:root {
  --red: #c60c12;
  --red-dark: #9d070b;
  --ink: #17191c;
  --ink-soft: #4e535b;
  --line: #e4e5e7;
  --paper: #ffffff;
  --muted: #f5f5f3;
  --warm: #f2efea;
  --shell: min(1200px, calc(100vw - 48px));
  --shadow: 0 22px 60px rgba(23, 25, 28, 0.1);
  --radius: 5px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::selection { color: white; background: var(--red); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.24; letter-spacing: -0.03em; }
h1 { font-size: clamp(2.35rem, 5vw, 4.9rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); }
h3 { font-size: 1.2rem; }
.shell { width: var(--shell); margin-inline: auto; }
.narrow { max-width: 930px; }
.muted { color: #72767d; }
.center { margin-top: 42px; text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 16px; color: white; background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: relative; z-index: 100; background: rgba(255,255,255,.98); border-bottom: 1px solid rgba(0,0,0,.07); }
.topbar { color: #d8dadd; background: var(--ink); font-size: 13px; }
.topbar-inner { display: flex; justify-content: flex-end; align-items: center; min-height: 34px; }
.topbar a:hover { color: white; }
.header-inner { display: flex; align-items: center; min-height: 88px; gap: 30px; }
.brand { flex: 0 0 auto; }
.brand img { width: 238px; height: auto; }
.site-nav { display: flex; justify-content: center; align-items: stretch; gap: 3px; margin-left: auto; }
.site-nav a { position: relative; display: grid; place-items: center; min-height: 88px; padding: 0 12px; color: #30343a; font-size: 15px; font-weight: 600; white-space: nowrap; }
.site-nav a::after { content: ""; position: absolute; right: 12px; bottom: 21px; left: 12px; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); transform-origin: left; }
.site-nav a.active { color: var(--red); }
.header-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 19px; color: white; background: var(--red); font-size: 14px; font-weight: 700; white-space: nowrap; transition: background .2s, transform .2s; }
.header-cta:hover { background: var(--red-dark); transform: translateY(-1px); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; background: transparent; }
.nav-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--ink); }

.eyebrow { margin-bottom: 12px; color: var(--red); font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.button-row { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 25px; border: 1px solid var(--red); color: white; background: var(--red); font-weight: 700; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { color: white; background: var(--red-dark); border-color: var(--red-dark); transform: translateY(-2px); }
.button-outline { color: white; background: transparent; border-color: rgba(255,255,255,.7); }
.button-outline:hover { color: var(--ink); background: white; border-color: white; }
.button-outline-dark { color: var(--ink); background: transparent; border-color: #aeb2b8; }
.button-outline-dark:hover { color: white; background: var(--ink); border-color: var(--ink); }
.button-dark { background: var(--ink); border-color: var(--ink); }
.button-dark:hover { background: #000; border-color: #000; }
.button-light { color: var(--red); background: white; border-color: white; }
.button-light:hover { color: white; background: var(--ink); border-color: var(--ink); }
.text-link { color: var(--red); font-weight: 700; }
.text-link span { transition: margin-left .2s; }
.text-link:hover span { margin-left: 5px; }

