:root {
  --green-950: #082b25;
  --green-900: #0f3b33;
  --green-700: #1f6758;
  --green-100: #e8f1ee;
  --ink: #13201d;
  --muted: #60706b;
  --line: #dbe3df;
  --surface: #ffffff;
  --soft: #f3f6f5;
  --accent: #b33a2f;
  --shell: 1360px;
  --header-height: 76px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}
body, button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
.shell { width: min(calc(100% - 64px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: 8px 14px; color: #fff; background: var(--green-950); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: var(--header-height); background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(15,59,51,.08); transition: box-shadow .25s ease, background .25s ease; }
.site-header.is-scrolled { background: rgba(255,255,255,.985); box-shadow: 0 8px 26px rgba(15,59,51,.08); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { flex: 0 0 220px; height: 58px; display: inline-flex; align-items: center; gap: 11px; overflow: hidden; }
.brand-mark { flex: 0 0 48px; width: 48px; height: 48px; object-fit: contain; }
.brand-wordmark { min-width: 0; display: flex; flex-direction: column; justify-content: center; color: var(--ink); line-height: 1; }
.brand-wordmark strong { font-size: 24px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
.brand-wordmark small { margin-top: 5px; color: #46534f; font-family: Arial, sans-serif; font-size: 9px; font-weight: 700; letter-spacing: .16em; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: clamp(12px, 1.25vw, 24px); white-space: nowrap; }
.nav-link { position: relative; padding: 25px 0 23px; color: #31413d; font-size: 14px; font-weight: 600; }
.nav-link::after { content: ""; position: absolute; right: 0; bottom: 14px; left: 0; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active { color: var(--green-900); }
.nav-link:hover::after, .nav-link:focus-visible::after, .nav-link.is-active::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; font-size: 21px; cursor: pointer; }

.home-hero { position: relative; min-height: min(780px, 88dvh); margin-top: var(--header-height); overflow: hidden; color: #fff; }
.home-hero-media, .home-hero-scrim { position: absolute; inset: 0; }
.home-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.01); }
.home-hero-scrim { background: linear-gradient(90deg, rgba(4,31,26,.88) 0%, rgba(4,31,26,.68) 38%, rgba(4,31,26,.18) 72%, rgba(4,31,26,.08) 100%); }
.home-hero-inner { position: relative; z-index: 1; min-height: min(780px, 88dvh); display: flex; align-items: center; }
.hero-copy { max-width: 630px; padding-bottom: 2vh; }
.hero-kicker, .page-kicker { margin: 0 0 14px; font-size: 13px; font-weight: 700; letter-spacing: .18em; }
.hero-copy h1 { margin: 0; font-size: clamp(54px, 6vw, 88px); line-height: 1.08; font-weight: 700; letter-spacing: 0; }
.hero-lead { margin: 22px 0 34px; font-size: clamp(21px, 2vw, 30px); line-height: 1.5; font-weight: 400; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 11px 24px; border: 1px solid transparent; border-radius: var(--radius); font-size: 15px; font-weight: 700; white-space: nowrap; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .15s ease; }
.button:active { transform: translateY(1px); }
.button-primary { color: #fff; background: var(--accent); }
.button-primary:hover, .button-primary:focus-visible { background: #922d25; }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.65); background: rgba(5,37,31,.15); }
.button-ghost:hover, .button-ghost:focus-visible { color: var(--green-950); background: #fff; border-color: #fff; }
.button-dark { color: #fff; background: var(--green-950); }
.button-dark:hover, .button-dark:focus-visible { background: var(--green-700); }
.button-light { color: var(--green-950); background: #fff; }
.button-light:hover, .button-light:focus-visible { background: var(--green-100); }

.trust-band { position: relative; z-index: 2; margin-top: -1px; background: var(--green-900); color: #fff; }
.trust-grid { min-height: 116px; display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { display: flex; flex-direction: column; justify-content: center; padding: 24px clamp(22px, 3vw, 46px); border-left: 1px solid rgba(255,255,255,.16); }
.trust-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.16); }
.trust-grid strong { font-size: 20px; line-height: 1.35; }
.trust-grid span { margin-top: 5px; color: rgba(255,255,255,.68); font-size: 13px; }

.section { padding: clamp(76px, 8vw, 126px) 0; }
.section-heading { max-width: 660px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 13px; font-weight: 700; }
.section-heading h2, .research-copy h2, .factory-copy h2, .closing-layout h2 { margin: 0; font-size: clamp(34px, 4vw, 56px); line-height: 1.25; font-weight: 650; letter-spacing: 0; }
.section-heading > p:last-child, .research-copy > p { margin: 20px 0 0; color: var(--muted); font-size: 17px; }
.intro-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, .78fr); justify-content: space-between; gap: 10vw; align-items: start; }
.intro-copy { max-width: 610px; padding-top: 9px; }
.intro-copy p { margin: 0 0 16px; color: #485955; font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; padding-bottom: 5px; color: var(--green-900); border-bottom: 1px solid var(--green-700); font-weight: 700; }
.text-link i { transition: transform .2s ease; }
.text-link:hover i { transform: translateX(4px); }

.product-showcase { background: var(--soft); }
.product-heading { margin-bottom: 48px; }
.product-editorial { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(370px, .72fr); gap: 24px; }
.product-feature { min-height: 570px; display: grid; grid-template-columns: 1.15fr .85fr; overflow: hidden; background: #fff; border-radius: var(--radius); }
.product-image { min-height: 570px; overflow: hidden; background: #eef3f6; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-feature:hover .product-image img { transform: scale(1.025); }
.product-info { display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(30px, 4vw, 58px); }
.product-info span, .product-row span { color: var(--accent); font-size: 13px; font-weight: 700; }
.product-info h3 { margin: 11px 0 13px; font-size: clamp(27px, 3vw, 42px); line-height: 1.25; }
.product-info p { margin: 0 0 30px; color: var(--muted); }
.product-info i { color: var(--green-700); font-size: 25px; }
.product-stack { display: grid; grid-template-rows: repeat(3, 1fr); gap: 16px; }
.product-row { min-height: 178px; display: grid; grid-template-columns: 150px 1fr 24px; align-items: center; gap: 24px; padding: 14px 24px 14px 14px; overflow: hidden; background: #fff; border-radius: var(--radius); }
.product-row > img { width: 150px; height: 150px; object-fit: cover; background: #f5f7f7; transition: transform .3s ease; }
.product-row:hover > img { transform: scale(1.035); }
.product-row h3 { margin: 7px 0 0; font-size: 20px; line-height: 1.45; }
.product-row > i { color: var(--green-700); }

