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@media(max-width:360px){.header-inner{padding:0 16px}.header-paper{padding:9px 11px}.brand{font-size:16px}.hero h1{gap:8px}.title-images{width:57px}.title-images img{width:35px;height:46px}.title-images img:nth-child(2){left:11px}.hero-lead{font-size:18px}.article-layout{padding:0 20px}.method-tab{font-size:9px}.method-tabs{gap:14px}.teacher-branch{gap:6px}.diagram-source,.diagram-source img{width:56px}.diagram-source img{height:38px}.prompt-stack{padding:10px 6px}.teacher-node{padding:13px 6px}.hero-model-label{display:none}.paper-card{grid-template-columns:74px 1fr;gap:15px}.chart-tabs{gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.button:hover{transform:none}}
@media print{.site-header,.article-toc,.hero-play,.hero-timeline,.toast,.site-footer,.hero-links,.compare-range{display:none!important}.hero{padding:20px}.hero h1{font-size:60px}.wide{width:100%}.article-layout{display:block;padding:0}.content-section{padding-bottom:35px;break-inside:avoid}.intro{padding:40px 0}.hero-visual{aspect-ratio:2.3}.comparison input{display:none}.chart-card{break-inside:avoid}.paper-actions{display:none}}
/* Anchor offset is applied once; keep the requested heading below the sticky header. */
.section-anchor{scroll-margin-top:0}
.comparison{aspect-ratio:1400/942}
.comparison.is-portrait{aspect-ratio:3/4;max-width:540px;margin-inline:auto}
@media(max-width:700px){.comparison{aspect-ratio:1400/942}.comparison.is-portrait{aspect-ratio:3/4}}
/* Keep secondary evidence readable and chart series distinguishable. */
@media(min-width:701px){.mobile-nav,.menu-toggle{display:none!important}}
.chart-tick{fill:#736b60}.chart-legend .legend-base{background:#837f76}.chart-legend .legend-ours{background:#b65833}
.stat-baseline,.result-note,.data-details,.chart-title p,.chart-legend,.chart-insight>span{color:#736b60}
.chart-tabs button{color:#736b60}.figure-caption,.comparison-help,.provenance{color:#716e66}
@media(max-width:700px){
 .method-copy h3 br{display:block}
 .teacher-branch{display:grid;grid-template-columns:64px 18px minmax(0,1fr);gap:8px;justify-content:normal}
 .diagram-source,.diagram-source img{width:64px}.diagram-source img{height:44px}
 .teacher-branch>.diagram-plus{text-align:center}
 .teacher-branch>.diagram-arrow{grid-column:1/-1;text-align:center;font-size:0;line-height:15px}
 .teacher-branch>.diagram-arrow:after{content:'↓';font-size:20px}
 .teacher-node{grid-column:1/-1;justify-self:center;width:70%;padding:11px 16px}
 .method-diagram{padding:22px 16px 16px}
 .results-chart svg{min-height:0}.compact-chart .chart-tick{font-size:14px}
}

.dialog-status{min-height:1.8em;margin:14px 0 0;color:#5e5a52;font-size:12px;line-height:1.8}

/* English editorial copy and release destinations. */
.hero-resources{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:27px 0 0}
.resource-link{display:flex;align-items:center;gap:12px;padding:12px 18px;border:1px solid #deddd8;border-radius:8px;text-align:left;transition:background .2s,border-color .2s,transform .2s}
.resource-link:hover{background:var(--soft);border-color:#aaa59a;transform:translateY(-2px)}
.resource-icon{display:flex;align-items:center;justify-content:center;width:23px;height:23px;font-size:22px;flex-shrink:0}
.resource-icon svg{width:22px;height:22px;fill:currentColor}
.resource-icon.arxiv-icon{font-family:Georgia,serif;font-style:italic;font-size:26px}
.resource-copy{display:flex;flex-direction:column;gap:4px}
.resource-name{font-size:13px;font-weight:500;white-space:nowrap}
.resource-status{font-size:9px;color:#777168;letter-spacing:.2px;white-space:nowrap}
.hero-links{margin-top:20px}




