:root {
  --blue: #285a7b;
  --blue-dark: #142d3e;
  --blue-deep: #142d3e;
  --red: oklch(0.58 0.19 28);
  --orange: oklch(0.73 0.16 48);
  --ink: oklch(0.22 0.018 230);
  --muted: oklch(0.48 0.02 230);
  --line: oklch(0.86 0.01 230);
  --gray-bg: #f3f4f5;
  --white: #ffffff;
  --container: min(1400px, calc(100% - 48px));
  --body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--white); }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--body); font-size: 16px; line-height: 1.65; }
::selection { background: var(--blue); color: var(--white); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; width: 100%; }
.site-shell { min-width: 320px; overflow: clip; }
.page-width { width: var(--container); margin-inline: auto; }

.topbar { position: absolute; z-index: 12; top: 0; right: 0; left: 0; color: oklch(0.92 0.01 220); font-size: 13px; }
.topbar-inner { display: flex; align-items: center; gap: 24px; min-height: 40px; border-bottom: 1px solid color-mix(in oklch, var(--white) 18%, transparent); }
.topbar-spacer { flex: 1; }
.site-header { position: absolute; z-index: 11; top: 40px; right: 0; left: 0; color: var(--white); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 86px; border-bottom: 1px solid color-mix(in oklch, var(--white) 24%, transparent); }
.brand { display: inline-flex; align-items: baseline; gap: 12px; color: var(--white); white-space: nowrap; }
.brand-en { font-size: 33px; font-weight: 800; letter-spacing: .035em; line-height: 1; }
.brand-cn { font-size: 16px; font-weight: 600; letter-spacing: .12em; }
.primary-nav { display: flex; align-items: stretch; gap: clamp(18px, 3vw, 44px); height: 86px; margin-left: auto; margin-right: 42px; }
.primary-nav a { display: inline-flex; align-items: center; gap: 5px; position: relative; color: color-mix(in oklch, var(--white) 90%, transparent); font-size: 16px; font-weight: 600; }
.primary-nav a::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; background: var(--orange); content: ''; transform: scaleX(0); transition: transform 180ms ease-out; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after, .primary-nav a.is-current::after { transform: scaleX(1); }
.primary-nav svg { width: 14px; height: 14px; }
.header-contact { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding-inline: 14px; color: var(--white); border: 1px solid color-mix(in oklch, var(--white) 35%, transparent); font-size: 14px; }
.header-contact:hover { background: var(--blue); border-color: var(--blue); }
.header-contact svg { width: 15px; height: 15px; }
.menu-toggle, .mobile-nav { display: none; }
.header-phone { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header-phone > svg { width: 22px; height: 22px; }
.header-phone div { display: grid; gap: 2px; }
.header-phone span { font-size: 11px; opacity: .75; }
.header-phone strong { font-size: 18px; white-space: nowrap; letter-spacing: .02em; }
.contact-rail { position: fixed; right: 16px; bottom: 24px; z-index: 30; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.rail-item { position: relative; }
.rail-button { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 54px; min-height: 58px; border: 0; padding: 8px; cursor: pointer; background: var(--blue-deep); color: white; }
.rail-button:hover, .rail-button[aria-expanded="true"] { background: var(--blue); }
.rail-button > img { width: 23px; height: 23px; filter: invert(1); }
.rail-button span { font-size: 11px; }
.rail-panel { position: absolute; right: calc(100% + 12px); bottom: 0; width: 252px; padding: 22px; background: var(--white); color: var(--ink); border: 1px solid var(--line); box-shadow: 0 8px 24px #142d3e1a; }
.rail-panel strong { display: block; margin-bottom: 14px; font-size: 19px; }
.rail-panel p { margin: 10px 0; font-size: 13px; line-height: 1.65; }
.rail-panel small { color: var(--muted); font-size: 11px; }
.rail-panel .rail-phone-number { font-size: 20px; font-weight: 700; color: var(--blue); white-space: nowrap; }
.copy-wechat { margin-top: 18px; min-height: 40px; width: 100%; padding: 8px; background: var(--blue); color: white; border: 0; cursor: pointer; }
.copy-status:empty { display: none; }
@media(max-width:720px) {
  .site-header .header-inner { flex-wrap: wrap; gap: 0 12px; padding-top: 10px; }
  .header-inner .brand { flex: 1; }
  .header-inner .menu-toggle { order: 2; }
  .header-phone { order: 3; flex-basis: 100%; justify-content: flex-end; padding: 5px 0 9px; gap: 6px; }
  .header-phone > svg { width: 13px; height: 13px; }
  .header-phone div { display: flex; align-items: baseline; gap: 8px; }
  .header-phone span { font-size: 10px; }
  .header-phone strong { font-size: 13px; }
  .contact-rail { right: 8px; bottom: max(12px,env(safe-area-inset-bottom)); }
  .rail-button { width: 44px; min-height: 50px; padding: 6px; }
  .rail-panel { width: min(252px,calc(100vw - 72px)); right: calc(100% + 8px); padding: 18px; }
}

.hero { position: relative; display: grid; place-items: center; min-height: 760px; color: var(--white); text-align: center; background: var(--blue-deep); overflow: hidden; }
