:root {
  --ink: #0d1720;
  --midnight: #07121b;
  --navy: #0e2434;
  --ice: #dff3fb;
  --ice-strong: #9bd8ec;
  --fire: #ef6b2e;
  --cream: #f4f1eb;
  --paper: #fbfaf7;
  --muted: #66737d;
  --line: #d9dee1;
  --green: #20a766;
  --max: 1440px;
  --shadow: 0 24px 70px rgba(7, 18, 27, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 118px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 15px/1.65 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; background: white; color: var(--ink); }
.skip-link:focus { top: 16px; }

.announcement { height: 32px; display: grid; place-items: center; padding: 0 4vw; color: #bdd8e5; background: #03090e; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; text-align: center; }
.site-header { max-width: none; padding: 12px max(4vw, calc((100vw - var(--max)) / 2)) 6px; display: flex; flex-direction: column; align-items: stretch; gap: 2px; position: sticky; top: 0; z-index: 40; color: white; background: rgba(7, 18, 27, .96); border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(18px); }
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.header-right { display: flex; align-items: center; gap: 18px; flex: 0 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 240px; color: white; text-decoration: none; }
.brand img { width: 64px; height: 64px; object-fit: contain; border-radius: 5px; }
.brand span { display: grid; line-height: 1.1; }
.brand b { font-size: 14px; letter-spacing: .16em; }
.brand small { margin-top: 6px; color: #93a8b4; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.site-header nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 2.4vw, 38px); padding: 6px 0 2px; }
.site-header nav a { color: #d4e0e6; text-decoration: none; font-size: 13px; white-space: nowrap; }
.site-header nav a:hover { color: white; }
.header-cta, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border: 1px solid currentColor; border-radius: 2px; text-decoration: none; font-weight: 700; font-size: 12px; letter-spacing: .07em; text-transform: uppercase; cursor: pointer; transition: transform .2s, background .2s, color .2s; }
.header-cta { color: #fff; background: linear-gradient(135deg, #22c876, #12934f); border: none; border-radius: 999px; padding: 11px 18px; min-height: 42px; white-space: nowrap; box-shadow: 0 8px 22px rgba(18, 147, 79, .28); }
.header-cta::before { content: ""; width: 17px; height: 17px; margin-right: 9px; flex: 0 0 auto; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12.04 2a9.9 9.9 0 0 0-8.5 15L2 22l5.1-1.3A9.9 9.9 0 1 0 12.04 2zm-.3 1.8a8.1 8.1 0 1 1-7.1 12.1l-.2-.4-1.5.4.4-1.5-.2-.4a8.1 8.1 0 0 1 8.6-10.2zm-2.5 4.2c-.2 0-.4.1-.6.3-.2.3-.9 1-.9 2.4s.9 2.7 1.1 3c.2.2 1.9 2.9 4.6 4 2.3.9 2.3.6 2.7.6.4-.1 1.3-.6 1.5-1.1.2-.6.2-1 .1-1.1-.1-.1-.3-.2-.6-.4l-1.5-.7c-.2-.1-.4-.1-.6.1l-.7.9c-.1.2-.3.2-.5.1a6.4 6.4 0 0 1-3-2.8c-.1-.2 0-.3.1-.5l.5-.6c.2-.2.2-.3.3-.5v-.4l-.8-1.9c-.2-.5-.4-.4-.7-.4z'/%3E%3C/svg%3E") center/contain no-repeat; }
.header-cta:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(18, 147, 79, .38); }
.header-cta:hover, .button:hover { transform: translateY(-2px); }
.menu-toggle { display: none; border: 1px solid #ffffff40; color: white; background: transparent; padding: 9px 13px; }
.language-switcher { position: relative; flex: 0 0 auto; }
.language-toggle { min-height: 44px; display: inline-flex; align-items: center; gap: 9px; padding: 8px 13px; color: #e5f2f7; background: #ffffff0a; border: 1px solid #ffffff2e; border-radius: 999px; cursor: pointer; }
.language-toggle b { max-width: 92px; overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.language-toggle i { color: #89acbb; font-style: normal; transition: transform .2s; }
.language-switcher.open .language-toggle i { transform: rotate(180deg); }
.language-menu { width: 230px; max-height: min(520px, 70vh); display: none; grid-template-columns: 1fr; gap: 2px; position: absolute; right: 0; top: calc(100% + 12px); z-index: 80; overflow: auto; padding: 10px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.language-switcher.open .language-menu { display: grid; animation: languageIn .18s ease-out both; }
.language-menu button { padding: 11px 13px; border: 0; border-radius: 9px; color: #34444d; background: transparent; text-align: left; cursor: pointer; }
.language-menu button:hover, .language-menu button.active { color: #0c627f; background: var(--ice); }
@keyframes languageIn { from { opacity: 0; transform: translateY(-7px); } to { opacity: 1; transform: translateY(0); } }
[dir="rtl"] .language-menu { left: 0; right: auto; text-align: right; }
[dir="rtl"] .language-menu button { text-align: right; }
[dir="rtl"] .product-meta, [dir="rtl"] .section-heading, [dir="rtl"] .contact-section { direction: rtl; }

