@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;650;700&display=swap');
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*{box-sizing:border-box}html{scroll-padding-top:30px}body{margin:0;background:white;color:var(--ink);font:16px/1.75 var(--sans);-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.3}h1,h2{letter-spacing:-.025em}h2{font-size:31px;font-weight:600}h3{font-size:19px;font-weight:600}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;color:inherit;cursor:pointer}button,a,summary,input{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--blue);outline-offset:4px}img{display:block;max-width:100%;height:auto}::selection{background:#f1dae0}.wrap{max-width:1120px;margin:auto;padding-left:35px;padding-right:35px}.section{padding-top:90px;padding-bottom:70px}.small{font-size:12px;color:var(--muted)}.micro{font-size:12px;font-weight:500;letter-spacing:.015em}.skip{position:absolute;top:-100px;background:white;padding:10px;z-index:100}.skip:focus{top:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
/* Paper title, authors, and links form a quiet academic masthead. */
.topbar{max-width:1280px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:22px 36px}.brand{display:block}.wordmark{width:112px}.nav-paper{font-size:12px;color:#777}.hero{padding-top:35px}.paper-heading{text-align:center}.project-name{margin:0 auto 26px}.project-name img{width:200px;margin:auto}h1{font-size:43px;font-weight:650;line-height:1.28}h1>span{display:block;font-size:32px;font-weight:500;letter-spacing:-.025em;line-height:1.35;margin-top:10px}.authors{max-width:1000px;margin:34px auto 0;text-align:center}.authors>p{font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.9;color:var(--blue)}.authors sup{font-size:11px;color:var(--wine)}.authors>div{display:flex;flex-direction:column;gap:5px;margin-top:15px;font-size:15px;color:#666}.authors>div>span:last-child{font-size:11px;color:#888}.actions{display:flex;align-items:center;justify-content:center;gap:10px;margin:26px 0 64px}.button{display:inline-flex;align-items:center;gap:8px;border:1px solid #ddd;border-radius:20px;font-size:13px;line-height:1.5;padding:8px 19px;color:#444;background:white}.button:hover{background:#f5f5f5;text-decoration:none}.primary{background:#353535;border-color:#353535;color:white}.primary:hover{background:#555;color:white}.unavailable{color:#929292}.soon{font-size:10px;border-left:1px solid #ddd;padding-left:8px}.teaser-caption{max-width:740px;text-align:center;margin:24px auto 0;font-size:16px;line-height:1.7;color:#666}.teaser-caption strong{color:#333;font-weight:600}
/* One continuous stream illustration, with a single recurrent-state focal point. */
.stream-player{position:relative;margin:0 auto;padding:0 0 16px;max-width:1050px}.stream-heading{display:flex;justify-content:space-between;align-items:center;padding:0 10px 9px;gap:20px}.stream-heading h3{font-size:16px;font-weight:500}.stream-heading>span{font-size:11px;color:#999}.stream-viewport{overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}.stream-viewport svg{display:block;width:100%;min-width:700px;font-family:var(--sans);overflow:hidden}.archive-outline{fill:#fff;stroke:#ccc;stroke-width:1}.archive-title{font-size:19px;font-weight:600;fill:var(--wine)}.svg-overline{font-size:11px;letter-spacing:1px;fill:#777;font-weight:500}.svg-explainer{font-size:15px;fill:#888}.svg-meta{font-size:11px;fill:#888}.svg-note,.svg-token{font-size:13px;fill:#444;font-weight:400}.svg-ellipsis{font-size:14px;fill:#999}.archive-note,.input-token,.evidence-token{stroke-width:1}.note-color-0{fill:#f9e9ed;stroke:#dca6b3}.note-color-1{fill:#e6f4f1;stroke:#9dcfc7}.note-color-2{fill:#fcf3dc;stroke:#e0c78e}.note-color--1,.omitted-note{fill:#f5f5f5;stroke:#ddd}.retrieved rect{stroke:var(--wine);stroke-width:2}.retrieved