:root {
  --ink: #253239;
  --muted: #606e72;
  --line: #dde3e0;
  --soft: #f5f7f4;
  --accent: #526d76;
  --accent-strong: #3b5962;
  --warm: #a79b82;
  --paper: #f2f5f1;
  --panel: #fff;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--sans); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a, button { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid #6c8991; outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
figure, p { margin: 0; }
button, a { touch-action: manipulation; }
.page-width { width: min(1200px, calc(100% - 96px)); margin: 0 auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 30; padding: 10px 18px; color: white; background: var(--ink); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); backdrop-filter: blur(14px); }
.nav-shell { width: min(1320px, calc(100% - 80px)); min-height: 76px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 13px; font-family: Arial,Helvetica,sans-serif; font-size: 19px; font-weight: 750; letter-spacing: -.055em; white-space: nowrap; }
.brand span { padding-left: 13px; border-left: 1px solid var(--line); color: var(--muted); font-size: 9px; font-weight: 600; letter-spacing: .11em; }
.site-nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 13px; font-weight: 550; }
.site-nav a { position: relative; padding: 24px 0; transition: color .18s; white-space: nowrap; }
.site-nav a:hover, .site-nav a.is-active { color: var(--accent); }
.site-nav a.is-active::after { position: absolute; bottom: 13px; left: 0; width: 100%; height: 2px; background: var(--accent); content: ""; }
.lang-switch { display: inline-flex; justify-content: center; align-items: center; min-height: 38px; min-width: 68px; padding: 5px 14px; border: 1px solid var(--line); border-radius: 5px; font-size: 12px; font-weight: 600; }
.lang-switch:hover { background: var(--soft); border-color: #a6b8b7; }
.hero { padding: 64px 0 34px; }
.hero-section { background: #f2f5f1; }
.hero-intro { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 84px; }
.hero-heading, .hero-description { min-width: 0; }
.eyebrow, .section-eyebrow { font: 600 11px/1.6 var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 12px; color: #566e72; margin-bottom: 26px; }
.eyebrow-dot { width: 6px; height: 6px; flex: 0 0 6px; background: var(--warm); border-radius: 50%; }
.hero h1 { margin: 0; color: var(--ink); font-size: clamp(44px, 4.7vw, 68px); font-weight: 650; line-height: 1.06; letter-spacing: -.055em; }
.hero h1 span { color: #617c84; }
.hero-copy { max-width: 490px; margin: 0; color: #566c72; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.pill { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 48px; padding: 10px 20px; border: 1px solid #c2d0cc; border-radius: 5px; color: var(--ink); font-size: 13px; font-weight: 600; white-space: nowrap; transition: background .18s, transform .18s; }
.pill-icon { display: block; flex: 0 0 18px; width: 18px; height: 18px; background: currentColor; }
.pill-icon-arxiv { -webkit-mask: url("assets/icons/arxiv.svg") center / contain no-repeat; mask: url("assets/icons/arxiv.svg") center / contain no-repeat; }
.pill-icon-github { -webkit-mask: url("assets/icons/github.svg") center / contain no-repeat; mask: url("assets/icons/github.svg") center / contain no-repeat; }
.pill:hover { background: #e7eeea; transform: translateY(-2px); }
.pill-primary { border-color: var(--accent); background: var(--accent); color: #fff; }
.pill-primary:hover { background: #405c65; }
.hero-note { margin-top: 23px; color: #596f73; font-size: 11px; }
.hero-note span { margin: 0 7px; color: #8a9d9f; }
.paper-reference { display: grid; grid-template-columns: 164px minmax(0,1fr); align-items: start; gap: 28px; margin-top: 34px; padding: 22px 26px; border: 1px solid var(--line); border-left: 3px solid #96aaa8; border-radius: 5px; background: rgba(255,255,255,.72); }
.paper-reference-label { padding-top: 3px; color: var(--accent-strong); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.paper-reference-label > span { display: block; margin-top: 8px; color: var(--muted); font: 500 9px/1.6 var(--mono); letter-spacing: .07em; }
