:root {
  color-scheme: light;
  --ground: #f3f7fa;
  --ink: #192830;
  --secondary: #516371;
  --link: #1e64a5;
  --cool: #dfebf3;
  --warm: #f2eee6;
  --glass: #ffffff63;
  --edge: #ffffff70;
  --rule: #53687924;
  --header: #f3f7fadb;
  font-family: 'Avenir Next', Avenir, 'Segoe UI', 'PingFang SC', sans-serif;
  color: var(--ink);
  background: var(--ground);
  scroll-behavior: smooth;
  scroll-padding-top: var(--anchor-offset, 100px);
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --ground: #1d2730;
  --ink: #edf3f8;
  --secondary: #b3c2cf;
  --link: #9ccdf4;
  --cool: #263c4e;
  --warm: #343635;
  --glass: #26344173;
  --edge: #b7cfe418;
  --rule: #c0d5e422;
  --header: #1d2730dc;
}
* { box-sizing: border-box; }
body { margin: 0; position: relative; isolation: isolate; min-height: 100vh; font-size: 16px; line-height: 1.7; font-weight: 500; -webkit-font-smoothing: antialiased; }
body::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse at 4% 4%,var(--cool),transparent 65%),radial-gradient(ellipse at 91% 88%,var(--warm),transparent 60%); }
a { color: var(--link); text-decoration: none; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration: underline; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button[hidden] { display: none; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; }
::selection { background: #b4d9ef; color: #192830; }
h1,h2,h3,p { margin: 0; }
h2 { font-size: 24px; font-weight: 700; line-height: 1.35; letter-spacing: -.035em; margin-bottom: 15px; }
h3 { font-size: 17px; line-height: 1.5; font-weight: 650; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid transparent; transition: background 200ms, border-color 200ms; }
.site-header.is-scrolled { background: var(--header); border-color: var(--rule); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.navigation { max-width: 1120px; margin: auto; min-height: 70px; display: flex; align-items: center; gap: 24px; justify-content: space-between; }
.navigation nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 27px; }
.navigation nav a { color: var(--secondary); font-weight: 600; font-size: 15px; padding: 16px 0; position: relative; }
.navigation nav a:hover { color: var(--link); text-decoration: none; }
.navigation nav a::after { content: ''; position: absolute; bottom: 10px; left: 0; right: 0; height: 2px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform 180ms; }
.navigation nav a[aria-current] { color: var(--link); }
.navigation nav a[aria-current]::after { transform: scaleX(1); }
.theme-button { display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; color: var(--ink); background: var(--glass); border: 1px solid var(--edge); border-radius: 10px; cursor: pointer; }
.theme-button:hover { border-color: var(--secondary); }
.theme-button span { display: flex; }
.theme-button .sun, [data-theme='dark'] .theme-button .moon { display: none; }
[data-theme='dark'] .theme-button .sun { display: flex; }
.profile-layout { max-width: 1120px; margin: 36px auto 0; display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 44px; align-items: start; }
.profile-sidebar { position: sticky; top: 106px; min-width: 0; }
.profile-card { padding: 19px 18px 23px; text-align: center; background: var(--glass); border: 1px solid var(--edge); border-radius: 16px; box-shadow: 0 12px 35px #22384908; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.profile-portrait { display: block; width: 208px; height: 208px; margin: 0 auto 19px; border-radius: 50%; object-fit: cover; }
.profile-card h1 { font-size: 23px; font-weight: 700; line-height: 1.35; letter-spacing: -.035em; white-space: nowrap; }
.profile-card h1 span { font-size: 20px; letter-spacing: -.04em; }
.profile-role { margin-top: 10px; }
.profile-role,.profile-affiliation { color: var(--secondary); font-size: 14px; line-height: 1.75; }
