@charset "UTF-8";

:root {
  --purple: #aa1bc0;
  --purple-deep: #59106d;
  --gold: #dea46f;
  --ink: #1e252d;
  --ink-deep: #11141b;
  --signal: #eff4fd;
  --paper: #f8f7f5;
  --line: rgba(255,255,255,.14);
  --container: min(1240px, calc(100vw - 48px));
  --sans: "Alibaba PuHuiTi", "Alibaba Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font-family: var(--sans); background: var(--ink-deep); text-rendering: optimizeLegibility; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
.container { width: var(--container); margin-inline: auto; }
.skip-link { position: fixed; z-index: 999; top: 8px; left: 8px; transform: translateY(-150%); padding: 10px 14px; background: #fff; color: #000; }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 92px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.12); transition: .3s ease; }
.site-header.is-scrolled { height: 76px; background: rgba(9,11,18,.9); backdrop-filter: none; }
.header-inner { height: 100%; display: grid; grid-template-columns: 220px 1fr auto; align-items: center; gap: 30px; }
.brand img, .custom-logo { width: 186px; max-height: 54px; object-fit: contain; }
.primary-nav .menu { display: flex; justify-content: center; align-items: center; gap: clamp(20px, 2.5vw, 42px); margin: 0; padding: 0; list-style: none; }
.primary-nav a { position: relative; font-size: 15px; color: rgba(255,255,255,.84); }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -11px; height: 2px; background: linear-gradient(90deg,var(--purple),var(--gold)); transition: right .25s; }
.primary-nav a:hover::after, .primary-nav .current-menu-item a::after { right: 0; }
.header-cta { padding: 11px 19px; border: 1px solid rgba(255,255,255,.55); font-size: 14px; transition: .25s; }
.header-cta:hover { color: #090b12; background: #fff; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 840px; display: grid; align-items: center; overflow: hidden; color: #fff; background: #11141b; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; background-image: linear-gradient(90deg,rgba(7,9,16,.18) 0%,rgba(7,9,16,.04) 55%,rgba(7,9,16,.12) 100%), linear-gradient(0deg,rgba(7,9,16,.14),transparent 44%); background-position: center; background-size: cover; }
.hero::after { content: ""; position: absolute; z-index: -2; width: 680px; height: 680px; right: -240px; bottom: -340px; border-radius: 50%; box-shadow: 0 0 150px 90px rgba(170,27,192,.28), inset 0 0 80px rgba(222,164,111,.34); border: 1px solid rgba(222,164,111,.45); }
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(90deg,#000,transparent 65%); }
.hero-content { padding-top: 110px; }
.eyebrow, .section-label { margin: 0 0 24px; font-size: 12px; letter-spacing: .25em; font-weight: 700; color: var(--gold); }
.hero h1 { max-width: 850px; margin: 0 0 28px; font-size: clamp(58px,7.4vw,108px); line-height: .98; letter-spacing: -.06em; font-weight: 640; }
.hero-lead { max-width: 640px; margin: 0 0 42px; font-size: 20px; line-height: 1.75; color: rgba(255,255,255,.73); }
.hero-actions { display: flex; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-width: 148px; padding: 15px 24px; border: 1px solid transparent; font-size: 15px; transition: .25s; }
.button-primary { color: #fff; background: linear-gradient(105deg,var(--purple),#8627b5); box-shadow: 0 12px 35px rgba(170,27,192,.25); }
.button-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(170,27,192,.38); }
.button-ghost { border-color: rgba(255,255,255,.46); color: #fff; }
.button-ghost:hover { background: rgba(255,255,255,.1); }
.button-dark { background: var(--ink); color: #fff; }
.hero-orbit { position: absolute; right: 6vw; top: 18%; width: 430px; height: 430px; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; transform: rotate(-18deg); }
.hero-orbit span { position: absolute; width: 9px; height: 9px; left: 16%; top: 10%; background: var(--gold); box-shadow: 0 0 30px 10px rgba(222,164,111,.5); border-radius: 50%; }

.section-dark { color: #fff; background: var(--ink-deep); }
.section-light { background: var(--signal); }
.section-paper { background: var(--paper); }
.intro { padding: 140px 0 115px; }
.intro-grid { display: grid; grid-template-columns: 1.05fr .75fr; gap: 10vw; align-items: start; }
.intro h2, .section-heading h2, .vision h2 { margin: 0; font-size: clamp(40px,5vw,72px); line-height: 1.12; letter-spacing: -.045em; font-weight: 560; }
.intro-grid > div:last-child { padding-top: 50px; }
.intro-grid p { margin: 0 0 20px; font-size: 18px; line-height: 1.9; color: rgba(255,255,255,.67); }
.text-link { display: inline-flex; gap: 24px; align-items: center; margin-top: 24px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.35); font-size: 15px; }
.text-link span { color: var(--gold); }
.value-strip { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 110px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-strip > div { padding: 30px 34px; display: flex; gap: 18px; align-items: baseline; border-right: 1px solid var(--line); }
.value-strip > div:last-child { border: 0; }
.value-strip b { font-size: 27px; font-weight: 500; }
.value-strip span { font-size: 13px; color: rgba(255,255,255,.52); }