text{font-weight:600}.stream-track{stroke:#ddd;stroke-width:1.5;fill:none}.state-core{fill:var(--blue);stroke:var(--blue);stroke-width:1}.state-halo{fill:#edf2fa;stroke:#bacce5;stroke-width:1.5}.state-symbol{font-size:25px;font-weight:600;fill:white}.state-wave{stroke:#7c9ac5;stroke-width:2;fill:none}.state-label{font-size:15px;fill:var(--blue);font-weight:600}.question-token{fill:#f1eaf7;stroke:#b49bca}.route-line{stroke:#7955a0;stroke-width:1.5;stroke-dasharray:5 5;fill:none}.answer-token{fill:#edf2f9;stroke:#b4c7e0}.chunk-bracket{stroke:#ccc;fill:none;stroke-width:1}.stream-controls{display:flex;align-items:center;gap:10px;padding:0 10px}.stream-controls button{font-size:12px;background:white;border:0;padding:6px 9px;border-radius:3px;color:#888;white-space:nowrap}.stream-controls .stream-play{color:var(--blue);border:1px solid #ccd7e8;min-width:70px}.stream-controls .stream-restart{color:#888}.phase-buttons{display:flex;justify-content:center;gap:5px;flex:1}.phase-buttons button[aria-pressed=true]{color:var(--blue);background:#edf2fa}.stream-clock{font:11px ui-monospace,SFMono-Regular,monospace;color:#999;white-space:nowrap}.stream-timeline{display:block;width:calc(100% - 20px);height:3px;margin:17px 10px;accent-color:var(--blue);cursor:pointer}.stream-caption{font-size:12px;line-height:1.6;color:#888;text-align:center;margin:0 auto;min-height:20px;padding:0 12px}
/* Full-width figures, sparse captions, and optional detail. */
.section-heading{text-align:center;max-width:850px;margin:0 auto 45px}.section-intro{margin-top:16px;color:#777;font-size:16px;line-height:1.8}.section-intro strong{color:#444;font-weight:500}.figure-panel{background:white}.figure-panel>img{width:100%}.figure-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.figure-top h3{font-size:23px;font-weight:500}.figure-bottom{display:flex;gap:25px;justify-content:space-between;padding:20px 0;color:#888;font-size:11px}.figure-bottom a{white-space:nowrap}.figure-caption{text-align:center;font-size:12px;line-height:1.8;color:#888;margin:22px auto 0}.expand{border-top:1px solid var(--line);margin-top:30px}.expand:last-child{border-bottom:1px solid var(--line)}.expand+.expand{margin-top:0}.expand summary{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:16px 0;cursor:pointer;font-size:13px;font-weight:400;list-style:none;color:#666}.expand summary::-webkit-details-marker{display:none}.expand summary span{color:#999;font-size:18px}.expand[open] summary span{transform:rotate(45deg)}.expand>p{color:var(--muted);font-size:14px;margin:5px 0 22px}.expand img{margin:20px auto;max-height:1000px;object-fit:contain}.architecture{max-width:1020px;margin:0 auto}.architecture img{width:100%}.method-explanations{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;max-width:970px;margin:40px auto 0}.method-explanations h3{font-size:18px;font-weight:500}.method-explanations h3 span{color:var(--wine);font-size:13px;margin-right:8px}.method-explanations p{font-size:14px;line-height:1.8;color:#777;margin-top:10px}
/* Cost headlines and regular academic plots. */
.efficiency-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;max-width:940px;margin:0 auto}.efficiency-grid article{padding:10px 0;display:flex;flex-direction:column}.efficiency-grid .micro{color:#777}.compute-card h3{font-size:60px;font-weight:500;letter-spacing:-.06em;line-height:1.2;color:var(--wine);margin:22px 0 0}.compute-card h3>span{font-size:38px}.compute-card>p:not(.card-foot){font-size:16px;color:#888}.compute-visual{position:relative;height:110px;margin:28px 0 15px;display:flex;align-items:flex-start}.compute-grid{width:100%;height:70px;background-image:radial-gradient(#ddd 2px,transparent 2.5px);background-size:12px 12px}.compute-visual>span{position:absolute;bottom:0;font-size:10px;color:#999}.magnifier{position:absolute;right:18px;top:-16px;border:1px solid #ccc;border-radius:50%;width:90px;height:90px;background:white;box-shadow:0 0 0 6px