.paper-reference-title { position: relative; display: block; padding-right: 24px; color: var(--ink); font-size: 18px; font-weight: 550; line-height: 1.5; text-wrap: balance; }
.paper-reference-title > span { position: absolute; top: 3px; right: 0; color: var(--accent); font-size: 15px; }
.paper-reference-title:hover { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 4px; }
.paper-reference-copy p { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.paper-reference + .project-film { margin-top: 28px; }
.project-film { margin-top: 48px; scroll-margin-top: 16px; }
.film-meta { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 17px 0; border-top: 1px solid #d2dcd7; color: #536e72; font: 500 10px/1.5 var(--mono); letter-spacing: .08em; }
.film-meta i { font-style: normal; color: #859896; margin: 0 10px; }
.film-shell { position: relative; overflow: hidden; border: 1px solid #cbd6d0; border-radius: 7px; background: #e8eeea; box-shadow: 0 12px 40px rgba(37,50,57,.06); }
.demo-video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; background: #e8eeea; }
.film-shell.has-play-button::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent,rgba(16,27,27,.72)); pointer-events: none; }
.film-shell.is-started::after { display: none; }
.video-play { position: absolute; z-index: 1; left: 32px; bottom: 30px; display: flex; align-items: center; gap: 18px; padding: 0; border: 0; color: #fff; background: transparent; cursor: pointer; text-align: left; }
.video-play-icon { display: grid; place-items: center; width: 64px; height: 64px; border: 1px solid #ffffff99; border-radius: 50%; background: #ffffff17; backdrop-filter: blur(8px); transition: background .2s, transform .2s; }
.video-play-icon::before { content: ""; width: 0; height: 0; margin-left: 4px; border-block: 8px solid transparent; border-left: 12px solid #fff; }
.video-play:hover .video-play-icon { background: #ffffff30; transform: scale(1.06); }
.video-play-label { display: flex; flex-direction: column; gap: 4px; font-size: 16px; font-weight: 500; }
.video-play-label small { color: #ccd7e4; font: 500 10px/1.6 var(--mono); letter-spacing: .1em; }
.video-play:disabled { cursor: progress; }
.film-caption { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-top: 16px; color: #566f73; font-size: 11px; }
.film-caption a { flex-shrink: 0; color: #415d65; }
.film-caption a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.film-caption a span { margin-left: 10px; }
.film-caption > span a { text-decoration: underline; text-underline-offset: 3px; }
.video-status { margin-top: 12px; color: #845e3e; font-size: 12px; }
.video-status:empty { display: none; }
.section { padding: 84px 0; }
.section-tint { background: var(--soft); }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 64px; margin-bottom: 36px; }
.section-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; color: var(--accent); }
.section-eyebrow::before { content: attr(data-index); color: #798b8c; font-size: 10px; border-right: 1px solid #d0dbd5; padding-right: 12px; }
h2 { margin: 0; font-size: clamp(30px, 3.1vw, 44px); font-weight: 600; line-height: 1.16; letter-spacing: -.045em; text-wrap: balance; }
h2 span { color: var(--accent); }
.intro-copy, .section-lead { max-width: 660px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 44px; padding: 30px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-row > div { display: flex; flex-direction: column; gap: 10px; padding-left: 32px; }
.stats-row > div:first-child { padding-left: 0; }
.stats-row > div + div { border-left: 1px solid var(--line); }
.stats-row strong { color: var(--ink); font-size: clamp(32px, 3.7vw, 50px); font-weight: 550; letter-spacing: -.055em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stats-row span { color: var(--muted); font-size: 12px; }
.stats-note { margin-top: 16px; max-width: 920px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.results-layout { display: grid; grid-template-columns: 270px minmax(0,1fr); gap: 28px; margin-top: 36px; }
.result-highlight { display: flex; flex-direction: column; justify-content: center; padding: 28px; background: #eaf0ec; border-radius: 8px; border: 1px solid #d3dfd7; }