.hero { min-height: calc(100vh - 118px); display: grid; grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr); background: var(--midnight); color: white; overflow: hidden; }
.hero-copy { padding: clamp(80px, 8vw, 135px) 5vw clamp(70px, 7vw, 105px) max(5vw, calc((100vw - var(--max)) / 2)); align-self: center; }
.eyebrow { margin: 0 0 18px; color: var(--ice-strong); font-size: 11px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow.ink { color: #287796; }
.hero h1, h2, .product-detail h1 { margin: 0; font: 400 clamp(48px, 5.6vw, 92px)/.98 Georgia, "Times New Roman", serif; letter-spacing: -.045em; }
.hero-copy > p:not(.eyebrow) { max-width: 680px; margin: 28px 0 34px; color: #c6d4db; font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.button-light { color: #07121b; border-color: var(--ice); background: var(--ice); }
.button-dark { color: white; border-color: var(--midnight); background: var(--midnight); }
.text-link { color: white; text-underline-offset: 6px; }
.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: clamp(55px, 7vw, 90px) 0 0; }
.hero-metrics div { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.18); }
.hero-metrics dt { font: 28px Georgia, serif; }
.hero-metrics dd { margin: 5px 0 0; color: #8da3ae; font-size: 11px; line-height: 1.45; text-transform: uppercase; }
.hero-visual { min-height: 680px; position: relative; background: linear-gradient(140deg, #102b3c, #07121b); }
.hero-visual:before { content: ""; position: absolute; width: 70%; aspect-ratio: 1; left: -12%; top: -20%; border-radius: 50%; background: #3fb3de33; filter: blur(50px); }
.hero-image-wrap { position: absolute; inset: 5vw 0 5vw 4vw; overflow: hidden; border-radius: 2px 0 0 2px; box-shadow: -30px 40px 90px rgba(0,0,0,.32); }
.hero-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-note { position: absolute; left: 0; bottom: 9vw; min-width: 265px; display: grid; padding: 20px 24px; color: var(--ink); background: rgba(255,255,255,.95); box-shadow: var(--shadow); }
.hero-note span { color: var(--muted); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.hero-note b { margin: 4px 0; font: 27px Georgia, serif; }
.hero-note small { color: var(--muted); }

.section { max-width: var(--max); margin: 0 auto; padding: clamp(90px, 9vw, 140px) 5vw; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); gap: clamp(50px, 10vw, 150px); align-items: end; margin-bottom: 54px; }
.section-heading.compact { margin-bottom: 44px; }
.section-heading h2, .capability-copy h2, .contact-section h2 { font-size: clamp(42px, 5vw, 72px); }
.section-heading > p { margin: 0; color: var(--muted); font-size: 16px; }
.catalog-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 28px; }
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-chips button { min-height: 38px; padding: 8px 15px; color: #3f4e57; background: #fff; border: 1px solid #d7dde0; border-radius: 999px; cursor: pointer; transition: color .2s, background .2s, border-color .2s; }
.filter-chips button.active, .filter-chips button:hover { color: white; background: var(--navy); border-color: var(--navy); }
.catalog-search input { width: min(360px, 28vw); min-height: 44px; padding: 10px 15px; border: 1px solid #cbd2d5; background: white; }
.products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product { min-width: 0; display: flex; flex-direction: column; background: white; border: 1px solid #e6e9ea; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 26px rgba(7,18,27,.06); transition: transform .28s, box-shadow .28s; }
.product:hover { transform: translateY(-7px); box-shadow: 0 24px 52px rgba(7,18,27,.14); }
.product-media { height: 330px; overflow: hidden; position: relative; background: #e9e4dc; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s; }
.product:hover .product-media img { transform: scale(1.05); }
.product-badge { position: absolute; left: 14px; top: 14px; padding: 6px 10px; color: white; background: rgba(7,18,27,.82); border: 1px solid #ffffff29; border-radius: 999px; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; backdrop-filter: blur(4px); }
.product-copy { flex: 1; display: flex; flex-direction: column; padding: 24px; }
.product-meta { display: flex; justify-content: space-between; gap: 12px; color: #397e99; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.product h3 { margin: 12px 0 8px; font: 28px/1.15 Georgia, serif; }
.product p { margin: 0 0 18px; color: var(--muted); }
.product-specs { display: flex; gap: 14px; flex-wrap: wrap; margin-top: auto; padding-top: 15px; border-top: 1px solid #e5e8e9; color: #40515b; font-size: 11px; }
.product-link { font-weight: 800; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.product-link:hover { color: #0c627f; border-color: currentColor; }
.product-actions { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 17px; }
.product-whatsapp { padding: 8px 12px; color: #0d7544; background: #e3f8ed; border-radius: 999px; font-size: 10px; font-weight: 800; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; transition: color .2s, background .2s; }
.product-whatsapp:hover { color: white; background: var(--green); }
.catalog-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; color: var(--muted); }
.catalog-footer button[hidden] { display: none; }
.empty-products { grid-column: 1 / -1; padding: 50px; color: var(--muted); border: 1px dashed var(--line); text-align: center; }

