@font-face{font-family:"Inter";src:url("../fonts/inter-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Source Serif";src:url("../fonts/sourceserif-var.woff2") format("woff2");font-weight:200 900;font-display:swap}
@font-face{font-family:"Source Serif";src:url("../fonts/sourceserif-var-italic.woff2") format("woff2");font-weight:200 900;font-style:italic;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/jetbrainsmono-var.woff2") format("woff2");font-weight:100 800;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/spacegrotesk-var.woff2") format("woff2");font-weight:300 700;font-display:swap}
@font-face{font-family:"Manrope";src:url("../fonts/manrope-var.woff2") format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Fraunces";src:url("../fonts/fraunces-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Outfit";src:url("../fonts/outfit-var.woff2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Outfit";src:url("../fonts/outfit-var-latinext.woff2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{--bg:#fff;--fg:#1c1c1e;--muted:#5f6368;--line:#e6e6ea;--card:#f7f7f9;--accent:#2f6fde;--radius:12px;--font:"Inter",system-ui,sans-serif;--head:"Inter",system-ui,sans-serif;--mono:"JetBrains Mono",monospace;--max:1120px;--vidbg:#000}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:17px;line-height:1.6}
h1,h2,h3,h4{font-family:var(--head);letter-spacing:-.01em;line-height:1.15}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{margin:56px 0}h2{font-size:1.9em;margin:0 0 14px}h3{font-size:1.35em;margin:0 0 4px}h4{font-size:1.05em;margin:0 0 4px}
.lead{max-width:960px;margin:0 0 14px;color:var(--muted)}
.taskhead{margin:0 0 18px}
.tasknum{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:.74em;font-weight:600;letter-spacing:.14em;text-transform:uppercase;line-height:1;color:var(--tc,var(--accent))}
.tasknum::before{content:"";flex:none;width:22px;height:2px;border-radius:2px;background:currentColor}
.dark .tasknum{color:color-mix(in srgb,var(--tc,var(--accent)) 70%,#fff)}
.taskhead h3{margin:0 0 8px;line-height:1.2;text-wrap:balance}
.instr{margin:0;font-style:normal;color:var(--muted);font-size:.95em;line-height:1.55;text-wrap:pretty}
.pair{display:flex;gap:12px;align-items:center}
.pair .v{margin:0;flex:1 1 0;min-width:0;background:var(--vidbg);border-radius:calc(var(--radius) - 4px);overflow:hidden;position:relative;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.pair .v video{width:100%;height:100%;display:block;object-fit:contain;background:var(--vidbg)}
.pair .v figcaption{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.6);color:#fff;padding:2px 8px;border-radius:5px;font-size:.76em;font-family:var(--font)}
.pair .third{flex:16 1 0}.pair .head{flex:9 1 0}
.pair.stack{flex-direction:column;gap:8px;align-items:stretch}.pair.stack .v{flex:none;width:100%}
.grid3 .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gridbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 10px;color:var(--muted);font-size:.92em}
.speed button{background:var(--card);color:var(--fg);border:1px solid var(--line);padding:4px 10px;cursor:pointer;font:inherit;font-size:.9em}
.speed button:first-child{border-radius:6px 0 0 6px}.speed button.pp{border-radius:0 6px 6px 0;margin-left:6px;border-radius:6px}.speed button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.fact{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.fact .big{font-family:var(--head);font-size:1.7em;font-weight:700;line-height:1.1;margin-bottom:6px}.fact .small{color:var(--muted);font-size:.92em;line-height:1.45}
.method .mitems{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 28px;margin-bottom:26px}.mitem p{margin:0;color:var(--muted);font-size:.97em}
.fig{margin:0;text-align:center}.fig img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
.fig figcaption{max-width:920px;margin:12px auto 0;text-align:left;color:var(--muted);font-size:.92em}
.mgrid{display:grid;grid-template-columns:minmax(0,380px) 1fr;gap:16px 36px;align-items:start;margin-bottom:30px}.mgrid .fig1{text-align:left}.mgrid .fig1 img{width:100%;max-width:380px}.mgrid .fig1 figcaption{font-size:.82em;margin-top:8px;line-height:1.45}
.mgrid .mitems{grid-template-columns:1fr;gap:14px;margin-bottom:0}
.btn.placeholder{background:transparent;color:inherit;border:1px dashed currentColor;opacity:.6;cursor:default}.btn .ico{vertical-align:-3px;margin-right:2px}.links{margin-top:18px}
.abstract{max-width:960px;text-align:justify}