.featured-product { padding: 135px 0; overflow: hidden; }
.product-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.section-label.purple { color: var(--purple); }
.kh-form-links { display:flex; gap:24px; flex-wrap:wrap; padding:24px 0; font-size:14px; }
.kh-form-links a { text-decoration:underline; text-underline-offset:5px; }
.product-copy h2 { margin: 0 0 26px; font-size: clamp(48px,5vw,78px); line-height: .95; letter-spacing: -.05em; }
.product-copy h2 em { font-size: .28em; letter-spacing: .07em; font-style: normal; font-weight: 560; color: var(--purple); }
.product-copy > p { font-size: 18px; line-height: 1.8; color: #58616d; }
.product-copy ul { margin: 34px 0; padding: 0; list-style: none; border-top: 1px solid #d3d9e1; }
.product-copy li { padding: 15px 0; border-bottom: 1px solid #d3d9e1; font-size: 14px; }
.product-visual { position: relative; min-height: 520px; display: grid; align-items: center; }
.product-visual::before { content: ""; position: absolute; z-index: 0; width: 560px; height: 560px; right: 3%; border-radius: 50%; background: radial-gradient(circle at 45% 45%,rgba(170,27,192,.18),rgba(170,27,192,.04) 55%,transparent 56%), repeating-radial-gradient(circle,rgba(170,27,192,.14) 0 1px,transparent 1px 52px); }
.product-visual img { position: relative; z-index: 1; filter: drop-shadow(0 28px 38px rgba(27,31,40,.2)); }
.signal-card { position: absolute; z-index: 2; top: 8%; left: -2%; width: 170px; height: 90px; padding: 14px; border: 1px solid rgba(170,27,192,.28); background: rgba(255,255,255,.83); backdrop-filter: blur(8px); }
.signal-card span { font-size: 8px; letter-spacing: .14em; color: #67707d; }
.signal-card i { display: block; height: 1px; margin-top: 13px; background: linear-gradient(90deg,transparent 0 12%,var(--purple) 12% 14%,transparent 14% 39%,var(--purple) 39% 45%,transparent 45% 75%,var(--gold) 75% 79%,transparent 79%); }

.technology { padding: 140px 0; background-image: radial-gradient(circle at 88% 16%,rgba(170,27,192,.17),transparent 34%); }
.section-heading { display: grid; grid-template-columns: 1.15fr .45fr; gap: 90px; align-items: end; }
.section-heading > p { margin: 0 0 4px; font-size: 16px; line-height: 1.75; color: rgba(255,255,255,.56); }
.section-heading.dark > p { color: #66707b; }
.roadmap { margin-top: 86px; border-top: 1px solid var(--line); }
.roadmap article { display: grid; grid-template-columns: 110px 1fr; padding: 30px 0; border-bottom: 1px solid var(--line); transition: .25s; }
.roadmap article:hover { padding-left: 14px; background: linear-gradient(90deg,rgba(170,27,192,.12),transparent 72%); }
.roadmap article > span { color: var(--gold); font-size: 12px; letter-spacing: .2em; }
.roadmap article > div { display: grid; grid-template-columns: 190px 330px 1fr; align-items: baseline; gap: 30px; }
.roadmap small { color: var(--purple); letter-spacing: .16em; }
.roadmap h3 { margin: 0; font-size: 26px; font-weight: 500; }
.roadmap p { margin: 0; color: rgba(255,255,255,.56); line-height: 1.75; }

.scenes { padding: 140px 0; }
.scene-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 70px; }
.scene-grid a { position: relative; min-height: 400px; padding: 35px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; border: 1px solid #d8dde5; background: rgba(255,255,255,.35); transition: .3s; }
.scene-grid a + a { border-left: 0; }
.scene-grid a::before { content: ""; position: absolute; width: 280px; height: 280px; top: -100px; right: -90px; border: 1px solid rgba(170,27,192,.2); border-radius: 50%; box-shadow: 0 0 0 36px rgba(170,27,192,.03),0 0 0 72px rgba(170,27,192,.025); }
.scene-grid a.featured { color: #fff; background: linear-gradient(145deg,#27082f,#9f1db6); border-color: transparent; }
.scene-grid a:hover { transform: translateY(-8px); z-index: 2; box-shadow: 0 25px 60px rgba(30,37,45,.14); }
.scene-grid span { position: absolute; top: 34px; left: 35px; font-size: 12px; color: var(--purple); }
.scene-grid .featured span { color: var(--gold); }
.scene-grid h3 { margin: 0 0 14px; font-size: 36px; font-weight: 520; }
.scene-grid p { margin: 0 0 15px; font-size: 17px; }
.scene-grid small { color: #727b86; }
.scene-grid .featured small { color: rgba(255,255,255,.64); }

