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@media(max-width:380px){h1{font-size:42px;letter-spacing:-2.9px}.hero-subtitle{font-size:15px}.resource{padding:8px 10px;font-size:9px}.resource small{font-size:7px}.resources{gap:5px}.film-story{font-size:7px;max-width:160px}.nav-inner{gap:13px}.site-nav nav{gap:13px}.metrics strong{font-size:25px}.metrics span{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Readable typography aligned with the PRISM project page. */
body{font-size:18px;line-height:1.8}
.site-nav nav a{font-size:15px}.nav-cta{font-size:14px}.nav-brand{font-size:19px}
.research-hero{padding-top:30px}.logo-strip{margin:0 auto 37px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.logo-strip .institution-logos{max-width:1000px;margin:0 auto;gap:42px}.logo-strip .institution-logos a{max-width:155px;height:48px}.logo-strip .institution-logos img{max-height:44px;opacity:1}
.hero-kicker{font-size:13px}.hero-subtitle{font-size:26px}
.research-team{padding:25px 0 0}.authors{font-size:21px;font-weight:600;gap:8px 22px;line-height:1.8;max-width:1050px}.authors>span{flex:0 0 calc(20% - 19px)}.authors sup{font-size:12px;color:#6d6379}
.affiliations{font-size:17px;font-weight:500;color:#766b80;gap:4px 20px;line-height:1.8;margin-top:16px}.affiliations sup{font-size:12px}
.resources{margin-top:25px}.resource{font-size:16px;padding:10px 23px}.resource small{font-size:12px}.resource svg{width:18px;height:18px}
.channel-label{font-size:12px}.film-story{font-size:16px}.film-controls>div{font-size:13px}#film-toggle{font-size:14px;width:32px;height:32px}
.fact-label{font-size:13px}.research-facts strong{font-size:23px}.research-facts p{font-size:16px}
.contents-label{font-size:12px}.quicknav a{font-size:15px}.quicknav{gap:22px}.section-nav>.container{gap:20px}
h2,.reading h2{font-size:32px;line-height:1.35;letter-spacing:-.7px}h3{font-size:21px;line-height:1.5}
.eyebrow{font-size:14px}.number{font-size:14px;line-height:1.7}
p,.explanation,.reading p,.contributions p,.method-copy p,.training p,.rollout-block>p,#scope p{font-size:18px;line-height:1.8;color:#706579}
figcaption,.gallery-panel figcaption,.ablation-grid figcaption{font-size:17px;line-height:1.8;color:#7e7089}
.method-copy h3,.training h3{font-size:21px}.training .number{font-size:14px}
.metrics strong{font-size:40px}.metrics span{font-size:16px}.table-note{font-size:15px;line-height:1.8;color:#877491}
table,.control-table{font-size:16px;line-height:1.6}thead th,.control-table thead th{font-size:14px}td small,.control-table td small{font-size:12px}.ours-tag{font-size:11px}
th,td,.control-table td,.control-table th{padding:12px 14px}.control-table{min-width:1080px}
.gallery-tab{font-size:16px;padding:10px 20px}.demo-heading h3{font-size:21px}.demo-heading .number{font-size:13px}.option{font-size:15px}.video-caption{font-size:15px}
.rollout-block>h3{font-size:24px}.ablation-grid{gap:26px}.ablation-grid figcaption strong{font-size:18px}
.cite-head h2{font-size:32px}.copy{font-size:15px}pre{font-size:14px;line-height:1.8}#copy-status,.citation-download{font-size:15px}
footer>.container{font-size:15px}footer strong{font-size:18px}.dialog-bar,.dialog-bar button{font-size:14px}
@media(max-width:1000px){.contents-label{display:none}.quicknav{gap:24px}.authors>span{flex:0 0 calc(25% - 18px)}.logo-strip .institution-logos{gap:27px}.research-facts>div{padding:0 17px}.research-facts strong{font-size:21px}.fact-label{font-size:12px}.research-facts p{font-size:15px}.ablation-grid{grid-template-columns:1fr;gap:32px}.ablation-grid .figure-zoom{max-width:650px;margin:auto}}
@media(max-width:700px){body{font-size:17px}.nav-brand{font-size:16px}.site-nav nav a{font-size:13px}.nav-cta{font-size:12px}.site-nav nav{gap:14px}.nav-inner{gap:14px}.research-hero{padding-top:24px}.logo-strip{margin-bottom:28px;padding-bottom:23px}.logo-strip .institution-logos{display:grid;grid-template-columns:repeat(6,1fr);gap:14px 20px;max-width:390px}.logo-strip .institution-logos a{grid-column:span 2;max-width:100%;width:100%;height:34px}.logo-strip .institution-logos a:nth-child(4){grid-column:2/span 2}.logo-strip .institution-logos a:nth-child(5){grid-column:4/span 2}.logo-strip .institution-logos