.home-hero { position: relative; overflow: hidden; color: white; background: var(--ink); }
.home-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(198,12,18,.21), transparent 47%), repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0, rgba(255,255,255,.018) 1px, transparent 1px, transparent 80px); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); align-items: center; min-height: 680px; }
.hero-copy { z-index: 1; padding: 82px 60px 78px 0; }
.hero-copy h1 { margin-bottom: 24px; font-weight: 800; letter-spacing: -.055em; }
.hero-copy h1 span { color: #f04b4f; }
.hero-lead { max-width: 690px; color: #d1d4d8; font-size: 1.13rem; }
.hero-visual { align-self: stretch; position: relative; min-height: 560px; margin-right: calc((100vw - min(1200px, calc(100vw - 48px))) / -2); overflow: hidden; }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink) 0%, transparent 34%), linear-gradient(0deg, rgba(0,0,0,.45), transparent 45%); }
.hero-visual > img { width: 100%; height: 100%; object-fit: cover; }
.hero-note { position: absolute; z-index: 2; right: 48px; bottom: 42px; left: 25%; padding: 20px 23px; border-left: 3px solid var(--red); background: rgba(17,19,22,.82); backdrop-filter: blur(9px); }
.hero-note strong, .hero-note span { display: block; }
.hero-note span { margin-top: 3px; color: #c9cbd0; font-size: 13px; }
.hero-credentials { position: relative; z-index: 3; display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-top: 30px; }
.hero-credentials a { display: grid; grid-template-columns: 58px 1fr; align-items: center; gap: 13px; min-height: 98px; padding: 15px; color: white; border: 1px solid rgba(255,255,255,.22); background: rgba(18,20,23,.87); box-shadow: 0 14px 35px rgba(0,0,0,.16); backdrop-filter: blur(10px); transition: border-color .2s, transform .2s, background .2s; }
.hero-credentials a:first-child { border-top: 2px solid #db353a; }
.hero-credentials a:last-child { border-top: 2px solid #d7a649; }
.hero-credentials a:hover { color: white; border-color: rgba(255,255,255,.5); background: rgba(18,20,23,.95); transform: translateY(-3px); }
.hero-credentials img { width: 58px; height: 58px; }
.hero-credentials small, .hero-credentials strong { display: block; }
.hero-credentials small { margin-bottom: 5px; color: #aeb2b8; font-size: 11px; letter-spacing: .12em; }
.hero-credentials strong { font-size: 14px; line-height: 1.45; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 38px; margin: 48px 0 0; }
.hero-facts div { min-width: 105px; }
.hero-facts dt { font-size: 1.5rem; font-weight: 800; line-height: 1.1; }
.hero-facts dt span { margin-left: 2px; font-size: .75rem; font-weight: 600; }
.hero-facts dd { margin: 8px 0 0; color: #999ea6; font-size: 13px; }
.trust-strip { border-bottom: 1px solid var(--line); background: white; }
.trust-strip .shell { display: grid; grid-template-columns: repeat(5, 1fr); }
.trust-strip span { padding: 20px 12px; border-right: 1px solid var(--line); color: #555b63; text-align: center; font-size: 14px; font-weight: 700; }
.trust-strip span:first-child { border-left: 1px solid var(--line); }

.section { padding: 92px 0; }
.section-muted { background: var(--muted); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 42px; }
.section-heading h2 { max-width: 720px; margin-bottom: 0; }
.section-heading > p { max-width: 490px; margin-bottom: 3px; color: var(--ink-soft); }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.category-card { position: relative; min-height: 315px; padding: 34px 34px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; transition: color .25s, background .25s, transform .25s; }
.category-card::before { content: ""; position: absolute; inset: auto -30% -70% 30%; height: 230px; border: 45px solid rgba(198,12,18,.07); border-radius: 50%; transition: transform .35s; }
.category-card:hover { z-index: 2; color: white; background: var(--ink); transform: translateY(-5px); box-shadow: var(--shadow); }
.category-card:hover::before { transform: scale(1.3); border-color: rgba(255,255,255,.06); }
.category-number { display: block; margin-bottom: 54px; color: var(--red); font-size: .74rem; font-weight: 800; letter-spacing: .15em; }
.category-card h3 { font-size: 1.5rem; }
.category-card p { position: relative; min-height: 82px; color: #6b7078; font-size: 14px; }
.category-card:hover p { color: #c9cbd0; }
.category-card .text-link { position: relative; font-size: 14px; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; }
.product-card { min-width: 0; background: white; border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-image { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: #ececea; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.product-card:hover .card-image img { transform: scale(1.035); }
.card-body { padding: 25px; }
.card-kicker { margin-bottom: 8px; color: var(--red); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.card-body h3 { min-height: 2.5em; margin-bottom: 13px; font-size: 1.17rem; }
.card-body h3 a:hover { color: var(--red); }
.card-body > p:not(.card-kicker) { min-height: 4.9em; color: #646970; font-size: 14px; }
.card-body .text-link { font-size: 13px; }

.catalog-browser { display: grid; grid-template-columns: minmax(230px, 300px) minmax(0, 1fr); gap: 34px; align-items: start; }
.catalog-series { position: sticky; top: 24px; overflow: hidden; background: #c52c2b; }
.catalog-series-tab { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 76px; padding: 18px 24px; border-bottom: 2px solid rgba(255,255,255,.78); color: white; font-size: 1.02rem; font-weight: 700; transition: background .2s, padding .2s; }
.catalog-series-tab:last-child { border-bottom: 0; }
.catalog-series-tab:hover, .catalog-series-tab:focus-visible, .catalog-series-tab.is-active { padding-left: 30px; background: #9f201d; }
.catalog-series-tab > span:last-child { flex: none; font-size: 1.45rem; font-weight: 400; }
.catalog-results { min-width: 0; }
.catalog-panel-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; min-height: 76px; padding-bottom: 17px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }
.catalog-panel-head p { margin: 0 0 4px; color: var(--red); font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.catalog-panel-head h3 { margin: 0; font-size: 1.55rem; }
.catalog-panel-head > a { flex: none; color: var(--red); font-size: 13px; font-weight: 800; }
.catalog-products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px 20px; }
.narrow .catalog-products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.catalog-product-card { min-width: 0; }
.catalog-product-card > a { display: block; height: 100%; }
.catalog-product-image { display: block; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--line); background: white; }
.catalog-product-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.catalog-product-card h4 { margin: 14px 6px 0; font-size: 1rem; line-height: 1.45; text-align: center; transition: color .2s; }
.catalog-product-card a:hover .catalog-product-image img { transform: scale(1.035); }
.catalog-product-card a:hover h4 { color: var(--red); }