.resource-dialog{width:510px;border-radius:8px;padding:40px}
.resource-dialog>.small-caps{color:#8b8172}
.resource-dialog h2{font-size:29px;font-weight:500;line-height:1.3;letter-spacing:-.7px;margin:16px 0}
.resource-dialog p{font-size:14px;line-height:1.8;color:#726d64;margin:0 0 27px}
.resource-dialog .button{font-size:12px}
.article-toc>a{line-height:1.5}
.teacher-node{white-space:normal;min-width:0}
.branch-label{writing-mode:horizontal-tb;letter-spacing:0;max-width:52px;line-height:1.5;flex-shrink:0}
.compare-toolbar>span{line-height:1.65}
@media(min-width:701px) and (max-width:960px){
 .header-inner{gap:24px;padding:0 25px}.desktop-nav{gap:17px}
 .method-panel{grid-template-columns:1fr}.method-copy{max-width:600px}
 .method-diagram{padding:25px 30px}.teacher-branch{justify-content:center;gap:19px}
 .teacher-node{padding:16px 18px}.prompt-stack{padding:13px 18px}
}
@media(max-width:700px){
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 .hero-resources{gap:7px;margin-top:25px}.hero-resources .resource-link{padding:11px 10px;gap:7px}
 .hero-resources .resource-icon{width:18px;height:20px;font-size:19px}.hero-resources .resource-icon svg{width:18px;height:18px}
 .hero-resources .resource-icon.arxiv-icon{font-size:22px}.hero-resources .resource-name{font-size:11px}.hero-resources .resource-status{font-size:8px}
 .hero-links{margin-top:19px}.hero-links .text-link{font-size:11px}
 .hero-visual-heading p{font-size:25px;line-height:1.3}.hero-caption p{font-size:11px;line-height:1.6}
 .intro h2,.section-heading h2,.paper-section>h2{line-height:1.22;letter-spacing:-.7px}
 .section-heading p,.prose>p{line-height:1.8}
 .pill-tabs{gap:6px}.pill-tabs button{padding:9px 12px;font-size:10px}
 .compare-toolbar{display:block}.compare-toolbar>span{display:block;max-width:100%;padding:0 0 8px}
 .toggle-button{font-size:10px;padding:5px 0}
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 .chart-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 18px}
 .chart-tabs button{font-size:10px;text-align:left;white-space:normal;line-height:1.5}
 .chart-legend{flex-wrap:wrap;gap:10px 14px}.chart-unit{font-size:8px}
 
 
 .resource-dialog{padding:34px 25px;max-width:92vw}.resource-dialog h2{font-size:25px}.resource-dialog p{font-size:13px}
 .branch-label{max-width:40px;font-size:8px}.student-branch{gap:9px;padding:14px 10px}
 .tf-supervision{font-size:8px;max-width:55px;line-height:1.4}
}
@media(max-width:360px){
 .hero-resources{gap:6px}.hero-resources .resource-link{padding:10px 8px;gap:5px}
 .hero-resources .resource-icon{width:16px}.hero-resources .resource-name{font-size:10px}
 .hero-resources .resource-status{font-size:7px}
 .hero-eyebrow{font-size:7px}
 
}
@media(prefers-reduced-motion:reduce){.resource-link:hover{transform:none}}

@media(max-width:360px){.hero-resources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.hero-resources .resource-link{flex-direction:column;text-align:center;gap:6px;padding:10px 5px}.hero-resources .resource-copy{gap:5px}.hero-resources .resource-status{font-size:8px}}

.hero h1 + .hero-subtitle{margin-top:30px}
@media(max-width:700px){.hero h1 + .hero-subtitle{margin-top:24px}}


/* Preserve the complete side-by-side video and its English prompt strip. */
.hero-video-showcase{max-width:min(1000px,calc((100svh - 160px) * 1.25))}
.hero-video-frame{overflow:hidden;border-radius:7px;background:#faf9f6}
.hero-video-frame video{display:block;width:100%;height:auto;aspect-ratio:5/4;object-fit:contain}
.hero-video-frame video:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
@media(max-width:600px){.hero-video-frame{border-radius:5px}.hero-video-showcase .figure-caption{flex-wrap:wrap;gap:2px 12px}}


/* Authors and affiliations sit beneath the project title. */
.hero-authors{max-width:1000px;margin:30px auto 0;padding:0}
.hero-authors>p{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:13px 18px;font-size:14px;line-height:1.6;margin:0 0 18px}
.hero-authors>p>a,.hero-authors>p>span{white-space:nowrap}
.hero-authors .affiliations{justify-content:center;gap:8px 22px;font-size:11px}
.hero-authors .author-notes{margin-top:12px;font-size:10px;color:#858078}
@media(max-width:1000px){.hero-authors{max-width:680px}.hero-authors>p{grid-template-columns:repeat(4,minmax(0,1fr));font-size:13px;gap:12px 16px}}
@media(max-width:700px){.hero-authors{max-width:490px;margin-top:25px}.hero-authors>p{grid-template-columns:repeat(3,minmax(0,1fr));font-size:12px;gap:11px 12px}.hero-authors .affiliations{font-size:10px;gap:6px 16px}.hero-authors .author-notes{font-size:9px}}
@media(max-width:480px){.hero-authors{max-width:340px}.hero-authors>p{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px}.hero-authors .affiliations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 8px}}


