; color: var(--navy); font-size: var(--font-size-title); line-height: 1.35; }
.products-online-intro p { margin: 20px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.products-online-list { width: min(calc(100% - 48px), 1180px); display: grid; gap: 0; margin: 0 auto clamp(84px, 9vw, 132px); }
.products-online-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 430px; overflow: hidden; background: #f3f7fa; }
.products-online-row.is-reverse .products-online-copy { order: 2; }
.products-online-row.is-reverse .products-online-image { order: 1; }
.products-online-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(36px, 5vw, 82px); }
.products-online-copy h2 { margin: 12px 0 18px; color: var(--navy); font-size: var(--font-size-section); line-height: 1.4; }
.products-online-copy p { max-width: 455px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.products-online-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 26px; color: var(--action-teal); font-size: 15px; font-weight: 700; }
.products-online-link span { font-size: 22px; line-height: 1; transition: transform .2s ease; }
.products-online-link:hover span, .products-online-link:focus-visible span { transform: translateX(4px); }
.products-online-image { display: block; min-height: 100%; overflow: hidden; background: #e8f1f3; }
.products-online-image img { width: 100%; height: 100%; min-height: 430px; object-fit: cover; transition: transform .5s ease; }
.products-online-image:hover img, .products-online-image:focus-visible img { transform: scale(1.04); }
.technology-online { color: var(--ink); background: #fff; }
.technology-online-intro { padding: clamp(56px, 6vw, 86px) 0 42px; text-align: center; }
.technology-online-intro-inner { max-width: 960px; }
.technology-online-intro h1, .technology-online-section-heading h2 { margin: 0; color: #676767; font-size: clamp(28px, 3vw, 34px); font-weight: 500; line-height: 1.4; }
.technology-online-intro p, .technology-online-section-heading p { margin: 18px 0 0; color: var(--text-secondary); font-size: 16px; line-height: 1.8; }
.technology-online-section { padding-bottom: clamp(56px, 6vw, 86px); }
.technology-online-section-heading { margin-bottom: 42px; text-align: center; }
.technology-online-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.technology-online-grid.is-reports { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.technology-online-card { position: relative; display: flex; min-width: 0; min-height: 360px; color: #fff; background: #052b5b; isolation: isolate; }
.technology-online-card::before { position: absolute; z-index: -1; inset: 0; content: ""; background: linear-gradient(180deg, rgba(3, 24, 48, .72), rgba(3, 24, 48, .88)), var(--technology-card-image) center / cover no-repeat; }
.technology-online-card-copy { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: clamp(26px, 3vw, 44px) 30px; }
.technology-online-card h2, .technology-online-card h3 { margin: 0; color: inherit; font-size: 24px; font-weight: 500; line-height: 1.5; }
.technology-online-card p { margin: 20px 0 30px; font-size: 16px; line-height: 1.8; }
.technology-online-link { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; margin-top: auto; padding: 6px 0; color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .6); font-size: 15px; font-weight: 500; }
.technology-online-link span { font-size: 22px; line-height: 1; transition: transform .2s ease; }
.technology-online-link:hover span, .technology-online-link:focus-visible span { transform: translateX(4px); }
.global-agency-online { color: var(--ink); background: #fff; }
.global-agency-online .entry-hero-eyebrow { font-size: 12px; font-weight: 500; line-height: 1; }
.global-agency-intro { padding: 96px 0 44px; text-align: center; }
.global-agency-online .global-agency-intro-inner, .global-agency-online .global-agency-network-inner { width: min(calc(100% - 180px), 1425px); }
.global-agency-intro h1 { margin: 0; color: #444; font-size: 34px; font-weight: 700; line-height: 44px; }
.global-agency-intro p { margin: 16px auto 0; color: #676767; font-size: 14px; line-height: 24px; }
.global-agency-network { padding: 0 0 70px; }
.global-agency-region-list { display: grid; gap: 20px; }
.global-agency-region-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1fr); align-items: center; min-height: 106px; padding: 22px; border: 1px solid #dedede; border-radius: 5px; background: #fff; transition: border-color .2s ease, box-shadow .2s ease; }
.global-agency-region-row:hover, .global-agency-region-row:focus-within { border-color: #b8dce1; box-shadow: 0 3px 12px rgba(7, 55, 84, .05); }
.global-agency-region-identity { display: flex; align-items: center; gap: 18px; }
.global-agency-region-icon { flex: 0 0 42px; width: 42px; height: 44px; color: #676767; }
.global-agency-region-identity h2 { margin: 0; padding-right: 12px; color: #676767; font-size: 20px; font-weight: 500; line-height: 1.4; letter-spacing: .1em; }
.global-agency-region-countries { margin: 0; color: #676767; font-size: 14px; line-height: 1.7; }
.global-agency-more { justify-self: end; display: inline-flex; align-items: center; justify-content: center; min-height: 28px; margin-right: 3px; padding: 5px 12px; color: #111; background: #f3f3f3; font-size: 14px; font-weight: 700; line-height: 18px; letter-spacing: 2px; white-space: nowrap; transition: background-color .2s ease; }
.global-agency-more:hover, .global-agency-more:focus-visible { color: #111; background: #e6eef0; }
@media (max-width: 999px) {
    .global-agency-online .global-agency-intro-inner, .global-agency-online .global-agency-network-inner { width: calc(100% - 70px); }
    .global-agency-intro { padding-top: 64px; }
    .global-agency-region-row { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "identity more" "countries countries"; gap: 14px 12px; min-height: 140px; }
    .global-agency-region-identity { grid-area: identity; min-width: 0; }
    .global-agency-region-identity h2 { padding-right: 0; font-size: 16px; overflow-wrap: anywhere; }
    .global-agency-region-countries { grid-area: countries; }
    .global-agency-more { grid-area: more; min-height: 44px; margin-right: 0; }
}
@media (max-width: 700px) {
    .global-agency-online .entry-hero { min-height: 254px; }
    .global-agency-online .entry-hero-copy { width: calc(100% - 70px); padding-top: 86px; padding-bottom: 40px; }
    .global-agency-online .entry-hero-eyebrow { font-size: clamp(28px, 8.66vw, 34px); font-weight: 700; line-height: 1; letter-spacing: 0; }
    .global-agency-online .entry-hero-copy p { font-size: 22px; line-height: 1.2; }
    .global-agency-intro { padding: 24px 0 60px; }
    .global-agency-intro h1 { font-size: 26px; line-height: 32px; }
    .global-agency-intro p { margin-top: 32px; line-height: 1.6; }
    .global-agency-network { padding-bottom: 64px; }
}
@media (max-width: 360px) {
    .global-agency-region-row { grid-template-columns: minmax(0, 1fr); grid-template-areas: "identity" "countries" "more"; }
    .global-agency-more { justify-self: start; }
}
.global-agency-region-page { color: var(--ink); background: #fff; }
.global-agency-region-intro { padding: clamp(56px, 7vw, 94px) 0 48px; text-align: center; }
.global-agency-region-intro-inner { max-width: 900px; }
.global-agency-region-name { margin: 28px 0 0; color: #676767; font-size: 24px; font-weight: 500; line-height: 1.5; }
.global-agency-region-intro h1 { margin: 0; color: #676767; font-size: clamp(28px, 3vw, 34px); font-weight: 500; line-height: 1.4; }
.global-agency-feature { padding: 0 0 clamp(56px, 7vw, 96px); background: #fff; }
.global-agency-feature-heading { max-width: 780px; margin: 0 auto 36px; text-align: center; }
.global-agency-feature-heading h3 { margin: 0 0 12px; color: #676767; font-size: clamp(20px, 2.2vw, 26px); font-weight: 500; line-height: 1.5; }
.global-agency-feature-heading p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.global-agency-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; align-items: start; }
.global-agency-feature-card { min-width: 0; overflow: hidden; border: 1px solid #dce8ec; background: #fff; box-shadow: 0 8px 20px rgba(6, 54, 80, .04); }
.global-agency-feature-media { background: #fff; }
.global-agency-feature-media img, .global-agency-feature-media iframe { display: block; width: 100%; height: auto; border: 0; }
.global-agency-feature-media img { object-fit: contain; background: #fff; }
.global-agency-feature-copy { padding: 22px 24px 26px; }
.global-agency-feature-copy h4 { margin: 0; color: var(--navy); font-size: 20px; line-height: 1.45; }
.global-agency-feature-copy p { margin: 10px 0 0; color: #5a6e7b; font-size: 15px; line-height: 1.8; }
.global-agency-showcase { padding: 0 0 clamp(56px, 7vw, 96px); background: #fff; }
.global-agency-showcase-heading { max-width: 800px; margin: 0 auto 36px; text-align: center; }
.global-agency-showcase-heading h3 { margin: 0 0 12px; color: #676767; font-size: clamp(20px, 2.2vw, 26px); font-weight: 500; line-height: 1.5; }
.global-agency-showcase-heading p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.global-agency-showcase-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; align-items: start; }
.global-agency-showcase.is-partner-showcase .global-agency-showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.global-agency-showcase-card { min-width: 0; overflow: hidden; border: 1px solid #dce8ec; background: #fff; box-shadow: 0 8px 20px rgba(6, 54, 80, .04); transition: box-shadow .2s ease, transform .2s ease; }
.global-agency-showcase-card:hover { box-shadow: 0 14px 30px rgba(6, 54, 80, .12); transform: translateY(-3px); }
.global-agency-showcase-media { background: #fff; }
.global-agency-showcase-media img, .global-agency-showcase-media iframe { display: block; width: 100%; height: auto; border: 0; }
.global-agency-showcase-media img { object-fit: contain; }
.global-agency-showcase-card.is-logo .global-agency-showcase-media { background: #fff; }
.global-agency-showcase-card.is-logo .global-agency-showcase-media img { object-fit: contain; }
.global-agency-showcase-copy { padding: 22px 24px 26px; }
.global-agency-showcase-copy h4 { margin: 0; color: var(--navy); font-size: 20px; line-height: 1.45; }
.global-agency-showcase-copy p { margin: 10px 0 0; color: #5a6e7b; font-size: 15px; line-height: 1.8; }
.global-agency-feature-card.is-video .global-agency-feature-media,
.global-agency-showcase-card.is-video .global-agency-showcase-media { aspect-ratio: var(--case-video-aspect); background: #121b25; }
.global-agency-feature-media iframe, .global-agency-showcase-media iframe { height: 100%; }
.global-agency-cases { padding: clamp(64px, 8vw, 108px) 0 clamp(84px, 10vw, 138px); background: #f3f8fa; }
.global-agency-cases-heading { margin-bottom: 32px; text-align: center; }
.global-agency-cases-heading span { display: block; color: var(--action-teal); font-size: 13px; font-weight: 700; letter-spacing: .16em; }
.global-agency-cases-heading h2 { margin: 10px 0 0; color: var(--navy); font-size: clamp(28px, 3.4vw, 40px); line-height: 1.25; }
.global-agency-case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.global-agency-case { display: flex; flex-direction: column; min-width: 0; border: 1px solid #dce8ec; background: #fff; box-shadow: 0 8px 20px rgba(6, 54, 80, .04); transition: box-shadow .2s ease, transform .2s ease; }
.global-agency-case:hover { box-shadow: 0 14px 30px rgba(6, 54, 80, .12); transform: translateY(-3px); }
.global-agency-case-image { height: 226px; overflow: hidden; background: #e5eef1; }
.global-agency-case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.global-agency-case:hover .global-agency-case-image img { transform: scale(1.04); }
.global-agency-case-symbol { display: grid; place-items: center; height: 96px; color: #72c3d3; background: linear-gradient(135deg, #eaf8fa, #f9fcfc); font-size: 28px; font-weight: 700; letter-spacing: .1em; }
.global-agency-case-copy { display: flex; flex: 1; flex-direction: column; padding: 26px 26px 28px; }
.global-agency-case-copy h3 { margin: 0; color: var(--navy); font-size: 21px; line-height: 1.45; }
.global-agency-case-copy p { margin: 13px 0 0; color: #5a6e7b; font-size: 15px; line-height: 1.8; }
.is-icon-cases .global-agency-region-intro { padding: clamp(56px, 7vw, 94px) 0 36px; }
.is-icon-cases .global-agency-region-intro h1 { margin: 0; color: #676767; font-size: clamp(28px, 3vw, 34px); font-weight: 500; }
.is-icon-cases .global-agency-cases { padding: 0 0 64px; background: #fff; }
.is-icon-cases .global-agency-cases-heading { margin-bottom: 48px; }
.is-icon-cases .global-agency-cases-heading h2 { margin: 0; color: #676767; font-size: 24px; font-weight: 500; }
.is-icon-cases .global-agency-case-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 48px 28px; }
.is-icon-cases .global-agency-case { align-items: flex-start; border: 0; box-shadow: none; transform: none; }
.global-agency-case-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 20px; color: var(--action-teal); border-radius: 50%; background: #e8f6f7; }
.global-agency-case-icon svg { width: 28px; height: 28px; }
.is-icon-cases .global-agency-case:nth-child(even) .global-agency-case-icon { color: #596775; background: #f0f2f4; }
.is-icon-cases .global-agency-case-copy { padding: 0; }
.is-icon-cases .global-agency-case-copy h3 { color: #676767; font-size: 20px; font-weight: 500; }
.is-icon-cases .global-agency-case-copy p { margin: 10px 0 0; color: var(--text-secondary); font-size: 16px; }
.global-agency-all-link { padding: clamp(58px, 7vw, 96px) 0; background: #f3f8fa; }
.global-agency-all-link-inner { display: flex; justify-content: center; }
.surface-products-hero { position: relative; min-height: 400px; display: flex; align-items: flex-end; overflow: hidden; color: #fff; background-image: var(--surface-products-image); background-position: center; background-size: cover; }
.surface-products-hero-overlay { position: absolute; inset: 0; background: rgba(3,20,40,.12); }
.surface-products-hero-inner { position: relative; z-index: 1; padding-top: 0; padding-bottom: 125px; }
.surface-products-hero h1 { margin: 0 0 8px; font-size: 14px; font-weight: 700; line-height: 1.3; letter-spacing: .08em; }
.surface-products-hero p { margin: 0; color: #fff; font-size: clamp(18px, 2vw, 22px); font-weight: 400; }
.surface-products-intro { padding: clamp(65px, 6vw, 100px) 0 32px; background: linear-gradient(180deg, #eaf1fd 0%, rgba(255,255,255,.98) 100%); text-align: center; }
.surface-products-container { width: min(calc(100% - 48px), 1180px); }
.surface-products-intro h2 { margin: 0; color: var(--navy); font-size: clamp(30px, 4vw, 50px); line-height: 1.2; }
.surface-products-intro p { max-width: 820px; margin: 20px auto 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.surface-products-grid-section { padding: 22px 0 80px; background: #fff; }
.surface-products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.surface-product-card { position: relative; min-height: 350px; display: flex; align-items: end; overflow: hidden; color: #fff; border-radius: 5px; background-image: var(--surface-product-image); background-position: center; background-size: cover; box-shadow: 0 14px 35px rgba(0,56,125,.12); isolation: isolate; }
.surface-product-card::before { position: absolute; inset: 0; z-index: -1; content: ""; background: linear-gradient(180deg, rgba(2,18,42,.05) 15%, rgba(2,18,42,.82) 100%); transition: background .3s ease, transform .5s ease; }
.surface-product-card:hover::before, .surface-product-card:focus::before { background: linear-gradient(180deg, rgba(2,18,42,.25) 0%, rgba(2,18,42,.92) 100%); transform: scale(1.06); }
.surface-product-card-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, rgba(0,159,176,.18), transparent 60%); }
.surface-product-card-content { position: relative; z-index: 1; width: 100%; padding: 28px 24px 25px; }
.surface-product-card h3 { margin: 0; color: #fff; font-size: 22px; line-height: 1.35; }
.surface-product-card p { max-height: 0; margin: 0; overflow: hidden; color: rgba(255,255,255,.86); font-size: 15px; line-height: 1.7; opacity: 0; transform: translateY(10px); transition: max-height .3s ease, margin .3s ease, opacity .3s ease, transform .3s ease; }
.surface-product-card:hover p, .surface-product-card:focus p { max-height: 100px; margin-top: 12px; opacity: 1; transform: translateY(0); }
.surface-products-strip { --strip-visible: 4; --strip-gap: 20px; padding: 40px 0; background: #f5f5f5; }
.surface-products-strip-viewport { overflow: clip; }
/* Each group includes all products plus its trailing gap, so the two copies never overlap. */
.surface-products-strip-track { display: flex; width: calc((100% + var(--strip-gap)) * var(--strip-count) / var(--strip-visible) * 2); animation: surface-products-carousel 30s linear infinite; }
.surface-products-strip:hover .surface-products-strip-track { animation-play-state: paused; }
.surface-products-strip:focus-within .surface-products-strip-track { animation: none; }
.surface-products-strip:focus-within .surface-products-strip-viewport { overflow-x: auto; }
.surface-products-strip-group { display: grid; flex: 0 0 50%; grid-template-columns: repeat(var(--strip-count), minmax(0, 1fr)); gap: var(--strip-gap); padding-right: var(--strip-gap); align-items: center; }
.surface-products-strip-item { min-width: 0; min-height: 125px; display: grid; place-items: center; }
.surface-products-strip-item:focus-visible { outline-color: var(--action-teal); outline-offset: -3px; }
.surface-products-strip-item img { width: 100%; max-width: 250px; height: 125px; object-fit: contain; }
@keyframes surface-products-carousel { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-50%, 0, 0); } }
@media (prefers-reduced-motion: reduce) {
    .surface-products-strip-track { display: block; width: 100%; animation: none; }
    .surface-products-strip-group { grid-template-columns: repeat(var(--strip-visible), minmax(0, 1fr)); padding-right: 0; }
    .surface-products-strip-group[aria-hidden="true"] { display: none; }
}
.air-filter-online { color: #fff; background: #00387d; }
.air-filter-hero { padding: clamp(72px, 8vw, 130px) 0 0; background: #00387d; text-align: center; }
.air-filter-hero-inner { max-width: 980px; }
.air-filter-kicker { color: var(--cyan); font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.air-filter-hero h1 { margin: 14px 0 10px; color: #fff; font-size: var(--font-size-title); line-height: 1.35; }
.air-filter-subtitle { margin: 0; color: rgba(255,255,255,.88); font-size: clamp(18px, 2vw, 25px); }
.air-filter-intro { max-width: var(--reading-width); margin: 24px auto 0; color: #e8f1fa; font-size: var(--font-size-body); line-height: var(--body-leading); }
.air-filter-intro p { margin: 0 0 12px; }
.air-filter-product-image { display: block; width: min(100%, 703px); height: auto; margin: 28px auto -2px; }
.air-filter-tabs-section { padding: clamp(64px, 6vw, 100px) 0; background: #00387d; }
.air-filter-tabs-container { width: min(calc(100% - 48px), 1080px); }
.air-filter-tab-list { display: flex; justify-content: flex-start; gap: 24px; margin-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.35); }
.air-filter-tab { position: relative; padding: 0 0 16px; color: rgba(255,255,255,.72); border: 0; background: transparent; font: inherit; font-size: 18px; font-weight: 700; cursor: pointer; }
.air-filter-tab::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; content: ""; background: transparent; }
.air-filter-tab:hover, .air-filter-tab.is-active { color: #fff; }
.air-filter-tab.is-active::after { background: var(--cyan); }
.air-filter-tab-panel { min-height: 280px; color: rgba(255,255,255,.9); }
.air-filter-tab-panel ul { max-width: 920px; margin: 0; padding-left: 28px; }
.air-filter-tab-panel li { margin: 0 0 16px; font-size: var(--font-size-body); line-height: var(--body-leading); }
.air-filter-usage-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; max-width: 700px; margin: 36px auto 0; }
.air-filter-usage-gallery img { width: 100%; max-height: 470px; object-fit: contain; background: #fff; }
.air-filter-product-strip { color: var(--navy); background: #f5f5f5; }
.customized-filter-online { color: #fff; background: #00387d; }
.customized-filter-hero { padding: clamp(72px, 8vw, 130px) 0 0; background: #00387d; text-align: center; }
.customized-filter-hero-inner { max-width: 980px; }
.customized-filter-kicker { color: var(--cyan); font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.customized-filter-hero h1 { margin: 14px 0 0; color: #fff; font-size: var(--font-size-title); line-height: 1.35; }
.customized-filter-intro { max-width: var(--reading-width); margin: 24px auto 0; color: #e8f1fa; font-size: var(--font-size-body); line-height: var(--body-leading); }
.customized-filter-intro p { margin: 0 0 8px; }
.customized-filter-product-image { display: block; width: min(100%, 900px); height: auto; margin: 34px auto clamp(56px, 7vw, 96px); }
.customized-filter-product-strip { color: var(--navy); background: #f5f5f5; }
.surface-product-detail-online { color: #fff; background: #00387d; }
.surface-product-detail-hero { padding: clamp(72px, 8vw, 130px) 0 0; background: #00387d; text-align: center; }
.surface-product-detail-hero-inner { max-width: 980px; }
.surface-product-detail-kicker { color: var(--cyan); font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.surface-product-detail-hero h1 { margin: 14px 0 10px; color: #fff; font-size: var(--font-size-title); line-height: 1.35; }
.surface-product-detail-subtitle { margin: 0; color: rgba(255,255,255,.88); font-size: clamp(18px, 2vw, 25px); }
.surface-product-detail-intro { max-width: var(--reading-width); margin: 24px auto 0; color: #e8f1fa; font-size: var(--font-size-body); line-height: var(--body-leading); }
.surface-product-detail-intro p { margin: 0 0 12px; }
.surface-product-detail-image { display: block; width: min(100%, 703px); height: auto; margin: 32px auto 28px; }
.surface-product-detail-nav { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px; padding-bottom: clamp(50px, 6vw, 82px); background: #00387d; }
.surface-product-detail-nav a:not(.page-return-button) { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; max-width: 100%; padding: 8px 14px; color: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.44); font-size: 14px; font-weight: 700; line-height: 1.4; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.surface-product-detail-nav a:not(.page-return-button):hover, .surface-product-detail-nav a:not(.page-return-button):focus-visible { color: var(--navy); border-color: #fff; background: #fff; }
.surface-product-detail-tabs-section { padding: clamp(64px, 6vw, 100px) 0; background: #00387d; }
.surface-product-detail-tabs-container { width: min(calc(100% - 48px), 1080px); }
.surface-product-detail-tab-list { display: flex; justify-content: flex-start; gap: 24px; margin-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.35); }
.surface-product-detail-tab { position: relative; padding: 0 0 16px; color: rgba(255,255,255,.72); border: 0; background: transparent; font: inherit; font-size: 18px; font-weight: 700; cursor: pointer; }
.surface-product-detail-tab::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; content: ""; background: transparent; }
.surface-product-detail-tab:hover, .surface-product-detail-tab:focus-visible, .surface-product-detail-tab.is-active { color: #fff; outline: 0; }
.surface-product-detail-tab.is-active::after { background: var(--cyan); }
.surface-product-detail-tab-panel { min-height: 300px; color: rgba(255,255,255,.9); }
.surface-product-detail-tab-panel ul { max-width: 920px; margin: 0; padding-left: 28px; }
.surface-product-detail-tab-panel li { margin: 0 0 16px; font-size: var(--font-size-body); line-height: var(--body-leading); }
.surface-product-detail-strip { color: var(--navy); background: #f5f5f5; }
.about-online .online-image-section { padding-top: 30px; padding-bottom: 86px; }
.about-online .online-image-section img { display: block; width: min(100%, 920px); max-height: 620px; margin: 0 auto; object-fit: contain; }
.about-online .online-caption { margin: -4px auto 32px; color: var(--muted); font-size: 16px; }
.about-online .online-image-section.tone-gray { background: #f2f2f2; }
.about-online .online-image-section.tone-gray .online-section-inner { width: min(100%, 1180px); }
.about-online .online-image-section.tone-gray img { width: min(100%, 1100px); max-height: none; }
.about-online .online-image-section + .online-quotes-section { padding-top: 88px; }