.chain-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(430px, .95fr); gap: clamp(48px, 7vw, 100px); align-items: center; }
.chain-visual { height: clamp(560px, 62vw, 760px); overflow: hidden; border-radius: var(--radius); }
.chain-visual img { width: 100%; height: 100%; object-fit: cover; }
.chain-steps { margin: 38px 0 18px; padding: 0; list-style: none; }
.chain-steps li { display: grid; grid-template-columns: 80px 1fr; gap: 24px; align-items: center; min-height: 74px; border-top: 1px solid var(--line); }
.chain-steps li:last-child { border-bottom: 1px solid var(--line); }
.chain-steps span { color: var(--green-700); font-size: 14px; font-weight: 700; }
.chain-steps strong { font-size: 18px; }

.research-section { background: var(--green-100); }
.research-layout { display: grid; grid-template-columns: minmax(360px, .72fr) minmax(0, 1.28fr); gap: clamp(48px, 8vw, 120px); align-items: center; }
.research-copy h2 { max-width: 520px; }
.research-copy > p { max-width: 500px; }
.research-copy .button { margin-top: 30px; }
.research-image { margin: 0; }
.research-image img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius); }
.research-image figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; }

.factory-panorama { position: relative; min-height: 650px; display: flex; align-items: flex-end; overflow: hidden; color: #fff; }
.factory-panorama > img, .factory-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.factory-panorama > img { object-fit: cover; object-position: center; }
.factory-overlay { background: linear-gradient(0deg, rgba(4,31,26,.88) 0%, rgba(4,31,26,.42) 47%, rgba(4,31,26,.08) 100%); }
.factory-copy { position: relative; z-index: 1; padding-bottom: clamp(68px, 7vw, 100px); }
.factory-copy p { margin: 0 0 12px; font-size: 15px; font-weight: 700; }
.factory-copy h2 { max-width: 680px; }
.factory-copy .button { margin-top: 28px; }
.closing-section { padding-block: 72px; }
.closing-layout { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.closing-layout h2 { font-size: clamp(30px, 3.3vw, 48px); }

.page-hero { position: relative; min-height: 390px; margin-top: var(--header-height); display: flex; align-items: flex-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(4,31,26,.84), rgba(4,31,26,.24)); }
.page-hero-inner { position: relative; z-index: 1; padding-bottom: 64px; }
.page-hero h1 { margin: 0; font-size: clamp(40px, 5vw, 68px); line-height: 1.2; }
.page-hero-inner > p:last-child { max-width: 620px; margin: 12px 0 0; color: rgba(255,255,255,.82); font-size: 17px; }
.page-kicker { margin-bottom: 10px; }
.page-main { padding: 72px 0 110px; }
.subnav { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.subnav a { padding: 8px 15px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--muted); font-size: 14px; }
.subnav a:hover, .subnav a.is-active { color: #fff; background: var(--green-900); border-color: var(--green-900); }
.article-shell { max-width: 960px; margin: 0 auto; }
.article-title { margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.25; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin: 15px 0 34px; padding-bottom: 20px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.content { color: #34443f; font-size: 17px; line-height: 2; overflow-wrap: anywhere; }
.content h2, .content h3, .content h4 { margin: 2em 0 .75em; color: var(--ink); line-height: 1.35; }
.content h2 { font-size: 30px; }
.content h3 { font-size: 24px; }
.content p { margin: 0 0 1.25em; }
.content p.content-heading { margin: 2.4em 0 .8em; color: var(--green-900); font-size: 24px; font-weight: 700; line-height: 1.4; }
.content p.content-timeline-heading { margin-bottom: .45em; }
.content-timeline-list { --timeline-axis: 40px; position: relative; margin: 0 0 2.8em; padding: 8px 0 10px; }
.content-timeline-list::before { content: ""; position: absolute; top: 54px; bottom: 56px; left: var(--timeline-axis); width: 1px; background: linear-gradient(180deg, rgba(179,58,47,.42), rgba(31,103,88,.34)); }
.content p.content-timeline { position: relative; display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 30px; align-items: center; min-height: 108px; margin: 0; padding: 14px 0; border: 0; text-indent: 0; line-height: 1.75; }
.content-timeline-year { z-index: 1; grid-column: 1; grid-row: 1; display: block; width: 80px; height: 80px; line-height: 1; }
.content-timeline-year-icon { display: block; width: 80px; height: 80px; overflow: visible; }
.content-timeline-year-ring { fill: #fff; stroke: var(--line); stroke-width: 1.5; }
.content-timeline-year-accent { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 48 166; transform: rotate(-90deg); transform-origin: 40px 40px; }
.content-timeline-year-number { fill: var(--green-900); font-family: Arial, sans-serif; font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; text-anchor: middle; dominant-baseline: middle; }
.content-timeline-event { grid-column: 2; grid-row: 1; color: #34443f; }
.content img { height: auto; margin: 30px auto; border-radius: var(--radius); }
.content table { width: 100%; border-collapse: collapse; overflow-x: auto; }
.content th, .content td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
.content a { color: var(--green-700); text-decoration: underline; }
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 58px; padding-top: 26px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.prev-next > div:last-child { text-align: right; }