.insights { padding: 140px 0; }
.dark-link { align-self: end; border-color: #bfc5cd; color: var(--ink); }
.insight-grid { margin-top: 68px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 28px; }
.insight-grid article { background: #fff; overflow: hidden; }
.insight-grid img { width: 100%; object-fit: cover; background: #edf1f5; }
.insight-main img { aspect-ratio: 16 / 7; }
.insight-side img { aspect-ratio: 1 / 1.05; }
.insight-grid article > div { padding: 32px; }
.insight-grid small { color: var(--purple); letter-spacing: .15em; }
.insight-grid h3 { margin: 14px 0; font-size: clamp(25px,3vw,40px); line-height: 1.25; font-weight: 550; }
.insight-side h3 { font-size: 25px; }
.insight-grid p { color: #65707c; line-height: 1.75; }

.vision { position: relative; padding: 175px 0; overflow: hidden; color: #fff; background: #15141b; }
.vision::before { content: ""; position: absolute; width: 920px; height: 920px; right: -300px; top: -380px; border-radius: 50%; background: radial-gradient(circle at 35% 60%,rgba(222,164,111,.76) 0 1%,rgba(170,27,192,.48) 3%,rgba(89,16,109,.42) 20%,rgba(16,12,25,0) 62%); box-shadow: inset 70px 30px 130px rgba(0,0,0,.5); }
.vision-content { position: relative; }
.vision h2 { max-width: 820px; }
.vision-content > p:not(.section-label) { max-width: 660px; margin: 32px 0 42px; font-size: 18px; line-height: 1.8; color: rgba(255,255,255,.65); }

.site-footer { padding: 86px 0 30px; color: #fff; background: #080a10; }
.footer-grid { display: grid; grid-template-columns: 1.55fr repeat(3,1fr); gap: 70px; }
.footer-brand img { width: 180px; margin-bottom: 28px; }
.footer-logo-wrap { min-height: 54px; margin-bottom: 24px; }
.footer-logo-wrap img { width: 200px; max-height: 54px; margin: 0; object-fit: contain; object-position: left center; }
.footer-brand p { max-width: 400px; color: rgba(255,255,255,.51); line-height: 1.8; }
.footer-grid h2 { margin: 0 0 25px; font-size: 13px; letter-spacing: .14em; color: var(--gold); }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 14px; }
.footer-grid a { font-size: 14px; color: rgba(255,255,255,.62); }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 75px; padding-top: 25px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: rgba(255,255,255,.38); font-size: 12px; }
.footer-bottom ul { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }

.listing-page, .article-page { min-height: 80vh; padding: 170px 0 110px; }
.page-heading { margin-bottom: 60px; }
.page-heading h1, .article-header h1 { max-width: 960px; margin: 0; font-size: clamp(50px,7vw,86px); line-height: 1; letter-spacing: -.05em; }
.archive-description, .article-header > p:last-child { max-width: 760px; margin-top: 24px; color: #65707c; font-size: 18px; line-height: 1.8; }
.content-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 25px; }
.content-card { background: #fff; }
.content-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.content-card a { display: block; padding-bottom: 28px; }
.content-card small,.content-card h2,.content-card p,.content-card span { display: block; margin-inline: 25px; }
.content-card small { margin-top: 24px; color: var(--purple); }
.content-card h2 { margin-top: 10px; margin-bottom: 14px; font-size: 25px; }
.content-card p { color: #65707c; line-height: 1.65; }
.content-card span { margin-top: 22px; color: var(--purple); font-size: 13px; }
.article-header { margin-bottom: 52px; }
.article-hero { margin-bottom: 60px; }
.article-hero img { width: 100%; max-height: 670px; object-fit: cover; }
.prose { max-width: 820px; font-size: 18px; line-height: 1.9; }
.prose h2 { margin-top: 2.2em; font-size: 38px; line-height: 1.3; }
.prose h3 { margin-top: 2em; font-size: 26px; }