.split { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 85px; }
.split-copy h2 { margin-bottom: 22px; }
.split-copy > p { color: var(--ink-soft); }
.check-list { padding: 0; margin: 30px 0; list-style: none; }
.check-list li { position: relative; margin: 11px 0; padding-left: 29px; }
.check-list li::before { content: ""; position: absolute; top: .56em; left: 0; width: 13px; height: 7px; border-bottom: 2px solid var(--red); border-left: 2px solid var(--red); transform: rotate(-45deg); }
.image-stack { position: relative; padding: 0 0 76px 76px; }
.image-stack > img:first-child { width: 100%; min-height: 450px; object-fit: cover; box-shadow: var(--shadow); }
.image-stack > img:last-child { position: absolute; bottom: 0; left: 0; width: 45%; aspect-ratio: 4 / 3; object-fit: cover; border: 10px solid white; }
.service-process-home { background: #f4f5f7; }
.process-heading { align-items: center; }
.service-process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding: 0; margin: 0; list-style: none; counter-reset: service-step; }
.service-process-grid li { min-width: 0; }
.service-process-grid article { position: relative; height: 100%; min-height: 255px; padding: 27px 26px; overflow: hidden; border: 1px solid #e2e4e8; background: white; transition: border-color .22s, transform .22s, box-shadow .22s; }
.service-process-grid article::after { content: ""; position: absolute; right: -46px; bottom: -46px; width: 112px; height: 112px; border: 20px solid rgba(198,12,18,.045); border-radius: 50%; }
.service-process-grid article:hover { border-color: #d2a6a8; box-shadow: 0 16px 35px rgba(23,25,28,.08); transform: translateY(-4px); }
.process-card-head { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; margin-bottom: 31px; }
.process-number { color: transparent; font-size: 2rem; font-weight: 800; line-height: 1; -webkit-text-stroke: 1px #89919b; }
.process-card-head svg { width: 31px; height: 31px; fill: none; stroke: var(--red); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-process-grid h3 { position: relative; z-index: 1; margin-bottom: 12px; font-size: 1.08rem; }
.service-process-grid p { position: relative; z-index: 1; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.process-action { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 26px 30px; margin-top: 18px; color: #d8dadd; background: #22252a; }
.process-action p { margin: 0; }
.process-action strong { color: white; }
.process-action .button { flex: none; }
.strength-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.strength-grid article { min-height: 250px; padding: 30px 25px; border-right: 1px solid var(--line); }
.strength-grid article:last-child { border: 0; }
.strength-grid span { color: var(--red); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.strength-grid h3 { margin: 60px 0 13px; }
.strength-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.home-partners { background: #f6f6f3; }
.home-partner-wall { overflow: hidden; border: 1px solid #e0e0db; background: white; }
.home-partner-wall img { display: block; width: 100%; height: auto; }
.partner-home-footer { display: flex; justify-content: space-between; align-items: center; gap: 35px; margin-top: 24px; }
.partner-home-footer p { max-width: 760px; margin: 0; color: #767b82; font-size: 13px; }
.partner-home-footer a { flex: none; }
.partner-home-footer-links-only { justify-content: flex-end; }
.section-faq { color: white; background: #202327; }
.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }
.faq-grid > div:first-child > p:last-child { color: #b5b8bd; }
.faq-list { border-top: 1px solid #45484d; }
.faq-list details { border-bottom: 1px solid #45484d; }
.faq-list summary { position: relative; padding: 24px 50px 24px 0; cursor: pointer; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 20px; right: 5px; color: #ef777a; font-size: 1.5rem; font-weight: 300; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { padding-right: 50px; color: #b5b8bd; }
.cta-band { color: white; background: var(--red); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; min-height: 260px; padding-top: 45px; padding-bottom: 45px; }
.cta-inner .eyebrow { color: #ffd1d2; }
.cta-inner h2 { max-width: 760px; margin-bottom: 12px; }
.cta-inner p:last-child { margin-bottom: 0; color: #ffd7d8; }