.more{max-width:960px;margin-top:6px;color:var(--muted)}.more summary{cursor:pointer;font-weight:600;color:var(--fg);font-size:.95em}.more p{text-align:justify;font-size:.93em;margin:8px 0 0}
.poster{margin:0}.poster img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.poster figcaption{color:var(--muted);font-size:.92em;margin:12px 0 0;max-width:1000px}
.kf{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:10px 0 14px}.kf img{width:100%;height:auto;border-radius:6px;display:block;background:#000}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px 14px}
.btns{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-block;padding:10px 18px;border-radius:999px;background:var(--fg);color:var(--bg);text-decoration:none;font-weight:600;font-size:.95em}
footer{color:var(--muted);font-size:.9em;padding:30px 0 60px;border-top:1px solid var(--line);margin-top:50px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 18px}.tabs button{font:inherit;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer;font-weight:600}
.tabs button.on{background:var(--tc,var(--accent));color:#fff;border-color:transparent}.tabpanel{display:none}.tabpanel.on{display:block}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.chips button{font:inherit;font-size:.9em;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer}.chips button.on{background:var(--fg);color:var(--bg)}
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.tile{position:relative;background:#000;border-radius:8px;overflow:hidden;cursor:pointer;aspect-ratio:16/9}.tile video,.tile img{width:100%;height:100%;object-fit:cover;display:block}
.tile .tag{position:absolute;left:8px;bottom:8px;background:rgba(0,0,0,.6);color:#fff;padding:2px 8px;border-radius:5px;font-size:.76em}.tile.hidden{display:none}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;padding:24px;z-index:50}.lightbox.on{display:flex}.lightbox .inner{width:min(1400px,100%)}.lightbox .close{position:absolute;top:16px;right:22px;color:#fff;font-size:2em;cursor:pointer;background:none;border:0}
@media (max-width:820px){.mgrid{grid-template-columns:1fr}.grid3 .cols{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}.method .mitems{grid-template-columns:1fr}.pair:not(.stack){flex-direction:column}.pair .third,.pair .head{flex:1 1 auto;width:100%}.mosaic{grid-template-columns:1fr 1fr}.kf{grid-template-columns:repeat(3,1fr)}}
.viz{--vb:#2a78d6;--vg:#c3c2b7;--vgrid:#e6e5df;--vhatch:repeating-linear-gradient(135deg,#2a78d6 0 3px,transparent 3px 7px)}
.dark .viz{--vb:#3987e5;--vg:#55554f;--vgrid:#2c2c2a;--vhatch:repeating-linear-gradient(135deg,#3987e5 0 3px,transparent 3px 7px)}
.viz .s0{background:#f0efec;color:var(--fg)}.viz .s1{background:#cde2fb;color:#1c1c1e}.viz .s2{background:#9ec5f4;color:#1c1c1e}.viz .s3{background:#6da7ec;color:#1c1c1e}.viz .s4{background:#2a78d6;color:#fff}.viz .s5{background:#184f95;color:#fff}.viz .s6{background:#0d366b;color:#fff}
.dark .viz .s0{background:#26262a;color:var(--fg)}.dark .viz .s1{background:#184f95;color:#fff}.dark .viz .s2{background:#256abf;color:#fff}.dark .viz .s3{background:#3987e5;color:#fff}.dark .viz .s4{background:#6da7ec;color:#0c0c0e}.dark .viz .s5{background:#9ec5f4;color:#0c0c0e}.dark .viz .s6{background:#cde2fb;color:#0c0c0e}
.viz{position:relative;font-variant-numeric:tabular-nums}.viz svg{display:block;width:100%;height:auto;overflow:visible}.viz text{font-family:var(--font);fill:var(--fg)}.viz .mut{fill:var(--muted)}
.viz .grid line{stroke:var(--vgrid);stroke-width:1}.viz .axis{stroke:var(--vgrid);stroke-width:1}
.viz [data-tip]{cursor:default;transition:filter .12s}.viz [data-tip]:hover{filter:brightness(1.12)}
.viz .legend{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.86em;margin:6px 0 2px}.viz .legend i{display:inline-block;width:14px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px;background:var(--sw)}
.viz .legend i.hatch{background:var(--vhatch);border:1px solid var(--vb);box-sizing:border-box}.viz .legend i.line{height:2px;width:18px;vertical-align:3px}.viz .legend i.dot{width:10px;height:10px;border-radius:50%}.viz .legend i.dot.hollow{background:none;border:2px solid var(--sw);box-sizing:border-box}
.viz .vtools{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 8px;font-size:.88em;color:var(--muted)}
.viz .vtools button{font:inherit;font-size:.9em;background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:4px 10px;cursor:pointer}.viz .vtools button.on{background:var(--fg);color:var(--bg)}
