:root{--ink:#213b34;--muted:#61736a;--green:#285b52;--sidebar:#183a3a;--paper:#fafbf8;--line:#dfe7df;--side-width:280px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:30px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI",Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #548a6e;outline-offset:4px}[hidden]{display:none!important}::selection{background:#cee4d5;color:#183a3a}
.skip-link{position:fixed;top:-100px;left:20px;padding:10px 20px;background:white;color:var(--green);z-index:20}.skip-link:focus{top:10px}
.sidebar{width:var(--side-width);position:fixed;left:0;top:0;height:100dvh;background:var(--sidebar);color:#eff4ed;padding:30px 28px 24px;display:flex;flex-direction:column;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#44635d transparent}
.sidebar-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.wordmark{font-family:Georgia,serif;font-size:27px;line-height:1}.wordmark span{font-family:"Segoe UI",sans-serif;font-size:11px;letter-spacing:1.6px;color:#bad0c5}.status-dot{width:6px;height:6px;border-radius:50%;background:#b7dac4;box-shadow:0 0 0 4px #b7dac40c}
.portrait-wrap{position:relative;flex-shrink:0;width:100%;max-width:190px;margin:0 auto}.portrait-wrap img{display:block;width:100%;height:auto;aspect-ratio:224/250;object-fit:cover;object-position:center 30%;border-radius:8px}.portrait-caption{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:#b6cfc4;font-size:10px;letter-spacing:1px}
.identity{margin-top:23px}.identity h1{font-family:Georgia,"Songti SC",serif;font-size:36px;letter-spacing:-.6px;line-height:1.2;margin:0 0 13px}.profile-field{font-size:14px;line-height:1.75;color:#c5d7cd;margin:5px 0;white-space:pre-line}
.profile-links{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 24px}.profile-links a,.profile-links .email-copy{display:flex;gap:7px;align-items:center;font-size:12px;border:1px solid #ffffff33;border-radius:6px;padding:6px 9px;transition:background .2s}.profile-links a:hover,.profile-links .email-copy:hover{background:#ffffff12}.profile-links svg{width:15px;height:15px;fill:currentColor;flex-shrink:0}.profile-links .email-copy{width:100%;font-size:13px;border-color:transparent;padding:3px 0;color:#d2e4d9;overflow-wrap:anywhere}
.profile-links .email-copy{background:transparent;text-align:left;line-height:inherit}.email-copy>span{min-width:0}.profile-links .copy-icon{width:13px;height:13px;margin-left:auto;fill:none;opacity:.6}.email-copy:hover .copy-icon,.email-copy:focus-visible .copy-icon{opacity:1}
.copy-status{position:fixed;bottom:24px;left:50%;transform:translate(-50%,8px);max-width:calc(100vw - 32px);padding:11px 18px;border-radius:8px;background:var(--sidebar);color:#eff4ed;font-size:14px;line-height:1.6;overflow-wrap:anywhere;box-shadow:0 4px 18px #122b2430;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.copy-status.is-visible{opacity:1;transform:translate(-50%,0)}
.section-nav{border-top:1px solid #ffffff24;padding-top:14px;display:grid;gap:3px}.section-nav a{display:flex;align-items:center;gap:12px;font-size:14px;padding:8px 10px;margin-left:-10px;margin-right:-10px;color:#c5d7cd;position:relative;border-radius:6px;transition:background .2s}.section-nav a span{font-family:monospace;font-size:11px;color:#95b7a8}.section-nav b{font-weight:400}.section-nav a:hover,.section-nav a.active{color:#fff;background:#ffffff0d}.section-nav a.active:after{content:'';width:5px;height:5px;border-radius:50%;background:#c3dfce;margin-left:auto}
.sidebar-bottom{padding-top:28px;margin-top:auto;color:#acc8b9;font-size:11px;display:flex;flex-direction:column;gap:8px;letter-spacing:.3px}
main{margin-left:var(--side-width);max-width:1240px;padding:0 56px}.topbar{min-height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.eyebrow{font-size:12px;letter-spacing:1.3px;color:var(--muted)}.language-switch{display:flex;align-items:center;gap:10px;color:#99a89d;font-size:14px;flex-shrink:0}.language-switch button{border:0;background:none;color:#65796c;font-size:14px;padding:8px 4px}.language-switch button[aria-pressed=true]{color:var(--ink);font-weight:700}.language-switch button:hover{color:var(--green)}