white;overflow:hidden}.magnifier>div{position:absolute;inset:10px;background-image:radial-gradient(#ddd 2px,transparent 2.5px);background-size:8px 8px}.magnifier>div:before{content:'';position:absolute;top:5px;left:5px;width:4px;height:4px;background:var(--wine)}.card-foot{font-size:11px;color:#999;line-height:1.7;margin-top:auto;padding-top:15px}.storage-visual{display:flex;align-items:center;gap:30px;margin:25px 0 18px}.mha-square{position:relative;background:#f3f3f3;border:1px solid #ccc;width:170px;height:170px;display:grid;place-items:center;flex-shrink:0}.mha-square>span{font-size:11px;text-align:center;color:#777}.mha-square strong{display:block;font-size:28px;font-weight:400;letter-spacing:-.025em;margin-top:5px;color:#555}.nb-dot{position:absolute;bottom:0;right:0;width:1.962%;height:1.962%;background:var(--wine)}.nb-magnified{display:flex;flex-direction:column;align-items:center;font-size:10px;color:#888;position:relative}.tiny-square{width:32px;height:32px;background:var(--wine);margin-bottom:10px}.nb-magnified strong{font-size:16px;color:var(--wine);font-weight:500}.storage-card h3{font-size:32px;color:var(--wine);font-weight:500}.storage-card h3>span{font-size:15px;color:#888;font-weight:400}.cost-explorer{background:white;margin:65px auto 0}.cost-legend{display:flex;justify-content:center;gap:28px;font-size:13px;margin-bottom:28px}.cost-legend span:before{content:'';display:inline-block;vertical-align:middle;width:24px;border-top:2px solid var(--series);margin-right:9px}.cost-legend span:nth-child(2):before{border-top-style:dashed}.cost-legend span:nth-child(3):before{border-top-style:dotted}.cost-panels{display:grid;grid-template-columns:1fr 1fr;gap:40px}.academic-plot svg{width:100%;display:block}.chart-title{font:500 15px var(--sans);fill:#333}.chart-tick{font:13px var(--sans);fill:#666}.chart-grid{stroke:#e9e9e9;stroke-width:1}.chart-axis{stroke:#666;stroke-width:1;fill:none}.chart-cursor{stroke:#aaa;stroke-width:1;stroke-dasharray:3 4}.axis-slider{margin:-8px 5% 20px 12%}.context-range{accent-color:#777;width:100%;display:block;height:3px;cursor:pointer;margin:0}.plot-readout{display:flex;justify-content:space-between;margin:0 5% 0 12%;gap:8px}.plot-readout span{display:flex;flex-direction:column;text-align:center}.plot-readout small{font-size:10px}.plot-readout strong{font-size:14px;font-weight:500;white-space:nowrap}.cost-explorer .figure-caption{margin-top:25px}.runtime-panel{display:grid;grid-template-columns:1fr 1.2fr;gap:35px;padding:15px 0 30px}.runtime-panel .micro{display:none}.runtime-panel h3{font-size:18px;margin-bottom:10px}.runtime-panel p{font-size:12px;color:#888}.runtime-bars>div{display:flex;align-items:center;gap:12px;margin-bottom:11px;font-size:12px}.runtime-bars>div>span{width:80px;flex-shrink:0}.runtime-bars strong{font-weight:500;white-space:nowrap}.bar-track{flex:1;height:12px}.bar{height:100%;border-radius:1px}.baseline{background:#ccc}.nb{background:var(--wine)}.runtime-bars>p{margin-top:14px}
.beyond-chart{max-width:760px;margin:0 auto}.beyond-chart svg{display:block;width:100%}.bar-value{font:500 15px var(--sans);fill:#444}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:14px;text-align:left}caption{text-align:left;font-size:12px;color:var(--muted);margin-bottom:10px}td,th{padding:12px;border-bottom:1px solid var(--line)}thead{background:#f7f7f7}tbody td:last-child{color:var(--wine);font-weight:500}.resources{max-width:900px;padding-top:70px;padding-bottom:70px}.copy-button{background:white;border:1px solid #ddd;border-radius:4px;padding:5px 10px;font-size:11px;color:#888}.copy-button:hover{color:var(--blue)}pre{font:11px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;color:#777;background:#f8f8f8;padding:22px;margin:0 0 10px;overflow:auto}.acknowledgement{margin-top:65px}.acknowledgement>.micro{font-size:22px;font-weight:500;text-transform:none;letter-spacing:0;color:#333}.acknowledgement>p{font-size:14px;color:#888;line-height:1.9;margin-top:20px}footer{display:flex;align-items:center;justify-content:space-between;padding-top:20px;padding-bottom:30px}footer>span,footer>a:last-child{font-size:11px;color:#aaa}footer .wordmark{width:90px}.mobile-results{display:none}