@media (max-width: 980px) {
  :root { --container: min(100% - 36px, 760px); }
  .site-header { height: 74px; }
  .header-inner { grid-template-columns: 1fr auto; }
  .header-cta { display: none; }
  .menu-toggle { z-index: 3; width: 54px; height: 42px; display: flex; flex-direction: column; justify-content: center; gap: 6px; border: 0; color: #fff; background: transparent; }
  .menu-toggle span { position: absolute; clip: rect(0,0,0,0); }
  .menu-toggle i { display: block; width: 26px; height: 1px; margin-left: auto; background: #fff; }
  .primary-nav { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; background: rgba(8,10,16,.98); }
  .primary-nav.is-open { display: flex; }
  .primary-nav .menu { flex-direction: column; font-size: 28px; }
  .primary-nav a { font-size: 28px; }
  .hero { min-height: 760px; }
  .hero-orbit { display: none; }
  .intro-grid,.product-grid,.section-heading,.insight-grid { grid-template-columns: 1fr; gap: 40px; }
  .intro-grid > div:last-child { padding-top: 0; }
  .product-grid { gap: 30px; }
  .product-visual { min-height: 400px; }
  .roadmap article > div { grid-template-columns: 150px 1fr; }
  .roadmap p { grid-column: 2; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-grid a + a { border-left: 1px solid #d8dde5; border-top: 0; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .content-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 640px) {
  :root { --container: calc(100% - 28px); }
  .brand img, .custom-logo { width: 150px; }
  .hero { min-height: 720px; }
  .hero::before { background-image: linear-gradient(90deg,rgba(7,9,16,.18),rgba(7,9,16,.06)),linear-gradient(0deg,rgba(7,9,16,.14),transparent 55%); background-position: 60% center; }
  .hero h1 { font-size: 54px; }
  .hero-lead { font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .intro,.technology,.scenes,.insights,.featured-product { padding: 95px 0; }
  .intro h2,.section-heading h2,.vision h2 { font-size: 39px; }
  .value-strip { grid-template-columns: 1fr; margin-top: 65px; }
  .value-strip > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .product-visual { min-height: 300px; }
  .signal-card { transform: scale(.8); transform-origin: left top; }
  .roadmap article { grid-template-columns: 45px 1fr; }
  .roadmap article > div { grid-template-columns: 1fr; gap: 9px; }
  .roadmap p { grid-column: auto; }
  .scene-grid a { min-height: 320px; }
  .vision { padding: 110px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 45px 25px; }
  .footer-bottom { flex-direction: column; gap: 16px; }
  .content-grid { grid-template-columns: 1fr; }
  .listing-page,.article-page { padding-top: 130px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* v0.2 · VI typography, theme system and careers */
:root {
  --type-display: clamp(2.25rem, 4vw, 3.5rem);
  --type-h1: clamp(2rem, 3.5vw, 3rem);
  --type-h2: clamp(1.65rem, 2.7vw, 2.25rem);
  --type-h3: clamp(1.35rem, 2.1vw, 1.85rem);
  --type-lead: clamp(1.05rem, 1.35vw, 1.2rem);
  --type-body: 1rem;
  --space-section: clamp(3.5rem, 6vw, 5.5rem);
  --measure: 42rem;
}

body { font-size: var(--type-body); line-height: 1.82; letter-spacing: .012em; }
p { text-wrap: pretty; }
h1,h2,h3 { text-wrap: balance; font-feature-settings: "palt" 1; }
.hero h1 { max-width: 780px; font-size: var(--type-display); line-height: 1.06; letter-spacing: -.045em; font-weight: 650; }
.intro h2,.section-heading h2,.vision h2,.career-note h2 { max-width: 860px; font-size: var(--type-h2); line-height: 1.18; letter-spacing: -.035em; font-weight: 580; }
.hero-lead { max-width: 610px; font-size: var(--type-lead); line-height: 1.78; }
.intro-grid p,.product-copy > p,.vision-content > p:not(.section-label) { max-width: var(--measure); font-size: var(--type-body); line-height: 1.86; }
.section-label { display: flex; align-items: center; gap: 11px; margin-bottom: 26px; font-size: .72rem; line-height: 1.4; letter-spacing: .22em; }
.section-label::before { content: ""; width: 7px; height: 7px; flex: 0 0 7px; transform: rotate(45deg); background: currentColor; box-shadow: 9px 9px 0 -2px currentColor; }
.eyebrow { font-size: .72rem; letter-spacing: .22em; }
.intro,.technology,.scenes,.insights,.featured-product { padding-block: var(--space-section); }
.section-heading { align-items: start; }
.section-heading > p { max-width: 410px; padding-top: 56px; font-size: 1rem; line-height: 1.82; }

.header-inner { grid-template-columns: 205px 1fr auto auto; gap: 20px; }
.primary-nav .menu { gap: clamp(15px, 1.55vw, 27px); }
.primary-nav a { font-size: 15px; white-space: nowrap; }
.brand { position: relative; display: block; height: 46px; }
.brand-logo { position: absolute; left: 0; top: 50%; width: 192px; max-height: 46px; transform: translateY(-50%); object-fit: contain; object-position: left center; }
.brand-logo-light { display: none; }
.theme-toggle { height: 38px; display: inline-flex; align-items: center; gap: 8px; padding: 0 9px; border: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.72); background: rgba(255,255,255,.05); font: inherit; font-size: 11px; cursor: pointer; transition: .25s; }
.theme-toggle:hover { border-color: rgba(255,255,255,.62); color: #fff; }
.theme-toggle-track { position: relative; width: 28px; height: 14px; border-radius: 999px; background: rgba(255,255,255,.18); }
.theme-toggle-track i { position: absolute; left: 3px; top: 3px; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px rgba(222,164,111,.65); transition: transform .25s ease; }
.theme-toggle[aria-pressed="true"] .theme-toggle-track i { transform: translateX(14px); background: var(--purple); box-shadow: 0 0 8px rgba(170,27,192,.5); }