.capabilities { min-height: 780px; display: grid; grid-template-columns: 1fr 1fr; color: white; background: #102839; }
.capability-image { min-height: 620px; }
.capability-image img { width: 100%; height: 100%; object-fit: cover; }
.capability-copy { align-self: center; padding: clamp(70px, 8vw, 130px); }
.capability-copy > p:not(.eyebrow) { max-width: 630px; color: #c7d5db; font-size: 17px; }
.capability-list { margin-top: 44px; }
.capability-list article { display: grid; grid-template-columns: 48px 1fr; column-gap: 16px; padding: 20px 0; border-top: 1px solid #ffffff20; }
.capability-list span { grid-row: 1 / 3; color: var(--ice-strong); }
.capability-list h3 { margin: 0; font: 25px Georgia, serif; }
.capability-list p { margin: 5px 0 0; color: #9eb0ba; }

.trade-section { max-width: none; padding-left: max(5vw, calc((100vw - var(--max)) / 2)); padding-right: max(5vw, calc((100vw - var(--max)) / 2)); background: var(--cream); }
.trade-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px; }
.company-card { padding: clamp(32px, 4vw, 60px); color: white; background: var(--midnight); }
.company-card > img { width: 116px; height: 116px; object-fit: contain; margin-bottom: 36px; }
.company-card h3 { margin: 0 0 20px; font: 35px/1.16 Georgia, serif; }
.company-card > p:not(.eyebrow) { color: #afc0c8; }
.company-links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.company-links a { color: var(--ice-strong); }
.company-certs { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.company-certs a { display: block; width: 74px; padding: 6px; background: #fff; border-radius: 4px; }
.company-certs img { width: 100%; height: 96px; object-fit: contain; display: block; }
.company-cta { display: inline-flex; margin-top: 22px; color: var(--ice-strong); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }
.trade-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.trade-fact { min-height: 190px; padding: 26px; background: white; border: 1px solid #dedbd5; }
.trade-fact span { color: #287796; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.trade-fact b { display: block; margin: 18px 0 10px; font: 27px/1.2 Georgia, serif; }
.trade-fact p { margin: 0; color: var(--muted); }
.process-strip { display: grid; grid-template-columns: repeat(4, 1fr); color: white; background: #19435a; }
.process-strip div { min-height: 190px; padding: 34px; border-right: 1px solid #ffffff24; }
.process-strip span { color: var(--ice-strong); }
.process-strip b, .process-strip small { display: block; }
.process-strip b { margin: 28px 0 7px; font: 21px Georgia, serif; }
.process-strip small { color: #b7c9d2; }

.faq-section { padding-bottom: 150px; }
.faq-list { max-width: 1050px; margin-left: auto; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; display: flex; justify-content: space-between; gap: 30px; padding: 25px 0; border: 0; color: var(--ink); background: transparent; text-align: left; font: 26px Georgia, serif; cursor: pointer; }
.faq-item button span { font-family: sans-serif; font-weight: 300; }
.faq-answer { display: none; max-width: 760px; margin: -5px 0 28px; color: var(--muted); font-size: 16px; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open button span { transform: rotate(45deg); }
.faq-more { margin-top: 36px; text-align: right; }

