/* Personal academic homepage, adapted from GitHub Pages Minimal (CC0). */
:root { color-scheme:light; --ink:#252d35; --muted:#67727c; --blue:#23678a; --line:#e5e9ec; --bg:#ffffff; --surface:#f4f7f8; --secondary:#4e5a65; --hover:#174b67; --selected:#ffffff; --gold:#836122; --gold-bg:#faf4e6; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:36px; }
body { margin:0; padding:64px 32px 30px; font:15px/1.75 "Segoe UI", "Microsoft YaHei", sans-serif; color:var(--ink); background:var(--bg); }
a { color:var(--blue); }
a:hover { color:var(--hover); text-decoration:underline; }
a:focus-visible { outline:2px solid var(--blue); outline-offset:5px; }
.wrapper { width:1060px; max-width:100%; display:grid; grid-template-columns:240px minmax(0,1fr); gap:88px; margin:auto; }
.profile { position:sticky; top:40px; align-self:start; float:none; width:auto; padding:0; }
.language-switch { display:flex; width:fit-content; gap:2px; padding:3px; margin-bottom:24px; border:1px solid var(--line); border-radius:5px; background:var(--surface); }
.language-switch[hidden] { display:none; }
.language-switch button { border:0; border-radius:3px; padding:6px 12px; background:transparent; color:var(--muted); font:12px/1.5 "Segoe UI", "Microsoft YaHei", sans-serif; cursor:pointer; }
.language-switch button[aria-pressed="true"] { background:var(--blue); color:var(--selected); }
.language-switch button:focus-visible { outline:2px solid var(--blue); outline-offset:3px; }
html[lang="zh-CN"] .intro-title, html[lang="zh-CN"] .section-heading h2 { font-family:Georgia,"Songti SC","SimSun",serif; }
@media print { .language-switch { display:none; } }
.portrait { display:block; width:160px; height:160px; object-fit:cover; border:1px solid var(--line); border-radius:50%; margin-bottom:26px; }
h1 { margin:0; font:600 43px/1.12 Georgia,serif; letter-spacing:-1.5px; }
.name-dot { color:var(--blue); }
.username { color:var(--muted); font-size:13px; margin:6px 0 22px; }
.tagline { line-height:1.7; margin-bottom:20px; }
.affiliation { color:var(--muted); font-size:14px; }
.profile-links { display:grid; gap:5px; font-size:13px; }
.profile-links span { padding-left:3px; }
nav { display:grid; gap:6px; border-top:1px solid var(--line); margin-top:27px; padding-top:23px; }
nav a { font-size:14px; width:fit-content; color:var(--secondary); }
.sidebar-note { font-size:11px; color:var(--muted); margin-top:28px; }
main { min-width:0; }
section { float:none; width:auto; border:0; padding:0; margin:0 0 43px; }
.eyebrow { color:var(--muted); letter-spacing:2px; font-size:10px; font-weight:600; margin:0 0 17px; }
.intro-title { font:400 36px/1.2 Georgia,serif; margin:0 0 14px; letter-spacing:-.8px; }
.lead { font-size:20px; line-height:1.5; color:var(--secondary); margin-bottom:21px; }
strong { font-weight:600; }
.topics { display:flex; flex-wrap:wrap; gap:7px; margin:23px 0; }
.topics span { font-size:11px; color:var(--secondary); background:var(--surface); border:1px solid var(--line); border-radius:3px; padding:3px 9px; }
.collaboration { border-left:2px solid var(--line); padding-left:15px; color:var(--secondary); font-size:13px; }
.collaboration span { color:var(--muted); font-size:12px; }
.section-heading { display:flex; align-items:baseline; justify-content:space-between; gap:12px; border-bottom:1px solid var(--line); padding-bottom:12px; margin-bottom:24px; }
.section-heading h2 { font:400 26px/1.25 Georgia,serif; margin:0; color:var(--ink); }
.section-heading > span { color:var(--muted); font-size:9px; letter-spacing:1.2px; white-space:nowrap; }
.publications { list-style:none; padding:0; margin:0; }
.publications li { margin-bottom:25px; }
.paper-meta { display:flex; gap:12px; flex-wrap:wrap; align-items:center; font-size:10px; color:var(--muted); margin-bottom:7px; }
.venue { color:var(--blue); font-weight:700; letter-spacing:.3px; }
h3 { font-size:15px; font-weight:600; line-height:1.55; margin:0; color:var(--ink); }
.paper-note { color:var(--muted); font-size:11px; margin:5px 0 0; }
.honors { list-style:none; padding:0; margin:0; }
