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@media(min-width:1600px){.content-width{width:min(1340px,calc(100% - 120px))}.hero{padding-top:72px}.hero h1{font-size:132px}.hero-media{height:390px}.hero-description{font-size:20px}}
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20px);max-height:94svh;border-radius:5px}.dialog-top{padding:13px 16px;gap:12px}.dialog-top h2{font-size:20px}.dialog-close{width:36px;height:36px;min-width:36px}.figure-viewer-tools{padding:12px 15px;gap:15px;font-size:15px}.figure-viewer-tools button{font-size:15px}.figure-viewer-tools>span{width:100%;font-size:14px;margin:0}.figure-viewport{padding:10px;max-height:57svh}.dialog-description{font-size:16px;padding:17px}.dialog-placeholder{min-height:270px;padding:26px}.dialog-placeholder strong{font-size:24px}.dialog-placeholder p{font-size:17px}.toast{font-size:15px}}
@media(max-width:370px){.hero h1{font-size:66px}.hero-subtitle{font-size:23px}.hero-description{font-size:16px}.paper-links button{min-width:83px;font-size:15px;gap:14px;padding-inline:10px}.media-heading{font-size:13px}.media-status{font-size:11px}.hero-media-footer{font-size:12px}.section h2{font-size:33px}.tab-list{gap:20px}.tab-list button{font-size:15px}.resource-card{font-size:18px;grid-template-columns:1fr 88px 18px}.resource-card [data-state]{font-size:13px}.method-details summary{font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
/* Keep the full InternW0-Δ wordmark within narrow viewports. */
@media(max-width:680px){.hero h1{font-size:clamp(40px,13.5vw,84px);white-space:nowrap}}

/* Original supplied emblem only; retain the light edition's typography and colors. */
.demo-media.has-media{aspect-ratio:16/9;background:#142031}
.demo-media.has-media img{object-fit:contain}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}
.brand-symbol{display:block;position:relative;flex:none;width:40px;aspect-ratio:840/630;overflow:hidden;mix-blend-mode:multiply}
.brand-symbol img{position:absolute;display:block;width:149.285714%;max-width:none;height:auto;left:-26.190476%;top:-38.095238%}
.hero-brand{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:17px}
.hero-brand .brand-symbol{width:clamp(60px,8vw,110px)}
/* Negative tracking can put the final Delta's ink beyond its text box.
   Keep the gradient paint area wider than the glyphs on both sides. */
.hero-brand h1{margin-top:0;padding-inline:.08em .14em;overflow:visible}
@media(max-width:1080px) and (min-width:761px){.header-inner{gap:20px}.desktop-nav{gap:20px}}
@media(max-width:760px){.hero-brand{flex-direction:column;gap:10px;margin-top:20px}.hero-brand .brand-symbol{width:68px}.hero-brand h1{margin-top:0}.header-inner{gap:15px}}
@media(max-width:370px){.header-inner .brand{gap:6px;font-size:21px}.header-inner .brand-symbol{width:30px}.header-inner{gap:10px}.nav-paper{gap:6px}}

/* One row at every width; native horizontal scrolling keeps touch and trackpads natural. */
.demo-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-width:0}
.demo-toolbar .demo-description{flex:1;min-width:0}
.demo-scroll-controls{display:flex;flex:none;gap:10px}
.demo-scroll-controls button{display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #b9c8e0;border-radius:50%;color:#405d89;background:#ffffffb3;font-size:23px;line-height:1;transition:background .2s,border-color .2s}
.demo-scroll-controls button:hover:not(:disabled){background:#e5edfa;border-color:#849fc9}
.demo-scroll-controls button:disabled{opacity:.35;cursor:default}