.contact-section { display: grid; grid-template-columns: 1fr; row-gap: 30px; padding: clamp(90px, 9vw, 140px) max(5vw, calc((100vw - var(--max)) / 2)); color: white; background: linear-gradient(135deg, #0c2636, #07121b); }
.contact-section.panel.active { display: grid; }
.contact-copy > p:not(.eyebrow) { max-width: 560px; color: #b1c2ca; font-size: 17px; }
.contact-details { display: grid; gap: 8px; margin-top: 34px; }
.contact-details a { color: var(--ice-strong); }
.contact-body { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(24px, 4vw, 60px); align-items: start; }
.contact-body .contact-details { margin-top: 0; }
.contact-whatsapp { margin-top: 32px; }
.wechat-card { display: inline-flex; align-items: center; gap: 18px; padding: 18px 22px; color: var(--ink); background: #fff; border: 1px solid #ffffff2b; border-radius: 12px; text-decoration: none; }
.wechat-card img { width: 150px; height: 140px; object-fit: contain; display: block; }
.wechat-card span { display: grid; line-height: 1.25; }
.wechat-card b { font-size: 17px; }
.wechat-card small { color: var(--muted); }
.wechat-promo { display: grid; justify-items: end; text-align: right; gap: 18px; align-self: start; margin-top: 32px; color: #fff; }
.wechat-promo a { display: block; }
.wechat-promo img { width: clamp(220px, 20vw, 320px); height: auto; display: block; border-radius: 14px; background: #fff; box-shadow: 0 18px 48px rgba(0,0,0,.35); }
.wechat-promo span { display: grid; justify-items: end; gap: 8px; line-height: 1.3; }
.wechat-promo b { font-size: clamp(22px, 2vw, 28px); }
.wechat-promo small { color: #b1c2ca; font-size: 15px; }
.contact-section .map-card { grid-column: 1 / -1; align-self: stretch; }
.wechat-float { position: fixed; left: auto; right: 27px; bottom: 98px; z-index: 50; display: grid; place-items: center; width: 52px; height: 52px; border: 0; border-radius: 14px; color: #fff; background: linear-gradient(135deg, #23c90b, #0a9a16); box-shadow: 0 12px 26px rgba(10,154,22,.35); cursor: pointer; transition: transform .2s; }
.wechat-float:hover { transform: translateY(-3px); }
.wechat-float svg { width: 26px; height: 26px; }
.wechat-popup { position: fixed; left: auto; right: 22px; bottom: 164px; z-index: 60; width: 236px; padding: 18px; background: #fff; border: 1px solid #e2e6e8; border-radius: 14px; box-shadow: 0 24px 60px rgba(0,0,0,.25); text-align: center; }
.wechat-popup[hidden] { display: none; }
.wechat-popup img { width: 180px; height: 168px; object-fit: contain; margin: 0 auto 10px; display: block; }
.wechat-popup b { display: block; }
.wechat-popup small { color: var(--muted); }
.wechat-about, .company-wechat { margin-top: 24px; }
.wechat-about .wechat-card, .company-wechat .wechat-card { color: var(--ink); background: #fff; }
.map-card { align-self: start; overflow: hidden; color: var(--ink); background: white; border: 1px solid #ffffff2b; box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.map-card iframe { width: 100%; height: min(520px, 58vh); display: block; border: 0; background: #d8e2e6; }
.map-card > div { display: grid; gap: 5px; padding: 18px 22px 22px; }
.map-card span { color: var(--muted); font-size: 12px; }
.inquiry-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-self: start; padding: clamp(28px, 4vw, 54px); background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); }
.inquiry-form label { color: #d8e3e8; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; margin-top: 8px; padding: 13px 0; border: 0; border-bottom: 1px solid #ffffff45; border-radius: 0; color: white; background: transparent; outline: none; }
.inquiry-form select option { color: var(--ink); }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--ice-strong); }
.inquiry-form .full { grid-column: 1 / -1; }
.form-action { display: flex; align-items: center; gap: 20px; }
#form-status { margin: 0; color: var(--ice-strong); font-size: 12px; text-transform: none; letter-spacing: 0; }

footer { display: grid; grid-template-columns: 1.7fr .6fr .6fr; gap: 60px; padding: 60px max(5vw, calc((100vw - var(--max)) / 2)); color: #a5b3ba; background: #02070b; }
.footer-brand { display: flex; align-items: center; gap: 18px; color: white; }
.footer-brand img { width: 92px; height: 92px; object-fit: contain; }
.footer-brand div, footer > div:not(.footer-brand) { display: grid; align-content: center; gap: 7px; }
.footer-brand b { letter-spacing: .14em; }
.footer-brand small { color: #83949c; }
footer > div:not(.footer-brand) b { color: white; margin-bottom: 8px; }
footer a { color: #9cabb2; text-decoration: none; }
footer > p { grid-column: 1 / -1; margin: 12px 0 0; padding-top: 24px; border-top: 1px solid #ffffff14; font-size: 12px; }

.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 50; display: grid; place-items: center; width: 62px; height: 62px; padding: 0; color: #fff; background: linear-gradient(135deg, #22c876, #128d50); border: 1px solid rgba(255,255,255,.5); border-radius: 18px; box-shadow: 0 14px 32px rgba(4,65,33,.34); text-decoration: none; animation: whatsappDrift 4.8s ease-in-out infinite; transition: transform .25s, box-shadow .25s; }
.whatsapp-float:before { content: ""; position: absolute; inset: -6px; z-index: -1; border: 2px solid rgba(36,203,120,.36); border-radius: inherit; animation: whatsappPulse 2.6s ease-out infinite; }
.whatsapp-float:hover { transform: translateY(-4px) scale(1.04); box-shadow: 0 20px 44px rgba(4,65,33,.44); animation-play-state: paused; }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }
.whatsapp-float span, .whatsapp-float b, .whatsapp-float small { display: none; }
.whatsapp-float i { position: absolute; right: -4px; top: -4px; min-width: 18px; height: 18px; display: grid; place-items: center; padding: 0; color: #fff; background: #e22f2f; border: 2px solid #fff; border-radius: 999px; font-size: 9px; font-style: normal; font-weight: 800; }
@keyframes whatsappDrift { 0%, 100% { transform: translate3d(0,0,0) rotate(0); } 38% { transform: translate3d(0,-7px,0) rotate(.7deg); } 70% { transform: translate3d(-3px,-2px,0) rotate(-.6deg); } }
@keyframes whatsappPulse { 0% { opacity: .8; transform: scale(.94); } 75%, 100% { opacity: 0; transform: scale(1.12); } }

