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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.action-card{transition:none}}

/* Compact paper-first layout */
:root{--ct1:#3f6fc4;--ct2:#2b8296;--ct3:#d4762f}
.brand-mark{background:#fff;border:1px solid var(--line);color:transparent;background-image:linear-gradient(90deg,var(--ct1) 0 33%,var(--ct2) 33% 66%,var(--ct3) 66%);background-clip:text;-webkit-background-clip:text}
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.demo-section{padding-top:64px}.demo-frame{width:min(980px,100%);margin-inline:auto;border:0;border-radius:18px;background:var(--paper);box-shadow:0 14px 44px rgba(17,27,36,.1)}.demo-frame iframe{transform:scale(1.035)}.demo-frame:before,.demo-frame:after{content:"";position:absolute;z-index:2;top:0;bottom:0;width:5%;pointer-events:none}.demo-frame:before{left:0;background:linear-gradient(90deg,var(--paper),transparent)}.demo-frame:after{right:0;background:linear-gradient(-90deg,var(--paper),transparent)}
.overview-section{padding-top:92px}.overview-copy{align-items:start}.overview-section .paper-figure{margin:66px 0 0;padding:0}.paper-figure img{padding:18px}.paper-figure figcaption,.result-figure figcaption{margin-top:13px;color:var(--muted);font-size:11px;line-height:1.6;text-align:center}
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.dataset-section{border-bottom:1px solid var(--line)}.dataset-section .app-marquee{margin-top:42px}.concise-results{grid-template-columns:.9fr 1.1fr}.results-copy{max-width:560px;color:var(--muted);font-size:15px;line-height:1.75}.result-numbers{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:34px}.result-numbers div{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}.result-numbers strong{display:block;font:26px DM Mono;color:var(--blue)}.result-numbers span{display:block;margin-top:6px;color:var(--muted);font-size:10px;font-weight:700}.result-figure{margin:0;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}.result-figure img{display:block;width:100%}
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/* Responsive, site-native paper figures */
.paper-figure,.distribution-figure,.result-figure{color:var(--ink)}
.paper-figure{padding:0;margin:66px 0 0;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 18px 50px rgba(16,24,32,.07)}
.figure-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;border-bottom:1px solid var(--line)}
.figure-head>div{display:flex;align-items:center;gap:11px;font-size:13px}
.figure-index{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:#fff;font:10px DM Mono,monospace}
.figure-note{color:var(--muted);font:10px DM Mono,monospace;text-transform:uppercase;letter-spacing:.08em}
.paper-figure figcaption,.distribution-figure figcaption,.result-figure figcaption{margin:0;padding:14px 22px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.6;text-align:left}

