:root {
  --size-12: 12px;
  --size-14: 14px;
  --size-16: 16px;
  --size-18: 18px;
  --size-20: 20px;
  --size-24: 24px;
  --size-28: 28px;
  --type-caption: var(--size-12);
  --type-control: var(--size-14);
  --type-supporting: var(--size-14);
  --type-body: var(--size-16);
  --type-card-title: var(--size-16);
  --type-section: var(--size-18);
  --type-panel: var(--size-20);
  --type-page: var(--size-24);
  --type-display: var(--size-28);
  --bg: #f7fbfe;
  --surface: #ffffff;
  --surface-soft: #eef6fb;
  --surface-cyan: #eafcff;
  --text: #082136;
  --text-soft: #4e6475;
  --text-faint: #728696;
  --line: #dce9f1;
  --line-strong: #c7dce8;
  --primary: #10a9de;
  --primary-strong: #078bc1;
  --aqua: #38d5c8;
  --navy: #0a1d31;
  --navy-soft: #102b45;
  --shadow: 0 22px 58px rgba(31, 87, 118, .12);
  --shadow-soft: 0 10px 30px rgba(31, 87, 118, .08);
  --radius-lg: 28px;
  --radius: 20px;
  --radius-sm: 14px;
  --max: 1180px;
  --font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: var(--font-family); font-size: var(--type-body); line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 3px solid rgba(16, 169, 222, .38); outline-offset: 3px; }

.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section { padding: 76px 0; }
.section--soft { background: var(--surface-soft); }
.section--white { background: var(--surface); }
.section--navy { color: #fff; background: var(--navy); }
.section--compact { padding: 52px 0; }
.eyebrow { margin: 0 0 12px; color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow--light { color: #8de8df; }
.display, .page-title, .section-title, .panel-title { margin: 0; color: var(--text); line-height: 1.3; }
.display { max-width: 650px; font-size: var(--type-display); font-weight: 800; letter-spacing: -.035em; }
.display em { color: var(--primary-strong); font-style: normal; }
.page-title { max-width: 720px; font-size: var(--type-page); font-weight: 800; letter-spacing: -.025em; }
.section-title { max-width: 720px; font-size: var(--type-section); font-weight: 800; }
.panel-title { font-size: var(--type-panel); font-weight: 800; }
.section--navy .section-title, .section--navy .panel-title { color: #fff; }
.lede { max-width: 680px; margin: 18px 0 0; color: var(--text-soft); font-size: var(--type-body); line-height: 1.7; }
.lede--light { color: #c7d7e4; }
.supporting { color: var(--text-soft); font-size: var(--type-supporting); line-height: 1.65; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 34px; }
.section-head > p { max-width: 450px; margin: 0; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(199, 220, 232, .82); background: rgba(247, 251, 254, .94); backdrop-filter: blur(16px); }
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.brand span { display: grid; gap: 1px; }
.brand strong { font-size: var(--type-card-title); line-height: 1.35; }
.brand small { color: var(--text-faint); font-size: var(--type-caption); font-weight: 700; letter-spacing: .08em; line-height: 1.35; }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--text-soft); font-size: var(--type-control); font-weight: 700; }
.nav-links a { min-height: 44px; display: inline-flex; align-items: center; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); border-color: var(--primary); }
.nav-links .nav-cta { min-height: 44px; padding: 0 18px; border: 1px solid var(--primary-strong); border-radius: 999px; color: #fff; background: var(--primary-strong); }
.nav-links .nav-cta:hover { border-color: var(--navy); color: #fff; background: var(--navy); }
.language-toggle { min-width: 48px; min-height: 36px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text-soft); background: var(--surface); font-size: var(--type-caption); font-weight: 800; letter-spacing: .04em; cursor: pointer; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.language-toggle:hover { border-color: var(--primary); color: var(--primary-strong); background: var(--surface-cyan); }
.menu-button { display: none; min-width: 48px; min-height: 44px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); background: var(--surface); cursor: pointer; }