img{max-height:34px}.hero-kicker{font-size:10px;letter-spacing:1px}.hero-subtitle{font-size:20px;line-height:1.55}.research-team{padding-top:21px}.authors{font-size:18px;gap:7px 10px}.authors>span{flex:0 0 calc(50% - 7px)}.authors sup{font-size:11px}.affiliations{font-size:16px;line-height:1.75;gap:3px 10px;margin-top:15px}.affiliations span{white-space:normal}.affiliations sup{font-size:11px}.resources{gap:8px}.resource{font-size:15px;padding:9px 16px}.resource small{font-size:11px}.resource svg{height:16px;width:16px}.hero-film{margin-top:29px}.channel-label{font-size:8px;letter-spacing:.5px}.film-story{font-size:12px;max-width:200px}.film-controls>div{font-size:10px}.film-controls{gap:8px}#film-toggle{font-size:12px;width:27px;height:27px}.fact-label{font-size:11px}.research-facts strong{font-size:19px}.research-facts p{font-size:14px;line-height:1.7}.quicknav a{font-size:14px}.quicknav{gap:24px}.section-nav>.container{min-height:53px}h2,.reading h2{font-size:27px;line-height:1.4}h3,.method-copy h3,.training h3{font-size:20px}.eyebrow,.number,.training .number{font-size:12px;letter-spacing:1px}p,.explanation,.reading p,.contributions p,.method-copy p,.training p,.rollout-block>p,#scope p{font-size:17px;line-height:1.8}figcaption,.gallery-panel figcaption,.ablation-grid figcaption{font-size:16px;line-height:1.8}.table-scroll table{font-size:15px;min-width:740px}.control-table{font-size:15px!important;min-width:1130px!important}thead th,.control-table thead th{font-size:13px}td small,.control-table td small{font-size:11px}.table-note{font-size:14px;line-height:1.8}.metrics strong{font-size:29px}.metrics span{font-size:14px;line-height:1.6}.gallery-tab{font-size:15px;padding:9px 14px}.task-tabs button{font-size:14px;padding:9px 7px}.demo-heading h3{font-size:20px}.demo-heading .number{font-size:12px}.option{font-size:14px;padding:7px 12px}.video-caption{font-size:14px}.rollout-block>h3{font-size:22px}.ablation-grid figcaption strong{font-size:18px}.cite-head h2{font-size:27px}.copy{font-size:14px}pre{font-size:12px;line-height:1.8}.citation-download,#copy-status{font-size:14px}footer>.container{font-size:14px}footer strong{font-size:17px}.dialog-bar,.dialog-bar button{font-size:12px}}
@media(max-width:380px){.nav-inner{gap:9px;padding:0 13px}.site-nav nav a{font-size:12px}.nav-brand{font-size:15px}.nav-cta{font-size:11px}.brand-symbol{margin-right:3px}.hero-subtitle{font-size:18px}.authors{font-size:17px}.resource{font-size:14px;padding:9px 13px}.metrics span{font-size:13px}.hero-kicker{font-size:9px}.film-story{font-size:11px;max-width:172px}}
@media(max-width:700px){.site-nav nav a:nth-child(2){display:none}.nav-inner{gap:12px}.nav-cta{flex-shrink:0}}
/* Stronger chapter labels for quick scanning. */
main .eyebrow,main .appendix-kicker{display:flex;align-items:center;gap:13px;font-size:22px;font-weight:700;line-height:1.4;letter-spacing:1.6px;color:#78579c;margin-bottom:20px;text-align:left}
main .eyebrow::before,main .appendix-kicker::before{content:"";display:block;width:25px;height:3px;background:linear-gradient(90deg,#79a0d7,#9769bf);border-radius:3px;flex-shrink:0}
@media(max-width:700px){main .eyebrow,main .appendix-kicker{font-size:18px;letter-spacing:1.1px;gap:10px;margin-bottom:17px}main .eyebrow::before,main .appendix-kicker::before{width:20px}}

/* Purpose-drawn vector identity and self-contained university color. */
.nav-brand{display:inline-flex;align-items:center;gap:10px}.brand-symbol{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;margin:0;vertical-align:0;flex-shrink:0}.brand-symbol>svg{display:block;width:100%;height:100%}.institution-logos .logo-zju img,.institution-logos img.zju{filter:none}
@media(max-width:700px){.nav-brand{gap:7px}.brand-symbol{width:27px;height:27px}}

/* Resource availability: purple links and white forthcoming releases. */
.resources a.resource{background:#7650b4;color:#fff;border-color:#7650b4;box-shadow:0 4px 13px #7350b611}
.resources a.resource:hover{background:#6540a1;border-color:#6540a1;text-decoration:none}
.resources button.resource[disabled]{background:#fff;color:#85858d;border-color:#dedee7;box-shadow:none;cursor:default}
.resources button.resource[disabled]:hover{background:#fff;transform:none}
.resources .arxiv-resource img{display:block;width:56px;height:24px;object-fit:contain;filter:none;opacity:1}