@font-face {
  font-family: Inter; src: url('assets/fonts/inter-variable.ttf') format('truetype');
  font-style: normal; font-weight: 100 900; font-display: swap;
}
@font-face {
  font-family: Newsreader; src: url('assets/fonts/newsreader-500.ttf') format('truetype');
  font-style: normal; font-weight: 500; font-display: swap;
}
:root {
  --ink: #252933;
  --body: #505863;
  --muted: #626e7c;
  --accent: #345ba0;
  --line: #e1e5ea;
  --paper: #fff;
  --serif: Newsreader, Georgia, 'Times New Roman', serif;
  --font: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink); background: var(--paper); color-scheme: light;
  font-family: var(--font); font-optical-sizing: auto; font-size: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; line-height: 1.7; }
[hidden] { display: none !important; }
::selection { background: #e6edf9; color: #273956; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.025em; }
h1 { font-size: clamp(40px, 4.7vw, 64px); line-height: 1.12; }
h2 { font-size: 39px; line-height: 1.1; margin-bottom: 24px; }
h3 { font-size: 18px; font-weight: 620; letter-spacing: -.025em; line-height: 1.45; }
p { margin-bottom: 20px; }
strong, b { font-weight: 620; }
a { color: var(--accent); text-underline-offset: 5px; text-decoration-thickness: 1px; }
button, input, select { font: inherit; }
button, summary { cursor: pointer; }
button { touch-action: manipulation; }
button, a, select, input, summary { outline-offset: 5px; }
:focus-visible { outline: 2px solid var(--accent); }
button:disabled { opacity: .3; cursor: default; }
img, video { display: block; max-width: 100%; }
figure { margin: 0; }
sup { font-size: .68em; line-height: 0; margin-left: 2px; }
.shell { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.section { padding-block: 80px; }
.ruled { border-top: 1px solid var(--line); }
.reading { max-width: 860px; margin-inline: auto; }
.section-heading { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr); gap: 80px; margin-bottom: 38px; align-items: start; }
.section-heading h2 { margin-bottom: 0; max-width: 420px; color: #273c62; }
.section-heading h2::after, .abstract-label h2::after { content: ""; display: block; width: 42px; height: 3px; margin-top: 20px; border-radius: 2px; background: #83a0ce; }
.gallery-heading h2::after, .abstract-label h2::after { margin-inline: auto; }
.section-intro { color: var(--body); font-size: 17px; line-height: 1.85; }
.section-intro p:last-child { margin-bottom: 0; }
.topbar { position: sticky; top: 0; z-index: 20; background: #fff; border-bottom: 1px solid var(--line); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { font-family: var(--serif); font-size: 36px; letter-spacing: -.025em; font-weight: 500; color: #263e69; text-decoration: none; line-height: 1; padding-top: 4px; }
.nav > div { display: flex; gap: 32px; }
.nav > div a { color: #46526a; text-decoration: none; font-size: 16px; font-weight: 560; line-height: 1.5; padding-block: 10px 8px; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.nav > div a:hover, .nav > div a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }

.hero { padding-block: 28px 48px; text-align: center; }
.hero-title { max-width: 1100px; margin-inline: auto; }
h1 { margin: 0 0 12px; }
h1 span { color: var(--accent); }
.paper-subtitle { font-size: 22px; line-height: 1.45; font-weight: 430; letter-spacing: -.025em; color: var(--body); margin-bottom: 26px; }
.institutions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 25px; margin-bottom: 22px; }
.institutions img { height: 34px; width: auto; }
.institutions .seal { height: 41px; }
.institutions .wuli { height: 33px; }
.institutions .rtp { height: 30px; }
.institutions .alibaba { height: 29px; }
