:root{--ink:#162b3e;--muted:#536474;--line:#d9e1e7;--blue:#165db1;--bg:#fff;--serif:Georgia,'Noto Serif SC','Songti SC',STSong,serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-underline-offset:5px}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #d67b29;outline-offset:5px}button,a{-webkit-tap-highlight-color:transparent}.container{width:min(1160px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;top:-80px;left:20px;z-index:100;background:white;padding:12px}.skip:focus{top:10px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:24px}.brand{text-decoration:none;display:flex;gap:20px;align-items:center}.brand-mark{font-weight:850;letter-spacing:-1px;font-size:25px;white-space:nowrap}.brand-mark span{font-weight:400;color:#4b79ac}.brand-name{font-size:14px;padding-left:20px;border-left:1px solid var(--line)}nav{display:flex;align-items:center;gap:25px;font-size:14px}nav a{text-decoration:none}nav a:hover{color:var(--blue)}.language{border-left:1px solid var(--line);padding-left:23px;font-weight:650}.hero{background:#12283e;color:white;padding:75px 0 72px}.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:72px;align-items:center}.eyebrow{font-size:12px;font-weight:650;letter-spacing:2px;margin:0 0 18px;line-height:1.5;color:var(--blue)}.hero .eyebrow{color:#a9c3dc}.hero h1{font-family:var(--serif);font-size:clamp(36px,4.2vw,54px);font-weight:500;letter-spacing:1px;line-height:1.25;margin:0 0 10px}.hero-en{font-family:var(--serif);font-size:22px;color:#b6cce0;margin:0 0 36px}.hero-intro{font-size:26px;line-height:1.65;margin:0 0 16px;font-weight:400}.hero-description{max-width:590px;color:#c3d0dc;font-size:16px;line-height:1.9;margin:0 0 30px}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.button{display:inline-flex;gap:25px;align-items:center;text-decoration:none;background:#fff;color:#19334d;padding:12px 19px;font-weight:600;font-size:14px}.button:hover{background:#e4eef7}.text-link{color:#e1ebf4;font-size:14px}.research-map{border:1px solid #426079;padding:28px 30px;position:relative;background:#172f47}.map-caption{font-size:11px;letter-spacing:2px;color:#9fb9d0}.research-map ol{list-style:none;padding:0;margin:27px 0}.research-map li{display:flex;align-items:center;gap:20px;position:relative;padding:0 0 30px}.research-map li:not(:last-child):before{content:'';position:absolute;left:18px;top:38px;bottom:0;border-left:1px solid #617c95}.research-map li:last-child{padding-bottom:0}.map-number{display:grid;place-items:center;border:1px solid #7794ac;width:38px;height:38px;flex-shrink:0;border-radius:50%;color:#b9d1e8;font-size:12px}.research-map strong{display:block;font-size:18px;font-weight:550}.research-map li div>span{font-size:13px;color:#acbfd0}.research-map>p{border-top:1px solid #426079;margin:0;padding-top:19px;color:#d5b88d;font-size:13px}.section{padding-top:76px;padding-bottom:78px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:37px}.section-heading h2,.people-section h2{font-family:var(--serif);font-size:32px;font-weight:500;line-height:1.35;margin:0}.section-heading .eyebrow{margin-bottom:10px}.section-heading>p{font-size:14px;color:var(--muted);max-width:370px;margin:0}.directions{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.directions article{border-top:2px solid var(--ink);padding-top:20px}.number{font-size:12px;letter-spacing:1px;color:#64788b}.directions h3{font-size:21px;line-height:1.5;font-weight:550;margin:18px 0 12px}.directions p{font-size:15px;color:var(--muted);line-height:1.9;margin:0 0 22px}.directions a{font-size:13px;color:var(--blue);text-decoration:none}.publications{background:#f4f7fa;border-block:1px solid #e7ecf0}.external-link{font-size:14px;color:var(--blue);white-space:nowrap}.filter-bar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:12px}.filters{display:flex;flex-wrap:wrap;gap:7px}.filters button{border:1px solid transparent;background:transparent;color:var(--muted);padding:7px 12px;font-size:14px;cursor:pointer;border-radius:3px}.filters button[aria-pressed=true]{color:white;background:var(--ink)}.filters button:hover{border-color:#637c94}.search input{border:1px solid #c6d2dc;background:white;border-radius:3px;padding:9px 12px;font-size:14px;width:250px;color:var(--ink)}.result-count{font-size:12px;color:var(--muted);margin:8px 0 18px}.paper{display:grid;grid-template-columns:185px 1fr;gap:30px;padding:30px 0;border-top:1px solid #ccd7e0}.paper-meta>span{display:block}.paper-meta>span:first-child{font-family:var(--serif);font-size:26px;margin-bottom:8px}.paper-meta>span:last-child{font-size:12px;color:var(--muted);line-height:1.6}.paper-label{font-size:13px;color:var(--blue);font-weight:650}.paper-label span{margin-left:14px;color:var(--muted);font-weight:400;font-size:12px}.paper h3{font-family:var(--serif);font-size:22px;font-weight:500;line-height:1.4;margin:9px 0 10px}.paper p{font-size:14px;color:var(--muted);margin:0 0 13px;line-height:1.8}.paper-links{display:flex;gap:24px;font-size:13px}.paper-links a{color:var(--blue);text-decoration:none}.paper-links a:hover{text-decoration:underline}.source-note{font-size:13px;color:var(--muted);padding-top:20px;border-top:1px solid