:root{--ink:#282b30;--muted:#6d747d;--line:#e6e8eb;--paper:#fff;--wash:#f7f8fa;--blue:#2781bf;--pink:#c77a8c;--gold:#d0a64c;--green:#467d65;--radius:18px;--content-width:1350px;--page-gutter:clamp(20px,2.25vw,32px);--max:calc(var(--content-width) + var(--page-gutter) + var(--page-gutter))}
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#f0f1f3;padding-top:15px;margin-top:14px}.play-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #dfe3e8;background:white;border-radius:8px;padding:6px 12px;min-height:34px;white-space:nowrap;font-size:12px;font-weight:600;color:#5e6671}.play-button:hover{border-color:#b4c4d3;color:var(--blue)}.step-buttons{display:flex;align-items:center;justify-content:center;flex:1;gap:5px;flex-wrap:wrap}.step-buttons button{font-size:18px;font-weight:500;line-height:1.4;min-height:40px;padding:8px 12px;border-radius:7px;transition:background .2s,color .2s;white-space:nowrap;color:#6f7883}.step-buttons button[aria-pressed=true]{background:#f4f0e5;color:#84611d}.replay-button{font-size:23px;color:#9399a2;line-height:1;padding:3px 5px}figcaption{margin:16px auto 0;max-width:880px;text-align:center;font-size:13px;color:#7c838c;line-height:1.65;min-height:22px}.equation{margin:10px auto 0;max-width:800px;font-family:Georgia,"Times New Roman",serif;text-align:center;font-size:18px;line-height:1.7;color:#515963;min-height:31px}.equation sub{font-size:.7em}.segmented{display:flex;justify-content:center;gap:4px;padding:5px;background:#f2f4f6;border-radius:11px;width:fit-content;max-width:100%;margin:0 auto 25px}.segmented button{border-radius:7px;padding:8px 21px;font-size:14px;color:#848b94;transition:all .2s;white-space:nowrap}.segmented button span{font-size:11px;display:inline-block;margin-left:9px;opacity:.75}.segmented button[aria-pressed=true]{background:white;color:#30363e;box-shadow:0 1px 6px #14202f10}.compact{margin:0;padding:3px;gap:2px}.compact button{padding:5px 14px;font-size:12px}.benchmark-detail{display:grid;grid-template-columns:1fr 1.1fr;gap:32px;background:var(--wash);border:1px solid #edf0f3;border-radius:var(--radius);padding:28px;margin:0 0 25px;align-items:center}.eyebrow{font-size:10px;letter-spacing:1.6px;color:#939aa3;display:block;margin-bottom:8px}.benchmark-copy 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0}.camera-settings{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:#73808e}.camera-settings select{margin-left:8px}.camera-settings select,select{border:1px solid #dfe4e9;border-radius:6px;background:white;color:#4b5664;padding:5px 9px;font-size:12px}.checkbox-label{display:flex;gap:5px;align-items:center}.camera-timeline{display:flex;align-items:center;gap:10px;color:#87909b;font-size:10px}.camera-timeline input{flex:1;min-width:60px}input[type=range]{accent-color:#bc9143;cursor:pointer}.result-toolbar{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:0 0 17px}.result-toolbar label{font-size:12px;color:#7c8590;display:flex;align-items:center;gap:10px}.result-toolbar select{max-width:340px}.result-toolbar>.small-note{margin-left:auto}.chart-card,.qualitative-card,.video-comparison{border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 20px;background:#fff;overflow:hidden}.chart-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:7px}.chart-heading h3{font-size:22px}.chart-heading p{margin:0;color:#6d7580;font-size:13px}.chart-card svg text{font-family:var(--font-body)}.chart-bar{transition:width .5s ease}.table-scroll{overflow-x:auto;scrollbar-width:thin}table{border-collapse:collapse;width:100%;font-size:12px;white-space:nowrap;text-align:right}th,td{padding:11px 16px;border-bottom:1px solid #eef0f3;font-variant-numeric:tabular-nums}th{font-weight:500;font-size:10px;color:#939ba5;letter-spacing:.2px}th:first-child,td:first-child{text-align:left}tbody tr:last-child td{border-bottom:0}.best-row{background:#f2f7f4;color:#346c51}.best-row td:first-child{font-weight:650}.best-row .best-score{font-weight:750}.table-method{display:flex;align-items:center;gap:7px}.method-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#9fa9b6}.method-dot.moc{background:#bc8793}.method-dot.ours{background:#478b6a}.paper-comparison{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}.comparison-cell{min-width:0}.comparison-label{font-size:12px;color:#727b87;display:flex;align-items:center;gap:7px;margin-bottom:7px}.comparison-cell button{display:block;width:100%;padding:0;border-radius:8px;overflow:hidden}.comparison-cell img{width:100%;aspect-ratio:1.77;object-fit:cover;display:block}.comparison-cell.ours img{outline:2px solid #5a9073;outline-offset:-2px}.scrub-controls{display:flex;align-items:center;gap:15px;margin-top:15px}.scrub-controls>label{display:flex;align-items:center;gap:12px;color:#858f9c;font-size:11px;flex:1;min-width:0}.scrub-controls input{flex:1;min-width:60px}.scrub-controls>input{flex:1}.scrub-controls .small-note{min-width:40px;text-align:right}.text-link{font-size:12px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}.text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7}.