:root {
  --ink: #10262d;
  --muted: #64777c;
  --line: #dbe4e5;
  --soft: #f3f6f6;
  --teal: #008b8f;
  --teal-dark: #006b70;
  --navy: #102a32;
  --white: #fff;
  --shell: min(1240px, calc(100% - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 130px; }
body { margin: 0; background: #fff; color: var(--ink); font-family: Arial, "Microsoft YaHei", sans-serif; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, summary { font: inherit; }
.shell { width: var(--shell); margin: 0 auto; }
.section { padding: 108px 0; }
.section-kicker, .kicker { margin: 0 0 18px; color: var(--teal-dark); font-size: 11px; font-weight: 900; letter-spacing: .18em; }
.section-kicker.light { color: #6bd0d2; }
.kicker { display: flex; align-items: center; gap: 12px; }
.kicker span { width: 34px; height: 2px; background: var(--teal); }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 0 25px; border: 1px solid transparent; font-size: 14px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: #fff; }
.button-primary:hover { background: var(--teal-dark); }
.button-outline { border-color: #a1b1b4; background: rgba(255,255,255,.35); }
.button-white { background: #fff; color: var(--navy); }
.text-link { color: #9de4e5; font-size: 13px; font-weight: 800; }
.text-link.dark { color: var(--teal-dark); }
.text-link span { margin-left: 12px; }

.utility-bar { background: #0d2229; color: #a9bec2; font-size: 11px; letter-spacing: .05em; }
.utility-inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; }
.utility-inner > div { display: flex; align-items: center; gap: 26px; }
.utility-inner a { color: #fff; font-weight: 800; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid #e4eaea; background: rgba(255,255,255,.97); backdrop-filter: blur(14px); }
.header-inner { height: 82px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex: 0 0 auto; }
.brand-logo { width: 112px; height: 72px; object-fit: contain; }
.brand-symbol { width: 46px; height: 46px; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; background: var(--teal); }
.brand-symbol i { display: grid; place-items: center; color: #fff; font-size: 14px; font-style: normal; font-weight: 900; }
.brand-symbol i:first-child { background: var(--navy); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { font-size: 25px; letter-spacing: -.05em; }
.brand-copy small { margin-top: 8px; color: #708287; font-size: 8px; letter-spacing: .16em; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(16px, 2.1vw, 31px); }
.desktop-nav a { position: relative; padding: 31px 0 27px; color: #32484e; font-size: 14px; white-space: nowrap; }
.desktop-nav a:after { position: absolute; right: 0; bottom: 20px; left: 0; height: 2px; content: ""; background: var(--teal); transform: scaleX(0); transition: transform .2s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--teal-dark); }
.desktop-nav a:hover:after, .desktop-nav a.active:after { transform: scaleX(1); }
.header-contact { min-height: 46px; display: inline-flex; align-items: center; gap: 14px; padding-left: 18px; border-left: 1px solid var(--line); color: var(--teal-dark); font-size: 14px; font-weight: 800; white-space: nowrap; }
.header-contact span { font-size: 20px; }
.mobile-nav { display: none; margin-left: auto; }

.home-hero { position: relative; min-height: 710px; overflow: hidden; background: linear-gradient(108deg, #edf3f3 0 47%, #dce7e8 47% 100%); }
.home-hero:before { position: absolute; top: 0; left: 0; width: 48%; height: 6px; content: ""; background: var(--teal); }
.hero-grid-lines, .page-grid, .product-hero-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(17,44,52,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(17,44,52,.18) 1px, transparent 1px); background-size: 84px 84px; }
.home-hero-inner { position: relative; min-height: 710px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 54px; z-index: 1; }
.hero-copy { padding: 72px 0; }
.hero-copy h1 { margin: 0; color: #10262d; font-size: clamp(44px, 4.35vw, 66px); line-height: 1.12; letter-spacing: -.055em; }
.hero-copy h1 em { color: var(--teal-dark); font-style: normal; }
.hero-lead { max-width: 610px; margin: 28px 0 34px; color: #51666c; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-proof { max-width: 580px; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 50px; border-top: 1px solid #c7d3d5; }
.hero-proof div { padding: 19px 14px 0 0; }
.hero-proof strong, .hero-proof span { display: block; }
.hero-proof strong { font-size: 20px; }
.hero-proof span { margin-top: 2px; color: #718488; font-size: 11px; }