.page-hero { position: relative; overflow: hidden; min-height: 330px; padding: 78px 0; color: white; background: #202327; }
.page-hero::after { content: "GH"; position: absolute; right: 3vw; bottom: -105px; color: rgba(255,255,255,.025); font-size: 20rem; font-weight: 900; line-height: 1; pointer-events: none; }
.page-hero-image { min-height: 430px; background-image: linear-gradient(90deg, rgba(17,19,22,.96) 0%, rgba(17,19,22,.74) 48%, rgba(17,19,22,.22) 100%), var(--hero-image); background-position: center; background-size: cover; }
.image-only-page-hero::after { display: none; }
.products-page-hero { background-color: white; background-image: url('/media/page-heroes/products-full.webp'); background-position: center; background-size: contain; background-repeat: no-repeat; }
.solutions-page-hero { background-image: url('/media/page-heroes/solutions-cleanroom-focus.webp'); background-position: center top; }
.about-page-hero { background-image: url('/media/page-heroes/about.webp'); background-position: center 60%; }
.factory-page-hero { background-image: url('/media/page-heroes/factory.webp'); background-position: center; }
.news-page-hero { background-image: url('/media/page-heroes/news.webp'); background-position: center 52%; }
.contact-page-hero { background-image: url('/media/page-heroes/contact.webp'); background-position: center 52%; }
.honors-page-hero { background-image: url('/media/company/honor-wall.webp'); background-position: center 46%; }
.honors-page-hero::after { display: none; }
.page-hero .shell { position: relative; z-index: 1; }
.page-hero h1 { max-width: 850px; margin-bottom: 20px; font-size: clamp(2.35rem, 4.4vw, 4.4rem); }
.page-hero p:last-child { max-width: 760px; margin-bottom: 0; color: #c8cbd0; font-size: 1.07rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; margin: -53px 0 55px; padding: 13px 16px; color: #81858c; background: white; border: 1px solid var(--line); font-size: 13px; }
.breadcrumbs a:hover { color: var(--red); }
.breadcrumbs span[aria-current] { color: var(--ink); }

.category-list { border-top: 1px solid var(--line); }
.category-list article { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 50px; padding: 35px 20px; border-bottom: 1px solid var(--line); transition: background .2s, padding .2s; }
.category-list article:hover { padding-inline: 30px; background: var(--muted); }
.category-list h2 { margin-bottom: 10px; font-size: 1.65rem; }
.category-list h2 a:hover { color: var(--red); }
.category-list p:not(.eyebrow) { max-width: 850px; margin-bottom: 0; color: var(--ink-soft); }
.category-list .eyebrow { margin-bottom: 6px; }
.round-link { display: grid; place-items: center; width: 50px; height: 50px; color: var(--red); border: 1px solid #d8dadd; border-radius: 50%; font-size: 1.3rem; transition: color .2s, background .2s; }
.round-link:hover { color: white; background: var(--red); border-color: var(--red); }
.result-head { display: flex; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.result-head a { color: var(--red); font-weight: 700; }

