:root {
  --paper: #faf9f6;
  --ink: #292b29;
  --muted: #696b66;
  --accent: #853c44;
  --accent-soft: #f1e7e6;
  --rule: #deded6;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
::selection { background: #ead6d7; color: #462127; }
a { color: inherit; text-decoration: none; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
[hidden] { display: none !important; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; }
h2 { font-size: 38px; letter-spacing: -1.15px; line-height: 1.2; }
.container { width: min(1080px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 10; padding: 10px 18px; background: var(--accent); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(250,249,246,.97); border-bottom: 1px solid var(--rule); }
.header-inner { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { font-size: 14px; font-weight: 600; }
nav { display: flex; gap: 30px; font-size: 13px; }
nav a { position: relative; padding-block: 11px; color: var(--muted); }
nav a[aria-current] { color: var(--accent); }
nav a[aria-current]::after { content: ""; position: absolute; bottom: 3px; left: 0; width: 16px; height: 2px; background: var(--accent); }
.hero { display: grid; grid-template-columns: minmax(0,1fr) 250px; align-items: start; gap: 90px; padding: 80px 0 77px; }
.eyebrow { font-size: 10px; font-weight: 600; line-height: 1.5; letter-spacing: 1.9px; text-transform: uppercase; color: var(--muted); }
.hero .eyebrow { display: flex; align-items: center; gap: 8px; letter-spacing: 1.35px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
h1 { margin-top: 17px; font-size: clamp(45px,5.1vw,64px); letter-spacing: -2.4px; line-height: 1.15; }
.chinese-name { display: inline-block; margin-left: 20px; font-family: "Songti SC", "Noto Serif CJK SC", serif; font-size: 25px; font-weight: 400; letter-spacing: 3px; color: var(--muted); vertical-align: middle; }
.hero-intro { margin-top: 23px; font-family: var(--serif); font-size: 27px; line-height: 1.45; letter-spacing: -.35px; }
.hero-intro em { color: var(--accent); font-weight: 400; }
.bio { margin-top: 24px; color: #555952; font-size: 14px; line-height: 1.9; }
.bio p + p { margin-top: 12px; }
.bio a { color: var(--ink); border-bottom: 1px solid #c7c8bf; }
.bio a:hover { color: var(--accent); border-color: var(--accent); }
.profile-contact { display: flex; align-items: center; flex-wrap: wrap; gap: 22px 32px; margin-top: 27px; }
.profile-email { color: var(--accent); font-size: 13px; text-decoration: underline; text-decoration-color: #c5a4a5; }
.profile-email:hover { text-decoration-color: var(--accent); }
.affiliation-logos { display: flex; align-items: center; gap: 20px; }
.affiliation-logos img { object-fit: contain; mix-blend-mode: multiply; }
.nju-logo { height: 48px; width: auto; }
.lamda-logo { width: 118px; height: auto; }
.portrait { padding-top: 12px; }
.portrait-frame { position: relative; }
.portrait-frame::before { content: ""; position: absolute; left: 14px; top: 14px; right: -14px; bottom: -14px; border: 1px solid #d3c5be; border-radius: 3px; z-index: -1; }
.portrait img { width: 250px; height: auto; border-radius: 3px; }
.portrait figcaption { margin-top: 29px; display: flex; flex-direction: column; gap: 3px; font-size: 11px; line-height: 1.6; }
.portrait figcaption span:first-child { font-weight: 600; }
.portrait figcaption span:last-child { color: var(--muted); font-size: 10px; letter-spacing: .6px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section-label { color: var(--accent); margin-bottom: 13px; }
.research-section { padding-block: 40px 52px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.research-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 34px; gap: 30px; }
.research-item { padding-right: 25px; border-right: 1px solid var(--rule); }
.research-item:last-child { border-right: 0; padding-right: 0; }
.research-number { color: #966a67; font: 12px var(--serif); }
.research-item h3 { margin: 12px 0 8px; font-size: 15px; font-weight: 600; letter-spacing: -.2px; line-height: 1.5; }