section{padding:48px 0;border-bottom:1px solid var(--line)}.about-section{padding:44px 0}.section-kicker{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--green)}.section-kicker>span:first-child{font-family:monospace;color:#718675}
.hero-title{font-family:Georgia,"Songti SC",SimSun,serif;font-size:46px;font-weight:400;line-height:1.3;letter-spacing:-1px;margin:22px 0 8px}.hero-title span{font-family:Georgia,serif;font-size:25px;color:#648071;letter-spacing:0;margin-left:18px}html[lang=zh-CN] .hero-title{letter-spacing:1px}
.about-position{font-size:16px;color:#466958;margin:0 0 25px}.about-copy{max-width:940px;font-size:17px;color:#354e42;line-height:1.95}.about-copy p{margin:0 0 18px}.about-copy strong{font-weight:650;color:var(--ink)}.pending-inline{font-size:13px;color:var(--muted)}
.research-topics{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0 0}.research-topics span{padding:5px 13px;background:#edf3e9;border:1px solid #dbe6d5;border-radius:5px;font-size:13px;color:#3f654b}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:27px}.section-heading h2{display:flex;align-items:center;gap:16px;font-size:27px;line-height:1.4;letter-spacing:-.4px;margin:0}.section-heading h2 span{font-family:monospace;font-weight:400;font-size:13px;color:#758a78;letter-spacing:0}.section-heading h2 b{font-weight:600}.section-note{font-size:12px;color:#687e6b;letter-spacing:.1px}.section-intro{font-size:14px;color:#657a68;margin:-8px 0 25px}
.news-item{display:grid;grid-template-columns:82px minmax(0,1fr);align-items:start;gap:18px;padding:15px 0;border-bottom:1px solid #e5ece1}.news-item:first-child{padding-top:0}.news-item:last-child{border-bottom:0;padding-bottom:0}.news-date{font-size:13px;font-family:monospace;color:#627e68;white-space:nowrap;padding-top:3px}.news-body{font-size:16px;line-height:1.85;color:#354e40;min-width:0;overflow-wrap:anywhere}.news-body a{font-size:inherit;line-height:inherit}.news-body a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}.news-paper-link{font-weight:650;color:#285b52}.news-icon{font-size:17px;display:inline-block;margin-right:3px}.news-tag{font-size:12px;color:#63806a}.news-more{margin-top:20px;border:1px solid #cbdac8;color:#365d40;background:#f2f6ee;padding:7px 15px;font-size:14px;border-radius:6px}.news-more:hover{background:#e8f0e2}
.publication-years{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin:0 0 30px;font-size:13px}.publication-years>span{margin-right:auto;color:#526e59}.publication-years a{padding:5px 12px;border:1px solid #d5e1cf;border-radius:5px;color:#406446;background:#fff}.publication-years a:hover{background:#e9f1e3}
.publication-year{display:grid;grid-template-columns:52px minmax(0,1fr);gap:24px}.year-label{font-family:Georgia,serif;font-size:25px;color:#597b60;padding-top:3px}.year-papers{min-width:0}.publication-year+.publication-year{margin-top:38px}
.paper{display:grid;grid-template-columns:220px minmax(0,1fr);align-items:start;column-gap:28px;margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--line)}.paper:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}.paper-visual{grid-column:1;grid-row:1;align-self:start;min-width:0}.paper-details{grid-column:2;grid-row:1;min-width:0;display:flex;flex-direction:column;align-items:stretch;overflow-wrap:anywhere}