.product-hero { padding: 50px 0 76px; background: var(--muted); }
.product-hero .breadcrumbs { margin: 0 0 36px; }
.product-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr); gap: 65px; align-items: center; }
.product-main-image { aspect-ratio: 4 / 3; overflow: hidden; background: white; box-shadow: 0 12px 35px rgba(0,0,0,.08); }
.product-main-image img { width: 100%; height: 100%; object-fit: contain; }
.product-main-image.is-placeholder img { object-fit: cover; }
.product-gallery { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 10px; }
.product-gallery a { aspect-ratio: 1; overflow: hidden; border: 1px solid #d9dbdd; background: white; }
.product-gallery a:hover { border-color: var(--red); }
.product-gallery img { width: 100%; height: 100%; object-fit: cover; }
.product-images-section { border-top: 1px solid var(--line); }
.product-gallery-full { columns: 4 230px; column-gap: 16px; }
.product-gallery-full a { display: block; break-inside: avoid; padding: 8px; margin: 0 0 16px; border: 1px solid #dedfdf; background: white; }
.product-gallery-full a:hover { border-color: var(--red); }
.product-gallery-full img { display: block; width: 100%; height: auto; max-height: 520px; margin: auto; object-fit: contain; }
.product-summary h1 { margin-bottom: 22px; font-size: clamp(2rem, 3.5vw, 3.5rem); }
.product-summary .lead { color: #535960; font-size: 1.04rem; }
.product-summary dl { margin: 28px 0; border-top: 1px solid #d5d7d9; }
.product-summary dl div { display: grid; grid-template-columns: 105px 1fr; padding: 11px 0; border-bottom: 1px solid #d5d7d9; font-size: 14px; }
.product-summary dt { color: #7b8087; }
.product-summary dd { margin: 0; font-weight: 600; }
.product-note { margin-top: 19px; color: #747980; font-size: 12px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 315px; align-items: start; gap: 70px; }
.content-heading { padding-bottom: 18px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.content-heading h2 { margin-bottom: 0; }
.legacy-content { min-width: 0; color: #3e434a; }
.legacy-content > * { max-width: 100%; }
.legacy-content h2, .legacy-content h3, .legacy-content h4 { margin: 1.7em 0 .7em; color: var(--ink); }
.legacy-content p { margin-bottom: 1.05em; }
.legacy-content img { width: auto; height: auto; margin: 25px auto; }
.legacy-content table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.legacy-content th, .legacy-content td { padding: 10px 13px; border: 1px solid #d7d9dc; }
.legacy-content blockquote { margin: 25px 0; padding: 18px 24px; border-left: 3px solid var(--red); background: var(--muted); }
.detail-aside { position: sticky; top: 24px; padding: 28px; background: #202327; color: white; }
.detail-aside h2 { font-size: 1.3rem; }
.detail-aside .check-list { color: #c9cbd0; font-size: 14px; }
.empty-detail { padding: 30px; background: var(--muted); }

.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.solution-grid > a { min-height: 290px; padding: 35px; border: 1px solid var(--line); background: linear-gradient(145deg, white 70%, #f5f2ee 70%); transition: color .2s, background .2s, transform .2s; }
.solution-grid > a:hover { color: white; background: var(--ink); transform: translateY(-5px); }
.solution-grid span { color: var(--red); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.solution-grid h2 { max-width: 500px; margin: 43px 0 13px; font-size: 1.6rem; }
.solution-grid p { max-width: 550px; color: #646970; }
.solution-grid a:hover p { color: #bec1c6; }
.answer-box { padding: 35px; margin-bottom: 45px; border-left: 4px solid var(--red); background: var(--muted); }
.answer-box h2 { font-size: 1.45rem; }
.answer-box p { margin: 0; color: var(--ink-soft); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 60px; border: 1px solid var(--line); }
.process-steps article { min-height: 240px; padding: 25px 20px; border-right: 1px solid var(--line); }
.process-steps article:last-child { border: 0; }
.process-steps span { color: var(--red); font-size: .75rem; font-weight: 800; }
.process-steps h3 { margin-top: 55px; }
.process-steps p { color: var(--ink-soft); font-size: 14px; }
.subheading { margin: 55px 0 25px; font-size: 1.7rem; }
.link-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.link-cards a { display: flex; justify-content: space-between; gap: 20px; padding: 20px; border: 1px solid var(--line); }
.link-cards a:hover { border-color: var(--red); }
.link-cards span { color: #7b8087; font-size: 13px; }
.notice { margin-top: 40px; padding: 20px 23px; color: #5c4c39; background: #f8f1e8; border: 1px solid #ecdfce; font-size: 14px; }
.notice-top { margin: 0 0 35px; }

.about-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr); gap: 90px; }
.about-grid > div > p:not(.eyebrow) { color: var(--ink-soft); }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; align-self: start; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.about-facts div { min-height: 150px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-facts strong, .about-facts span { display: block; }
.about-facts strong { color: var(--red); font-size: 1.55rem; }
.about-facts span { margin-top: 37px; color: #666b72; font-size: 13px; }
.capability-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.capability-grid article { min-height: 185px; padding: 25px; border: 1px solid var(--line); border-right: 0; background: white; }
.capability-grid article:last-child { border-right: 1px solid var(--line); }
.capability-grid span { color: var(--red); font-size: 12px; font-weight: 800; }
.capability-grid h3 { margin-top: 50px; font-size: 1rem; }
.about-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 35px; margin-top: 40px; }
.about-links a { color: var(--red); font-weight: 700; }
.timeline { position: relative; }
.timeline::before { content: ""; position: absolute; top: 10px; bottom: 30px; left: 73px; width: 1px; background: #d9dbde; }
.timeline article { position: relative; display: grid; grid-template-columns: 145px 1fr; gap: 35px; padding-bottom: 46px; }
.timeline article::before { content: ""; position: absolute; top: 8px; left: 67px; width: 13px; height: 13px; border: 3px solid white; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 1px var(--red); }
.timeline-year { color: var(--red); font-size: 1.25rem; font-weight: 800; }
.timeline h2 { margin-bottom: 10px; font-size: 1.4rem; }
.timeline p { color: var(--ink-soft); }
.culture-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.culture-grid article { min-height: 250px; padding: 35px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.culture-grid h2 { color: var(--red); font-size: 1.5rem; }
.culture-grid p { margin-top: 55px; color: var(--ink-soft); }

