@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600&display=swap');
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/* Typography roles: one bilingual family, three weights, seven fixed sizes.
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.hero-photo small{flex-shrink:0}
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.hero-stats small{display:block;margin-top:8px}
.real-card .description{min-height:112px}
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}

/* The author's original Figure 2 is the centerpiece; controls annotate its regions. */
.method-section{background:#f0eef7}
.method-figure{margin:0 0 32px;background:#fff;border:1px solid #d9d2e9;border-radius:10px;overflow:hidden;box-shadow:0 10px 35px #4e3e7910}
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.method-figure-toolbar>div{display:flex;gap:24px;align-items:center}
.method-figure-toolbar button,.method-figure-toolbar a{background:none;border:0;padding:0;color:var(--purple);font-size:var(--text-ui);line-height:1.6}
.method-figure-scroll{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-color:#c6b8de #f2eef8;scrollbar-width:thin;padding:24px}
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.method-figure-canvas>img{display:block;width:100%;height:auto}
.method-region{position:absolute;border:2px solid transparent;border-radius:8px;padding:0;background:transparent;transition:border-color .2s,box-shadow .2s;cursor:pointer}
.region-0{left:.1%;top:0;width:35.8%;height:99%}
.region-1{left:21.5%;top:65%;width:14.4%;height:33.5%;z-index:2}
.region-2{left:41.2%;top:0;width:58.7%;height:97%}
.method-region:hover,.method-region:focus-visible{border-color:#8b75bb;box-shadow:0 0 0 5px #a391c51a;outline:0}
.method-figure[data-focus="0"] .region-0,.method-figure[data-focus="1"] .region-1,.method-figure[data-focus="2"] .region-2{border-color:#8b75bb;box-shadow:0 0 0 5px #a391c51a}
.method-figure-bottom{padding:18px 24px;border-top:1px solid #eae5f1;background:#fcfbfe}
.method-figure-bottom .caption{margin:0;max-width:950px}
.figure-scroll-hint{display:none;font-size:var(--text-note);line-height:1.7;color:var(--purple);margin-top:10px}
.stage-panel{border-radius:0 0 8px 8px;margin-bottom:32px}
.stage-description{grid-template-columns:1fr 1.35fr;align-items:start}
.stage-description h3{margin:10px 0 12px}
.stage-location{font-size:var(--text-note);line-height:1.7;color:var(--purple)}
.method-lightbox #dialog-image{width:min(1600px,calc(100vw - 64px));max-height:none}
@media(max-width:1000px){.figure-scroll-hint{display:block}}
@media(max-width:700px){
 .method-figure-toolbar{align-items:flex-start;flex-direction:column;gap:12px;padding:16px}
 .method-figure-toolbar>div{gap:20px;flex-wrap:wrap}
 .method-figure-scroll{padding:16px}
 .method-figure-bottom{padding:16px}
 .stage-description{grid-template-columns:minmax(0,1fr);gap:20px}
 .method-lightbox #dialog-image{width:1100px;max-width:none}
}