.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text); background: var(--surface); font-size: var(--type-control); font-weight: 800; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); border-color: var(--primary); }
.button--primary { border-color: var(--primary-strong); color: #fff; background: var(--primary-strong); }
.button--primary:hover { border-color: var(--navy); background: var(--navy); }
.button--light { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.button--light:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.button--block { width: 100%; margin-top: 22px; }
.text-link { min-height: 40px; display: inline-flex; align-items: center; gap: 7px; margin-top: 18px; color: var(--primary-strong); font-size: var(--type-control); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }

.hero { position: relative; overflow: hidden; padding: 58px 0 68px; background: var(--surface); }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(16, 169, 222, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 169, 222, .055) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, #000 42%, transparent 94%); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr); gap: 54px; align-items: center; }
.hero-copy { padding: 24px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-points span { padding: 7px 11px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text-soft); background: rgba(255,255,255,.78); font-size: var(--type-caption); font-weight: 700; }
.hero-media { position: relative; min-height: 500px; overflow: hidden; border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--navy) 0%, #0d3351 34%, #071722 68%, #11100f 100%); box-shadow: var(--shadow); }
.hero-media::before { content: ""; position: absolute; inset: 9% 8% auto auto; width: 300px; aspect-ratio: 1; border: 1px solid rgba(56, 213, 200, .28); border-radius: 50%; box-shadow: 0 0 0 48px rgba(56, 213, 200, .055), 0 0 0 96px rgba(16, 169, 222, .04); }
.hero-media img { position: absolute; z-index: 1; inset: 0 0 0 auto; width: 68%; height: 100%; object-fit: cover; object-position: center; -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.32) 8%, #000 22%); mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.32) 8%, #000 22%); }
.hero-media-copy { position: absolute; z-index: 2; left: 28px; bottom: 28px; max-width: 190px; color: #fff; }
.hero-media-copy strong { display: block; margin-bottom: 6px; font-size: var(--type-panel); }
.hero-media-copy span { color: #b9d2e3; font-size: var(--type-supporting); }
.hero-media-badge { position: absolute; z-index: 2; top: 24px; left: 26px; color: #8de8df; font-size: var(--type-caption); font-weight: 800; letter-spacing: .1em; }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { position: relative; min-height: 214px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-soft); }
.value-card::before { content: attr(data-index); display: block; margin-bottom: 34px; color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .1em; }
.value-card h3 { margin: 0 0 8px; font-size: var(--type-card-title); line-height: 1.5; }
.value-card p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); line-height: 1.65; }

.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-soft); }
.product-card__image { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-soft); }
.product-card__image img { width: 100%; height: 100%; object-fit: cover; }
.product-card__tag { position: absolute; top: 16px; left: 16px; padding: 6px 10px; border-radius: 999px; color: var(--text); background: rgba(255,255,255,.9); font-size: var(--type-caption); font-weight: 800; }
.product-card__body { padding: 26px; }
.product-card h3 { margin: 0; font-size: var(--type-panel); line-height: 1.4; }
.product-card p { margin: 10px 0 0; color: var(--text-soft); font-size: var(--type-supporting); line-height: 1.65; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 17px; }
.facts span { padding: 6px 9px; border-radius: 8px; color: var(--primary-strong); background: var(--surface-cyan); font-size: var(--type-caption); font-weight: 700; }
.compact-list { margin: 12px 0 0; padding-left: 20px; color: var(--text-soft); font-size: var(--type-supporting); }
.compact-list li + li { margin-top: 7px; }
.product-facts { margin: 20px 0 0; border-top: 1px solid var(--line); }
.product-facts div { display: grid; grid-template-columns: 94px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.product-facts dt { color: var(--text-faint); font-size: var(--type-supporting); }
.product-facts dd { margin: 0; color: var(--text); font-size: var(--type-supporting); }

.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
.spec-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-soft); }
.spec-card--featured { border-color: #91d8ed; box-shadow: 0 18px 42px rgba(7, 139, 193, .13); }
.spec-card__head > span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .1em; }
.spec-card__head h3 { margin: 18px 0 5px; font-size: var(--type-panel); }
.spec-card__head p { min-height: 46px; margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }
.spec-vitals { display: grid; gap: 3px; margin: 22px -26px 0; padding: 18px 26px; color: #fff; background: var(--navy); }
.spec-vitals strong { font-size: var(--type-card-title); }
.spec-vitals span { color: #a8d9e9; font-size: var(--type-caption); }
.spec-list { margin: 0; }
.spec-list div { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: var(--text-faint); font-size: var(--type-supporting); }
.spec-list dd { margin: 0; color: var(--text); font-size: var(--type-supporting); font-weight: 700; text-align: right; }
.spec-note { margin: 20px 0 0; color: var(--text-soft); font-size: var(--type-supporting); }