.research-item p { font-size: 12px; color: var(--muted); line-height: 1.85; max-width: 290px; }
.publications-section { padding-block: 66px 28px; }
.text-link { color: var(--accent); font-size: 12px; font-weight: 500; padding-bottom: 3px; }
.text-link span { margin-left: 12px; }
.text-link:hover { text-decoration: underline; }
.publication-controls { margin-top: 28px; }
.year-filters { display: flex; flex-wrap: wrap; gap: 7px; }
.year-filters button { border: 1px solid transparent; color: var(--muted); background: transparent; min-width: 53px; min-height: 36px; padding: 6px 14px; border-radius: 4px; font-size: 12px; }
.year-filters button:hover { color: var(--accent); background: #f2eeea; }
.year-filters button[aria-pressed="true"] { background: var(--accent-soft); color: #763039; border-color: #e1cdce; }
.publication-note { color: var(--muted); font-size: 11px; margin: 15px 0 26px; }
.publication-year { display: grid; grid-template-columns: 105px minmax(0,1fr); border-top: 1px solid var(--rule); padding-top: 28px; }
.publication-year > h3 { font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.15; letter-spacing: -.5px; color: #7b8074; }
.paper { padding-bottom: 28px; margin-bottom: 25px; border-bottom: 1px solid #e8e8e1; }
.paper:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 33px; }
.paper-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 10px; }
.venue { color: var(--accent); background: var(--accent-soft); font-size: 9px; letter-spacing: .7px; font-weight: 600; padding: 3px 7px; border-radius: 2px; line-height: 1.5; }
.venue.preprint { background: #eceee7; color: #5d6551; }
.venue-note { color: var(--muted); font-size: 10px; }
.paper h4 { font-size: 16px; font-weight: 600; line-height: 1.6; letter-spacing: -.1px; max-width: 820px; }
.paper h4 a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.authors { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.authors strong { color: var(--ink); font-weight: 600; }
.authors sup { font-size: 9px; line-height: 0; }
.paper-links { display: flex; gap: 19px; margin-top: 9px; }
.paper-links a { color: var(--accent); font-size: 11px; font-weight: 500; min-height: 26px; display: inline-flex; align-items: center; gap: 5px; }
.paper-links a:hover { text-decoration: underline; }
.background-section { display: grid; grid-template-columns: 290px minmax(0,1fr); gap: 60px; padding-block: 52px 58px; border-top: 1px solid var(--rule); }
.background-intro > p:last-child { color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 19px; max-width: 240px; }
.education { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: 20px; padding-block: 22px; border-bottom: 1px solid var(--rule); }
.education:first-child { padding-top: 0; }
.education:last-child { padding-bottom: 0; border-bottom: 0; }
.education-date { color: var(--muted); font-size: 11px; padding-top: 3px; }
.education h3 { font-size: 14px; font-weight: 600; }
.education p { font-size: 12px; margin-top: 2px; }
.education-detail { font-size: 11px; color: var(--muted); }
.contact-section { display: flex; align-items: center; justify-content: space-between; gap: 35px; border-block: 1px solid var(--rule); padding-block: 34px 39px; }
.contact-section .section-label { font-size: 9px; margin-bottom: 9px; }
.contact-section h2 { font-size: 27px; letter-spacing: -.5px; }
.contact-section p:last-child { font-size: 11px; color: var(--muted); margin-top: 9px; }
.contact-email { color: var(--accent); font-size: 12px; white-space: nowrap; border-bottom: 1px solid #b78889; padding-bottom: 7px; }
.contact-email span { margin-left: 12px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 25px 35px; color: var(--muted); font-size: 10px; }
.footer-chinese { margin-left: 9px; font-size: 10px; }
.site-footer > div { display: flex; gap: 24px; }
@media (min-width: 1400px) { .hero { padding-top: 95px; padding-bottom: 90px; } }
@media (max-width: 1000px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 45px; grid-template-columns: minmax(0,1fr) 220px; }
  .portrait img { width: 220px; }
