:root {
  color-scheme: light;
  --ink: #17202e;
  --muted: #586273;
  --blue: #2958eb;
  --blue-dark: #1844ce;
  --line: #e1e6ee;
  --tint: #f3f6ff;
  --surface: #f8f9fc;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --display-font: "Avenir Next", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; }
body { margin: 0; background: #fff; color: var(--ink); font: 18px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
a, button { touch-action: manipulation; }
button { color: inherit; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
[hidden] { display: none !important; }
::selection { background: #dce5ff; color: #17202e; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { color: #17202e; font-family: var(--display-font); font-synthesis: none; text-wrap: balance; }
h1, h2 { line-height: 1.12; font-weight: 600; }
h3, h4 { line-height: 1.24; font-weight: 600; }
h2 { font-size: clamp(2.15rem, 3.8vw, 3.15rem); letter-spacing: -.035em; }
h3 { font-size: clamp(1.55rem, 2.4vw, 2rem); letter-spacing: -.022em; }
h4 { font-size: 1.1rem; letter-spacing: -.012em; }
p { color: var(--muted); }
svg { display: block; }
img { display: block; width: 100%; height: auto; }
.container { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.reading-width { width: 100%; max-width: none; margin-inline: auto; }
.section { padding-block: 100px; }
.eyebrow { font-size: .75rem; font-weight: 650; letter-spacing: .14em; color: var(--blue); line-height: 1.5; margin-bottom: 22px; }
.line-heading { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; clip: rect(0,0,0,0); overflow: hidden; white-space: nowrap; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 12px; transform: translateY(-150%); padding: 10px 18px; background: var(--blue); color: white; border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 82px; position: sticky; top: 0; z-index: 20; background: rgb(255 255 255 / 96%); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav-inner { max-width: 1400px; height: 100%; padding-inline: 48px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-symbol { display: inline-grid; place-content: center; min-height: 39px; padding: 7px 12px; border-radius: 9px; background: var(--blue); color: white; font-size: 22px; font-weight: 650; line-height: 1; letter-spacing: -.04em; }
.brand-tagline { font-size: 16px; font-weight: 500; line-height: 1.35; letter-spacing: -.015em; white-space: nowrap; }
.main-nav { display: flex; gap: 32px; font-size: .875rem; font-weight: 500; margin-left: auto; }
.main-nav a { color: var(--muted); padding-block: 12px; transition: color .15s; }
.main-nav a:hover, .site-footer a:hover { color: var(--blue); }
.language-switch { display: flex; align-items: center; gap: 2px; margin-left: 20px; font-size: .875rem; }
.language-switch button { background: transparent; border: 0; padding: 10px 7px; color: var(--muted); min-height: 44px; }
.language-switch button[aria-pressed="true"] { color: var(--blue); font-weight: 650; }
.language-switch > span { color: #c0c6d0; }

.hero { text-align: center; padding-top: 78px; padding-bottom: 72px; }
.signal-dot { display: inline-block; flex-shrink: 0; width: 6px; height: 6px; background: var(--blue); border-radius: 100%; box-shadow: 0 0 0 4px rgb(41 88 235 / 8%); }
.hero h1 { max-width: 1120px; margin-inline: auto; font-size: clamp(2rem, 5.1vw, 4.6rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.1; color: #17202e; white-space: nowrap; }
.hero-tagline { max-width: none; margin: 20px auto 0; font-family: var(--display-font); font-size: clamp(.55rem, 2.2vw, 1.7rem); font-weight: 550; letter-spacing: -.025em; color: var(--ink); line-height: 1.35; white-space: nowrap; }
.hero-links { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 31px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; border: 1px solid #cfd7e4; border-radius: 8px; padding: 11px 17px; background: #fff; color: var(--ink); font-size: .875rem; font-weight: 550; white-space: nowrap; transition: color .18s, background .18s, border-color .18s, box-shadow .18s; }
.button:hover { color: var(--blue); border-color: #9fb3ed; background: #f7f9ff; box-shadow: 0 4px 14px rgb(41 88 235 / 8%); }
.button > span:last-child:not(:first-child) { font-size: 18px; }