.delivery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.delivery-grid article { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.delivery-grid span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; }
.delivery-grid h3 { margin: 26px 0 8px; font-size: var(--type-card-title); }
.delivery-grid p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }

.module-strip { display: grid; grid-template-columns: .95fr 1.05fr; gap: 34px; align-items: center; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.module-series { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.module-series article { min-height: 170px; padding: 20px; border-right: 1px solid var(--line); background: var(--surface-soft); }
.module-series article:last-child { border-right: 0; }
.module-series span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .08em; }
.module-series h3 { margin: 28px 0 7px; font-size: var(--type-card-title); line-height: 1.45; }
.module-series p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); line-height: 1.6; }

.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.scene-card { display: grid; grid-template-rows: auto 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.scene-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.scene-card__body { padding: 22px; }
.scene-card h3 { margin: 0 0 8px; font-size: var(--type-card-title); }
.scene-card p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); line-height: 1.65; }
.scene-result { margin-top: 16px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--text); font-size: var(--type-supporting); font-weight: 700; }

.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); overflow: hidden; }
.pipeline-step { min-height: 205px; padding: 24px; border-right: 1px solid rgba(255,255,255,.18); }
.pipeline-step:last-child { border-right: 0; }
.pipeline-step span { color: #8de8df; font-size: var(--type-caption); font-weight: 800; letter-spacing: .08em; }
.pipeline-step h3 { margin: 34px 0 8px; color: #fff; font-size: var(--type-card-title); }
.pipeline-step p { margin: 0; color: #bdd0de; font-size: var(--type-supporting); line-height: 1.65; }

.boundary-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 44px; align-items: stretch; }
.boundary-lead { padding: 30px; border-radius: var(--radius-lg); color: #fff; background: var(--navy); }
.boundary-lead .panel-title { color: #fff; }
.boundary-lead p { margin: 14px 0 0; color: #c5d7e3; font-size: var(--type-supporting); }
.boundary-list { border-top: 1px solid var(--line); }
.boundary-row { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.boundary-row strong { font-size: var(--type-card-title); }
.boundary-row span { color: var(--text-soft); font-size: var(--type-supporting); }

.contact-card { display: grid; grid-template-columns: minmax(0, 1fr) 190px; gap: 46px; align-items: center; padding: 38px; border-radius: var(--radius-lg); color: #fff; background: var(--navy); box-shadow: var(--shadow); }
.contact-card h2 { margin: 0; color: #fff; font-size: var(--type-page); line-height: 1.4; }
.contact-card p { max-width: 600px; margin: 12px 0 0; color: #c2d4e1; font-size: var(--type-supporting); }
.qr { width: 160px; padding: 10px; border-radius: var(--radius-sm); background: #fff; }
.qr img { width: 100%; }
.qr-label { display: block; margin-top: 8px; color: #c5d7e3; font-size: var(--type-caption); text-align: center; }

.action-banner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 36px; align-items: center; padding: 38px; border-radius: var(--radius-lg); color: #fff; background: var(--navy); box-shadow: var(--shadow); }
.action-banner h2 { margin: 0; color: #fff; font-size: var(--type-page); line-height: 1.4; }
.action-banner p { max-width: 720px; margin: 12px 0 0; color: #c2d4e1; font-size: var(--type-supporting); }
.action-banner__actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; max-width: 390px; }

.page-hero { padding: 58px 0 52px; border-bottom: 1px solid var(--line); background: var(--surface); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 50px; align-items: center; }
.page-hero-panel { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-soft); }
.page-hero-panel strong { display: block; margin-bottom: 8px; font-size: var(--type-card-title); }
.page-hero-panel span { color: var(--text-soft); font-size: var(--type-supporting); }
.page-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.page-meta span { padding: 6px 10px; border-radius: 999px; color: var(--primary-strong); background: var(--surface-cyan); font-size: var(--type-caption); font-weight: 800; }