.honors li { display:grid; grid-template-columns:92px minmax(0,1fr); gap:17px; margin-bottom:22px; align-items:start; }
.award { font-size:11px; color:var(--secondary); background:var(--surface); padding:3px 5px; text-align:center; border-radius:3px; margin-top:2px; }
.award.winner { color:var(--gold); background:var(--gold-bg); }
.honors h3 { font-size:14px; font-weight:500; }
.honors p { color:var(--muted); font-size:12px; line-height:1.6; margin:3px 0 0; }
.small-heading { font-size:13px; margin:20px 0 8px; }
.tool-list { color:var(--muted); font-size:13px; line-height:2; }
.contact-list { display:grid; grid-template-columns:65px 1fr; gap:7px 14px; font-size:13px; }
.contact-list dt { font-weight:400; color:var(--muted); }
.contact-list dd { margin:0; overflow-wrap:anywhere; }
footer { width:auto; position:static; float:none; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; border-top:1px solid var(--line); padding:18px 0 0; font-size:10px; color:var(--muted); }
.skip-link { position:fixed; left:12px; top:-100px; padding:8px; background:var(--bg); z-index:2; }
.skip-link:focus { top:12px; }
@media (max-width:960px) { .wrapper, div.wrapper { width:100%; margin:0; grid-template-columns:200px minmax(0,1fr); gap:40px; } body { padding:40px 28px; } .profile { position:sticky; top:24px; } section { border:0; padding:0; margin:0 0 38px; } }
@media (max-width:680px) { body { padding:30px 23px; } .wrapper, div.wrapper { display:block; } .profile { position:static; border-bottom:1px solid var(--line); padding-bottom:24px; margin-bottom:31px; } .portrait { width:96px; height:96px; float:right; margin:0 0 12px 16px; } h1 { font-size:37px; } .username { margin-bottom:15px; } .tagline { margin-bottom:12px; } .affiliation { margin-bottom:13px; } nav { display:flex; flex-wrap:wrap; gap:6px 18px; padding-top:17px; margin-top:19px; } nav a { font-size:12px; } .sidebar-note { display:none; } .intro-title { font-size:31px; } .lead { font-size:18px; } .desktop-break { display:none; } .section-heading h2 { font-size:24px; } .section-heading > span { font-size:8px; letter-spacing:.5px; } .honors li { grid-template-columns:78px minmax(0,1fr); gap:12px; } .award { font-size:10px; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }
@media print { body { padding:0; font-size:11pt; } .wrapper, div.wrapper { display:block; } .profile { position:static; } nav,.skip-link,.sidebar-note { display:none; } section { break-inside:auto; } .honors li,.publications li { break-inside:avoid; } }




/* Appearance controls and theme palette. */
:root[data-theme="dark"] { color-scheme:dark; --ink:#e3e9ee; --muted:#a5b2be; --blue:#8dc8e8; --line:#36424e; --bg:#171c22; --surface:#242e38; --secondary:#bdcbd6; --hover:#b4e1fa; --selected:#15232d; --gold:#e6c779; --gold-bg:#352e20; }
@media (prefers-color-scheme:dark) { :root:not([data-theme]) { color-scheme:dark; --ink:#e3e9ee; --muted:#a5b2be; --blue:#8dc8e8; --line:#36424e; --bg:#171c22; --surface:#242e38; --secondary:#bdcbd6; --hover:#b4e1fa; --selected:#15232d; --gold:#e6c779; --gold-bg:#352e20; } }
h1, h2, strong { color:var(--ink); }
.language-switch { margin-bottom:10px; }
.theme-switch { display:flex; width:fit-content; max-width:100%; gap:2px; padding:3px; margin-bottom:24px; border:1px solid var(--line); border-radius:5px; background:var(--surface); }
.theme-switch[hidden] { display:none; }
.theme-switch button { border:0; border-radius:3px; padding:6px 10px; background:transparent; color:var(--muted); font:12px/1.5 "Segoe UI","Microsoft YaHei",sans-serif; cursor:pointer; }
.theme-switch button[aria-pressed="true"] { background:var(--blue); color:var(--selected); }
.theme-switch button:focus-visible { outline:2px solid var(--blue); outline-offset:3px; }
.label-zh, html[lang="zh-CN"] .label-en { display:none; }
html[lang="zh-CN"] .label-zh { display:inline; }
@media print {
  :root, :root[data-theme] { color-scheme:light; --ink:#252d35; --muted:#67727c; --blue:#23678a; --line:#e5e9ec; --bg:#ffffff; --surface:#f4f7f8; --secondary:#4e5a65; --gold:#836122; --gold-bg:#faf4e6; }
  .theme-switch { display:none; }
}