:root {
  --ink: #07111f;
  --ink-soft: #0e1d2f;
  --paper: #f3f5f1;
  --paper-warm: #e9ece4;
  --white: #fbfcf8;
  --muted: #6b7580;
  --line: rgba(7, 17, 31, 0.14);
  --line-light: rgba(255, 255, 255, 0.15);
  --lime: #b9ff56;
  --cyan: #5ee8ff;
  --orange: #ff8a4c;
  --container: 1200px;
  --header-height: 82px;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 1000; padding: 10px 16px; background: var(--lime); color: var(--ink); border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-height); color: var(--white); border-bottom: 1px solid transparent; transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease; }
.site-header.scrolled { background: rgba(7, 17, 31, .86); border-color: rgba(255,255,255,.09); backdrop-filter: blur(16px); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand > span:last-child { display: flex; align-items: baseline; gap: 7px; }
.brand strong { font: 600 20px/1 "Space Grotesk", sans-serif; letter-spacing: -.04em; }
.brand small { font: 600 9px/1 "Space Grotesk", sans-serif; letter-spacing: .22em; color: var(--lime); }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; filter: invert(1); }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.site-nav a { position: relative; padding-block: 10px; color: rgba(255,255,255,.7); transition: color .2s ease; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 3px; height: 1px; background: var(--lime); transition: right .25s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--white); }
.site-nav a:hover::after, .site-nav a.active::after { right: 0; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; color: white; }
.menu-toggle span { display: block; width: 100%; height: 1px; margin: 6px 0; background: currentColor; transition: transform .25s ease, opacity .25s ease; }

.hero, .page-hero { position: relative; overflow: hidden; color: var(--white); background: var(--ink); }
.hero::before, .page-hero::before { content: ""; position: absolute; inset: 0; opacity: .24; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
.hero-home { min-height: 820px; height: 100svh; max-height: 980px; display: flex; align-items: center; padding-top: var(--header-height); }
.hero-home::after { content: ""; position: absolute; width: 540px; height: 540px; left: 48%; bottom: -300px; border-radius: 50%; background: rgba(94,232,255,.17); filter: blur(90px); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 40px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 26px; font: 600 11px/1 "Space Grotesk", sans-serif; letter-spacing: .2em; text-transform: uppercase; color: var(--lime); }
.eyebrow span { width: 24px; height: 1px; background: currentColor; }
.hero h1, .page-hero h1 { margin: 0; font: 500 clamp(58px, 7.3vw, 104px)/.98 "Noto Sans SC", sans-serif; letter-spacing: -.075em; }
.hero h1 em, .page-hero h1 em { color: var(--lime); font-style: normal; }
.hero-lead { max-width: 610px; margin: 30px 0 36px; color: rgba(255,255,255,.66); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-size: 14px; font-weight: 600; transition: transform .2s ease, color .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--ink); }
.button-primary:hover { background: #c8ff7a; }
.button-ghost { border-color: rgba(255,255,255,.24); color: white; }
.button-ghost:hover { border-color: white; }
.button-light { background: var(--white); color: var(--ink); }
.hero-meta { display: flex; gap: 44px; margin-top: 54px; padding-top: 26px; border-top: 1px solid var(--line-light); }
.hero-meta div { display: grid; gap: 5px; }
.hero-meta strong { font: 500 20px/1 "Space Grotesk", sans-serif; color: var(--white); }
.hero-meta span { color: rgba(255,255,255,.45); font-size: 12px; }
.hero-visual { display: grid; place-items: center; min-height: 500px; }
.nav-sphere { position: relative; width: min(39vw, 460px); aspect-ratio: 1; display: grid; place-items: center; }
.nav-sphere::before { content: ""; position: absolute; inset: 8%; border-radius: 50%; background: radial-gradient(circle at 42% 38%, rgba(185,255,86,.16), rgba(94,232,255,.08) 38%, rgba(7,17,31,0) 72%); box-shadow: inset 0 0 80px rgba(94,232,255,.08); }
