:root {
  --ink: #102d34;
  --muted: #64767b;
  --line: #dce5e6;
  --soft: #f3f7f7;
  --teal: #006a70;
  --teal-dark: #003f46;
  --cyan: #12a5ad;
  --white: #fff;
  --shell: min(1380px, calc(100vw - 96px));
  --header-height: 76px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.section-shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; color: #fff; background: var(--teal-dark); transform: translateY(-140%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 50; top: 0; height: var(--header-height); border-bottom: 1px solid rgba(16,45,52,.1); background: rgba(255,255,255,.92); backdrop-filter: blur(18px); }
.header-inner { width: var(--shell); height: 100%; margin: 0 auto; display: grid; grid-template-columns: 184px 1fr auto; align-items: center; gap: 36px; }
.brand { display: block; width: 154px; }
.brand img { width: 100%; height: auto; }
.site-nav { display: flex; align-items: center; justify-content: center; gap: clamp(22px, 2.4vw, 42px); height: 100%; }
.site-nav a { position: relative; display: flex; align-items: center; height: 100%; font-size: 15px; white-space: nowrap; }
.site-nav a::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--teal); content: ""; transform: scaleX(0); transition: transform .25s var(--ease); }
.site-nav a:hover::after, .site-nav a.is-current::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.language-link { font-size: 14px; }
.button { display: inline-flex; min-height: 50px; padding: 0 28px; align-items: center; justify-content: center; border: 1px solid var(--teal-dark); border-radius: 3px; font-size: 15px; font-weight: 600; transition: color .25s, background .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--teal-dark); }
.button-compact { min-height: 44px; padding-inline: 22px; border-radius: 24px; }
.button-light { color: var(--teal-dark); border-color: #fff; background: #fff; }
.nav-toggle { display: none; }

.about-hero { min-height: min(760px, calc(100svh - var(--header-height))); display: grid; grid-template-columns: minmax(360px, .82fr) minmax(620px, 1.35fr); align-items: center; gap: 34px; padding-block: 80px; overflow: hidden; }
.about-hero-copy { position: relative; z-index: 2; }
.about-hero h1 { max-width: 620px; margin: 0; font-size: clamp(46px, 4.6vw, 76px); font-weight: 600; letter-spacing: -.055em; line-height: 1.15; }
.about-hero-copy p { max-width: 560px; margin: 32px 0 0; color: var(--muted); font-size: clamp(17px, 1.25vw, 22px); line-height: 1.8; }
.digital-twin { position: relative; width: 104%; margin-left: -2%; aspect-ratio: 1637 / 961; }
.digital-twin::before { position: absolute; z-index: -1; inset: 17% 16%; border-radius: 50%; background: rgba(34,153,162,.1); content: ""; filter: blur(55px); }
.digital-twin > img { width: 100%; height: 100%; object-fit: contain; }
.object-label { position: absolute; display: flex; min-width: 88px; flex-direction: column; align-items: center; gap: 8px; color: var(--ink); font-size: 15px; }
.object-icon { display: grid; width: 62px; height: 62px; place-items: center; border: 1px solid rgba(0,106,112,.45); border-radius: 50%; background: rgba(255,255,255,.93); box-shadow: 0 10px 28px rgba(7,67,74,.12); }
.object-icon svg { width: 29px; fill: none; stroke: var(--teal); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.object-people { top: 4%; left: 17%; }
.object-device { top: 10%; right: 5%; }
.object-reagent { bottom: 3%; left: 9%; }
.object-sample { right: 8%; bottom: 2%; }

