/* Academic pages share a small, dependency-free visual system. */
:root { color-scheme: light; --paper:#f8f7f3; --ink:#24332e; --muted:#606b63; --accent:#1b6257; --line:#dcded5; --serif:Georgia,'Times New Roman','Songti SC',serif; --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:105px; }
body { margin:0; color:var(--ink); background:var(--paper); font:16px/1.7 var(--sans); -webkit-font-smoothing:antialiased; }
::selection { color:var(--ink); background:#dce7dd; }
[hidden] { display:none !important; }
a { color:var(--accent); text-decoration-thickness:1px; text-underline-offset:4px; }
a:hover { color:#113e36; }
button,input,select { font:inherit; }
button,select { cursor:pointer; }
button { color:inherit; }
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.citation-text:focus-visible { outline:3px solid var(--accent); outline-offset:5px; }
main:focus { outline:none; }
img { display:block; max-width:100%; height:auto; }
figure,dl,dd { margin:0; }
p { margin:0 0 1em; }
h1,h2,h3 { margin:0; font-weight:400; }
h1,h2 { font-family:var(--serif); }
h1 { font-size:clamp(44px,5.2vw,68px); line-height:1.15; letter-spacing:-2.5px; }
h2 { font-size:clamp(30px,3vw,39px); line-height:1.25; letter-spacing:-1px; }
abbr[title] { text-decoration:underline dotted; text-underline-offset:3px; }
.container { width:min(1120px,calc(100% - 80px)); margin-inline:auto; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
.skip-link { position:fixed; z-index:10; top:8px; left:16px; padding:10px 20px; background:var(--ink); color:white; transform:translateY(-150%); }
.skip-link:focus { transform:none; color:white; }
.site-header { position:sticky; top:0; z-index:5; background:var(--paper); border-bottom:1px solid var(--line); }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:86px; }
.brand { display:inline-flex; gap:15px; align-items:center; color:var(--ink); font-size:15px; font-weight:600; text-decoration:none; white-space:nowrap; }
.brand-mark { color:var(--accent); font:italic 40px/1 var(--serif); letter-spacing:-4px; padding-right:3px; }
.brand-cn { margin-left:5px; color:var(--muted); font-weight:400; }
.site-nav { display:flex; align-items:center; gap:28px; font-size:14px; }
.site-nav a { color:var(--muted); text-decoration:none; padding-block:8px; }
.site-nav a:hover,.site-nav a[aria-current] { color:var(--ink); }
.site-nav a[aria-current] { text-decoration:underline; text-decoration-color:var(--accent); text-underline-offset:9px; }
.hero { display:grid; grid-template-columns:1.13fr 1fr; align-items:center; gap:72px; padding:78px 0 72px; }
.eyebrow { display:flex; align-items:center; gap:10px; margin-bottom:22px; color:var(--accent); font-size:11px; font-weight:650; line-height:1.5; letter-spacing:1.7px; text-transform:uppercase; }
.eyebrow-line { display:inline-block; width:25px; height:1px; background:var(--accent); }
.hero h1 { white-space:nowrap; font-size:clamp(45px,5.1vw,68px); }
.hero-cn { display:block; margin-top:14px; font-size:29px; letter-spacing:5px; font-family:'Songti SC','STSong',var(--serif); }
.affiliation { margin:26px 0 20px; color:var(--muted); font-size:14px; line-height:1.8; }
.affiliation a { color:var(--ink); text-decoration:none; }
.affiliation a:hover { text-decoration:underline; }
.location { white-space:nowrap; }
.hero-intro { max-width:540px; color:#4c5a51; font-size:18px; line-height:1.8; }
.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:26px; margin-top:28px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:22px; min-height:48px; padding:12px 20px; border:1px solid var(--accent); border-radius:2px; background:var(--accent); color:white; font-size:13px; font-weight:550; line-height:1.6; text-decoration:none; }
.button:hover { background:#164e45; border-color:#164e45; color:white; }
.button-outline { background:transparent; color:var(--accent); }
.text-link { display:inline-flex; align-items:center; gap:12px; color:var(--accent); font-size:13px; font-weight:600; text-decoration:none; }
.text-link:hover { text-decoration:underline; }
.profile-links { display:flex; align-items:center; flex-wrap:wrap; gap:11px; margin-top:27px; color:#a1a79d; font-size:12px; }
.profile-links a,.profile-links .email-text { max-width:100%; overflow-wrap:anywhere; color:var(--muted); text-decoration:none; padding-block:3px; }