.detail-list { border-top: 1px solid var(--line); }
.detail-row { display: grid; grid-template-columns: 160px minmax(0, .8fr) minmax(0, 1.2fr); gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.detail-row > span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .08em; }
.detail-row h2, .detail-row h3 { margin: 0; font-size: var(--type-card-title); line-height: 1.5; }
.detail-row p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); line-height: 1.65; }

.architecture { display: grid; grid-template-columns: 220px 1fr; gap: 36px; }
.architecture-aside { align-self: start; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.architecture-aside p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }
.architecture-layers { display: grid; gap: 10px; }
.architecture-layer { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: center; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.architecture-layer strong { font-size: var(--type-card-title); }
.architecture-layer span { color: var(--text-soft); font-size: var(--type-supporting); }
.architecture-layer--accent { border-color: #9edcef; background: var(--surface-cyan); }

.lab-platform { display: grid; grid-template-columns: 1.05fr .95fr; gap: 26px; align-items: stretch; }
.lab-console { min-height: 520px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 32px; border-radius: var(--radius-lg); color: #fff; background: radial-gradient(circle at 72% 25%, rgba(16,169,222,.26), transparent 34%), linear-gradient(145deg, var(--navy), #102e48); box-shadow: var(--shadow); }
.lab-console__top { display: grid; gap: 5px; }
.lab-console__top span { color: #8de8df; font-size: var(--type-caption); font-weight: 800; letter-spacing: .08em; }
.lab-console__top strong { font-size: var(--type-panel); }
.lab-console__wave { height: 170px; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 0 8px; border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.lab-console__wave i { width: 5px; height: 22%; border-radius: 999px; background: linear-gradient(#8de8df, var(--primary)); }
.lab-console__wave i:nth-child(3n) { height: 70%; }
.lab-console__wave i:nth-child(4n) { height: 44%; }
.lab-console__wave i:nth-child(5n) { height: 88%; }
.lab-console__metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.lab-console__metrics div { padding: 16px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-sm); background: rgba(255,255,255,.04); }
.lab-console__metrics span { display: block; color: #a9bfce; font-size: var(--type-caption); }
.lab-console__metrics strong { display: block; margin-top: 5px; font-size: var(--type-card-title); }
.lab-capabilities { display: grid; gap: 12px; }
.lab-capabilities article { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-soft); }
.lab-capabilities article > span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; }
.lab-capabilities h3 { margin: 0 0 6px; font-size: var(--type-card-title); }
.lab-capabilities p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.team-grid article { padding: 24px; border-top: 4px solid var(--primary); border-radius: 0 0 var(--radius) var(--radius); background: var(--surface); box-shadow: var(--shadow-soft); }
.team-grid span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; }
.team-grid h3 { margin: 26px 0 8px; font-size: var(--type-card-title); }
.team-grid p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }

.evidence-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); overflow: hidden; }
.evidence-grid article { min-height: 240px; padding: 24px; border-right: 1px solid rgba(255,255,255,.18); }
.evidence-grid article:last-child { border-right: 0; }
.evidence-grid span { color: #8de8df; font-size: var(--type-caption); font-weight: 800; }
.evidence-grid h3 { margin: 38px 0 8px; color: #fff; font-size: var(--type-card-title); }
.evidence-grid p { margin: 0; color: #bdd0de; font-size: var(--type-supporting); }

.field-proof { display: grid; grid-template-columns: .72fr 1.28fr; gap: 30px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface-soft); }
.field-proof__lead { padding: 26px; border-radius: var(--radius); color: #fff; background: var(--navy); }
.field-proof__lead > strong { font-size: var(--type-panel); }
.field-proof__lead p { margin: 12px 0 0; color: #c5d7e3; font-size: var(--type-supporting); }
.field-proof dl { margin: 0; }
.field-proof dl div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.field-proof dl div:last-child { border-bottom: 0; }
.field-proof dt { font-size: var(--type-card-title); font-weight: 800; }
.field-proof dd { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }

.contact-form { display: grid; grid-template-columns: .72fr 1.28fr; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.contact-form__intro { padding: 38px; color: #fff; background: var(--navy); }
.contact-form__intro h2 { margin: 0; font-size: var(--type-page); line-height: 1.4; }
.contact-form__intro > p:not(.eyebrow) { margin: 14px 0 0; color: #c5d7e3; font-size: var(--type-supporting); }
.contact-expectation { display: grid; gap: 6px; margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); }
.contact-expectation strong { font-size: var(--type-card-title); }
.contact-expectation span { color: #c5d7e3; font-size: var(--type-supporting); }
.contact-form__fields { display: grid; gap: 18px; padding: 38px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-field { display: grid; gap: 7px; color: var(--text); font-size: var(--type-control); font-weight: 700; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); background: var(--surface); font-family: var(--font-family); font-size: var(--type-body); line-height: 1.5; }
.form-field textarea { min-height: 150px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--primary-strong); outline: 3px solid rgba(16,169,222,.16); }
.form-field small { color: var(--text-faint); font-size: var(--type-caption); font-weight: 400; text-align: right; }
.bot-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.challenge-row { padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.challenge-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 7px; font-size: var(--type-control); font-weight: 700; }
.challenge-question { color: var(--primary-strong); font-size: var(--type-panel); font-weight: 800; }
.challenge-refresh { min-height: 40px; padding: 0 10px; border: 0; border-radius: 8px; color: var(--primary-strong); background: var(--surface); font-size: var(--type-control); font-weight: 800; cursor: pointer; }
.form-submit-row { display: flex; align-items: center; gap: 16px; }
.form-submit-row .button { flex: 0 0 auto; }
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }
.form-status { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }
.form-status--success { color: #087c5c; font-weight: 700; }
.form-status--error { color: #ad2f2f; font-weight: 700; }

.deployment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.deployment-card { min-height: 240px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.deployment-card > span { color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .08em; }
.deployment-card h2, .deployment-card h3 { margin: 34px 0 9px; font-size: var(--type-card-title); }
.deployment-card p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }

.cooperate-steps { counter-reset: step; border-top: 1px solid var(--line); }
.cooperate-step { display: grid; grid-template-columns: 70px .72fr 1.28fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.cooperate-step::before { counter-increment: step; content: "0" counter(step); color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; }
.cooperate-step h2 { margin: 0; font-size: var(--type-card-title); }
.cooperate-step p { margin: 0; color: var(--text-soft); font-size: var(--type-supporting); }

.company-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; }
.company-statement { padding: 30px; border-radius: var(--radius-lg); color: #fff; background: var(--navy); }
.company-statement h2 { margin: 0; color: #fff; font-size: var(--type-page); line-height: 1.45; }
.company-statement p { margin: 14px 0 0; color: #c5d7e3; font-size: var(--type-supporting); }
.company-facts { border-top: 1px solid var(--line); }
.company-facts div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.company-facts dt { color: var(--text-faint); font-size: var(--type-supporting); }
.company-facts dd { margin: 0; font-size: var(--type-body); }

.site-footer { border-top: 1px solid rgba(255,255,255,.14); color: #b9cad7; background: var(--navy); }
.footer-main { min-height: 120px; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }
.footer-brand strong { display: block; color: #fff; font-size: var(--type-card-title); }
.footer-brand span { color: #9eb5c6; font-size: var(--type-caption); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; font-size: var(--type-control); }
.footer-links a { min-height: 40px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.12); font-size: var(--type-caption); }