.logo-divider { height: 25px; width: 1px; background: var(--line); }
.author-block { margin: 0 auto 24px; }
.authors { font-size: 16px; line-height: 1.95; margin-bottom: 8px; color: var(--ink); }
.authors span { display: inline-block; white-space: nowrap; margin-inline: 7px; }
.authors sup { color: var(--muted); }
.affiliations { display: flex; justify-content: center; flex-wrap: wrap; gap: 5px 22px; font-size: 14px; margin-bottom: 5px; color: var(--body); }
.author-notes { display: flex; justify-content: center; flex-wrap: wrap; gap: 2px 14px; font-size: 13px; color: var(--muted); margin-bottom: 0; }
.resources { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.resources a { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 17px; border: 1px solid #d5dae3; border-radius: 6px; color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500; line-height: 1.6; background: #fff; }
.resources a:first-child { color: #fff; background: var(--accent); border-color: var(--accent); }
.resources a[href]:hover { border-color: var(--accent); background: #f3f6fc; }
.resources a:first-child[href]:hover { background: #28487f; }
.resources a[aria-disabled] { cursor: default; }
.resource-icon { width: 17px; height: 17px; font-size: 17px; line-height: 1; }
.tldr { max-width: 960px; margin: 32px auto 36px; }
.tldr-label { display: flex; align-items: center; justify-content: center; gap: 14px; font-size: 13px; letter-spacing: .085em; font-weight: 700; color: var(--accent); margin-bottom: 13px; }
.tldr-label::before, .tldr-label::after { content: ""; width: 36px; height: 1px; background: #aebfdf; }
.tldr p { text-wrap: balance; margin: 0; color: var(--body); font-size: 18px; line-height: 1.85; letter-spacing: -.012em; }
.tldr strong { color: #314d7d; font-weight: 620; }
.keep-phrase { white-space: nowrap; }
.showcase { margin: 28px auto 0; text-align: left; }
.showcase-media { position: relative; }
.showcase video { width: 100%; height: auto; aspect-ratio: 1440 / 560; background: #fff; border-radius: 5px; }
#showcase-toggle { position: absolute; bottom: 14px; right: 14px; min-width: 72px; padding: 5px 13px; border: 1px solid #ffffff80; border-radius: 30px; background: #17202ad9; color: #fff; font-size: 14px; font-weight: 550; }
#showcase-toggle:hover { background: #17202a; }
.showcase figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-top: 14px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.showcase figcaption p { margin: 0; }
.showcase figcaption strong { color: var(--ink); font-weight: 600; }
.showcase figcaption a { white-space: nowrap; text-decoration: none; color: var(--accent); font-weight: 550; }
.hero .tldr { margin-bottom: 0; }

.gallery-section { border-top: 1px solid var(--line); }
.gallery-section .section { padding-block: 62px; }
.gallery-heading { display: block; text-align: center; margin-bottom: 32px; }
.gallery-heading h2 { font-size: 41px; margin: 0 auto 16px; max-width: none; }
.gallery-heading .section-intro { max-width: 760px; margin-inline: auto; font-size: 17px; }
.gallery-settings { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 22px; padding-block: 15px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
#category-filters { display: flex; gap: 6px; flex-wrap: wrap; }
#category-filters button { border: 0; border-radius: 4px; padding: 7px 12px; background: transparent; color: var(--muted); font-size: 14px; }
#category-filters button[aria-pressed=true] { color: var(--accent); background: #edf2fa; font-weight: 650; }
#category-filters button:hover { color: var(--accent); background: #f5f7fb; }
.view-settings { display: flex; gap: 18px; flex-wrap: wrap; }
.view-settings label { display: flex; align-items: center; gap: 11px; font-size: 14px; color: var(--muted); }