.demo-grid{display:flex;flex-wrap:nowrap;position:relative;gap:23px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-padding-inline:8px;padding:8px 8px 18px;margin-inline:-8px;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:#a5b8d5 transparent}
.demo-grid>.demo-card{flex:0 0 calc((100% - 23px)/2);scroll-snap-align:start}
.demo-grid::-webkit-scrollbar{height:6px}
.demo-grid::-webkit-scrollbar-thumb{background:#a5b8d5;border-radius:8px}
@media(max-width:1080px){.demo-grid{gap:18px}.demo-grid>.demo-card{flex-basis:calc((100% - 18px)/2)}}
@media(max-width:760px){.demo-toolbar{gap:12px;align-items:flex-start}.demo-scroll-controls{gap:8px;margin-top:20px}.demo-scroll-controls button{width:40px;height:40px;font-size:21px}.demo-grid{gap:16px}.demo-grid>.demo-card{flex-basis:88%}}

/* Research additions follow the original light edition's blue-gray typography. */
.desktop-nav{gap:24px}
.data-section{border-bottom:1px solid var(--line);background:var(--section-blue)}
.filter-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.filter-empty{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center;border:1px dashed #bfcee3;border-radius:8px;overflow:hidden;background:#fafcff}
.filter-empty-frame{aspect-ratio:16/8;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:#edf2fa;color:#8093b0;font-size:16px}
.filter-empty-frame svg{width:50px;height:50px}
.filter-empty-copy{padding:32px 40px}
.pending-label{font-size:14px;letter-spacing:.04em;color:#697f9e}
.filter-empty h3{font-size:23px;font-weight:500;line-height:1.4;margin:10px 0}
.filter-empty-copy p{font-size:17px;line-height:1.75;color:#708099}
.filter-card{min-width:0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.filter-card:only-child{grid-column:1/-1}
.filter-media{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:16/9;background:#e9eff8;width:100%;overflow:hidden}
.filter-media img{position:absolute;width:100%;height:100%;object-fit:contain}
.filter-watch{position:relative;padding:6px 14px;border-radius:4px;background:#ffffffed;color:#405d89;font-size:16px}
.data-intro{font-size:18px;line-height:1.8;color:#6b7c94;max-width:900px;margin:0 0 30px}
.filter-tabs{flex-wrap:wrap;gap:12px 26px}
.filter-tabs button{white-space:normal;text-align:left;line-height:1.5;font-size:17px}
.filter-description{font-size:18px;line-height:1.8;color:#6b7c94;margin:24px 0}
.method-context{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.method-context dt{font-size:21px;font-weight:500;color:#344e76;line-height:1.5;margin-bottom:12px}
.method-context dd{font-size:18px;color:#6b7c94;line-height:1.8}
@media(max-width:760px){.method-context{grid-template-columns:1fr;gap:24px}.filter-tabs{gap:10px 18px}.filter-tabs button{font-size:16px;padding-block:10px}.data-intro,.filter-description,.method-context dd{font-size:17px}.filter-examples{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:18px;padding-bottom:12px}.filter-card{flex:0 0 88%;scroll-snap-align:start}}
.results-section{background:var(--section-blue);border-top:1px solid var(--line)}
.benchmark-scroll-controls{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin:-20px 0 20px;color:var(--blue);font-size:15px;line-height:1.5}
.benchmark-scroll-controls>span{margin-right:6px}
.benchmark-scroll-controls button{display:grid;place-items:center;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:50%;color:var(--blue);background:#ffffffd9;font-size:23px;line-height:1;transition:background .2s,border-color .2s}
.benchmark-scroll-controls button:hover:not(:disabled){background:var(--light);border-color:var(--blue)}
.benchmark-scroll-controls button:disabled{opacity:.35;cursor:default}