.hero { min-height: 800px; }
.hero-content { position: relative; z-index: 2; }
.hero-grid { z-index: -2; opacity: .09; }
.photon-field { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; pointer-events: none; }
.hero::after { opacity: .72; }

/* Light VI system: signal white, technology black, deep-space purple and space gold. */
html[data-theme="light"] { color-scheme: light; }
html[data-theme="light"] body { color: var(--ink); background: #fff; }
html[data-theme="light"] .brand-logo-dark { display: none; }
html[data-theme="light"] .brand-logo-light { display: block; }
html[data-theme="light"] .site-header { color: var(--ink); border-color: rgba(30,37,45,.13); }
html[data-theme="light"] .site-header.is-scrolled { background: rgba(248,250,253,.92); box-shadow: 0 14px 35px rgba(30,37,45,.06); }
html[data-theme="light"] .primary-nav a { color: rgba(30,37,45,.78); }
html[data-theme="light"] .header-cta { color: var(--ink); border-color: rgba(30,37,45,.45); }
html[data-theme="light"] .header-cta:hover { color: #fff; background: var(--ink); }
html[data-theme="light"] .theme-toggle { color: #59626d; border-color: rgba(30,37,45,.22); background: rgba(255,255,255,.58); }
html[data-theme="light"] .theme-toggle:hover { color: var(--ink); border-color: rgba(30,37,45,.48); }
html[data-theme="light"] .theme-toggle-track { background: rgba(30,37,45,.12); }
html[data-theme="light"] .menu-toggle i { background: var(--ink); }
html[data-theme="light"] .hero { color: var(--ink); background: var(--signal); }
html[data-theme="light"] .hero::before { background-image: linear-gradient(90deg,rgba(239,244,253,.12),rgba(239,244,253,.04) 58%,rgba(239,244,253,.10)),linear-gradient(0deg,rgba(239,244,253,.12),transparent 48%); filter: none; }
html[data-theme="light"] .hero::after { border-color: rgba(170,27,192,.24); box-shadow: 0 0 120px 70px rgba(170,27,192,.12),inset 0 0 70px rgba(222,164,111,.22); }
html[data-theme="light"] .eyebrow { color: var(--purple-deep); }
html[data-theme="light"] .hero-lead { color: rgba(30,37,45,.72); }
html[data-theme="light"] .button-ghost { color: var(--ink); border-color: rgba(30,37,45,.42); background: rgba(255,255,255,.18); }
html[data-theme="light"] .button-ghost:hover { background: rgba(255,255,255,.7); }
html[data-theme="light"] .section-dark,html[data-theme="light"] .technology,html[data-theme="light"] .vision,html[data-theme="light"] .site-footer { color: var(--ink); background-color: var(--signal); }
html[data-theme="light"] .technology { background-image: radial-gradient(circle at 88% 16%,rgba(170,27,192,.09),transparent 36%); }
html[data-theme="light"] .intro-grid p,html[data-theme="light"] .section-heading > p,html[data-theme="light"] .vision-content > p:not(.section-label),html[data-theme="light"] .career-note p { color: #59636f; }
html[data-theme="light"] .text-link { border-color: rgba(30,37,45,.32); }
html[data-theme="light"] .value-strip,html[data-theme="light"] .roadmap,html[data-theme="light"] .roadmap article,html[data-theme="light"] .footer-bottom { border-color: rgba(30,37,45,.14); }
html[data-theme="light"] .value-strip > div { border-color: rgba(30,37,45,.14); }
html[data-theme="light"] .value-strip span,html[data-theme="light"] .roadmap p,html[data-theme="light"] .footer-brand p,html[data-theme="light"] .footer-grid a,html[data-theme="light"] .footer-bottom { color: rgba(30,37,45,.56); }
html[data-theme="light"] .roadmap article:hover { background: linear-gradient(90deg,rgba(170,27,192,.07),transparent 72%); }
html[data-theme="light"] .vision::before { opacity: .48; }
html[data-theme="light"] .footer-grid h2 { color: var(--purple-deep); }
html[data-theme="light"] .footer-grid a:hover { color: var(--ink); }