.gallery-grid { columns: 3 300px; column-gap: 20px; }
.gallery-grid figure { break-inside: avoid; margin: 0 0 20px; border: 1px solid var(--line); background: white; }
.gallery-grid a { display: block; overflow: hidden; }
.gallery-grid img { width: 100%; height: auto; transition: transform .4s; }
.gallery-grid figure:hover img { transform: scale(1.025); }
.gallery-grid figcaption { padding: 12px 15px; color: #5d6269; font-size: 13px; }
.honor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.honor-grid article { display: grid; grid-template-columns: 200px 1fr; gap: 28px; padding: 25px; border: 1px solid var(--line); }
.certificate-image { display: grid; place-items: center; min-height: 230px; overflow: hidden; background: #f0f0ee; }
.certificate-image img { width: 100%; height: 230px; object-fit: contain; }
.honor-grid .status { color: var(--red); font-size: 12px; font-weight: 800; }
.honor-grid h2 { font-size: 1.3rem; }
.honor-grid article > div > p:not(.status) { color: var(--ink-soft); font-size: 14px; }

.article-list { display: grid; gap: 18px; }
.article-card { display: grid; grid-template-columns: 125px 1.1fr 1fr 110px; align-items: center; gap: 30px; padding: 28px 10px; border-bottom: 1px solid var(--line); }
.article-card > p { margin: 0; color: #8a8e94; font-size: 13px; }
.article-card h2 { margin: 0; font-size: 1.25rem; }
.article-card h2 a:hover { color: var(--red); }
.article-card > div { color: var(--ink-soft); font-size: 14px; }
.article-card .text-link { text-align: right; font-size: 13px; }
.article-shell { max-width: 900px; }
.article-meta { margin-bottom: 30px; color: #858990; font-size: 13px; }
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.partner-grid a { display: grid; place-items: center; min-height: 105px; padding: 20px; border: 1px solid var(--line); text-align: center; font-weight: 700; }
.partner-grid a:hover { color: var(--red); border-color: var(--red); }
.video-index { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.video-index article { min-height: 180px; padding: 24px; border: 1px solid var(--line); }
.video-index p { color: var(--red); font-size: 12px; font-weight: 800; }
.video-index h2 { font-size: 1.15rem; }
.video-index a { color: var(--red); font-size: 13px; font-weight: 700; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.contact-card, .requirement-card { padding: 40px; border: 1px solid var(--line); }
.contact-card { color: white; background: #202327; border-color: #202327; }
.contact-card dl { margin: 34px 0; }
.contact-card dl div { display: grid; grid-template-columns: 95px 1fr; gap: 15px; padding: 12px 0; border-bottom: 1px solid #42454a; }
.contact-card dt { color: #9da1a8; }
.contact-card dd { margin: 0; }
.contact-card dd a:hover { color: #f57478; }
.requirement-card ol { padding-left: 22px; }
.requirement-card li { margin: 14px 0; }
.sales-wechat { display: grid; grid-template-columns: minmax(240px, 340px) 1fr; align-items: center; gap: 55px; padding: 38px; margin-top: 28px; border: 1px solid var(--line); background: var(--muted); }
.sales-wechat-image { padding: 12px; border: 1px solid #d9d9d4; background: white; }
.sales-wechat-image img { display: block; width: 100%; height: auto; }
.sales-wechat h2 { max-width: 620px; }
.sales-wechat > div:last-child > p:not(.eyebrow) { max-width: 680px; color: var(--ink-soft); }
.sales-wechat a { color: var(--red); font-weight: 700; }
.address-photo { position: relative; grid-column: 1 / -1; margin-top: 20px; height: 460px; overflow: hidden; }
.address-photo img { width: 100%; height: 100%; object-fit: cover; }
.address-photo > div { position: absolute; right: 25px; bottom: 25px; max-width: 520px; padding: 22px 26px; color: white; background: rgba(23,25,28,.9); }
.address-photo strong, .address-photo span { display: block; }
.address-photo span { margin-top: 5px; color: #d3d5d9; font-size: 14px; }