select { font-size: 14px; padding: 8px 28px 8px 12px; border: 1px solid #d5dce5; border-radius: 4px; color: var(--ink); background: #fff; }
.gallery-pagination { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 17px 0 30px; }
.gallery-pagination p { font-size: 14px; margin: 0; color: var(--muted); }
.playback-hint { border-left: 1px solid var(--line); margin-left: 15px; padding-left: 15px; }
.gallery-pagination nav { display: flex; align-items: center; gap: 16px; }
.gallery-pagination nav button { border: 1px solid #d7dde6; border-radius: 50%; background: white; color: var(--body); width: 34px; height: 34px; font-size: 18px; line-height: 1; }
.gallery-pagination nav button:not(:disabled):hover { background: #f4f6fa; }
.gallery-pagination nav span { font-size: 14px; font-variant-numeric: tabular-nums; color: var(--body); }
.gallery-pagination > a { font-size: 14px; text-decoration: none; }
.gallery-pagination.bottom { margin-top: 27px; margin-bottom: 0; }
.comparison-grid { display: grid; gap: 34px; }
.case-card { min-width: 0; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.case-heading { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; margin-bottom: 14px; }
.case-heading h3 { margin: 0; font-size: 21px; font-weight: 570; letter-spacing: -.022em; }
.case-category { font-size: 13px; color: var(--muted); }
.case-videos { display: grid; gap: 8px; }
.mode-four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.mode-six { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.mode-pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.video-cell { position: relative; min-width: 0; display: flex; flex-direction: column; }
.video-cell video { width: 100%; height: auto; aspect-ratio: 26 / 15; object-fit: contain; background: #eceef2; border-radius: 3px; }
.method-label { order: -1; font-size: 17px; font-weight: 700; line-height: 1.5; padding: 0 0 7px; color: #424c5d; }
.ours .method-label { color: var(--accent); font-weight: 760; }
.mode-six .method-label { font-size: 15px; }
.video-status { position: absolute; left: 8px; bottom: 8px; max-width: calc(100% - 16px); color: #fff; background: #1b2537e8; border-radius: 2px; font-size: 12px; line-height: 1.5; padding: 4px 7px; pointer-events: none; }
.video-status:empty { display: none; }
.solo-button { position: absolute; right: 7px; bottom: 7px; width: 32px; height: 30px; border: 1px solid #ffffff60; border-radius: 3px; background: #1b2537dd; color: white; font-size: 12px; opacity: 0; }
.video-cell:hover .solo-button, .solo-button:focus-visible { opacity: 1; }
.case-controls { display: flex; align-items: center; gap: 16px; padding-block: 15px 11px; }
.case-controls button { border: 1px solid #d2d9e4; border-radius: 4px; font-size: 14px; line-height: 1.6; padding: 7px 11px; color: var(--body); background: white; white-space: nowrap; }
.case-controls .play-button { border-color: #bcc9e0; color: var(--accent); min-width: 98px; font-weight: 600; }
.case-card.is-playing .play-button { background: var(--accent); border-color: var(--accent); color: #fff; }
.case-time { color: var(--body); font-size: 14px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.case-controls input { flex: 1; min-width: 50px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.case-speed { padding-block: 6px; }
.prompt { color: var(--muted); font-size: 14px; line-height: 1.8; }
.prompt summary { display: flex; align-items: baseline; gap: 10px; list-style: none; }
.prompt summary::-webkit-details-marker { display: none; }
.prompt summary::before { content: '+'; color: var(--muted); width: 8px; flex-shrink: 0; }
.prompt[open] summary::before { content: '−'; }