.benchmark-grid{display:flex;flex-wrap:nowrap;gap:24px;align-items:stretch;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;padding-bottom:22px;scrollbar-width:thin;scrollbar-color:#9bb0d2 #eaf0f8}
.benchmark-grid::-webkit-scrollbar{height:9px}
.benchmark-grid::-webkit-scrollbar-track{background:#eaf0f8;border-radius:8px}
.benchmark-grid::-webkit-scrollbar-thumb{background:#9bb0d2;border-radius:8px}
.benchmark-grid::-webkit-scrollbar-thumb:hover{background:#6b8bcb}
.benchmark-card{flex:0 0 calc((100% - 48px)/3);min-width:0;scroll-snap-align:start;background:#ffffffd9;border:1px solid #dce5f2;border-radius:8px;padding:28px 26px 24px}
.benchmark-card h3{font-size:25px;font-weight:500;letter-spacing:-.025em;line-height:1.35}
.benchmark-setting{font-size:15px;color:#71819a;line-height:1.5;margin-top:7px;min-height:23px}
.chart-metric{font-size:14px;color:#607491;margin-top:28px;line-height:1.5}
.comparison-chart{margin-top:16px}
.comparison-rows{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.comparison-row{display:grid;grid-template-rows:minmax(42px,auto) 18px;gap:9px;min-width:0}
.comparison-label{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;min-width:0;line-height:1.4}
.comparison-method{font-size:14px;color:#5e7393;min-width:0;overflow-wrap:anywhere}
.comparison-value{font-size:20px;line-height:1.3;color:#526989;font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0}
.comparison-track{height:18px;background:#edf1f7;border-radius:3px;overflow:hidden}
.comparison-bar{height:100%;width:var(--result);background:#b4c5df;border-radius:3px}
.comparison-row.is-ours .comparison-bar{background:linear-gradient(90deg,#6b8bcb,#3e5f9e)}
.comparison-row.is-ours .comparison-method,.comparison-row.is-ours .comparison-value{font-weight:600;color:#365684}
.comparison-axis{display:flex;justify-content:space-between;border-top:1px solid #c9d5e7;margin-top:22px;padding-top:7px;font-size:13px;line-height:1.5;color:#8493aa}
.results-table-wrap{overflow-x:auto}
.results-table{border-collapse:collapse;font-size:15px;line-height:1.6;width:100%}
.results-table caption{text-align:left;padding:14px 0}
.results-table th,.results-table td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}
.results-note{font-size:15px;line-height:1.75;color:#74849c;max-width:1000px;margin-top:25px}
@media(min-width:761px) and (max-width:1100px){.desktop-nav{display:none}.nav-paper{margin-left:auto}.menu-toggle{display:flex;width:30px;height:36px;padding:4px;flex-direction:column;justify-content:center;gap:6px}.menu-toggle>span{display:block;width:22px;height:1px;background:#566b89}.menu-toggle[aria-expanded="true"]>span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded="true"]>span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.mobile-nav{display:flex;position:absolute;left:0;right:0;top:100%;padding:10px 32px 20px;background:#fcfdff;border-bottom:1px solid var(--line);box-shadow:0 15px 25px #1c355412;flex-direction:column}.mobile-nav a{font-size:18px;padding:10px 0;border-bottom:1px solid #edf1f7}}
@media(max-width:1100px) and (min-width:761px){.benchmark-card{flex-basis:calc((100% - 24px)/2);padding:28px}.comparison-method{font-size:16px}.comparison-row{grid-template-rows:minmax(42px,auto) 18px}}
@media(max-width:760px){.filter-empty{grid-template-columns:1fr}.filter-empty-copy{padding:24px}.filter-examples{grid-template-columns:1fr}.benchmark-grid{gap:16px}.benchmark-card{flex-basis:92%;padding:26px}.results-note{font-size:14px}}
@media(max-width:370px){.benchmark-card{padding:22px 18px}.comparison-value{font-size:18px}}