.profile-links a:hover { color:var(--accent); text-decoration:underline; }
.hero-photo { width:100%; max-width:380px; justify-self:end; margin-top:8px; }
.photo-frame { padding:9px; border:1px solid #d7d9ce; background:#edeee7; }
.photo-frame img { width:100%; height:auto; }
figcaption { display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; margin-top:14px; color:var(--muted); font-size:10px; letter-spacing:.3px; }
figcaption > span:last-child { color:#7a8378; }
.research-section { padding:62px 0 70px; border-top:1px solid var(--line); }
.section-heading .eyebrow { margin-bottom:13px; }
.section-description { margin-top:18px; color:var(--muted); font-size:15px; }
.research-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:36px; margin-top:36px; }
.research-topic { padding-top:20px; border-top:1px solid #bbc5b9; }
.topic-number { color:var(--accent); font-size:12px; font-variant-numeric:tabular-nums; }
.research-topic h3 { margin:12px 0 12px; color:var(--ink); font:25px/1.3 var(--serif); letter-spacing:-.4px; }
.research-topic p { margin-bottom:20px; color:var(--muted); font-size:14px; line-height:1.8; }
.selected-section { padding:55px 0 45px; border-top:1px solid var(--line); }
.heading-with-link { display:flex; align-items:center; justify-content:space-between; gap:30px; }
.publication-list { list-style:none; margin:28px 0 0; padding:0; }
.publication-group { margin-top:38px; }
.publication-group-title { margin:0; color:var(--accent); font:26px/1.35 var(--serif); letter-spacing:-.4px; }
.publication-group .publication-list { margin-top:18px; }
.publication { display:grid; grid-template-columns:66px minmax(0,1fr); gap:18px; padding:30px 0; border-top:1px solid var(--line); scroll-margin-top:104px; }
.publication-year { padding-top:3px; color:var(--muted); font-size:13px; font-variant-numeric:tabular-nums; }
.publication-labels { display:flex; align-items:center; flex-wrap:wrap; gap:10px; margin-bottom:9px; color:var(--muted); font-size:10px; line-height:1.6; letter-spacing:1px; text-transform:uppercase; }
.status-label,.award-label { padding:2px 7px; border:1px solid #c1d4c7; border-radius:2px; background:#eaf0e7; color:#355a43; letter-spacing:.3px; }
.award-label { border-color:#dccdab; background:#f1ebdc; color:#766035; text-transform:none; }
.publication-title { max-width:880px; margin:0; font-family:var(--serif); font-size:24px; font-weight:400; line-height:1.45; letter-spacing:-.3px; overflow-wrap:anywhere; }
.publication-title a { color:var(--ink); text-decoration:none; }
.publication-title a:hover { color:var(--accent); text-decoration:underline; text-underline-offset:5px; }
.publication-authors { margin:9px 0 4px; color:var(--muted); font-size:12px; line-height:1.8; }
.publication-reference { display:inline; color:#4e6253; font-size:13px; font-style:italic; }
.doi-link { display:inline-block; margin-left:14px; color:var(--accent); font-size:10px; font-weight:650; letter-spacing:.6px; text-decoration:none; white-space:nowrap; }
.doi-link:hover { text-decoration:underline; }
.publication-downloads { display:flex; flex-wrap:wrap; gap:16px 28px; margin:24px 0; }
.citation-details { margin-top:16px; color:var(--muted); font-size:12px; }
.citation-details > summary { width:fit-content; padding:5px 0; color:var(--accent); cursor:pointer; }
.citation-block { margin-top:14px; padding:16px 18px; border:1px solid var(--line); border-radius:2px; background:#f0f1ea; }
.citation-heading { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; margin-bottom:12px; color:var(--accent); font-size:11px; font-weight:600; }
.copy-citation { padding:6px 10px; border:1px solid #b8c6b8; border-radius:2px; background:var(--paper); color:var(--accent); font-size:11px; }
.copy-citation:hover { border-color:var(--accent); background:#e5ece2; }
.copy-citation:disabled { cursor:wait; opacity:.6; }
.citation-text { margin:0; color:var(--ink); font-size:12px; line-height:1.8; overflow-wrap:anywhere; user-select:text; }
.bibtex-text { white-space:pre-wrap; }
.bibtex-text code { font:11px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace; }
.copy-status { margin:7px 0 0; color:var(--accent); font-size:11px; }
.copy-status:empty { margin:0; }
.clipboard-field { position:fixed; left:-9999px; top:0; width:1px; height:1px; opacity:0; }
.detail-section { display:grid; grid-template-columns:270px minmax(0,1fr); gap:50px; padding:46px 0; border-top:1px solid var(--line); }