/* Server-rendered product detail pages */
.detail-page { min-height: 100vh; background: var(--paper); }
.detail-header { position: sticky; flex-direction: row; align-items: center; justify-content: space-between; gap: 28px; }
.product-detail { max-width: var(--max); margin: 0 auto; padding: 70px 5vw 120px; }
.detail-breadcrumb { margin-bottom: 32px; color: var(--muted); font-size: 12px; }
.detail-breadcrumb a { text-underline-offset: 4px; }
.detail-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(45px, 7vw, 100px); align-items: start; }
.detail-image { position: sticky; top: 110px; overflow: hidden; background: #e8e5df; }
.detail-image img { width: 100%; min-height: 600px; object-fit: cover; }
.detail-image img + img { min-height: 260px; margin-top: 12px; }
.detail-carousel { position: relative; }
.detail-carousel .carousel-viewport { overflow: hidden; }
.detail-carousel .carousel-track { display: flex; transition: transform .45s cubic-bezier(.22,.61,.36,1); }
.detail-carousel .carousel-slide { flex: 0 0 100%; min-width: 100%; width: 100%; min-height: 600px; margin-top: 0; object-fit: cover; display: block; }
.detail-carousel .carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; width: 46px; height: 46px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 999px; color: #0c2636; background: rgba(255,255,255,.9); box-shadow: 0 8px 22px rgba(0,0,0,.24); font-size: 30px; line-height: 1; cursor: pointer; opacity: 0; transition: opacity .2s, background .2s; }
.detail-carousel:hover .carousel-arrow, .detail-carousel .carousel-arrow:focus-visible { opacity: 1; }
.detail-carousel .carousel-arrow:hover { background: #fff; }
.detail-carousel .carousel-prev { left: 16px; }
.detail-carousel .carousel-next { right: 16px; }
.detail-carousel .carousel-dots { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 4; display: flex; gap: 8px; padding: 7px 12px; background: rgba(255,255,255,.72); border-radius: 999px; }
.detail-carousel .carousel-dot { width: 11px; height: 11px; padding: 0; border: 0; border-radius: 999px; background: rgba(12,38,54,.32); cursor: pointer; }
.detail-carousel .carousel-dot.active { background: #0c627f; }
.detail-placeholder { min-height: 600px; display: grid; place-items: center; padding: 32px; color: var(--muted); background: #e8e5df; text-align: center; }
.detail-copy h1 { margin-bottom: 20px; font-size: clamp(46px, 5vw, 76px); }
.detail-copy h2 { margin: 44px 0 14px; font-size: clamp(30px, 3vw, 42px); line-height: 1.05; }
.detail-copy .lead { color: var(--muted); font-size: 18px; }
.detail-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 28px 0; }
.detail-tags span { padding: 7px 10px; background: var(--ice); font-size: 11px; }
.spec-table { margin: 36px 0; border-top: 1px solid var(--line); }
.spec-row { display: grid; grid-template-columns: .42fr .58fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.spec-row b { font-size: 12px; }
.spec-row span { color: var(--muted); }
.detail-description { white-space: pre-line; color: #3f4e57; }
.detail-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.ghost-detail { color: var(--ink); background: transparent; border-color: #9aa7ad; }
.detail-footer { grid-template-columns: 1fr; }
.detail-footer > p { grid-column: 1; }

/* Server-rendered blog */
.blog-index { min-height: 70vh; }
.blog-hero { padding: clamp(75px, 9vw, 135px) max(5vw, calc((100vw - var(--max)) / 2)); color: white; background: linear-gradient(135deg, #102f43, var(--midnight)); }
.blog-hero h1 { max-width: 970px; margin: 0; font: 400 clamp(48px, 6vw, 88px)/1 Georgia, "Times New Roman", serif; letter-spacing: -.04em; }
.blog-hero > p:last-child { max-width: 720px; margin: 28px 0 0; color: #c4d4dc; font-size: 18px; }
.blog-grid { max-width: var(--max); margin: 0 auto; padding: clamp(70px, 8vw, 120px) 5vw; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.blog-card { min-width: 0; background: white; border: 1px solid var(--line); box-shadow: 0 10px 34px rgba(7,18,27,.05); }
.blog-card-image { display: block; height: 250px; overflow: hidden; background: #e8e5df; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card > div { padding: 28px; }
.blog-card h2 { margin: 8px 0 15px; font-size: 33px; line-height: 1.08; }
.blog-card h2 a { text-decoration: none; }
.blog-card p:not(.eyebrow) { color: var(--muted); }
.blog-empty { grid-column: 1 / -1; padding: 70px 30px; text-align: center; border: 1px dashed var(--line); }
.blog-empty h2 { margin: 0 0 12px; font-size: 42px; }
.blog-empty p { color: var(--muted); }
.blog-article { max-width: 1180px; min-height: 70vh; margin: 0 auto; padding: 65px 5vw 120px; }
.blog-featured { width: 100%; max-height: 660px; margin: 30px 0 65px; object-fit: cover; background: #e8e5df; }
.blog-article > article { max-width: 790px; margin: 0 auto; }
.blog-article h1 { margin: 0; font: 400 clamp(48px, 6vw, 78px)/1.02 Georgia, "Times New Roman", serif; letter-spacing: -.04em; }
.blog-lead { margin: 28px 0; color: var(--muted); font-size: 20px; }
.blog-content { margin: 38px 0; color: #34444d; font-size: 17px; line-height: 1.85; white-space: pre-wrap; }
.blog-content h2 { margin: 48px 0 16px; font-size: clamp(30px, 3.3vw, 44px); line-height: 1.08; }
.blog-content p { margin: 0 0 24px; }
.blog-content ul { padding-left: 24px; }
.faq-page { min-height: 72vh; }
.faq-page-list { max-width: 1050px; margin: 0 auto; padding: clamp(65px, 8vw, 115px) 5vw; }
.faq-page-item { padding: 0; border-top: 1px solid var(--line); }
.faq-page-item:last-of-type { border-bottom: 1px solid var(--line); }
.faq-page-item summary { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 25px 0; font: 27px/1.25 Georgia, serif; cursor: pointer; list-style: none; }
.faq-page-item summary::-webkit-details-marker { display: none; }
.faq-page-item summary:after { content: "+"; color: #2f7f9e; font: 300 28px sans-serif; transition: transform .2s; }
.faq-page-item[open] summary:after { transform: rotate(45deg); }
.faq-page-item p { max-width: 780px; margin: -2px 0 13px; color: var(--muted); font-size: 17px; }
.faq-page-item small { display: block; margin-bottom: 27px; color: #2f7f9e; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.faq-whatsapp { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 55px; padding: 32px; background: var(--ice); }
.faq-whatsapp h2 { font-size: clamp(28px, 4vw, 45px); }