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.video-item video,.video-item .preview-video{display:block;background:#f5f6f7;width:100%;aspect-ratio:1.77;border-radius:8px}.video-label{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#687482;margin:0 0 8px}.video-label b{font-weight:500}.video-label span{font-size:10px;color:#99a1ac}.video-item.ours video,.video-item.ours .preview-video{outline:2px solid #5a9073;outline-offset:-2px}.subtle-button{font-size:11px;white-space:nowrap;background:#f2f4f7;color:#758190;padding:7px 11px;border-radius:6px}.chart-legend{display:flex;gap:16px;font-size:11px;color:#7e8793}.chart-legend span::before{content:'';display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:6px;background:#9fa9b6;border-radius:2px}.chart-legend .moc::before{background:#bc8793}.chart-legend .ours::before{background:#478b6a}.chart-tooltip{text-align:center;font-size:12px;color:#7b8590;min-height:23px;margin-top:4px;font-variant-numeric:tabular-nums}.results-details{margin-top:18px;border:1px solid var(--line);border-radius:12px;overflow:hidden}.results-details summary{cursor:pointer;padding:18px 22px;font-size:15px;font-weight:550;display:flex;gap:14px;align-items:center;list-style:none}.results-details summary::-webkit-details-marker{display:none}.results-details summary::before{content:'+';font-size:20px;color:#9da4ae;font-weight:300}.results-details[open] summary::before{content:'−'}.details-meta{margin-left:auto;font-size:11px;font-weight:400;color:#929ba6}.details-body{padding:0 22px 22px}.details-body p{font-size:13px;color:#7e8793;max-width:870px}.details-body caption{text-align:left;font-size:11px;color:#929ba6;margin:12px 0}.details-body table{font-size:11px}.details-body th,.details-body td{padding:10px 12px}
footer{max-width:var(--content-width);margin:80px auto 0;padding:28px 0 35px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px;color:#929ba6;font-size:11px}footer p{margin:0}footer a{color:#7f8d9e}.footer-brand{font-size:14px;font-weight:650;color:#5b6470;display:flex;gap:8px;align-items:center}.footer-brand:hover{text-decoration:none}dialog{border:0;padding:24px;background:white;border-radius:14px;max-width:min(1000px,94vw);box-shadow:0 25px 100px #0005}dialog::backdrop{background:#12171fcc;backdrop-filter:blur(6px)}dialog>img{display:block;max-height:78vh;object-fit:contain;border-radius:6px}dialog p{font-size:var(--copy-size);line-height:var(--copy-line-height);text-align:center;margin:12px 0 0;color:#727e8c}#close-dialog{position:absolute;top:1px;right:4px;font-size:25px;color:#7f8a97;line-height:1;padding:1px 5px}.noscript{max-width:800px;margin:25px auto;text-align:center}
@media(max-width:800px){.hero{padding:35px var(--page-gutter) 28px}h1{font-size:37px;letter-spacing:-1.2px}.authors{font-size:16px;gap:0 13px}.affiliations{font-size:12px;gap:3px 14px}.author-notes{font-size:10px}.pill{font-size:13px;padding:0 14px;height:38px}.section{padding-top:58px}.intro-section{padding-top:28px}h2{font-size:32px}.section-lead{font-size:15px}.intro-copy{font-size:15px}.figure-card,.chart-card,.qualitative-card,.video-comparison{padding:17px 16px}.animation-controls{gap:5px}.step-buttons button{font-size:15px;padding:8px 10px}figcaption{font-size:12px}.benchmark-detail{grid-template-columns:1fr 1fr;gap:18px;padding:20px}.benchmark-copy h3{font-size:21px}.benchmark-copy p{font-size:12px}.contact-sheet{grid-template-columns:repeat(4,1fr)}.result-toolbar{gap:10px}.result-toolbar>.small-note{margin-left:0}.chart-legend{gap:8px;font-size:10px}.scrub-controls{gap:8px}.scrub-controls>label{gap:6px}.subsection-heading{gap:10px;align-items:flex-start}.subsection-heading h3{font-size:17px}.text-link{font-size:10px}.input-prompt{font-size:14px}footer{margin:55px 24px 0;flex-wrap:wrap}.videos,.paper-comparison{gap:7px}.video-label{font-size:10px}.video-label span{font-size:8px}.comparison-label{font-size:10px}}
@media(max-width:520px){main{padding:0 var(--page-gutter)}.hero{padding:28px var(--page-gutter) 24px}h1{font-size:30px;line-height:1.18;letter-spacing:-1px;margin-bottom:24px}.authors{font-size:14px;gap:1px 11px}.affiliations{font-size:11px;max-width:340px}.author-notes{font-size:9px;max-width:330px}.resource-links{gap:6px;margin-top:22px}.pill{font-size:12px;padding:0 12px;gap:5px}.pill svg{width:14px}.intro-copy{font-size:14px}.figure-card{padding:12px 10px;border-radius:12px}.figure-topline{margin-bottom:10px}.figure-topline .input-prompt{font-size:12px}.quiet-label{font-size:9px}.animation-controls{flex-wrap:wrap;margin-top:8px;padding-top:9px}.play-button{font-size:10px;min-height:29px;padding:5px 8px}.step-buttons{order:3;flex-basis:100%;gap:0}.step-buttons button{font-size:14px;padding:8px 10px}.animation-controls .replay-button{margin-left:auto}.equation{font-size:15px}.section-heading h2{font-size:29px}.section-lead{font-size:14px}.benchmark-detail{grid-template-columns:1fr;padding:20px}.benchmark-copy h3{font-size:23px}.benchmark-copy p{font-size:13px}.benchmark-interaction{width:100%}.benchmark-copy .input-tags{margin-bottom:2px}.segmented button{font-size:12px;padding:7px 12px}.segmented button span{font-size:9px;margin-left:5px}.contact-sheet{gap:5px}.figure-note{font-size:10px}.chart-heading h3{font-size:14px}.chart-heading p{font-size:11px}.chart-card,.qualitative-card,.video-comparison{padding:15px 11px;border-radius:12px}.result-toolbar label{font-size:10px;gap:6px}.result-toolbar select{font-size:11px;max-width:250px}.result-toolbar>.small-note{font-size:10px}th,td{padding:9px 9px;font-size:11px}th{font-size:9px}.subsection-heading .text-link{max-width:133px;white-space:normal;line-height:1.3}.videos{grid-template-columns:1fr}.video-item{display:grid;grid-template-columns:76px 1fr;align-items:center;gap:9px}.video-label{flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;font-size:11px}.video-label span{font-size:9px}.video-item video,.video-item .preview-video{max-height:190px}.scrub-controls{flex-wrap:wrap}.scrub-controls .subtle-button{font-size:10px}.scrub-controls>.small-note{font-size:10px}.scrub-controls>label{font-size:9px}.paper-comparison{gap:5px}.comparison-label{font-size:9px}.chart-legend{gap:7px;font-size:9px}.chart-legend span::before{width:9px;margin-right:4px}.details-meta{font-size:9px;max-width:130px;text-align:right}.results-details summary{padding:14px 15px;font-size:13px}.details-body{padding:0 12px 15px}footer{display:grid;grid-template-columns:1fr 1fr;font-size:10px}footer p{grid-column:1/-1;grid-row:2}.footer-brand{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