.strength-shell { max-width: 1200px; }
.strength-page { margin-top: -8px; }
.strength-section { padding: clamp(64px, 7vw, 104px) 0; border-top: 1px solid var(--line); }
.strength-section:first-child { padding-top: 16px; border-top: 0; }
.strength-heading { max-width: 700px; }
.strength-heading h2, .strength-intro h2, .strength-cta h2 { margin: 0; font-size: clamp(32px, 3.7vw, 48px); line-height: 1.28; font-weight: 650; }
.strength-heading > p, .strength-intro-copy > p, .strength-cta p { margin: 18px 0 0; color: var(--muted); font-size: 17px; }
.strength-label { margin: 0 0 14px !important; color: var(--accent) !important; font-size: 13px !important; font-weight: 700; }
.strength-intro { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(400px, .88fr); gap: clamp(56px, 8vw, 120px); align-items: end; }
.strength-intro-copy > p { max-width: 680px; }
.strength-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.strength-facts > div { min-height: 138px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strength-facts dt { color: var(--green-900); font-size: 31px; font-weight: 800; line-height: 1.2; }
.strength-facts dt small { margin-left: 3px; color: var(--muted); font-size: 13px; }
.strength-facts dd { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.strength-brand-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 46px; }
.strength-brand-item { position: relative; isolation: isolate; display: flex; align-items: flex-end; min-width: 0; min-height: 440px; aspect-ratio: 3 / 4; padding: 28px; overflow: hidden; color: #fff; background: #253b32; }
.strength-brand-photo { position: absolute; inset: 0; z-index: -2; display: block; width: 100%; height: 100%; object-fit: cover; }
.strength-brand-item::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 30%, rgba(8, 22, 19, .32) 48%, rgba(8, 22, 19, .9) 72%, rgba(8, 22, 19, .96)); pointer-events: none; }
.strength-brand-copy { width: 100%; }
.strength-product-card > span { color: var(--accent); font-size: 13px; font-weight: 700; }
.strength-brand-item span { color: #fff; font-size: 13px; font-weight: 700; }
.strength-brand-item h3 { margin: 12px 0 16px; font-size: 28px; line-height: 1.3; }
.strength-brand-item p { margin: 0; color: #fff; font-size: 15px; line-height: 1.8; }
.strength-research { display: grid; grid-template-columns: minmax(360px, .78fr) minmax(0, 1.22fr); gap: clamp(56px, 8vw, 112px); align-items: center; }
.strength-partners { margin-top: 36px; border-top: 1px solid var(--line); }
.strength-partners > div { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 18px; align-items: center; min-height: 100px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.strength-partner-logo { display: grid; place-items: center; width: 74px; height: 68px; background: #fff; border: 1px solid #dfe6e2; }
.strength-partner-logo img { display: block; width: 56px; height: 56px; object-fit: contain; }
.strength-partner-copy { min-width: 0; }
.strength-partners strong { color: var(--green-900); font-size: 17px; }
.strength-partners p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.strength-research-gallery { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; align-items: end; }
.strength-research-gallery figure, .strength-influence-media figure { margin: 0; }
.strength-research-gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.strength-research-gallery .strength-research-primary img { aspect-ratio: 5 / 4; }
.strength-research-gallery figcaption, .strength-influence-media figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.strength-band { background: var(--soft); box-shadow: 0 0 0 100vmax var(--soft); clip-path: inset(0 -100vmax); }
.strength-process-list { display: grid; grid-template-columns: repeat(5, 1fr); margin: 44px 0 0; padding: 0; list-style: none; border-top: 1px solid #cdd8d4; }
.strength-process-list li { min-width: 0; padding: 28px 24px 0 0; border-right: 1px solid #cdd8d4; }
.strength-process-list li + li { padding-left: 24px; }
.strength-process-list li:last-child { padding-right: 0; border-right: 0; }
.strength-process-list span { color: var(--accent); font-size: 13px; font-weight: 800; }
.strength-process-list strong { display: block; margin-top: 12px; font-size: 18px; }
.strength-process-list p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.strength-manufacturing { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(400px, .92fr); gap: clamp(54px, 8vw, 112px); align-items: center; }
.strength-manufacturing-image { margin: 0; overflow: hidden; }
.strength-manufacturing-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.manufacturing-data { margin: 34px 0 0; border-top: 1px solid var(--line); }
.manufacturing-data > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.manufacturing-data dt { color: var(--green-900); font-size: 20px; font-weight: 800; }
.manufacturing-data dd { margin: 0; color: var(--muted); }
.strength-band-light { background: var(--green-100); box-shadow: 0 0 0 100vmax var(--green-100); clip-path: inset(0 -100vmax); }
.strength-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 44px; }
.strength-product-card { min-width: 0; padding-bottom: 22px; background: #fff; }
.strength-product-card img { width: 100%; aspect-ratio: 1 / 1; margin-bottom: 22px; object-fit: cover; background: #f4f7f7; }
.strength-product-card > span, .strength-product-card h3, .strength-product-card p { margin-right: 22px; margin-left: 22px; }
.strength-product-card h3 { margin-top: 8px; margin-bottom: 10px; font-size: 20px; line-height: 1.4; }
.strength-product-card p { margin-top: 0; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.strength-band-dark { color: #fff; background: var(--green-950); box-shadow: 0 0 0 100vmax var(--green-950); clip-path: inset(0 -100vmax); }
.strength-influence { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(380px, .9fr); gap: clamp(54px, 8vw, 108px); align-items: center; }
.strength-influence .strength-heading > p { color: rgba(255,255,255,.68); }
.strength-influence-media { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; align-items: end; }
.strength-influence-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.strength-influence-media figure:last-child img { aspect-ratio: 3 / 4; }
.strength-influence-media figcaption { color: rgba(255,255,255,.58); }
.strength-milestones { margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.18); }
.strength-milestones li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 20px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.strength-milestones time { color: #fff; font-weight: 800; }
.strength-milestones span { color: rgba(255,255,255,.72); }
.strength-cta { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.strength-cta > div:first-child { max-width: 760px; }
.strength-cta-actions { flex: 0 0 auto; display: flex; gap: 12px; }

.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.media-card { display: block; min-width: 0; }
.media-card-image { aspect-ratio: 4 / 3; overflow: hidden; background: var(--soft); border-radius: var(--radius); }
.media-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.media-card:hover .media-card-image img { transform: scale(1.025); }
.media-card-body { padding: 20px 0 6px; }
.media-card-body h2, .media-card-body h3 { margin: 0 0 9px; font-size: 21px; line-height: 1.45; }
.media-card-body p { margin: 0; color: var(--muted); font-size: 14px; }
.media-card-meta { display: block; margin-bottom: 8px; color: var(--accent); font-size: 13px; font-weight: 700; }
.news-list { border-top: 1px solid var(--line); }
.news-item { display: grid; grid-template-columns: 150px minmax(0, 1fr) 28px; gap: 38px; align-items: center; min-height: 148px; border-bottom: 1px solid var(--line); }
.news-date { color: var(--green-700); font-size: 14px; }
.news-item h2 { margin: 0 0 8px; font-size: 22px; line-height: 1.45; }
.news-item p { margin: 0; color: var(--muted); }
.news-item i { color: var(--green-700); }
.product-listing { grid-template-columns: repeat(4, 1fr); }
.product-card .media-card-image { aspect-ratio: 1 / 1; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 42px; }
.filter-bar a { padding: 7px 14px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; }
.filter-bar a:hover { color: #fff; background: var(--green-900); }
.empty-state { padding: 76px 24px; color: var(--muted); background: var(--soft); text-align: center; }
.pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 52px; }
.pagination a, .pagination span { min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; padding: 6px 12px; border: 1px solid var(--line); border-radius: var(--radius); }
.pagination .active, .pagination a:hover { color: #fff; background: var(--green-900); border-color: var(--green-900); }