@media (max-width: 1100px) {
  .site-header nav { display: none; }
  .menu-toggle { display: block; }
  .header-cta { display: none; }
  .site-header nav.open { position: absolute; display: grid; left: 0; right: 0; top: 100%; padding: 24px 5vw; background: var(--midnight); border-top: 1px solid #ffffff22; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-right: 8vw; }
  .hero-visual { min-height: 680px; }
  .hero-image-wrap { inset: 0 0 0 8vw; }
  .hero-note { bottom: 55px; }
  .products { grid-template-columns: repeat(2, 1fr); }
  .capabilities { grid-template-columns: 1fr; }
  .capability-image { min-height: 640px; }
  .trade-layout, .contact-section { grid-template-columns: 1fr; }
  .process-strip { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-image { position: static; }
  .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 88px; }
  .announcement { display: none; }
  .site-header { gap: 4px; padding: 8px 16px; }
  .brand { min-width: 0; }
  .brand img { width: 54px; height: 54px; }
  .brand span, .header-cta { display: none; }
  .menu-toggle { margin-left: 0; white-space: nowrap; }
  .language-toggle { min-height: 38px; padding: 6px 10px; }
  .language-toggle b { max-width: 62px; }
  .language-menu { position: fixed; left: 16px; right: 16px; top: 72px; width: auto; grid-template-columns: repeat(2, 1fr); }
  .site-header nav.open { top: 100%; }
  .hero { min-height: auto; }
  .hero-copy { padding: 70px 20px 60px; }
  .hero h1 { font-size: 50px; }
  .hero-metrics { grid-template-columns: 1fr; margin-top: 55px; }
  .hero-visual { min-height: 490px; }
  .hero-image-wrap { inset: 0; }
  .hero-note { left: 14px; right: 14px; bottom: 14px; min-width: 0; }
  .section { padding: 80px 20px; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; margin-bottom: 38px; }
  .section-heading h2, .capability-copy h2, .contact-section h2 { font-size: 43px; }
  .catalog-toolbar { align-items: stretch; flex-direction: column; }
  .catalog-search input { width: 100%; }
  .products { grid-template-columns: 1fr; }
  .product-media { height: 310px; }
  .catalog-footer { align-items: flex-start; flex-direction: column; gap: 16px; }
  .capability-image { min-height: 460px; }
  .capability-copy { padding: 70px 20px; }
  .trade-section { padding-left: 20px; padding-right: 20px; }
  .company-card { padding: 32px 24px; }
  .trade-grid, .process-strip { grid-template-columns: 1fr; }
  .process-strip div { min-height: 160px; }
  .contact-section { padding: 80px 20px; }
  .inquiry-form { grid-template-columns: 1fr; padding: 26px 20px; }
  .inquiry-form .full { grid-column: auto; }
  .form-action { align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 34px; padding: 50px 20px 110px; }
  footer > p { grid-column: auto; }
  .whatsapp-float { left: auto; right: 14px; bottom: 14px; width: 56px; height: 56px; }
  .wechat-float { left: auto; right: 16px; bottom: 82px; }
  .wechat-popup { left: auto; right: 14px; bottom: 146px; }
  .wechat-promo img { width: clamp(180px, 46vw, 240px); }
  .contact-body { grid-template-columns: 1fr; }
  .wechat-promo { margin-top: 26px; justify-items: start; text-align: left; }
  .detail-image img { min-height: 420px; }
  .detail-carousel .carousel-slide { min-height: 420px; }
  .spec-row { grid-template-columns: 1fr; gap: 4px; }
  .blog-hero { padding: 75px 20px; }
  .blog-grid { grid-template-columns: 1fr; padding: 65px 20px; }
  .blog-article { padding: 50px 20px 100px; }
  .blog-featured { margin-bottom: 42px; }
  .faq-page-list { padding: 60px 20px; }
  .faq-whatsapp { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { transition: none !important; }
  .whatsapp-float, .whatsapp-float:before { animation: none !important; }
}