.capabilities { padding-top: 48px; border-top: 1px solid var(--line); }
.section-heading { margin-bottom: 34px; }
.section-heading .eyebrow { margin-bottom: 13px; }
.section-heading h2, .section-opening h2, .team h2,
.subsection h3, .result-panel h3 { max-width: none; white-space: nowrap; }
.section-intro { max-width: 820px; margin-top: 18px; font-size: 1rem; line-height: 1.75; }
.capability-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 1fr; gap: 3px; padding-bottom: 2px; margin-bottom: 25px; }
.capability-tab { text-align: left; min-width: 0; border: 0; border-bottom: 2px solid var(--line); background: transparent; padding: 14px 15px 17px; display: flex; flex-direction: column; gap: 8px; transition: color .2s, background .2s, border-color .2s; }
.capability-tab .tab-number { font-family: "SFMono-Regular", Consolas, monospace; font-size: .75rem; color: #777f90; }
.capability-tab .tab-name { font-size: .875rem; line-height: 1.45; font-weight: 500; }
.capability-tab:hover { background: var(--surface); }
.capability-tab[aria-selected="true"] { background: var(--tint); color: var(--blue); border-color: var(--blue); }
.capability-tab[aria-selected="true"] .tab-number { color: var(--blue); }
.capability-tab:focus-visible { outline-offset: -3px; }
.demo-stage { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); overflow: hidden; }
.demo-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 15px 28px; border-bottom: 1px solid var(--line); }
.demo-marker { display: inline-flex; align-items: center; gap: 11px; color: #59677b; font-size: .75rem; font-weight: 600; letter-spacing: .12em; }
.pagination { display: flex; align-items: center; gap: 8px; }
.page-count { font: .8rem/1.2 "SFMono-Regular", Consolas, monospace; margin-right: 16px; }
.page-count > span { color: #7e8898; margin-left: 3px; }
.arrow-button { width: 40px; height: 40px; display: grid; place-content: center; border: 1px solid #d9e0e9; border-radius: 50%; font-size: 21px; background: #fff; transition: background .18s, color .18s; }
.arrow-button:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.demo-info { padding: 27px 30px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: start; }
.demo-info h3 { font-size: clamp(1.45rem, 2.6vw, 1.95rem); max-width: 430px; }
.demo-info p { font-size: .9375rem; line-height: 1.7; }
.sample-tabs { display: flex; gap: 6px; margin-top: 18px; flex-wrap: wrap; }
.sample-tab { background: transparent; border: 1px solid #d7deeb; padding: 6px 12px; min-height: 38px; border-radius: 6px; font-size: .875rem; }
.sample-tab[aria-selected="true"] { background: #e4ebff; color: #224dcf; border-color: #c5d4ff; }
.video-frame { margin: 0 28px 28px; border: 1px solid #dce2eb; border-radius: 10px; overflow: hidden; background: #0d111a; position: relative; }
.video-frame video { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; object-fit: contain; background: #0d111a; }
.video-error { background: #fff5f3; padding: 16px 20px; font-size: .875rem; }
.video-error p { color: #923b2d; }
.video-error a { display: inline-block; color: #923b2d; text-decoration: underline; margin-top: 6px; }
.media-footnote { color: #727b8b; font-size: .75rem; text-align: right; margin-top: 13px; }
noscript p { padding: 20px; font-size: 16px; }
noscript a { color: var(--blue); text-decoration: underline; }

.research { background: #f8faff; border-block: 1px solid #e9edf5; }
.section-opening { margin-bottom: 45px; }
.section-opening h2 { margin-bottom: 25px; }
.lead { font-size: 1.08rem; line-height: 1.85; }
.paper-figure { margin-top: 35px; }
.paper-figure > a { display: block; background: #fff; padding: 24px; border: 1px solid #e0e6f1; border-radius: 12px; }
.paper-figure img { background: white; }
figcaption { margin: 14px 12px 0; color: #687184; font-size: .8rem; line-height: 1.65; }
.overview-figure { max-width: none; margin-inline: auto; }
.subsection { margin-top: 90px; }
.subsection h3 { margin-bottom: 19px; }
.subsection > p { line-height: 1.85; }
.architecture-parts { display: grid; grid-template-columns: repeat(3,1fr); gap: 34px; margin-top: 34px; }
.architecture-parts article { border-top: 1px solid #cbd5eb; padding-top: 18px; }
.part-number { color: var(--blue); font: .75rem/1.5 "SFMono-Regular", Consolas, monospace; display: block; margin-bottom: 15px; }
.architecture-parts h4 { min-height: 2.4em; max-width: 285px; line-height: 1.35; margin-bottom: 12px; }
.architecture-parts p { font-size: .9375rem; line-height: 1.8; }
.model-settings { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 28px; padding: 24px 0; border-block: 1px solid #dce3f0; }
.model-settings span { font-size: .875rem; color: #66728b; }
.model-settings strong { display: block; color: var(--blue); font-size: clamp(1.5rem,3vw,2rem); font-weight: 500; letter-spacing: -.03em; margin-top: 6px; }
.note { font-size: .8rem; margin-top: 12px; }
.training-steps { list-style: none; padding: 0; margin: 35px 0 20px; counter-reset: step; }
.training-steps li { position: relative; padding: 0 0 28px 51px; border-left: 1px solid #d7dfed; margin-left: 14px; counter-increment: step; }
.training-steps li::before { content: counter(step, decimal-leading-zero); width: 30px; height: 30px; border-radius: 50%; background: #e8eeff; color: var(--blue); position: absolute; left: -16px; top: -2px; display: grid; place-content: center; font: 12px "SFMono-Regular", Consolas, monospace; }
.training-steps li:last-child { border-color: transparent; padding-bottom: 0; }
.training-steps h4 { font-size: 1.08rem; margin-bottom: 9px; }
.training-steps p { font-size: .9375rem; line-height: 1.8; }
.source-link { color: var(--blue); font-size: .8rem; border-bottom: 1px solid #cdd9ff; padding-bottom: 3px; }