.product-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr); gap: clamp(46px, 7vw, 100px); align-items: start; }
.product-detail-image { position: sticky; top: 104px; overflow: hidden; background: var(--soft); border-radius: var(--radius); }
.product-detail-image img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.product-detail-copy h1 { margin: 0 0 18px; font-size: clamp(32px, 4vw, 50px); line-height: 1.3; }
.product-facts { margin: 30px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.product-facts li { display: grid; grid-template-columns: 92px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.product-facts span { color: var(--muted); }
.product-detail-content { margin-top: 80px; }
.product-detail-content > h2 { margin: 0 0 28px; font-size: 30px; }
.download-button { margin-top: 30px; }
.contact-section { display: grid; grid-template-columns: minmax(0, .86fr) minmax(420px, 1.14fr); margin-top: 64px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-panel { padding: clamp(34px, 5vw, 58px); color: #fff; background: var(--green-900); }
.contact-kicker { margin: 0 0 12px; color: rgba(255,255,255,.66); font-size: 13px; font-weight: 700; }
.contact-panel h2 { margin: 0; font-size: clamp(30px, 3vw, 40px); line-height: 1.3; }
.contact-intro { max-width: 420px; margin: 18px 0 40px; color: rgba(255,255,255,.74); }
.contact-grid { display: grid; gap: 24px; }
.contact-grid > div { display: flex; flex-direction: column; gap: 7px; }
.contact-grid span { color: rgba(255,255,255,.62); font-size: 13px; }
.contact-grid strong, .contact-grid a { font-size: 16px; }
.contact-form { padding: clamp(34px, 5vw, 58px); background: var(--soft); }
.contact-form-heading { margin-bottom: 30px; }
.contact-form-heading h2 { margin: 0; font-size: 30px; line-height: 1.35; }
.contact-form-heading p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.form-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-row label { color: var(--ink); font-size: 14px; font-weight: 700; }
.form-row label span { color: var(--accent); }
.form-row input, .form-row textarea { width: 100%; min-height: 50px; padding: 11px 14px; color: var(--ink); background: #fff; border: 1px solid #aebbb7; border-radius: var(--radius); outline: 0; resize: vertical; }
.form-row textarea { min-height: 142px; line-height: 1.7; }
.form-row input:focus, .form-row textarea:focus { border-color: var(--green-700); box-shadow: 0 0 0 3px rgba(31,103,88,.16); }
.form-row input[aria-invalid="true"], .form-row textarea[aria-invalid="true"] { border-color: var(--accent); }
.field-error { min-height: 18px; color: #982f27; font-size: 12px; line-height: 1.5; }
.captcha-field[data-captcha-enabled="0"] { display: none; }
.captcha-row { display: grid; grid-template-columns: minmax(0, 1fr) 128px; gap: 10px; }
.captcha-refresh { height: 50px; padding: 0; overflow: hidden; background: #fff; border: 1px solid #aebbb7; border-radius: var(--radius); cursor: pointer; }
.captcha-refresh img { width: 100%; height: 100%; object-fit: cover; }
.form-actions { display: flex; align-items: center; gap: 18px; }
.form-actions .button { min-width: 122px; cursor: pointer; }
.form-actions .button:disabled { cursor: wait; opacity: .66; }
.form-status { margin: 0; color: var(--muted); font-size: 14px; }
.form-status.is-success { color: var(--green-700); }
.form-status.is-error { color: #982f27; }
.search-hero { background-image: url('/static/upload/baikang/site/clean-workshop.jpg'); }
.search-form { max-width: 760px; margin: 0 auto 60px; }
.search-form > label { display: block; margin-bottom: 10px; font-weight: 700; }
.search-form > div { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-form input { width: 100%; min-height: 50px; padding: 10px 15px; border: 1px solid #aebbb7; border-radius: var(--radius); outline: 0; }
.search-form input:focus { border-color: var(--green-700); box-shadow: 0 0 0 3px rgba(31,103,88,.16); }
.static-gallery { margin-top: 8px; }

.site-footer { color: rgba(255,255,255,.72); background: var(--green-950); }
.footer-main { display: grid; grid-template-columns: 1.1fr 1fr .8fr; gap: clamp(46px, 8vw, 110px); padding-block: 72px 62px; }
.brand-footer { width: max-content; height: 58px; padding: 0; background: transparent; border-radius: 0; }
.brand-footer .brand-mark { flex-basis: 54px; width: 54px; height: 54px; margin: 0; }
.footer-main .brand-footer .brand-wordmark strong { margin: 0; color: #fff; font-size: 25px; font-weight: 800; line-height: 1; }
.footer-main .brand-footer .brand-wordmark small { margin-top: 6px; color: rgba(255,255,255,.58); font-size: 9px; }
.footer-brand p { max-width: 430px; margin: 24px 0 0; }
.footer-main strong { display: block; margin-bottom: 18px; color: #fff; font-size: 16px; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 22px; }
.footer-main a:hover { color: #fff; }
.footer-contact p { margin: 0 0 10px; }
.footer-contact a { display: block; }
.footer-bottom { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; }