/* Research editorial layout: clear argument, authentic media, readable evidence. */
:root{--ink:#202638;--muted:#626879;--purple:#594985;--line:#dcdde4}
p{color:#555d6d}.caption,.hero-meta,.gallery-caption,.stat-label,.hero-stats small{color:#626879}
.hero{display:grid;grid-template-columns:1.18fr 1fr;gap:0 52px;text-align:left;padding-top:64px}
.hero-copy{align-self:center;min-width:0}.eyebrow{justify-content:flex-start;letter-spacing:.09em}
h1{font-size:var(--text-display);line-height:1.22;letter-spacing:-.045em}h1 br{display:none}h1 span:after{content:' '}
.hero-sub{margin:24px 0;max-width:550px}.hero-actions{justify-content:flex-start}.hero-meta{line-height:1.9;margin-top:24px}.affiliation{display:inline-block;margin-top:8px;color:var(--purple)}
.hero-media{align-self:center;min-width:0}.hero-gallery{grid-template-columns:1fr 1fr;gap:10px;margin:0}.hero-photo{aspect-ratio:1.3;border-radius:12px}.hero-photo:first-child{grid-column:1/-1;aspect-ratio:1.8}.hero-photo:first-child img{object-position:center 48%}.hero-photo>span{font-size:var(--text-note)}.gallery-caption{font-size:var(--text-note);gap:5px;flex-direction:column}.hero-stats{grid-column:1/-1;width:100%;margin-top:42px;background:#242c40;color:#fff;border:0;border-radius:12px;padding:28px 32px}.hero-stats .stat-label,.hero-stats small{color:#d0d7e5}.hero-stats strong{font-size:var(--text-display);margin-top:5px}.hero-stats strong span{color:#c5bcf3}.hero-stats>div{border-color:#ffffff25}.stat-label{min-height:0}
.reading-map{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 32px;padding:48px 0 0}.map-intro{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line)}.map-intro h2{font-size:var(--text-subheading);margin:0}.map-intro .tiny{color:var(--purple)}.reading-map>a{padding:24px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column}.map-number{font-size:var(--text-note);color:var(--purple);margin-bottom:12px}.reading-map h3{font-size:var(--text-body);margin-bottom:10px}.reading-map p{font-size:var(--text-ui);margin-bottom:20px}.map-link{font-size:var(--text-ui);color:var(--purple);margin-top:auto}.reading-map>a:hover .map-link{text-decoration:underline}
.chapter{padding-block:80px}.section-label{margin-bottom:24px}.method-section{background:#f0f1f6}.method-bridge{display:grid;grid-template-columns:1fr 1.65fr;gap:40px;padding:24px 0;margin-bottom:12px;border-block:1px solid #d7d9e3}.method-bridge h3{margin:8px 0 0}.method-bridge p{margin:0;font-size:var(--text-ui)}.stage-panel{background:#fff}.stage-status{line-height:1.9}.inference-strip{border:1px solid #d5d9e5;background:#e6eaf2;border-radius:10px;padding:28px}.inference-strip h3{margin:7px 0 20px}.inference-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.inference-flow li{position:relative;background:#fff;border:1px solid #d4dbe8;border-radius:6px;padding:16px;font-size:var(--text-ui);color:#344764}.inference-flow li+li:before{content:'→';position:absolute;left:-25px;top:25px;color:#687e9e}.inference-strip>p{font-size:var(--text-ui);margin:18px 0 0;max-width:900px}
.result-callout{display:flex;gap:32px;align-items:center;padding:24px 28px;background:#eef1f6;border-left:3px solid var(--blue);margin-bottom:30px}.result-callout strong{font-size:var(--text-heading);color:#375c8e;white-space:nowrap}.result-callout strong span{display:block;font-size:var(--text-note);font-weight:400}.result-callout p{margin:0;font-size:var(--text-body);max-width:760px}.bar-track{background:#e4e7ee}.bar-row.ours .bar-fill,.ablation-bar.best-bar .bar-fill{background:#5274a4}.paper-language{font-size:var(--text-ui);color:var(--purple);padding:10px 0}.real-section{background:#efefec}.real-card{background:var(--bg);padding:16px;border:1px solid #dedfdc;border-radius:12px}.real-card .description{font-size:var(--text-ui)}.research-note{border-radius:0 8px 8px 0}.outlook{background:#e8ebf2}.resource-row>a:hover{background:#efedf4}
@media(max-width:1100px){.hero{gap:0 28px}h1{font-size:40px}.hero-meta{font-size:12px}.hero-photo>span{left:10px;right:10px}.hero-photo small{display:none}}
@media(max-width:700px){.hero{grid-template-columns:minmax(0,1fr);padding-top:36px}.hero h1{font-size:var(--text-display);line-height:1.3}.hero-sub{margin-block:20px}.hero-media{margin-top:30px}.hero-gallery{grid-template-columns:1fr 1fr}.hero-photo{aspect-ratio:1.4}.hero-photo:first-child{aspect-ratio:1.7}.hero-stats{margin-top:24px;padding:20px 16px;grid-template-columns:1fr;gap:0}.hero-stats>div,.hero-stats>div:first-child{padding:16px 0;border-left:0;border-bottom:1px solid #ffffff25;display:grid;grid-template-columns:1fr auto;column-gap:12px}.hero-stats>div:last-child{border:0}.hero-stats strong{grid-column:2;grid-row:1/3;font-size:32px;align-self:center}.hero-stats .stat-label{min-height:0}.hero-stats small{margin:4px 0 0;max-width:210px}.reading-map{grid-template-columns:1fr;padding-top:32px}.map-intro{gap:18px;align-items:flex-start;flex-direction:column}.reading-map>a{padding-block:22px}.reading-map p{margin-bottom:10px}.chapter{padding-block:56px}.method-bridge{grid-template-columns:1fr;gap:16px}.inference-strip{padding:20px}.inference-flow{grid-template-columns:1fr;gap:28px}.inference-flow li+li:before{content:'↓';left:50%;top:-28px}.result-callout{align-items:flex-start;flex-direction:column;gap:16px;padding:20px}.real-card .description{min-height:0}}