/* Careers */
.careers-page { min-height: 100vh; }
.careers-hero { padding: 175px 0 92px; background: linear-gradient(145deg,#f8f4fa 0%,#eff4fd 72%); }
.careers-hero-grid { display: grid; grid-template-columns: 1.25fr .55fr; gap: 9vw; align-items: end; }
.careers-hero h1 { margin: 0; font-size: var(--type-h1); line-height: 1.08; letter-spacing: -.045em; }
.careers-summary { padding-bottom: 4px; }
.careers-summary strong { color: var(--purple-deep); font-size: 1.1rem; }
.careers-summary p { margin: 18px 0 28px; color: #59636f; line-height: 1.84; }
.careers-roles { padding: 28px 0 var(--space-section); }
.role-list { border-top: 1px solid #ccd3dc; }
.role-card { display: grid; grid-template-columns: 72px 1fr minmax(250px,.48fr); gap: 34px; padding: 38px 0; border-bottom: 1px solid #ccd3dc; }
.role-index { padding-top: 5px; color: var(--purple); font-size: .75rem; letter-spacing: .18em; }
.role-meta { margin: 0 0 6px; color: #7b8490; font-size: .78rem; letter-spacing: .1em; }
.role-main h2 { margin: 0 0 9px; font-size: var(--type-h3); line-height: 1.3; }
.role-direction { margin: 0 0 14px; color: var(--purple-deep); font-weight: 650; }
.role-main > p:last-of-type { max-width: 660px; margin: 0; color: #626d78; }
.role-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.role-tags span { padding: 4px 10px; border: 1px solid #d7c9dd; color: #6f5578; background: #faf7fb; font-size: .72rem; }
.role-compensation { padding: 5px 0 0 30px; border-left: 1px solid #d7dce3; }
.role-compensation p { margin: 0 0 7px; font-size: .86rem; font-weight: 650; }
.role-compensation a { display: inline-block; margin-top: 23px; padding-bottom: 4px; border-bottom: 1px solid var(--purple); color: var(--purple-deep); font-size: .82rem; font-weight: 700; }
.career-note { padding-block: var(--space-section); }
.career-note-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 9vw; }
.career-note p { margin: 0 0 18px; color: rgba(255,255,255,.64); }
.career-note strong { display: block; margin-top: 27px; color: var(--gold); }

@media (max-width: 1120px) {
  .header-inner { grid-template-columns: 180px 1fr auto; }
  .header-cta { display: none; }
  .brand-logo { width: 172px; }
}

@media (max-width: 980px) {
  .header-inner { grid-template-columns: 1fr auto auto; }
  .theme-toggle { grid-column: 2; grid-row: 1; }
  .menu-toggle { grid-column: 3; grid-row: 1; }
  .primary-nav { grid-column: auto; }
  html[data-theme="light"] .primary-nav { background: rgba(248,250,253,.98); }
  .careers-hero-grid,.career-note-grid { grid-template-columns: 1fr; gap: 46px; }
  .role-card { grid-template-columns: 52px 1fr; }
  .role-compensation { grid-column: 2; padding: 18px 0 0; border-left: 0; border-top: 1px solid #d7dce3; }
}

@media (max-width: 640px) {
  :root { --type-body: 1rem; --space-section: 4.75rem; }
  .theme-toggle-label { display: none; }
  .theme-toggle { width: 48px; justify-content: center; padding-inline: 7px; }
  .hero { min-height: 700px; }
  .hero h1 { font-size: 2.25rem; }
  .section-heading > p { padding-top: 0; }
  .careers-hero { padding: 135px 0 72px; }
  .careers-hero h1 { font-size: 2rem; }
  .role-card { grid-template-columns: 1fr; gap: 8px; padding: 30px 0; }
  .role-index { padding: 0; }
  .role-compensation { grid-column: 1; }
}
/* v0.3: real workplace, readable recruitment details and contact page. */
.office-section { padding: 64px 0 96px; }
.office-section h2 { font-size: clamp(1.7rem,3vw,2.5rem); line-height: 1.4; margin: 16px 0 24px; }
address { font-style: normal; line-height: 1.9; overflow-wrap: anywhere; }
.site-footer address { margin-top: 20px; font-size: 13px; max-width: 28em; }
.office-gallery { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; margin-top: 32px; }
.office-gallery figure { margin: 0; min-width: 0; }
.office-gallery img { display: block; width: 100%; height: 410px; object-fit: cover; border-radius: 12px; }
.office-gallery figure:last-child img { object-position: center 42%; }
.office-gallery figcaption { font-size: 13px; padding-top: 12px; }
.contact-intro { margin-top: 32px; font-size: 20px; }
.job-detail { border-top: 1px solid #b7bec8; padding: 28px 0; color: #1e252d; }
.job-detail summary { cursor: pointer; display: flex; justify-content: space-between; gap: 24px; align-items: center; list-style: none; }
.job-detail summary::-webkit-details-marker { display: none; }
.job-detail summary strong { display: block; font-size: clamp(1.25rem,2.1vw,1.7rem); line-height: 1.5; margin-top: 8px; }
.job-detail summary small { display: block; font-size: 13px; margin-top: 10px; color: #6b4274; }
.job-detail summary:focus-visible { outline: 2px solid #aa1bc0; outline-offset: 8px; }
.job-body { max-width: 780px; padding-top: 24px; font-size: 16px; line-height: 1.95; }
.job-body h3 { font-size: 20px; margin: 32px 0 12px; line-height: 1.5; }
.job-body p { margin: 12px 0; }
.job-body ul { list-style: disc; padding-left: 1.4em; margin: 14px 0; }
.job-body li { margin-bottom: 12px; padding-left: 5px; }
.job-body li::marker { color: #aa1bc0; }
.job-body .button { margin-top: 24px; }
body:has(.careers-page) .site-header { background: #1e252d; }
html[data-theme="light"] body:has(.careers-page) .site-header { background: #eff4fd; }
@media(max-width:700px) {
 .office-gallery { grid-template-columns: 1fr; }
 .office-gallery img { height: 300px; }
 .office-gallery figure:last-child img { height: 380px; }
 .job-detail summary { flex-direction: column; align-items: flex-start; gap: 12px; }
 .office-section { padding: 40px 0 64px; }
}