.reveal { opacity: 1; transform: translateY(18px); transition: transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .shell { width: min(calc(100% - 44px), var(--shell)); }
  .site-nav { gap: 12px; }
  .nav-link { font-size: 13px; }
  .brand { flex-basis: 190px; }
  .brand-mark { flex-basis: 44px; width: 44px; height: 44px; }
  .brand-wordmark strong { font-size: 21px; }
  .product-editorial { grid-template-columns: 1fr; }
  .product-stack { grid-template-columns: repeat(3, 1fr); grid-template-rows: none; }
  .product-row { min-height: 0; grid-template-columns: 96px 1fr 20px; gap: 14px; padding: 12px; }
  .product-row > img { width: 96px; height: 96px; }
  .product-row h3 { font-size: 16px; }
  .listing-grid { grid-template-columns: repeat(2, 1fr); }
  .product-listing { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  :root { --header-height: 68px; }
  .header-inner > .brand { flex-basis: 190px; width: 190px; height: 52px; gap: 10px; }
  .header-inner > .brand .brand-mark { flex-basis: 42px; width: 42px; height: 42px; }
  .header-inner > .brand .brand-wordmark { display: flex; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .site-nav { position: absolute; top: var(--header-height); right: 0; left: 0; max-height: calc(100dvh - var(--header-height)); display: none; align-items: stretch; gap: 0; padding: 8px 22px 22px; overflow-y: auto; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 22px 34px rgba(15,59,51,.12); white-space: normal; }
  .site-nav.is-open { display: block; }
  .nav-link { display: block; padding: 13px 2px; border-bottom: 1px solid var(--line); font-size: 15px; }
  .nav-link::after { display: none; }
  .intro-layout, .chain-layout, .research-layout, .product-detail { grid-template-columns: 1fr; }
  .intro-layout { gap: 34px; }
  .chain-visual { height: min(70vw, 620px); }
  .research-copy { order: 2; }
  .research-image { order: 1; }
  .product-detail-image { position: static; }
  .product-listing { grid-template-columns: repeat(2, 1fr); }
  .contact-section { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .strength-intro, .strength-research, .strength-manufacturing, .strength-influence { grid-template-columns: 1fr; }
  .strength-intro { align-items: start; }
  .strength-facts { max-width: 680px; }
  .strength-research-gallery { max-width: 760px; }
  .strength-process-list { grid-template-columns: repeat(3, 1fr); }
  .strength-process-list li { min-height: 210px; border-bottom: 1px solid #cdd8d4; }
  .strength-process-list li:nth-child(3) { padding-right: 0; border-right: 0; }
  .strength-process-list li:nth-child(4) { padding-left: 0; }
  .strength-product-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-manufacturing-image { max-width: 760px; }
  .strength-influence-media { max-width: 760px; }
  .strength-cta { align-items: flex-start; flex-direction: column; }
  .footer-main { grid-template-columns: 1.2fr .8fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 420px) {
  .header-inner > .brand { flex-basis: 172px; width: 172px; gap: 8px; }
  .header-inner > .brand .brand-mark { flex-basis: 38px; width: 38px; height: 38px; }
  .header-inner > .brand .brand-wordmark strong { font-size: 18px; }
  .header-inner > .brand .brand-wordmark small { margin-top: 4px; font-size: 8px; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .home-hero, .home-hero-inner { min-height: 690px; }
  .home-hero-media img { object-position: 62% center; }
  .home-hero-scrim { background: linear-gradient(90deg, rgba(4,31,26,.9), rgba(4,31,26,.46)); }
  .hero-copy { padding-top: 10px; }
  .hero-copy h1 { font-size: 52px; }
  .hero-lead { font-size: 21px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid > div { min-height: 96px; padding: 18px; border-bottom: 1px solid rgba(255,255,255,.16); }
  .trust-grid strong { font-size: 17px; }
  .section { padding-block: 72px; }
  .section-heading h2, .research-copy h2, .factory-copy h2, .closing-layout h2 { font-size: 34px; }
  .product-heading { margin-bottom: 30px; }
  .product-feature { min-height: 0; grid-template-columns: 1fr; }
  .product-image { min-height: 0; aspect-ratio: 4 / 3; }
  .product-info { padding: 28px 24px 34px; }
  .product-stack { grid-template-columns: 1fr; }
  .product-row { grid-template-columns: 112px 1fr 20px; }
  .product-row > img { width: 112px; height: 112px; }
  .chain-visual { height: 68vw; min-height: 360px; }
  .factory-panorama { min-height: 560px; }
  .factory-panorama > img { object-position: 58% center; }
  .closing-layout { align-items: flex-start; flex-direction: column; }
  .page-hero { min-height: 330px; }
  .page-hero-inner { padding-bottom: 42px; }
  .page-main { padding: 54px 0 82px; }
  .strength-page { margin-top: 0; }
  .strength-section { padding: 62px 0; }
  .strength-section:first-child { padding-top: 4px; }
  .strength-heading h2, .strength-intro h2, .strength-cta h2 { font-size: 32px; }
  .strength-heading > p, .strength-intro-copy > p, .strength-cta p { font-size: 16px; }
  .strength-intro { gap: 42px; }
  .strength-facts > div { min-height: 118px; padding: 19px; }
  .strength-facts dt { font-size: 26px; }
  .strength-brand-list { grid-template-columns: 1fr; margin-top: 32px; }
  .strength-brand-item { min-height: 400px; max-height: 600px; padding: 24px; }
  .strength-research { gap: 42px; }
  .strength-partners > div { grid-template-columns: 64px minmax(0, 1fr); gap: 14px; min-height: 92px; padding: 14px 0; }
  .strength-partner-logo { width: 64px; height: 60px; }
  .strength-partner-logo img { width: 50px; height: 50px; }
  .strength-partners strong { font-size: 16px; }
  .strength-research-gallery { grid-template-columns: 1fr; }
  .strength-research-gallery img, .strength-research-gallery .strength-research-primary img { aspect-ratio: 16 / 10; }
  .strength-process-list { grid-template-columns: 1fr; margin-top: 32px; }
  .strength-process-list li, .strength-process-list li + li, .strength-process-list li:nth-child(4) { min-height: 0; padding: 22px 0; border-right: 0; border-bottom: 1px solid #cdd8d4; }
  .strength-product-grid { grid-template-columns: 1fr; }
  .strength-product-card { display: grid; grid-template-columns: 118px minmax(0, 1fr); grid-template-rows: auto auto 1fr; column-gap: 18px; padding: 12px; }
  .strength-product-card img { grid-row: 1 / span 3; width: 118px; margin: 0; }
  .strength-product-card > span, .strength-product-card h3, .strength-product-card p { margin-right: 0; margin-left: 0; }
  .strength-product-card h3 { margin-top: 4px; margin-bottom: 6px; font-size: 18px; }
  .strength-influence { gap: 42px; }
  .strength-influence-media { grid-template-columns: 1fr; }
  .strength-influence-media figure:last-child img { aspect-ratio: 16 / 10; }
  .strength-milestones li { grid-template-columns: 54px minmax(0, 1fr); gap: 14px; }
  .strength-cta-actions { width: 100%; flex-wrap: wrap; }
  .listing-grid, .product-listing { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr 20px; gap: 12px; padding: 24px 0; }
  .news-date { grid-column: 1; }
  .news-item > div { grid-column: 1; }
  .news-item > i { grid-column: 2; grid-row: 1 / span 2; }
  .prev-next { grid-template-columns: 1fr; }
  .prev-next > div:last-child { text-align: left; }
  .footer-main { grid-template-columns: 1fr; gap: 42px; padding-block: 58px; }
  .footer-contact { grid-column: auto; }
  .footer-bottom { min-height: 0; align-items: flex-start; flex-direction: column; padding-block: 22px; gap: 6px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form, .contact-panel { padding: 30px 24px; }
  .captcha-row { grid-template-columns: minmax(0, 1fr) 118px; }
  .form-actions { align-items: flex-start; flex-direction: column; }
  .search-form > div { grid-template-columns: 1fr; }
  .content-timeline-list { --timeline-axis: 31px; margin-bottom: 2.2em; padding: 4px 0; }
  .content-timeline-list::before { top: 43px; bottom: 45px; }
  .content p.content-timeline { grid-template-columns: 62px minmax(0, 1fr); gap: 16px; min-height: 90px; padding: 14px 0; }
  .content-timeline-year, .content-timeline-year-icon { width: 62px; height: 62px; }
  .content-timeline-year-number { font-size: 18px; }
  .content-timeline-event { grid-column: 2; grid-row: 1; font-size: 16px; }
}