.hero-visual { position: relative; min-width: 0; padding: 50px 0 55px 30px; }
.visual-label { display: flex; align-items: end; justify-content: space-between; margin: 0 15px 14px 0; }
.visual-label span { color: #61757a; font-size: 10px; font-weight: 900; letter-spacing: .17em; }
.visual-label b { color: var(--teal-dark); font-size: 13px; }
.board-stage { position: relative; min-height: 440px; display: grid; place-items: center; padding: 24px; background: #fff; box-shadow: 0 30px 70px rgba(16,38,45,.16); }
.board-stage:after { position: absolute; inset: 11px; content: ""; border: 1px solid #e1e8e9; pointer-events: none; }
.board-stage img { width: 100%; height: 400px; object-fit: contain; }
.floating-spec { position: absolute; min-width: 190px; padding: 15px 18px; background: var(--navy); color: #fff; box-shadow: 0 16px 36px rgba(16,38,45,.2); }
.floating-spec small, .floating-spec b { display: block; }
.floating-spec small { color: #72cfd1; font-size: 8px; letter-spacing: .16em; }
.floating-spec b { margin-top: 4px; font-size: 12px; }
.floating-top { top: 122px; right: -16px; }
.floating-bottom { bottom: 80px; left: 3px; }
.quick-strip { background: var(--navy); color: #fff; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.quick-grid > div { min-height: 112px; display: grid; grid-template-columns: 30px 1fr; align-content: center; column-gap: 10px; padding: 20px 24px; border-left: 1px solid rgba(255,255,255,.11); }
.quick-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.11); }
.quick-grid span { grid-row: 1 / 3; color: #5ec8ca; font-size: 10px; font-weight: 900; }
.quick-grid b { font-size: 14px; }
.quick-grid small { color: #789096; font-size: 9px; letter-spacing: .1em; }

.intro-section { background: #fff; }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: end; }
.split-heading h2, .section-heading-row h2, .catalog-heading h2, .overview-grid h2, .contact-band h2 { margin: 0; font-size: clamp(32px, 3vw, 46px); line-height: 1.25; letter-spacing: -.04em; }
.split-heading > div:last-child > p { margin: 0 0 22px; color: var(--muted); font-size: 16px; }
.system-chain { padding: 84px 0 92px; overflow: hidden; background: var(--navy); color: #fff; }
.chain-heading { display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: end; }
.chain-heading h2 { max-width: 620px; margin: 0; font-size: clamp(31px, 3vw, 45px); line-height: 1.25; letter-spacing: -.04em; }
.chain-heading > p { margin: 0; color: #9bb0b4; }
.chain-flow { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 48px; border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); }
.chain-flow article { position: relative; min-height: 210px; padding: 24px; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.chain-flow article:not(:last-child):after { position: absolute; top: 50%; right: -9px; z-index: 2; width: 17px; height: 17px; display: grid; place-items: center; content: "›"; border-radius: 50%; background: var(--teal); color: #fff; font-size: 16px; line-height: 1; transform: translateY(-50%); }
.chain-flow span { color: #62ccce; font-size: 10px; font-weight: 900; }
.chain-flow small, .chain-flow b, .chain-flow p { display: block; }
.chain-flow small { margin-top: 52px; color: #708a90; font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.chain-flow b { margin-top: 6px; font-size: 17px; }
.chain-flow p { margin: 4px 0 0; color: #9bb0b4; font-size: 10px; }
.chain-flow .chain-core { background: var(--teal); }
.chain-flow .chain-core span, .chain-flow .chain-core small, .chain-flow .chain-core p { color: #d8f4f4; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 60px; margin-bottom: 44px; }
.section-heading-row > p { max-width: 430px; margin: 0; color: var(--muted); }
.products-preview { background: #f3f6f6; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #d3ddde; border-left: 1px solid #d3ddde; }
.product-card { min-height: 525px; display: flex; flex-direction: column; padding: 28px; border-right: 1px solid #d3ddde; border-bottom: 1px solid #d3ddde; transition: background .2s ease, transform .2s ease; }
.product-card:hover { background: #fff; transform: translateY(-4px); }
.product-card-top { display: flex; justify-content: space-between; }
.product-card-top span { color: var(--teal); font-size: 11px; font-weight: 900; }
.product-card-top small { color: #8c9a9d; font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.product-graphic { position: relative; height: 145px; display: grid; place-items: center; margin: 30px 0 22px; }