.result-kicker { color: var(--accent-strong); font: 600 10px/1.5 var(--mono); letter-spacing: .06em; }
.result-value { display: block; margin-top: 24px; color: var(--accent-strong); font-size: 72px; font-weight: 550; letter-spacing: -.07em; line-height: 1.1; }
.result-value > span { font-size: 31px; letter-spacing: -.05em; }
.result-label { margin-top: 9px; color: var(--accent-strong); font-size: 13px; }
.result-details { display: grid; gap: 18px; margin-top: 29px; padding-top: 22px; border-top: 1px solid #cbd9d0; }
.result-details b { display: block; font: 550 20px/1.4 var(--sans); letter-spacing: -.02em; }
.result-details span { color: #5d7375; font-size: 11px; }
.table-shell { min-width: 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: white; }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
caption { padding: 20px 22px; color: var(--muted); font-size: 11px; text-align: left; }
th, td { padding: 17px 20px; text-align: right; border-bottom: 1px solid #e3e9e4; white-space: nowrap; }
th:first-child { text-align: left; }
thead th { border-top: 1px solid var(--line); color: var(--muted); background: #f6f8f5; font-size: 10px; letter-spacing: .035em; font-weight: 650; text-transform: uppercase; }
tbody th { font-weight: 550; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr.best { background: #eef3ef; color: var(--accent-strong); }
tbody tr.best > * { font-weight: 700; }
.success-cell { display: flex; flex-direction: column; align-items: end; gap: 6px; }
.success-track { display: block; height: 3px; width: 70px; border-radius: 2px; background: #e7ece7; }
.success-track i { display: block; height: 100%; background: #9eafb0; border-radius: inherit; }
.best .success-track i { background: var(--accent); }
.table-hint { display: none; }
.report-figure { min-width: 0; margin: 0; }
.report-figure img { width: 100%; background: white; object-fit: contain; }
.figure-open { position: relative; display: block; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; cursor: zoom-in; }
.figure-open::after { content: "↗"; position: absolute; right: 10px; bottom: 10px; display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 4px; background: rgba(255,255,255,.94); color: var(--accent); font-size: 17px; transition: background .18s; }
.figure-open:hover { border-color: #99afac; }
.figure-open:hover::after { background: #edf3ed; }
figcaption { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.context-section { border-top: 1px solid var(--line); background: #f5f7f4; }
.context-layout { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 64px; }
.context-layout .section-heading { display: block; margin: 0; }
.context-layout .section-lead { margin-top: 24px; }
.context-layout .report-figure img { padding: 12px; }
.system-layout { display: grid; grid-template-columns: minmax(0,1fr) 220px; align-items: center; gap: 36px; }
.system-layout .report-figure img { padding: 22px; }
.process-row { display: flex; flex-direction: column; }
.process-row > div { padding: 23px 0; border-top: 1px solid var(--line); }
.process-row > div:last-child { border-bottom: 1px solid var(--line); }
.process-row b { color: var(--accent); font: 500 11px var(--mono); }
.process-row strong { display: block; margin-top: 12px; font-size: 19px; font-weight: 550; }
.process-row span { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.latency-grid { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 64px; }
.latency-points { margin-top: 28px; border-top: 1px solid var(--line); }
.latency-points > span { display: flex; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.latency-points b { color: var(--accent); font: 500 11px/2 var(--mono); }
.latency-grid .report-figure img { padding: 10px; }
.method-grid, .diagnostics-grid { display: grid; gap: 24px 20px; margin-top: 28px; }
.method-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.diagnostics-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.method-grid figure, .diagnostics-grid figure { min-width: 0; }
.method-grid img, .diagnostics-grid img { width: 100%; aspect-ratio: 4 / 3; padding: 10px; object-fit: contain; background: #fff; }