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

/* 2026 immersive brand refresh */
:root {
  --header-height: 86px;
  --shell: 1500px;
  --green-950: #052e26;
  --green-900: #0a4438;
  --green-700: #19705d;
  --green-100: #e7f0ed;
  --soft: #f2f5f3;
  --accent: #bd382e;
}

.header-observer { position: absolute; top: 0; left: 0; width: 1px; height: 20px; pointer-events: none; }
.site-header {
  height: var(--header-height);
  color: #fff;
  background: linear-gradient(180deg, rgba(2,26,22,.48), rgba(2,26,22,0));
  border-bottom-color: rgba(255,255,255,.16);
  box-shadow: none;
  transition: color .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled, .site-header.is-menu-open {
  color: var(--ink);
  background: rgba(255,255,255,.97);
  border-bottom-color: rgba(15,59,51,.09);
  box-shadow: 0 12px 36px rgba(15,59,51,.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.site-header .brand { flex-basis: 226px; }
.site-header .brand-wordmark { color: #fff; }
.site-header .brand-wordmark small { color: rgba(255,255,255,.66); }
.site-header .nav-link { color: rgba(255,255,255,.9); }
.site-header .nav-link:hover, .site-header .nav-link:focus-visible, .site-header .nav-link.is-active { color: #fff; }
.site-header.is-scrolled .brand-wordmark, .site-header.is-menu-open .brand-wordmark { color: var(--ink); }
.site-header.is-scrolled .brand-wordmark small, .site-header.is-menu-open .brand-wordmark small { color: #52605c; }
.site-header.is-scrolled .nav-link, .site-header.is-menu-open .nav-link { color: #31413d; }
.site-header.is-scrolled .nav-link:hover, .site-header.is-scrolled .nav-link:focus-visible, .site-header.is-scrolled .nav-link.is-active,
.site-header.is-menu-open .nav-link:hover, .site-header.is-menu-open .nav-link:focus-visible, .site-header.is-menu-open .nav-link.is-active { color: var(--green-900); }
.mobile-nav-contact { display: none; }

.page-hero { min-height: 520px; margin-top: 0; }
.page-hero-overlay { background: linear-gradient(90deg, rgba(3,31,26,.88), rgba(3,31,26,.22)); }
.page-hero-inner { padding-bottom: 78px; }
.page-main { padding-top: 90px; }

.home-hero { min-height: 100dvh; margin-top: 0; }
.home-hero-media img { transform: scale(1.035); animation: heroDrift 14s ease-out both; }
.home-hero-scrim {
  background:
    linear-gradient(90deg, rgba(2,27,23,.88) 0%, rgba(2,27,23,.62) 40%, rgba(2,27,23,.15) 74%, rgba(2,27,23,.08) 100%),
    linear-gradient(0deg, rgba(2,25,21,.42), transparent 40%);
}
.home-hero-inner { min-height: 100dvh; align-items: center; padding-top: var(--header-height); }
.hero-copy { max-width: 850px; padding: 0 0 2vh; }
.hero-kicker { margin-bottom: 18px; font-size: 12px; letter-spacing: .24em; }
.hero-copy h1 { max-width: 830px; font-size: clamp(58px, 6.2vw, 104px); line-height: 1.06; font-weight: 650; }
.hero-lead { max-width: 610px; margin: 26px 0 38px; color: rgba(255,255,255,.82); font-size: clamp(17px, 1.5vw, 23px); }
.hero-actions { gap: 14px; }
.hero-actions .button { min-height: 54px; padding-inline: 28px; }
.hero-signature { position: absolute; right: 0; bottom: 34px; left: 0; display: flex; justify-content: space-between; color: rgba(255,255,255,.56); font: 700 10px/1.2 Arial, sans-serif; letter-spacing: .16em; }
@keyframes heroDrift { from { transform: scale(1.08); } to { transform: scale(1.035); } }

.home-intro { padding: clamp(110px, 11vw, 180px) 0 clamp(100px, 10vw, 160px); overflow: hidden; background: #fff; }
.home-intro-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(380px, .72fr); gap: clamp(64px, 10vw, 170px); align-items: start; }
.home-intro-title h2, .home-section-head h2, .capability-copy h2, .home-news-heading h2, .home-contact-inner h2 {
  margin: 0;
  font-size: clamp(44px, 5.1vw, 78px);
  line-height: 1.16;
  font-weight: 650;
}
.home-intro-content { padding-top: 43px; }
.home-intro-content p { max-width: 650px; margin: 0 0 18px; color: var(--muted); font-size: 17px; }
.home-intro-content .intro-lead { color: var(--ink); font-size: clamp(19px, 1.55vw, 24px); line-height: 1.75; }
.home-facts { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(70px, 8vw, 120px); border-top: 1px solid var(--line); }
.home-fact { min-height: 170px; padding: 30px 28px 22px 0; border-right: 1px solid var(--line); }
.home-fact + .home-fact { padding-left: 36px; }
.home-fact:last-child { border-right: 0; }
.home-fact strong { color: var(--green-900); font: 650 clamp(42px, 4vw, 64px)/1 Arial, sans-serif; }
.home-fact small { margin-left: 7px; color: var(--muted); font: 700 14px/1 "Microsoft YaHei", sans-serif; }
.home-fact p { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.intro-image-wrap { position: relative; margin-top: 10px; }
.intro-image { width: 82%; height: clamp(450px, 45vw, 700px); margin: 0 0 0 auto; overflow: hidden; }
.intro-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.intro-image-wrap:hover .intro-image img { transform: scale(1.018); }
.intro-image-note { position: absolute; bottom: 0; left: 0; width: min(400px, 32%); min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; padding: 36px; color: #fff; background: var(--green-900); }
.intro-image-note span { color: rgba(255,255,255,.6); font-size: 12px; font-weight: 700; }
.intro-image-note strong { max-width: 290px; font-size: clamp(21px, 2vw, 30px); line-height: 1.45; }