@media(max-width:900px){.wrap{padding-left:25px;padding-right:25px}.topbar{padding:20px 25px}h1{font-size:38px}h1>span{font-size:29px}.authors br{display:none}.authors>p{font-size:18px}.method-explanations{gap:26px}.efficiency-grid{gap:40px}.cost-panels{gap:18px}.phase-buttons{gap:0}.stream-controls{gap:6px}.stream-controls button{font-size:11px;padding:6px}.stream-clock{font-size:10px}}
@media(max-width:620px){.wrap{padding-left:20px;padding-right:20px}.topbar{padding:20px}.topbar .wordmark{width:95px}.hero{padding-top:26px}.project-name{margin-bottom:20px}.project-name img{width:165px}h1{font-size:31px}h1>span{font-size:24px;line-height:1.45;margin-top:13px}h1>span br{display:none}.authors{margin-top:28px}.authors>p{font-size:17px;line-height:1.85}.authors>div{font-size:13px;margin-top:17px}.actions{margin:26px 0 48px;gap:8px}.button{font-size:12px;padding:8px 13px}.stream-heading{display:block;padding:0 0 10px}.stream-heading h3{font-size:15px}.stream-heading>span{font-size:10px}.stream-heading>span:after{content:' · Swipe to explore';color:#aaa}.stream-viewport svg{min-width:750px}.stream-controls{flex-wrap:wrap;padding:0;gap:7px;margin-top:8px}.phase-buttons{order:4;flex-basis:100%;justify-content:space-between;margin-top:6px}.stream-clock{margin-left:auto}.stream-timeline{margin:16px 0;width:100%}.stream-caption{font-size:11px;text-align:left;padding:0;min-height:36px}.teaser-caption{font-size:14px;margin-top:18px}.section{padding-top:65px;padding-bottom:40px}h2{font-size:26px}.section-heading{margin-bottom:32px}.section-intro{font-size:14px;line-height:1.8;margin-top:15px}.figure-panel>img{display:none}.mobile-results{display:grid;gap:25px}.mobile-plot{overflow:hidden}.mobile-plot img{width:300%;max-width:none;height:auto}.figure-bottom{flex-direction:column;gap:7px;font-size:10px}.expand summary{font-size:12px}.expand>p{font-size:13px}.method-explanations{grid-template-columns:1fr;gap:24px;margin-top:30px}.method-explanations h3{font-size:17px}.method-explanations p{margin-top:8px;font-size:14px}.efficiency-grid{grid-template-columns:1fr;gap:35px;max-width:360px}.compute-card h3{font-size:60px}.storage-visual{justify-content:center;gap:30px}.cost-explorer{margin-top:55px}.cost-legend{gap:20px;font-size:11px}.cost-legend span:before{width:18px;margin-right:6px}.cost-panels{grid-template-columns:1fr;gap:35px}.plot-readout strong{font-size:14px}.plot-readout small{font-size:10px}.figure-caption{font-size:10px}.runtime-panel{grid-template-columns:1fr;gap:20px}.runtime-panel h3{font-size:17px}.beyond-chart{margin-left:-10px;margin-right:-10px}.resources{padding-top:50px;padding-bottom:40px}.figure-top h3{font-size:22px}pre{font-size:10px;padding:18px}.acknowledgement{margin-top:45px}.acknowledgement>p{font-size:13px}footer{gap:12px;flex-wrap:wrap}footer>span{font-size:10px}}
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.authors>p>span{display:inline-block;white-space:nowrap;margin:0 7px}

/* Detective illustration: preserve the existing page layout. */
#paper-title{text-wrap:balance}
.note-speaker{font-size:9px;letter-spacing:.45px;font-weight:600;fill:#666}
.svg-case-detail{font-size:12px;fill:#888}
.interview-label{font-size:14px;font-weight:500;fill:#555}
.speaker-0{fill:#a6344c}.speaker-1{fill:#139888}.speaker-2{fill:#c18a21}
.archive-omission{font-size:9px}

/* Scene-grounded recall, and the plug-and-play result highlights. */
.input-equation{font-size:15px;fill:#666}.case-note{font-size:12px;fill:#444}.case-question,.case-answer{font-size:12px;fill:#444}.note-color-3{fill:#edf2f8;stroke:#b8c9df}.speaker-3{fill:#3a69ad}.answer-step-3{fill:#f9e9ed;stroke:#dca6b3}.retrieved .case-note{font-weight:500}