.section-heading h2 { margin: 0; font-size: clamp(34px, 3vw, 52px); font-weight: 600; letter-spacing: -.045em; line-height: 1.18; }
.section-heading > p { max-width: 720px; margin: 20px 0 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.company-section { padding: 116px 0; border-block: 1px solid var(--line); background: linear-gradient(135deg, #f8fbfb 0%, #f1f7f7 100%); }
.company-grid { display: grid; grid-template-columns: .75fr 1.15fr .9fr; align-items: center; gap: 72px; }
.company-copy { color: #456066; font-size: 16px; line-height: 1.95; }
.company-copy p { margin: 0 0 17px; }
.company-copy .company-lead { color: var(--ink); font-size: 20px; font-weight: 500; line-height: 1.7; }
.company-visual { position: relative; min-height: 310px; display: grid; place-items: center; overflow: hidden; border-left: 1px solid rgba(0,106,112,.22); }
.company-visual::before, .company-visual::after { position: absolute; width: 280px; height: 280px; border: 1px solid rgba(0,106,112,.17); border-radius: 50%; content: ""; }
.company-visual::after { width: 202px; height: 202px; }
.company-visual > span { position: relative; z-index: 2; display: grid; width: 136px; height: 136px; place-items: center; border: 1px solid rgba(18,165,173,.55); border-radius: 50%; color: var(--teal); background: rgba(255,255,255,.9); font-size: 34px; font-weight: 600; letter-spacing: .02em; box-shadow: 0 25px 65px rgba(0,71,78,.1); }
.company-visual > strong { position: absolute; bottom: 2px; font-size: 14px; font-weight: 500; letter-spacing: .08em; }
.company-lines { position: absolute; inset: 18px; }
.company-lines i { position: absolute; top: 50%; left: 50%; width: 48%; height: 1px; background: linear-gradient(90deg, rgba(18,165,173,.6), transparent); transform-origin: left; }
.company-lines i:nth-child(2) { transform: rotate(90deg); }
.company-lines i:nth-child(3) { transform: rotate(180deg); }
.company-lines i:nth-child(4) { transform: rotate(270deg); }

.foundation-section { padding-block: 130px; }
.foundation-rail { margin-top: 66px; display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.foundation-rail article { position: relative; min-height: 330px; padding: 44px 48px 52px; border-right: 1px solid var(--line); }
.foundation-rail article:last-child { border-right: 0; }
.foundation-rail article::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 4px; background: var(--teal); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.foundation-rail article:hover::after { transform: scaleX(1); }
.rail-index { display: block; margin-bottom: 66px; color: var(--cyan); font-size: 13px; letter-spacing: .12em; }
.foundation-rail h3 { margin: 0 0 27px; font-size: 27px; font-weight: 600; }
.foundation-rail p { margin: 9px 0; color: var(--muted); font-size: 15px; }
.object-system { margin-top: 72px; display: grid; grid-template-columns: auto 1fr auto 1fr minmax(190px, auto) 1fr auto 1fr auto; align-items: center; gap: 20px; }
.object-system span, .object-system strong { min-height: 62px; display: inline-flex; padding: 0 24px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; font-size: 15px; white-space: nowrap; }
.object-system strong { min-height: 78px; border-color: var(--teal); color: #fff; border-radius: 2px; background: var(--teal-dark); font-weight: 600; }
.object-system i { height: 1px; background: linear-gradient(90deg, var(--line), var(--teal), var(--line)); }

.proof-section { padding-block: 118px; color: #fff; background: var(--teal-dark); }
.proof-section .section-heading h2 { color: #fff; }
.proof-rail { margin-top: 60px; display: grid; grid-template-columns: repeat(5, 1fr); border-block: 1px solid rgba(255,255,255,.24); }
.proof-rail article { min-height: 195px; padding: 38px 28px; border-right: 1px solid rgba(255,255,255,.18); }
.proof-rail article:last-child { border-right: 0; }
.proof-rail strong { display: block; color: #d8ffff; font-size: clamp(38px, 4vw, 62px); font-weight: 400; letter-spacing: -.045em; }
.proof-rail span { display: block; margin-top: 22px; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.7; }