.hero-backdrop { position: absolute; inset: 0; background: var(--blue-deep); }
.hero-content { position: relative; z-index: 1; width: min(1000px, calc(100% - 40px)); padding-block: 160px 80px; }
.hero-overline { margin: 0 0 24px; color: color-mix(in oklch, var(--white) 88%, transparent); font-size: clamp(17px, 2vw, 23px); font-weight: 500; }
.hero h1 { margin: 0; font-size: clamp(42px, 5.2vw, 76px); font-weight: 800; letter-spacing: -.03em; line-height: 1.2; }
.hero h1 span { color: #ff8057; }
.hero-subtitle { margin: 20px 0 0; color: #c6d7e0; font-family: var(--serif); font-size: clamp(20px, 2.4vw, 34px); font-style: italic; line-height: 1.3; }
.hero-rule { width: 80px; height: 2px; margin: 30px auto 24px; background: var(--orange); }
.hero-copy { max-width: 650px; margin: 0 auto 30px; color: color-mix(in oklch, var(--white) 82%, transparent); font-size: 17px; }
.hero-button { display: inline-flex; align-items: center; gap: 10px; min-width: 180px; min-height: 48px; padding: 12px 20px; justify-content: center; background: var(--orange); color: var(--white); font-weight: 700; }
.hero-button:hover, .hero-button:focus-visible { background: var(--red); }
.hero-button svg { width: 17px; height: 17px; }
.hero-proof { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px 44px; margin-top: 48px; color: color-mix(in oklch, var(--white) 84%, transparent); font-size: 14px; }
.hero-proof strong { margin-right: 6px; color: var(--white); font-size: 28px; font-weight: 800; }
.hero-scroll { position: absolute; z-index: 1; bottom: 26px; display: inline-flex; align-items: center; gap: 8px; color: color-mix(in oklch, var(--white) 74%, transparent); font-size: 13px; }
.hero-scroll svg { width: 15px; height: 15px; }

.section { padding-block: 88px; }
.section-title { margin-bottom: 44px; }
.section-title.centered { text-align: center; }
.section-title h2 { margin: 0 0 12px; color: var(--ink); font-size: clamp(30px, 4vw, 44px); font-weight: 800; letter-spacing: -.02em; line-height: 1.25; }
.section-title h2::after { display: block; width: 54px; height: 3px; margin: 18px auto 0; background: var(--blue); content: ''; }
.section-title > p:last-child { max-width: 650px; margin: 0 auto; color: var(--muted); font-size: 17px; }
.solution-note { max-width: 760px !important; margin-top: 10px !important; color: var(--blue) !important; font-size: 13px !important; font-weight: 600; }
.section-kicker { margin: 0 0 10px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.section-kicker.light { color: var(--orange); }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.case-card { position: relative; display: block; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.case-card img { aspect-ratio: 1 / 1; object-fit: cover; transition: transform 260ms ease-out; }
.case-caption { display: grid; grid-template-columns: 1fr 22px; align-items: center; gap: 6px 10px; padding: 16px 18px 18px; background: var(--white); }
.case-caption h3 { grid-column: 1; margin: 0; font-size: 19px; font-weight: 700; line-height: 1.35; }
.case-caption span { grid-column: 1; color: var(--muted); font-size: 14px; }
.case-caption svg { grid-column: 2; grid-row: 1 / span 2; width: 18px; height: 18px; color: var(--blue); }
.case-card:hover img { transform: scale(1.04); }
.case-card:hover .case-caption { color: var(--blue); }

.about-band { position: relative; color: var(--white); background: var(--blue-deep); }
.about-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); min-height: 530px; align-items: center; }
.about-layout > * { min-width: 0; }
.about-copy { max-width: 620px; padding-block: 84px; }
.about-copy h2 { margin: 0 0 22px; color: var(--white); font-size: clamp(34px, 4vw, 50px); line-height: 1.2; }
.about-copy p:not(.section-kicker) { margin: 0 0 14px; color: color-mix(in oklch, var(--white) 84%, transparent); font-size: 17px; }
.light-button { display: inline-flex; align-items: center; gap: 9px; min-height: 46px; margin-top: 18px; padding: 11px 18px; background: var(--blue); color: var(--white); font-weight: 700; }
.light-button:hover { background: var(--orange); }
.light-button svg { width: 16px; height: 16px; }
.about-side { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 340px; padding: 24px; border-left: 1px solid color-mix(in oklch, var(--white) 18%, transparent); color: color-mix(in oklch, var(--white) 80%, transparent); text-align: center; }
.about-side span { font-size: clamp(88px, 12vw, 180px); font-weight: 800; letter-spacing: .02em; line-height: .8; }
.about-side small { margin-top: 22px; color: var(--orange); font-size: 12px; letter-spacing: .18em; }

.products { background: var(--white); }
.category-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.category-tab { min-height: 42px; padding: 8px 20px; border: 1px solid var(--line); background: var(--white); color: var(--muted); cursor: pointer; font-size: 15px; }