.section-label .eyebrow { margin-bottom:12px; }
.section-label h2 { font-size:29px; letter-spacing:-.5px; }
.section-content { color:#4f5e53; font-size:14px; }
.section-content p:last-child { margin-bottom:0; }
.service-list > div { display:grid; grid-template-columns:180px minmax(0,1fr); gap:22px; margin-bottom:20px; }
.service-list dt { color:var(--muted); font-size:12px; }
.service-list dd { color:var(--ink); }
.plain-list { list-style:none; padding:0; margin:0; }
.plain-list li { position:relative; padding-left:16px; margin-bottom:16px; }
.plain-list li::before { position:absolute; left:0; top:.78em; width:4px; height:4px; border-radius:50%; background:#879782; content:''; }
.disclosure { margin-top:20px; color:var(--muted); font-size:13px; }
.disclosure summary { width:fit-content; padding-block:5px; color:var(--accent); cursor:pointer; }
.disclosure p,.disclosure ul { margin-top:16px; line-height:1.9; }
.disclosure[open] summary { margin-bottom:12px; }
.contact-section { display:grid; grid-template-columns:1fr 1fr; align-items:start; gap:70px; margin-top:20px; padding:48px 0 60px; border-top:1px solid #bfcbbd; }
.contact-section h2 { font-size:43px; }
.contact-section > div > p:last-child { margin-top:18px; color:var(--muted); font-size:14px; }
.contact-details { padding-top:3px; }
.contact-email { display:inline-flex; align-items:center; gap:22px; max-width:100%; color:var(--ink); font:22px/1.5 var(--serif); text-decoration:none; overflow-wrap:anywhere; }
a.contact-email:hover { color:var(--accent); text-decoration:underline; }
.contact-details p { margin-top:22px; color:var(--muted); font-size:13px; }
.site-footer { border-top:1px solid var(--line); color:var(--muted); font-size:11px; }
.footer-inner { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:88px; }
.footer-inner p { margin:0; }
.footer-links { display:flex; flex-wrap:wrap; gap:20px; }
.footer-links a { color:var(--muted); text-decoration:none; }
.footer-links a:hover { color:var(--accent); text-decoration:underline; }
.page-intro { padding:62px 0 42px; }
.page-intro h1 { margin-bottom:24px; }
.page-intro > p:not(.eyebrow),.page-intro > div > p:not(.eyebrow) { color:var(--muted); font-size:16px; }
.page-intro a:not(.text-link) { font-size:14px; }
.publications-page { padding-bottom:65px; }
.publication-filters { display:grid; grid-template-columns:minmax(200px,1fr) 140px 220px; align-items:end; gap:18px; padding:26px; border:1px solid var(--line); background:#f0f1ea; }
.publication-filters label { display:block; margin-bottom:8px; color:var(--muted); font-size:11px; font-weight:600; letter-spacing:.3px; }
.publication-filters input,.publication-filters select { display:block; width:100%; min-width:0; height:46px; padding:10px 12px; border:1px solid #c7ccbf; border-radius:2px; background:#fdfdfa; color:var(--ink); font-size:13px; line-height:1.5; }
.reset-filters { grid-column:1/-1; justify-self:start; padding:0; border:0; background:none; color:var(--accent); font-size:12px; text-decoration:underline; text-underline-offset:4px; }
.results-meta { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-top:28px; color:var(--muted); font-size:11px; }
.results-meta p { margin:0; }
.results-meta p:first-child { color:var(--accent); font-size:13px; font-weight:550; }
.publications-page .publication-group .publication-list { margin-top:18px; }
.no-results { padding:65px 0; text-align:center; border-top:1px solid var(--line); }
.no-results h2 { margin-bottom:18px; }
.no-results-title { margin-bottom:18px; color:var(--ink); font:30px/1.25 var(--serif); }
.no-results p { color:var(--muted); }
.helper-text { margin-top:24px; color:var(--muted); font-size:13px; }
.cv-page { padding-bottom:40px; }
.cv-page .page-intro { align-items:flex-start; }
.cv-page .page-intro h1 { font-size:52px; }
.cv-cn { margin-left:8px; font-size:28px; letter-spacing:3px; }
.inline-separator { margin-inline:8px; color:#a0a99a; }
.print-button { flex-shrink:0; margin-top:34px; }
.education-list > div { display:grid; grid-template-columns:140px minmax(0,1fr); gap:24px; margin-bottom:27px; }
.education-list > div:last-child { margin-bottom:0; }
.education-list dt { color:var(--muted); font-size:12px; }
.education-list dd strong { display:block; font-weight:550; color:var(--ink); }