.sphere-core { position: relative; z-index: 3; display: grid; place-items: center; width: 118px; height: 118px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 80px rgba(185,255,86,.2); color: var(--ink); }
.sphere-core img { width: 74%; height: 74%; object-fit: contain; }
.sphere-ring { position: absolute; inset: 13%; border: 1px solid rgba(255,255,255,.26); border-radius: 50%; }
.ring-a { transform: rotateX(68deg); animation: orbitA 12s linear infinite; }
.ring-b { transform: rotateY(68deg) rotateZ(38deg); animation: orbitB 15s linear infinite reverse; }
.ring-c { inset: 2%; border-color: rgba(94,232,255,.12); }
.sphere-node { position: absolute; z-index: 4; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.node-a { top: 17%; right: 19%; }.node-b { left: 9%; bottom: 34%; background: var(--orange); box-shadow: 0 0 16px var(--orange); }.node-c { right: 14%; bottom: 15%; background: var(--lime); box-shadow: 0 0 16px var(--lime); }
.sphere-label { position: absolute; padding: 7px 10px; border: 1px solid rgba(255,255,255,.12); background: rgba(7,17,31,.7); color: rgba(255,255,255,.55); font: 500 8px/1 "Space Grotesk"; letter-spacing: .13em; }
.label-a { top: 8%; left: 9%; }.label-b { top: 49%; right: -5%; }.label-c { bottom: 6%; left: 20%; }
.hero-orbit { position: absolute; border: 1px solid rgba(255,255,255,.055); border-radius: 50%; }
.orbit-one { width: 650px; height: 650px; right: -350px; top: -280px; }.orbit-two { width: 380px; height: 380px; left: -230px; bottom: -120px; }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 24px; display: flex; align-items: center; gap: 14px; color: rgba(255,255,255,.4); font-size: 10px; letter-spacing: .13em; }
.scroll-cue i { position: relative; width: 28px; height: 28px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; }
.scroll-cue i::after { content: ""; position: absolute; left: 50%; top: 8px; width: 1px; height: 8px; background: var(--lime); animation: scrollCue 1.8s ease infinite; }

.section { padding: 120px 0; }
.section-index { margin: 0; color: var(--muted); font: 600 10px/1 "Space Grotesk", sans-serif; letter-spacing: .18em; }
.statement-section { background: var(--white); }
.statement-grid { display: grid; grid-template-columns: 1fr 3fr; gap: 60px; }
.statement h2 { max-width: 940px; margin: 0; font: 500 clamp(34px, 4.5vw, 64px)/1.22 "Noto Sans SC", sans-serif; letter-spacing: -.055em; }
.statement h2 span { color: #6e8a45; }
.statement > p { max-width: 650px; margin: 35px 0 0 34%; color: var(--muted); font-size: 16px; line-height: 1.9; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 48px; }
.section-heading h2 { margin: 16px 0 0; font: 500 clamp(38px, 5vw, 60px)/1.1 "Noto Sans SC", sans-serif; letter-spacing: -.06em; }
.text-link { padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 14px; }
.text-link span { margin-left: 30px; }
.research-section { background: var(--paper); }
.research-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.research-card { position: relative; min-height: 395px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease, color .25s ease, transform .25s ease; }
.research-card:hover { z-index: 2; color: white; background: var(--ink-soft); transform: translateY(-6px); }
.card-number { color: var(--muted); font: 500 10px "Space Grotesk"; }
.card-icon { position: relative; width: 105px; height: 105px; margin: 55px auto 45px; border: 1px solid var(--line); border-radius: 50%; transition: border-color .2s ease; }
.research-card:hover .card-icon { border-color: rgba(255,255,255,.2); }
.card-icon::before, .card-icon::after { content: ""; position: absolute; }
.icon-ai::before { inset: 24px; border: 1px solid var(--cyan); transform: rotate(45deg); }.icon-ai::after { width: 10px; height: 10px; top: 47px; left: 47px; border-radius: 50%; background: var(--lime); box-shadow: 0 -28px 0 -3px var(--cyan), 0 28px 0 -3px var(--cyan), -28px 0 0 -3px var(--cyan), 28px 0 0 -3px var(--cyan); }
.icon-robot::before { width: 44px; height: 36px; top: 31px; left: 30px; border: 1px solid var(--orange); border-radius: 12px; }.icon-robot::after { width: 4px; height: 4px; top: 47px; left: 43px; border-radius: 50%; background: var(--lime); box-shadow: 16px 0 0 var(--lime), 8px -24px 0 0 var(--orange); }