.category-tab:hover, .category-tab.is-active { border-color: var(--blue); background: var(--blue); color: var(--white); }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.product-card { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.product-image { position: relative; overflow: hidden; background: var(--gray-bg); }
.product-image img { aspect-ratio: 1.5 / 1; object-fit: contain; transition: transform 260ms ease-out; }
.product-caption { position: relative; display: grid; grid-template-columns: 1fr 20px; gap: 4px 10px; padding: 15px 16px 17px; background: var(--white); }
.product-caption span { grid-column: 1; color: var(--blue); font-size: 12px; font-weight: 600; }
.product-caption h3 { grid-column: 1; margin: 0; font-size: 19px; line-height: 1.35; }
.product-caption p { grid-column: 1; margin: 0; color: var(--muted); font-size: 14px; }
.product-caption svg { grid-column: 2; grid-row: 1 / span 3; align-self: center; width: 18px; height: 18px; color: var(--blue); }
.product-card:hover { border-color: var(--blue); }
.product-card:hover .product-image img { transform: scale(1.04); }
.product-card:hover .product-caption { background: var(--gray-bg); }

.culture-band { padding-block: 74px; background: var(--gray-bg); }
.culture-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.culture-card { min-height: 270px; padding: 30px 28px 28px; border: 1px solid var(--line); background: var(--white); }
.culture-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 25px; border: 1px solid var(--blue); color: var(--blue); }
.culture-icon svg { width: 23px; height: 23px; }
.culture-card h3 { margin: 0 0 12px; font-size: 20px; line-height: 1.35; }
.culture-card p { min-height: 72px; margin: 0 0 17px; color: var(--muted); font-size: 15px; }
.culture-card a { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-size: 14px; font-weight: 700; }
.culture-card a:hover { color: var(--red); }
.culture-card a svg { width: 15px; height: 15px; }

.quality-strip { padding-block: 64px; background: var(--blue-deep); color: var(--white); }
.quality-layout { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 60px; }
.quality-layout h2 { margin: 0; color: var(--white); font-size: clamp(28px, 4vw, 44px); line-height: 1.25; }
.quality-steps { display: flex; align-items: center; justify-content: end; flex-wrap: wrap; gap: 12px; color: var(--white); font-size: 15px; }
.quality-steps svg { width: 16px; height: 16px; color: var(--orange); }

.site-footer { padding-block: 60px 22px; background: var(--blue-deep); color: var(--white); }
.footer-top { display: flex; align-items: end; justify-content: space-between; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid color-mix(in oklch, var(--white) 18%, transparent); }
.footer-brand .brand-en { color: var(--orange); }
.footer-top p { margin: 12px 0 0; color: oklch(0.76 0.01 230); }
.footer-message { color: oklch(0.82 0.01 230); font-size: 17px; text-align: right; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-block: 34px; }
.footer-links h3 { margin: 0 0 14px; color: var(--orange); font-size: 16px; }
.footer-links a, .footer-links p { display: block; margin: 0 0 8px; color: oklch(0.76 0.01 230); font-size: 14px; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 18px; border-top: 1px solid color-mix(in oklch, var(--white) 18%, transparent); color: oklch(0.62 0.01 230); font-size: 12px; }

.detail-banner { min-height: 420px; padding-top: 188px; color: var(--white); background: var(--blue-deep); border-bottom: 4px solid var(--blue); }
.detail-banner-inner { padding-bottom: 70px; }
.breadcrumb { display: flex; gap: 10px; margin: 0 0 36px; color: oklch(0.82 0.01 230); font-size: 14px; }
.breadcrumb a:hover { color: var(--orange); }
.detail-banner h1 { margin: 0 0 12px; font-size: clamp(38px, 5vw, 68px); line-height: 1.15; }
.detail-banner > .page-width > p:last-child { max-width: 600px; margin: 0; color: oklch(0.87 0.01 230); font-size: 18px; }
.detail-main { padding-top: 90px; }
.detail-layout { width: var(--container); margin-inline: auto; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(32px, 5vw, 72px); }
.detail-image { position: relative; border: 1px solid var(--line); padding: 14px; }
.detail-image img { aspect-ratio: 1.35 / 1; object-fit: contain; }
.detail-tag { position: absolute; top: 26px; left: 26px; padding: 6px 10px; background: var(--blue); color: var(--white); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.detail-copy h2 { margin: 0 0 20px; font-size: clamp(30px, 4vw, 48px); line-height: 1.25; }
.detail-copy > p:not(.section-kicker) { margin: 0 0 18px; color: var(--muted); font-size: 17px; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.detail-tags span { padding: 6px 10px; border: 1px solid var(--line); color: var(--blue); font-size: 14px; }
.text-button { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; color: var(--blue); font-weight: 700; }
.text-button:hover { color: var(--red); }
.text-button svg { width: 16px; height: 16px; }