/* Figure 1 */
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.overview-diagram>section{min-width:0;padding:18px}
.overview-diagram>section+section{border-left:1px solid var(--line)}
.mini-browser{overflow:hidden;border:1px solid #d9dfe5;border-radius:12px;background:#f8fafc;box-shadow:0 10px 25px rgba(25,45,65,.08)}
.mini-browser-bar{height:26px;display:flex;align-items:center;gap:5px;padding:0 9px;background:#e9edf1;color:#7b8791;font:7px DM Mono,monospace}
.mini-browser-bar i{width:5px;height:5px;border-radius:50%;background:#b6c0c9}.mini-browser-bar span{margin-left:3px}
.mini-browser-body{position:relative;height:118px;overflow:hidden;background:linear-gradient(90deg,rgba(63,111,196,.08) 1px,transparent 1px),linear-gradient(rgba(63,111,196,.08) 1px,transparent 1px);background-size:22px 22px}
.ghost-lines{position:absolute;left:17px;top:18px;width:58%;display:grid;gap:8px}.ghost-lines i{display:block;height:7px;border-radius:3px;background:#e6ebf0}.ghost-lines i:nth-child(2){width:74%}.ghost-lines i:nth-child(3){width:90%}.ghost-lines i:nth-child(4){width:55%}
.target{position:absolute;padding:5px 7px;border:1px dashed currentColor;border-radius:6px;font:7px DM Mono,monospace;font-weight:600}.target-off{left:20px;bottom:-3px;color:var(--ct1);opacity:.7}.target-on{right:18px;top:40px;color:var(--ct2);background:#eaf8f4}.cursor-mark{position:absolute;right:12px;top:68px;font-size:24px;color:var(--ct3);transform:rotate(-8deg)}
.capability-list{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:10px}.capability-list span{padding:7px 8px;border-radius:7px;background:#edf0f2;color:#3e4952;font-size:8px;font-weight:700}.capability-list b{margin-right:5px;color:var(--blue);font:8px DM Mono,monospace}
.diagram-label{margin:12px 0 8px;text-align:center;text-transform:uppercase;letter-spacing:.1em;font-size:8px;font-weight:800;color:var(--muted)}
.action-space{display:flex;justify-content:center;flex-wrap:wrap;gap:4px}.action-space span{padding:5px 7px;border:1px solid var(--line);border-radius:5px;background:#fff;font:7px DM Mono,monospace}.action-space span:nth-child(3){background:var(--ink);color:#fff;border-color:var(--ink)}
.constraint-panel{display:flex;flex-direction:column;justify-content:center;gap:7px}.static-grounding{padding:8px 10px;border-radius:7px;background:#e8e9e8;text-align:center;font-size:10px;font-weight:800}.flow-connector{display:flex;align-items:center;justify-content:center;gap:7px;color:var(--muted)}.flow-connector span{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--ink);color:#fff;font:11px DM Mono}.flow-connector b{font-size:8px;text-transform:uppercase;letter-spacing:.08em}
.constraint-block{overflow:hidden;border-radius:9px;border:1px solid currentColor}.constraint-block header{display:flex;align-items:center;gap:8px;padding:7px 9px;color:#fff}.constraint-block header b{display:grid;place-items:center;width:17px;height:17px;border-radius:50%;background:rgba(255,255,255,.2);font:8px DM Mono}.constraint-block header span{font-size:9px;font-weight:800}.constraint-block p{margin:0;padding:6px 9px;background:var(--tint);font-size:8px;text-align:center}.constraint-block>small,.constraint-block>div{display:flex;gap:4px;padding:5px;background:#fff}.constraint-block small{flex:1;padding:5px 4px;border-radius:5px;background:var(--tint);font-size:6.5px;line-height:1.25;text-align:center;color:var(--ink)}.ct-one{--tint:#edf3ff;color:var(--ct1)}.ct-two{--tint:#e7f5f2;color:var(--ct2)}.ct-three{--tint:#fff0e8;color:var(--ct3)}.ct-one header{background:var(--ct1)}.ct-two header{background:var(--ct2)}.ct-three header{background:var(--ct3)}
.gap-panel{display:flex;flex-direction:column}.chart-title{display:flex;align-items:end;justify-content:space-between;gap:10px;margin-bottom:12px}.chart-title strong{font-size:11px}.chart-title span{color:var(--muted);font-size:7px}.chart-legend{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.chart-legend span{display:flex;align-items:center;gap:4px;font-size:7px;font-weight:700}.chart-legend span:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--dot)}.human-dot{--dot:#676d73}.gpt-dot{--dot:#378add}.qwen-dot{--dot:#d85a30}
.group-chart{position:relative;display:grid;gap:17px;padding:5px 0}.group-chart:before{content:"";position:absolute;left:72px;right:28px;top:0;bottom:0;background:linear-gradient(90deg,transparent 49.5%,#e8e9e8 50%,transparent 50.5%),linear-gradient(90deg,transparent 99.5%,#e8e9e8 100%)}.group-row{position:relative;display:grid;grid-template-columns:65px 1fr 25px;gap:7px;align-items:center}.group-row>span{font-size:7px;line-height:1.2;text-align:right}.group-row>div{display:grid;gap:3px}.group-row i{display:block;height:5px;width:var(--v);border-radius:0 4px 4px 0;background:var(--bar)}.human-bar{--bar:#676d73}.gpt-bar{--bar:#378add}.qwen-bar{--bar:#d85a30}.group-row>b{font:7px DM Mono;color:#676d73}.scale{display:flex;justify-content:space-between;margin:7px 28px 0 72px;color:#9aa1a7;font:6px DM Mono}

/* Figure 2 */
.distribution-figure{overflow:hidden;padding:0;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 18px 50px rgba(16,24,32,.07)}
.distribution-summary{display:grid;grid-template-columns:190px 1fr;gap:22px;align-items:center;padding:24px;border-bottom:1px solid var(--line)}
.donut{width:172px;aspect-ratio:1;margin:auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--ct1) 0 27.8%,var(--ct2) 27.8% 68.7%,var(--ct3) 68.7% 100%);transform:rotate(20deg);box-shadow:inset 0 0 0 1px rgba(16,24,32,.1)}.donut:before{content:"";grid-area:1/1;width:57%;aspect-ratio:1;border-radius:50%;background:#fff;box-shadow:0 0 0 1px var(--line)}.donut>div{z-index:1;grid-area:1/1;display:grid;text-align:center;transform:rotate(-20deg)}.donut strong{font:27px DM Mono}.donut span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.subtype-legend{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px}.legend-section{grid-column:1/-1;margin-bottom:2px;color:var(--muted);font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.legend-item{display:grid;grid-template-columns:9px 27px 1fr;gap:5px;align-items:center;font-size:8px}.legend-item i{width:8px;height:8px;border-radius:2px}.legend-item b{font:8px DM Mono}
.s1{background:#95c5ec}.s2{background:#b0ddcc}.s3{background:#7ecdae}.s4{background:#4fb58c}.s5{background:#f7cfbc}.s6{background:#ed9778}.s7{background:#e07050}
.platform-chart{padding:20px 24px 22px}.platform-chart-head{display:grid;grid-template-columns:100px 1fr 1fr 1fr;padding:0 24px 9px 0;color:var(--muted);font:7px DM Mono}.platform-chart-head strong{color:var(--ink);font:800 8px Manrope}.platform-chart-head span{text-align:right}.platform-group{margin-top:13px}.platform-group>small{display:block;margin:0 0 5px 104px;color:var(--muted);font:6px DM Mono;letter-spacing:.09em}.platform-row{display:grid;grid-template-columns:100px 1fr 20px;gap:5px;align-items:center;margin:3px 0}.platform-row label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right;font-size:7px;font-weight:700}.platform-row>div{display:flex;height:10px;background:linear-gradient(90deg,transparent 49.5%,#e4e7e8 50%,transparent 50.5%),#f1f2f2}.platform-row i{display:block;flex:0 0 var(--w);height:100%;border-right:1px solid rgba(16,24,32,.16)}.platform-row>b{font:7px DM Mono}.distribution-figure figcaption{padding-inline:18px}
.platform-row i[style="--n:1"]{--w:2%}.platform-row i[style="--n:2"]{--w:4%}.platform-row i[style="--n:3"]{--w:6%}.platform-row i[style="--n:4"]{--w:8%}.platform-row i[style="--n:5"]{--w:10%}.platform-row i[style="--n:6"]{--w:12%}.platform-row i[style="--n:7"]{--w:14%}.platform-row i[style="--n:8"]{--w:16%}.platform-row i[style="--n:9"]{--w:18%}.platform-row i[style="--n:10"]{--w:20%}.platform-row i[style="--n:11"]{--w:22%}.platform-row i[style="--n:12"]{--w:24%}.platform-row i[style="--n:13"]{--w:26%}.platform-row i[style="--n:14"]{--w:28%}.platform-row i[style="--n:20"]{--w:40%}