/* Layout rhythm for the author-led introduction and the current three cases. */
.hero{padding:56px 24px 38px}
.hero-eyebrow{margin-bottom:26px}
.hero h1{font-size:clamp(72px,7.4vw,104px)}
.hero h1 + .hero-subtitle{margin:24px auto 0;max-width:760px;font-size:18px;line-height:1.6;text-wrap:balance}
.hero-authors{max-width:920px;margin-top:24px}
.hero-authors>p{gap:10px 14px;margin-bottom:16px}
.hero-authors .author-notes{margin-top:10px}
.hero-resources{margin-top:24px}
.hero-video-showcase{max-width:min(960px,calc((100svh - 144px) * 1.25))}
.intro{padding:76px 0 88px}
.article-layout{max-width:1280px;grid-template-columns:148px minmax(0,880px);gap:48px;padding-inline:32px}
.content-section{padding-bottom:96px}
.section-heading h2{font-size:40px;line-height:1.25;letter-spacing:-1.2px}
.section-heading p{line-height:1.8}
.section-number{margin-bottom:20px}
#results{padding-bottom:64px}
.result-note{margin-bottom:0}
.site-footer{max-width:1136px}
.footer-bottom{font-size:12px;gap:24px;flex-wrap:wrap}
.footer-bottom a{padding-block:10px}

/* A shared surface keeps images, instructions, and turn controls together. */
#case-panel{padding:20px;background:#faf9f6;border:1px solid #eeece7;border-radius:12px}
.compare-toolbar{font-size:12px;padding-bottom:16px;gap:24px}
.compare-toolbar>span{max-width:65%}
.toggle-button{font-size:12px;min-height:40px;flex-shrink:0}
.comparison{width:100%;max-width:min(840px,calc(clamp(360px,64svh,560px) * 1400 / 942));margin-inline:auto}
.edit-instruction{min-height:84px;gap:16px;padding:18px 0;align-items:flex-start}
.edit-instruction .dark-tag{padding-top:6px}
.edit-instruction p{font-size:14px;line-height:1.65}
.edit-instruction .icon-button{flex-shrink:0;width:36px;height:36px;margin-top:-4px}
.turn-selector{gap:8px}
.turn-selector button{opacity:.72;border-radius:6px}
.turn-selector button img{aspect-ratio:1400/942;object-fit:contain;background:#eeece6}
.turn-selector button span{font-size:10px}
.comparison-help{font-size:11px;justify-content:center;margin:16px 0 0}
.comparison-help>span:last-child{text-align:center}
.method-copy p{font-size:14px;line-height:1.8}
.method-bottom{font-size:12px;line-height:1.8}