.viz table.tv{width:100%;border-collapse:collapse;font-size:.88em;margin:6px 0 0}.viz table.tv th,.viz table.tv td{border-bottom:1px solid var(--line);padding:5px 8px;text-align:right;white-space:nowrap}.viz table.tv th:first-child,.viz table.tv td:first-child{text-align:left}
.viz table.tv thead th{color:var(--muted);font-weight:600;border-bottom:1px solid var(--fg)}.viz table.tv tr.ours td{font-weight:700}.viz table.tv td.best{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.viz .tv-wrap{display:none;overflow-x:auto}.viz.table .tv-wrap{display:block}.viz.table .chart{display:none}
.viztip{position:fixed;z-index:60;pointer-events:none;background:var(--fg);color:var(--bg);padding:8px 10px;border-radius:6px;font-size:.84em;line-height:1.35;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:280px;display:none}.viztip b{font-size:1.15em}
.viz.small{display:grid;grid-template-columns:1fr 1fr;gap:22px 30px;align-items:start}@media (max-width:1000px){.viz.small{grid-template-columns:1fr}}
.viz .cells{width:100%;border-collapse:separate;border-spacing:3px;font-size:.86em}.viz .cells th{color:var(--muted);font-weight:600;text-align:center;padding:4px 2px}.viz .cells th:first-child{text-align:left}
.viz .cells td{text-align:left;padding:0;white-space:nowrap}.viz .cells td.name{padding:0 8px 0 0}.viz .cells .lv{display:inline-block;width:26px;height:22px;line-height:22px;text-align:center;border-radius:3px;margin-right:2px;font-size:.9em}
.viz .cells tr.ours td.name{font-weight:700}
.viz .hm{width:100%;border-collapse:separate;border-spacing:2px;font-size:.86em}.viz .hm th{color:var(--muted);font-weight:600;padding:4px 6px;text-align:center}.viz .hm th:first-child{text-align:left}.viz .hm td{text-align:center;padding:0;height:34px;border-radius:3px}.viz .hm td.name{text-align:left;padding:0 10px 0 0;background:none;color:var(--fg)}.viz .hm tr.ours td.name{font-weight:700}
.viz .ramp{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:.84em;margin:8px 0 0}.viz .ramp i{width:22px;height:10px;border-radius:2px;display:inline-block}
.viz .lb{display:grid;grid-template-columns:auto 1fr auto;gap:8px 14px;align-items:center;font-size:.95em}.viz .lb .bar{height:8px;border-radius:0 4px 4px 0;background:var(--vg)}.viz .lb .bar.ours{background:var(--vb)}.viz .lb .bar.ar{background:var(--vhatch);border:1px solid var(--vb);box-sizing:border-box;height:10px}
.viz .lb .name.ours,.viz .lb .name.ar{font-weight:700}.viz .lb .val{text-align:right;color:var(--muted)}.viz .lb .val.ours,.viz .lb .val.ar{color:var(--fg);font-weight:700}
.viz pre{margin:0;font-family:var(--mono);font-size:.84em;line-height:1.6;overflow-x:auto;color:var(--fg)}.viz pre .o{font-weight:700}.viz pre .g{color:var(--muted)}
.viz pre .mbar{display:inline-block;width:18ch;height:.75em;vertical-align:-1px;border-radius:0 3px 3px 0;background:linear-gradient(90deg,var(--c) var(--p),var(--vgrid) var(--p))}
.viz .wfgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 22px}.viz .wf svg{width:100%}.viz .wfh{display:flex;justify-content:space-between;font-size:.9em;margin:0 0 5px}.viz .wfh span{color:var(--muted)}@media (max-width:820px){.viz .wfgrid{grid-template-columns:1fr 1fr}}
.viz .hl{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.viz .hlt{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.viz .hlt.ours{border-color:var(--vb);border-width:2px}.viz .hlk{color:var(--muted);font-size:.85em}.viz .hlv{font-size:2.3em;font-weight:700;line-height:1.1;margin:4px 0}.viz .hlv span{font-size:.45em;color:var(--muted);font-weight:500;margin-left:3px}.viz .hls{color:var(--muted);font-size:.85em}
.viz .hlbar{height:6px;background:var(--vgrid);border-radius:3px;margin-top:10px;overflow:hidden}.viz .hlbar i{display:block;height:100%;background:var(--vb);border-radius:3px}.viz .hlbar i.g{background:var(--vg)}@media (max-width:820px){.viz .hl{grid-template-columns:1fr}}
.viz .legend i.tick{width:3px;height:13px;vertical-align:-2px;border-radius:1px}
.viz svg .f1{fill:#9ec5f4}.viz svg .f2{fill:#3987e5}.viz svg .f3{fill:#184f95}.viz svg .g1{fill:#dedcd4}.viz svg .g2{fill:#c3c2b7}.viz svg .g3{fill:#9a998f}.viz .legend i.f1{background:#9ec5f4}.viz .legend i.f2{background:#3987e5}.viz .legend i.f3{background:#184f95}
.dark .viz svg .f1{fill:#184f95}.dark .viz svg .f2{fill:#3987e5}.dark .viz svg .f3{fill:#9ec5f4}.dark .viz svg .g1{fill:#3a3a36}.dark .viz svg .g2{fill:#55554f}.dark .viz svg .g3{fill:#75756e}.dark .viz .legend i.f1{background:#184f95}.dark .viz .legend i.f2{background:#3987e5}.dark .viz .legend i.f3{background:#9ec5f4}