.related { width: var(--container); margin-inline: auto; padding-top: 0; }
.product-page .related { padding-bottom: 36px; }
.site-cta { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 32px; margin-block: 0 64px; padding: 36px 40px; background: var(--gray-bg); border: 1px solid var(--line); }
.site-cta .section-kicker { margin: 0 0 12px; }
.site-cta h2 { margin: 0 0 12px; font-size: clamp(24px,2.4vw,32px); line-height: 1.4; }
.site-cta p:last-child { margin: 0; color: var(--muted); }
.site-cta .light-button { margin: 0; white-space: nowrap; justify-content: center; }
@media(max-width:720px) {
  .product-page .related { padding-bottom: 28px; }
  .site-cta { grid-template-columns: minmax(0,1fr); gap: 24px; padding: 26px 22px; margin-bottom: 40px; }
  .site-cta .light-button { justify-self: start; }
}
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.related-grid a { border: 1px solid var(--line); }
.related-grid img { aspect-ratio: 1.4 / 1; object-fit: contain; transition: transform 240ms ease-out; }
.related-grid span { display: flex; align-items: center; justify-content: space-between; padding: 13px 16px; font-weight: 700; }
.related-grid svg { width: 16px; height: 16px; color: var(--blue); }
.related-grid a:hover { border-color: var(--blue); }
.related-grid a:hover img { transform: scale(1.03); }

.inner-page .detail-banner { min-height: 470px; }
.inner-page .detail-banner-inner { padding-top: 8px; }
.product-page-main { padding-top: 88px; }
.product-source { position: absolute; top: 14px; left: 14px; padding: 5px 8px; background: var(--blue); color: var(--white); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.story-layout { display: grid; grid-template-columns: 1.1fr .9fr; align-items: stretch; gap: 44px; }
.story-copy { padding-right: 12px; }
.story-copy p { margin: 0 0 18px; color: var(--muted); font-size: 17px; }
.story-aside { display: grid; grid-template-rows: 1fr auto; min-height: 400px; border: 1px solid var(--line); background: var(--gray-bg); }
.story-aside img { height: 100%; min-height: 280px; object-fit: cover; }
.story-aside-caption { display: flex; align-items: baseline; gap: 14px; padding: 18px 20px; background: var(--white); }
.story-aside-caption strong { color: var(--red); font-size: 25px; }
.story-aside-caption span { color: var(--muted); font-size: 14px; }
.story-aside .story-figure { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
.story-aside .story-figure img { width: 100%; height: auto; min-height: 0; aspect-ratio: 4 / 3; object-fit: contain; padding: 10px; background: var(--white); }
.about-facts { padding-block: 42px; background: var(--blue-deep); color: var(--white); }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact-grid > div { display: flex; flex-direction: column; gap: 4px; padding: 0 26px; border-right: 1px solid color-mix(in oklch, var(--white) 26%, transparent); }
.fact-grid > div:first-child { padding-left: 0; }
.fact-grid > div:last-child { border-right: 0; }
.fact-grid strong { font-size: clamp(28px, 4vw, 44px); line-height: 1.1; }
.fact-grid span { color: color-mix(in oklch, var(--white) 82%, transparent); font-size: 14px; }
.industry-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.industry-block { display: grid; grid-template-columns: .78fr 1.22fr; min-height: 310px; border: 1px solid var(--line); background: var(--white); }
.industry-block:nth-child(even) > img { order: 2; }
.industry-block:nth-child(even) .industry-copy { order: 1; }
.industry-block > img { width: 100%; height: 100%; min-height: 308px; object-fit: contain; background: var(--gray-bg); }
.industry-copy { padding: 25px 25px 22px; }
.industry-copy h3 { margin: 0 0 13px; font-size: 24px; line-height: 1.25; }
.industry-copy p:not(.section-kicker) { margin: 0 0 15px; color: var(--muted); font-size: 15px; }
.industry-copy ul { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; color: var(--ink); font-size: 14px; }
.industry-copy li { position: relative; padding-left: 15px; }
.industry-copy li::before { position: absolute; top: .7em; left: 0; width: 5px; height: 5px; background: var(--orange); content: ''; }
.industry-recommend { margin: 18px 0 0; padding-top: 13px; border-top: 1px solid var(--line); color: var(--blue) !important; font-size: 13px !important; font-weight: 700; }
.industry-nav { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; margin: -9px 0 34px; border: 1px solid var(--line); background: var(--line); }
.industry-nav a { display: flex; align-items: center; justify-content: center; min-height: 49px; padding: 10px 12px; background: var(--white); color: var(--muted); font-size: 14px; font-weight: 600; text-align: center; transition: background 180ms ease-out, color 180ms ease-out; }
.industry-nav a:hover, .industry-nav a:focus-visible { background: var(--blue); color: var(--white); }
.industry-more { padding-top: 0; }
.industry-mini-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.industry-mini-grid article { min-height: 190px; padding: 26px 25px 24px; border-top: 3px solid var(--blue); border-bottom: 1px solid var(--line); background: var(--gray-bg); }