.prompt-label { font-weight: 550; color: var(--body); flex-shrink: 0; }
.prompt-excerpt { text-overflow: ellipsis; white-space: nowrap; overflow: hidden; }
.prompt[open] .prompt-excerpt { display: none; }
.prompt p { max-width: 1000px; font-size: 14px; margin: 12px 0 5px 18px; color: var(--body); }
.prompt > a { margin-left: 18px; font-size: 14px; }
.protocol { color: var(--muted); font-size: 14px; margin-top: 25px; }
.protocol summary { width: fit-content; }
.protocol p { margin-top: 12px; max-width: 850px; }

.abstract-section { padding-block: 80px; border-top: 1px solid var(--line); }
.abstract-copy { max-width: 900px; margin-inline: auto; }
.abstract-copy p + p { margin-top: 23px; }
.abstract-label { text-align: center; margin-bottom: 35px; }
.abstract-label h2 { font-size: 39px; margin-bottom: 0; color: #273c62; }
.abstract-copy p { font-size: 18px; line-height: 1.95; color: var(--body); margin-bottom: 0; }
.abstract-copy p:last-child { margin-bottom: 0; }
.paper-figure { padding: 0; }
.paper-figure img { width: 100%; height: auto; }
.paper-figure figcaption { max-width: 1040px; margin: 25px auto 0; font-size: 15px; line-height: 1.85; color: var(--body); }
.method-section > .shell { border-top: 1px solid var(--line); }
.method-section .paper-figure { max-width: 1120px; margin-inline: auto; }
.method-steps { list-style: none; padding: 0; margin: 35px 0 0; display: grid; grid-template-columns: 1fr 1fr 1.25fr; gap: 34px; }
.method-steps li { border-top: 1px solid var(--line); padding-top: 22px; }
.method-steps h3 { font-size: 18px; margin-bottom: 14px; }
.step-number { display: block; font-family: var(--serif); color: var(--accent); font-size: 32px; line-height: 1; margin-bottom: 20px; }
.method-steps p { font-size: 16px; line-height: 1.85; color: var(--body); margin: 0; }
.table-scroll { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 5px; padding: 25px 25px 8px; }
table { border-collapse: collapse; width: 100%; font-size: 16px; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
caption { text-align: left; color: var(--body); font-size: 14px; padding-bottom: 22px; white-space: normal; line-height: 1.9; }
.caption-text { display: block; max-width: calc(100vw - 88px); }
th, td { padding: 16px; border-bottom: 1px solid var(--line); }
th { font-weight: 450; }
thead th { color: var(--muted); font-size: 14px; }
thead tr:first-child th { text-align: center; }
thead tr:first-child th:first-child, tbody th { text-align: left; }
tbody th { font-size: 14px; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr.ours { background: #f0f4fc; }
tbody tr.ours th { color: var(--accent); font-weight: 750; }
.score-best, .score-second, .best-key, .second-key { display: inline-block; padding: 2px 7px; line-height: 1.5; border-radius: 3px; }
.score-best, .best-key { color: #994424; background: #f9e7d8; font-weight: 750; }
.score-second, .second-key { color: #3b5991; background: #eaf0f9; font-weight: 620; text-decoration: underline; text-underline-offset: 3px; }
.table-note { margin: 17px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.evidence-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 24px; margin-top: 44px; }
.evidence-grid figure { background: #fff; padding: 25px; border: 1px solid var(--line); border-radius: 5px; }
.evidence-grid h3 { font-family: var(--serif); font-size: 27px; font-weight: 500; margin-bottom: 25px; }
.evidence-grid img { width: 100%; height: 310px; object-fit: contain; }
.evidence-grid figcaption { font-size: 15px; line-height: 1.85; color: var(--body); margin-top: 23px; }
.robustness-section > .shell { border-top: 1px solid var(--line); }
.after-figure { margin-top: 30px; font-size: 16px; line-height: 1.9; color: var(--body); }