.animation-controls .play-button{font-size:16px;min-height:40px;padding:8px 12px}

/* A clear title introduces the input visualization; its description is above. */
.benchmark-detail{grid-template-columns:minmax(0,1fr);gap:24px}
.benchmark-title{font-size:18px;font-weight:600;line-height:1.4;letter-spacing:0;color:#424952}
.benchmark-title>span{font-weight:500}
#camera-interaction{width:100%;max-width:none;justify-self:center}
.prompt-stages{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;list-style:none;margin:0;padding:0;text-align:left}
.prompt-stages li{min-width:0}
.prompt-stages h4{display:flex;align-items:center;gap:9px;margin:0 0 12px;font-size:18px;line-height:1.4;font-weight:600;color:#424952}
.prompt-stages h4 span{display:grid;place-items:center;flex:none;width:26px;height:26px;border-radius:50%;background:#eee5d4;color:#946d27;font-size:13px;font-weight:600}
.prompt-preview{display:block;width:100%;padding:0;border-radius:8px;overflow:hidden}
.prompt-preview img{display:block;width:100%;aspect-ratio:1.79;object-fit:cover}
.prompt-preview:hover{outline:2px solid #bc9143;outline-offset:2px}
.camera-playback{display:flex;align-items:center;gap:12px;margin:14px 0 12px}
.camera-playback .play-button{font-size:13px;min-width:90px;min-height:38px}
.camera-playback .camera-timeline{flex:1;min-width:0;font-size:12px;gap:8px}
@media(max-width:800px){
  .benchmark-title{font-size:16px}
  .prompt-stages{gap:12px}
  .prompt-stages h4{font-size:16px;gap:6px}
  .prompt-stages h4 span{width:22px;height:22px;font-size:12px}
  .camera-playback{flex-wrap:wrap;gap:10px}
  .camera-playback .camera-timeline{flex-basis:100%}
}
@media(max-width:680px){
  .prompt-stages{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 12px}
  .prompt-stages h4{font-size:16px}
}
@media(max-width:350px){
  .prompt-stages h4{gap:5px;font-size:15px}
  .prompt-stages h4 span{width:20px;height:20px;font-size:11px}
}

/* A small mosaic sits beside the name and stays attached when the title wraps. */
.title-mosaic{display:inline-block;width:1.08em;height:1.08em;vertical-align:-.17em;margin-right:.16em}