.industry-mini-grid h3 { margin: 0 0 11px; font-size: 22px; }
.industry-mini-grid p:not(.section-kicker) { margin: 0; color: var(--muted); font-size: 15px; }
.solution-method { padding-block: 82px; background: var(--blue-deep); color: var(--white); }
.solution-method .section-title h2, .solution-method .section-title > p:last-child { color: var(--white); }
.solution-method .section-title h2::after { background: var(--orange); }
.solution-method .section-title > p:last-child { color: color-mix(in oklch, var(--white) 76%, transparent); }
.method-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: color-mix(in oklch, var(--white) 20%, transparent); }
.method-grid article { min-height: 210px; padding: 26px 28px; background: var(--blue-deep); }
.method-grid span { display: block; margin-bottom: 20px; color: var(--orange); font-size: 13px; font-weight: 700; letter-spacing: .14em; }
.method-grid h3 { margin: 0 0 11px; font-size: 21px; }
.method-grid p { margin: 0; color: color-mix(in oklch, var(--white) 74%, transparent); font-size: 15px; }
.solution-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 34px; padding-top: 24px; border-top: 1px solid color-mix(in oklch, var(--white) 22%, transparent); }
.solution-actions p { margin: 0 auto 0 0; color: color-mix(in oklch, var(--white) 80%, transparent); font-size: 15px; }
.solution-actions .light-button { margin-top: 0; background: var(--orange); }
.method-link { display: inline-flex; align-items: center; gap: 8px; color: var(--white); font-size: 14px; font-weight: 700; }
.method-link:hover, .method-link:focus-visible { color: var(--orange); }
.method-link svg { width: 16px; height: 16px; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.service-card { min-height: 385px; padding: 28px 27px 25px; border: 1px solid var(--line); background: var(--white); }
.service-card-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 23px; border: 1px solid var(--blue); color: var(--blue); }
.service-card-icon svg { width: 23px; height: 23px; }
.service-card h3 { margin: 0 0 13px; font-size: 23px; line-height: 1.25; }
.service-card > p:not(.section-kicker) { min-height: 75px; margin: 0 0 18px; color: var(--muted); font-size: 15px; }
.service-card ul { display: grid; gap: 8px; margin: 0; padding: 15px 0 0; border-top: 1px solid var(--line); list-style: none; color: var(--ink); font-size: 14px; }
.service-card li { position: relative; padding-left: 16px; }
.service-card li::before { position: absolute; top: .7em; left: 0; width: 5px; height: 5px; background: var(--orange); content: ''; }
.service-detail-band { padding-block: 76px; background: var(--blue-deep); color: var(--white); }
.service-detail-grid { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 80px; }
.service-detail-grid h2 { max-width: 580px; margin: 0 0 15px; color: var(--white); font-size: clamp(30px, 4vw, 46px); line-height: 1.22; }
.service-detail-grid p:not(.section-kicker) { max-width: 620px; margin: 0; color: color-mix(in oklch, var(--white) 78%, transparent); font-size: 16px; }
.service-checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: color-mix(in oklch, var(--white) 24%, transparent); }
.service-checklist div { display: flex; align-items: center; gap: 10px; min-height: 70px; padding: 16px; background: var(--blue-deep); }
.service-checklist svg { width: 16px; height: 16px; color: var(--orange); }
.service-checklist span { font-size: 14px; }
.service-contact { background: var(--gray-bg); }
.service-contact-layout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 44px; }
.service-contact h2 { margin: 0 0 12px; font-size: clamp(30px, 4vw, 44px); line-height: 1.2; }
.service-contact p:not(.section-kicker) { max-width: 650px; margin: 0; color: var(--muted); font-size: 16px; }
.service-contact-actions { display: flex; align-items: center; gap: 22px; }
.contact-page-main { padding-bottom: 96px; }
.contact-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; }
.contact-info { display: grid; gap: 15px; }
.contact-info article { display: grid; grid-template-columns: 48px 1fr; gap: 17px; align-items: start; padding: 22px; border: 1px solid var(--line); background: var(--white); }
.contact-icon { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--blue); color: var(--blue); }
.contact-icon svg { width: 22px; height: 22px; }
.contact-info article span { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.contact-info article h3 { margin: 6px 0 6px; font-size: 20px; line-height: 1.35; }
.contact-info article p { margin: 0; color: var(--muted); font-size: 14px; }
.contact-visual { display: flex; min-height: 100%; flex-direction: column; align-items: center; justify-content: center; padding: 42px 30px; color: var(--white); text-align: center; background: var(--blue-deep); }
.contact-visual-mark { color: var(--white); font-size: clamp(60px, 8vw, 112px); font-weight: 800; line-height: .9; letter-spacing: .04em; }