/* Bilingual copy uses the same research layout, with natural CJK spacing. */
/* Simple zero-based animated bars, with no extra controls or gain callouts. */
.benchmark-heading{display:flex;align-items:center;gap:13px;min-height:65px}
.benchmark-heading>div{min-width:0}
.benchmark-mark{width:42px;height:42px;object-fit:contain;flex:none}
.benchmark-mark--wide{width:78px}
@media(max-width:370px){.benchmark-mark--wide{width:64px}}
.chart-metric{margin-top:20px}
.comparison-method{display:flex;align-items:center;gap:8px;font-size:14px;line-height:1.45}
.comparison-method>span{min-width:0}
.method-mark{width:24px;height:24px;object-fit:contain;flex:none}
.comparison-row.is-ours .method-mark{width:28px;height:28px}
.comparison-bar{transform-origin:left center;transform:scaleX(1)}
.chart-reveal .comparison-bar{transition:transform 850ms cubic-bezier(.2,.75,.2,1);transition-delay:var(--bar-delay,0ms)}
.chart-pending .comparison-bar{transform:scaleX(0)}
@media(prefers-reduced-motion:reduce){.chart-pending .comparison-bar{transform:none}.chart-reveal .comparison-bar{transition:none}}
@media(max-width:760px){.comparison-method{font-size:15px}}
.header-inner{gap:22px}
.desktop-nav{gap:20px}
.nav-paper{padding-left:20px}
.language-toggle{flex:none;min-width:46px;min-height:42px;padding:5px 8px;border:1px solid #cbd7e9;border-radius:5px;font-size:14px;line-height:1.4;color:#405d89;background:#ffffffb3}
.language-toggle:hover{background:#eaf0fa}
html[lang="zh-CN"]{--sans:Arial,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
html[lang="zh-CN"] .section h2{letter-spacing:0;line-height:1.35}
html[lang="zh-CN"] .hero-subtitle{letter-spacing:0;line-height:1.5}
html[lang="zh-CN"] .hero-description{line-height:1.9}
html[lang="zh-CN"] .project-category,html[lang="zh-CN"] .section-kicker{letter-spacing:.04em}
html[lang="zh-CN"] .research-points dt,html[lang="zh-CN"] .demo-card h3{letter-spacing:0}
@media(max-width:760px){html[lang="zh-CN"] .figure-image-button::after{content:"点击放大"}.header-inner{gap:12px}}
@media(max-width:520px){.header-inner>.nav-paper{display:none}.language-toggle{margin-left:auto}.header-inner{gap:10px}}

/* Frosted mint surfaces for the original light edition only.
   Preserve layout, typography and supplied artwork. Use near-white surfaces
   with restrained gray-green controls and charts; earlier themes stay intact. */
html:not([data-theme]){
  --blue:#4b7568;
  --section-blue:radial-gradient(ellipse at 12% 0%,#e3ece642,transparent 58%),radial-gradient(ellipse at 90% 100%,#eaf2ed38,transparent 62%),linear-gradient(135deg,#f7faf8,#fcfdfc);
}
html:not([data-theme]) .site-header{background:#fcfdfcde}
html:not([data-theme]) .hero{background:radial-gradient(ellipse at 8% 10%,#e4ede633,transparent 58%),radial-gradient(ellipse at 94% 30%,#e8f0eb33,transparent 55%),linear-gradient(135deg,#f8fbf9,#fefefe 52%,#f6faf7)}
html:not([data-theme]) .light-one{background:radial-gradient(ellipse,#dce9e024,transparent 70%)}
html:not([data-theme]) .light-two{background:radial-gradient(ellipse,#e4eee724,transparent 68%)}
html:not([data-theme]) .ambient-grid{background-image:linear-gradient(#99afa006 1px,transparent 1px),linear-gradient(90deg,#99afa006 1px,transparent 1px)}
html:not([data-theme]) :is(.paper-links button,.language-toggle,.demo-scroll-controls button,.figure-viewer-tools button){color:#4b7568;border-color:#cbdad2;background:#ffffffd9}
html:not([data-theme]) :is(.paper-links button,.language-toggle,.demo-scroll-controls button,.figure-viewer-tools button):hover{background:#edf3ef;border-color:#a6beb2}