.capability-section { padding-block: 130px; }
.capability-flow { margin-top: 64px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; }
.capability-flow article { min-height: 290px; padding: 40px 42px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-flow article span { color: var(--cyan); font-size: 13px; }
.capability-flow article h3 { margin: 66px 0 18px; font-size: 24px; font-weight: 600; }
.capability-flow article p { margin: 0; color: var(--muted); line-height: 1.8; }
.capability-flow > b { display: grid; width: 44px; place-items: center; color: var(--teal); border-block: 1px solid var(--line); font-size: 24px; font-weight: 400; }

.clients-section { padding-block: 126px; border-top: 1px solid var(--line); background: #f7f9f9; }
.client-group { margin-top: 72px; }
.client-group h3 { margin: 0 0 25px; font-size: 18px; font-weight: 600; letter-spacing: .02em; }
.featured-client-logo { display: grid; min-height: 245px; grid-template-columns: minmax(260px, .65fr) 1fr; align-items: center; border: 1px solid var(--line); background: #fff; }
.featured-client-logo img { width: 76%; max-height: 145px; margin: auto; object-fit: contain; }
.featured-client-logo p { height: 100%; margin: 0; display: flex; padding: 46px; flex-direction: column; justify-content: center; border-left: 1px solid var(--line); }
.featured-client-logo strong { font-size: 28px; font-weight: 600; }
.featured-client-logo span { margin-top: 12px; color: var(--muted); }
.client-logo-grid { display: grid; border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: #fff; }
.hospital-logo-grid { grid-template-columns: repeat(5, 1fr); }
.industry-logo-grid { grid-template-columns: repeat(3, 1fr); }
.client-logo-grid figure { min-width: 0; min-height: 210px; margin: 0; display: flex; padding: 28px 24px 22px; flex-direction: column; align-items: center; justify-content: space-between; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.client-logo-grid img { width: 100%; height: 118px; object-fit: contain; }
.client-logo-grid figcaption { min-height: 38px; display: flex; margin-top: 18px; align-items: center; color: #53666b; font-size: 12px; line-height: 1.5; text-align: center; }
.text-logo { justify-content: center !important; }
.text-logo strong { color: var(--teal); font-size: 27px; letter-spacing: .08em; }
.text-logo figcaption { flex-direction: column; }
.text-logo small { display: block; margin-top: 4px; color: #93a1a5; }
.ecosystem-client figure { width: min(420px, 100%); min-height: 180px; margin: 0; display: grid; padding: 34px; place-items: center; border: 1px solid var(--line); background: #fff; }
.ecosystem-client img { width: 78%; max-height: 78px; object-fit: contain; }
.ecosystem-client figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; }