/* Air protection page follows the public page's white, dark statement and video rhythm. */
.air-online { color: #17202d; background: #fff; }
.air-intro-section { padding: 92px 0 38px; background: #fff; text-align: center; }
.air-intro-inner { max-width: 920px; }
.air-intro-section h1 { margin: 10px 0 20px; color: var(--navy); font-size: var(--font-size-title); line-height: 1.35; }
.air-intro-section p { margin: 0; color: var(--muted); font-size: 17px; }
.air-mechanism-section { padding: 12px 0 88px; background: #fff; }
.air-mechanism-container { max-width: 1180px; }
.air-mechanism-visual { position: relative; width: min(100%, 1120px); margin: 0 auto; }
.air-mechanism-visual > img { display: block; width: 100%; height: auto; }
.air-mechanism-hotspot { position: absolute; z-index: 1; width: 30px; height: 30px; }
.air-mechanism-hotspot.top-left { top: 19.44%; left: 27.32%; }
.air-mechanism-hotspot.bottom-center { top: 91.56%; left: 49.04%; }
.air-mechanism-hotspot.top-right { top: 19.1%; left: 69.77%; }
.air-hotspot-dot { position: relative; z-index: 2; display: grid; place-items: center; width: 30px; height: 30px; padding: 0; color: #fff; border: 2px solid #fff; border-radius: 50%; background: #227bf7; box-shadow: 0 30px 102px rgba(0,0,0,.33), 0 20px 51px rgba(0,0,0,.18); font-size: 20px; font-weight: 400; line-height: 1; cursor: pointer; }
.air-mechanism-copy { position: absolute; bottom: 50px; left: 15px; width: 250px; padding: 23px; color: #666; border-radius: 10px; background: #fff; box-shadow: 0 30px 102px rgba(0,0,0,.33), 0 20px 51px rgba(0,0,0,.18); opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 8px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; line-height: 1.6; }
.air-mechanism-hotspot:hover .air-mechanism-copy, .air-mechanism-hotspot:focus-within .air-mechanism-copy, .air-mechanism-hotspot.is-open .air-mechanism-copy { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.air-mechanism-copy h2 { margin: 0 0 4px; color: #227bf7; font-size: 18px; line-height: 1.45; }
.air-mechanism-copy p { margin: 0; color: #666; font-size: 14px; line-height: 1.6; }
.air-black-background { position: relative; overflow: hidden; color: #fff; background-image: var(--air-statement-image); background-position: center top; background-size: cover; background-attachment: fixed; }
.air-black-background-overlay { position: absolute; inset: 0; z-index: 0; background: rgba(0,0,0,.82); }
.air-statement-section { position: relative; z-index: 1; min-height: 405px; display: grid; place-items: center; overflow: hidden; color: #fff; background: transparent; }
.air-statement-content { position: relative; z-index: 1; max-width: 1000px; padding-top: 82px; padding-bottom: 82px; text-align: center; }
.air-statement-content p { margin: 14px 0; color: #fff; font-size: clamp(18px, 2vw, 25px); font-weight: 700; line-height: 1.65; }
.air-microbes-section { position: relative; z-index: 1; padding: 28px 0 92px; background: transparent; }
.air-microbes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; max-width: 1060px; }
.air-microbe-card { margin: 0; text-align: center; }
.air-microbe-card img { display: block; width: min(100%, 246px); aspect-ratio: 1; margin: 0 auto 18px; object-fit: cover; }
.air-microbe-card figcaption { color: #fff; font-size: 21px; font-weight: 700; }
.air-video-section { position: relative; min-height: 0; display: grid; place-items: center; overflow: hidden; color: #fff; padding: 10vw 0; background-image: var(--air-video-image); background-position: center center; background-size: cover; }
.air-video-overlay { position: absolute; inset: 0; background: rgba(255,255,255,.76); }
.air-video-content { position: relative; z-index: 1; display: grid; place-items: center; width: min(calc(100% - 48px), 1160px); max-width: none; min-height: 0; }
.air-video-frame { position: relative; display: block; width: 100%; overflow: hidden; background: #d9dde0; box-shadow: 0 14px 34px rgba(0,0,0,.08); }
.air-video-frame img { display: block; width: 100%; height: auto; aspect-ratio: 2560 / 1369; object-fit: cover; }
.air-video-button { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 70px; height: 70px; padding-left: 4px; color: #fff; border-radius: 50%; background: var(--teal); font-size: 23px; transform: translate(-50%, -50%); transition: transform .2s ease, background .2s ease; }
.air-video-frame:hover .air-video-button { background: var(--navy); transform: translate(-50%, -50%) scale(1.08); }