/* v0.4 — restrained editorial scale, intact media and lower paint cost. */
:root { --container: min(1160px, calc(100% - 64px)); }
h1,h2,h3 { letter-spacing: -.015em; overflow-wrap: break-word; }
.hero { min-height: 660px; }
.hero h1 { line-height: 1.24; letter-spacing: -.025em; max-width: 680px; margin-bottom: 24px; }
.hero-content { padding-block: 148px 88px; }
.hero-lead { font-size: 16px; max-width: 540px; margin-bottom: 30px; }
.hero::after { box-shadow: none !important; background: radial-gradient(circle,rgba(170,27,192,.12),transparent 68%); }
html[data-theme="light"] .hero::before { filter: none; }
/* v0.8.2 — the homepage hero uses the animated photon field, never a photo. */
.site-header { transition: background-color .2s, height .2s; }
.site-header.is-scrolled { background: #151820; }
.site-footer { background: #15171d; }
.vision::before { background: radial-gradient(circle at 35% 60%,rgba(222,164,111,.62) 0 1%,rgba(170,27,192,.38) 3%,rgba(89,16,109,.32) 20%,rgba(21,20,27,0) 62%); }
.hero::after { background: radial-gradient(circle,rgba(170,27,192,.18),rgba(222,164,111,.035) 38%,transparent 70%); }
html[data-theme="light"] .hero::after { background: radial-gradient(circle,rgba(131,22,151,.17),rgba(196,119,47,.08) 30%,transparent 68%); border-color: rgba(89,16,109,.34); }
.section-label { font-size: 11px; letter-spacing: .15em; margin-bottom: 20px; }
.section-label::before { width: 5px; height: 5px; flex-basis: 5px; box-shadow: none; }
.intro h2,.section-heading h2,.vision h2,.career-note h2 { line-height: 1.42; letter-spacing: -.02em; max-width: 23em; }
.intro-grid { grid-template-columns: 1fr 1fr; gap: 72px; }
.intro-grid > div:last-child { padding-top: 36px; }
.section-heading { grid-template-columns: minmax(0,1.25fr) minmax(0,.8fr); gap: 64px; align-items: center; }
.section-heading > p { padding-top: 0; margin: 32px 0 0; font-size: 15px; line-height: 1.85; }
.value-strip { margin-top: 48px; }
.value-strip > div { padding: 22px 24px; }
.value-strip b { font-size: 22px; }
.product-grid { grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: 48px; }
.product-copy h2 { font-size: clamp(32px,3.3vw,46px); line-height: 1.25; letter-spacing: -.025em; margin-bottom: 20px; }
.product-copy h2 em { display: inline-block; font-size: 15px; line-height: 1.6; letter-spacing: .035em; margin-top: 8px; }
/* Instrument nameplate signature: live text, no frame or background panel. */
.product-copy h2 em.ovx-wordmark { color: #1e252d; font-family: Arial, Helvetica, sans-serif; font-size: clamp(18px, 1.65vw, 24px); font-weight: 700; font-style: italic; letter-spacing: -.035em; line-height: 1.4; margin-top: 14px; white-space: nowrap; }
.ovx-wordmark-x { display: inline-block; font-size: 1.42em; line-height: .8; vertical-align: -.035em; margin-inline: -.035em; color: #aa1bc0; background: linear-gradient(125deg, #aa1bc0 0%, #aa1bc0 47%, #e89a32 48%, #e89a32 100%); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.product-copy h2 em.ovx-wordmark img { display:block; width:360px; max-width:100%; height:auto; }
@media (forced-colors: active) { .ovx-wordmark-x { background: none; -webkit-text-fill-color: CanvasText; } }
.product-copy > p { font-size: 15px; line-height: 1.85; }
.product-copy ul { margin: 24px 0; }
.product-copy li { padding: 11px 0; font-size: 14px; }
.product-visual { min-height: 0; margin: 0; padding: 24px; background: #fff; border: 1px solid #dce1e8; border-radius: 8px; }
.product-visual::before { display: none; }
.product-visual img { width: 100%; aspect-ratio: 4/3; object-fit: contain; filter: none; }
.product-visual figcaption { font-size: 12px; color: #69717b; text-align: center; padding-top: 12px; }
.roadmap { margin-top: 40px; }
.roadmap article { grid-template-columns: 48px minmax(0,1fr); padding: 24px 0; }