.site-footer { padding-top: 68px; color: #c4c7cb; background: #17191c; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr 1fr; gap: 75px; padding-bottom: 54px; }
.footer-logo { width: 230px; padding: 8px; background: white; }
.footer-grid > div:first-child > p { margin: 20px 0 4px; }
.footer-grid h2 { margin-bottom: 20px; color: white; font-size: 1rem; }
.footer-grid div:nth-child(2) a { display: block; margin: 6px 0; }
.footer-grid a:hover { color: white; }
.footer-grid p { margin-bottom: 8px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding: 20px 0; border-top: 1px solid #34373b; color: #7f8389; font-size: 12px; }
.mobile-actions { display: none; }

@media (max-width: 1120px) {
  .header-inner { gap: 15px; }
  .brand img { width: 190px; }
  .site-nav a { padding-inline: 8px; font-size: 14px; }
  .header-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .strength-grid { grid-template-columns: 1fr 1fr; }
  .strength-grid article:nth-child(2) { border-right: 0; }
  .strength-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .capability-grid { grid-template-columns: repeat(3, 1fr); }
  .capability-grid article { border-bottom: 0; }
  .capability-grid article:nth-child(3) { border-right: 1px solid var(--line); }
  .capability-grid article:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .honor-grid article { grid-template-columns: 150px 1fr; }
  .article-card { grid-template-columns: 100px 1fr 1fr; }
  .article-card .text-link { display: none; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 760px); }
  .topbar { display: none; }
  .header-inner { min-height: 72px; }
  .brand img { width: 176px; }
  .nav-toggle { display: block; margin-left: auto; }
  .site-nav { position: absolute; top: 72px; right: 0; left: 0; display: none; flex-direction: column; gap: 0; padding: 8px 18px 18px; background: white; border-top: 1px solid var(--line); box-shadow: 0 18px 35px rgba(0,0,0,.12); }
  .site-nav.open { display: flex; }
  .site-nav a { display: flex; min-height: 48px; padding: 0 10px; border-bottom: 1px solid #eee; }
  .site-nav a::after { display: none; }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding: 72px 0 50px; }
  .hero-visual { min-height: 430px; margin: 0 calc((100vw - min(100% - 36px, 760px)) / -2); }
  .hero-visual::after { background: linear-gradient(0deg, rgba(0,0,0,.55), transparent 50%); }
  .hero-note { right: 40px; left: 40px; }
  .hero-credentials { margin-top: 30px; }
  .trust-strip .shell { grid-template-columns: repeat(3, 1fr); }
  .trust-strip span:nth-child(4), .trust-strip span:nth-child(5) { display: none; }
  .category-grid, .product-grid { grid-template-columns: 1fr 1fr; }
  .catalog-browser { grid-template-columns: 220px minmax(0, 1fr); gap: 24px; }
  .catalog-products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; gap: 50px; }
  .faq-grid { grid-template-columns: 1fr; gap: 35px; }
  .product-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .solution-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps article:nth-child(2) { border-right: 0; }
  .process-steps article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .service-process-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 45px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-grid article:nth-child(3) { border-right: 0; }
  .capability-grid article:nth-child(even) { border-right: 1px solid var(--line); }
  .capability-grid article:last-child { grid-column: 1 / -1; }
  .honor-grid { grid-template-columns: 1fr; }
  .article-card { grid-template-columns: 100px 1fr; }
  .article-card > div { grid-column: 2; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .video-index { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .sales-wechat { grid-template-columns: 260px 1fr; gap: 34px; }
  .address-photo { grid-column: auto; height: 380px; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100vw - 30px); }
  body { font-size: 15px; }
  .site-header { position: sticky; top: 0; }
  .section { padding: 65px 0; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading > p { margin-top: 15px; }
  .home-hero h1 { font-size: 2.75rem; }
  .hero-copy { padding-top: 58px; }
  .hero-facts { gap: 24px; }
  .hero-facts div { min-width: 90px; }
  .hero-visual { min-height: 320px; margin-inline: -15px; }
  .hero-note { right: 15px; bottom: 18px; left: 15px; padding: 13px 16px; }
  .hero-note span { font-size: 11px; }
  .hero-credentials { gap: 8px; margin-top: 24px; }
  .hero-credentials a { grid-template-columns: 40px 1fr; gap: 8px; min-height: 80px; padding: 10px; }
  .hero-credentials img { width: 40px; height: 40px; }