html:not([data-theme]) .paper-links button:first-child{background:#4b7568;border-color:#4b7568;color:#fff}
html:not([data-theme]) .paper-links button:first-child:hover{background:#3d6559;border-color:#3d6559}
html:not([data-theme]) .tab-list button[aria-selected="true"]{color:#4b7568;border-bottom-color:#8ba89a}
html:not([data-theme]) :is(.demo-grid,.benchmark-grid){scrollbar-color:#8ba89a #edf3ef}
html:not([data-theme]) :is(.demo-grid,.benchmark-grid)::-webkit-scrollbar-track{background:#edf3ef;border-radius:8px}
html:not([data-theme]) :is(.demo-grid,.benchmark-grid)::-webkit-scrollbar-thumb{background:#8ba89a;border-radius:8px}
html:not([data-theme]) :is(.demo-grid,.benchmark-grid)::-webkit-scrollbar-thumb:hover{background:#4b7568}
html:not([data-theme]) :is(.nav-paper,.hero-media-footer a,.filter-watch){color:#4b7568}
html:not([data-theme]) :is(button,a,[tabindex],summary):focus-visible{outline-color:#91b3a2}
html:not([data-theme]) .comparison-track{background:#eef3ef}
html:not([data-theme]) .comparison-bar{background:#b7cac0}
html:not([data-theme]) .comparison-row.is-ours .comparison-bar{background:linear-gradient(90deg,#87a899,#4b7568)}
html:not([data-theme]) .comparison-row.is-ours :is(.comparison-method,.comparison-value){color:#41695c}
html:not([data-theme]) .comparison-axis{border-color:#d3dfd7}
html:not([data-theme]) .benchmark-card{border-color:#dce6df}
html:not([data-theme]) .benchmark-scroll-controls button{border-color:#cbdad2}
html:not([data-theme]) .benchmark-scroll-controls button:hover:not(:disabled){background:#edf3ef;border-color:#a6beb2}

/* A slightly shallower stage; the film stays uncropped at its native 16:9. */
.hero-media.has-video{aspect-ratio:19/10;height:auto;min-height:0;gap:0;background:#132039}
.hero-media.has-video img{object-fit:contain;opacity:1}
.hero-media.has-video .hero-media-title,.hero-media.has-video .hero-media-note{display:none}
.hero-media.has-video .hero-play{background:#132039cc;border-color:#ffffffb3;color:#fff;box-shadow:0 2px 18px #0004;margin:0}
.hero-media.has-video .hero-play svg{fill:#fff}
/* Compact institutional marks directly before Back to top; no separate band. */
.inline-media{position:relative;overflow:hidden;padding:0;background:#132039}
.inline-media .inline-video{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;background:#132039}
.inline-media .inline-video:focus-visible{outline-offset:-4px}
.inline-video-retry{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);padding:10px 18px;border:1px solid #fff8;border-radius:6px;background:#223e35ee;color:#fff;z-index:1}
footer>.footer-row{flex-wrap:wrap}
.footer-actions{display:flex;align-items:center;gap:28px;margin-left:auto;flex-shrink:0}
.footer-actions .back-top{margin-left:0;white-space:nowrap;flex-shrink:0}
.footer-institutions{display:flex;align-items:center;gap:24px;flex-shrink:0}
.footer-institutions img{display:block;flex:none;height:auto;object-fit:contain;opacity:1;filter:none}
.footer-institutions .institution-shai{width:112px}
.footer-institutions .institution-internrobotics{width:160px}
@media(max-width:760px){.footer-actions{width:100%;justify-content:space-between;gap:20px}}
@media(max-width:560px){.footer-actions{gap:16px}.footer-institutions{gap:18px}.footer-institutions .institution-shai{width:80px}.footer-institutions .institution-internrobotics{width:112px}}
@media(max-width:360px){.footer-actions,.footer-institutions{gap:10px}.footer-institutions .institution-shai{width:66px}.footer-institutions .institution-internrobotics{width:90px}}