.figure-button,.figure-placeholder{height:auto;aspect-ratio:4/3;width:100%;border:1px solid #d9e4d4;border-radius:8px;background:#fff}.figure-button{display:block;padding:9px;position:relative;overflow:hidden;cursor:zoom-in;box-shadow:0 3px 12px #244b3110}.figure-button img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .25s}.figure-button:hover img{transform:scale(1.035)}.zoom-label{position:absolute;right:5px;bottom:4px;font-size:14px;padding:0 4px;color:#456d53;background:#f7faf4eb;border-radius:3px}.figure-placeholder{border-style:dashed;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#71896e;font-size:13px;text-align:center;padding:8px}.figure-placeholder>span:first-child{font-size:28px}.demo-link{display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;color:#496e52;margin-top:10px}.demo-link:hover{color:var(--ink)}
.paper h3{font-size:19px;font-weight:650;line-height:1.5;margin:0 0 12px;letter-spacing:-.1px}.paper h3 a:hover{color:var(--green)}.authors,.author-details{font-size:14px;line-height:1.8;color:#546a5b;margin:0 0 13px}.authors strong,.author-details strong{color:#2c5139;font-weight:700}.author-details summary{cursor:pointer;list-style:none}.author-details summary::-webkit-details-marker{display:none}.author-details summary span{display:inline-block;color:#386d56;font-size:12px;padding-left:4px;text-decoration:underline;text-underline-offset:3px}.author-details p{font-size:13px;margin:9px 0;padding:13px;background:#edf3e9;border-radius:5px}
.venue-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;margin-bottom:13px}.venue-badge{color:#315b41;background:#e6f0df;font-weight:600;padding:3px 9px;border-radius:4px}.classification{color:#546d56;font-size:12px}.impact-factor{font-size:12px;color:#365d41;white-space:nowrap}.achievement-badge{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid;border-radius:5px;font-size:12px;font-weight:700;line-height:1.6;max-width:100%;white-space:normal}.badge-ccf-a{color:#613689;background:#f1e6ff;border-color:#d6bcec}.badge-esi{color:#805207;background:#fff0be;border-color:#e3c66d}
.paper-summary{font-size:14px;color:#536c59;margin:0 0 15px;line-height:1.8}.paper-links{display:flex;flex-wrap:wrap;gap:8px}.paper-links a{border:1px solid #cdddc6;font-size:13px;padding:5px 11px;color:#3c6246;border-radius:5px;display:inline-flex;align-items:center;gap:7px;background:#fff;line-height:1.6;min-height:32px;transition:background .2s,border-color .2s}.paper-links a:hover{background:#e9f1e2;border-color:#9ebb92}.paper-links a span{font-size:12px;color:#728a6d}.paper-links .paper-link-icon{width:15px;height:15px;flex-shrink:0;display:block}
.publication-source-note{font-size:12px;color:#72846f;border-top:1px solid var(--line);padding-top:20px;margin:28px 0 0}
.experience-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.experience-grid>div{min-width:0}.experience-grid>div>h3{font-size:17px;font-weight:600;margin:0 0 18px;color:#3b6347}.timeline-item{display:grid;grid-template-columns:116px minmax(0,1fr);gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.timeline-item:last-child{border:0}.timeline-item.no-date{grid-template-columns:1fr}.timeline-date{font-family:monospace;font-size:13px;color:#628060}.timeline-item h3{font-size:16px;font-weight:600;margin:0;line-height:1.75}.timeline-item p{font-size:15px;color:#586f59;margin:4px 0;line-height:1.85}.experience-grid .timeline-item{grid-template-columns:1fr;gap:5px}
#honors-list{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}#honors-list .timeline-item{padding:15px 0}#honors-list h3{font-size:15px}#honors-list p{font-size:14px}#service-list .timeline-item h3{font-size:17px}#service-list .timeline-item p{font-size:15px}
.empty-state{border-left:2px solid #cddcc7;background:#f0f5eb;padding:18px 22px;color:#71886c}.empty-state strong{font-size:15px;color:#52714b;font-weight:500;display:block;margin-bottom:5px}.empty-state p{font-size:14px;margin:0;line-height:1.8}
footer{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:12px;padding:28px 0 35px;color:#71856e}.footer-slash{padding:0 8px;color:#a0b39a}footer a:hover{color:var(--green)}