.result-eyebrow{color:var(--wine);font-size:14px;font-weight:500;letter-spacing:.02em;margin-bottom:16px}.qwen-highlight{color:var(--wine)}.score-results{display:grid;grid-template-columns:1fr 1fr;gap:90px;max-width:900px;margin:0 auto 35px}.score-results article{padding-top:12px}.score-results h3{font-size:22px;font-weight:500;margin-bottom:30px}.score-labels{display:flex;justify-content:space-between;font-size:12px;color:#888}.score-arrow{display:flex;align-items:center;justify-content:space-between;gap:24px;line-height:1.4;margin:8px 0 12px;font-size:54px;letter-spacing:-.04em}.score-arrow>span:first-child{color:#aaa}.score-arrow>span:nth-child(2){font-size:30px;color:#c0c0c0}.score-arrow strong{font-weight:600;color:var(--wine)}.score-results article>p{font-size:13px;color:var(--wine)}
@media(max-width:620px){.score-results{grid-template-columns:1fr;gap:40px;max-width:350px}.score-results h3{font-size:20px;margin-bottom:22px}.score-arrow{font-size:50px}.result-eyebrow{font-size:12px}.phase-buttons button{font-size:10px;padding:6px 4px}}

/* Paper abstract and resource icons. */
.button-icon{width:16px;height:16px;flex-shrink:0}.primary .button-icon{filter:invert(1)}.unavailable .button-icon{opacity:.48}.actions{margin-bottom:40px}.paper-abstract{max-width:850px;margin:0 auto 64px}.paper-abstract h2{font-size:25px;text-align:center;margin-bottom:22px}.paper-abstract p{font-size:15px;line-height:1.85;color:#666}
@media(max-width:620px){.button-icon{width:14px;height:14px}.actions{gap:7px}.actions .button{padding:8px 11px;gap:6px}.paper-abstract{margin-bottom:48px}.paper-abstract h2{font-size:23px;margin-bottom:18px}.paper-abstract p{font-size:14px;line-height:1.85}}

/* Separate the example from the abstract; a single answer and a proper magnifying glass. */
.paper-abstract{margin-bottom:100px}.illustration-section>h2{text-align:center;margin-bottom:38px}
.magnifier{right:28px;border:3px solid #9fa6ad;overflow:visible;box-shadow:0 0 0 5px white}.magnifier>div{inset:8px;border-radius:50%;overflow:hidden}.magnifier:after{content:'';position:absolute;left:72px;top:72px;width:38px;height:9px;background:#8e969f;border-radius:5px;transform:rotate(45deg);transform-origin:4px 50%}
@media(max-width:620px){.paper-abstract{margin-bottom:72px}.illustration-section>h2{margin-bottom:30px}}
.magnifier>div:before{left:18px;top:10px}

/* Keep author links visually identical to the existing author text. */
.authors>p>span>a{font:inherit;color:inherit;text-decoration:none}

/* Compact footer sharing links and a local WeChat QR code. */
footer{flex-wrap:wrap}
.share-links{flex-basis:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding-top:18px;border-top:1px solid var(--line);margin-top:18px;color:var(--muted);font-size:12px}
.share-links a,.share-links button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;border-radius:50%;background:transparent;padding:9px}
.share-links img{opacity:.6;object-fit:contain}
.share-links a:hover,.share-links button:hover{background:#f5f5f5}
.share-links a:hover img,.share-links button:hover img{opacity:1}
.wechat-dialog{position:fixed;width:min(360px,calc(100% - 40px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--line);border-radius:12px;padding:32px 24px 22px;color:var(--ink);text-align:center;box-shadow:0 16px 64px #0002}
.wechat-dialog::backdrop{background:#0005}
.wechat-dialog h2{font-size:22px;margin-bottom:12px}
.wechat-dialog p{font-size:13px;color:var(--muted);line-height:1.7}
.wechat-close{position:absolute;right:10px;top:6px;border:0;background:none;font-size:25px;color:var(--muted);padding:3px 9px}
.share-qr{margin:14px auto;background:white}
.share-url{display:block;font-size:12px;overflow-wrap:anywhere;margin-bottom:16px}
#share-status{min-height:22px;margin-top:10px}