/* Figure 3 */
.result-figure{overflow:hidden;padding:0;border:1px solid var(--line);border-radius:24px;background:#f8f8f5;box-shadow:0 18px 50px rgba(16,24,32,.07)}
.scoreboard{display:grid;gap:17px;padding:28px 28px 20px}.score-row>div{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}.score-row span{font-size:11px;font-weight:800}.score-row span small{margin-left:5px;color:var(--muted);font-size:7px;font-weight:600}.score-row strong{font:16px DM Mono;color:var(--score-color)}.score-row>i{display:block;height:10px;border-radius:99px;background:#e1e4e5;overflow:hidden}.score-row>i b{display:block;width:var(--score);height:100%;border-radius:inherit;background:var(--score-color)}.human-score{--score-color:#4d555c}.gpt-score{--score-color:#378add}.oss-score{--score-color:#0f6e56}.qwen-score{--score-color:#d85a30}
.gap-callout{margin:4px 28px 20px;padding:19px;border:1px solid #b8dc52;border-radius:14px;background:#efffc6}.gap-callout>span{display:block;margin-bottom:7px;color:#547400;font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.gap-callout>strong{font:24px DM Mono}.gap-callout>strong i{font-style:normal;color:#6d8f12}.gap-callout p{margin:7px 0 0;color:#556137;font-size:9px;line-height:1.5}.gap-callout p b{color:#314000}
.subtype-tags{display:flex;flex-wrap:wrap;gap:5px;padding:0 28px 24px}.subtype-tags span{padding:6px 8px;border:1px solid var(--line);border-radius:99px;background:#fff;color:var(--muted);font:7px DM Mono}

@media(max-width:1000px){
  .overview-diagram{grid-template-columns:1fr 1fr}.gap-panel{grid-column:1/-1;border-left:0!important;border-top:1px solid var(--line)}
  .dataset-layout{grid-template-columns:.78fr 1.22fr;gap:45px}
}
@media(max-width:800px){
  .paper-figure{margin-top:40px}.figure-head{padding:15px 16px}.figure-note{font-size:8px}.overview-diagram{grid-template-columns:1fr;padding:12px}.overview-diagram>section{padding:16px}.overview-diagram>section+section{border-left:0;border-top:1px solid var(--line)}.gap-panel{grid-column:auto}.paper-figure figcaption,.distribution-figure figcaption,.result-figure figcaption{padding:12px 16px}
  .distribution-summary{grid-template-columns:1fr;padding:20px}.donut{width:min(180px,70vw)}.subtype-legend{max-width:320px;width:100%;margin:auto}.platform-chart{padding:18px 14px}.platform-chart-head{grid-template-columns:87px 1fr 1fr 1fr}.platform-group>small{margin-left:91px}.platform-row{grid-template-columns:87px 1fr 18px}.platform-row label{font-size:6.5px}
  .scoreboard{padding:23px 18px 18px}.gap-callout{margin:2px 18px 18px}.subtype-tags{padding:0 18px 20px}
}
@media(max-width:430px){
  h1{font-size:39px}.stats div{padding:18px 16px}.stats strong{font-size:28px}.result-numbers strong{font-size:21px}.figure-note{display:none}.overview-diagram{padding:7px}.overview-diagram>section{padding:13px}.capability-list span{font-size:7px}.constraint-block small{font-size:6px}.platform-row{grid-template-columns:74px 1fr 17px}.platform-chart-head{grid-template-columns:74px 1fr 1fr 1fr}.platform-group>small{margin-left:78px}.platform-row label{font-size:6px}.gap-callout>strong{font-size:21px}
}