.icon-data::before { inset: 24px; border: 1px dashed var(--cyan); border-radius: 50%; }.icon-data::after { width: 8px; height: 8px; top: 48px; left: 48px; background: var(--lime); border-radius: 50%; box-shadow: 0 -25px 0 -1px var(--cyan), 22px 14px 0 -1px var(--orange), -22px 14px 0 -1px var(--cyan); }
.icon-human::before { width: 23px; height: 23px; top: 28px; left: 26px; border: 1px solid var(--cyan); border-radius: 50%; box-shadow: 29px 21px 0 -1px var(--ink), 29px 21px 0 0 var(--orange); }.research-card:hover .icon-human::before { box-shadow: 29px 21px 0 -1px var(--ink-soft), 29px 21px 0 0 var(--orange); }.icon-human::after { width: 36px; height: 1px; top: 54px; left: 34px; background: var(--lime); transform: rotate(36deg); }
.research-card h3 { margin: 0 0 12px; font-size: 22px; font-weight: 600; }
.research-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; transition: color .2s ease; }
.research-card:hover p { color: rgba(255,255,255,.55); }
.card-arrow { position: absolute; right: 24px; bottom: 24px; font-size: 18px; opacity: 0; transform: translate(-8px, 8px); transition: opacity .2s ease, transform .2s ease; }
.research-card:hover .card-arrow { opacity: 1; transform: none; }
.impact-section { color: white; background: var(--ink-soft); }
.impact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: center; }
.impact-copy .section-index { color: var(--lime); }
.impact-copy h2 { margin: 22px 0; font: 500 clamp(42px, 5vw, 68px)/1.08 "Noto Sans SC"; letter-spacing: -.06em; }
.impact-copy > p:not(.section-index) { max-width: 480px; margin: 0 0 34px; color: rgba(255,255,255,.56); line-height: 1.9; }
.impact-panel { border-top: 1px solid var(--line-light); }
.impact-line { display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 20px; min-height: 92px; border-bottom: 1px solid var(--line-light); transition: padding .2s ease, background .2s ease; }
.impact-line:hover { padding-inline: 16px; background: rgba(255,255,255,.03); }
.impact-line span { color: var(--lime); font: 500 9px/1 "Space Grotesk"; letter-spacing: .15em; }
.impact-line strong { font-size: 18px; font-weight: 500; }
.impact-line i { font-style: normal; color: rgba(255,255,255,.4); }
.join-banner-section { background: var(--paper-warm); }
.join-banner { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 72px 7%; color: white; background: var(--ink); border-radius: var(--radius); overflow: hidden; position: relative; }
.join-banner::before { content: ""; position: absolute; width: 360px; height: 360px; right: 1%; border: 1px solid rgba(185,255,86,.13); border-radius: 50%; }
.join-banner h2 { position: relative; margin: 0; font: 500 clamp(36px, 5vw, 64px)/1.16 "Noto Sans SC"; letter-spacing: -.06em; }
.circle-link { position: relative; z-index: 2; flex: 0 0 150px; width: 150px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink); transition: transform .25s ease, box-shadow .25s ease; }
.circle-link:hover { transform: rotate(-6deg) scale(1.04); box-shadow: 0 0 60px rgba(185,255,86,.18); }
.circle-link span { font-weight: 600; line-height: 1.35; }.circle-link i { position: absolute; right: 30px; top: 25px; font-style: normal; }

.page-hero { min-height: 590px; padding: 190px 0 100px; }
.page-hero::after { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; bottom: -330px; border-radius: 50%; background: rgba(185,255,86,.11); filter: blur(70px); }
.page-hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 70px; }
.page-hero h1 { font-size: clamp(52px, 6.4vw, 88px); }
.page-hero-lead { max-width: 430px; margin: 0 0 8px; color: rgba(255,255,255,.56); font-size: 16px; line-height: 1.9; }
.department-list { padding-top: 40px; background: var(--white); }
.department { display: grid; grid-template-columns: 1fr 3fr; gap: 60px; padding: 90px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 80px; }
.department-aside { display: flex; flex-direction: column; justify-content: space-between; color: var(--muted); font: 500 11px "Space Grotesk"; }
.department-symbol { position: relative; width: 150px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; }
.department-symbol::before, .department-symbol::after { content: ""; position: absolute; }