  .chinese-name { font-size: 22px; margin-left: 13px; }
  .background-section { grid-template-columns: 250px minmax(0,1fr); gap: 35px; }
  .education { grid-template-columns: 100px minmax(0,1fr); gap: 14px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .header-inner { height: auto; min-height: 100px; flex-direction: column; justify-content: center; gap: 5px; padding-top: 13px; }
  .wordmark { font-size: 13px; }
  nav { gap: 25px; font-size: 12px; }
  nav a { padding: 8px 0 11px; }
  nav a[aria-current]::after { bottom: 6px; }
  html { scroll-padding-top: 120px; }
  .hero { grid-template-columns: minmax(0,1fr) 150px; column-gap: 25px; padding: 44px 0; }
  .hero-copy { display: contents; }
  .hero .eyebrow { grid-column: 1 / -1; font-size: 9px; letter-spacing: 1px; margin-bottom: 17px; }
  h1 { grid-column: 1; font-size: 43px; letter-spacing: -1.8px; align-self: end; margin-top: 0; }
  .chinese-name { display: block; margin: 12px 0 0; font-size: 21px; }
  .hero-intro { grid-column: 1; font-size: 21px; margin-top: 18px; align-self: start; }
  .desktop-break { display: none; }
  .portrait { grid-column: 2; grid-row: 2 / 4; padding-top: 0; align-self: center; }
  .portrait img { width: 150px; }
  .portrait-frame::before { top: 8px; left: 8px; right: -8px; bottom: -8px; }
  .portrait figcaption { margin-top: 19px; font-size: 9px; }
  .portrait figcaption span:last-child { font-size: 9px; }
  .bio { grid-column: 1 / -1; font-size: 14px; margin-top: 28px; }
  .profile-contact { grid-column: 1 / -1; margin-top: 23px; }
  h2 { font-size: 31px; letter-spacing: -.7px; }
  .section-heading { gap: 15px; }
  .research-section { padding: 32px 0; }
  .research-grid { gap: 20px; margin-top: 26px; }
  .research-item { padding-right: 14px; }
  .research-item h3 { font-size: 13px; }
  .research-item p { font-size: 11px; }
  .publications-section { padding-top: 44px; }
  .publications-section .section-heading { flex-wrap: wrap; gap: 14px; }
  .publication-year { grid-template-columns: 65px minmax(0,1fr); }
  .publication-year > h3 { font-size: 25px; }
  .paper h4 { font-size: 14px; }
  .authors { font-size: 11px; }
  .background-section { grid-template-columns: 1fr; gap: 27px; padding: 36px 0; }
  .background-intro h2 br { display: none; }
  .background-intro > p:last-child { max-width: 100%; }
  .education { grid-template-columns: 110px minmax(0,1fr); }
  .contact-section { flex-direction: column; align-items: flex-start; gap: 20px; }
  .contact-section h2 { font-size: 25px; }
  .site-footer { align-items: flex-start; }
  .site-footer > div { flex-direction: column; align-items: flex-end; gap: 6px; }
}
@media (max-width: 480px) {
  .hero { grid-template-columns: minmax(0,1fr) 116px; column-gap: 18px; }
  h1 { font-size: 36px; }
  .chinese-name { font-size: 19px; }
  .hero-intro { font-size: 19px; line-height: 1.45; }
  .portrait img { width: 116px; }
  .portrait figcaption { font-size: 8px; }
  .research-grid { grid-template-columns: 1fr; gap: 21px; }
  .research-item { display: grid; grid-template-columns: 36px 1fr; column-gap: 10px; padding: 0 0 19px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .research-item:last-child { border-bottom: 0; padding-bottom: 0; }
  .research-number { padding-top: 5px; grid-row: 1 / 3; }
  .research-item h3 { margin: 0 0 6px; font-size: 14px; }
  .research-item p { font-size: 12px; max-width: none; }
  .publication-year { grid-template-columns: 1fr; padding-top: 23px; }
  .publication-year > h3 { margin-bottom: 22px; }
  .year-filters { gap: 3px; }
  .year-filters button { min-width: 44px; padding-inline: 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
@media print {
  body { background: white; font-size: 11pt; }
  .container { width: 100%; }
  .site-header, .skip-link, .publication-controls, .site-footer, .contact-section { display: none; }
  .hero { padding: 0 0 24px; }
  .publication-year[hidden] { display: grid !important; }
  .paper { break-inside: avoid; }
  .publications-section { padding-top: 24px; }
}