/* Test report pages follow the online horizontal-list layout. */
.reports-online { color: #17202d; background: #fff; }
.reports-intro-section { padding: 8vw 0 46px; background: #fff; text-align: center; }
.reports-intro-inner { max-width: 920px; }
.reports-intro-section h1 { margin: 10px 0 22px; color: var(--navy); font-size: var(--font-size-title); line-height: 1.35; }
.reports-intro-section p { margin: 0; color: rgba(10,10,10,.65); font-size: 17px; }
.reports-list-section { padding: 0 0 76px; background: #fff; }
.reports-list { width: min(calc(100% - 48px), 930px); }
.report-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; min-height: 72px; margin-top: -1px; padding: 17px 22px; border: 1px solid #dfe5e9; border-radius: 5px; background: #fff; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.report-row:hover { position: relative; z-index: 1; border-color: var(--action-teal); box-shadow: 0 12px 28px rgba(0,56,125,.09); transform: translateY(-2px); }
.report-title-link { color: var(--navy); }
.report-title-link h2 { margin: 0; font-size: clamp(16px, 1.7vw, 20px); line-height: 1.5; }
.report-download { display: inline-flex; align-items: center; gap: 8px; color: var(--action-teal); font-size: 15px; font-weight: 700; white-space: nowrap; }
.report-download span { font-size: 20px; line-height: 1; }
.reports-switch-section { padding: 0 0 90px; background: #fff; text-align: center; }
.reports-switch-inner { display: flex; justify-content: center; }