.symbol-ai::before { inset: 34px; border: 1px solid #5d84a7; transform: rotate(45deg); }.symbol-ai::after { inset: 52px; border-radius: 50%; background: var(--lime); }
.symbol-embodied::before { width: 64px; height: 52px; top: 49px; left: 43px; border: 1px solid var(--orange); border-radius: 18px; }.symbol-embodied::after { width: 5px; height: 5px; top: 72px; left: 62px; border-radius: 50%; background: var(--ink); box-shadow: 22px 0 0 var(--ink), 11px -37px 0 0 var(--orange); }
.symbol-data::before { inset: 35px; border: 1px dashed #5d84a7; border-radius: 50%; }.symbol-data::after { width: 10px; height: 10px; top: 70px; left: 70px; border-radius: 50%; background: var(--lime); box-shadow: 0 -37px 0 -2px #5d84a7, 32px 21px 0 -2px var(--orange), -32px 21px 0 -2px #5d84a7; }
.symbol-human::before { width: 34px; height: 34px; top: 40px; left: 38px; border: 1px solid #5d84a7; border-radius: 50%; box-shadow: 40px 30px 0 -1px var(--white), 40px 30px 0 0 var(--orange); }.symbol-human::after { width: 55px; height: 1px; top: 78px; left: 47px; background: #6e8a45; transform: rotate(36deg); }
.tagline { margin: 0 0 13px; color: #6e8a45; font: 600 10px/1 "Space Grotesk"; letter-spacing: .18em; }
.department-content h2 { margin: 0; font: 500 clamp(38px, 4.5vw, 58px)/1.15 "Noto Sans SC"; letter-spacing: -.055em; }
.department-intro { max-width: 720px; margin: 24px 0 32px; font-size: 18px; line-height: 1.8; }
.topic-list { display: flex; flex-wrap: wrap; gap: 9px; }
.topic-list span, .status-pill { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 11px; }
.department-note { display: grid; grid-template-columns: 100px 1fr; gap: 34px; max-width: 700px; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); }
.department-note strong { font-size: 12px; }.department-note p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.collaboration-section { background: var(--paper-warm); }
.collaboration-card { position: relative; overflow: hidden; padding: 80px 8%; color: white; background: var(--ink-soft); border-radius: var(--radius); }
.collaboration-card::after { content: ""; position: absolute; width: 430px; height: 430px; right: -100px; top: -180px; border: 1px solid rgba(185,255,86,.16); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.015); }
.collaboration-card .section-index { color: var(--lime); }.collaboration-card h2 { margin: 26px 0; font: 500 clamp(42px, 5vw, 64px)/1.14 "Noto Sans SC"; letter-spacing: -.06em; }.collaboration-card > p:not(.section-index) { max-width: 580px; color: rgba(255,255,255,.58); line-height: 1.9; }.collaboration-card .button { margin-top: 20px; }

.achievements-hero { padding-bottom: 0; }
.stat-strip { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 85px; border-top: 1px solid var(--line-light); }
.stat-strip div { display: grid; gap: 8px; padding: 28px 0 34px; border-right: 1px solid var(--line-light); }
.stat-strip div:not(:first-child) { padding-left: 28px; }.stat-strip div:last-child { border-right: 0; }
.stat-strip strong { font: 500 36px/1 "Space Grotesk"; color: var(--lime); }.stat-strip span { color: rgba(255,255,255,.45); font-size: 11px; }
.content-note { margin: 0; padding: 8px 12px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: 11px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-card { overflow: hidden; min-height: 500px; border: 1px solid var(--line); background: var(--white); }
.feature-card-large { grid-row: span 2; min-height: 1020px; }
.feature-visual { position: relative; height: 245px; display: grid; place-items: center; overflow: hidden; background: var(--ink-soft); color: white; }
.feature-card-large .feature-visual { height: 610px; }
.feature-visual > span { position: relative; z-index: 2; font: 500 12px "Space Grotesk"; letter-spacing: .16em; }
.visual-orbit::before, .visual-orbit::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(185,255,86,.34); }.visual-orbit::before { width: 420px; height: 420px; box-shadow: 0 0 0 50px rgba(255,255,255,.025), 0 0 0 100px rgba(255,255,255,.015); }.visual-orbit::after { width: 150px; height: 150px; background: var(--lime); box-shadow: 0 0 70px rgba(185,255,86,.18); }