/* Keep the author order, with four / three names on desktop and three / two /
   two on narrow screens. Haiwen always shares the last row with Qianqian. */
.authors .author-link{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.16em;cursor:pointer}
@media(max-width:680px){.authors{font-size:clamp(11px,3.1vw,15px);gap:2px 7px}.desktop-author-break{display:none}.mobile-author-break{display:block}}
@media(max-width:350px){.authors{font-size:10.5px;column-gap:3px}}

/* Main text and visualizations share one centered content column. */
:root{--copy-width:1080px;--copy-size:24px;--copy-line-height:1.6}
.intro-copy,.section-lead,.figure-intro{
  width:100%;max-width:var(--copy-width);font-size:var(--copy-size);line-height:var(--copy-line-height);
  color:#424952;text-align:left;hyphens:none;
}
.intro-section .hero-figure{margin-bottom:32px}
.intro-copy{margin:0 auto 24px}
.section-lead{margin:24px auto 32px}
.figure-intro{margin:0 auto 28px}
.chart-card+.figure-intro{margin-top:32px}
.intro-copy strong{font-weight:650;color:#2c333b}
.math-inline{white-space:nowrap;hyphens:none}
.math-inline .katex{font-size:1.04em;line-height:1.2}
.equation{font-family:inherit;font-size:22px;max-width:min(100%,var(--copy-width));min-width:0;margin:8px auto 26px}
.equation .katex-display{margin:12px 0 4px;padding:5px 0 9px;overflow-x:auto;overflow-y:hidden}
.equation .katex-display>.katex{font-size:1.08em;min-width:max-content}
.equation[data-equation="score"] .katex-display>.katex{min-width:0;white-space:normal}
.metric-axis-label{font-size:15px;line-height:1.5;color:#727f8a;text-align:center;margin-top:6px}
.metric-axis-label .math-inline{display:inline-block;margin:0 2px}
@media(max-width:520px){.equation{font-size:18px}.metric-axis-label{font-size:12px}}
.subsection-heading h3{font-size:28px;max-width:none}
.subsection-heading{max-width:var(--copy-width);margin:44px auto 18px}
.subsection-heading.diversity-heading{max-width:none;justify-content:center;text-align:center}
figcaption{width:100%;max-width:none;text-align:left;font-size:var(--copy-size);line-height:var(--copy-line-height);color:#66717d}
.figure-note{width:100%;max-width:none;margin:16px auto 0;font-size:var(--copy-size);line-height:var(--copy-line-height);color:#727c88}
.benchmark-copy p{max-width:none;font-size:16px;line-height:1.75;color:#596574}
.details-body p{max-width:none;font-size:17px;line-height:1.8;color:#535f6d}
@media(max-width:800px){
  :root{--copy-size:22px}
  .intro-copy,.section-lead,.figure-intro{font-size:var(--copy-size);line-height:var(--copy-line-height)}
  .subsection-heading h3{font-size:23px}
}
@media(max-width:520px){
  :root{--copy-size:20px;--page-gutter:15px}
  .intro-copy,.section-lead,.figure-intro{font-size:var(--copy-size);line-height:var(--copy-line-height);text-align:left}
  .subsection-heading h3{font-size:21px}
  .benchmark-copy p,.details-body p{font-size:15px}
}

/* All discrete choices share one segmented-control vocabulary. */
.segmented{gap:5px;padding:6px;background:#f1f3f5;border-radius:15px}
.segmented button{border-radius:10px;padding:11px 22px;font-size:16px;transition:background .3s,color .3s,box-shadow .3s}
.segmented button[aria-pressed=true]{box-shadow:0 3px 14px #2633430b}
.segmented button span{font-size:13px;margin-left:12px}
.segmented.compact{margin:0;padding:4px;border-radius:11px;flex-wrap:wrap}
.segmented.compact button{font-size:13px;padding:9px 14px;border-radius:8px}
.split-selection{margin:28px auto}
.control-group{display:flex;align-items:center;gap:12px;min-width:0}
.control-label{font-size:12px;color:#7c8792;white-space:nowrap}
.camera-settings{flex-wrap:wrap;justify-content:center;gap:14px}
.camera-settings .control-group{gap:8px}
.camera-settings .segmented.compact button{padding:7px 11px}
.results-subheading{display:flex;align-items:baseline;max-width:var(--copy-width);margin:52px auto 22px;padding-top:25px;border-top:1px solid #e9edf0}
.results-subheading h3{font-size:36px;font-weight:600;letter-spacing:-.7px}