/* Brand partners: logo index and the original brand-by-brand case sequence. */
.brand-strategy-page { background: #fff; }
.brand-strategy-hero { display: flex; align-items: flex-end; min-height: 400px; color: #fff; background-color: var(--navy); background-image: linear-gradient(90deg, rgba(0, 34, 78, .2), rgba(0, 34, 78, .04)), var(--brand-hero-image); background-position: center; background-size: cover; }
.brand-strategy-hero-inner { padding-top: 0; padding-bottom: 125px; }
.brand-strategy-hero h1 { margin: 0 0 8px; font-size: 14px; font-weight: 700; line-height: 1.3; letter-spacing: .08em; }
.brand-strategy-hero p { max-width: 780px; margin: 0; font-size: clamp(18px, 2vw, 22px); font-weight: 400; line-height: 1.5; }
.brand-strategy-intro { padding: clamp(76px, 8vw, 118px) 0 clamp(90px, 11vw, 142px); text-align: center; }
.brand-strategy-intro h2 { margin: 0; color: #414141; font-size: clamp(30px, 3.5vw, 38px); line-height: 1.2; }
.brand-strategy-logos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: center; gap: 22px 26px; max-width: 1000px; margin: clamp(38px, 5vw, 66px) auto 0; }
.brand-strategy-logo { display: flex; align-items: center; justify-content: center; min-width: 0; min-height: 70px; padding: 4px; }
.brand-strategy-logo img { width: 100%; max-width: 175px; height: auto; max-height: 70px; object-fit: contain; filter: grayscale(1); opacity: .72; transition: filter .25s ease, opacity .25s ease, transform .25s ease; }
.brand-strategy-logo:hover img, .brand-strategy-logo:focus-visible img { filter: grayscale(0); opacity: 1; transform: translateY(-2px); }
.brand-strategy-logo:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.brand-strategy-logo.is-static { cursor: default; }
.brand-strategy-section { padding: clamp(70px, 8vw, 116px) 0; scroll-margin-top: 78px; background: #fff; }
.brand-strategy-section.is-soft { background: #f7f7f7; }
.brand-strategy-section-heading { margin: 0 auto 42px; color: var(--action-teal); font-size: clamp(25px, 2.7vw, 36px); font-weight: 700; line-height: 1.35; text-align: center; }
.brand-strategy-block + .brand-strategy-block { margin-top: clamp(62px, 7vw, 96px); }
.brand-strategy-block h3 { margin: 0 0 28px; color: var(--ink); font-size: clamp(22px, 2.3vw, 30px); line-height: 1.4; text-align: center; }
.brand-strategy-subheading { margin: -9px auto 28px; color: var(--ink); font-size: 17px; font-weight: 700; line-height: 1.7; text-align: center; }
.brand-strategy-gallery { display: grid; align-items: start; gap: 28px 22px; }
.brand-strategy-gallery.is-1-column { grid-template-columns: minmax(0, 1fr); gap: 20px; }
.brand-strategy-gallery.is-3-column { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.brand-strategy-gallery.is-4-column { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.brand-strategy-figure { min-width: 0; margin: 0; }
.brand-strategy-figure img { width: 100%; height: auto; border-radius: 3px; box-shadow: 0 9px 24px rgba(0, 0, 0, .1); }
.brand-strategy-figure figcaption { margin: 15px 0 0; color: var(--ink); font-size: 16px; font-weight: 700; line-height: 1.55; text-align: center; }
.brand-strategy-video { width: 100%; overflow: hidden; background: #121b25; }
.brand-strategy-video iframe { display: block; width: 100%; height: 315px; border: 0; }
.brand-strategy-credit { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.brand-strategy-action { text-align: center; }
.brand-strategy-action a { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 12px 28px; color: #fff; background: var(--action-teal); font-size: 16px; font-weight: 700; transition: background-color .2s ease, transform .2s ease; }
.brand-strategy-action a:hover, .brand-strategy-action a:focus-visible { color: #fff; background: var(--navy); transform: translateY(-2px); }

@media (max-width: 1100px) {
    .nav-shell { width: min(calc(100% - 32px), var(--container)); }
    .nav-item > a { padding-inline: 8px; font-size: 13px; line-height: 1.5; }
    .brand img { width: 160px; }
}

@media (max-width: 860px) {
    .container, .nav-shell, .footer-shell { width: min(calc(100% - 32px), var(--container)); }
    .nav-shell { min-height: 70px; }
    .brand img { width: 165px; }
    .menu-toggle { display: block; }
    .site-navigation { position: absolute; top: 70px; left: 0; right: 0; display: none; max-height: calc(100vh - 70px); overflow: auto; padding: 10px 16px 20px; background: #fff; box-shadow: 0 20px 30px rgba(0,0,0,.12); }
    .site-navigation.is-open { display: block; }
    .nav-list { display: block; }
    .nav-item > a { padding: 12px 4px; line-height: 1.5; }
    .has-children > a::after { display: none; }
    .submenu { position: static; display: none; padding: 0 0 4px 12px; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
    .has-children.is-open > .submenu { display: block; }
    .submenu .has-children > .submenu { top: auto; left: auto; margin-left: 0; transform: none; }
    .submenu-toggle { position: absolute; top: 4px; right: 0; display: block; width: 36px; height: 36px; padding: 0; color: var(--teal); border: 0; background: transparent; }
    .language-item { margin: 8px 0 0; border-top: 1px solid #d9e3ec; border-left: 0; }
    .hero { height: 620px; min-height: 540px; }
    .hero h1 { max-width: 580px; letter-spacing: 0; line-height: 1.25; }
    .technology-grid { grid-template-columns: 1fr; }
    .technology-card { min-height: 300px; }
    .product-row, .product-row.reverse { grid-template-columns: 1fr; }
    .product-row .product-copy, .product-row.reverse .product-copy { order: 2; }
    .product-row .product-image, .product-row.reverse .product-image { order: 1; }
    .product-image { min-height: 320px; }
    .intro-grid { grid-template-columns: 1fr; }
    .intro-card-inner { min-height: 240px; padding-top: 42px; padding-bottom: 42px; }
    .intro-link { margin-top: 0; }
    .page-hero { min-height: 320px; }
    .page-hero-content { padding-top: 70px; padding-bottom: 52px; }
    .content-image-text, .content-image-text.reverse { grid-template-columns: 1fr; }
    .content-image-text.reverse .content-media, .content-image-text.reverse .content-copy { order: initial; }
    .content-cards { grid-template-columns: 1fr; }
    .content-card p { min-height: 0; }
    .about-online .quote-card { padding-inline: 10px; }
    .about-online .quote-grid { min-height: 320px; }
    .surface-hero { min-height: 470px; }
    .surface-feature-grid { grid-template-columns: 1fr; gap: 18px; }
    .surface-feature { padding-inline: 0; }
    .surface-tests-section { padding-top: 72px; padding-bottom: 80px; }
    .surface-internal-content { padding-top: 72px; padding-bottom: 80px; }
    .surface-top-background { background-attachment: scroll; }
    .surface-products-hero { min-height: 320px; }
    .surface-products-hero-inner { padding-top: 58px; padding-bottom: 58px; }
    .products-online-row, .products-online-row.is-reverse { grid-template-columns: 1fr; }
    .products-online-row .products-online-copy, .products-online-row.is-reverse .products-online-copy { order: 2; }
    .products-online-row .products-online-image, .products-online-row.is-reverse .products-online-image { order: 1; }
    .products-online-image img { min-height: 360px; }
    .technology-online-grid { grid-template-columns: 1fr; }
    .technology-online-card { min-height: 300px; }
    .is-icon-cases .global-agency-case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .global-agency-case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .global-agency-showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .brand-strategy-logos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .brand-strategy-gallery.is-3-column, .brand-strategy-gallery.is-4-column { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .surface-products-grid { grid-template-columns: repeat(2, 1fr); }
    .surface-products-strip { --strip-visible: 2; }
    .air-filter-hero { padding-top: 64px; }
    .air-filter-product-image { width: min(100%, 620px); }
    .customized-filter-hero { padding-top: 64px; }
    .customized-filter-product-image { width: min(100%, 620px); }
    .surface-product-detail-hero { padding-top: 64px; }
    .surface-product-detail-image { width: min(100%, 620px); }
    .surface-product-detail-tab-list { gap: 24px; margin-bottom: 32px; }
    .surface-product-detail-tab { font-size: 16px; }
    .air-filter-tab-list { gap: 24px; margin-bottom: 32px; }
    .air-filter-tab { font-size: 16px; }
    .air-mechanism-section { padding-bottom: 68px; }
    .air-mechanism-hotspot { position: static; display: flex; align-items: flex-start; gap: 14px; width: auto; height: auto; margin: 18px 0 0; }
    .air-mechanism-hotspot .air-hotspot-dot { flex: 0 0 auto; }
    .air-mechanism-copy, .air-mechanism-hotspot:hover .air-mechanism-copy, .air-mechanism-hotspot:focus-within .air-mechanism-copy, .air-mechanism-hotspot.is-open .air-mechanism-copy { position: static; width: auto; min-width: 0; padding: 0; color: var(--navy); border-radius: 0; background: transparent; box-shadow: none; opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
    .air-mechanism-copy h2 { color: var(--navy); }
    .air-mechanism-copy p { color: var(--muted); }
    .air-statement-section { min-height: 380px; }
    .air-black-background { background-attachment: scroll; }
}