.diagnostics-grid img { aspect-ratio: 12 / 7; padding: 8px; }
.method-grid figcaption, .diagnostics-grid figcaption { margin-top: 10px; font-weight: 550; text-align: center; }
.efficiency-grid { display: grid; grid-template-columns: .87fr 1.13fr; gap: 64px; align-items: center; }
.efficiency-grid .section-heading { display: block; margin-bottom: 24px; }
.efficiency-grid .report-figure img { padding: 16px; }
.timing-cards { display: grid; grid-template-columns: 1fr 1fr; margin-top: 28px; gap: 14px; }
.timing-cards > div { padding: 20px; border: 1px solid var(--line); border-radius: 6px; background: white; }
.timing-cards span, .timing-cards small { display: block; color: var(--muted); font-size: 11px; }
.timing-cards strong { display: block; margin: 11px 0 4px; font-size: 23px; font-weight: 600; letter-spacing: -.05em; white-space: nowrap; }
.timing-cards .accent-card { background: #eaf0ec; border-color: #d0dfd5; }
.accent-card strong { color: var(--accent-strong); }
.setup-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 64px; }
.setup-grid .report-figure img { padding: 15px; }
.setup-copy { color: var(--muted); font-size: 15px; }
.setup-facts { display: grid; grid-template-columns: 1fr 1fr; margin: 24px 0; gap: 18px 25px; }
.setup-facts span { padding-top: 13px; border-top: 1px solid var(--line); font-size: 12px; }
.setup-facts b { display: block; color: var(--ink); font-size: 27px; font-weight: 550; line-height: 1.4; }
.small-copy { font-size: 13px; line-height: 1.9; }
.stage-strip { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 12px; margin-top: 40px; padding-bottom: 10px; }
.stage-strip figure { min-width: 0; }
.stage-strip img { width: 100%; aspect-ratio: 1042 / 626; border-radius: 5px; border: 1px solid var(--line); }
.stage-strip figcaption { margin-top: 10px; display: flex; align-items: baseline; gap: 8px; font-size: 11px; }
.stage-strip figcaption::before { content: attr(data-step); color: #7b9190; font: 10px var(--mono); }
.image-pair { display: grid; grid-template-columns: 2fr 1fr; gap: 28px; margin-top: 35px; }
.image-pair .figure-open { height: 300px; }
.image-pair img { height: 100%; padding: 18px; }
.resources { background: var(--paper); color: var(--ink); }
.resources .section-eyebrow, .resources h2 span { color: #526d76; }
.resources .section-eyebrow::before { color: #7b9290; border-color: #cbd8d0; }
.resources-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 44px; align-items: start; }
.resource-links { border-top: 1px solid #d3dfd6; }
.resource-links a { display: grid; grid-template-columns: 1fr auto; gap: 5px 12px; padding: 22px 0; border-bottom: 1px solid #d3dfd6; }
.resource-links b { font-weight: 550; font-size: 18px; }
.resource-links span { color: #586d6d; font-size: 12px; grid-column: 1; }
.resource-links i { grid-column: 2; grid-row: 1 / 3; align-self: center; color: #526d76; font: 500 11px var(--mono); }
.resource-links a:hover b { color: #526d76; }
.citation { min-width: 0; border: 1px solid #d3dfd6; border-radius: 6px; overflow: hidden; background: #ffffff; }
.citation > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 18px; border-bottom: 1px solid #d3dfd6; color: #5c7574; font: 500 10px/1.6 var(--mono); letter-spacing: .04em; }
.copy-button { min-height: 34px; padding: 4px 10px; border: 1px solid #c5d4cb; border-radius: 4px; background: #edf3ed; color: #415e64; cursor: pointer; font: 500 11px var(--sans); white-space: nowrap; }
.copy-button:hover { background: #e1ebe2; }
pre { margin: 0; padding: 22px 18px; overflow-x: auto; color: #50656b; font: 11px/1.9 var(--mono); }
.copy-status { display: block; padding: 0 18px 12px; color: #50656b; font-size: 12px; }
.copy-status:empty { display: none; }
.site-footer { background: #f2f5f1; border-top: 1px solid #d4dfd5; color: #536e70; font-size: 11px; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; }
.footer-inner a:hover { color: var(--ink); }
.image-dialog { width: min(1400px,94vw); max-height: 92vh; max-height: 92dvh; padding: 48px 24px 22px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); overflow: auto; }