.visual-grid { background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 32px 32px; }.visual-grid::before { content: ""; position: absolute; width: 95px; height: 95px; border: 1px solid var(--cyan); transform: rotate(45deg); }
.visual-wave::before { content: ""; position: absolute; width: 140%; height: 90px; border-top: 2px solid var(--orange); border-radius: 50%; transform: rotate(-8deg); box-shadow: 0 -12px 0 -11px var(--cyan), 0 -24px 0 -23px var(--lime); }
.feature-copy { padding: 30px; }.feature-copy h3 { margin: 0 0 12px; font-size: 25px; line-height: 1.35; }.feature-copy > p:not(.tagline) { margin: 0 0 24px; color: var(--muted); line-height: 1.7; font-size: 14px; }
.timeline-section { background: var(--paper-warm); }
.timeline-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 110px; }
.timeline-heading { position: sticky; top: 130px; align-self: start; }.timeline-heading h2 { margin: 18px 0 22px; font: 500 clamp(42px, 5vw, 62px)/1.1 "Noto Sans SC"; letter-spacing: -.06em; }.timeline-heading > p:last-child { color: var(--muted); line-height: 1.8; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 110px 1fr; gap: 30px; padding: 42px 0; border-bottom: 1px solid var(--line); }
.timeline-year { font: 500 18px "Space Grotesk"; color: #6e8a45; }.timeline-item h3 { margin: 0 0 13px; font-size: 22px; }.timeline-item p { margin: 0 0 17px; color: var(--muted); line-height: 1.75; }.timeline-item div > span { font-size: 11px; letter-spacing: .08em; color: var(--muted); }

.values-section { background: var(--white); }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.value-card { min-height: 280px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.value-card > span { color: #6e8a45; font: 500 11px "Space Grotesk"; }.value-card h3 { margin: 100px 0 14px; font-size: 22px; }.value-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.openings-section { background: var(--paper-warm); }
.openings-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 100px; }
.openings-heading { position: sticky; top: 130px; align-self: start; }.openings-heading h2 { margin: 18px 0 24px; font: 500 clamp(42px, 5vw, 62px)/1.1 "Noto Sans SC"; letter-spacing: -.06em; }.openings-heading > p:last-child { color: var(--muted); line-height: 1.8; }
.opening { display: grid; grid-template-columns: 1fr auto; gap: 25px; padding: 36px 0; border-top: 1px solid var(--line); }.opening:last-child { border-bottom: 1px solid var(--line); }.opening > div:first-child > span { color: #6e8a45; font-size: 11px; }.opening h3 { margin: 10px 0 12px; font-size: 24px; }.opening p { max-width: 610px; margin: 0; color: var(--muted); line-height: 1.7; font-size: 14px; }
.opening-toggle { align-self: start; display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; transition: color .2s ease, background .2s ease, transform .25s ease; }.opening-toggle:hover { background: var(--ink); color: white; }.opening.open .opening-toggle { transform: rotate(45deg); background: var(--lime); color: var(--ink); }
.opening-detail { grid-column: 1 / -1; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .35s ease, opacity .3s ease; }.opening.open .opening-detail { max-height: 260px; opacity: 1; }.opening-detail h4 { margin: 15px 0 8px; font-size: 13px; }.opening-detail ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 13px; line-height: 2; }
.process-section { color: white; background: var(--ink-soft); }.process-section .section-index { color: var(--lime); }.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-light); border: 1px solid var(--line-light); }.process-step { min-height: 300px; padding: 30px; background: var(--ink-soft); }.process-step > span { color: var(--lime); font: 500 11px "Space Grotesk"; }.process-step h3 { margin: 110px 0 14px; font-size: 21px; }.process-step p { margin: 0; color: rgba(255,255,255,.48); font-size: 13px; line-height: 1.75; }
.contact-section { background: var(--paper); }.contact-card { display: grid; grid-template-columns: 1fr .7fr; gap: 80px; align-items: center; padding: 70px 7%; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }.contact-card h2 { margin: 0 0 18px; font: 500 clamp(42px, 5vw, 64px)/1.1 "Noto Sans SC"; letter-spacing: -.06em; }.contact-card > div:first-child > p:last-child { max-width: 620px; color: var(--muted); line-height: 1.8; }.contact-card .eyebrow { color: #6e8a45; }.contact-placeholder { display: grid; gap: 10px; padding: 28px; background: var(--paper-warm); border-radius: 15px; }.contact-placeholder span { color: #6e8a45; font: 600 9px "Space Grotesk"; letter-spacing: .14em; }.contact-placeholder strong { font-size: 20px; }.contact-placeholder small { color: var(--muted); }