.profile-contacts { position: relative; display: flex; gap: 12px; justify-content: center; margin-top: 14px; }
.profile-contacts a,.wechat-contact summary { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 30px; height: 30px; color: var(--ink); }
.profile-contacts a:hover,.wechat-contact summary:hover,.wechat-contact[open] summary { color: var(--link); }
.wechat-contact { flex-shrink: 0; }
.wechat-contact summary { list-style: none; cursor: pointer; }
.wechat-contact summary::-webkit-details-marker { display: none; }
.wechat-info { position: absolute; z-index: 2; top: calc(100% + 9px); right: 0; width: max-content; max-width: 100%; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 8px; background: var(--ground); box-shadow: 0 6px 22px #19283014; color: var(--ink); font-size: 13px; line-height: 1.5; text-align: left; user-select: text; }
.wechat-info strong { font-weight: 650; }
.profile-main { min-width: 0; padding-top: 1px; }
.profile-main > section { scroll-margin-top: 0; }
.profile-main > section + section { margin-top: 31px; }
.profile-main > section > p { margin: 0 0 10px; }
.profile-main > section > p:last-child { margin-bottom: 0; }
.entry-title { display: flex; align-items: baseline; justify-content: space-between; gap: 6px 16px; flex-wrap: wrap; }
.entry-title h3 { flex: 1 1 340px; }
.entry-title strong { font-weight: 650; font-size: 17px; }
.date { font-size: 14px; color: var(--secondary); white-space: nowrap; }
.education-entry p { margin-top: 3px; }
.secondary { color: var(--secondary); font-size: 15px; }
.education-entry + .education-entry { margin-top: 22px; }
.project-entry p { margin-top: 3px; }
.project-entry + .project-entry { margin-top: 22px; }
#education,#publications,#awards,#service,#projects { border-top: 1px solid var(--rule); padding-top: 25px; }
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 16px; }
.news-list li + li { margin-top: 12px; }
.news-list time { font-size: 14px; color: var(--secondary); padding-top: 2px; }
.news-list a { font-size: 14px; white-space: nowrap; }
.contribution-note { color: var(--secondary); font-size: 13px; }
.publication-entry + .publication-entry { margin-top: 27px; }
.publication-entry h3 { font-size: 17px; line-height: 1.5; }
.publication-authors { margin-top: 7px; font-size: 14px; line-height: 1.7; }
.publication-authors strong { font-weight: 700; }
.publication-authors sup { line-height: 0; margin-left: 1px; }
.publication-venue { margin-top: 5px; font-size: 14px; font-style: italic; color: var(--secondary); }
.publication-venue.under-review { font-style: normal; }
.publication-description { font-size: 14px; color: var(--secondary); margin-top: 7px; }
.publication-links { display: flex; gap: 16px; margin-top: 7px; font-size: 14px; }
.awards-list { list-style: none; margin: 0; padding: 0; }
.awards-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 6px 18px; }
.awards-list li + li { margin-top: 13px; }
.award-detail { display: block; font-size: 14px; color: var(--secondary); }
.service-entry + .service-entry { margin-top: 23px; }
.service-entry > p { margin-top: 4px; }
.service-entry > p:not(.secondary) { font-size: 15px; }
.project-tools { font-size: 14px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.section-heading > a { font-size: 14px; }
.notes-description { color: var(--secondary); font-size: 15px; }
.notes-list { list-style: none; margin: 9px 0 0; padding: 0; }
.notes-list li { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 6px 0; }
.notes-list a { font-size: 15px; }
.notes-list time { font-size: 13px; color: var(--secondary); white-space: nowrap; }
.profile-main footer { border-top: 1px solid var(--rule); margin-top: 35px; padding: 20px 0 30px; display: flex; justify-content: space-between; gap: 18px; font-size: 13px; color: var(--secondary); }