@media (max-width: 560px) {
    .section { padding: var(--space-section) 0; }
    .hero { height: 600px; min-height: 520px; }
    .hero-content { padding-top: 0; }
    .hero h1 { font-size: 34px; letter-spacing: 0; line-height: 1.25; }
    .hero-description { font-size: 16px; }
    .surface-products-container { width: min(calc(100% - 32px), 1180px); }
    .products-online-list { width: min(calc(100% - 32px), 1180px); gap: 0; }
    .products-online-intro { padding-top: 72px; }
    .products-online-copy { padding: 38px 30px 44px; }
    .products-online-image img { min-height: 285px; }
    .technology-online-grid.is-reports { grid-template-columns: 1fr; }
    .technology-online-card-copy { padding: 30px 26px; }
    .is-icon-cases .global-agency-case-grid { grid-template-columns: 1fr; gap: 36px; }
    .global-agency-region-intro { padding-top: 58px; }
    .global-agency-feature-grid { grid-template-columns: 1fr; gap: 16px; }
    .global-agency-showcase-grid { grid-template-columns: 1fr; gap: 16px; }
    .global-agency-showcase.is-partner-showcase .global-agency-showcase-grid { grid-template-columns: 1fr; }
    .global-agency-case-grid { grid-template-columns: 1fr; gap: 16px; }
    .global-agency-case-image { height: 248px; }
    .brand-strategy-intro { padding-top: 72px; }
    .brand-strategy-hero { min-height: 320px; }
    .brand-strategy-logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .brand-strategy-logo { min-height: 68px; }
    .brand-strategy-logo img { max-height: 64px; }
    .brand-strategy-gallery.is-3-column, .brand-strategy-gallery.is-4-column { grid-template-columns: 1fr; }
    .brand-strategy-video iframe { height: auto; aspect-ratio: 16 / 9; }
    .surface-products-grid { grid-template-columns: 1fr; gap: 16px; }
    .surface-product-card { min-height: 310px; }
    .surface-products-strip { --strip-visible: 1; --strip-gap: 12px; }
    .air-filter-tabs-container { width: min(calc(100% - 32px), 1080px); }
    .air-filter-tab-list { gap: 24px; margin-bottom: 32px; overflow-x: auto; }
    .air-filter-tab { flex: 0 0 auto; font-size: 15px; white-space: nowrap; }
    .air-filter-tab-panel li { font-size: var(--font-size-body); line-height: var(--body-leading); margin: 0 0 16px; }
    .air-filter-usage-gallery { grid-template-columns: 1fr; gap: 16px; }
    .surface-product-detail-tabs-container { width: min(calc(100% - 32px), 1080px); }
    .surface-product-detail-nav { width: min(calc(100% - 32px), var(--container)); }
    .surface-product-detail-nav a { width: 100%; }
    .surface-product-detail-tab-list { gap: 24px; margin-bottom: 32px; overflow-x: auto; }
    .surface-product-detail-tab { flex: 0 0 auto; font-size: 15px; white-space: nowrap; }
    .surface-product-detail-tab-panel li { font-size: var(--font-size-body); line-height: var(--body-leading); margin: 0 0 16px; }
    .slider-control { width: 38px; height: 38px; font-size: 26px; }
    .slider-prev { left: 12px; }
    .slider-next { right: 12px; }
    .slider-dots { bottom: 20px; }
    .callout-inner { flex-direction: column; gap: 18px; text-align: center; }
    .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .partner-card { min-height: 104px; padding: 12px; }
    .partner-card img { max-height: 56px; }
    .content-section { padding: var(--space-section) 0; }
    .content-media, .content-media img { min-height: 260px; }
    .air-intro-section { padding-top: 70px; }
    .air-mechanism-section { padding-top: 0; padding-bottom: 60px; }
    .air-microbes-section { padding-top: 58px; padding-bottom: 68px; }
    .air-microbes-grid { grid-template-columns: 1fr; gap: 38px; }
    .air-statement-content p { font-size: 17px; }
    .air-video-section { padding: 10vw 0; }
    .air-video-content { min-height: 0; }
    .reports-intro-section { padding-top: 72px; }
    .report-row { grid-template-columns: 1fr; gap: 8px; padding: 16px 18px; }
    .report-download { justify-self: start; }
    .reports-list-section { padding-bottom: 58px; }
    .reports-switch-section { padding-bottom: 70px; }
}

/* News & media pages */
.news-page { background: #fff; }
.news-page .container { width: min(calc(100% - 180px), 1425px); }
.news-hero { display: flex; align-items: flex-end; min-height: 400px; color: #fff; background-image: linear-gradient(90deg, rgba(18, 22, 28, .55), rgba(18, 22, 28, .35)), var(--news-hero-image); background-size: cover; background-position: center; }
.news-hero-inner { padding-top: 0; padding-bottom: 125px; }
.news-hero h1 { margin: 0 0 8px; font-size: 14px; font-weight: 700; line-height: 1.3; letter-spacing: .08em; }
.news-hero p { margin: 0; font-size: clamp(18px, 2vw, 22px); font-weight: 400; }
.news-intro { padding: max(68px, calc(8vw - 8px)) 0 70px; text-align: center; }
.news-page--no-hero .news-intro { padding-top: 108px; }
.news-intro h1, .news-intro h2 { margin: 0; color: #434343; font-size: 34px; line-height: 44px; }
.news-intro p { margin: 8px 0 56px; color: #656565; font-size: 21px; line-height: 1; font-weight: 400; }
.news-media-logos { width: 100%; height: auto; margin: 0 auto; }
.news-gallery-section { padding: 0 0 95px; }
.news-gallery { display: grid; gap: 15px; align-items: start; }
.news-gallery-row { display: grid; grid-template-columns: repeat(var(--news-columns, 5), minmax(0, 1fr)); align-items: start; gap: 2%; }
.news-gallery-item { min-width: 0; margin: 0; text-align: center; }
.news-gallery-item img { width: auto; height: auto; margin-inline: auto; box-shadow: 0 4px 8px rgba(0,0,0,.15); }
.news-gallery-item figcaption { margin-top: 25px; color: #6c6c6c; font-size: 14px; line-height: 1.2; }
.news-gallery-action { margin-top: 85px; text-align: center; }
.news-intro .news-button { margin-top: 36px; }
.news-taiwan-section { padding: 60px 0 78px; }
.news-taiwan-section.is-soft { background: #f8f8f8; }
.news-taiwan-section-title { margin: 0 0 70px; color: #009eaa; font-size: clamp(26px, 2.7vw, 35px); line-height: 1.35; text-align: center; }
.news-taiwan-article { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 24px; }
.news-taiwan-image { min-width: 0; margin: 0; }
.news-taiwan-image img { width: 100%; height: auto; }
.news-taiwan-image figcaption { margin-top: 9px; color: #686868; font-size: 13px; line-height: 1.45; }
.news-taiwan-copy { min-width: 0; }
.news-taiwan-eyebrow { margin: 0 0 8px; color: #8a8a8a; font-size: 17px; }
.news-taiwan-copy h3 { margin: 0 0 16px; color: #424242; font-size: clamp(26px, 2.7vw, 36px); line-height: 1.4; }
.news-taiwan-byline { margin: 0 0 22px; color: #777; font-size: 15px; }
.news-taiwan-body { margin: 26px 0 16px; color: #686868; font-size: 16px; line-height: 2; }
.news-source { color: #009aa5; font-size: 15px; font-weight: 700; }
.news-source:hover, .news-source:focus-visible { text-decoration: underline; }
.news-taiwan-video { width: 75%; margin-inline: auto; background: #0e1a2c; }
.news-taiwan-video iframe { display: block; width: 100%; border: 0; aspect-ratio: 16 / 9; }
.news-taiwan-bottom { padding: 50px 24px 100px; text-align: center; }

@media (min-width: 1000px) and (max-width: 1300px) {
    .news-intro h1, .news-intro h2 { font-size: 28.9px; line-height: 35.7px; }
}

@media (max-width: 999px) {
    .news-page .container { width: min(calc(100% - 70px), 600px); }
    .news-intro h1, .news-intro h2 { font-size: 25.5px; line-height: 1.25; }
    .news-gallery { grid-template-columns: minmax(0, 1fr); gap: 15px; }
    .news-gallery-row { display: contents; }
    .news-taiwan-article { grid-template-columns: 1fr; gap: 28px; }
    .news-taiwan-video { width: 100%; }
}

@media (max-width: 700px) {
    .news-hero { min-height: 320px; }
    .news-hero-inner { padding-top: 0; padding-bottom: 85px; }
    .news-intro { padding-top: 68px; }
    .news-page--no-hero .news-intro { padding-top: 76px; }
    .news-gallery-action { margin-top: 56px; }
    .news-taiwan-section { padding-block: 60px; }
    .news-taiwan-section-title { margin-bottom: 35px; }
    .news-taiwan-article { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 420px) {
    .news-taiwan-copy h3 { font-size: 25px; }
}