.site-footer { padding: 75px 0 25px; color: rgba(255,255,255,.55); background: #050c16; }
.footer-grid { display: grid; grid-template-columns: 2fr .7fr 1fr; gap: 70px; padding-bottom: 65px; }
.brand-footer { color: white; margin-bottom: 22px; }.brand-full-logo { width: 128px; height: auto; filter: invert(1); }.footer-grid > div:first-child p { max-width: 320px; line-height: 1.8; }.footer-grid h3 { margin: 4px 0 22px; color: white; font-size: 12px; }.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; font-size: 13px; }.footer-grid > div:not(:first-child) p { margin: 0; }.footer-grid a:not(.brand):hover { color: var(--lime); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; letter-spacing: .09em; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: none; }.reveal-delay, .reveal-delay-1 { transition-delay: .12s; }.reveal-delay-2 { transition-delay: .22s; }.reveal-delay-3 { transition-delay: .32s; }
@keyframes orbitA { to { transform: rotateX(68deg) rotateZ(360deg); } }
@keyframes orbitB { to { transform: rotateY(68deg) rotateZ(398deg); } }
@keyframes scrollCue { 0%,100% { transform: translate(-50%,0); opacity: .2; } 50% { transform: translate(-50%,6px); opacity: 1; } }

@media (max-width: 980px) {
  .container { width: min(calc(100% - 36px), var(--container)); }
  .hero-home { height: auto; min-height: 900px; padding: 150px 0 100px; }
  .hero-grid { grid-template-columns: 1fr; }.hero-visual { position: absolute; z-index: -1; right: -150px; bottom: -60px; opacity: .58; }.nav-sphere { width: 500px; }
  .hero-copy { max-width: 760px; }.statement-grid { grid-template-columns: 1fr; }.statement > p { margin-left: 18%; }
  .research-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }.impact-grid { gap: 55px; }.impact-line { grid-template-columns: 110px 1fr auto; }
  .page-hero-grid { grid-template-columns: 1fr; }.page-hero-lead { max-width: 620px; }.department { grid-template-columns: 190px 1fr; gap: 30px; }
  .timeline-layout, .openings-layout { gap: 55px; }.feature-card-large { min-height: 940px; }.feature-card-large .feature-visual { height: 540px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }.contact-card { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 720px) {
  :root { --header-height: 70px; --radius: 18px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .menu-toggle { display: block; position: relative; z-index: 102; }
  .menu-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; z-index: 101; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 10px; padding: 90px 28px; background: var(--ink); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity .25s ease, visibility .25s ease, transform .25s ease; }
  .menu-open .site-nav { opacity: 1; visibility: visible; transform: none; }.site-nav a { font-size: 34px; font-weight: 600; letter-spacing: -.04em; }.site-nav a::after { display: none; }
  .hero-home { min-height: 850px; padding: 130px 0 80px; }.hero h1, .page-hero h1 { font-size: clamp(47px, 14vw, 66px); }.hero-lead { margin-top: 25px; font-size: 15px; }.hero-actions { display: grid; }.button { width: 100%; }.hero-meta { gap: 24px; justify-content: space-between; }.hero-visual { right: -215px; bottom: -75px; opacity: .38; }.nav-sphere { width: 440px; }.sphere-label { display: none; }.scroll-cue { display: none; }
  .section { padding: 82px 0; }.statement h2 { font-size: 34px; }.statement > p { margin: 27px 0 0; }.section-heading { align-items: flex-start; }.section-heading h2 { font-size: 40px; }.text-link { margin-top: 28px; font-size: 12px; }.text-link span { margin-left: 10px; }