dialog{border:1px solid var(--line);border-radius:9px;padding:20px;max-width:min(1100px,94vw);width:max-content;color:var(--ink);background:white;box-shadow:0 20px 100px #122b2440}dialog::backdrop{background:#152c29aa;backdrop-filter:blur(4px)}.dialog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:15px;max-width:1050px;line-height:1.6;margin-bottom:16px}.dialog-toolbar button{border:0;background:#f0f4ee;font-size:25px;width:38px;height:38px;flex-shrink:0;border-radius:5px;line-height:1}dialog>img{display:block;max-width:100%;max-height:70vh;object-fit:contain;margin:auto}dialog>p{font-size:12px;color:var(--muted);text-align:center;margin:14px 0 0}.noscript-message{position:fixed;bottom:0;right:0;background:white;padding:15px;color:var(--green)}
@media(min-width:1760px){main{margin-left:calc(var(--side-width) + (100vw - var(--side-width) - 1240px)/2)}}
@media(max-width:1200px){:root{--side-width:250px}.sidebar{padding-left:23px;padding-right:23px}main{padding:0 36px}.paper{grid-template-columns:175px minmax(0,1fr);column-gap:22px}.publication-year{gap:19px}}
@media(max-width:900px){:root{--side-width:220px}.sidebar{padding-left:21px;padding-right:21px}main{padding:0 25px}.paper{grid-template-columns:128px minmax(0,1fr);column-gap:18px}.paper h3{font-size:18px}.section-note{display:none}.publication-year{grid-template-columns:45px minmax(0,1fr);gap:15px}.experience-grid{grid-template-columns:1fr;gap:28px}#honors-list{grid-template-columns:1fr}.profile-links .email-copy{font-size:12px}}
@media(max-height:820px) and (min-width:701px){.sidebar{padding-top:22px}.sidebar-top{margin-bottom:18px}.portrait-wrap{max-width:145px}.identity{margin-top:18px}.identity h1{font-size:31px}.profile-links{margin:14px 0 18px}.section-nav a{padding-top:6px;padding-bottom:6px}.sidebar-bottom{padding-top:18px}}
@media(max-width:700px){
 .sidebar{position:relative;width:100%;height:auto;display:grid;grid-template-columns:95px minmax(0,1fr);gap:0 21px;padding:24px}
 .sidebar-top{grid-column:1/-1;margin-bottom:22px}.portrait-wrap{grid-column:1;grid-row:2/4;align-self:start;width:95px;margin:0}.portrait-wrap img{width:95px;height:116px;aspect-ratio:auto}.portrait-caption{font-size:7px;letter-spacing:.1px;bottom:5px}.identity{grid-column:2;margin:0}.identity h1{font-size:30px;margin-bottom:9px}.profile-field{font-size:13px}.profile-links{grid-column:2;margin:10px 0 0;gap:6px}.profile-links a,.profile-links .email-copy{font-size:11px;padding:5px 7px}.profile-links svg{width:13px;height:13px}.profile-links .email-copy{font-size:12px}
 .section-nav{grid-column:1/-1;display:flex;gap:18px;overflow-x:auto;margin-top:24px;padding-top:13px;white-space:nowrap}.section-nav a{font-size:12px;gap:6px;padding:7px 0;margin:0;background:none}.section-nav a.active:after{display:none}.section-nav span{font-size:10px}.sidebar-bottom{display:none}
 main{margin:0;padding:0 22px;max-width:none}.topbar{min-height:74px;gap:12px}.eyebrow{font-size:11px;letter-spacing:.4px;max-width:60%;line-height:1.6}.language-switch{gap:7px}.language-switch button{font-size:13px}
 section{padding:37px 0}.about-section{padding:34px 0}.hero-title{font-size:38px;margin:18px 0 9px}.hero-title span{font-size:22px;margin-left:12px}.about-position{font-size:14px}.about-copy{font-size:16px;line-height:1.9}.research-topics{gap:7px}.research-topics span{font-size:12px;padding:5px 10px}.section-heading h2{font-size:24px;gap:11px}.section-heading{margin-bottom:24px}.section-intro{font-size:13px}
 .news-item{grid-template-columns:65px minmax(0,1fr);gap:12px;padding:14px 0}.news-date{font-size:12px}.news-body{font-size:15px;line-height:1.85}.news-icon{font-size:16px}
 .publication-years{font-size:13px;gap:7px}.publication-years a{padding:4px 9px}.publication-years>span{width:100%;margin-bottom:5px}.publication-year{grid-template-columns:minmax(0,1fr);gap:17px}.year-label{font-size:24px;border-bottom:1px solid var(--line);padding-bottom:8px}