.result-tabs { display: flex; border-bottom: 1px solid var(--line); gap: 32px; overflow: auto; padding-inline: 2px; }
.result-tab { white-space: nowrap; background: none; padding: 14px 3px; border: none; border-bottom: 2px solid transparent; font-size: .9375rem; color: var(--muted); }
.result-tab[aria-selected="true"] { color: var(--blue); border-color: var(--blue); font-weight: 550; }
.result-tab:focus-visible { outline-offset: -3px; }
.result-panel { padding-top: 34px; }
.result-panel h3 { font-size: 1.75rem; margin-bottom: 14px; }
.result-summary { font-size: .975rem; max-width: none; margin-bottom: 25px; }
.table-scroll-hint { font-size: .75rem; color: #6b7688; margin-bottom: 7px; text-align: right; }
.table-scroll { overflow-x: auto; overscroll-behavior-x: contain; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 640px; font-size: .82rem; font-variant-numeric: tabular-nums; }
caption { text-align: left; padding: 16px 20px; color: var(--muted); background: #fff; font-size: .8rem; border-bottom: 1px solid var(--line); }
th, td { padding: 14px 16px; text-align: right; border-bottom: 1px solid #edf0f5; white-space: nowrap; }
thead th { font-weight: 550; background: var(--surface); color: #4d596d; font-size: .75rem; }
tbody th { text-align: left; font-weight: 450; }
th:first-child { text-align: left; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr.gander-row > * { color: #244cc3; background: #eff3ff; font-weight: 650; }
tbody.reference-body > tr > * { border-top: 2px solid #b9c7e6; background: #f8f9fc; color: #556177; font-weight: 450; }
tbody .table-group th { background: #edf1f8; color: #38465e; font-weight: 600; border-top: 1px solid #d5deeb; white-space: normal; }
.table-note { font-size: .8125rem; line-height: 1.8; margin-top: 17px; }
.table-glossary { font-size: .75rem; line-height: 1.8; margin-top: 9px; }
.table-source { margin-top: 15px; }
.ablation-block { margin-top: 48px; }
.ablation-block h3 { font-size: 1.4rem; }

.site-footer { min-height: 125px; display: flex; align-items: center; gap: 28px; font-size: .8125rem; color: #667184; }
.footer-brand { font-size: 24px; font-weight: 600; letter-spacing: -.05em; color: var(--ink); margin-right: auto; }