.after-figure p:last-child { margin-bottom: 0; }
.citation { padding-block: 80px 64px; display: grid; grid-template-columns: .65fr 1.6fr; gap: 10px 100px; }
.citation-heading h2 { margin-bottom: 22px; }
.citation button { border: 1px solid #c9d3e4; border-radius: 4px; background: transparent; color: var(--accent); font-size: 14px; padding: 8px 14px; }
pre { padding: 22px 25px; margin: 0; background: #f7f8fa; border: 1px solid var(--line); border-radius: 5px; color: var(--body); font: 13px / 1.85 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-x: auto; }
#citation-status { grid-column: 2; min-height: 1em; margin: 0; color: var(--muted); font-size: 13px; }
footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer > div { display: flex; align-items: center; gap: 20px; }
footer > a { color: var(--muted); text-decoration: none; }
.skip { position: fixed; top: -100px; left: 10px; z-index: 50; background: white; padding: 9px; }
.skip:focus { top: 10px; }
@media (max-width: 1100px) {
  .shell { width: calc(100% - 64px); }
  h1 { font-size: 54px; }
  .section-heading { gap: 50px; grid-template-columns: .8fr 1.2fr; }
  .gallery-heading { display: block; }
  .citation { gap: 50px; grid-template-columns: .65fr 1.6fr; }
  .mode-six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .evidence-grid img { height: 260px; }
}
@media (max-width: 800px) {
  .shell { width: calc(100% - 48px); }
  .hero { padding-top: 32px; }
  h1 { font-size: 51px; }
  .paper-subtitle { font-size: 21px; }
  .tldr { margin-block: 30px; max-width: 650px; }
  .tldr p { font-size: 17px; }
  .authors span { margin-inline: 5px; }
  .institutions { gap: 22px; }
  .showcase figcaption { display: block; }
  .showcase figcaption a { display: inline-block; margin-top: 6px; }
  .section { padding-block: 60px; }
  h2 { font-size: 35px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading h2 { margin-bottom: 20px; max-width: 100%; }
  .section-intro { font-size: 16px; }
  .gallery-heading h2 { font-size: 38px; }
  .abstract-copy p + p { margin-top: 20px; }
  .abstract-label h2 { font-size: 37px; }
  .abstract-copy p { font-size: 17px; }
  .mode-four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-videos { gap: 14px 9px; }
  .method-steps { grid-template-columns: 1fr; gap: 26px; }
  .method-steps li { padding-top: 20px; }
  .method-steps h3 { font-size: 17px; display: flex; gap: 17px; align-items: baseline; }
  .step-number { font-size: 24px; margin: 0; }
  .evidence-grid { grid-template-columns: 1fr; gap: 22px; }
  .evidence-grid img { height: auto; max-height: 370px; }
  .citation { display: block; }
  .citation-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 23px; }
  .citation-heading h2 { margin: 0; }
  #citation-status { margin-top: 12px; }
}
@media (max-width: 550px) {
  .shell { width: calc(100% - 36px); }
  .nav { min-height: 60px; gap: 12px; }
  .nav > div { gap: 12px; }
  .nav > div a { font-size: 14px; font-weight: 560; }
  .brand { font-size: 28px; }
  .hero { padding-block: 28px 40px; }
  .institutions { gap: 15px; margin-bottom: 25px; }
  .institutions img, .institutions .seal { height: 30px; }
  .institutions .wuli { height: 25px; }
  .institutions .rtp { height: 23px; }
  .institutions .alibaba { height: 23px; }
  .logo-divider { height: 20px; }
  h1 { font-size: 42px; line-height: 1.08; margin-bottom: 16px; letter-spacing: -.027em; }
  .paper-subtitle { font-size: 18px; line-height: 1.5; margin-bottom: 22px; }
  .authors { font-size: 13px; line-height: 1.9; }
  .author-break { display: none; }
  .affiliations { font-size: 12px; gap: 5px 12px; }
  .author-notes { font-size: 12px; }
  .author-block { margin-bottom: 20px; }
  .resources { gap: 8px; }
