:root {
  --bg: #08090a;
  --panel: #0d0f12;
  --panel-2: #121419;
  --text: #f1f2f4;
  --body: #c6c8ce;
  --muted: #797d86;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #8d96ff;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; background: var(--bg); color-scheme: dark; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--body); font-family: "Segoe UI Variable", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.6; letter-spacing: 0; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
::selection { background: rgba(141, 150, 255, .32); color: var(--text); }
.shell { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }

.announcement { display: none; }
.header { position: sticky; top: 0; z-index: 100; height: 72px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; width: 100%; padding-inline: max(24px, calc((100vw - 1200px) / 2)); border-bottom: 1px solid var(--line); background: rgba(8, 9, 10, .84); backdrop-filter: blur(20px) saturate(140%); }
.wordmark { display: inline-flex; align-items: center; gap: 10px; justify-self: start; color: var(--text); font-size: 15px; font-weight: 650; }
.wordmark img { width: 30px; height: 30px; border-radius: 6px; }
.nav { display: flex; align-items: center; gap: 30px; color: var(--muted); font-size: 13px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 5px; transition: color 180ms var(--ease); }
.nav a span { color: #4d5159; font-size: 11px; }
.nav a:hover { color: var(--text); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 20px; }
.plain-link { color: var(--muted); font-size: 13px; }
.dark-button,.light-button,.outline-button { min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 9px 16px; border: 1px solid transparent; border-radius: 9px; font-size: 13px; font-weight: 650; white-space: nowrap; transition: transform 160ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease); }
.dark-button,.light-button { background: var(--text); color: #111216; }
.outline-button { border-color: var(--line-strong); color: var(--text); background: transparent; }
.dark-button:hover,.light-button:hover { background: #dfe1e6; transform: translateY(-1px); }
.outline-button:hover { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.25); }
.dark-button:active,.light-button:active,.outline-button:active { transform: scale(.97); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; border: 0; background: transparent; }
.menu-toggle span { display: block; width: 21px; height: 1px; margin: 6px auto; background: var(--body); }
:where(a,button):focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.hero { position: relative; min-height: 980px; padding-top: 188px; }
.hero::before { content: ""; position: absolute; left: 50%; top: 470px; width: min(1100px,90vw); height: 600px; transform: translate(-50%,-50%); background: radial-gradient(ellipse,rgba(141,150,255,.10),transparent 65%); pointer-events: none; }
.hero-content { position: relative; z-index: 1; }
.hero h1 { max-width: 1080px; margin: 0; color: var(--text); font-size: clamp(56px,6vw,84px); font-weight: 520; line-height: 1.04; letter-spacing: -.045em; }
.hero-meta { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: end; gap: 48px; margin-top: 34px; }
.hero-meta p { max-width: 470px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.58; }
.hero-frame { position: relative; z-index: 1; margin: 78px 0 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 12px 12px 0 0; background: var(--panel); box-shadow: 0 70px 140px rgba(0,0,0,.42); }
.frame-bar { height: 46px; display: flex; align-items: center; padding: 0 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.frame-bar > span { display: flex; gap: 6px; }
.frame-bar i { width: 8px; height: 8px; border-radius: 50%; background: #41444b; }
.frame-bar b { margin-left: 16px; font-weight: 500; }
.frame-bar em { margin-left: auto; font-style: normal; }
.hero-image { display: block; width: 100%; height: auto; }

.partner-line { padding: 64px 0 118px; border-top: 1px solid var(--line); }
.partner-line p { margin: 0 0 36px; color: var(--muted); font-size: 13px; }
.partner-line > div { display: flex; align-items: center; justify-content: space-between; gap: 28px; color: #656972; font-size: 13px; }
.partner-line > div span { white-space: nowrap; }

.platform-intro { padding: 150px 0 100px; border-top: 1px solid var(--line); }
.platform-intro h2,.use-heading h2,.research h2,.company h2,.news h2,.contact h2 { max-width: 980px; margin: 0; color: var(--text); font-size: clamp(46px,5vw,70px); font-weight: 520; line-height: 1.06; letter-spacing: -.04em; }
.platform { display: grid; grid-template-columns: minmax(360px,.4fr) minmax(0,.6fr); min-height: 680px; margin-bottom: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.platform-copy { padding: 64px 52px; }
.platform-name,.research-copy > span,.company-title > span,.case-card span,.news article > span { color: var(--muted); font-size: 11px; letter-spacing: .06em; }
.platform h3 { margin: 22px 0 26px; color: var(--text); font-size: 43px; font-weight: 520; line-height: 1.12; letter-spacing: -.035em; }
.platform-lead { margin: 0 0 18px; color: var(--body); font-size: 17px; line-height: 1.65; }
.platform-copy > p:not(.platform-lead) { max-width: 500px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.78; }
.platform-actions { display: flex; align-items: center; gap: 22px; margin-top: 34px; }
.text-button { min-height: 40px; display: inline-flex; align-items: center; gap: 10px; color: var(--body); font-size: 13px; font-weight: 600; transition: color 180ms var(--ease),transform 180ms var(--ease); }
.text-button:hover { color: var(--accent); transform: translateX(2px); }
.platform-copy small { display: block; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); color: #62666e; font-size: 11px; }
.platform-media { min-height: 680px; overflow: hidden; background: #101218; }
.platform-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.62) contrast(1.05); transition: transform 800ms var(--ease),filter 500ms var(--ease); }
.platform-media-agent { background: #0d1016; }
.platform-media-compute { background: #0a0d12; }
.platform-media-model { background: #0b0913; }
.platform-media-agent img { object-position: 56% center; }
.platform-media-compute img { object-position: center; }
.platform-media-model img { object-position: 58% center; }
.stage-switch { display: flex; margin-top: 34px; margin-bottom: 148px; border-bottom: 1px solid var(--line); }
.stage-switch button { position: relative; flex: 1; min-height: 58px; border: 0; background: transparent; color: #636770; cursor: pointer; }
.stage-switch button::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 1px; background: var(--text); transition: right 420ms var(--ease); }
.stage-switch button.active { color: var(--text); }
.stage-switch button.active::after { right: 0; }