.product-graphic i { position: absolute; display: block; border: 2px solid #8fb6b8; border-radius: 50%; }
.product-graphic i:nth-child(1) { width: 142px; height: 142px; }
.product-graphic i:nth-child(2) { width: 90px; height: 90px; border-color: var(--teal); }
.product-graphic i:nth-child(3) { width: 36px; height: 36px; border: 8px solid #fff; background: var(--navy); box-shadow: 0 0 0 2px var(--navy); }
.graphic-02 i { border-radius: 2px; transform: rotate(45deg); }
.graphic-03 i:first-child { border-style: dashed; }
.product-card h3 { margin: 0 0 12px; font-size: 23px; }
.product-card > p { margin: 0; color: var(--muted); font-size: 13px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 20px 0; }
.tag-row span { padding: 4px 9px; background: #e2eaea; color: #526a6f; font-size: 9px; font-weight: 800; }
.product-card > a { display: flex; justify-content: space-between; margin-top: auto; padding-top: 20px; border-top: 1px solid #d5dfe0; color: var(--teal-dark); font-size: 13px; font-weight: 900; }
.featured-board { background: var(--navy); color: #fff; }
.featured-grid { min-height: 720px; display: grid; grid-template-columns: 1.05fr .95fr; }
.featured-media { position: relative; min-width: 0; display: grid; place-items: center; padding: 80px 65px 80px 0; background: #eaf0f0; }
.featured-media:before { position: absolute; right: 0; bottom: 0; left: -50vw; height: 6px; content: ""; background: var(--teal); }
.media-frame { position: relative; width: 100%; padding: 22px; background: #fff; box-shadow: 0 30px 70px rgba(17,44,52,.18); }
.media-frame:after { position: absolute; inset: 10px; content: ""; border: 1px solid #e0e8e8; }
.media-frame img { width: 100%; height: 390px; object-fit: contain; }
.media-chip { position: absolute; right: 38px; bottom: 65px; display: flex; align-items: baseline; gap: 6px; padding: 17px 21px; background: var(--teal); }
.media-chip b { font-size: 23px; }
.media-chip span { font-size: 11px; }
.featured-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px 0 80px 76px; }
.featured-copy h2 { margin: 0; font-size: clamp(34px, 3.1vw, 48px); line-height: 1.22; }
.featured-copy > p:not(.section-kicker) { margin: 24px 0 28px; color: #b4c5c8; font-size: 15px; }
.featured-points { border-top: 1px solid rgba(255,255,255,.14); }
.featured-points > div { display: grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.featured-points span { color: #58c8ca; font-size: 10px; font-weight: 900; }
.featured-points p { margin: 0; color: #9eb2b5; font-size: 12px; }
.featured-points b { display: block; color: #fff; font-size: 14px; }
.featured-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 29px; }
.capability-matrix { background: #edf3f3; }
.capability-matrix-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 66px; align-items: start; }
.matrix-intro { position: sticky; top: 160px; padding: 16px 0; }
.matrix-intro h2 { margin: 0; font-size: clamp(32px, 3vw, 45px); line-height: 1.25; letter-spacing: -.04em; }
.matrix-intro > p:not(.section-kicker) { margin: 22px 0 30px; color: var(--muted); }
.matrix-cards { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #ccd9da; border-left: 1px solid #ccd9da; }
.matrix-cards article { min-height: 220px; display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; border-right: 1px solid #ccd9da; border-bottom: 1px solid #ccd9da; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.matrix-cards article:hover { z-index: 1; transform: translateY(-4px); box-shadow: 0 18px 40px rgba(16,38,45,.1); }
.matrix-cards small { margin-bottom: auto; color: #7c9094; font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.matrix-cards b { font-size: 21px; }
.matrix-cards p { margin: 7px 0 0; color: var(--muted); font-size: 11px; }
.matrix-cards .matrix-accent { background: var(--teal); color: #fff; }
.matrix-cards .matrix-accent small, .matrix-cards .matrix-accent p { color: #d3eeee; }
.home-applications { background: #fff; }
.application-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.application-grid article { min-height: 250px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s ease; }
.application-grid article:hover { background: #f1f6f6; }
.application-grid span { color: var(--teal); font-size: 10px; font-weight: 900; }
.application-grid h3 { margin: 70px 0 12px; font-size: 18px; }
.application-grid p { margin: 0; color: var(--muted); font-size: 12px; }
.resource-gateway { padding: 0 0 108px; background: #fff; }
.resource-grid { display: grid; grid-template-columns: 1.15fr .85fr; }