/* Featured comparisons follow the introduction in a viewport-wide section. */
.qualitative-showcase{
  position:relative;left:50%;transform:translateX(-50%);
  width:calc(100vw - var(--page-gutter) - var(--page-gutter));
  min-height:100vh;min-height:100svh;margin:24px 0 0;padding:24px 0;
  display:flex;flex-direction:column;justify-content:center;
}
.qualitative-showcase>.split-selection{margin:0 auto 24px}
.qualitative-showcase>.pagination-dots{margin:8px 0 0}
@media(min-width:901px){
  .qualitative-showcase{--showcase-gutter:clamp(48px,4vw,96px)}
  .qualitative-showcase .video-carousel{--carousel-gutter:var(--showcase-gutter)}
  .qualitative-showcase .carousel-heading{margin-left:var(--showcase-gutter);margin-right:var(--showcase-gutter)}
}

.carousel-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 48px 18px}
.carousel-heading h4{font-size:20px;font-weight:550;line-height:1.4;margin:0 0 4px;max-width:690px}
.pagination{display:flex;align-items:center;gap:18px;flex-shrink:0}
.pagination button{width:43px;height:43px;border:1px solid #d5dcd9;border-radius:50%;font-size:23px;color:#39735a;transition:background .25s,transform .25s}
.pagination button:hover{background:#f0f5f2;transform:translateY(-1px)}
.pagination>span{font:500 13px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1px;color:#778079;min-width:64px;text-align:center}
/* One shared track carries the current example and its neighboring cards. */
.video-carousel{--carousel-gutter:48px;--carousel-gap:0px;position:relative;isolation:isolate;overflow:hidden;padding:10px 0 18px}
.carousel-track{display:flex;align-items:stretch;gap:var(--carousel-gap);width:100%;transform:translateX(calc(-100% + var(--carousel-gutter) + var(--carousel-gutter) + var(--carousel-gutter) - var(--carousel-gap)))}
.video-comparison{position:relative;box-shadow:0 10px 30px #22332d08;background:white}
.carousel-track>.video-comparison{flex:0 0 calc(100% - var(--carousel-gutter) - var(--carousel-gutter));width:calc(100% - var(--carousel-gutter) - var(--carousel-gutter));min-width:0;margin:0}
.carousel-peek{display:block;text-align:left;opacity:.42;transform:scale(.95);transform-origin:center;transition:opacity .2s}
.carousel-peek:hover{opacity:.65}
.preview-progress{display:block;flex:1;min-width:60px;height:7px;margin:0 2px;background:#464a47;border:1px solid #858782;border-radius:8px;position:relative}
.preview-progress::before{content:'';position:absolute;left:-1px;top:50%;transform:translateY(-50%);width:15px;height:15px;background:#bc9143;border-radius:50%}
.video-label{font-size:13px}.video-label span{font-size:11px}
.video-prompt{margin-top:17px;border-top:1px solid #e7ece9}
.video-prompt summary,.preview-prompt-label{display:flex;align-items:center;justify-content:space-between;list-style:none;padding-top:15px;font-size:12px;font-weight:600;letter-spacing:.5px;color:#47816a;cursor:pointer}
.video-prompt summary::-webkit-details-marker{display:none}
.video-prompt summary::after,.preview-prompt-label::after{content:'+';font-size:20px;font-weight:400;line-height:1}
.video-prompt[open] summary::after{content:'−'}
.video-prompt p{font-size:14px;line-height:1.8;color:#657268;margin:15px 0 0}
.pagination-dots{display:flex;align-items:center;justify-content:center;gap:4px;margin:2px 0 28px}
.pagination-dots button{display:grid;place-items:center;width:28px;height:28px}
.pagination-dots button::after{content:'';height:6px;width:6px;border-radius:50%;background:#ccd6d0;transition:width .3s,background .3s}
.pagination-dots button[aria-pressed=true]::after{width:22px;border-radius:5px;background:#54866c}
@media(max-width:800px){
  .result-toolbar{gap:15px}.control-group{flex-wrap:wrap;gap:8px}
  .carousel-heading{margin-left:14px;margin-right:14px}.carousel-heading h4{font-size:18px}
  .video-carousel{--carousel-gutter:22px;--carousel-gap:0px}.pagination{gap:10px}
  .video-label{font-size:11px}.video-label span{font-size:9px}
}
@media(max-width:520px){
  .segmented{padding:5px;gap:3px}.segmented button{padding:10px 13px;font-size:13px}
  .segmented button span{font-size:10px;display:block;margin:3px 0 0}
  .segmented.compact button{padding:8px 11px;font-size:11px}
  .results-subheading h3{font-size:24px}.results-subheading{margin-top:38px;gap:10px}
  .control-label{font-size:11px}.result-toolbar .control-group{width:100%}
  
  .chart-heading .segmented.compact button{padding:7px 10px}
  .carousel-heading{margin:0 4px 12px;align-items:flex-start;gap:12px}
  .carousel-heading h4{font-size:16px;max-width:185px}.carousel-heading .small-note{font-size:10px}
  .pagination{gap:6px}.pagination button{width:31px;height:31px;font-size:19px}.pagination>span{min-width:51px;font-size:11px;letter-spacing:0}
  .video-comparison{box-shadow:none}.video-carousel{--carousel-gutter:14px;--carousel-gap:0px}
  .video-item{grid-template-columns:67px 1fr}.video-label{font-size:11px}.video-label span{font-size:9px}
  .video-prompt p{font-size:12px}.video-carousel{padding-top:0}
}