html.image-dialog-open { overflow: hidden; }
.image-dialog::backdrop { background: rgba(36,49,51,.6); backdrop-filter: blur(6px); }
.image-dialog-close { position: absolute; top: 8px; right: 14px; min-width: 38px; min-height: 38px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--ink); cursor: pointer; }
.image-dialog-figure img { margin: auto; width: auto; max-width: 100%; max-height: 72vh; object-fit: contain; background: #fff; }
.image-dialog-caption { text-align: center; }
.image-dialog-original { display: block; width: fit-content; margin: 12px auto 0; padding: 6px 12px; color: var(--accent); font-size: 12px; text-decoration: underline; text-underline-offset: 3px; }
:lang(zh-CN) h1 { letter-spacing: -.02em; line-height: 1.2; font-weight: 650; }
:lang(zh-CN) h2 { letter-spacing: 0; font-size: clamp(28px,2.65vw,38px); line-height: 1.4; font-weight: 600; }
:lang(zh-CN) .eyebrow, :lang(zh-CN) .section-eyebrow { font-family: var(--sans); letter-spacing: .13em; }
:lang(zh-CN) .hero-copy, :lang(zh-CN) .section-lead, :lang(zh-CN) .intro-copy { line-height: 2; }
@media (max-width: 1100px) {
  .page-width { width: calc(100% - 64px); }
  .nav-shell { width: calc(100% - 64px); }
  .hero-intro { gap: 40px; }
  .section-heading, .context-layout, .latency-grid, .efficiency-grid, .setup-grid { gap: 36px; }
  .results-layout { grid-template-columns: 230px minmax(0,1fr); gap: 20px; }
  .result-highlight { padding: 23px; }
  .result-value { font-size: 62px; }
  th,td { padding-inline: 13px; }
  .system-layout { grid-template-columns: minmax(0,1fr) 180px; gap: 25px; }
  .timing-cards > div { padding: 14px; }
  .timing-cards strong { font-size: 20px; }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 124px; }
  .page-width { width: calc(100% - 40px); }
  .nav-shell { width: calc(100% - 40px); min-height: 64px; gap: 0 18px; flex-wrap: wrap; padding-top: 12px; }
  .brand { font-size: 18px; }
  .brand span { display: none; }
  .lang-switch { margin-left: auto; min-height: 36px; }
  .site-nav { width: 100%; order: 3; overflow-x: auto; gap: 30px; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { padding: 15px 0 12px; font-size: 12px; }
  .site-nav a.is-active::after { bottom: 6px; }
  .hero { padding: 48px 0 28px; }
  .hero-intro { grid-template-columns: 1fr; gap: 26px; }
  .hero h1 { font-size: clamp(43px,7vw,58px); }
  .hero-copy { max-width: 560px; font-size: 15px; }
  .project-film { margin-top: 34px; }
  .paper-reference { grid-template-columns: 1fr; gap: 13px; padding: 20px; }
  .paper-reference-label { display: flex; flex-wrap: wrap; align-items: baseline; gap: 7px 14px; padding-top: 0; }
  .paper-reference-label > span { margin-top: 0; }
  .paper-reference-title { font-size: 16px; }
  .film-meta { font-size: 9px; }
  .video-play { left: 22px; bottom: 22px; gap: 14px; }
  .video-play-icon { width: 54px; height: 54px; }
  .section { padding: 60px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 28px; }
  h2 { font-size: 36px; }
  :lang(zh-CN) h2 { font-size: 31px; }
  .intro-copy, .section-lead { max-width: 100%; font-size: 15px; }
  .stats-row { margin-top: 28px; }
  .stats-row > div { padding-left: 20px; }
  .stats-row strong { font-size: 36px; }
  .stats-row span { font-size: 11px; }
  .results-layout { grid-template-columns: 1fr; }
  .result-highlight { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; padding: 24px; }
  .result-kicker, .result-value, .result-label { grid-column: 1; }
  .result-value { margin-top: 12px; }
  .result-details { grid-column: 2; grid-row: 1 / 4; margin: 0; padding: 0 0 0 24px; border-top: 0; border-left: 1px solid #cbd9d0; align-content: center; }
  .table-shell table { min-width: 570px; }
  .table-hint { display: block; margin-top: 12px; color: var(--muted); font-size: 11px; }
  .table-shell tbody th { position: sticky; left: 0; background: #fff; box-shadow: 1px 0 #e3e9e4; }
  .table-shell tbody tr.best th { background: #eef3ef; }
  .context-layout, .latency-grid, .efficiency-grid, .setup-grid { grid-template-columns: 1fr; gap: 30px; }
  .system-layout { grid-template-columns: 1fr; gap: 24px; }