var(--line)}.source-note a{color:var(--blue)}.no-results{padding:35px;border-top:1px solid var(--line);color:var(--muted)}.course-card{display:flex;align-items:center;gap:32px;text-decoration:none;border:1px solid var(--line);padding:32px 36px;transition:border-color .2s,background .2s}.course-card:hover{border-color:#7a9dbc;background:#f8fafc}.course-code{font-size:38px;font-weight:700;letter-spacing:-2px;display:flex;flex-direction:column;line-height:1.3;border-right:1px solid var(--line);padding-right:32px}.course-code span{font-size:13px;font-weight:400;letter-spacing:2px}.course-card .eyebrow{margin:0 0 6px}.course-card h3{font-size:24px;font-weight:500;margin:0 0 7px}.course-card p:last-child{margin:0;color:var(--muted);font-size:14px}.course-arrow{font-size:30px;margin-left:auto;color:var(--blue)}.people-section{background:#edf2f6;padding:64px 0}.people-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:90px}.people-section p{color:var(--muted);font-size:15px}.person-label{font-size:13px;color:var(--muted)}.person h3{font-size:28px;font-weight:500;margin:5px 0 10px}.person small{font-size:18px;font-weight:400;margin-left:10px}.person p{margin:0 0 22px}.person-links{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:var(--blue)}.footer{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-block:30px;font-size:12px;color:var(--muted)}.footer>div{display:flex;gap:16px;align-items:center}.footer strong{color:var(--ink);font-size:16px;letter-spacing:-.5px}.footer p{margin:0}.footer>a{white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(min-width:1440px){.hero{padding-block:85px}}@media(max-width:1050px){.brand-name{display:none}.hero-grid{gap:38px;grid-template-columns:1.25fr 1fr}.hero{padding-block:55px}.hero-en{font-size:20px}.research-map{padding:24px}.directions{gap:24px}.filter-bar{align-items:stretch;flex-direction:column}.search input{width:100%}.people-grid{gap:45px}.footer{flex-wrap:wrap}}@media(max-width:720px){.container{width:calc(100% - 40px)}.header-inner{min-height:74px;gap:12px}.brand-mark{font-size:22px}nav{gap:15px;font-size:13px}.language{padding-left:12px}.hero{padding:42px 0}.hero-grid{grid-template-columns:1fr;gap:32px}.hero h1{font-size:37px}.hero-en{font-size:20px;margin-bottom:26px}.hero-intro{font-size:23px}.hero-description{font-size:15px}.research-map{padding:23px}.research-map ol{margin:23px 0}.research-map li{padding-bottom:23px}.section{padding-block:50px}.section-heading{align-items:start;flex-direction:column;gap:16px;margin-bottom:27px}.section-heading h2,.people-section h2{font-size:28px}.directions{grid-template-columns:1fr;gap:30px}.directions h3{margin-top:12px}.directions p{margin-bottom:12px}.paper{grid-template-columns:1fr;gap:12px;padding-block:24px}.paper-meta{display:flex;gap:14px;align-items:baseline}.paper-meta>span:first-child{font-size:21px;margin:0}.paper h3{font-size:21px}.paper-label span{font-size:12px}.filters{gap:3px}.filters button{padding:7px 10px;font-size:13px}.course-card{padding:22px;gap:20px}.course-code{font-size:30px;padding-right:20px}.course-card h3{font-size:22px}.course-card .eyebrow{font-size:10px}.course-arrow{font-size:24px}.course-card p:last-child{font-size:13px}.people-grid{grid-template-columns:1fr;gap:28px}.people-section{padding:45px 0}.footer{gap:12px;padding-block:25px}.footer>div{width:100%}.footer>a{margin-left:auto}}@media(max-width:370px){nav{gap:10px}.brand-mark{font-size:19px}.language{padding-left:8px}.container{width:calc(100% - 32px)}.course-code{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.site-header,.hero-actions,.filter-bar,.result-count,.course-arrow,.footer>a{display:none!important}.hero{background:#fff;color:#000;padding:25px 0}.hero p{color:#333}.research-map{display:none}.hero-grid{display:block}.container{width:100%}.section{padding-block:25px}.publications,.people-section{background:white}.paper{break-inside:avoid}.paper[hidden]{display:grid!important}}
.hero-en{margin-bottom:18px}.affiliation{font-size:13px;color:#afc3d6;line-height:1.8;margin:0 0 27px;max-width:560px}html[lang=en] .hero h1{font-size:clamp(34px,3.6vw,48px)}html[lang=en] .brand-name{max-width:205px;line-height:1.4}html[lang=en] .hero-intro{font-size:24px}@media(max-width:720px){html[lang=en] .header-inner{flex-wrap:wrap;padding-block:13px;gap:7px}html[lang=en] nav{width:100%;justify-content:space-between;gap:10px}html[lang=en] .hero h1{font-size:37px}.affiliation{margin-bottom:22px}}
@media(max-width:720px){html[lang=zh-CN] .hero h1{font-size:clamp(26px,7.8vw,35px);letter-spacing:.3px}.hero-description{font-size:16px}}
.student-groups{display:grid;grid-template-columns:1fr 1.25fr;gap:90px;margin-top:40px;padding-top:32px;border-top:1px solid #cbd6df}.student-group h3{font-size:19px;font-weight:550;margin:0 0 18px}.student-group ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 20px}.student-group li{font-size:17px;line-height:1.7}@media(max-width:1050px){.student-groups{gap:45px}}@media(max-width:720px){.student-groups{grid-template-columns:1fr;gap:30px;margin-top:30px;padding-top:26px}.student-group ul{gap:12px 16px}.student-group h3{font-size:18px;margin-bottom:14px}}