/* Two compact metric panels compare methods across far-memory budgets. */
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:20px}
.metric-panel{margin:0;min-width:0;position:relative}
.metric-heading{display:flex;align-items:center;justify-content:space-between;padding:0 10px 8px 4px}
.metric-heading h4{font-size:17px;font-weight:600;margin:0;color:#48535e}
.metric-heading span{font-size:13px;color:#839088}
.metric-panel svg{display:block;width:100%;height:auto}
.metric-panel+ .metric-panel::before{content:"";position:absolute;left:-16px;top:0;bottom:0;border-left:1px solid #eef1f3}
.metric-readout{margin:8px 0 20px;text-align:center;font-size:12px;color:#7e8b97;min-height:18px;font-variant-numeric:tabular-nums}
.table-heading{display:flex;align-items:center;justify-content:space-between;padding-top:17px;border-top:1px solid #edf0f2;margin-bottom:9px}
.table-heading>span{font-size:13px;font-weight:550;color:#65717d}
.table-heading .segmented.compact button{padding:7px 13px;font-size:12px}
@media(max-width:600px){
  .metric-grid{grid-template-columns:1fr;gap:19px;margin-top:18px}
  .metric-panel+ .metric-panel{border-top:1px solid #eef1f3;padding-top:16px}
  .metric-panel+ .metric-panel::before{display:none}
  .metric-heading h4{font-size:14px}.metric-heading span{font-size:10px}
  .metric-readout{font-size:10px;line-height:1.5;margin-top:10px;margin-bottom:12px;min-height:30px}
  .chart-heading .chart-legend{gap:10px;font-size:10px}
}

/* Viewer-style columns keep each rollout together with its evaluation pair. */
.video-comparison>.scrub-controls{margin:0 0 22px;padding:11px 12px;background:#f5f7f6;border:1px solid #e8edea;border-radius:9px}
.video-comparison .videos .video-item{display:block;min-width:0}
.video-comparison .videos .video-label{font-size:16px;margin-bottom:10px}
.video-comparison .videos .video-label b{font-weight:600}
.video-comparison .videos .video-item.ours .video-label b{color:#367c59}
.video-comparison .videos .video-label span{font-size:13px}
.video-comparison .videos .pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:15px}
.pair-button{display:block;width:100%;padding:0;text-align:left;min-width:0}
.frame-label{display:flex;align-items:center;justify-content:space-between;gap:4px;margin-bottom:6px;font-size:10px;color:#6f7d75;white-space:nowrap}
.frame-time{font-variant-numeric:tabular-nums;color:#87918b}
.pair-button img{display:block;width:100%;height:auto;object-fit:contain;border-radius:5px;outline:1px solid #00000008;background:#f5f7f6}
.pair-button:hover img{outline:2px solid #84ab96}
#pair-dialog{width:min(1080px,94vw);max-width:94vw;padding:28px 24px 24px}
#close-pair{position:absolute;top:3px;right:9px;font-size:26px;line-height:1;padding:4px;color:#7b8880}
#pair-dialog-title{font-size:17px;margin:0 22px 20px 0;line-height:1.5}
.enlarged-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.enlarged-pair figure{margin:0;min-width:0}
.enlarged-pair figcaption{font-size:var(--copy-size);margin:0 0 9px;line-height:var(--copy-line-height)}
.enlarged-pair img{display:block;width:100%;height:auto;border-radius:5px}
@media(max-width:800px){
  .video-comparison .videos .video-label{font-size:12px}
  .video-comparison .videos .video-label span{font-size:9px}
  .frame-label{font-size:9px;gap:2px}
  .video-comparison .videos .pair-grid{gap:6px}
}
@media(max-width:680px){
  .video-comparison .videos{grid-template-columns:1fr;gap:25px}
  .video-comparison .videos .video-label{flex-direction:row;font-size:16px;align-items:center;justify-content:space-between;gap:8px}
  .video-comparison .videos .video-label span{font-size:12px}
  .video-comparison .videos .video-item video,.video-comparison .videos .preview-video{max-height:none}
  .video-comparison .videos .pair-grid{gap:10px;margin-top:12px}
  .frame-label{font-size:11px;gap:5px}
  .video-comparison>.scrub-controls{padding:10px 9px;gap:8px;margin-bottom:18px}
  .video-comparison>.scrub-controls>input{min-width:60px}
  #pair-dialog{padding:24px 15px 18px}
  #pair-dialog-title{font-size:15px;margin-bottom:14px}
  .enlarged-pair{grid-template-columns:1fr;gap:16px}
}