  .process-row { flex-direction: row; border-bottom: 1px solid var(--line); }
  .process-row > div { flex: 1; padding: 17px 14px; }
  .process-row > div:first-child { padding-left: 0; }
  .process-row > div + div { border-left: 1px solid var(--line); }
  .process-row > div:last-child { border-bottom: 0; }
  .process-row strong { font-size: 17px; }
  .process-row span { font-size: 12px; }
  .latency-points { margin-top: 22px; }
  .method-grid, .diagnostics-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px 16px; }
  .timing-cards strong { font-size: 27px; }
  .timing-cards > div { padding: 20px; }
  .stage-strip { grid-template-columns: repeat(7,160px); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #a1b7b2 #eef2ec; padding-bottom: 15px; }
  .stage-strip figure { scroll-snap-align: start; }
  .image-pair { gap: 18px; }
  .image-pair .figure-open { height: 240px; }
  .image-pair img { padding: 10px; }
  .resources-layout { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .brand { font-size: 16px; }
  .hero h1 { font-size: 47px; }
  :lang(zh-CN) .hero h1 { font-size: clamp(37px,10.5vw,46px); }
  .eyebrow { font-size: 9px; gap: 10px; letter-spacing: .07em; margin-bottom: 23px; }
  .hero-copy { margin-top: 0; font-size: 15px; }
  .hero-actions { gap: 10px; margin-top: 25px; }
  .pill { flex: 1; gap: 10px; padding-inline: 13px; font-size: 12px; }
  .hero-note { font-size: 10px; line-height: 1.9; }
  .hero-note span { margin: 0 3px; }
  .film-meta { gap: 10px; font-size: 8px; letter-spacing: .035em; }
  .film-meta i { margin-inline: 5px; }
  .film-meta > span:last-child { text-align: right; }
  .video-play { left: 16px; bottom: 16px; gap: 12px; }
  .video-play-icon { width: 46px; height: 46px; }
  .video-play-icon::before { border-block-width: 6px; border-left-width: 9px; }
  .video-play-label { font-size: 13px; }
  .video-play-label small { font-size: 9px; }
  .film-caption { align-items: start; gap: 12px; font-size: 10px; }
  .film-caption > span { max-width: 70%; }
  .film-caption a span { margin-left: 4px; }
  .section { padding: 49px 0; }
  .section-eyebrow { font-size: 10px; margin-bottom: 14px; }
  h2 { font-size: clamp(29px,8vw,35px); line-height: 1.2; }
  :lang(zh-CN) h2 { font-size: clamp(24px,6.9vw,31px); line-height: 1.45; }
  .stats-row { grid-template-columns: repeat(2,1fr); padding: 0; }
  .stats-row > div { padding: 23px 0 23px 22px; gap: 8px; }
  .stats-row > div:nth-child(odd) { padding-left: 0; border-left: 0; }
  .stats-row > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .stats-row strong { font-size: 38px; }
  .stats-row span { font-size: 12px; }
  .stats-note { font-size: 11px; }
  .result-highlight { padding: 22px 18px; gap: 0 18px; }
  .result-value { font-size: 58px; }
  .result-value > span { font-size: 26px; }
  .result-details { padding-left: 18px; }
  .result-details b { font-size: 19px; }
  .result-details span { font-size: 10px; }
  .result-kicker { font-size: 9px; }
  caption { padding: 16px; }
  th,td { padding: 15px 16px; }
  .context-layout .report-figure img, .system-layout .report-figure img { padding: 9px; }
  .process-row { flex-direction: column; }
  .process-row > div, .process-row > div:first-child { display: grid; grid-template-columns: 26px 1fr; gap: 4px 12px; padding: 16px 0; }
  .process-row > div + div { border-left: 0; }
  .process-row b { line-height: 2; grid-row: 1 / 3; }
  .process-row strong, .process-row span { margin-top: 0; }
  .process-row span { grid-column: 2; }
  .method-grid, .diagnostics-grid { grid-template-columns: 1fr; }
  .timing-cards { gap: 10px; }
  .timing-cards > div { padding: 16px 13px; }
  .timing-cards strong { font-size: 23px; }
  .image-pair { grid-template-columns: 1fr; gap: 22px; }
  .image-pair .figure-open { height: auto; }
  .image-pair img { height: auto; min-height: 150px; }
  .image-pair .garment-figure img { height: 330px; }
  .footer-inner { flex-direction: column; gap: 8px; padding: 22px 0; }
  .image-dialog { padding: 48px 12px 20px; width: 96vw; }
  .image-dialog-figure img { max-height: 65vh; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}