.resource-grid article { min-height: 370px; display: flex; flex-direction: column; justify-content: space-between; padding: 48px; }
.resource-grid h2 { max-width: 520px; margin: 0; font-size: clamp(27px, 2.5vw, 38px); line-height: 1.3; letter-spacing: -.04em; }
.resource-grid p:not(.section-kicker) { max-width: 580px; margin: 18px 0 0; font-size: 13px; }
.resource-grid a { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; border-top: 1px solid; font-size: 13px; font-weight: 900; }
.resource-grid a span { font-size: 20px; }
.resource-primary { background: var(--navy); color: #fff; }
.resource-primary p:not(.section-kicker) { color: #99afb3; }
.resource-primary a { border-color: rgba(255,255,255,.17); color: #88dcde; }
.resource-download { border: 1px solid var(--line); background: #f3f6f6; }
.resource-download p:not(.section-kicker) { color: var(--muted); }
.resource-download a { border-color: #ccd7d8; color: var(--teal-dark); }

.page-hero { position: relative; min-height: 360px; overflow: hidden; background: linear-gradient(105deg, #ecf2f2 0 65%, #dde8e9 65%); }
.page-grid { mask-image: linear-gradient(90deg, #000, transparent 70%); }
.page-hero-inner { position: relative; min-height: 360px; display: flex; align-items: center; justify-content: space-between; z-index: 1; }
.page-hero-inner > div { max-width: 720px; }
.page-hero h1 { margin: 0; font-size: clamp(48px, 5.2vw, 70px); letter-spacing: -.055em; }
.page-hero-inner > div > p:last-child { max-width: 650px; margin: 20px 0 0; color: #5e7176; font-size: 16px; }
.page-hero-inner > strong { color: rgba(0,107,112,.13); font-size: 150px; line-height: 1; letter-spacing: -.08em; }
.category-bar { border-bottom: 1px solid var(--line); background: #fff; }
.category-row { display: grid; grid-template-columns: repeat(3, 1fr); }
.category-row a { min-height: 104px; display: grid; grid-template-columns: 34px 1fr; align-content: center; padding: 16px 24px; border-left: 1px solid var(--line); }
.category-row a:last-child { border-right: 1px solid var(--line); }
.category-row span { grid-row: 1 / 3; color: var(--teal); font-size: 10px; font-weight: 900; }
.category-row b { font-size: 14px; }
.category-row small { color: #849397; font-size: 8px; letter-spacing: .13em; }
.catalog { background: #f5f7f7; }
.catalog-heading { max-width: 650px; margin-bottom: 42px; }
.catalog-heading > p:last-child { color: var(--muted); }
.catalog-product { display: grid; grid-template-columns: 1.06fr .94fr; min-height: 570px; background: #fff; border: 1px solid var(--line); }
.catalog-image { position: relative; display: grid; place-items: center; min-width: 0; padding: 50px; background: #edf2f2; }
.catalog-image img { width: 100%; height: 440px; object-fit: contain; }
.catalog-image > span { position: absolute; top: 26px; left: 26px; padding: 6px 10px; background: var(--teal); color: #fff; font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.catalog-copy { display: flex; flex-direction: column; justify-content: center; padding: 60px; }
.catalog-copy > small { color: var(--teal-dark); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.catalog-copy h3 { margin: 10px 0 0; font-size: 44px; letter-spacing: -.04em; }
.catalog-copy h4 { margin: 0 0 20px; color: #61757a; font-size: 18px; font-weight: 500; }
.catalog-copy > p { color: var(--muted); }
.catalog-specs { display: grid; grid-template-columns: repeat(3, 1fr); margin: 22px 0 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.catalog-specs div { padding: 17px 8px 17px 0; }
.catalog-specs b, .catalog-specs span { display: block; }
.catalog-specs b { font-size: 18px; }
.catalog-specs span { color: #819095; font-size: 9px; }
.catalog-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.category-sections { background: #fff; }
.category-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.category-panels article { min-height: 330px; padding: 40px; border: 1px solid var(--line); background: #f5f7f7; }
.category-panels article > div { display: flex; justify-content: space-between; }
.category-panels span { color: var(--teal); font-size: 11px; font-weight: 900; }
.category-panels small { color: #879699; font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.category-panels h2 { margin: 95px 0 8px; font-size: 30px; }
.category-panels p { margin: 0; color: var(--muted); }
.category-panels em { display: inline-block; margin-top: 20px; color: var(--teal-dark); font-size: 11px; font-style: normal; font-weight: 800; }

.product-hero { position: relative; overflow: hidden; background: linear-gradient(108deg, #edf3f3 0 49%, #dce7e8 49%); }