  .research-grid { grid-template-columns: 1fr; }.research-card { min-height: 310px; }.card-icon { margin: 32px auto; }.impact-grid { grid-template-columns: 1fr; }.impact-line { grid-template-columns: 1fr auto; gap: 8px; padding: 20px 0; }.impact-line span { grid-column: 1 / -1; }.join-banner { align-items: flex-start; padding: 45px 28px; }.join-banner h2 { font-size: 37px; }.circle-link { flex-basis: 88px; width: 88px; }.circle-link i { right: 14px; top: 12px; }.circle-link span { font-size: 12px; }
  .page-hero { min-height: 560px; padding: 145px 0 75px; }.page-hero-grid { gap: 34px; }.department-list { padding-top: 0; }.department { grid-template-columns: 1fr; padding: 70px 0; }.department-aside { flex-direction: row; align-items: center; }.department-symbol { width: 80px; }.department-symbol::before, .department-symbol::after { transform: scale(.55); transform-origin: center; }.symbol-ai::before { transform: rotate(45deg) scale(.55); }.symbol-human::before { transform: scale(.55); }.department-intro { font-size: 16px; }.department-note { grid-template-columns: 1fr; gap: 10px; }.collaboration-card { padding: 50px 28px; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); margin-top: 60px; }.stat-strip div { padding: 22px 0; border-bottom: 1px solid var(--line-light); }.stat-strip div:not(:first-child) { padding-left: 20px; }.stat-strip div:nth-child(2) { border-right: 0; }.feature-grid { grid-template-columns: 1fr; }.feature-card-large { grid-row: auto; min-height: 580px; }.feature-card-large .feature-visual { height: 320px; }.feature-card { min-height: 500px; }
  .timeline-layout, .openings-layout { grid-template-columns: 1fr; gap: 50px; }.timeline-heading, .openings-heading { position: static; }.timeline-item { grid-template-columns: 75px 1fr; gap: 15px; }.values-grid { grid-template-columns: 1fr; }.value-card { min-height: 220px; }.value-card h3 { margin-top: 65px; }.process-grid { grid-template-columns: 1fr; }.process-step { min-height: 230px; }.process-step h3 { margin-top: 65px; }.contact-card { padding: 45px 25px; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }.footer-bottom { gap: 15px; flex-direction: column; }
}

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

/* Brand-led homepage */
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
body[data-page="home"] .site-header { color: var(--ink); }
body[data-page="home"] .site-header.scrolled { color: var(--ink); background: rgba(243,245,241,.9); border-color: var(--line); }
body[data-page="home"] .brand-mark img { filter: none; }
body[data-page="home"] .site-nav a { color: rgba(7,17,31,.55); }
body[data-page="home"] .site-nav a:hover,
body[data-page="home"] .site-nav a.active { color: var(--ink); }
body[data-page="home"] .menu-toggle { color: var(--ink); }

.hero-home { min-height: 780px; height: 100svh; max-height: 930px; padding: 120px 0 70px; color: var(--ink); background: var(--paper); text-align: center; }
.hero-home::before { opacity: .35; background-image: linear-gradient(rgba(7,17,31,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(7,17,31,.045) 1px, transparent 1px); mask-image: radial-gradient(circle at center, black, transparent 75%); }
.hero-home::after { width: 520px; height: 520px; left: calc(50% - 260px); bottom: -390px; background: rgba(185,255,86,.32); filter: blur(80px); }
.hero-logo-watermark { position: absolute; width: min(76vw, 980px); aspect-ratio: 1; left: 50%; top: 50%; background: url("assets/navigator-mark.png") center/contain no-repeat; opacity: .022; transform: translate(-50%, -46%); }
.hero-brand-stage { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.hero-brand-stage .eyebrow { justify-content: center; margin-bottom: 18px; color: #607b3c; }
.hero-brand-stage .eyebrow span { width: 42px; }
.hero-full-logo { width: min(39vw, 430px); height: auto; display: block; }
.hero-brand-stage .hero-lead { max-width: 560px; margin: 16px auto 26px; color: var(--muted); font-size: 15px; }
.hero-brand-stage .hero-actions { justify-content: center; }
.hero-home .button-primary { color: white; background: var(--ink); }
.hero-home .button-primary:hover { background: #17283c; }
.hero-home .button-ghost { color: var(--ink); border-color: rgba(7,17,31,.22); }
.hero-home .button-ghost:hover { border-color: var(--ink); }
.hero-home .scroll-cue { left: 50%; bottom: 22px; width: auto; color: rgba(7,17,31,.45); transform: translateX(-50%); }