.home-products { padding: clamp(110px, 10vw, 168px) 0; overflow: hidden; color: #fff; background: var(--green-950); }
.home-products .eyebrow { color: #e76a60; }
.home-section-head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, .62fr); gap: 80px; align-items: end; }
.home-section-side { padding-bottom: 8px; }
.home-section-side > p { max-width: 520px; margin: 0; color: rgba(255,255,255,.64); }
.text-link-light { color: #fff; border-bottom-color: rgba(255,255,255,.48); }
.product-rail-wrap { margin-top: clamp(54px, 6vw, 88px); }
.product-rail { display: flex; gap: 20px; overflow-x: auto; overflow-y: hidden; scroll-behavior: smooth; scroll-snap-type: x mandatory; scrollbar-width: none; }
.product-rail::-webkit-scrollbar { display: none; }
.product-slide { position: relative; flex: 0 0 min(360px, 76vw); scroll-snap-align: start; color: #fff; border-top: 1px solid rgba(255,255,255,.24); }
.product-slide-featured { flex-basis: min(560px, 84vw); }
.product-index { display: block; padding: 15px 0; color: rgba(255,255,255,.45); font: 700 12px/1 Arial, sans-serif; }
.product-slide-image { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: #e9eff0; }
.product-slide-featured .product-slide-image { aspect-ratio: 4 / 3; }
.product-slide-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.product-slide:hover .product-slide-image img { transform: scale(1.035); }
.product-slide-copy { position: relative; padding: 25px 48px 5px 0; }
.product-slide-copy > span { color: #e76a60; font-size: 12px; font-weight: 700; }
.product-slide-copy h3 { margin: 8px 0 8px; font-size: clamp(22px, 2vw, 31px); line-height: 1.35; }
.product-slide-copy p { margin: 0; color: rgba(255,255,255,.58); font-size: 14px; }
.product-slide-copy > i { position: absolute; right: 4px; bottom: 12px; font-size: 22px; transition: transform .25s ease; }
.product-slide:hover .product-slide-copy > i { transform: translateX(5px); }
.product-rail-controls { display: flex; justify-content: flex-end; gap: 10px; margin-top: 42px; }
.product-rail-controls button, .back-top { width: 52px; height: 52px; display: inline-grid; place-items: center; color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; cursor: pointer; transition: color .2s ease, background .2s ease, transform .15s ease; }
.product-rail-controls button:hover, .product-rail-controls button:focus-visible { color: var(--green-950); background: #fff; }
.product-rail-controls button:active { transform: scale(.96); }

.home-capability { padding: clamp(110px, 11vw, 180px) 0; background: #fff; }
.capability-grid { display: grid; grid-template-columns: minmax(360px, .72fr) minmax(0, 1.28fr); gap: clamp(70px, 10vw, 160px); align-items: start; }
.capability-copy { position: sticky; top: calc(var(--header-height) + 50px); padding-top: 28px; }
.capability-copy > p:not(.eyebrow) { max-width: 500px; margin: 26px 0 0; color: var(--muted); font-size: 17px; }
.capability-list { margin: 42px 0 15px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.capability-list li { display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: center; min-height: 70px; border-bottom: 1px solid var(--line); }
.capability-list span { color: var(--accent); font: 700 11px/1 Arial, sans-serif; }
.capability-list strong { font-size: 16px; }
.capability-gallery { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: end; }
.capability-gallery figure { margin: 0; }
.capability-gallery .capability-main { grid-column: 1 / -1; width: 86%; margin-left: auto; }
.capability-gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.capability-gallery .capability-main img { aspect-ratio: 16 / 9; }
.capability-gallery figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; }
.capability-gallery figure:last-child { transform: translateY(70px); }

.factory-panorama { min-height: 84dvh; align-items: center; }
.factory-overlay { background: linear-gradient(90deg, rgba(2,28,23,.82), rgba(2,28,23,.16) 66%, rgba(2,28,23,.06)); }
.factory-copy { padding-bottom: 0; }
.factory-copy > p { color: rgba(255,255,255,.68); }
.factory-copy h2 { max-width: 780px; font-size: clamp(48px, 5.4vw, 82px); line-height: 1.14; }
.factory-data { display: flex; gap: 56px; margin-top: 36px; }
.factory-data span { display: flex; flex-direction: column; color: rgba(255,255,255,.64); font-size: 13px; }
.factory-data strong { margin-bottom: 5px; color: #fff; font-size: 23px; }

.home-news { padding-block: clamp(100px, 10vw, 160px); }
.home-news-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; margin-bottom: 58px; }
.home-news-list { border-top: 1px solid var(--line); }
.home-news-item { min-height: 180px; display: grid; grid-template-columns: 150px minmax(0, 1fr) 48px; gap: clamp(24px, 4vw, 70px); align-items: center; border-bottom: 1px solid var(--line); }
.home-news-item time { color: var(--muted); font: 500 13px/1 Arial, sans-serif; }
.home-news-item span { color: var(--accent); font-size: 12px; font-weight: 700; }
.home-news-item h3 { margin: 7px 0 5px; font-size: clamp(21px, 2vw, 29px); line-height: 1.4; }
.home-news-item p { max-width: 800px; margin: 0; color: var(--muted); font-size: 14px; }
.home-news-item > i { font-size: 22px; transition: color .2s ease, transform .2s ease; }
.home-news-item:hover > i { color: var(--accent); transform: translateX(6px); }

.home-contact-cta { position: relative; min-height: 620px; display: flex; align-items: center; overflow: hidden; color: #fff; }
.home-contact-media, .home-contact-overlay { position: absolute; inset: 0; }
.home-contact-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.home-contact-overlay { background: linear-gradient(90deg, rgba(2,30,25,.92), rgba(2,30,25,.55) 55%, rgba(2,30,25,.3)); }
.home-contact-inner { position: relative; z-index: 1; }
.home-contact-inner > p { margin: 0 0 13px; color: rgba(255,255,255,.66); font-size: 13px; font-weight: 700; }
.home-contact-inner h2 { max-width: 760px; }
.contact-round { position: absolute; right: 4%; top: 50%; width: 148px; height: 148px; display: flex; align-items: center; justify-content: center; gap: 18px; color: #fff; background: var(--accent); border-radius: 50%; transform: translateY(-50%); transition: background .25s ease, transform .25s ease; }
.contact-round span { font-size: 18px; font-weight: 700; line-height: 1.45; }
.contact-round:hover, .contact-round:focus-visible { background: #982d25; transform: translateY(-50%) scale(1.04); }

.site-footer { background: #03261f; }
.footer-statement { padding: 82px 0 60px; border-bottom: 1px solid rgba(255,255,255,.13); }
.footer-statement p { margin: 0 0 12px; color: rgba(255,255,255,.46); font: 700 11px/1 Arial, sans-serif; letter-spacing: .18em; }
.footer-statement h2 { max-width: 820px; margin: 0; color: #fff; font-size: clamp(32px, 4vw, 56px); line-height: 1.25; }
.footer-main { grid-template-columns: 1.25fr .75fr .72fr .8fr; gap: clamp(34px, 5vw, 80px); padding-block: 64px 54px; }
.footer-business a { display: block; margin-bottom: 8px; }
.footer-bottom { min-height: 78px; }
.footer-bottom > div { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.back-top { width: 42px; height: 42px; }