@media (min-width: 1500px) { .hero { padding-top: 83px; padding-bottom: 83px; } }
@media (max-width: 980px) {
  .container { width: calc(100% - 56px); }
  .nav-inner { padding-inline: 28px; gap: 24px; }
  .section { padding-block: 80px; }
  .capabilities { padding-top: 40px; }
  .section-intro { max-width: 650px; }
  .demo-info { gap: 26px; }
  .architecture-parts { gap: 22px; }
  .architecture-parts h4 { font-size: 1.02rem; }
  .architecture-parts p { font-size: .875rem; }
  .paper-figure > a { padding: 16px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 117px; }
  body { font-size: 16px; }
  .container { width: calc(100% - 36px); }
  .site-header { height: auto; }
  .nav-inner { padding: 12px 18px 0; display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; }
  .brand { gap: 10px; width: fit-content; }
  .brand-symbol { min-height: 35px; padding: 7px 10px; font-size: 19px; border-radius: 8px; }
  .brand-tagline { max-width: 123px; white-space: normal; font-size: 13px; }
  .main-nav { grid-column: 1 / -1; grid-row: 2; margin: 0; justify-content: center; gap: 27px; font-size: .8125rem; }
  .main-nav a { padding: 8px 0 11px; }
  .language-switch { margin: 0; font-size: .8125rem; }
  .language-switch button { padding: 6px; }
  .hero { padding-top: 49px; padding-bottom: 43px; }
  .hero h1 { font-size: clamp(1.1rem, 5.1vw, 3.65rem); line-height: 1.12; }
  .hero-tagline { font-size: clamp(.5rem, 2.2vw, 1.2rem); margin-top: 17px; }
  .hero-links { gap: 10px; margin-top: 25px; max-width: 355px; margin-inline: auto; }
  .button { font-size: .8125rem; padding: 10px 14px; gap: 12px; }
  .section { padding-block: 62px; }
  .capabilities { padding-top: 35px; }
  .eyebrow { font-size: .75rem; margin-bottom: 17px; }
  h2 { font-size: clamp(.95rem, 4vw, 2rem); line-height: 1.2; }
  h3 { font-size: clamp(.85rem, 3.6vw, 1.75rem); }
  .section-heading { margin-bottom: 22px; }
  .section-intro { margin-top: 14px; font-size: .9375rem; }
  .capability-tabs { margin-bottom: 18px; }
  .capability-tab { padding: 10px 7px 13px; }
  .capability-tab .tab-name { font-size: .7rem; line-height: 1.35; }
  .demo-stage { border-radius: 12px; }
  .demo-toolbar { padding: 11px 15px; }
  .demo-marker { font-size: .75rem; gap: 8px; letter-spacing: .08em; }
  .page-count { font-size: .75rem; margin-right: 5px; }
  .arrow-button { width: 36px; height: 36px; font-size: 20px; }
  .pagination { gap: 6px; }
  .demo-info { display: block; padding: 21px 18px 20px; }
  .demo-info h3 { font-size: 1.45rem; margin-bottom: 13px; }
  .demo-info p { font-size: .875rem; }
  .sample-tabs { margin-top: 14px; margin-bottom: 13px; }
  .sample-tab { font-size: .8125rem; padding: 7px 10px; }
  .video-frame { margin: 0 9px 10px; border-radius: 6px; }
  .media-footnote { font-size: .75rem; margin-top: 10px; }
  .section-opening { margin-bottom: 30px; }
  .section-opening h2 { margin-bottom: 21px; }
  .lead { font-size: 1rem; line-height: 1.85; }
  .subsection { margin-top: 56px; }
  .subsection > p { font-size: .9375rem; }
  .paper-figure { margin-top: 28px; }
  .paper-figure > a { padding: 8px; border-radius: 7px; }
  figcaption { margin: 12px 2px 0; font-size: .75rem; }
  .architecture-parts { grid-template-columns: 1fr; gap: 24px; margin-top: 26px; }
  .architecture-parts article { padding-top: 15px; }
  .part-number { margin-bottom: 9px; }
  .architecture-parts h4 { font-size: 1.1rem; min-height: auto; max-width: none; }
  .architecture-parts p { font-size: .9375rem; }
  .model-settings { gap: 16px; }
  .model-settings strong { font-size: 1.5rem; }
  .model-settings span { font-size: .8125rem; }
  .streaming-block .note { font-size: .75rem; }
  .training-steps li { padding-left: 35px; }
  .training-steps h4 { font-size: 1rem; }
  .training-steps p { font-size: .9375rem; }
  .result-tabs { gap: 22px; }
  .result-tab { font-size: .875rem; }
  .result-panel { padding-top: 26px; }
  .result-panel h3 { font-size: 1.35rem; }
  .result-summary { font-size: .9375rem; }
  th, td { padding: 12px 14px; }
  table { font-size: .8rem; }
  .table-scroll-hint, .table-note, .table-glossary { font-size: .75rem; }
  .site-footer { min-height: 120px; flex-wrap: wrap; gap: 8px 25px; padding-block: 25px; font-size: .75rem; }
  .footer-brand { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

#cap-heading { white-space: normal; }