.contact-visual p { margin: 22px 0 22px; color: color-mix(in oklch, var(--white) 84%, transparent); font-size: 18px; line-height: 1.7; }
.contact-visual .light-button { margin-top: 0; }
.quality-steps a { color: inherit; }
.quality-steps a:hover { color: var(--orange); }

.suction-hero { background: var(--blue-deep); color: #fff; padding-block: 175px 65px; }
.suction-hero-layout { display: grid; grid-template-columns: 1fr 1.06fr; align-items: center; gap: 5%; }
.suction-hero-copy h1 { font-size: clamp(38px,4.3vw,66px); line-height: 1.25; margin: 20px 0 26px; letter-spacing: -.04em; }
.suction-hero-copy h1 span { color: #f3a077; }
.suction-hero-copy > p:not(.section-kicker) { color: #c8d7de; line-height: 1.95; font-size: 17px; }
.suction-hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 32px; }
.suction-secondary { display: inline-flex; align-items: center; gap: 8px; padding-block: 12px; border-bottom: 1px solid #68818c; }
.suction-keywords { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid #49616b; margin-top: 38px; padding-top: 22px; color: #bbced7; font-size: 13px; gap: 12px; }
.suction-hero-image { margin: 0; background: var(--gray-bg); }
.suction-hero-image img { aspect-ratio: 4/3; object-fit: contain; }
.suction-hero-image figcaption { display: grid; gap: 5px; padding: 18px 24px; color: #d8e5eb; background: var(--blue-deep); font-size: 14px; }
.suction-hero-image small { color: #adc1ca; font-size: 12px; }
.suction-industry-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.suction-industry { display: flex; align-items: center; gap: 18px; padding: 27px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.suction-industry:hover { background: var(--gray-bg); }
.suction-industry-icon { flex: 0 0 44px; color: var(--blue); }
.suction-industry-icon svg { width: 30px; height: 30px; }
.suction-industry > svg { margin-left: auto; color: var(--blue); width: 16px; height: 16px; }
.suction-industry h3 { margin: 0 0 6px; font-size: 20px; }
.suction-industry p { margin: 0; color: var(--muted); font-size: 13px; }
.concept-label { position: absolute; left: 12px; bottom: 12px; padding: 3px 8px; color: #526773; background: #fffffff0; font-size: 11px; }
.catalog-note { color: #62727a; font-size: 13px; line-height: 1.7; margin: 18px 0 0; }
.product-caption > span { font-size: 10px; letter-spacing: .05em; }
.story-aside img { object-fit: contain; }
@media(max-width:1100px) {
  .suction-hero-layout { gap: 28px; }
  .suction-hero-copy h1 { font-size: 40px; }
  .suction-keywords { grid-template-columns: repeat(2,1fr); }
  .suction-industry-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media(max-width:720px) {
  .suction-hero { padding-block: 115px 44px; }
  .suction-hero-layout { grid-template-columns: 1fr; gap: 32px; }
  .suction-hero-copy h1 { font-size: clamp(33px,9.5vw,49px); }
  .suction-hero-copy > p:not(.section-kicker) { font-size: 16px; }
  .suction-hero-actions { gap: 14px; }
  .suction-industry-grid { grid-template-columns: 1fr; }
  .suction-industry { padding: 22px 18px; }
  .suction-keywords { margin-top: 24px; }
}
.editorial-section { padding-block: 72px; }
.editorial-section + .editorial-section { padding-top: 16px; }
.section-heading { max-width: 900px; margin-bottom: 32px; }
.section-heading h2 { margin: 0 0 16px; font-size: clamp(28px, 3vw, 40px); line-height: 1.35; }
.section-heading > p:last-child { margin: 0; color: var(--muted); }
.info-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.info-grid:has(> :nth-child(4):last-child) { grid-template-columns: repeat(4,minmax(0,1fr)); }
.footer-brand { color: white; }
.hero-button { color: #152d38; }
.mobile-nav a[aria-current="page"] { color: var(--blue); border-left: 3px solid var(--blue); padding-left: 12px; }
.info-panel { padding: 28px; border: 1px solid var(--line); border-top: 3px solid var(--blue); background: var(--gray-bg); }
.info-panel h3 { font-size: 21px; margin: 0 0 14px; }
.info-panel p { color: var(--muted); margin: 0 0 14px; }
.info-panel ul { padding-left: 20px; margin-bottom: 0; }
.info-panel li { margin-block: 8px; }
.info-panel a, .faq-list a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.split-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.split-feature > * { min-width: 0; }
.process-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-item { padding: 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-item > span { color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .06em; }
.process-item h3 { margin: 18px 0 12px; font-size: 21px; }
.process-item p { color: var(--muted); margin: 0; font-size: 15px; }
a.process-item:hover { background: var(--gray-bg); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { padding: 0 22px; border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding-block: 22px; font-size: 18px; font-weight: 600; }
.faq-list details[open] { background: var(--gray-bg); }
.faq-list details p { margin: 0; padding-bottom: 22px; max-width: 1000px; color: var(--muted); }