.hero-home .scroll-cue i { border-color: rgba(7,17,31,.2); }
.hero-home .scroll-cue i::after { background: var(--ink); }

.photo-wall-section { position: relative; overflow: hidden; padding: 82px 0 96px; color: white; background: var(--ink); }
.photo-wall-section::before { content: ""; position: absolute; width: 420px; height: 420px; right: -180px; top: -230px; border: 1px solid rgba(185,255,86,.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.018), 0 0 0 140px rgba(255,255,255,.012); }
.photo-wall-heading { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: end; margin-bottom: 48px; }
.photo-wall-heading .section-index { color: var(--lime); }
.photo-wall-heading h2 { margin: 15px 0 0; font: 500 clamp(40px,5vw,62px)/1.08 "PingFang SC","Microsoft YaHei",sans-serif; letter-spacing: -.06em; }
.photo-wall-heading > p { margin: 0 0 5px; color: rgba(255,255,255,.45); font-size: 12px; }
.photo-wall-window { position: relative; z-index: 2; width: 100%; overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 5%, black 95%, transparent); }
.photo-wall-track { width: max-content; display: flex; align-items: flex-end; gap: 16px; padding: 0 8px; animation: galleryScroll 42s linear infinite; will-change: transform; }
.photo-wall-window:hover .photo-wall-track { animation-play-state: paused; }
.photo-card { position: relative; flex: 0 0 320px; height: 225px; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.13); border-radius: 4px; background: #111f31; }
.photo-card-tall { flex-basis: 250px; height: 285px; }
.photo-card-wide { flex-basis: 420px; height: 250px; }
.photo-placeholder, .photo-image { position: absolute; inset: 0; width: 100%; height: 100%; }
.photo-placeholder { display: grid; place-items: center; background: linear-gradient(145deg,#132338,#0a1523); }
.photo-card:nth-child(3n + 2) .photo-placeholder { background: linear-gradient(145deg,#1d2b25,#0b171a); }
.photo-card:nth-child(3n) .photo-placeholder { background: linear-gradient(145deg,#26271d,#11180f); }
.photo-placeholder img { width: 82px; height: 82px; object-fit: contain; filter: invert(1); opacity: .11; }
.photo-placeholder span { position: absolute; left: 16px; top: 15px; color: rgba(255,255,255,.34); font: 600 9px/1 Inter,Arial,sans-serif; letter-spacing: .16em; }
.photo-image { z-index: 2; object-fit: cover; opacity: 0; transform: scale(1.015); transition: opacity .3s ease, transform .6s ease; }
.photo-card.has-image .photo-image { opacity: 1; }
.photo-card:hover .photo-image { transform: scale(1.055); }
.photo-card figcaption { position: absolute; z-index: 3; inset: auto 0 0; padding: 42px 17px 15px; color: rgba(255,255,255,.9); background: linear-gradient(transparent,rgba(5,12,22,.82)); font-size: 11px; }
@keyframes galleryScroll { to { transform: translateX(calc(-50% - 8px)); } }

@media (max-width: 980px) {
  .hero-home { min-height: 760px; height: 90svh; padding: 110px 0 60px; }
  .hero-full-logo { width: min(54vw, 410px); }
}

@media (max-width: 720px) {
  body[data-page="home"].menu-open .site-header { color: white; }
  body[data-page="home"].menu-open .brand-mark img { filter: invert(1); }
  body[data-page="home"].menu-open .menu-toggle { color: white; }
  body[data-page="home"] .site-nav a { color: rgba(255,255,255,.7); }
  body[data-page="home"] .site-nav a:hover,
  body[data-page="home"] .site-nav a.active { color: white; }
  .hero-home { min-height: 680px; height: 92svh; padding: 105px 0 60px; }
  .hero-logo-watermark { width: 130vw; }
  .hero-full-logo { width: min(76vw, 330px); }
  .hero-brand-stage .hero-lead { margin: 10px auto 22px; }
  .hero-brand-stage .hero-actions { width: 100%; }
  .hero-home .scroll-cue { display: flex; white-space: nowrap; }
  .photo-wall-section { padding: 65px 0 76px; }
  .photo-wall-heading { align-items: flex-start; margin-bottom: 35px; }
  .photo-wall-heading > p { max-width: 120px; text-align: right; line-height: 1.5; }
  .photo-card { flex-basis: 250px; height: 180px; }
  .photo-card-tall { flex-basis: 200px; height: 225px; }
  .photo-card-wide { flex-basis: 310px; height: 195px; }
}

@media (prefers-reduced-motion: reduce) {
  .photo-wall-track { animation: none; }
  .photo-wall-window { overflow-x: auto; mask-image: none; }
}