.profile-main footer span span { margin-left: 7px; }
.profile-main footer a { color: var(--secondary); }
.skip-link { position: fixed; left: 12px; top: -100px; z-index: 50; background: var(--ground); padding: 8px 14px; }
.skip-link:focus { top: 10px; }
@media(min-width:781px) and (max-width:1190px) {
  .navigation,.profile-layout { margin-left: 32px; margin-right: 32px; }
  .profile-layout { grid-template-columns: 232px minmax(0,1fr); gap: 32px; }
  .profile-portrait { width: 190px; height: 190px; }
  .profile-card h1 { font-size: 21px; }
  .profile-card h1 span { font-size: 19px; }
}
@media(max-width:780px) {
  :root { scroll-padding-top: var(--anchor-offset, 120px); }
  .navigation { margin: 0 24px; gap: 12px; min-height: 64px; }
  .navigation nav { gap: 0 20px; }
  .navigation nav { padding: 8px 0; row-gap: 0; }
  .navigation nav a { font-size: 14px; padding: 9px 0; }
  .navigation nav a::after { bottom: 5px; }
  .site-header { background: var(--header); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
  .profile-layout { display: block; margin: 24px; }
  .profile-sidebar { position: static; }
  .profile-card { position: static; display: flex; align-items: center; gap: 24px; padding: 22px; text-align: left; }
  .profile-portrait { width: 135px; height: 135px; margin: 0; flex-shrink: 0; }
  .profile-card h1 { font-size: 25px; }
  .profile-card h1 span { font-size: 21px; }
  .profile-contacts { justify-content: start; margin-top: 9px; gap: 12px; }
  .profile-role { margin-top: 7px; }
  .profile-main { margin-top: 29px; }
  .profile-main > section + section { margin-top: 28px; }
}
@media(max-width:480px) {
  body { font-size: 15px; line-height: 1.75; }
  .navigation { margin: 0 20px; gap: 8px; }
  .navigation nav { gap: 0 15px; }
  .navigation nav a { font-size: 12px; padding: 7px 0; }
  .theme-button { width: 30px; height: 32px; border-radius: 8px; }
  .theme-button svg { width: 17px; height: 17px; }
  .profile-layout { margin: 20px; }
  .profile-card { padding: 18px 15px; gap: 17px; border-radius: 13px; }
  .profile-portrait { width: 104px; height: 104px; }
  .profile-card h1 { font-size: 21px; }
  .profile-card h1 span { font-size: 18px; }
  .profile-role,.profile-affiliation { font-size: 12px; }
  .profile-contacts { margin-top: 7px; gap: 9px; }
  .profile-contacts a,.wechat-contact summary { width: 26px; height: 26px; }
  h2 { font-size: 23px; }
  .entry-title { flex-wrap: wrap; gap: 2px 12px; }
  .date { font-size: 13px; }
  .secondary { font-size: 14px; }
  .news-list li { display: block; }
  .news-list time { display: block; font-size: 13px; margin-bottom: 2px; }
  .news-list li + li { margin-top: 17px; }
  .awards-list li { flex-wrap: wrap; }
  .awards-list li > div { width: 100%; }
  .notes-list li { display: block; padding: 8px 0; }
  .notes-list li + li { border-top: 1px solid var(--rule); }
  .notes-list time { display: block; font-size: 12px; margin-top: 2px; }
}
@media(max-width:360px) {
  .navigation { margin: 0 16px; }
  .navigation nav { gap: 0 11px; }
  .navigation nav a { font-size: 11px; }
  .profile-layout { margin: 18px 16px; }
  .profile-card { padding: 16px 12px; gap: 12px; }
  .profile-portrait { width: 84px; height: 84px; }
  .profile-card h1 { font-size: 19px; }
  .profile-card h1 span { font-size: 16px; }
  .profile-role,.profile-affiliation { font-size: 11px; }
}
@media(prefers-reduced-motion:reduce) { :root { scroll-behavior: auto; } *,*::before,*::after { transition: none !important; } }
@media print { .site-header,.theme-button,.skip-link { display: none; } body::before { display: none; } .profile-layout { margin: 0; } .profile-sidebar { position: static; } .profile-card { background: none; box-shadow: none; } :root { --ink: #192830; --secondary: #516371; --link: #24639a; background: white; } }