/* FAQ: two distinct pages share the original single-column question rhythm. */
.faq-online { background: #fff; }
.faq-hero { display: flex; align-items: center; min-height: 365px; color: #fff; background-image: linear-gradient(90deg, rgba(22, 14, 70, .3), rgba(22, 14, 70, .08)), var(--faq-hero-image); background-position: center; background-size: cover; }
.faq-hero-inner { padding-block: 70px; }
.faq-hero h1 { margin: 0 0 5px; font-size: clamp(34px, 3.7vw, 48px); line-height: 1.25; }
.faq-hero p { margin: 0; font-size: clamp(18px, 2vw, 23px); font-weight: 400; }
.faq-content { padding: 88px 0 100px; }
.faq-container { max-width: 1140px; }
.faq-content h2 { margin: 0 0 67px; color: #474747; font-size: clamp(31px, 3vw, 40px); font-weight: 700; line-height: 1.4; text-align: center; }
.faq-group + .faq-group { margin-top: 84px; }
.faq-group h3 { margin: 0 0 26px; color: var(--navy); font-size: clamp(20px, 2.15vw, 27px); font-weight: 700; line-height: 1.5; text-align: center; }
.faq-online-list { border-top: 1px solid #e6e6e6; }
.faq-online-item { border-bottom: 1px solid #e6e6e6; }
.faq-online-item summary { position: relative; display: block; padding: 20px 58px 20px 6px; color: #515151; font-size: clamp(16px, 1.6vw, 20px); font-weight: 700; letter-spacing: .035em; line-height: 1.65; list-style: none; cursor: pointer; }
.faq-online-item summary::-webkit-details-marker { display: none; }
.faq-online-item summary::after { content: "+"; position: absolute; top: 50%; right: 8px; display: grid; place-items: center; width: 27px; height: 27px; color: #888; border: 2px solid currentColor; border-radius: 50%; font-size: 19px; font-weight: 400; line-height: 1; transform: translateY(-50%); }
.faq-online-item[open] summary { color: var(--action-teal); }
.faq-online-item[open] summary::after { content: "−"; }
.faq-online-item summary:focus-visible { outline: 2px solid var(--teal); outline-offset: -2px; }
.faq-online-answer { padding: 0 54px 21px 6px; color: var(--text-secondary); font-size: var(--font-size-body); line-height: var(--body-leading); }
.faq-online-answer p { margin: 0 0 10px; }
.faq-online-answer p:last-child { margin-bottom: 0; }
.faq-online-answer ol, .faq-online-answer ul { margin: 0 0 12px; padding-left: 1.7em; }
.faq-online-answer li + li { margin-top: 5px; }
.faq-switch-wrap { margin-top: 84px; text-align: center; }

/* All pages share navigation dimensions; image banners alone use the overlay state. */
.nav-online .nav-shell { width: min(calc(100% - 56px), 1300px); gap: 16px; }
.nav-online .brand img { width: 205px; }
.nav-online .nav-item > a { padding-inline: 8px; font-size: 14px; font-weight: 500; }

@media (min-width: 1101px) and (max-width: 1240px) {
    html:lang(en) .nav-online .brand img { width: 175px; }
    html:lang(en) .nav-online .nav-item > a { padding-inline: 6px; font-size: 14px; }
}

/* Image-backed entry banners place the navigation over the hero. */
.nav-overlay .site-header { position: fixed; top: 0; right: 0; left: 0; color: #e2dced; border-bottom-color: rgba(255,255,255,.2); background: linear-gradient(90deg, rgba(255,255,255,.18), rgba(5,43,91,.72) 28%, rgba(5,43,91,.72)); }
.nav-overlay .site-header.is-scrolled { border-bottom-color: #e8e8e8; background: rgba(255,255,255,.97); box-shadow: 0 4px 24px rgba(0,0,0,.09); }
.nav-overlay .nav-item > a { color: #fff; }
.nav-overlay .nav-list > .has-children > a::after { color: currentColor; }
.nav-overlay .nav-item > a:hover, .nav-overlay .nav-item > a.is-active { color: #fff; }
.nav-overlay .site-header:not(.is-scrolled) .nav-list > .nav-item > a.is-active { color: var(--cyan); }
.site-header .nav-list > .is-current > a { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 7px; }
.site-header .nav-list > .is-current > a::after { color: currentColor; }
.nav-overlay .site-header.is-scrolled .nav-item > a { color: var(--navy-deep); }
.nav-overlay .site-header.is-scrolled .nav-item > a:hover, .nav-overlay .site-header.is-scrolled .nav-item > a.is-active { color: var(--action-teal); }
.nav-overlay .submenu .nav-item > a { color: var(--navy-deep); }
.nav-overlay .submenu .nav-item > a:hover, .nav-overlay .submenu .nav-item > a.is-active { color: var(--action-teal); }
.nav-overlay .menu-toggle > span:not(.sr-only) { background: #fff; }
.nav-overlay .site-header.is-scrolled .menu-toggle > span:not(.sr-only) { background: var(--navy); }
@media (max-width: 700px) {
    .entry-hero { min-height: 320px; }
    .entry-hero-copy, .brand-strategy-hero-inner, .news-hero-inner, .surface-products-hero-inner { width: min(calc(100% - 32px), 1152px); }
    .entry-hero-copy, .brand-strategy-hero-inner, .surface-products-hero-inner { padding-bottom: 85px; }
    .entry-hero-copy p, .brand-strategy-hero p, .surface-products-hero p { font-size: 18px; }
}
.faq-online .faq-hero { display: block; min-height: 400px; }
.faq-online .faq-hero-inner { padding-top: 218px; padding-bottom: 0; }
.faq-online .faq-hero h1 { margin-bottom: 3px; font-size: 14px; font-weight: 700; letter-spacing: .1em; }
.faq-online .faq-hero p { font-size: 22px; }

@media (max-width: 1100px) {
    .nav-online .menu-toggle { display: block; }
    .nav-online .site-navigation { position: absolute; top: 78px; left: 0; right: 0; display: none; max-height: calc(100vh - 78px); overflow: auto; padding: 10px 16px 20px; margin-left: 0; background: #fff; box-shadow: 0 20px 30px rgba(0,0,0,.12); }
    .nav-online .site-navigation.is-open { display: block; }
    .nav-online .nav-list { display: block; }
    .nav-online .nav-item > a { padding: 12px 4px; color: var(--navy-deep); font-size: 16px; font-weight: 500; }
    .nav-online .has-children > a::after { display: none; }
    .nav-online .submenu { position: static; display: none; padding: 0 0 4px 12px; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
    .nav-online .has-children.is-open > .submenu { display: block; }
    .nav-online .submenu .has-children > .submenu { top: auto; left: auto; margin-left: 0; transform: none; }
    .nav-online .submenu-toggle { position: absolute; top: 2px; right: 0; display: block; width: 44px; height: 44px; padding: 0; color: var(--action-teal); border: 0; background: transparent; }
    .nav-online .language-item { margin: 8px 0 0; border-top: 1px solid #d9e3ec; border-left: 0; }
    .nav-overlay .site-navigation.is-open .nav-item > a { color: var(--navy-deep); }
    .nav-overlay .site-navigation.is-open .nav-item > a.is-active { color: var(--teal); }
}

/* Long English navigation collapses before the labels need smaller text. */
@media (min-width: 1101px) and (max-width: 1360px) {
    html:lang(en) .nav-online .menu-toggle { display: block; }
    html:lang(en) .nav-online .site-navigation { position: absolute; top: 78px; left: 0; right: 0; display: none; max-height: calc(100vh - 78px); overflow: auto; padding: 10px 24px 20px; margin-left: 0; background: #fff; box-shadow: var(--shadow); }
    html:lang(en) .nav-online .site-navigation.is-open { display: block; }
    html:lang(en) .nav-online .nav-list { display: block; }
    html:lang(en) .nav-online .nav-item > a { padding: 12px 4px; color: var(--navy-deep); font-size: 16px; }
    html:lang(en) .nav-online .has-children > a::after { display: none; }
    html:lang(en) .nav-online .submenu { position: static; display: none; padding: 0 0 4px 12px; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
    html:lang(en) .nav-online .has-children.is-open > .submenu { display: block; }
    html:lang(en) .nav-online .submenu .has-children > .submenu { top: auto; left: auto; margin-left: 0; transform: none; }
    html:lang(en) .nav-online .submenu-toggle { position: absolute; top: 2px; right: 0; display: block; width: 44px; height: 44px; padding: 0; color: var(--action-teal); border: 0; background: transparent; }
    html:lang(en) .nav-online .language-item { margin: 8px 0 0; border-top: 1px solid #d9e3ec; border-left: 0; }
    html:lang(en) .nav-overlay .site-navigation.is-open .nav-item > a { color: var(--navy-deep); }
    html:lang(en) .nav-overlay .site-navigation.is-open .nav-item > a.is-active { color: var(--action-teal); }
}

.faq-online .faq-content { padding-top: var(--space-section); }
.faq-online .faq-content h2 { margin-bottom: var(--space-heading); font-size: var(--font-size-section); }
.faq-online .faq-group h3 { margin-bottom: 32px; font-size: clamp(1.125rem, 1.6vw, 1.25rem); font-weight: 700; }
.faq-online .faq-group + .faq-group { margin-top: 64px; }
.faq-online .faq-online-list { border-top: 0; }
.faq-online .faq-online-item summary { padding-top: 22px; padding-bottom: 22px; font-size: 18px; font-weight: 500; letter-spacing: .015em; color: #364453; }
.faq-online .faq-online-item[open] summary { font-weight: 700; }
.faq-online .faq-online-answer { color: var(--text-secondary); }
.faq-online-answer > :is(p, ul, ol) { max-width: var(--reading-width); }
:is(.air-filter-tab, .surface-product-detail-tab, .surface-product-detail-nav a):focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 860px) {
    .nav-online .nav-shell { width: min(calc(100% - 32px), var(--container)); }
    .nav-online .brand img { width: 165px; }
    .nav-online .site-navigation { top: 70px; max-height: calc(100vh - 70px); }
}