/* Mobile polish */
@media (max-width: 720px) {
  .hero-copy { padding: 58px 20px 48px; }
  .hero h1 { font-size: 42px; }
  .hero-metrics dt { font-size: 24px; }
  .product-media { height: 280px; }
  .section, .about-section { padding-top: 54px; }
  .section-heading h2, .capability-copy h2, .contact-section h2 { font-size: 34px; }
  .about-hero-copy { padding: 56px 20px; }
  .about-hero-copy h1 { font-size: 42px; }
  .about-stats { padding: 30px 16px; gap: 14px; }
  .about-stats .stat { padding: 20px 12px; }
  .about-stats .stat b { font-size: 38px; }
  .about-gallery img { height: 200px; }
  .cert-card img { height: 240px; }
  .about-map iframe { height: 300px; }
  .detail-layout { gap: 24px; }
  .detail-copy h1 { font-size: 40px; }
  .blog-grid { gap: 18px; }
}

/* Homepage catalog + solutions modules */
.section-cream { background: #f5f1eb; color: #2b2620; }
.home-catalog, .home-solutions { max-width: none; margin: 0; }
.section-heading.center { grid-template-columns: 1fr; text-align: center; align-items: center; gap: 16px; max-width: 900px; margin: 0 auto 44px; }
.section-heading.center h2 { font-size: clamp(36px, 4.4vw, 58px); }
.section-heading.center > p { margin: 0 auto; max-width: 780px; font-size: 16px; }
.home-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: var(--max); margin: 0 auto; }
.home-sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; max-width: var(--max); margin: 0 auto; }
.cat-card, .sol-card { position: relative; display: block; overflow: hidden; border-radius: 6px; text-decoration: none; color: #fff; }
.cat-card { min-height: 300px; }
.sol-card { min-height: 360px; }
.cat-card img, .sol-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.cat-card:hover img, .sol-card:hover img { transform: scale(1.04); }
.cat-card::after, .sol-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 42%, rgba(0,0,0,.74)); }
.cat-overlay, .cat-sub, .sol-card > b, .sol-card > small { position: absolute; left: 24px; right: 24px; z-index: 1; }
.cat-overlay { bottom: 56px; font: 400 26px/1.15 Georgia, serif; }
.cat-sub { bottom: 26px; color: rgba(255,255,255,.9); font-size: 13px; }
.sol-tag { position: absolute; left: 18px; top: 18px; z-index: 1; padding: 5px 11px; color: #2b2620; background: #e8cfa2; border-radius: 3px; font-size: 11px; font-weight: 700; }
.sol-card > b { bottom: 62px; font: 400 24px/1.15 Georgia, serif; }
.sol-card > small { bottom: 32px; color: rgba(255,255,255,.9); font-size: 13px; }
.home-sol-cta { display: flex; justify-content: center; margin-top: 42px; }
.home-view-all { display: flex; justify-content: center; margin-top: 38px; }
.products-index { max-width: var(--max); margin: 0 auto; padding: 60px 5vw 120px; }
.products-index-head { text-align: center; max-width: 920px; margin: 0 auto 50px; }
.products-index-head h1 { font: 400 clamp(42px, 5vw, 68px)/1.02 Georgia, serif; }
.products-index-head p { color: var(--muted); font-size: 17px; margin-top: 18px; }
.products-index .products { padding-top: 0; }
.related-products { max-width: var(--max); margin: 0 auto; padding: 60px 5vw 90px; }
.related-products h2 { font-size: clamp(30px, 3.4vw, 46px); }
.related-products .products { margin-top: 30px; }
.products-header .header-socials { display: flex; }
.site-header-nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 2.4vw, 38px); padding: 6px 0 2px; }
.site-header-nav a { color: #d4e0e6; text-decoration: none; font-size: 13px; white-space: nowrap; }
.site-header-nav a:hover { color: #fff; }
.products-toolbar { margin-top: 10px; }
.products-empty { padding: 46px; color: var(--muted); border: 1px dashed var(--line); text-align: center; }
@media (max-width: 720px) {
  .site-header-nav { flex-wrap: wrap; gap: 8px 16px; }
}
@media (max-width: 900px) {
  .home-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .home-sol-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .home-cat-grid, .home-sol-grid { grid-template-columns: 1fr; }
  .cat-card { min-height: 260px; }
  .sol-card { min-height: 300px; }
}