  .resources a { font-size: 13px; padding: 8px 10px; }
  .resource-icon { width: 16px; height: 16px; }
  .tldr { margin-block: 27px; }
  .tldr p { font-size: 16px; line-height: 1.8; }
  .tldr-label { font-size: 11px; margin-bottom: 9px; }
  .showcase { margin-top: 24px; }
  .showcase figcaption { margin-top: 12px; font-size: 13px; }
  #showcase-toggle { bottom: 8px; right: 8px; min-width: 58px; font-size: 12px; padding: 3px 10px; }
  .gallery-section .section { padding-block: 42px; }
  .gallery-heading h2 { font-size: 35px; }
  .gallery-settings { gap: 18px; padding-block: 13px; }
  #category-filters { gap: 1px; }
  #category-filters button { font-size: 12px; padding: 6px 9px; }
  .view-settings { gap: 12px; }
  .view-settings label { font-size: 12px; }
  .gallery-pagination { gap: 10px; margin-block: 16px 25px; }
  .gallery-pagination p { display: flex; flex-direction: column; gap: 3px; font-size: 11px; }
  .playback-hint { border: 0; padding: 0; margin: 0; }
  .gallery-pagination nav { gap: 10px; }
  .gallery-pagination nav button { width: 30px; height: 30px; }
  .comparison-grid { gap: 27px; }
  .case-card { padding-bottom: 24px; }
  .case-heading { gap: 12px; margin-bottom: 13px; }
  .case-heading h3 { font-size: 18px; }
  .case-category { font-size: 11px; }
  .mode-six { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-label, .mode-six .method-label { font-size: 14px; padding-bottom: 5px; }
  .solo-button { opacity: 1; width: 27px; height: 26px; right: 6px; bottom: 6px; }
  .case-controls { display: grid; grid-template-columns: auto 1fr auto auto; gap: 9px; padding-block: 15px 11px; }
  .case-controls .play-button { min-width: 87px; }
  .case-time { font-size: 11px; justify-self: center; }
  .case-controls input { grid-column: 1 / -1; grid-row: 2; width: 100%; }
  .case-controls button { font-size: 12px; padding: 6px 8px; }
  .case-speed { font-size: 12px; padding: 6px 18px 6px 6px; }
  .prompt { font-size: 12px; }
  .prompt p { font-size: 13px; }
  .section { padding-block: 48px; }
  h2, .abstract-label h2 { font-size: 34px; }
  .section-intro, .abstract-copy p, .after-figure { font-size: 16px; }
  .paper-figure figcaption, .evidence-grid figcaption { font-size: 13px; line-height: 1.85; margin-top: 16px; }
  .method-steps p { font-size: 16px; }
  .evidence-grid { margin-top: 28px; }
  .evidence-grid figure { padding: 18px; }
  .evidence-grid h3 { font-size: 26px; margin-bottom: 16px; }
  .table-scroll { padding: 18px 12px 7px; }
  th, td { padding: 13px; }
  .table-note { font-size: 12px; }
  .citation-heading h2 { font-size: 32px; }
  .citation button { font-size: 12px; padding: 7px 10px; }
  pre { padding: 16px; font-size: 11px; }
  footer > div > span { display: none; }
}
@media (max-width: 420px) {
  .nav > div { gap: 10px; }
  .nav > div a { font-size: 12px; }
}
@media (max-width: 380px) {
  .nav { width: calc(100% - 24px); gap: 8px; }
  .nav > div { gap: 8px; }
}
/* Keep landscape desktop pages compact without reducing body-text sizes. */
@media (min-width: 1000px) and (orientation: landscape) {
  html { scroll-padding-top: 76px; }
  .nav { min-height: 62px; }
  .brand { font-size: 33px; }
  .hero { padding-block: 20px 36px; }
  .institutions { margin-bottom: 16px; }
  h1 { font-size: clamp(50px, 4.4vw, 58px); margin-bottom: 8px; }
  .paper-subtitle { font-size: 21px; line-height: 1.4; margin-bottom: 16px; }
  .author-block { margin-bottom: 16px; }
  .authors { line-height: 1.7; margin-bottom: 5px; }
  .resources a { padding-block: 8px; }
  .showcase { margin-top: 20px; }
  .showcase figcaption { margin-top: 10px; }
  .tldr { margin-top: 24px; }
  .tldr-label { margin-bottom: 8px; }
  .tldr p { line-height: 1.7; }