 .paper{grid-template-columns:100px minmax(0,1fr);column-gap:16px;margin-bottom:29px;padding-bottom:29px}.paper h3{font-size:16px;line-height:1.6;margin-bottom:10px}.authors,.author-details{font-size:13px;line-height:1.8;margin-bottom:11px}.author-details p{font-size:12px;padding:10px}.author-details summary span{font-size:11px}
 .figure-button{padding:5px}.figure-placeholder{font-size:11px}.demo-link{font-size:12px;gap:4px}.venue-row{font-size:12px;gap:7px;line-height:1.7}.venue-badge{padding:3px 7px}.classification,.impact-factor{font-size:11px}.achievement-badge{font-size:11px;padding:3px 6px}.paper-summary{font-size:13px;line-height:1.85}.paper-links{gap:6px}.paper-links a{font-size:12px;padding:5px 8px;gap:5px}.paper-links .paper-link-icon{width:14px;height:14px}.paper-links a span{font-size:11px}
 .experience-grid{gap:28px}.timeline-item h3{font-size:16px}.timeline-item p{font-size:14px}#honors-list h3{font-size:15px}#honors-list p{font-size:13px}#service-list .timeline-item p{font-size:14px}.publication-source-note{font-size:12px}footer{font-size:11px}.dialog-toolbar{font-size:13px}
}
@media(max-width:360px){main{padding:0 18px}.sidebar{padding:22px;grid-template-columns:84px minmax(0,1fr);column-gap:17px}.portrait-wrap,.portrait-wrap img{width:84px}.paper{grid-template-columns:84px minmax(0,1fr);column-gap:12px}.paper h3{font-size:15px}.demo-link{font-size:11px}.profile-links .email-copy{font-size:11px}.hero-title span{font-size:20px}.section-heading h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.person-link{color:var(--green);text-decoration:underline;text-decoration-color:#9db8a7;text-underline-offset:3px}.person-link:hover{text-decoration-color:var(--green)}

/* About and News: larger text and stronger editorial hierarchy. */
#about{padding-top:50px;padding-bottom:48px}
#about .section-kicker{gap:14px;font-size:15px}
#about .section-kicker>span:last-child{font-size:20px;font-weight:600;color:#355d47}
#about .hero-title{font-size:52px;margin-top:24px;margin-bottom:10px}
#about .hero-title span{font-size:29px;color:#54735f}
#about .about-position{font-size:18px;line-height:1.75;margin-bottom:29px;color:#3f644e}
#about .about-copy{font-size:19px;line-height:1.95;max-width:930px;color:#2b4437}
#about .about-copy p{margin-bottom:24px}
#about .about-copy strong{font-weight:700}
#about .person-link{text-decoration-color:#a1bbab;text-underline-offset:4px}
#about .research-topics{margin-top:28px;gap:10px}
#about .research-topics span{font-size:14px;padding:6px 14px;border-radius:6px}
#news .section-heading{margin-bottom:30px}
#news .section-heading h2{font-size:30px}
#news .section-note{font-size:14px;color:#617c67}
#news .news-item{grid-template-columns:94px minmax(0,1fr);gap:22px;padding:20px 0;border-bottom-color:#dfe8dc}
#news .news-item:first-child{padding-top:0}
#news .news-date{width:max-content;font-size:14px;font-weight:500;line-height:1.5;font-variant-numeric:tabular-nums;padding:5px 9px;background:#edf3e8;border:1px solid #d9e5d3;border-radius:6px;color:#426a4b;margin-top:3px}
#news .news-body{font-size:18px;line-height:1.9;color:#2e4938}
#news .news-paper-link{font-weight:700}
#news .news-icon{font-size:20px;margin-right:4px}
#news .news-more{font-size:16px;min-height:42px;padding:8px 17px;margin-top:24px}
@media(max-width:900px){
 #about .hero-title{font-size:46px}
 #about .about-copy{font-size:18px}
 #news .news-item{grid-template-columns:84px minmax(0,1fr);gap:15px}
 #news .news-body{font-size:17px}
}
@media(max-width:700px){
 #about{padding-top:36px;padding-bottom:38px}
 #about .section-kicker>span:last-child{font-size:18px}
 #about .hero-title{font-size:40px;margin-top:20px}
 #about .hero-title span{font-size:25px;margin-left:13px}
 #about .about-position{font-size:16px;margin-bottom:24px}
 #about .about-copy{font-size:18px;line-height:1.9}
 #about .about-copy p{margin-bottom:23px}
 #about .research-topics{gap:8px;margin-top:24px}
 #about .research-topics span{font-size:13px;padding:6px 11px}