  .hero-credentials small { margin-bottom: 3px; font-size: 9px; }
  .hero-credentials strong { font-size: 11px; }
  .trust-strip .shell { grid-template-columns: 1fr 1fr; }
  .trust-strip span:nth-child(3) { display: none; }
  .category-grid, .product-grid { grid-template-columns: 1fr; }
  .catalog-browser { grid-template-columns: 1fr; gap: 26px; }
  .catalog-series { position: static; display: flex; overflow-x: auto; }
  .catalog-series-tab { flex: 0 0 205px; min-height: 66px; border-right: 2px solid rgba(255,255,255,.78); border-bottom: 0; }
  .catalog-series-tab:last-child { border-right: 0; }
  .catalog-products, .narrow .catalog-products { grid-template-columns: 1fr; }
  .catalog-panel-head { display: block; }
  .catalog-panel-head > a { display: inline-block; margin-top: 10px; }
  .category-card { min-height: 265px; }
  .category-number { margin-bottom: 30px; }
  .strength-grid { grid-template-columns: 1fr; }
  .strength-grid article { min-height: 190px; border-right: 0; border-bottom: 1px solid var(--line); }
  .strength-grid article:last-child { border-bottom: 0; }
  .strength-grid h3 { margin-top: 35px; }
  .image-stack { padding: 0 0 50px 35px; }
  .image-stack > img:first-child { min-height: 330px; }
  .cta-inner { display: block; }
  .cta-inner .button { margin-top: 25px; }
  .page-hero, .page-hero-image { min-height: 0; padding: 60px 0 80px; }
  .page-hero h1 { font-size: 2.45rem; }
  .breadcrumbs { margin-top: -43px; }
  .category-list article { gap: 20px; padding-inline: 5px; }
  .category-list article:hover { padding-inline: 10px; }
  .product-hero { padding-top: 30px; }
  .product-hero-grid { gap: 28px; }
  .product-gallery { grid-template-columns: repeat(3, 1fr); }
  .product-gallery-full { columns: 2 140px; column-gap: 10px; }
  .product-gallery-full a { margin-bottom: 10px; }
  .product-summary h1 { font-size: 2.25rem; }
  .product-summary .button-row .button { width: 100%; }
  .detail-layout { gap: 40px; }
  .process-steps { grid-template-columns: 1fr; }
  .process-steps article, .process-steps article:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .process-steps article:last-child { border-bottom: 0; }
  .service-process-grid { grid-template-columns: 1fr; }
  .service-process-grid article { min-height: 220px; }
  .process-action { display: block; padding: 24px; }
  .process-action .button { width: 100%; margin-top: 20px; }
  .partner-home-footer { display: block; }
  .partner-home-footer a { display: inline-block; margin-top: 16px; }
  .partner-home-footer-links-only { text-align: right; }
  .partner-home-footer-links-only a { margin-top: 0; }
  .home-partner-wall { overflow-x: auto; }
  .home-partner-wall img { width: 780px; max-width: none; }
  .link-cards { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: 1fr 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article, .capability-grid article:nth-child(3), .capability-grid article:nth-child(even), .capability-grid article:last-child { grid-column: auto; border-right: 1px solid var(--line); }
  .timeline::before { left: 46px; }
  .timeline article { grid-template-columns: 92px 1fr; gap: 17px; }
  .timeline article::before { left: 40px; }
  .timeline-year { font-size: 1rem; }
  .culture-grid { grid-template-columns: 1fr; }
  .culture-grid article { min-height: 210px; }
  .culture-grid p { margin-top: 30px; }
  .honor-grid article { grid-template-columns: 1fr; }
  .certificate-image img { height: 320px; }
  .article-card { grid-template-columns: 1fr; gap: 10px; padding-block: 24px; }
  .article-card > div { grid-column: auto; }
  .partner-grid { grid-template-columns: 1fr 1fr; }
  .video-index { grid-template-columns: 1fr; }
  .contact-card, .requirement-card { padding: 27px; }
  .contact-card dl div { grid-template-columns: 1fr; gap: 2px; }
  .sales-wechat { grid-template-columns: 1fr; padding: 27px; }
  .sales-wechat-image { max-width: 300px; margin: auto; }
  .address-photo { height: 360px; }
  .address-photo > div { right: 12px; bottom: 12px; left: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .footer-bottom { display: block; padding-bottom: 82px; }
  .footer-bottom span { display: block; margin: 5px 0; }
  .mobile-actions { position: fixed; z-index: 90; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 1fr 1fr; height: 58px; box-shadow: 0 -5px 22px rgba(0,0,0,.16); }
  .mobile-actions a { display: grid; place-items: center; color: white; background: var(--ink); font-weight: 700; }
  .mobile-actions a:last-child { background: var(--red); }
}

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