/* Make the shared method legend readable at the same scale as plot headings. */
.chart-card .chart-legend{gap:22px;font-size:16px;font-weight:500;color:#65717c}
.chart-card .chart-legend span::before{width:22px;height:3px;margin-right:9px}
.chart-card .chart-legend .base::before{height:0;background:none;border-top:3px dashed #9fa9b6}
#budget-coverage-note{margin:8px auto 0}
@media(max-width:800px){
  .chart-card .chart-heading{flex-wrap:wrap;gap:14px}
  .chart-card .chart-legend{font-size:14px;gap:19px}
}
@media(max-width:520px){
  .chart-card .chart-legend{font-size:13px;gap:17px}
  .chart-card .chart-legend span::before{width:17px;margin-right:6px}
}

/* Keep benchmark thumbnails legible on narrow screens. */
@media(max-width:600px){.contact-sheet{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}


/* Size the full page by its rendered proportions, including readable controls. */
:root{--ui-size:20px;--meta-size:16px}
.authors{font-size:24px;line-height:1.5}
.affiliations{font-size:20px;margin-top:8px}
.author-notes{font-size:16px}
.resource-links{margin-top:20px}
.pill{font-size:20px;height:50px;padding:0 24px}
.figure-card,.chart-card,.video-comparison{padding:28px 24px 24px}
.hero-figure{padding-top:20px}
.quiet-label,.small-note{font-size:var(--meta-size);color:#707b86}
.play-button,.camera-playback .play-button,.animation-controls .play-button{font-size:var(--ui-size);min-height:44px;padding:8px 14px}
.step-buttons button{font-size:var(--ui-size)}
.segmented button,.segmented.compact button{font-size:var(--ui-size)}
.segmented button span{font-size:var(--meta-size);opacity:1}
.control-label,.camera-settings{font-size:18px;color:#687583}
.checkbox-label{gap:8px}
.checkbox-label input{width:20px;height:20px;flex:none}
.camera-playback .camera-timeline{font-size:var(--meta-size)}
.benchmark-title{font-size:22px}
.video-comparison .videos .video-label{font-size:22px}
.video-comparison .videos .video-label span{font-size:var(--meta-size);color:#73808c}
.frame-label{font-size:var(--meta-size);gap:4px;flex-wrap:wrap}
.frame-time{color:#748179}
.video-prompt summary,.preview-prompt-label,.video-prompt p{font-size:18px}
.scrub-controls .subtle-button,.scrub-controls>.small-note{font-size:var(--meta-size)}
.playback-speed{font-size:var(--meta-size);font-weight:600;color:#467d65;white-space:nowrap}
.carousel-heading .small-note,.pagination>span{font-size:var(--meta-size)}
.metric-readout,.metric-heading span,.metric-axis-label{font-size:var(--meta-size)}
.chart-heading h3{font-size:24px}
@media(max-width:900px){
  .video-comparison .videos{grid-template-columns:1fr;gap:25px}
  .video-comparison .videos .video-label{flex-direction:row;align-items:center;justify-content:space-between}
  .video-comparison .videos .video-item video,.video-comparison .videos .preview-video{max-height:none}
  .frame-label{flex-wrap:nowrap}
}
@media(max-width:800px){
  :root{--ui-size:18px;--meta-size:14px}
  .authors{font-size:18px}.affiliations{font-size:14px}
  .author-notes{font-size:13px}.pill{font-size:16px;height:42px;padding:0 16px}
  .figure-card,.chart-card,.video-comparison{padding:18px 16px}
  .benchmark-title{font-size:20px}
}
@media(max-width:520px){
  :root{--ui-size:16px}
  .authors{font-size:16px}.affiliations{font-size:13px}
  .author-notes{font-size:12px}.pill{padding:0 12px}
  .figure-card,.chart-card,.video-comparison{padding:14px 10px}
  .benchmark-title{font-size:18px}
  .control-label,.camera-settings{font-size:16px}
  .video-comparison .videos .video-label{font-size:18px}
  .video-prompt summary,.preview-prompt-label,.video-prompt p{font-size:16px}
  .segmented button{padding:10px 12px}
  .segmented.compact button{padding:8px 10px}
  .result-toolbar>.small-note{font-size:var(--meta-size)}
  .carousel-heading{flex-wrap:wrap;gap:12px}
  .carousel-heading h4{font-size:20px;max-width:none}
  .pagination button{width:38px;height:38px}
  .video-comparison>.scrub-controls{display:grid;grid-template-columns:auto auto 1fr}
  .scrub-controls>.small-note{grid-column:3;grid-row:1}
  .scrub-controls>input,.scrub-controls>.preview-progress{grid-column:1/-1;grid-row:2;width:100%;margin:8px 0}
  .scrub-controls>.subtle-button{grid-column:1/-1;grid-row:3;justify-self:end}
  .figure-topline .input-prompt{font-size:16px}
}