@media(min-width:701px){
 .header-inner{max-width:1280px}
 .desktop-nav{margin-left:auto}
 .header-actions{display:none}
 #case-panel[data-case="forest-portrait"]{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);column-gap:24px;align-items:start}
 #case-panel[data-case="forest-portrait"] .compare-toolbar{grid-column:1/-1}
 #case-panel[data-case="forest-portrait"] .comparison{grid-column:1;grid-row:2/5;aspect-ratio:1184/1760;max-width:min(380px,calc(clamp(360px,64svh,560px) * 1184 / 1760))}
 #case-panel[data-case="forest-portrait"] .edit-instruction{grid-column:2;display:grid;grid-template-columns:1fr auto;gap:10px;padding-top:0;min-height:0}
 #case-panel[data-case="forest-portrait"] .edit-instruction p{grid-column:1/-1;grid-row:2}
 #case-panel[data-case="forest-portrait"] .edit-instruction .icon-button{grid-column:2;grid-row:1}
 #case-panel[data-case="forest-portrait"] .turn-selector{grid-column:2;grid-template-columns:repeat(4,minmax(0,1fr))}
 #case-panel[data-case="forest-portrait"] .turn-selector button img{aspect-ratio:1184/1760}
 #case-panel[data-case="forest-portrait"] .comparison-help{grid-column:2;align-self:start}
}
@media(min-width:701px) and (max-width:1100px){
 .article-layout{display:block;max-width:920px;padding-inline:32px}
 .article-toc{display:none}
 .hero-authors{max-width:700px}
 .hero-authors>p{grid-template-columns:repeat(4,minmax(0,1fr))}
 .method-panel{grid-template-columns:1fr;gap:24px}
}
@media(max-width:700px){
 .hero{padding:34px 20px 28px}
 .hero-eyebrow{font-size:8px;margin-bottom:22px}
 .hero h1{font-size:clamp(42px,10.8vw,74px);letter-spacing:-2.5px}
 .hero h1 + .hero-subtitle{font-size:14px;line-height:1.55;max-width:480px;margin-top:22px}
 .hero-subtitle .mobile-break{display:none}
 .hero-authors{margin-top:22px;max-width:490px}
 .hero-authors>p{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 7px;font-size:11.5px;line-height:1.7;margin-bottom:16px}
 .hero-authors .affiliations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 10px;font-size:10px;line-height:1.7}
 .hero-authors .author-notes{font-size:9px;line-height:1.8;text-wrap:balance}
 .hero-resources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;max-width:400px;margin:22px auto 0}
 .hero-resources .resource-link{padding:12px 6px;gap:7px;justify-content:center;min-height:54px}
 .hero-resources .resource-name{font-size:11px}
 .hero-resources .resource-status{font-size:9px}
 .hero-video-showcase{width:calc(100% - 32px);max-width:600px}
 .intro{padding:52px 0 64px;width:calc(100% - 40px)}
 .intro h2,.section-heading h2{font-size:30px;line-height:1.2}
 .prose>p,.section-heading p{font-size:14px;line-height:1.8}
 .intro-note p{font-size:12px;line-height:1.7}
 .article-layout{display:block;padding-inline:20px}
 .article-toc{display:none}
 .content-section{padding-bottom:64px}
 .section-number{font-size:10px;margin-bottom:16px}
 .pill-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:16px}
 .pill-tabs button{font-size:11px;line-height:1.3;padding:11px 7px;min-height:42px}
 #case-panel{padding:12px;border-radius:9px}
 .compare-toolbar{font-size:11px;padding-bottom:12px}
 .compare-toolbar>span{max-width:none;padding:0 0 4px}
 .toggle-button{font-size:12px;min-height:40px}
 .comparison{max-width:100%;border-radius:4px}
 #case-panel[data-case="forest-portrait"] .comparison{aspect-ratio:1184/1760;max-width:360px}
 .compare-label{font-size:10px;padding:6px 8px;top:10px}
 .compare-label-left{left:8px}.compare-label-right{right:8px}
 .edit-instruction{display:grid;grid-template-columns:1fr auto;gap:6px;padding:14px 0 16px;min-height:108px}
 .edit-instruction .dark-tag{font-size:10px;padding-top:6px}
 .edit-instruction p{grid-column:1/-1;grid-row:2;font-size:13px;line-height:1.65}
 .edit-instruction .icon-button{grid-column:2;grid-row:1;width:36px;height:32px;font-size:22px}
 .turn-selector{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
 .turn-selector button img{aspect-ratio:4/3;object-fit:contain}
 .turn-selector button span{font-size:10px;left:4px;bottom:4px;padding:2px 4px}
 .comparison-help{font-size:10px;margin-top:14px;line-height:1.6}
 .method-tabs{gap:16px;margin-top:24px}
 .method-tab{font-size:12px;line-height:1.5;text-align:left}
 .method-copy p{font-size:14px;line-height:1.8}
 .method-focus,.method-bottom{font-size:11px;line-height:1.8}
 .method-diagram{padding:20px 12px 16px}
 .rollout{min-width:0;flex:1;gap:6px}
 .rollout-node{min-width:0;flex:1}
 .rollout-node img{width:100%;height:auto;aspect-ratio:1400/942}
 .stat-label,.stat-baseline{font-size:11px;line-height:1.5}
 .chart-card{padding:20px 14px;margin:0}
 .chart-title h3{font-size:18px}
 .chart-title p{font-size:10px}
 .model-select-label select{font-size:11px;max-width:140px;min-height:40px;padding-left:8px}
 .chart-tabs button{font-size:12px;min-height:40px}
 .chart-legend{font-size:10px}
 .chart-unit{font-size:9px}
 .chart-insight{font-size:13px}
 .chart-insight>span,.data-details{font-size:11px}
 .data-details summary{padding-block:8px}
 .result-note{font-size:11px;line-height:1.8}
 #results{padding-bottom:48px}
 .site-footer{width:calc(100% - 40px);padding:28px 0 24px}
 .footer-top{padding-bottom:22px}
 .footer-bottom{font-size:12px;gap:4px 20px}
 .footer-bottom>span{font-size:11px;margin-bottom:4px}
}
@media(max-width:359px){
 .hero-authors>p{grid-template-columns:repeat(2,minmax(0,1fr));font-size:12px}
 .hero-resources .resource-link{flex-direction:column;gap:6px;text-align:center}
 .hero-resources .resource-copy{gap:4px}
 .hero-eyebrow{font-size:7px;letter-spacing:.7px}
 .pill-tabs button{font-size:10px;padding-inline:4px}
 .chart-controls{flex-wrap:wrap}
 .method-tab{font-size:11px}
}