/* Personal site / microgrid visual family · 2026-10-24 */
:root{--color-primary:#174c3c;--color-primary-rgb:23,76,60;--color-accent:#28654e;--color-accent-rgb:40,101,78;--color-white:#fff;--color-light-blue:#eaf0e8;--color-light-green:#eaf0e8;--color-dark-text:#213c32;--color-gray:#596b61;--color-light-gray:#f7f8f2;--color-border:#d9e1d6;--color-shadow:transparent;--font-primary:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Noto Sans JP",sans-serif;--container-max:1160px;--container-pad:28px;--nav-height:112px;--page-bg:#f7f8f2;--surface:#fff;--button-text:#fff;--border-radius:4px}
:root[data-home-theme=night]{color-scheme:dark;--color-primary:#a8d3b5;--color-primary-rgb:168,211,181;--color-accent:#a8d3b5;--color-accent-rgb:168,211,181;--color-white:#182b23;--color-light-blue:#22392e;--color-light-green:#22392e;--color-dark-text:#e4ede3;--color-gray:#b5c6b8;--color-light-gray:#11251d;--color-border:#385044;--page-bg:#11251d;--surface:#182b23;--button-text:#11251d}
html{scroll-padding-top:132px}body{background:var(--page-bg);color:var(--color-dark-text);font-family:var(--font-primary);line-height:1.8}a{color:var(--color-primary)}button{font-family:inherit}img{max-width:100%}.section{padding:76px 0;background:var(--page-bg)}.fade-in{opacity:1;transform:none;transition:none}.home-skip{position:absolute;left:20px;top:-80px;z-index:2000;padding:8px 16px;background:var(--surface)}.home-skip:focus{top:10px}:focus-visible{outline:2px solid var(--color-primary);outline-offset:4px}
.navbar,.navbar.nav-scrolled{position:sticky;top:0;height:auto;background:var(--page-bg);color:var(--color-dark-text);border-bottom:1px solid var(--color-border);box-shadow:none;backdrop-filter:none}.nav-container{display:block;height:auto}.identity-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 0 11px}.nav-logo,.nav-logo:hover{font-size:18px;color:var(--color-primary);letter-spacing:.03em}.nav-logo span{font-size:12px;letter-spacing:.02em;font-weight:500;margin-left:10px}.home-preferences{display:flex;gap:10px;align-items:center}.compact-switch{display:flex;gap:2px;padding:2px;border:1px solid var(--color-border);border-radius:4px}.compact-switch button,.compact-switch .lang-btn{height:26px;min-width:0;font-size:11px;line-height:1;padding:0 8px;margin:0;border:0;border-radius:2px;background:transparent;color:var(--color-gray);cursor:pointer;font-weight:500}.compact-switch button[aria-pressed=true],.compact-switch .lang-btn.active{background:var(--color-primary);color:var(--button-text)}.nav-menu{position:static;display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:28px;width:auto;height:auto;max-height:none;padding:0 0 11px;margin:0;background:transparent;box-shadow:none;transform:none;overflow-x:auto;list-style:none;white-space:nowrap}.nav-menu li{margin:0;border:0}.nav-link,.nav-link:hover,.nav-link.active{display:block;font-size:12px;padding:2px 0;color:var(--color-gray)}.nav-link.active,.nav-link:hover{color:var(--color-primary)}.nav-link:after{height:1px}.personal-hero{padding:70px 0 76px;border-bottom:1px solid var(--color-border)}.personal-hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center}.section-kicker{font-size:10px;letter-spacing:.16em;color:var(--color-primary);font-weight:650;margin:0 0 22px}.personal-hero h1{font-size:58px;line-height:1.18;color:var(--color-primary);letter-spacing:.025em;margin:0}.roman-name{font-size:17px;letter-spacing:.035em;margin:12px 0 8px;color:var(--color-gray)}html[lang=en] .roman-name{display:none}.personal-position{font-size:13px;margin:0 0 28px;color:var(--color-gray)}.personal-tagline{font-size:25px;line-height:1.6;margin:0 0 14px;font-weight:650;color:var(--color-primary)}.personal-summary{font-size:16px;color:var(--color-gray);max-width:38em;margin:0 0 27px}.