/* Keep the requested action visible before visitors open the full prompt. */
.qualitative-section{padding-top:36px}
.qualitative-section>.results-subheading{margin-top:0}
.video-comparison>.video-prompt{margin:0 0 20px;border-top:0;border-bottom:1px solid #e7ece9;padding-bottom:18px;text-align:left}
.video-prompt summary{gap:22px;padding-top:0;align-items:center;letter-spacing:0;font-weight:400}
.video-prompt summary::after{content:none}
.prompt-excerpt{display:block;flex:1;min-width:0;font-size:20px;line-height:1.5;color:#424952}
.prompt-label{display:block;margin-bottom:3px;font-size:16px;font-weight:600;color:#738078}
.prompt-toggle{flex:none;font-size:18px;font-weight:600;color:#47816a}
.prompt-toggle::after{content:' +';margin-left:6px}
.video-prompt[open] .prompt-toggle::after{content:' −'}
.video-prompt[open] summary::after{content:none}
@media(max-width:800px){.prompt-excerpt{font-size:18px}.prompt-toggle{font-size:16px}}
@media(max-width:520px){.video-prompt summary{display:block}.prompt-label{font-size:14px}.prompt-toggle{display:block;margin-top:8px}}

/* Draw playback controls without relying on platform-specific symbol fonts. */
.playback-icon{display:block;flex:none;width:18px;height:18px;fill:currentColor;stroke:none;pointer-events:none}
.animation-controls .playback-icon{width:20px;height:20px}

/* A single-word, connected stage strip shared by all four figure animations. */
.animation-controls{
  display:grid;grid-template-columns:36px minmax(0,1fr) 36px;gap:12px;
  border-top:0;border-bottom:1px solid #e7ece9;margin:0 0 18px;padding:0 0 16px;
}
.animation-controls .play-button,.animation-controls .replay-button{
  display:grid;place-items:center;width:36px;height:40px;min-height:40px;
  padding:0;margin:0;border:0;border-radius:6px;background:transparent;
  color:#467d65;font-size:20px;line-height:1;
}
.animation-controls .play-button span{display:none}
.animation-controls .play-button:hover,.animation-controls .replay-button:hover{background:#edf4f0;color:#235a43}
.animation-controls .step-buttons{
  position:relative;display:flex;flex-wrap:nowrap;align-items:stretch;justify-content:flex-start;
  gap:0;order:0;min-width:0;overflow-x:auto;scrollbar-width:none;overscroll-behavior-x:contain;
}
.animation-controls .step-buttons::-webkit-scrollbar{display:none}
.animation-controls .step-buttons button{
  --chevron:12px;--step-border:#bbc9c0;--step-surface:#fbfcfb;--step-ink:#626f67;
  position:relative;isolation:isolate;flex:1 0 120px;min-width:0;min-height:42px;
  margin:0 0 0 calc(-1 * var(--chevron));padding:8px 18px 8px 24px;
  border:0;border-radius:0;background:transparent;color:var(--step-ink);
  font-family:var(--font-body);font-size:16px;font-weight:750;line-height:1.2;
  letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;transition:none;
}
.animation-controls .step-buttons button:first-child{margin-left:0;padding-left:12px}
.animation-controls .step-buttons button::before,.animation-controls .step-buttons button::after{
  content:'';position:absolute;z-index:-1;inset:0;
  clip-path:polygon(0 0,calc(100% - var(--chevron)) 0,100% 50%,calc(100% - var(--chevron)) 100%,0 100%,var(--chevron) 50%);
  background:var(--step-border);transition:background .2s ease;
}
.animation-controls .step-buttons button::after{inset:1px 2px;background:var(--step-surface)}
.animation-controls .step-buttons button:first-child::before,.animation-controls .step-buttons button:first-child::after{
  clip-path:polygon(0 0,calc(100% - var(--chevron)) 0,100% 50%,calc(100% - var(--chevron)) 100%,0 100%);
}
.animation-controls .step-buttons button[data-state=complete]{--step-surface:#47866c;--step-ink:#fff;--step-border:#39755b}
.animation-controls .step-buttons button[data-state=current]{--step-surface:#205e4c;--step-ink:#fff;--step-border:#205e4c}
.animation-controls .step-buttons button:hover{--step-border:#467d65}
.animation-controls .step-buttons button[data-state=overview]:hover,.animation-controls .step-buttons button[data-state=pending]:hover{--step-surface:#edf4f0;--step-ink:#235a43}
.animation-controls button:focus-visible{outline:2px solid #c19038;outline-offset:-3px}
@media(max-width:800px){
 .animation-controls{gap:8px}
 .animation-controls .step-buttons button{flex-basis:96px;font-size:13px;letter-spacing:.04em}
}
@media(max-width:520px){
 .animation-controls{grid-template-columns:1fr 36px;gap:4px;margin-bottom:14px;padding-bottom:8px}
 .animation-controls .step-buttons{grid-column:1/-1;grid-row:1}
 .animation-controls .play-button{grid-row:2;justify-self:start}
 .animation-controls .replay-button{grid-row:2;justify-self:end}
 .animation-controls .step-buttons button{flex-basis:92px;min-height:40px;padding-right:16px;padding-left:20px}
}
@media(prefers-reduced-motion:reduce){.animation-controls .step-buttons button::before,.animation-controls .step-buttons button::after{transition:none}}

.animation-controls [title="DiT"] .step-label,.animation-controls [title="Frozen DiT"] .step-label{text-transform:none}