.use-cases { padding: 148px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.use-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 96px; align-items: end; margin-bottom: 72px; }
.use-heading p { margin: 0; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; line-height: 1.75; }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.case-card { position: relative; min-height: 560px; overflow: hidden; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--panel); }
.case-card:nth-child(2) { border-right: 0; }
.case-featured { grid-column: 1/-1; min-height: 680px; border-right: 0; }
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.55) brightness(.75); transition: transform 900ms var(--ease),filter 500ms var(--ease); }
.case-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(8,9,10,.98),rgba(8,9,10,.06) 72%); }
.case-card > div { position: absolute; z-index: 1; left: 38px; right: 38px; bottom: 38px; }
.case-card h3 { max-width: 660px; margin: 14px 0 12px; color: var(--text); font-size: 32px; font-weight: 520; line-height: 1.18; letter-spacing: -.03em; }
.case-featured h3 { font-size: 44px; }
.case-card p { max-width: 520px; margin: 0 0 24px; color: #9a9ea7; font-size: 14px; }
.case-card a { color: var(--body); font-size: 12px; font-weight: 600; }

.research { display: grid; grid-template-columns: minmax(0,.46fr) minmax(0,.54fr); gap: 110px; padding-block: 150px; }
.research-copy p { max-width: 580px; margin: 28px 0 36px; color: var(--muted); font-size: 15px; line-height: 1.78; }
.research-list { border-top: 1px solid var(--line); }
.research-list a { min-height: 126px; display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center; border-bottom: 1px solid var(--line); transition: background-color 200ms var(--ease),padding 240ms var(--ease); }
.research-list a > span { color: #575b64; font-size: 10px; }
.research-list b,.research-list small { display: block; }
.research-list b { color: var(--text); font-size: 17px; font-weight: 520; }
.research-list small { margin-top: 5px; color: #6e727b; font-size: 12px; }
.research-list em { color: #61656d; font-style: normal; }

.company { display: grid; grid-template-columns: 1.25fr .75fr; gap: 110px; padding-block: 150px; border-top: 1px solid var(--line); }
.company-copy { padding-top: 28px; border-top: 1px solid var(--line); }
.company-copy > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.78; }
.company-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 50px; }
.company-stats span { padding-right: 18px; border-right: 1px solid var(--line); }
.company-stats span:last-child { border: 0; padding-left: 18px; }
.company-stats span:nth-child(2) { padding-left: 18px; }
.company-stats b,.company-stats small { display: block; }
.company-stats b { color: var(--text); font-size: 28px; font-weight: 520; }
.company-stats small { margin-top: 4px; color: #646871; font-size: 10px; }

.news { padding-block: 150px; border-top: 1px solid var(--line); }
.news h2 { margin-bottom: 68px; }
.news-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 0; border-top: 1px solid var(--line); }
.news article { position: relative; min-height: 520px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.news article:nth-child(2) { border-right: 0; }
.news article:nth-child(3) { grid-column: 1/-1; min-height: 650px; border-right: 0; }
.news article img { width: 100%; height: 300px; margin-bottom: 26px; object-fit: cover; filter: saturate(.55); }
.news article:nth-child(3) img { height: 430px; }
.news article h3 { margin: 12px 0 10px; color: var(--text); font-size: 26px; font-weight: 520; line-height: 1.2; letter-spacing: -.025em; }
.news article p { max-width: 510px; margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.news article a { color: var(--body); font-size: 12px; }