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

@media (max-width: 960px) {
  .nav { justify-content: flex-start; gap: 10px; }
  .nav .brand { margin-right: auto; }
  .menu-button { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links { position: fixed; inset: 74px 0 auto; display: grid; gap: 0; padding: 14px 20px 20px; border-bottom: 1px solid var(--line-strong); background: var(--bg); transform: translateY(-125%); transition: transform .24s ease; }
  .nav-links.open { transform: none; }
  .nav-links a { border-bottom: 1px solid var(--line); }
  .nav > .language-toggle { min-height: 44px; margin: 0; }
  .nav-links .nav-cta { justify-content: center; margin-top: 12px; border-bottom: 1px solid var(--primary-strong); }
  .hero-grid, .page-hero-grid, .boundary-grid, .company-grid { grid-template-columns: 1fr; }
  .hero-media { min-height: 450px; }
  .hero-media img { width: 68%; -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.38) 8%, #000 22%); mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.38) 8%, #000 22%); }
  .section-head { display: block; }
  .section-head > p { margin-top: 14px; }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .pipeline-step:nth-child(2) { border-right: 0; }
  .pipeline-step:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.18); }
  .module-strip, .architecture, .lab-platform, .contact-form, .field-proof { grid-template-columns: 1fr; }
  .architecture-aside { position: static; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-card__head p { min-height: auto; }
  .delivery-grid, .team-grid, .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .evidence-grid article:nth-child(2) { border-right: 0; }
  .evidence-grid article:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.18); }
  .action-banner { grid-template-columns: 1fr; }
  .action-banner__actions { justify-content: flex-start; max-width: none; }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 58px 0; }
  .brand small { display: none; }
  .hero { padding: 42px 0 54px; }
  .hero-grid { gap: 34px; }
  .hero-media { min-height: 390px; }
  .hero-media img { right: -6%; left: auto; width: 82%; object-position: center; -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.48) 7%, #000 20%); mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.48) 7%, #000 20%); }
  .hero-media-copy { max-width: 140px; }
  .value-grid, .product-grid, .scene-grid, .deployment-grid, .module-series, .pipeline, .delivery-grid, .team-grid, .evidence-grid { grid-template-columns: 1fr; }
  .value-card { min-height: auto; }
  .module-strip { padding: 22px; }
  .module-series article, .pipeline-step { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .pipeline-step { border-color: rgba(255,255,255,.18); }
  .module-series article:last-child, .pipeline-step:last-child { border-bottom: 0; }
  .detail-row, .architecture-layer, .cooperate-step { grid-template-columns: 1fr; gap: 10px; }
  .boundary-row { grid-template-columns: 1fr; gap: 7px; }
  .contact-card { grid-template-columns: 1fr; padding: 28px; }
  .action-banner, .contact-form__intro, .contact-form__fields { padding: 28px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-submit-row { align-items: stretch; flex-direction: column; }
  .form-submit-row .button { width: 100%; }
  .lab-console { min-height: 440px; padding: 24px; }
  .lab-console__metrics { grid-template-columns: 1fr; }
  .evidence-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .evidence-grid article:nth-child(n+3) { border-top: 0; }
  .evidence-grid article:last-child { border-bottom: 0; }
  .field-proof dl div { grid-template-columns: 1fr; gap: 6px; }
  .qr { width: 150px; }
  .company-facts div { grid-template-columns: 1fr; gap: 4px; }
  .footer-main { grid-template-columns: 1fr; padding: 30px 0; }
  .footer-links { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; gap: 5px; }
}

/* 声学实验室页（acoustic.html） */
.lab-photo { min-height: 480px; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 2px dashed var(--line-strong); border-radius: var(--radius-lg); background: repeating-linear-gradient(45deg, #f0f7fc 0 16px, #fafdff 16px 32px); text-align: center; }
.lab-photo img { width: 100%; height: 100%; min-height: 480px; object-fit: cover; }
.lab-photo__note { color: var(--text-faint); font-size: var(--type-supporting); font-weight: 700; line-height: 1.9; }
.lab-photo__note small { font-size: var(--type-caption); font-weight: 400; }
.evidence-grid--three { grid-template-columns: repeat(3, 1fr); }
.quality-gates { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.quality-gates span { padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--text-soft); background: #fff; font-size: var(--type-caption); font-weight: 700; }
.envelope-chart { padding: 24px 20px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.envelope-svg { display: block; width: 100%; height: auto; }
.envelope-svg text { font-size: var(--type-caption); font-weight: 700; fill: var(--primary-strong); }
.envelope-svg .series-letter { font-size: var(--type-control); font-weight: 900; }
.envelope-legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 10px; color: var(--text-soft); font-size: var(--type-caption); font-weight: 700; }
.envelope-legend i { display: inline-block; width: 10px; height: 10px; margin-right: 6px; border-radius: 50%; }
.envelope-legend .dot-n { background: #38d5c8; }
.envelope-legend .dot-b { background: #10a9de; }
.envelope-legend .dot-s { background: #0a1d31; }
.benchmark-block { margin-top: 28px; }
.language-benchmarks { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); overflow: hidden; background: rgba(255,255,255,.72); }
.language-benchmark { padding: 16px 18px; }
.language-benchmark:not(:first-child) { border-left: 1px solid var(--line-strong); }
.language-benchmark b { display: block; font-size: var(--type-supporting); }
.language-benchmark span { display: block; margin-top: 4px; color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; }