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.editorial-button{display:inline-flex;align-items:center;gap:24px;background:var(--color-primary);color:var(--button-text);padding:10px 16px;border:1px solid var(--color-primary);border-radius:3px;font-size:13px}.editorial-button:hover{background:var(--surface);color:var(--color-primary)}.editorial-link{font-size:13px;font-weight:600;display:inline-flex;gap:12px;align-items:center;border-bottom:1px solid var(--color-border);padding:3px 0}.editorial-link:hover{border-color:var(--color-primary)}.personal-portrait{margin:0}.personal-portrait img{display:block;width:100%;height:auto;border-radius:3px}.personal-portrait figcaption{font-size:10px;letter-spacing:.08em;text-align:right;color:var(--color-gray);margin-top:10px}.editorial-heading{font-size:32px;line-height:1.45;color:var(--color-primary);font-weight:650;margin:0 0 18px}.section-intro{max-width:740px;color:var(--color-gray);font-size:15px;margin:0 0 35px}.focus-grid,.paper-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.focus-grid article{padding:22px 0;border-top:1px solid var(--color-border);display:flex;flex-direction:column;align-items:flex-start}.index-number{font-size:12px;letter-spacing:.1em;color:var(--color-gray)}.focus-grid h3,.paper-grid h3{font-size:21px;color:var(--color-primary);line-height:1.55;margin:15px 0 12px}.focus-grid p{font-size:14px;color:var(--color-gray);margin:0 0 20px}.focus-grid .editorial-link{margin-top:auto}.specialties-details{margin-top:20px;border-top:1px solid var(--color-border);padding-top:15px}.specialties-details summary{cursor:pointer;font-size:13px;color:var(--color-gray)}.research-grid{margin-top:24px}.research-card,.project-card,.timeline-content,.teaching-block,.media-card{box-shadow:none;border-radius:4px}.research-card:hover,.project-card:hover,.media-card:hover{transform:none;box-shadow:none}.highlights-section{background:var(--color-light-blue)}.highlights-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.feature-story{min-width:0;background:var(--surface);border:1px solid var(--color-border);border-radius:4px;overflow:hidden;display:flex;flex-direction:column}.feature-story>a{display:block}.feature-story img{width:100%;aspect-ratio:1.5;object-fit:cover;display:block}.feature-story-body{padding:25px 28px 30px;display:flex;flex:1;flex-direction:column;align-items:flex-start}.feature-role{font-size:11px;letter-spacing:.04em;color:var(--color-gray);margin:0 0 8px}.feature-story h3{font-size:23px;line-height:1.55;color:var(--color-primary);margin:0 0 14px}.feature-story-body>p:not(.feature-role){font-size:14px;color:var(--color-gray);margin:0 0 23px}.feature-story .editorial-link{margin-top:auto}.paper-grid article{border-top:1px solid var(--color-border);padding-top:20px;display:flex;flex-direction:column;align-items:flex-start}.paper-journal{font-size:11px;letter-spacing:.04em;color:var(--color-gray)}.paper-title{font-size:13px;line-height:1.85;margin:0 0 20px;color:var(--color-gray)}.paper-grid .editorial-link{margin-top:auto}.record-intro{padding-bottom:32px;border-top:1px solid var(--color-border)}.record-section{padding:0}.record-details{border-bottom:1px solid var(--color-border)}.record-details>summary{cursor:pointer;display:flex;gap:20px;align-items:center;padding:22px 0;list-style:none}.record-details>summary::-webkit-details-marker{display:none}.record-details>summary:after{content:'+';font-size:22px;font-weight:400;color:var(--color-primary)}.record-details[open]>summary:after{content:'−'}.record-details>summary