.product-hero-grid { opacity: .13; }
.product-hero-inner { position: relative; min-height: 650px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 55px; z-index: 1; }
.product-hero-copy { padding: 70px 0; }
.product-hero-copy h1 { margin: 0; font-size: clamp(48px, 5vw, 72px); line-height: 1; letter-spacing: -.065em; }
.product-hero-copy h2 { margin: 13px 0 0; color: var(--teal-dark); font-size: 25px; }
.product-hero-copy > p:not(.kicker) { margin: 25px 0 30px; color: #566a70; }
.core-spec-row { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 38px; border-top: 1px solid #c9d4d6; }
.core-spec-row div { padding: 16px 10px 0 0; }
.core-spec-row span, .core-spec-row b { display: block; }
.core-spec-row span { color: #819094; font-size: 9px; }
.core-spec-row b { margin-top: 3px; font-size: 12px; }
.product-hero-image { position: relative; display: grid; place-items: center; min-width: 0; padding: 55px 20px 50px; }
.product-hero-image img { width: 100%; max-height: 500px; object-fit: contain; filter: drop-shadow(0 28px 34px rgba(16,38,45,.2)); }
.model-mark { position: absolute; top: 50px; right: 0; color: #63787c; font-size: 10px; font-weight: 900; letter-spacing: .15em; }
.detail-subnav { position: sticky; top: 82px; z-index: 35; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(10px); }
.detail-subnav > div { min-height: 58px; display: flex; align-items: center; justify-content: center; gap: clamp(20px, 4vw, 60px); }
.detail-subnav a { color: #53686d; font-size: 12px; font-weight: 800; }
.detail-subnav a:hover { color: var(--teal-dark); }
.overview-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.overview-grid > div:last-child p { margin: 0 0 18px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.feature-section { background: #f4f7f7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-grid article { min-height: 260px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.feature-grid span { color: var(--teal); font-size: 10px; font-weight: 900; }
.feature-grid h3 { margin: 62px 0 11px; font-size: 19px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 12px; }
.encoder-section { padding: 105px 0; background: var(--navy); color: #fff; }
.encoder-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.encoder-intro h2 { margin: 0; font-size: 42px; line-height: 1.25; }
.encoder-intro > p:not(.section-kicker) { color: #a5b8bc; }
.pin-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.pin-badges span { padding: 7px 11px; border: 1px solid rgba(255,255,255,.2); color: #8ddfe0; font: 11px Consolas, monospace; }
.mode-table-wrap { padding: 28px; background: #fff; color: var(--ink); }
.mode-table-wrap table { width: 100%; border-collapse: collapse; font-size: 13px; }
.mode-table-wrap th, .mode-table-wrap td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: center; }
.mode-table-wrap th:first-child, .mode-table-wrap td:first-child { text-align: left; }
.mode-table-wrap th { color: #6f8286; font-size: 9px; letter-spacing: .08em; }
.mode-table-wrap small { display: block; margin-top: 15px; color: #7c8d91; font-size: 9px; }
.specification { background: #fff; }
.spec-layout { display: grid; grid-template-columns: .55fr 1.45fr; gap: 70px; align-items: start; }
.spec-title { position: sticky; top: 175px; }
.spec-title h2 { margin: 0; font-size: 42px; }
.spec-title p:last-child { color: var(--muted); }
.spec-table { border-top: 1px solid var(--line); }
.spec-group { margin-bottom: 34px; }
.spec-group h3 { margin: 0; padding: 18px 20px; background: var(--navy); color: #fff; font-size: 15px; }
.spec-group > div { display: grid; grid-template-columns: 180px 1fr; padding: 15px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
.spec-group span { color: #7f9094; font-size: 11px; }
.spec-group b { font-size: 12px; }
.development-section { padding: 105px 0; background: var(--teal); color: #fff; }
.development-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.development-grid h2 { margin: 0; font-size: 42px; line-height: 1.25; }
.development-grid > div:first-child > p:not(.section-kicker) { color: #d5eeee; }
.dev-steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.22); border-left: 1px solid rgba(255,255,255,.22); }
.dev-steps article { min-height: 230px; padding: 24px; border-right: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.dev-steps span { color: #bceced; font-size: 10px; }
.dev-steps b { display: block; margin-top: 70px; }
.dev-steps p { color: #c8e8e8; font-size: 11px; }

.capability-page { background: #fff; }