.reveal { opacity: 1; transform: translateY(28px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1320px) {
  .site-header .brand { flex-basis: 190px; }
  .site-header .brand-mark { width: 42px; height: 42px; flex-basis: 42px; }
  .site-header .brand-wordmark strong { font-size: 20px; }
  .site-nav { gap: 14px; }
  .nav-link { font-size: 13px; }
  .contact-round { right: 0; }
}

@media (max-width: 1100px) {
  :root { --header-height: 72px; }
  .menu-toggle { display: inline-grid; place-items: center; color: #fff; }
  .site-header.is-scrolled .menu-toggle, .site-header.is-menu-open .menu-toggle { color: var(--ink); }
  .site-nav { position: fixed; top: var(--header-height); right: 0; bottom: 0; left: 0; max-height: none; display: none; padding: 28px 32px 40px; overflow-y: auto; color: var(--ink); background: rgba(255,255,255,.99); border-top: 1px solid var(--line); box-shadow: none; }
  .site-nav.is-open { display: block; }
  .site-nav .nav-link { color: var(--ink); padding: 13px 0; font-size: 18px; }
  .mobile-nav-contact { display: flex; flex-direction: column; gap: 4px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
  .mobile-nav-contact span { color: var(--muted); font-size: 12px; }
  .mobile-nav-contact a { color: var(--green-900); font-size: 24px; font-weight: 700; }
  body.menu-open { overflow: hidden; }
  .home-intro-grid, .home-section-head, .capability-grid { grid-template-columns: 1fr; }
  .home-intro-content { max-width: 720px; padding-top: 0; }
  .home-facts { grid-template-columns: repeat(2, 1fr); }
  .home-fact:nth-child(2) { border-right: 0; }
  .home-fact:nth-child(n+3) { border-top: 1px solid var(--line); }
  .home-section-head { gap: 34px; }
  .capability-copy { position: static; max-width: 680px; }
  .capability-gallery { max-width: 900px; }
  .contact-round { position: static; margin-top: 40px; transform: none; }
  .contact-round:hover, .contact-round:focus-visible { transform: scale(1.04); }
  .footer-main { grid-template-columns: 1.2fr .8fr .8fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 36px), var(--shell)); }
  .site-header .brand { flex-basis: 180px; }
  .home-hero, .home-hero-inner { min-height: 100dvh; }
  .home-hero-media img { object-position: 59% center; }
  .home-hero-scrim { background: linear-gradient(90deg, rgba(2,27,23,.9), rgba(2,27,23,.45)); }
  .hero-copy { padding: 26px 0 0; }
  .hero-copy h1 { font-size: clamp(43px, 12vw, 58px); line-height: 1.14; }
  .hero-lead { max-width: 330px; margin: 20px 0 28px; font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-actions .button { min-height: 50px; }
  .hero-signature { right: 18px; bottom: 20px; left: 18px; }
  .hero-signature span:first-child { display: none; }
  .hero-signature { justify-content: flex-end; }
  .home-intro { padding: 84px 0 80px; }
  .home-intro-title h2, .home-section-head h2, .capability-copy h2, .home-news-heading h2, .home-contact-inner h2 { font-size: 38px; }
  .home-intro-content .intro-lead { font-size: 18px; }
  .home-facts { margin-top: 55px; }
  .home-fact { min-height: 128px; padding: 22px 14px 18px 0; }
  .home-fact + .home-fact { padding-left: 18px; }
  .home-fact strong { font-size: 37px; }
  .home-fact p { margin-top: 13px; font-size: 12px; line-height: 1.55; }
  .intro-image-wrap { margin-top: 12px; }
  .intro-image { width: 100%; height: 440px; }
  .intro-image img { object-position: 48% center; }
  .intro-image-note { position: relative; width: 100%; min-height: 132px; padding: 24px; }
  .intro-image-note strong { margin-top: 22px; font-size: 21px; }
  .home-products { padding: 84px 0; }
  .home-section-head { gap: 24px; }
  .product-rail-wrap { margin-top: 42px; }
  .product-slide, .product-slide-featured { flex-basis: 82vw; }
  .product-slide-featured .product-slide-image { aspect-ratio: 1 / 1; }
  .product-rail-controls { justify-content: flex-start; margin-top: 30px; }
  .home-capability { padding: 84px 0 120px; }
  .capability-grid { gap: 54px; }
  .capability-copy { padding-top: 0; }
  .capability-copy > p:not(.eyebrow) { font-size: 16px; }
  .capability-gallery { grid-template-columns: 1fr; gap: 28px; }
  .capability-gallery .capability-main { grid-column: auto; width: 100%; }
  .capability-gallery img, .capability-gallery .capability-main img { aspect-ratio: 4 / 3; }
  .capability-gallery figure:last-child { transform: none; }
  .factory-panorama { min-height: 720px; }
  .factory-panorama > img { object-position: 60% center; }
  .factory-overlay { background: linear-gradient(90deg, rgba(2,28,23,.88), rgba(2,28,23,.32)); }
  .factory-copy h2 { font-size: 42px; }
  .factory-data { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 30px; }
  .home-news { padding-block: 82px; }
  .home-news-heading { align-items: flex-start; flex-direction: column; gap: 24px; margin-bottom: 38px; }
  .home-news-item { min-height: 0; grid-template-columns: 1fr 28px; gap: 14px; padding: 26px 0; }
  .home-news-item time { grid-column: 1; }
  .home-news-item > div { grid-column: 1; }
  .home-news-item > i { grid-column: 2; grid-row: 1 / span 2; }
  .home-news-item h3 { font-size: 20px; }
  .home-contact-cta { min-height: 620px; }
  .home-contact-media img { object-position: 66% center; }
  .home-contact-overlay { background: linear-gradient(90deg, rgba(2,30,25,.93), rgba(2,30,25,.48)); }
  .contact-round { width: 124px; height: 124px; }
  .footer-statement { padding: 62px 0 44px; }
  .footer-main { grid-template-columns: 1fr; gap: 38px; padding-block: 48px; }
  .footer-contact { grid-column: auto; }
  .footer-bottom > div { flex-direction: column; gap: 5px; }
  .page-hero { min-height: 430px; }
  .page-hero-inner { padding-bottom: 50px; }
  .page-main { padding-top: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  .home-hero-media img { animation: none; transform: none; }
  .product-rail { scroll-behavior: auto; }
}