.about-cta { padding-block: 118px; color: #fff; background: #072f36; }
.cta-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; }
.cta-inner h2 { margin: 0; font-size: clamp(38px, 4vw, 64px); font-weight: 500; letter-spacing: -.045em; line-height: 1.22; }
.cta-inner p { margin: 26px 0 0; color: rgba(255,255,255,.67); font-size: 17px; }
.site-footer { padding-top: 78px; color: #cbd5d7; background: #061f24; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 72px; }
.footer-brand img { width: 140px; height: 72px; object-fit: contain; object-position: left center; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 360px; margin: 15px 0 0; color: #91a2a5; font-size: 13px; line-height: 1.7; }
.footer-grid h2 { margin: 8px 0 22px; color: #fff; font-size: 14px; font-weight: 600; }
.footer-grid a { display: block; width: max-content; margin: 13px 0; color: #91a2a5; font-size: 13px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 64px; display: flex; padding-block: 24px; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); color: #71868a; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  :root { --shell: min(100% - 56px, 1120px); }
  .header-inner { grid-template-columns: 150px 1fr auto; gap: 18px; }
  .brand { width: 136px; }
  .site-nav { gap: 19px; }
  .site-nav a { font-size: 13px; }
  .about-hero { grid-template-columns: .8fr 1.2fr; }
  .company-grid { grid-template-columns: .7fr 1.2fr; gap: 52px; }
  .company-visual { grid-column: 2; }
  .hospital-logo-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 860px) {
  :root { --shell: calc(100% - 40px); --header-height: 68px; }
  .header-inner { grid-template-columns: 1fr auto auto; }
  .header-actions .button { display: none; }
  .nav-toggle { display: grid; width: 42px; height: 42px; padding: 10px; place-content: center; gap: 5px; border: 0; background: transparent; }
  .nav-toggle-line { display: block; width: 22px; height: 1px; background: var(--ink); }
  .site-nav { position: fixed; top: var(--header-height); right: 0; left: 0; height: auto; display: none; padding: 18px 20px 28px; align-items: stretch; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 24px 45px rgba(8,48,53,.12); }
  .site-nav.is-open { display: flex; }
  .site-nav a { height: auto; padding: 14px 4px; font-size: 15px; }
  .site-nav a::after { height: 1px; }
  .about-hero { min-height: auto; grid-template-columns: 1fr; gap: 28px; padding-block: 68px 34px; }
  .about-hero h1 { font-size: clamp(43px, 10vw, 64px); }
  .digital-twin { width: 104%; margin-left: -2%; }
  .company-section, .foundation-section, .proof-section, .capability-section, .clients-section { padding-block: 86px; }
  .company-grid { grid-template-columns: 1fr; gap: 38px; }
  .company-visual { grid-column: 1; min-height: 270px; border-top: 1px solid rgba(0,106,112,.22); border-left: 0; }
  .foundation-rail { grid-template-columns: 1fr; }
  .foundation-rail article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .rail-index { margin-bottom: 35px; }
  .object-system { grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .object-system i { display: none; }
  .object-system strong { grid-column: 1 / -1; grid-row: 1; }
  .proof-rail { grid-template-columns: repeat(2, 1fr); }
  .proof-rail article { border-bottom: 1px solid rgba(255,255,255,.18); }
  .proof-rail article:nth-child(2n) { border-right: 0; }
  .capability-flow { grid-template-columns: 1fr; }
  .capability-flow article { min-height: auto; }
  .capability-flow article h3 { margin-top: 32px; }
  .capability-flow > b { width: auto; height: 46px; border: 0; transform: rotate(90deg); }
  .hospital-logo-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .client-logo-grid figure { min-height: 190px; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; gap: 46px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 28px); }
  .brand { width: 124px; }
  .header-actions { gap: 6px; }
  .about-hero { padding-top: 54px; }
  .about-hero h1 { font-size: 42px; }
  .about-hero-copy p { margin-top: 22px; font-size: 16px; }
  .digital-twin { width: 112%; margin-left: -6%; }
  .object-label { min-width: 64px; gap: 5px; font-size: 11px; }
  .object-icon { width: 43px; height: 43px; }
  .object-icon svg { width: 21px; }
  .object-people { top: 0; left: 15%; }
  .object-device { top: 7%; right: 7%; }
  .section-heading h2 { font-size: 34px; }
  .company-copy .company-lead { font-size: 18px; }
  .foundation-rail { margin-top: 42px; }
  .foundation-rail article { padding: 35px 26px 42px; }
  .object-system { grid-template-columns: repeat(2, 1fr); }
  .proof-rail article { min-height: 168px; padding: 30px 20px; }
  .proof-rail strong { font-size: 40px; }
  .capability-flow { margin-top: 42px; }
  .capability-flow article { padding: 34px 26px; }
  .featured-client-logo { min-height: auto; grid-template-columns: 1fr; }
  .featured-client-logo img { width: 70%; max-height: 110px; margin-block: 32px; }
  .featured-client-logo p { padding: 27px; border-top: 1px solid var(--line); border-left: 0; text-align: center; }
  .featured-client-logo strong { font-size: 21px; }
  .hospital-logo-grid, .industry-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .client-logo-grid figure { min-height: 168px; padding: 20px 12px; }
  .client-logo-grid img { height: 93px; }
  .client-logo-grid figcaption { font-size: 10px; }
  .about-cta { padding-block: 86px; }
  .cta-inner h2 { font-size: 39px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
}

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