.capability-list { border-top: 1px solid var(--line); }
.capability-list article { display: grid; grid-template-columns: 70px 1fr 30px; gap: 24px; align-items: center; min-height: 160px; border-bottom: 1px solid var(--line); }
.capability-list > article > span { color: var(--teal); font-size: 11px; font-weight: 900; }
.capability-list h2 { margin: 0 0 8px; font-size: 28px; }
.capability-list p { max-width: 760px; margin: 0; color: var(--muted); }
.capability-list i { color: var(--teal); font-size: 22px; font-style: normal; }
.architecture-section { padding: 100px 0; background: var(--navy); color: #fff; }
.architecture-title { max-width: 650px; }
.architecture-title h2 { margin: 0; font-size: 42px; }
.architecture-title > p:last-child { color: #9db1b5; }
.architecture-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 18px; align-items: center; margin-top: 48px; }
.architecture-flow > div { min-height: 160px; padding: 23px; border: 1px solid rgba(255,255,255,.16); }
.architecture-flow small { color: #5fc9cb; font-size: 8px; letter-spacing: .13em; }
.architecture-flow b, .architecture-flow span { display: block; }
.architecture-flow b { margin-top: 50px; }
.architecture-flow span { color: #82999d; font-size: 10px; }
.architecture-flow i { color: #5fc9cb; font-style: normal; }
.engineering-principles { background: #f5f7f7; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.principle-grid article { min-height: 240px; padding: 34px; background: #fff; border: 1px solid var(--line); }
.principle-grid b { display: block; margin-top: 78px; font-size: 20px; }
.principle-grid p { color: var(--muted); font-size: 12px; }

.support-start { background: #f4f7f7; }
.support-cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.support-cards article { min-height: 350px; display: flex; flex-direction: column; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.support-cards > article > span { color: var(--teal); font-size: 10px; font-weight: 900; }
.support-cards > article > small { margin-top: 70px; color: #8a999d; font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.support-cards h2 { margin: 8px 0 12px; font-size: 24px; }
.support-cards p { margin: 0; color: var(--muted); font-size: 12px; }
.support-cards a, .support-cards em { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); color: var(--teal-dark); font-size: 11px; font-style: normal; font-weight: 800; }
.support-cards a { display: flex; justify-content: space-between; }
.examples { background: #fff; }
.example-block { display: grid; grid-template-columns: .55fr 1.45fr; margin-bottom: 30px; border: 1px solid var(--line); }
.example-block > div:first-child { padding: 34px; background: var(--navy); color: #fff; }
.example-block > div:first-child > span { color: #64cdd0; font-size: 10px; font-weight: 900; }
.example-block > div:first-child small { display: block; margin-top: 70px; color: #7f999d; font-size: 8px; letter-spacing: .14em; }
.example-block h3 { margin: 6px 0 12px; font-size: 22px; }
.example-block > div:first-child p { color: #9eb1b5; font-size: 11px; }
.table-scroll { overflow-x: auto; }
.support-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 12px; }
.support-table th, .support-table td { padding: 15px 17px; border-bottom: 1px solid var(--line); text-align: left; }
.support-table tr:last-child td { border-bottom: 0; }
.support-table th { background: #f3f6f6; color: #718388; font-size: 9px; letter-spacing: .08em; }
.support-table td > span { padding: 3px 7px; background: #e0eeee; color: var(--teal-dark); font-size: 9px; font-weight: 900; }
code { display: inline-block; padding: 3px 7px; background: #e9f2f2; color: var(--teal-dark); font: 11px/1.4 Consolas, monospace; overflow-wrap: anywhere; }
.validation-route { padding: 90px 0; background: var(--navy); color: #fff; }
.validation-route h2 { margin: 0; font-size: 38px; }
.validation-route > div > div { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 38px; }
.validation-route span { min-width: 130px; color: #60cacc; font-size: 10px; font-weight: 900; }
.validation-route span small { display: block; margin-top: 6px; color: #fff; font-size: 13px; }
.validation-route i { color: #5cc8ca; font-style: normal; }

.about-story { background: #fff; }
.about-story-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.about-story h2 { margin: 0; font-size: 42px; line-height: 1.3; }