h2{font-size:19px;line-height:1.6;text-align:left;letter-spacing:0;font-weight:600;margin:0;padding:0;color:var(--color-primary);flex:1}.record-details>summary h2:after{display:none}.record-hint{font-size:11px;color:var(--color-gray)}.record-details[open] .record-hint{visibility:hidden}.record-content{padding:20px 0 45px}.record-content .about-intro{font-size:16px}.record-content a{overflow-wrap:anywhere}.record-content .section-title{text-align:left}.contact-section{margin-top:65px;border-top:1px solid var(--color-border)}.contact-section .editorial-link{margin-bottom:30px}.contact-grid{margin-top:10px}.contact-link-btn{box-shadow:none;font-size:13px}.footer{background:var(--color-primary);color:var(--button-text);padding:25px 0}.footer a{color:inherit}.footer .container{gap:15px;flex-wrap:wrap}.footer p{font-size:11px}.back-to-top{background:var(--color-primary);color:var(--button-text)}
@media(min-width:1200px){.personal-hero{min-height:570px}}
@media(max-width:800px){.personal-hero-grid{gap:32px}.personal-hero h1{font-size:43px}.personal-tagline{font-size:21px}.focus-grid,.paper-grid{gap:22px}.focus-grid h3,.paper-grid h3{font-size:18px}.feature-story h3{font-size:20px}.feature-story-body{padding:22px}.identity-row{gap:10px}.nav-logo span{display:none}.nav-menu{gap:24px}.home-preferences{gap:6px}}
@media(max-width:600px){:root{--container-pad:22px}.section{padding:48px 0}.identity-row{padding-top:12px;flex-wrap:wrap}.nav-logo{font-size:17px}.home-preferences{gap:5px}.compact-switch button,.compact-switch .lang-btn{font-size:10px;padding:0 5px;height:26px}.nav-menu{gap:22px;padding:3px 0 10px}.nav-link{font-size:11px}.personal-hero-grid{grid-template-columns:1fr;gap:32px}.personal-hero h1{font-size:46px}.personal-position{margin-bottom:22px}.personal-tagline{font-size:23px}.personal-summary{font-size:15px}.personal-portrait{max-width:480px}.hero-actions{gap:18px}.section-kicker{font-size:9px;margin-bottom:17px}.editorial-heading{font-size:26px}.section-intro{font-size:14px;margin-bottom:25px}.focus-grid,.paper-grid,.highlights-grid{grid-template-columns:1fr;gap:25px}.focus-grid article{padding:15px 0}.focus-grid h3,.paper-grid h3{font-size:21px}.record-intro{padding-bottom:25px}.record-section{padding:0}.record-details>summary{gap:10px}.record-details>summary h2{font-size:17px}.record-hint{display:none}.record-content{padding-bottom:30px}.contact-section{margin-top:45px}.contact-grid{grid-template-columns:1fr}.contact-item{min-width:0;overflow-wrap:anywhere}.contact-link-btn{padding:12px 15px}.footer .container{align-items:flex-start}.research-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
main>.section:nth-child(n){background:var(--page-bg)}main>.highlights-section:nth-child(n){background:var(--color-light-blue)}

@media(max-width:350px){html{scroll-padding-top:170px}}
/* Research engagement: static local images, no social embeds. */
.engagement-home-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.engagement-home-grid .feature-story img{aspect-ratio:16/9;height:auto;object-fit:cover}.engagement-home-grid .feature-story h3{font-size:22px;line-height:1.45}.engagement-home-grid .feature-story-body{padding:24px}.engagement-all{margin-top:28px;display:inline-flex}@media(max-width:700px){.engagement-home-grid{grid-template-columns:1fr}}
/* Preserve the full user-selected EPRI portrait within the card. */
.engagement-home-grid img[src*="epri-personal"]{object-fit:contain;background:var(--color-light-blue)}
.engagement-home-grid img[src*="curent-talk"]{object-fit:contain;background:var(--color-light-blue)}
.engagement-home-grid img[src*="summit-talk"]{object-fit:contain;background:var(--color-light-blue)}