@media (max-width: 700px) {
    .faq-hero { min-height: 290px; }
    .faq-hero-inner { padding-block: 54px; }
    .faq-content { padding: 68px 0 80px; }
    .faq-content h2 { margin-bottom: 46px; }
    .faq-group + .faq-group { margin-top: 65px; }
    .faq-group h3 { margin-bottom: 19px; }
    .faq-online-item summary { padding: 17px 38px 17px 0; }
    .faq-online-item summary::after { right: 0; width: 24px; height: 24px; font-size: 16px; }
    .faq-online-answer { padding: 0 25px 20px 0; font-size: var(--font-size-body); line-height: var(--body-leading); color: var(--text-secondary); }
    .faq-switch-wrap { margin-top: 60px; }
    .nav-overlay .site-navigation.is-open { background: #fff; }
    .faq-online .faq-hero { min-height: 320px; }
    .faq-online .faq-hero-inner { padding-top: 195px; }
    .faq-online .faq-hero p { font-size: 18px; }
    .faq-online .faq-content { padding-top: var(--space-section); }
    .faq-online .faq-group h3 { margin-bottom: 24px; font-size: clamp(1.125rem, 1.6vw, 1.25rem); }
    .faq-online .faq-group + .faq-group { margin-top: 48px; }
    .faq-online .faq-online-item summary { padding-top: 17px; padding-bottom: 17px; font-size: 16px; letter-spacing: .015em; font-weight: 500; color: #364453; }
}

/* Contact page: the online site's rhythm, with direct email in place of its form. */
.contact-page { background: #f8f8f8; }
.contact-hero { display: flex; align-items: center; min-height: 400px; color: #fff; background: #29aeb8 url('../images/page-banners/contact.jpg') center / cover no-repeat; }
.contact-hero-inner, .contact-locations-grid { width: min(calc(100% - 180px), 1152px); margin-inline: auto; }
.contact-hero-inner { padding-block: 72px 20px; }
.contact-hero h1 { margin: 0 0 5px; font-size: 14px; font-weight: 700; letter-spacing: .12em; }
.contact-hero p { margin: 0; font-size: clamp(20px, 2vw, 24px); font-weight: 400; line-height: 1.5; }
.contact-locations { padding: 88px 0 96px; background: #f8f8f8; }
.contact-locations-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; column-gap: clamp(42px, 5vw, 90px); row-gap: 64px; align-items: start; }
.contact-intro h2 { margin: 17px 0 5px; color: #434343; font-size: var(--font-size-section); font-weight: 700; line-height: 1.4; }
.contact-intro p { margin: 0 0 26px; color: #686868; font-size: 20px; font-weight: 400; }
.contact-intro-link { display: inline-flex; align-items: center; gap: 20px; min-height: 48px; padding: 0 22px; border: 2px solid #8b3fc8; color: #8540b7; font-size: 15px; font-weight: 700; transition: color .2s, background .2s; }
.contact-intro-link:hover, .contact-intro-link:focus-visible { color: #fff; background: #8540b7; }
.contact-intro-link span { font-size: 23px; line-height: 1; }
.contact-office-icon { display: block; width: 52px; height: 52px; margin-bottom: 20px; color: #00a5b3; }
.contact-office-icon svg { display: block; width: 100%; height: 100%; }
.contact-office h2 { margin: 0 0 5px; color: #454545; font-size: clamp(1.375rem, 2vw, 1.75rem); font-weight: 700; line-height: 1.4; }
.contact-office-address, .contact-office-detail { color: var(--text-secondary); font-size: 1rem; line-height: var(--body-leading); }
.contact-office-address p { margin: 0; }
.contact-office-address a, .contact-office-detail a { color: inherit; }
.contact-office-address a { display: inline-block; margin-top: 2px; text-decoration: underline; text-underline-offset: 3px; }
.contact-office-address a:hover, .contact-office-detail a:hover { color: #009fb0; }
.contact-office-detail { margin: 24px 0 0; }
.contact-office-detail + .contact-office-detail { margin-top: 22px; }
.contact-office--shanghai { grid-column: 2; }
.contact-email-section { padding: 88px 24px 80px; color: #fff; text-align: center; background: linear-gradient(110deg, #4d59f5 0%, #7e50c8 52%, #cf2b89 100%); scroll-margin-top: 80px; }
.contact-email-inner { max-width: 780px; margin-inline: auto; }
.contact-email-kicker { margin: 0 0 4px; font-size: 19px; font-weight: 400; }
.contact-email-section h2 { margin: 0 0 70px; font-size: var(--font-size-section); line-height: 1.45; font-weight: 700; margin-bottom: 40px; }
.contact-email-panel { padding: 48px 24px 42px; border-radius: 10px; color: #666; background: #fff; box-shadow: 0 20px 35px rgba(35, 14, 97, .12); }
.contact-email-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-width: 165px; min-height: 48px; padding: 10px 22px; color: #fff; background: var(--action-teal); font-size: 16px; font-weight: 700; transition: background .2s, transform .2s; }
.contact-email-button:hover, .contact-email-button:focus-visible { color: #fff; background: #006f8d; transform: translateY(-2px); }
.contact-email-panel p { margin: 18px 0 0; font-size: 16px; overflow-wrap: anywhere; }
.contact-email-panel p a:hover { color: #009eae; }
.contact-map { height: 520px; background: #e6ebed; }
.contact-map iframe { display: block; width: 100%; height: 100%; border: 0; }

@media (max-width: 1000px) {
    .contact-hero-inner, .contact-locations-grid { width: min(calc(100% - 64px), 1152px); }
    .contact-locations-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
    .contact-intro { grid-column: 1 / -1; }
    .contact-office--shanghai { grid-column: auto; }
    .contact-locations { padding: 72px 0 80px; }
}

@media (max-width: 700px) {
    .contact-hero { min-height: 320px; background-position: 60% center; }
    .contact-hero-inner, .contact-locations-grid { width: min(calc(100% - 32px), 1152px); }
    .contact-hero-inner { padding-block: 50px 12px; }
    .contact-locations { padding: 56px 0 64px; }
    .contact-locations-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-intro { grid-column: auto; }
    .contact-intro h2 { margin-top: 0; font-size: var(--font-size-section); line-height: 1.4; }
    .contact-office-icon { margin-bottom: 16px; }
    .contact-email-section { padding: 64px 16px; }
    .contact-email-section h2 { margin-bottom: 28px; font-size: var(--font-size-section); }
    .contact-email-panel { padding: 32px 18px; }
    .contact-map { height: 360px; }
}

/* Homepage: independently authored layout, isolated from inner-page templates. */
.home-page .hero { display: grid; height: auto; min-height: 0; overflow: clip; }
.home-page .hero > .sr-only { margin: -1px; font-size: 1px; }
.home-page .hero-slide { position: relative; grid-area: 1 / 1; min-width: 0; min-height: 45.4545vw; }
.home-page .hero-overlay { background: rgba(0, 0, 0, .12); }
.home-page .hero-content { width: min(86.5%, 1425px); padding-block: 110px 100px; }
.home-page .hero-title { margin: 0 0 22px; color: #fff; font-size: clamp(48px, 7.64vw, 110px); font-weight: 700; line-height: 1; letter-spacing: -.025em; text-shadow: 0 1px 12px rgba(0, 0, 0, .2); }
.home-page .hero-description { width: fit-content; max-width: 100%; margin-bottom: 30px; padding: 8px 12px; color: #fff; background: rgba(0, 0, 0, .66); font-size: clamp(17px, 1.6vw, 23px); line-height: 1.55; }
.home-page .hero .button { min-height: 46px; padding-inline: 28px; border-color: #fff; background: rgba(0, 0, 0, .25); }
.home-page .hero .button:hover { color: var(--navy); background: #fff; }
.home-page .slider-control { width: 44px; height: 44px; }
.home-page .slider-prev { left: 14px; }
.home-page .slider-next { right: 14px; }
.home-page .slider-dot { min-height: 44px; }
.home-page .slider-dots { bottom: 12px; }
.home-page .slider-pause { position: absolute; right: 24px; bottom: 12px; z-index: 2; min-height: 44px; padding: 8px 14px; border: 1px solid rgba(255, 255, 255, .7); color: #fff; background: rgba(0, 0, 0, .45); font: inherit; font-size: 13px; cursor: pointer; }
.home-page .slider-pause[aria-pressed="true"] { color: var(--navy); background: #fff; }
.home-page .section-heading { margin: 0; padding: 44px 24px 40px; }
.home-page .section-heading h2 { margin: 0; color: #444; font-size: clamp(28px, 3.61vw, 52px); line-height: 1.2; }
.home-page .section-technology { padding: 0 0 100px; background: #f7f7f7; }
.home-page .section-technology > .container { width: calc(100% - 70px); }
.home-page .technology-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.home-page .technology-card { min-height: max(440px, 100svh); align-items: center; text-align: center; }
.home-page .technology-card::before { background: rgba(0, 26, 50, .24); }
.home-page .card-shade { background: transparent; }
.home-page .card-content { width: 100%; padding: 8vw; text-shadow: 0 1px 5px rgba(0, 0, 0, .4); }
.home-page .card-content small { color: #fff; font-size: clamp(16px, 1.46vw, 21px); line-height: 1.5; }
.home-page .card-content strong { margin: 12px 0 28px; font-size: clamp(24px, 2.36vw, 34px); line-height: 1.3; }
.home-page .card-link { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 22px; color: #fff; border: 2px solid currentColor; font-size: 14px; }
.home-page .callout-inner { width: min(86.5%, 1425px); padding-block: 45px; flex-wrap: wrap; }
.home-page .callout h2 { font-size: 28px; line-height: 1.5; }
.home-page .callout .button { border-color: #fff; }
.home-page .section-products { padding: 0; background: #fff; }
.home-page .section-products .section-heading { background: #f7f7f7; }
.home-page .section-products > .container { width: 100%; }
.home-page .product-list { gap: 0; }
.home-page .product-row { grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: 0; box-shadow: none; background: #f9f9f9; }
.home-page .product-copy { min-width: 0; padding: 10.2vw 20%; }
.home-page .product-copy .eyebrow { color: var(--teal); font-size: 21px; font-weight: 500; letter-spacing: 0; text-transform: none; line-height: 1.5; }
.home-page .product-copy h3 { margin: 10px 0 20px; font-size: 40px; line-height: 1.25; }
.home-page .product-copy p { margin-bottom: 30px; color: #676767; font-size: 16px; line-height: 1.65; white-space: pre-line; }
.home-page .product-copy .text-link { display: inline-flex; align-items: center; justify-content: center; align-self: flex-start; min-height: 48px; padding: 10px 22px; border: 2px solid currentColor; color: var(--teal); font-size: 14px; }
.home-page .product-image { position: relative; min-height: 0; }
.home-page .product-image img { position: absolute; inset: 0; display: block; object-position: center; }
.home-page .product-row:hover .product-image img { transform: none; }
.home-page .section-partners { padding: 70px 0 90px; }
.home-page .section-partners > .container { width: min(86.5%, 1425px); }
.home-page .section-partners .section-heading { padding: 0 0 48px; }
.home-page .partner-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 0; }
.home-page .partner-card { flex: 0 0 25%; min-width: 0; min-height: 115px; padding: 25px; border: 0; }
.home-page .partner-card:hover { transform: none; box-shadow: none; }
.home-page .partner-card img { width: 165px; max-width: 100%; height: auto; max-height: 70px; filter: grayscale(1); opacity: .65; transition: filter .2s ease, opacity .2s ease; }
.home-page .partner-card:hover img, .home-page .partner-card:focus-visible img { filter: none; opacity: 1; }
.home-page .intro-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.home-page .intro-card-inner { width: 100%; height: 100%; min-height: 285px; padding: 45px 7%; justify-content: flex-start; }
.home-page .intro-card h2 { font-size: 34px; line-height: 1.3; }
.home-page .intro-card p { max-width: none; color: #fff; font-size: 16px; line-height: 1.65; }
.home-page .intro-link { margin-top: 10px; }
.about-online .online-quotes-section[id] { scroll-margin-top: 80px; }