/* Action-space visual essay */
.space-explainer{padding-bottom:80px}.space-player{background:#101b2a;color:#f2f5fa;border-radius:16px;overflow:hidden;border:1px solid #29374a}.space-top{display:flex;justify-content:space-between;padding:22px 28px;color:#a9bacd;font:11px/1.5 monospace;letter-spacing:1.4px}.space-panels{display:grid;grid-template-columns:1fr 1fr}.space-panels>div{min-width:0;padding:10px 0 0}.space-panels>div+div{border-left:1px solid #ffffff16}.space-panels h3{font-size:18px;margin:0 24px;color:#e4ecf8}.space-panels p{font-size:12px;color:#9dacc0;margin:7px 24px 0;min-height:36px}.space-panels canvas{display:block;width:100%;height:290px}.space-legend{display:flex;justify-content:center;gap:26px;padding:8px 20px 22px;color:#b6c7d7;font-size:12px}.space-caption{display:flex;gap:24px;padding:24px 28px;background:#182538;min-height:136px}.space-caption>span{font:13px monospace;color:#7de1cd;padding-top:5px;white-space:nowrap}.space-caption h3{margin:0 0 8px;font-size:21px;color:#fff}.space-caption p{margin:0;max-width:850px;color:#becbda;font-size:14px;line-height:1.8}.space-controls{display:flex;gap:14px;align-items:center;padding:20px 28px}.space-controls button,.space-chapters button{font:inherit;color:inherit;background:transparent;border:1px solid #526276;border-radius:6px;padding:8px 14px;cursor:pointer}.space-controls button:first-child{background:#b0edde;color:#102b2b;border-color:#b0edde;min-width:80px}.space-controls input{flex:1;min-width:40px;accent-color:#8fdbc9}.space-controls>span{font:12px monospace;white-space:nowrap}.space-chapters{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:0 28px 24px}.space-chapters button{font-size:12px;text-align:left;color:#9baec4;border-color:#2e4157}.space-chapters button[aria-pressed=true]{color:#9de9d5;border-color:#73b9ad;background:#18353b}.space-player button:focus-visible,.space-player input:focus-visible{outline:3px solid #f6d590;outline-offset:3px}.space-evidence{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:26px 0;border-bottom:1px solid #dcdfe3}.space-evidence p{font-size:13px;line-height:1.8;margin:8px 0}.space-evidence>div p{font-size:17px}.space-evidence strong{color:#365f8f}.space-evidence a{font-size:12px;text-decoration:underline}@media(max-width:700px){.space-panels{grid-template-columns:1fr}.space-panels>div+div{border-left:0;border-top:1px solid #ffffff16}.space-panels canvas{height:210px}.space-panels h3{font-size:16px}.space-panels p{min-height:0}.space-top{padding:18px}.space-legend{flex-direction:column;gap:6px;padding:12px 18px}.space-caption{padding:20px 18px;gap:12px;min-height:185px}.space-caption h3{font-size:18px}.space-controls{padding:18px;gap:8px}.space-controls button{padding:8px 10px;font-size:12px}.space-chapters{padding:0 18px 18px;grid-template-columns:1fr 1fr}.space-evidence{grid-template-columns:1fr;gap:12px}.space-explainer{padding-bottom:45px}}