.home-support { padding-block: 72px; background: var(--blue-deep); color: white; }
.home-support h2 { margin: 0 0 20px; font-size: clamp(28px,3.2vw,44px); line-height: 1.4; }
.home-support p { color: #c4d1d8; }
.home-support-list article { display: flex; gap: 24px; padding-block: 20px; border-bottom: 1px solid #405763; }
.home-support-list article:first-child { padding-top: 0; }
.home-support-list article > span { color: var(--orange); font-size: 26px; }
.home-support-list h3 { margin: 0 0 5px; }
.home-support-list p { margin: 0; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 20px; padding: 12px 20px; background: white; color: var(--blue); }
.skip-link:focus { top: 12px; }
.demo-note { font-size: 12px; color: #b9c7cf; }
[hidden] { display: none !important; }
[id] { scroll-margin-top: 24px; }
.site-shell { min-width: 0; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
svg { width: 20px; height: 20px; flex-shrink: 0; }
.back-top { position: fixed; bottom: 20px; right: 20px; z-index: 20; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid #657e8a; background: var(--blue-deep); color: white; cursor: pointer; }
.filter-result { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
@media (max-width: 1100px) {
  .info-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .info-grid:has(> :nth-child(4):last-child) { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .process-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split-feature { gap: 28px; }
}
@media (max-width: 720px) {
  .editorial-section, .home-support { padding-block: 48px; }
  .info-grid, .split-feature { grid-template-columns: 1fr; gap: 18px; }
  .info-grid:has(> :nth-child(4):last-child) { grid-template-columns: 1fr; }
  .info-panel, .process-item { padding: 22px 18px; }
  .process-grid { grid-template-columns: 1fr; }
  .home-support-list { margin-top: 18px; }
  .faq-list details { padding-inline: 12px; }
  .faq-list summary { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }

@media (max-width: 1100px) {
  :root { --container: min(100% - 40px, 900px); }
  .primary-nav, .header-contact { display: none; }
  .header-inner { min-height: 72px; }
  .menu-toggle { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid color-mix(in oklch, var(--white) 45%, transparent); background: transparent; color: var(--white); cursor: pointer; }
  .menu-toggle svg { width: 22px; height: 22px; }
  .mobile-nav { display: none; position: absolute; top: 100%; right: 0; left: 0; gap: 0; padding: 6px 16px 10px; background: var(--white); color: var(--ink); border: 1px solid var(--line); }
  .mobile-nav a { padding: 13px 4px; border-bottom: 1px solid var(--line); font-weight: 600; }
  .menu-open .mobile-nav { display: grid; }
  .hero { min-height: 720px; }
  .quality-layout { grid-template-columns: 1fr; gap: 24px; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .quality-steps { justify-content: start; }
  .industry-grid { grid-template-columns: 1fr; }
  .industry-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .industry-block:nth-child(even) > img, .industry-block:nth-child(even) .industry-copy { order: initial; }
  .service-detail-grid { grid-template-columns: 1fr; gap: 36px; }
  .service-contact-layout { grid-template-columns: 1fr; }
  .service-contact-actions { justify-content: start; }
}

@media (max-width: 720px) {
  :root { --container: min(100% - 32px, 620px); }
  .topbar { display: none; }
  .site-header { top: 0; background: var(--white); color: var(--ink); }
  .header-inner { min-height: 66px; }
  .header-inner { border-bottom-color: var(--line); }
  .brand { color: var(--ink); }
  .menu-toggle { border-color: var(--line); color: var(--ink); }
  .brand-en { font-size: 28px; }
  .brand-cn { font-size: 14px; }
  .hero { min-height: 700px; }
  .hero-content { padding-top: 80px; }
  .hero-overline { margin-bottom: 18px; font-size: 16px; }
  .hero h1 { font-size: clamp(37px, 11vw, 56px); white-space: normal; }
  .hero-subtitle { font-size: clamp(18px, 5vw, 25px); }
  .hero-copy { font-size: 16px; }
  .hero-proof { gap: 10px 18px; margin-top: 34px; font-size: 12px; }
  .hero-proof strong { font-size: 22px; }
  .section { padding-block: 68px; }
  .section-title { margin-bottom: 34px; }
  .section-title h2 { font-size: 30px; }
  .section-title > p:last-child { font-size: 16px; }
  .case-grid, .culture-grid, .related-grid { grid-template-columns: 1fr; gap: 18px; }
  .case-caption h3 { font-size: 18px; }
  .about-layout { grid-template-columns: minmax(0,1fr); min-height: auto; }
  .about-copy { padding-block: 68px 36px; }
  .about-copy p:not(.section-kicker) { font-size: 16px; }
  .about-side { min-height: 210px; padding-block: 34px; border-top: 1px solid color-mix(in oklch, var(--white) 18%, transparent); border-left: 0; }
  .about-side span { font-size: clamp(62px,22vw,92px); }
  .category-tabs { justify-content: start; flex-wrap: wrap; gap: 8px; }
  .category-tab { flex: 0 0 auto; padding-inline: 16px; }