.about-story-grid > div:last-child p { margin: 0 0 18px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.about-values-section { padding: 90px 0; background: var(--navy); color: #fff; }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.value-grid article { min-height: 250px; padding: 27px; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.value-grid span { color: #60c9cb; font-size: 10px; font-weight: 900; }
.value-grid h3 { margin: 70px 0 10px; }
.value-grid p { color: #8ea4a9; font-size: 11px; }
.focus-section { background: #f5f7f7; }
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.focus-grid > div { min-height: 250px; display: flex; flex-direction: column; justify-content: end; padding: 32px; border: 1px solid var(--line); background: #fff; }
.focus-grid b { font-size: 21px; }
.focus-grid span { margin-top: 5px; color: var(--teal); font-size: 9px; font-weight: 900; letter-spacing: .12em; }

.contact-page { background: #f4f7f7; }
.contact-page-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 90px; }
.contact-details h2 { margin: 0; font-size: 42px; }
.contact-details > p:not(.section-kicker) { color: var(--muted); }
.contact-item { display: grid; grid-template-columns: 100px 1fr; padding: 22px 0; border-bottom: 1px solid #cfdadb; }
.contact-item span { color: #819195; font-size: 10px; }
.contact-item a, .contact-item b { font-size: 14px; }
.contact-item a { color: var(--teal-dark); font-size: 21px; font-weight: 900; }
.consult-list { padding: 40px; background: #fff; border: 1px solid var(--line); }
.consult-list h3 { margin: 0 0 20px; }
.consult-list ol { margin: 0; padding: 0; list-style: none; }
.consult-list li { display: grid; grid-template-columns: 45px 1fr; gap: 10px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.consult-list li:last-child { border-bottom: 0; }
.consult-list li > span { color: var(--teal); font-size: 10px; font-weight: 900; }
.consult-list b { font-size: 13px; }
.consult-list p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.location-band { padding: 70px 0; background: var(--teal); color: #fff; }
.location-band > div { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.location-band small, .location-band b { display: block; }
.location-band small { color: #c9efef; font-size: 9px; letter-spacing: .14em; }
.location-band b { font-size: 22px; }
.location-band p { color: #d7f0f0; }

.contact-band { padding: 78px 0; background: var(--teal); color: #fff; }
.contact-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 70px; }
.contact-band-inner > div { max-width: 760px; }
.contact-band-inner p:not(.section-kicker) { margin: 18px 0 0; color: #d2eeee; }
footer { background: #0b1e24; color: #fff; }
.footer-main { display: grid; grid-template-columns: 1.55fr repeat(3, 1fr); gap: 65px; padding: 68px 0 54px; }
.footer-intro p { max-width: 310px; color: #789095; font-size: 11px; }
.footer-brand { width: 128px; min-height: 112px; justify-content: center; padding: 8px; background: #fff; }
.footer-logo { width: 112px; height: 96px; }
.footer-main > div:not(.footer-intro) { display: flex; flex-direction: column; gap: 9px; }
.footer-main > div b { margin-bottom: 7px; font-size: 12px; }
.footer-main > div a { color: #81969a; font-size: 11px; }
.footer-main > div a:hover { color: #62d0d2; }
.footer-bottom { min-height: 65px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.1); color: #71878b; font-size: 10px; }
.filing-links { display: flex; align-items: center; justify-content: flex-end; gap: 22px; }
.filing-links a { color: inherit; }
.filing-links a:hover { color: #62d0d2; }
.filing-links .gongan-link { display: inline-flex; align-items: center; gap: 6px; }
.gongan-link img { width: 18px; height: 18px; flex: 0 0 18px; object-fit: contain; }

@media (max-width: 1180px) {
  .desktop-nav { display: none; }
  .header-contact { margin-left: auto; }
  .mobile-nav { position: relative; display: block; }
  .mobile-nav summary { padding: 9px 13px; border: 1px solid var(--line); cursor: pointer; font-size: 12px; list-style: none; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav > div { position: absolute; top: 50px; right: 0; width: 240px; display: grid; padding: 14px; border: 1px solid var(--line); background: #fff; box-shadow: 0 20px 50px rgba(17,44,52,.18); }
  .mobile-nav a { padding: 9px 11px; font-size: 12px; }
  .featured-copy { padding-left: 48px; }
  .featured-media { padding-right: 45px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 720px); }
  .section { padding: 78px 0; }
  .utility-inner > span, .utility-inner > div > span { display: none; }
  .utility-inner { justify-content: flex-end; }
  .header-inner { height: 72px; }
  .header-contact { display: none; }