@media (max-width: 960px) {
  .evidence-grid--three { grid-template-columns: repeat(2, 1fr); }
  .language-benchmarks { grid-template-columns: repeat(2, 1fr); }
  .language-benchmark:nth-child(3) { border-left: 0; }
  .language-benchmark:nth-child(n+3) { border-top: 1px solid var(--line-strong); }
  .lab-photo, .lab-photo img { min-height: 380px; }
}
@media (max-width: 680px) {
  .evidence-grid--three { grid-template-columns: 1fr; }
  .language-benchmarks { grid-template-columns: 1fr; }
  .language-benchmark:not(:first-child) { border-left: 0; border-top: 1px solid var(--line-strong); }
  .lab-photo, .lab-photo img { min-height: 300px; }
}

/* 产品页：终端状态行、规格拆分与平台板块（products.html） */
.product-status { display: flex; align-items: center; gap: 8px; margin: 14px 0 0; color: var(--primary-strong); font-size: var(--type-caption); font-weight: 800; letter-spacing: .04em; }
.product-status::before { content: ""; flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: var(--aqua); }
.spec-list--split div { display: grid; grid-template-columns: 1fr 84px 84px; gap: 12px; align-items: baseline; }
.spec-list--split .spec-col-head { padding: 8px 0; border-bottom: 1px solid var(--line-strong); }
.spec-list--split .spec-col-head span { color: var(--text-faint); font-size: var(--type-caption); font-weight: 700; text-align: right; }
.spec-list--split .spec-col-head span:first-child { text-align: left; }
.spec-list--split .spec-col-head .head-measured { color: var(--primary-strong); }
.spec-measured { color: var(--primary-strong); font-weight: 800; }
.spec-measured--pending { color: var(--text-faint); font-weight: 400; }
.spec-target { color: var(--text-soft); font-weight: 700; }
.spec-card__foot { margin: 14px 0 0; color: var(--text-faint); font-size: var(--type-caption); line-height: 1.6; }
.platform-cards { margin-top: 18px; }

@media (max-width: 680px) {
  .spec-list--split div { grid-template-columns: 1fr 72px 72px; gap: 8px; }
}

/* 实验室照片轮播（acoustic.html） */
.lab-carousel { position: relative; }
.lab-carousel__viewport { overflow: hidden; border-radius: var(--radius-lg); }
.lab-carousel__track { display: flex; transition: transform .45s cubic-bezier(.16, 1, .3, 1); }
.lab-carousel__slide { flex: 0 0 100%; min-width: 0; margin: 0; }
.lab-carousel__slide .lab-photo { height: 100%; border-radius: 0; }
.lab-carousel__slide img { display: block; width: 100%; height: 480px; object-fit: cover; }
.lab-carousel__arrow { position: absolute; z-index: 2; top: 50%; width: 44px; height: 44px; margin: 0; padding: 0; border: 0; border-radius: 50%; color: #fff; background: rgba(10, 29, 49, .72); font-size: 24px; line-height: 44px; text-align: center; cursor: pointer; transform: translateY(-50%); }
.lab-carousel__arrow:hover { background: var(--navy); }
.lab-carousel__arrow--prev { left: 14px; }
.lab-carousel__arrow--next { right: 14px; }
.lab-carousel__arrow[hidden], .lab-carousel__dots[hidden] { display: none; }
.lab-carousel__dots { position: absolute; z-index: 2; left: 0; right: 0; bottom: 14px; display: flex; justify-content: center; gap: 6px; }
.lab-carousel__dots button { width: 22px; height: 22px; padding: 6px; border: 0; border-radius: 50%; background: rgba(10, 29, 49, .3) content-box; background-clip: content-box; cursor: pointer; }
.lab-carousel__dots button[aria-current="true"] { background-color: var(--primary-strong); }

@media (max-width: 960px) {
  .lab-carousel__slide img { height: 380px; }
}
@media (max-width: 680px) {
  .lab-carousel__slide img { height: 300px; }
}