  .product-grid { grid-template-columns: 1fr; gap: 18px; }
  .industry-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: -4px; }
  .culture-band { padding-block: 56px; }
  .culture-card { min-height: auto; padding: 24px 22px; }
  .culture-card p { min-height: auto; }
  .quality-strip { padding-block: 52px; }
  .quality-layout h2 { font-size: 30px; }
  .quality-steps { gap: 8px 10px; font-size: 14px; }
  .quality-steps svg { display: none; }
  .footer-top { display: grid; align-items: start; gap: 28px; }
  .footer-message { text-align: left; font-size: 16px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .footer-bottom { display: grid; gap: 8px; }
  .detail-banner { min-height: 380px; padding-top: 120px; }
  .detail-banner-inner { padding-bottom: 58px; }
  .breadcrumb { margin-bottom: 28px; font-size: 13px; }
  .detail-banner h1 { font-size: 42px; }
  .detail-banner > .page-width > p:last-child { font-size: 16px; }
  .detail-main { padding-top: 64px; }
  .detail-layout { grid-template-columns: 1fr; gap: 40px; }
  .detail-copy h2 { font-size: 30px; }
  .detail-copy > p:not(.section-kicker) { font-size: 16px; }
  .inner-page .detail-banner { min-height: 390px; }
  .inner-page .detail-banner-inner { padding-top: 0; }
  .story-layout { grid-template-columns: 1fr; gap: 28px; }
  .story-copy p { font-size: 16px; }
  .story-aside { min-height: 300px; }
  .about-facts { padding-block: 30px; }
  .fact-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .fact-grid > div { padding: 0 18px; border-right: 0; }
  .fact-grid > div:nth-child(odd) { padding-left: 0; border-right: 1px solid color-mix(in oklch, var(--white) 24%, transparent); }
  .fact-grid > div:nth-child(even) { padding-right: 0; }
  .industry-block { grid-template-columns: 1fr; }
  .industry-block > img { min-height: 230px; max-height: 290px; }
  .industry-copy { padding: 22px 20px 21px; }
  .industry-copy h3 { font-size: 22px; }
  .industry-mini-grid { grid-template-columns: 1fr; gap: 16px; }
  .industry-mini-grid article { min-height: 0; padding: 22px 20px; }
  .solution-method { padding-block: 64px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article { min-height: 0; padding: 23px 22px; }
  .service-grid { grid-template-columns: 1fr; gap: 18px; }
  .service-card { min-height: 0; padding: 24px 22px; }
  .service-card > p:not(.section-kicker) { min-height: 0; }
  .service-detail-band { padding-block: 58px; }
  .service-checklist { grid-template-columns: 1fr; }
  .service-contact-actions { align-items: start; flex-direction: column; gap: 14px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info article { padding: 18px; }
  .contact-visual { min-height: 310px; }
}

.card-heading { display: flex; align-items: center; gap: 10px; }
.card-heading > svg { width: 23px; height: 23px; flex: 0 0 23px; color: var(--blue); }
.card-heading > .card-heading-text { min-width: 0; color: inherit; font: inherit; letter-spacing: inherit; }
.product-caption .card-heading > svg { grid-column: auto; grid-row: auto; align-self: center; width: 22px; height: 22px; }
.product-caption .card-heading-text { font-size: inherit; font-weight: inherit; color: inherit; }
.contact-info article { grid-template-columns: minmax(0,1fr); }
.culture-card, .service-card { min-height: 0; }
.culture-card p { min-height: 0; }
.suction-industry > div { flex: 1; min-width: 0; }
.home-support-list .card-heading > svg { color: var(--orange); }
.related-grid .card-heading { padding: 16px; justify-content: flex-start; }
.related-grid .card-heading-text { padding: 0; display: inline; font: inherit; }
@media(max-width:720px) {
  .card-heading { gap: 9px; }
  .card-heading > svg { width: 21px; height: 21px; flex-basis: 21px; }
}
main > .cta-preceding { padding-bottom: 36px; }
.card-heading { gap: 13px; }
.card-heading > .icon-badge { position: relative; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 42px; width: 42px; height: 42px; padding: 0; color: white; background: var(--blue-deep); border: 1px solid #355368; box-shadow: 3px 3px 0 #142d3e10; }
.icon-badge::after { content: ''; position: absolute; bottom: -1px; left: 9px; width: 15px; height: 3px; background: var(--orange); }
.card-heading .icon-badge > svg { width: 23px; height: 23px; flex: 0 0 23px; color: white; stroke-width: 1.8; }
.home-support-list .icon-badge, .sector-method-grid .icon-badge { background: #25465c; border-color: #577285; box-shadow: none; }
.sector-product .card-heading > .icon-badge { flex-basis: 32px; width: 32px; height: 32px; }
.sector-product .icon-badge > svg { width: 18px; height: 18px; flex-basis: 18px; }
.sector-product .icon-badge::after { left: 6px; width: 12px; }
@media(max-width:720px) {
  .card-heading { gap: 11px; }
  .card-heading > .icon-badge { flex-basis: 36px; width: 36px; height: 36px; }
  .card-heading .icon-badge > svg { width: 21px; height: 21px; flex-basis: 21px; }
}
@media(max-width:720px) { main > .cta-preceding { padding-bottom: 28px; } }