.real-card video{display:block;width:100%;aspect-ratio:4/3;object-fit:contain;background:#10151e;border-radius:8px}.real-card .video-link{display:inline-block;margin-top:8px;font-size:12px;color:var(--purple);text-decoration:underline}

/* Short visual story: one caption, three deliberately paced scenes. */
.space-chapters{grid-template-columns:repeat(3,1fr)}
.space-caption{min-height:92px;align-items:center}
.space-caption h3{margin:0;font-size:23px}
#space-caption-body{display:none}
.space-details summary{cursor:pointer;font-size:14px;color:var(--purple)}
.space-details p{max-width:64ch}
@media(max-width:700px){.space-caption{min-height:105px}.space-caption h3{font-size:19px}.space-chapters{grid-template-columns:repeat(3,1fr)}.space-chapters button{padding:9px 6px;font-size:11px}}

/* Centered paper heading and compact method viewer. */
.hero{display:block;text-align:center;padding-top:44px}
.hero-copy{max-width:960px;margin:0 auto}
.hero h1{font-size:clamp(30px,3.6vw,46px);line-height:1.25;margin:0}
.hero-acronym{display:block;font-size:1.12em;font-weight:700;margin-bottom:12px}
.hero-title-text{display:block;font-weight:600}
.hero-sub{margin:22px auto;max-width:760px}
.hero-actions{justify-content:center}
.hero-meta{margin-top:22px}
.hero-stats{margin-top:32px}
#method .section-heading{margin-bottom:20px}
.stage-tabs{gap:18px}
.stage-tabs button{padding:10px 0;display:flex;gap:12px;align-items:baseline}
.stage-tabs button small{margin:0;white-space:nowrap}
.stage-panel{padding:14px 20px;margin-bottom:12px;min-height:130px}
.stage-description{grid-template-columns:1fr 1.7fr;gap:24px;align-items:start}
.stage-description .tiny{display:none}
.stage-description h3{font-size:18px;margin:0 0 6px}
.stage-description p{font-size:14px;line-height:1.6;margin:0}
.stage-status{margin-top:8px;font-size:12px;line-height:1.5}
.stage-location{font-size:12px}
.method-figure-toolbar{padding:10px 16px;gap:12px}
.method-figure-scroll{padding:10px 16px}
.method-figure-canvas{width:min(100%,850px);min-width:0;margin:0 auto}
.method-figure-bottom{padding:10px 16px}
.method-figure-bottom .caption{font-size:12px;line-height:1.5}
@media(min-width:701px){.method-figure-canvas{max-width:calc((100svh - 340px)*2.02)}}
@media(max-width:700px){
 .hero{padding-top:32px}.hero h1{font-size:29px}.hero-acronym{margin-bottom:10px}
 .hero-actions .button{flex:0 1 auto}.hero-sub{font-size:15px}
 .stage-tabs{gap:8px}.stage-tabs button{display:block;padding:10px 0}.stage-tabs button small{margin-bottom:4px}
 .stage-tabs button span{font-size:12px}.stage-panel{padding:12px;min-height:0}
 .stage-description{grid-template-columns:1fr;gap:8px}.stage-description h3{font-size:16px}
 .stage-location{display:none}.stage-status{margin-top:5px}
 .method-figure-toolbar{flex-direction:row;flex-wrap:wrap;padding:10px 12px}
 .method-figure-toolbar>div{gap:12px}.method-figure-toolbar button,.method-figure-toolbar a{font-size:12px}
 .method-figure-scroll{padding:8px}.figure-scroll-hint{display:none}
}
.hero .hero-title-text br{display:block}

.hero-actions{margin-top:26px;align-items:center}.hero-actions .resource-icon{width:22px;height:22px;flex:0 0 22px}.hero-actions .button{gap:10px}.code-pending{cursor:default;color:#686477;opacity:1}.code-pending small{font-size:11px;font-weight:400}.real-card video{aspect-ratio:16/9;object-fit:contain}