.contact { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 80px; padding-block: 148px; border-top: 1px solid var(--line); }
.contact-copy p { max-width: 580px; margin: 28px 0 0; color: var(--muted); font-size: 16px; }
.contact-actions { display: flex; gap: 12px; }
.footer { border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 1.7fr repeat(3,1fr); gap: 70px; padding: 80px 0 64px; }
.footer-wordmark { color: var(--text); font-size: 20px; font-weight: 650; }
.footer-top > div { display: flex; flex-direction: column; gap: 9px; }
.footer-top b { margin-bottom: 10px; color: var(--body); font-size: 12px; font-weight: 560; }
.footer-top div a { color: #6d717a; font-size: 11px; transition: color 180ms var(--ease); }
.footer-top div a:hover { color: var(--text); }
.footer-bottom { display: flex; gap: 34px; padding: 22px 0 28px; border-top: 1px solid var(--line); color: #565a62; font-size: 10px; }
.footer-bottom a { margin-left: auto; }
.footer-bottom a.icp-record { margin-left:0; color:inherit; text-decoration:none; }
.footer-bottom a.icp-record:hover { text-decoration:underline; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--ease),transform 700ms var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

@media (hover:hover) {
  .platform:hover .platform-media img,.case-card:hover img { transform: scale(1.025); filter: saturate(.78) contrast(1.04); }
  .research-list a:hover { padding-inline: 12px; background: rgba(255,255,255,.025); }
}

@keyframes aura { from { opacity:.52; transform:translate(-50%,-50%) scale(.96); } to { opacity:1; transform:translate(-50%,-50%) scale(1.04); } }
@media (prefers-reduced-motion:no-preference) { .hero::before { animation:aura 8s cubic-bezier(.77,0,.175,1) infinite alternate; } }

@media (max-width:1040px) {
  .header { grid-template-columns:1fr auto; }
  .nav { display:none; position:absolute; top:72px; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; padding:14px 24px 20px; border-bottom:1px solid var(--line); background:rgba(8,9,10,.98); }
  .nav.open { display:flex; }
  .menu-toggle { display:block; }
  .plain-link { display:none; }
  .hero { min-height:auto; padding-top:150px; }
  .hero-meta { grid-template-columns:1fr; gap:28px; }
  .hero-frame { margin-top:58px; }
  .platform,.research,.company { grid-template-columns:1fr; }
  .platform-media { min-height:520px; }
  .research,.company { gap:58px; }
  .use-heading { grid-template-columns:1fr; gap:36px; }
  .contact { grid-template-columns:1fr; gap:44px; }
}

@media (max-width:760px) {
  .shell { width:calc(100% - 32px); }
  .header { height:64px; padding-inline:16px; }
  .nav { top:64px; }
  .header-actions .dark-button { display:none; }
  .hero { padding-top:118px; }
  .hero h1 { font-size:clamp(45px,12vw,64px); line-height:1.02; }
  .hero-meta p { font-size:16px; }
  .hero-frame { border-radius:9px 9px 0 0; }
  .frame-bar { height:38px; }
  .hero-image { width:920px; max-width:none; }
  .partner-line { padding-bottom:88px; }
  .partner-line > div { justify-content:flex-start; overflow:hidden; }
  .platform-intro { padding:108px 0 72px; }
  .platform-intro h2,.use-heading h2,.research h2,.company h2,.news h2,.contact h2 { font-size:40px; }
  .platform { grid-template-columns:1fr; min-height:auto; }
  .platform-copy { padding:42px 24px; }
  .platform h3 { font-size:36px; }
  .platform-media { min-height:360px; }
  .stage-switch { margin-bottom:104px; overflow-x:auto; }
  .stage-switch button { min-width:130px; }
  .use-cases,.research,.company,.news,.contact { padding-block:104px; }
  .case-grid { grid-template-columns:1fr; }
  .case-card,.case-featured { grid-column:auto; min-height:500px; border-right:0; }
  .case-card > div { left:24px; right:24px; bottom:28px; }
  .case-card h3,.case-featured h3 { font-size:31px; }
  .research { gap:48px; }
  .company { gap:48px; }
  .company-stats { grid-template-columns:1fr; }
  .company-stats span,.company-stats span:nth-child(2),.company-stats span:last-child { padding:16px 0; border-right:0; border-bottom:1px solid var(--line); }
  .news-grid { grid-template-columns:1fr; }
  .news article,.news article:nth-child(3) { grid-column:auto; min-height:auto; padding:24px 0; border-right:0; }
  .news article img,.news article:nth-child(3) img { height:300px; }
  .contact-actions { flex-direction:column; align-items:stretch; }
  .footer-top { grid-template-columns:1fr 1fr; gap:42px; }
  .footer-wordmark { grid-column:1/-1; }
  .footer-bottom { flex-wrap:wrap; }
  .footer-bottom a { margin-left:0; }
}

@media (max-width:480px) {
  .hero h1 { font-size:43px; }
  .platform-intro h2,.use-heading h2,.research h2,.company h2,.news h2,.contact h2 { font-size:36px; }
  .platform h3 { font-size:32px; }
  .platform-actions { align-items:flex-start; flex-direction:column; }
  .footer-top { grid-template-columns:1fr; }
  .footer-wordmark { grid-column:auto; }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .reveal { opacity:1; transform:none; transition:opacity 120ms linear; }
  .hero::before { animation:none; }
  .platform-media img,.case-card img { transition:none; }
}