  .home-hero { background: #eaf0f0; }
  .home-hero-inner, .product-hero-inner, .catalog-product, .featured-grid, .overview-grid, .encoder-grid, .spec-layout, .development-grid, .about-story-grid, .contact-page-grid, .capability-matrix-grid { grid-template-columns: 1fr; }
  .home-hero-inner, .product-hero-inner { gap: 0; }
  .hero-copy { padding: 70px 0 35px; }
  .hero-visual { padding: 10px 24px 75px; }
  .board-stage { min-height: 0; }
  .floating-bottom { bottom: 100px; }
  .quick-grid, .application-grid, .value-grid { grid-template-columns: 1fr 1fr; }
  .split-heading { grid-template-columns: 1fr; gap: 25px; }
  .chain-heading { grid-template-columns: 1fr; gap: 24px; }
  .chain-flow { grid-template-columns: 1fr 1fr; }
  .chain-flow article:last-child { grid-column: 1 / -1; }
  .chain-flow article:nth-child(2):after, .chain-flow article:nth-child(4):after { display: none; }
  .matrix-intro { position: static; }
  .product-grid, .support-cards { grid-template-columns: 1fr; }
  .product-card { min-height: 450px; }
  .featured-media { min-height: 520px; padding: 60px 40px; }
  .featured-copy { padding: 68px 0; }
  .page-hero-inner > strong { font-size: 100px; }
  .catalog-image { padding: 30px; }
  .catalog-copy { padding: 45px; }
  .overview-grid, .encoder-grid, .spec-layout, .development-grid, .about-story-grid, .contact-page-grid { gap: 50px; }
  .spec-title { position: static; }
  .dev-steps, .principle-grid, .focus-grid { grid-template-columns: 1fr; }
  .architecture-flow { grid-template-columns: 1fr; }
  .architecture-flow i { transform: rotate(90deg); text-align: center; }
  .example-block { grid-template-columns: 1fr; }
  .category-panels { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 28px); }
  .brand-logo { width: 86px; height: 62px; }
  .brand-symbol { width: 40px; height: 40px; }
  .brand-copy strong { font-size: 20px; }
  .brand-copy small { font-size: 7px; }
  .home-hero, .home-hero-inner { min-height: auto; }
  .hero-copy { padding-top: 55px; }
  .hero-copy h1 { font-size: 40px; }
  .hero-lead { font-size: 15px; }
  .hero-actions .button { width: 100%; }
  .hero-proof, .core-spec-row { grid-template-columns: 1fr 1fr; }
  .hero-visual { padding: 5px 0 70px; }
  .board-stage img { height: 270px; }
  .floating-spec { min-width: 155px; }
  .floating-top { top: 56px; right: -5px; }
  .floating-bottom { left: -4px; bottom: 85px; }
  .quick-grid, .application-grid, .feature-grid, .category-row, .catalog-specs, .value-grid, .chain-flow, .matrix-cards, .resource-grid { grid-template-columns: 1fr; }
  .chain-flow article:last-child { grid-column: auto; }
  .chain-flow article:not(:last-child):after { top: auto; right: 50%; bottom: -9px; transform: translateX(50%) rotate(90deg); }
  .chain-flow article:nth-child(2):after, .chain-flow article:nth-child(4):after { display: grid; }
  .resource-grid article { min-height: 320px; padding: 34px 28px; }
  .section-heading-row, .contact-band-inner, .location-band > div { align-items: flex-start; flex-direction: column; gap: 20px; }
  .featured-media { min-height: 400px; padding: 35px 18px; }
  .media-frame img { height: 290px; }
  .media-chip { right: 15px; bottom: 25px; }
  .page-hero-inner { min-height: 330px; }
  .page-hero-inner > strong { display: none; }
  .page-hero h1 { font-size: 46px; }
  .category-row a:last-child { border-right: 0; }
  .catalog-image img { height: 280px; }
  .catalog-copy { padding: 30px 24px; }
  .catalog-copy h3 { font-size: 36px; }
  .category-panels article { min-height: 280px; }
  .product-hero-copy { padding-bottom: 20px; }
  .product-hero-copy h1 { font-size: 45px; }
  .product-hero-image { padding-top: 20px; }
  .detail-subnav { top: 72px; overflow-x: auto; }
  .detail-subnav > div { width: max-content; justify-content: flex-start; padding: 0 15px; }
  .mode-table-wrap { padding: 15px; overflow-x: auto; }
  .mode-table-wrap table { min-width: 480px; }
  .spec-group > div { grid-template-columns: 1fr; gap: 4px; }
  .capability-list article { grid-template-columns: 40px 1fr; padding: 22px 0; }
  .capability-list i { display: none; }
  .validation-route > div > div { align-items: flex-start; flex-direction: column; }
  .validation-route i { transform: rotate(90deg); }
  .contact-item { grid-template-columns: 1fr; gap: 5px; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { min-height: 104px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
  .filing-links { align-items: flex-start; flex-direction: column; gap: 5px; }
}

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