.education-list dd span { font-size:13px; color:var(--muted); }
.cv-links { display:flex; flex-wrap:wrap; gap:24px; }
@media (max-width:1000px) {
  .container { width:calc(100% - 56px); }
  .site-nav { gap:20px; }
  .hero { gap:40px; padding-top:58px; }
  .hero h1 { font-size:53px; }
  .hero-intro { font-size:16px; }
  .hero-actions { gap:20px; }
  .detail-section { grid-template-columns:220px minmax(0,1fr); gap:32px; }
  .service-list > div { grid-template-columns:145px minmax(0,1fr); gap:18px; }
}
@media (max-width:760px) {
  html { scroll-padding-top:22px; }
  .container { width:calc(100% - 40px); }
  .site-header { position:static; }
  .header-inner { flex-direction:column; align-items:flex-start; gap:12px; padding:20px 0 14px; }
  .brand { font-size:14px; gap:13px; }
  .brand-mark { font-size:34px; }
  .site-nav { width:100%; flex-wrap:wrap; justify-content:space-between; gap:4px 14px; font-size:12px; }
  .hero { grid-template-columns:1fr; gap:38px; padding:46px 0; }
  .hero h1 { font-size:clamp(43px,8vw,63px); letter-spacing:-2px; white-space:normal; }
  .hero-cn { margin-top:12px; font-size:26px; }
  .eyebrow { font-size:10px; letter-spacing:1.4px; }
  .hero-intro { max-width:580px; font-size:16px; }
  .hero-actions { gap:22px; }
  .hero-actions .text-link { font-size:12px; }
  .hero-photo { justify-self:center; margin-top:0; }
  .research-section { padding:42px 0; }
  .research-grid { grid-template-columns:1fr; gap:28px; margin-top:30px; }
  .research-topic h3 { font-size:25px; }
  .research-topic p { max-width:520px; margin-bottom:15px; }
  .selected-section { padding:38px 0 22px; }
  .heading-with-link { flex-direction:column; align-items:flex-start; gap:18px; }
  .publication { grid-template-columns:1fr; gap:10px; padding:26px 0; scroll-margin-top:20px; }
  .publication-year { padding:0; font-size:12px; }
  .publication-title { font-size:22px; }
  .publication-labels { font-size:9px; }
  .publication-authors { font-size:12px; }
  .publication-reference { font-size:12px; }
  .detail-section { grid-template-columns:1fr; gap:25px; padding:35px 0; }
  .section-label .eyebrow { margin-bottom:9px; }
  .service-list > div { grid-template-columns:1fr; gap:3px; }
  .contact-section { grid-template-columns:1fr; gap:28px; padding:36px 0 42px; margin-top:0; }
  .contact-section h2 { font-size:38px; }
  .contact-email { font-size:20px; gap:13px; }
  .footer-inner { align-items:flex-start; flex-direction:column; gap:14px; padding:26px 0; }
  .footer-links { gap:18px; }
  .page-intro { padding:42px 0 32px; }
  .page-intro h1 { font-size:47px; }
  .publication-filters { grid-template-columns:1fr 1fr; gap:16px 12px; padding:18px; }
  .search-field { grid-column:1/-1; }
  .publication-filters select { font-size:12px; padding-left:8px; }
  .results-meta { align-items:flex-start; flex-direction:column; gap:7px; }
  .cv-page .page-intro h1 { font-size:41px; }
  .cv-cn { font-size:23px; }
  .print-button { margin-top:2px; }
  .education-list > div { grid-template-columns:100px minmax(0,1fr); gap:15px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }
@media (max-width:480px) {
  .publication-filters { grid-template-columns:1fr; }
  .search-field { grid-column:auto; }
  .publication-filters input,.publication-filters select { font-size:16px; }
}
@media print {
  @page { margin:18mm; }
  html,body { background:white; color:black; font-size:10pt; }
  .container { width:100%; }
  .site-header,.site-footer,.skip-link,.print-button,.publication-filters,.hero-actions,.profile-links { display:none !important; }
  .copy-citation,.copy-status,.publication-downloads { display:none !important; }
  .citation-block { padding:10pt; }
  .page-intro { padding:0 0 18pt; }
  .page-intro h1,.cv-page .page-intro h1 { font-size:30pt; }
  .detail-section { grid-template-columns:150px minmax(0,1fr); gap:22px; padding:18pt 0; }
  .section-label h2 { font-size:18pt; }
  .section-content,.disclosure { font-size:10pt; }
  a { color:inherit; text-decoration:none; }
  .disclosure { margin-top:12pt; }
  .disclosure summary { color:black; font-weight:600; }
  .publication { padding:16pt 0; break-inside:avoid; }
  .publication-group-title { font-size:17pt; break-after:avoid; }
  .publication-title { font-size:14pt; }
  .education-list > div,.plain-list li,.service-list > div { break-inside:avoid; }
}