@font-face{font-family:ar pl kaitim big5;src:url(../fonts/kaiti-name.woff2)format("woff2");font-display:swap;unicode-range:U+570B,U+6BB7,U+8D99}:root{--brand:#8399b0;--bg:#fbfbfa;--surface:#ffffff;--text:#1f2328;--muted:#5d6470;--border:#e2e5e9;--accent:#3e5671;--accent-soft:#e8edf2;--bar-bg:var(--brand);--bar-text:#13233a;--bar-hover:rgba(255, 255, 255, 0.35);--font-body:"Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;--font-heading:"Source Serif 4", Georgia, "Times New Roman", serif;--font-zh:"AR PL KaitiM Big5", "BiauKai", "DFKai-SB", "KaiTi", serif;--header-h:60px;--max-w:820px;--content-w:820px;color-scheme:light}:root[data-theme=dark]{--bg:#15171a;--surface:#1d2024;--text:#e6e3de;--muted:#a1a7b0;--border:#2e3238;--accent:#a9bccf;--accent-soft:#263240;--bar-bg:#2c3a4a;--bar-text:#e6ecf2;--bar-hover:rgba(131, 153, 176, 0.3);color-scheme:dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#15171a;--surface:#1d2024;--text:#e6e3de;--muted:#a1a7b0;--border:#2e3238;--accent:#a9bccf;--accent-soft:#263240;--bar-bg:#2c3a4a;--bar-text:#e6ecf2;--bar-hover:rgba(131, 153, 176, 0.3);color-scheme:dark}}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:600;line-height:1.3;margin:0}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:8px;z-index:100;background:var(--surface);padding:6px 10px}.label{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.site-header{position:sticky;top:0;z-index:10;background:var(--bar-bg);border-bottom:3px solid var(--brand)}.header-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.site-title{font-family:var(--font-heading);font-size:1.2rem;font-weight:600;color:var(--bar-text)}.site-title:hover{text-decoration:none;opacity:.8}.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.site-nav a{color:var(--bar-text);padding:6px 10px;border-radius:6px;font-size:.97rem}.site-nav a:hover{background:var(--bar-hover);text-decoration:none}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;margin-left:6px;border:1px solid;border-radius:50%;background:0 0;color:var(--bar-text);cursor:pointer}.theme-toggle:hover{background:var(--bar-hover)}.theme-toggle .icon-sun{display:none}:root[data-theme=dark] .theme-toggle .icon-sun{display:block}:root[data-theme=dark] .theme-toggle .icon-moon{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-toggle .icon-sun{display:block}:root:not([data-theme=light]) .theme-toggle .icon-moon{display:none}}.page-shell{max-width:var(--content-w);margin:0 auto;padding:48px 24px 24px}.profile{display:flex;align-items:center;gap:28px;padding-bottom:32px;margin-bottom:32px;border-bottom:1px solid var(--border)}.portrait{flex:none;width:185px;height:185px;object-fit:cover;border-radius:50%;border:3px solid var(--brand)}.profile-name{font-size:1.75rem;margin-bottom:4px}.profile-name-zh{font-family:var(--font-zh);font-weight:400;font-size:.85em;color:var(--muted);margin-left:6px;letter-spacing:.05em}.profile-role{margin:0;font-weight:600}.profile-affiliation{margin:0 0 10px;color:var(--muted)}.profile-links{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.97rem}@media(max-width:600px){.profile{flex-direction:column;text-align:center;gap:16px}.profile-links{justify-content:center}}.section{padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--border)}.section:last-child{border-bottom:none;margin-bottom:0}.section h2{font-size:1.6rem;margin-bottom:20px}.section h2::after{content:"";display:block;width:44px;height:3px;margin-top:8px;background:var(--brand);border-radius:2px}.intro{font-size:1.12rem}.intro p:first-child{margin-top:0}.subsection{font-family:var(--font-body);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:28px 0 12px}.section h2+.subsection{margin-top:0}.paper{padding:16px 0;border-top:1px solid var(--border)}.subsection+.paper{border-top:none;padding-top:4px}.paper-title{font-size:1.15rem;margin-bottom:4px}.paper-meta{margin:0;color:var(--muted);font-size:.97rem}.paper-note{font-style:italic}.paper-actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}.pill{display:inline-block;font-size:.85rem;padding:2px 12px;border-radius:999px;background:var(--accent-soft);border:1px solid transparent}.pill:hover{text-decoration:none;border-color:var(--accent)}.abstract{margin-top:10px}.abstract summary{cursor:pointer;font-size:.9rem;color:var(--muted);width:fit-content}.abstract summary:hover{color:var(--accent)}.abstract-body{margin-top:8px;padding:12px 16px;background:var(--surface);border-left:3px solid var(--brand);border-radius:0 6px 6px 0;font-size:.97rem}.abstract-body p{margin:0}.course-list{list-style:none;padding:0;margin:0}.course-list li{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:6px 0;border-bottom:1px dashed var(--border)}.course-terms{color:var(--muted);font-size:.95rem}.course-name .pill{margin-left:8px;vertical-align:1px}.contact-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.contact-grid p{margin:0;word-break:break-word}.site-footer{max-width:var(--max-w);margin:0 auto;padding:24px;color:var(--muted);font-size:.85rem;text-align:center}@media(max-width:600px){.header-inner{padding:8px 16px}.page-shell{padding:28px 16px 16px}.site-nav a{padding:4px 8px}}