 #news .section-heading h2{font-size:27px}
 #news .news-body{font-size:17px;line-height:1.85}
 #news .news-date{font-size:13px;padding:4px 8px}
 #news .news-icon{font-size:18px}
 #news .news-more{font-size:15px}
}
@media(max-width:480px){
 #news .news-item{grid-template-columns:minmax(0,1fr);gap:10px;padding:21px 0}
 #news .news-date{margin-top:0}
 #about .hero-title span{font-size:23px}
}

/* Publication view switch, followed by the matching year navigation. */
.publication-filters{display:inline-flex;flex-wrap:wrap;gap:5px;padding:5px;margin:0 0 24px;border:1px solid #d5e2cf;border-radius:9px;background:#edf3e8}
.publication-filters button{border:1px solid transparent;background:transparent;padding:8px 16px;border-radius:6px;font-size:15px;line-height:1.5;color:#55735a;transition:background .2s,color .2s}
.publication-filters button:hover{color:#234d33;background:#ffffff80}
.publication-filters button[aria-pressed="true"]{background:#fff;border-color:#d2dfca;color:#244f35;font-weight:650;box-shadow:0 2px 5px #244b3110}
#publications .publication-years{justify-content:flex-start;margin-bottom:30px}
@media(max-width:700px){.publication-filters{max-width:100%;gap:3px;margin-bottom:20px}.publication-filters button{font-size:14px;padding:8px 12px}}
@media(max-width:360px){.publication-filters button{font-size:13px;padding:8px 10px}}

/* Academic editorial typography for the two long-form reading sections. */
#about .about-copy,
#news .news-body{
 font-family:Georgia,"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,"Times New Roman",serif;
 font-weight:400;
 font-kerning:normal;
 font-variant-ligatures:common-ligatures;
 color:#293f34;
}
html[lang="en"] #about .about-copy,
html[lang="en"] #news .news-body{letter-spacing:.1px}
html[lang="zh-CN"] #about .about-copy,
html[lang="zh-CN"] #news .news-body{letter-spacing:.2px}
#about .about-copy strong,
#news .news-paper-link{font-family:inherit;font-weight:700}
#about .about-copy .person-link{font-family:inherit}
#news .news-icon{font-family:"Segoe UI Emoji","Apple Color Emoji",sans-serif;letter-spacing:normal}

/* Research interests: three equal panels with distinct, restrained accents. */
#about .research-topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:32px}
.topic-card{--topic-accent:#356449;--topic-soft:#eaf2e5;display:grid;grid-template-columns:42px minmax(0,1fr);align-items:start;gap:13px;padding:20px 16px;background:#fff;border:1px solid #dbe5d6;border-top:3px solid var(--topic-accent);border-radius:9px;min-width:0;box-shadow:0 4px 15px #294e3510}
.topic-driving{--topic-accent:#456d87;--topic-soft:#eaf1f6;border-color:#dae4eb;border-top-color:var(--topic-accent)}
.topic-geometry{--topic-accent:#946747;--topic-soft:#f6eee5;border-color:#e9e1d5;border-top-color:var(--topic-accent)}
.topic-icon{width:42px;height:42px;border-radius:9px;background:var(--topic-soft);color:var(--topic-accent);display:grid;place-items:center}
.topic-icon svg{width:29px;height:29px;display:block}
.topic-copy{min-width:0}.topic-copy h3{font-size:17px;line-height:1.45;font-weight:650;color:#2b4337;margin:0 0 8px;overflow-wrap:normal}
.topic-copy p{font-size:14px;line-height:1.7;color:#647567;margin:0}
@media(min-width:901px){html[lang="en"] .topic-copy h3{min-height:2.9em}}
@media(max-width:1100px){#about .research-topics{grid-template-columns:1fr;gap:11px}.topic-card{padding:16px 18px;align-items:center}.topic-copy h3{min-height:0!important;margin-bottom:4px}}
@media(max-width:700px){#about .research-topics{margin-top:28px;gap:11px}.topic-card{grid-template-columns:42px minmax(0,1fr);padding:17px 15px;gap:14px}.topic-copy h3{font-size:17px}.topic-copy p{font-size:14px}}

/* Compact research topic cards: icon and name only. */
.topic-card{align-items:center;padding:18px 16px}
.topic-copy h3{margin:0;min-height:0!important}
@media(max-width:700px){.topic-card{padding:16px 15px}}