/* About Us page + homepage about panel */
.about-page, .about-panel { background: var(--paper); }
.about-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); color: white; background: linear-gradient(135deg, #102f43, var(--midnight)); }
.about-hero-copy { padding: clamp(70px, 8vw, 130px) clamp(30px, 5vw, 80px) clamp(70px, 8vw, 130px) max(5vw, calc((100vw - var(--max)) / 2)); align-self: center; }
.about-hero-copy h1 { margin: 0; font: 400 clamp(46px, 5.4vw, 84px)/1 Georgia, serif; letter-spacing: -.04em; }
.about-hero-copy p:not(.eyebrow) { max-width: 620px; margin: 26px 0 34px; color: #c4d4dc; font-size: 18px; }
.about-hero-media { min-height: 520px; background: #0a1c27; }
.about-hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: var(--max); margin: 0 auto; padding: 44px 5vw; }
.about-stats .stat { text-align: center; padding: 26px 18px; background: #fff; border: 1px solid #dedbd5; }
.about-stats .stat b { display: block; font: 54px/1 Georgia, serif; color: #287796; }
.about-stats .stat span { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.about-section { padding-top: 60px; padding-bottom: 20px; max-width: var(--max); margin: 0 auto; }
.about-section + .about-section { padding-top: 20px; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.about-grid.two { grid-template-columns: repeat(2, 1fr); }
.about-card { padding: 26px; background: #fff; border: 1px solid #dedbd5; }
.about-card span { color: #287796; font-size: 12px; letter-spacing: .14em; }
.about-card h3 { margin: 12px 0 10px; font: 27px/1.2 Georgia, serif; color: var(--midnight); }
.about-card p { margin: 0; color: var(--muted); }
.about-grid, .about-why { margin-top: 30px; }
.about-why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.why-item { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 18px; background: #fff; border: 1px solid #dedbd5; }
.why-item span { color: #287796; font-weight: 800; }
.why-item p { margin: 0; color: #3f4e57; }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 22px; }
.about-values > div { padding: 22px 26px; background: #eaf4f8; border: 1px solid #d4e6ee; }
.about-values b { display: block; margin-bottom: 14px; color: var(--midnight); }
.about-values span { display: block; padding: 6px 0; color: #1d3f50; font-weight: 600; }
.about-gallery-wrap { max-width: var(--max); margin: 0 auto; padding: 40px 5vw 10px; }
.about-gallery-heading { margin-bottom: 30px; }
.about-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.about-gallery figure { margin: 0; background: #fff; border: 1px solid #dedbd5; }
.about-gallery img { width: 100%; height: 230px; object-fit: cover; display: block; }
.about-gallery figcaption { padding: 12px 16px; color: var(--muted); font-size: 13px; }
.about-certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.cert-card { display: block; padding: 14px; background: #fff; border: 1px solid #dedbd5; text-decoration: none; }
.cert-card img { width: 100%; height: 320px; object-fit: contain; object-position: top; background: #fff; display: block; }
.cert-card b { display: block; margin: 14px 0 4px; color: var(--midnight); font-size: 15px; }
.cert-card small { color: var(--muted); }
.about-fact { margin: 0 0 14px; color: var(--muted); font-size: 16px; }
.about-fact b { color: var(--midnight); }
.about-map { margin-top: 26px; overflow: hidden; border: 1px solid #dedbd5; background: #e8e5df; }
.about-map iframe { width: 100%; height: 420px; display: block; border: 0; }
.about-cta { display: grid; grid-template-columns: minmax(0, 1.5fr) auto; gap: 40px; align-items: center; padding: clamp(60px, 7vw, 100px) max(5vw, calc((100vw - var(--max)) / 2)); color: #fff; background: linear-gradient(135deg, #102f43, var(--midnight)); }
.about-cta h2 { margin: 0 0 16px; font: 400 clamp(34px, 4vw, 56px)/1.05 Georgia, serif; }
.about-cta p { margin: 0; color: #c4d4dc; max-width: 640px; }
.about-socials { display: flex; gap: 16px; flex-wrap: wrap; }
.about-socials a { color: #287796; }
@media (max-width: 900px) {
  .about-hero { grid-template-columns: 1fr; }
  .about-hero-media { min-height: 360px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .about-grid.two { grid-template-columns: 1fr; }
  .about-why, .about-gallery { grid-template-columns: 1fr; }
  .about-certs { grid-template-columns: 1fr 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .about-cta { grid-template-columns: 1fr; }
}

/* Switchable homepage panels */
.panel { display: none; }
.panel.active { display: block; }
.header-socials { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.social-pill { display: grid; place-items: center; width: 30px; height: 30px; color: var(--ice-strong); border: 1px solid #ffffff2e; border-radius: 50%; text-decoration: none; transition: color .2s, background .2s; }
.social-pill svg { width: 16px; height: 16px; display: block; fill: currentColor; }
.social-pill:hover { color: #fff; background: #ffffff1f; }
.social-pill.social-xhs { width: auto; padding: 0 8px; border-radius: 6px; background: #ff2442; border-color: #ff2442; color: #fff; }
.social-xhs .social-brand { font-size: 9px; font-weight: 700; white-space: nowrap; }
.site-header nav a.active, footer a.active { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 1100px) {
  .header-socials { display: none; }
}
@media (max-width: 640px) {
  .social-pill { width: 28px; height: 28px; }
}