.roadmap article:hover { padding-left: 0; }
.roadmap article > div { grid-template-columns: 125px minmax(150px,.8fr) minmax(0,1.4fr); gap: 24px; }
.roadmap h3 { font-size: 20px; line-height: 1.5; }
.roadmap small { font-size: 10px; letter-spacing: .12em; }
.roadmap p { font-size: 15px; color: #afb4bf; }
.scene-grid { margin-top: 36px; }
.scene-grid a { min-height: 280px; padding: 28px; }
.scene-grid a:hover { transform: translateY(-3px); box-shadow: none; }
.scene-grid h3 { font-size: 26px; }
.scene-grid p { font-size: 15px; }
.insight-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; margin-top: 36px; align-items: start; }
.insight-grid article { border: 1px solid #e0e4ea; border-radius: 8px; }
.insight-grid article > a { display: block; padding: 20px; background: #fff; border-bottom: 1px solid #e0e4ea; }
.insight-grid img { width: 100%; height: 240px; aspect-ratio: auto; object-fit: contain; background: #fff; }
.insight-grid article > div { padding: 24px; }
.insight-grid h3,.insight-side h3 { font-size: 22px; line-height: 1.55; margin: 12px 0; }
.insight-grid small { font-size: 10px; letter-spacing: .1em; }
.insight-grid p { font-size: 15px; margin-bottom: 0; }
.vision { padding: 88px 0; }
.vision-content > p:not(.section-label) { margin: 24px 0 28px; }
.button { min-width: 132px; padding: 11px 20px; font-size: 14px; }
.careers-hero { padding: 140px 0 64px; }
.careers-hero h1 { line-height: 1.4; letter-spacing: -.02em; }
.careers-hero-grid,.career-note-grid { gap: 56px; }
.careers-summary p { font-size: 15px; }
.office-section h2 { font-size: var(--type-h2); }
.office-gallery { grid-template-columns: 1.6fr 1fr; align-items: start; }
.office-gallery img { height: 360px; object-fit: contain; background: #e9ecf0; }
.office-gallery figure:last-child img { height: 360px; object-fit: contain; }
.contact-intro { font-size: 17px; }
.job-detail summary strong { font-size: 21px; }
.salary-note { font-size: 14px; color: #59636f; margin: 20px 0 28px; max-width: 760px; }
.page-heading h1,.article-header h1 { font-size: var(--type-h1); line-height: 1.4; letter-spacing: -.02em; }
.prose { font-size: 16px; }
.prose h2 { font-size: 28px; }
.prose h3 { font-size: 21px; }
.article-hero img,.content-card img { object-fit: contain; background: #fff; }
.footer-grid { gap: 40px; }
:focus-visible { outline: 2px solid var(--purple); outline-offset: 5px; }
@media(max-width:980px) {
 .intro-grid,.product-grid,.section-heading,.careers-hero-grid,.career-note-grid { grid-template-columns: 1fr; gap: 28px; }
 .intro-grid > div:last-child,.section-heading > p { padding-top: 0; margin-top: 0; }
 .section-heading > p { max-width: 42em; }
 .product-visual { max-width: 640px; width: 100%; }
 .roadmap article > div { grid-template-columns: 100px 1fr; }
 .roadmap p { grid-column: 2; }
}
@media(max-width:640px) {
 :root { --container: calc(100% - 40px); --space-section: 56px; }
 .hero { min-height: 600px; }
 .hero-content { padding-block: 132px 64px; }
 .hero h1 { font-size: 36px; }
 .hero-lead { font-size: 15px; }
 .intro h2,.section-heading h2,.vision h2,.career-note h2 { font-size: 26px; }
 .careers-hero { padding: 120px 0 48px; }
 .careers-hero h1 { font-size: 30px; }
 .product-grid { gap: 28px; }
 .product-visual { padding: 16px; }
 .insight-grid,.office-gallery { grid-template-columns: 1fr; }
 .insight-grid img { height: 190px; }
 .roadmap article { grid-template-columns: 30px minmax(0,1fr); }
 .roadmap article > div { grid-template-columns: 1fr; gap: 8px; }
 .roadmap p { grid-column: auto; }
 .roadmap h3 { font-size: 19px; }
 .value-strip { margin-top: 32px; }
 .office-gallery img,.office-gallery figure:last-child img { height: auto; max-height: 440px; }
 .job-detail summary strong { font-size: 20px; }
 .vision { padding: 64px 0; }
 .footer-grid { gap: 32px 20px; }
}