@media (min-width: 1200px) {
    html:not(:lang(en)) .home-page .hero-content { top: 60px; }
}
@media (max-width: 999px) {
    .home-page .hero-slide { min-height: 420px; }
    .home-page .hero-content { padding-block: 108px 90px; }
    .home-page .hero-title { font-size: clamp(40px, 8vw, 70px); }
    .home-page .hero-description { font-size: 17px; }
    .home-page .slider-control { top: auto; bottom: 12px; transform: none; }
    .home-page .slider-prev { left: 24px; }
    .home-page .slider-next { left: 76px; right: auto; }
    .home-page .technology-grid { grid-template-columns: 1fr; }
    .home-page .technology-card { min-height: 280px; }
    .home-page .card-content { padding: 48px 8vw; }
    .home-page .card-content strong { font-size: 28px; }
    .home-page .product-row, .home-page .product-row.reverse { grid-template-columns: 1fr; }
    .home-page .product-row .product-copy { order: 1; }
    .home-page .product-row .product-image { order: 2; }
    .home-page .product-row.reverse .product-copy { order: 2; }
    .home-page .product-row.reverse .product-image { order: 1; }
    .home-page .product-copy { padding: 54px 10%; }
    .home-page .product-copy h3 { font-size: 30px; max-width: none; }
    .home-page .product-copy p { max-width: none; }
    .home-page .product-image img { position: static; height: auto; }
    .home-page .partner-card { flex-basis: 50%; }
    .home-page .intro-grid { grid-template-columns: 1fr; }
    .home-page .intro-card-inner { min-height: 0; padding: 40px 6%; }
}
@media (max-width: 560px) {
    .home-page .hero-content { width: calc(100% - 40px); }
    .home-page .hero-title { font-size: clamp(36px, 10.5vw, 54px); }
    .home-page .hero .button { padding: 10px 18px; font-size: 14px; }
    .home-page .hero .button-row { gap: 10px; }
    .home-page .hero-description { font-size: 16px; }
    .home-page .slider-pause { right: 16px; padding-inline: 8px; }
    .home-page .slider-dots { right: 47%; gap: 4px; }
    .home-page .section-technology > .container { width: calc(100% - 40px); }
    .home-page .section-heading { padding: 44px 0 40px; }
    .home-page .callout-inner { gap: 20px; }
    .home-page .callout h2 { font-size: 24px; }
    .home-page .product-copy .eyebrow { font-size: 18px; }
    .home-page .product-copy h3 { font-size: 27px; }
    .home-page .section-partners { padding: 60px 0; }
    .home-page .partner-card { min-height: 90px; padding: 20px 12px; }
    .home-page .intro-card h2 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    .home-page .hero-slide, .home-page .partner-card img { transition: none; }
    .home-page .technology-card:hover::before, .home-page .button:hover { transform: none; }
}

/* One shared treatment for category switches and return-to-index actions. */
.page-return-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-width: min(260px, 100%); max-width: 100%; min-height: 48px; padding: 10px 25px; border: 0; color: #fff; background: linear-gradient(105deg, #f22280 0%, #743db8 60%, #3153f5 100%); font-size: 15px; font-weight: 700; line-height: 1.6; letter-spacing: .02em; text-align: center; overflow-wrap: anywhere; transition: opacity .2s ease, transform .2s ease; }
.page-return-button:hover, .page-return-button:focus-visible { color: #fff; opacity: .88; transform: translateY(-2px); }
.page-return-button span { flex: 0 0 auto; font-size: 22px; line-height: 1; }

/* Shared scroll control stays above the consent banner and outside modal UI. */
.back-to-top { position: fixed; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(var(--cookie-banner-space, 0px) + max(18px, env(safe-area-inset-bottom, 0px))); z-index: 60; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; color: #fff; background: var(--navy); border: 1px solid rgba(255,255,255,.65); border-radius: 6px; box-shadow: 0 4px 16px rgba(5,43,91,.22); cursor: pointer; }
.back-to-top:hover { background: var(--action-teal); }
.back-to-top:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.back-to-top[hidden], body.menu-is-open .back-to-top, body.privacy-is-open .back-to-top { display: none !important; }

/* Native modal drawer: the same navigation tree serves desktop and mobile. */
body.menu-is-open { position: fixed; top: var(--menu-scroll-top, 0); right: 0; left: 0; width: 100%; overflow: hidden; }
.mobile-menu { position: fixed; inset: 0 0 0 auto; width: min(300px, calc(100vw - 40px)); height: 100vh; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 18px 24px 32px; border: 0; color: #fff; background: var(--teal); overflow-y: auto; overscroll-behavior: contain; box-shadow: -12px 0 40px rgba(0, 0, 0, .15); }
.mobile-menu[open] { display: block; animation: menu-enter .22s ease-out both; }
.mobile-menu.is-closing { animation: menu-exit .18s ease-in both; }
.mobile-menu::backdrop { background: rgba(0, 0, 0, .6); animation: menu-shade-enter .22s ease-out both; }
.mobile-menu.is-closing::backdrop { animation: menu-shade-exit .18s ease-in both; }
.mobile-menu-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.mobile-menu-heading h2 { margin: 0; color: #fff; font-size: 16px; font-weight: 500; }
.mobile-menu-close { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; padding: 0; border: 0; color: #fff; background: transparent; font-size: 32px; line-height: 1; cursor: pointer; }
body.nav-online .mobile-menu .site-navigation { position: static; inset: auto; display: block; width: auto; max-height: none; padding: 0; margin: 0; overflow: visible; background: transparent; box-shadow: none; }
body.nav-online .mobile-menu .nav-list { display: block; }
body.nav-online .mobile-menu .nav-item > a { display: flex; min-height: 44px; padding: 9px 40px 9px 0; color: #fff; font-size: 18px; font-weight: 500; line-height: 1.5; white-space: normal; overflow-wrap: anywhere; }
body.nav-online .mobile-menu .nav-item > a:hover, body.nav-online .mobile-menu .nav-item > a.is-active { color: #fff; text-decoration: underline; text-underline-offset: 5px; }
body.nav-online .mobile-menu .has-children > a::after { display: none; }
body.nav-online .mobile-menu .submenu { position: static; inset: auto; display: none; min-width: 0; width: auto; padding: 0 0 4px 14px; margin: 0; opacity: 1; visibility: visible; transform: none; background: transparent; box-shadow: none; }
body.nav-online .mobile-menu .has-children.is-open > .submenu { display: block; }
body.nav-online .mobile-menu .submenu .nav-item > a { font-size: 16px; }
body.nav-online .mobile-menu .submenu-toggle { position: absolute; top: 1px; right: -4px; display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; color: #fff; background: transparent; font-size: 22px; cursor: pointer; }
body.nav-online .mobile-menu .language-item { margin: 10px 0 0; padding-top: 6px; border-top: 1px solid rgba(255, 255, 255, .3); border-left: 0; }
.mobile-menu :where(a, button):focus-visible { outline: 2px solid #fff; outline-offset: -2px; }
@keyframes menu-enter { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes menu-exit { from { transform: translateX(0); } to { transform: translateX(100%); } }
@keyframes menu-shade-enter { from { opacity: 0; } to { opacity: 1; } }
@keyframes menu-shade-exit { from { opacity: 1; } to { opacity: 0; } }

/* No intercepted links, delayed navigation or movement of the shared header. */
#main-content { animation: page-content-enter .2s ease-out; }
@keyframes page-content-enter { from { opacity: .2; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
    #main-content, .mobile-menu[open], .mobile-menu::backdrop { animation: none; }
    .page-return-button { transition: none; }
    .page-return-button:hover, .page-return-button:focus-visible { transform: none; }
}