  .section, .abstract-section { padding-block: 54px; }
  .section-heading { grid-template-columns: minmax(0, .65fr) minmax(0, 1.45fr); gap: 56px; margin-bottom: 26px; }
  .section-heading h2::after, .abstract-label h2::after { margin-top: 14px; }
  .section-intro { line-height: 1.75; }
  .gallery-section .section { padding-block: 46px; }
  .gallery-heading { margin-bottom: 24px; }
  .gallery-heading h2 { margin-bottom: 12px; }
  .gallery-settings { padding-block: 10px; }
  .gallery-pagination { margin-block: 14px 24px; }
  .comparison-grid { gap: 24px; }
  .case-card { padding-bottom: 20px; }
  .case-heading { margin-bottom: 10px; }
  .case-controls { padding-block: 10px 8px; }
  .abstract-label { margin-bottom: 24px; }
  .abstract-copy { max-width: 960px; }
  .abstract-copy p { line-height: 1.75; }
  .abstract-copy p + p { margin-top: 18px; }
  .paper-figure { max-width: 1056px; margin-inline: auto; }
  .method-section .paper-figure { max-width: 980px; }
  .paper-figure figcaption { margin-top: 18px; line-height: 1.75; }
  .method-steps { margin-top: 26px; gap: 28px; }
  .method-steps li { padding-top: 16px; }
  .method-steps h3 { margin-bottom: 10px; }
  .step-number { margin-bottom: 12px; }
  .method-steps p { line-height: 1.7; }
  .table-scroll { padding: 20px 22px 6px; }
  caption { padding-bottom: 16px; }
  th, td { padding-block: 12px; }
  .evidence-grid { margin-top: 30px; }
  .evidence-grid figure { padding: 20px; }
  .evidence-grid h3 { margin-bottom: 18px; }
  .evidence-grid img { height: 280px; }
  .evidence-grid figcaption { margin-top: 16px; line-height: 1.75; }
  .after-figure { margin-top: 22px; line-height: 1.75; }
  .citation { padding-block: 54px 44px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* The narrated overview uses its native 16:9 composition. */
.overview { max-width: 1056px; margin: 28px auto 0; text-align: left; }
.overview-media { position: relative; overflow: hidden; border: 1px solid #e5e7ee; border-radius: 12px; background: #faf9f6; box-shadow: 0 8px 32px -20px #28344e38; }
.overview video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; }
#overview-start { position: absolute; bottom: 4.4%; left: 50%; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 10px; padding: 11px 18px; border: 1px solid #d7dfea; border-radius: 999px; background: #fff; color: #344f9c; box-shadow: 0 3px 12px #24365012; font: 600 15px/1.2 Inter, sans-serif; white-space: nowrap; cursor: pointer; }
#overview-start[hidden] { display: none; }
#overview-start:hover { background: #eef2ff; border-color: #b3c1e1; }
#overview-start:focus-visible { outline: 3px solid #4164d5; outline-offset: 3px; }
#overview-start svg { width: 18px; height: 18px; fill: currentColor; }
.overview-duration { padding-left: 10px; border-left: 1px solid #d7dfea; font-size: 13px; font-weight: 500; color: #667085; }
.overview figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-top: 14px; color: #677181; font-size: 14px; line-height: 1.7; }
.overview figcaption p { margin: 0; }
.overview figcaption strong { color: #354054; font-weight: 600; }
.overview figcaption a { flex-shrink: 0; color: #3f5dab; font-weight: 600; text-decoration: none; }
.overview figcaption a:hover { text-decoration: underline; }
.overview-status { font-size: 14px; color: #813523; }
@media (max-width: 700px) {
  .overview { margin-top: 24px; }
  .overview-media { border-radius: 8px; }
  .overview figcaption { display: block; font-size: 13px; }
  .overview figcaption a { display: inline-block; margin-top: 6px; }
  #overview-start { bottom: 3%; gap: 7px; padding: 8px 12px; font-size: 12px; }
  #overview-start svg { width: 14px; height: 14px; }
  .overview-duration { font-size: 11px; padding-left: 7px; }
}