/* Academic profile. Native CSS; variance 3 / motion 1 / density 4. */
:root{color-scheme:light;--bg:#fff;--text:#202a32;--body:#46515b;--muted:#65717c;--line:#e3e8ec;--soft:#f5f8fa;--accent:#234f73;--button:#234f73;--white:#fff}
:root[data-theme=dark]{color-scheme:dark;--bg:#161c22;--text:#e5edf3;--body:#b9c6d0;--muted:#a0afbd;--line:#34404b;--soft:#1f2932;--accent:#a6cee9;--button:#a6cee9;--white:#14212b}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}a,button{touch-action:manipulation}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}p,h1,h2,h3{margin:0}ul,ol{margin:0;padding:0;list-style:none}i{font-style:normal}.skip{position:fixed;top:-80px;left:16px;background:var(--bg);padding:10px;z-index:10}.skip:focus{top:8px}.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.nav{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}.nav-inner{max-width:1120px;margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;gap:24px}.brand-name{font-weight:650;font-size:16px}.brand-name i{margin-left:10px;color:var(--muted);font-size:13px;font-weight:400}.nav-right,.nav-links{display:flex;align-items:center;gap:28px}.nav-links a{color:var(--body);font-size:14px}.nav-links a.active{color:var(--accent);text-decoration:underline;text-underline-offset:8px}.theme-btn{border:1px solid var(--line);background:var(--bg);color:var(--muted);border-radius:5px;padding:5px 10px;font-size:12px}.ico-dark{display:none}[data-theme=dark] .ico-dark{display:inline}[data-theme=dark] .ico-light{display:none}
.page-layout{max-width:1120px;padding:64px 32px 0;margin:auto;display:grid;grid-template-columns:245px minmax(0,1fr);gap:72px}.profile{position:sticky;top:126px;align-self:start}.profile-label{font-size:12px;color:var(--muted);margin-bottom:20px}.profile h1{font-size:39px;line-height:1.3;font-weight:650;letter-spacing:2px}.profile h1 span{display:block;font-size:25px;font-weight:450;letter-spacing:-.6px;margin-top:8px}.profile-affiliation{margin-top:25px;color:var(--body);font-size:14px}.profile-period{margin-top:14px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.profile-email{display:block;font-size:12px;margin-top:22px}.btn{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:5px;padding:9px 14px;margin-top:17px;font-size:13px;max-width:208px}.btn:hover{background:var(--soft);text-decoration:none;border-color:var(--accent)}.profile-interests{border-top:1px solid var(--line);margin-top:30px;padding-top:22px}.profile-interests h2{font-size:12px;font-weight:600;color:var(--muted);margin-bottom:8px}.profile-interests p{font-size:13px;line-height:2;color:var(--body)}.page-content{min-width:0}.sec{padding-bottom:48px;margin-bottom:44px;border-bottom:1px solid var(--line);scroll-margin-top:100px}.sec-title{font-size:20px;line-height:1.5;letter-spacing:.1px;font-weight:600;margin-bottom:23px}.sec-title .en{display:inline-block;color:var(--muted);font-size:12px;font-weight:400;margin-left:14px;letter-spacing:0}.intro-lead{font-size:25px;color:var(--text)!important;line-height:1.6!important;font-weight:500;letter-spacing:-.4px;margin-bottom:18px!important}.about-right>p{color:var(--body);margin-bottom:14px;line-height:1.95}.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.facts li{display:flex;flex-direction:column}.facts strong{font-size:20px;font-weight:550;line-height:1.5;font-variant-numeric:tabular-nums}.facts strong i{font-size:12px;font-weight:400;color:var(--muted)}.facts span{font-size:11px;color:var(--muted);margin-top:3px}.paper{display:flex;flex-direction:column;position:relative;background:var(--soft);border-radius:6px;padding:26px 28px;margin-bottom:35px}.paper-body{order:1}.paper-meta{order:2;margin-top:18px}.paper-title{font-size:20px;font-weight:550;line-height:1.55;letter-spacing:-.3px}.paper-abstract{color:var(--body);font-size:13px;margin-top:14px}.paper-label,.paper-cite{display:none}.paper-journal{font-size:13px;font-weight:600}.paper-sub{display:inline;font-size:12px;color:var(--muted);margin-right:14px}.paper-doi{font-size:12px;margin-top:8px;overflow-wrap:anywhere}.stamp{font-size:11px;color:var(--accent);font-weight:500}.paper-stamp{order:0;align-self:flex-start;margin-bottom:10px}.ongoing-head{margin-top:32px}.dossier{padding:0 0 25px;margin-bottom:22px}.dossier .stamp{display:none}.dossier-title,.entry-title{font-size:16px;font-weight:600;line-height:1.65}.dossier-meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:11px;color:var(--muted);margin:8px 0 10px}.dossier-body,.entry-body{font-size:13px;color:var(--body);line-height:1.95}.glossary{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px}.term{font-size:14px;font-weight:550}.term-en{display:block;font-size:11px;font-weight:400;color:var(--muted)}.gloss{font-size:12px;color:var(--body);margin-top:5px}.sec-note:empty{display:none}.chronicle>li{display:grid;grid-template-columns:62px minmax(0,1fr);gap:20px;margin-bottom:32px}.year{font-variant-numeric:tabular-nums;color:var(--muted)}.year strong{display:block;font-size:14px;font-weight:500}.year span{font-size:11px}.entry-meta{font-size:12px;color:var(--muted);margin:8px 0}.conf-grid{display:grid;gap:22px}.conf-card{padding-left:20px;border-left:2px solid var(--line)}.conf-top{display:flex;gap:14px;color:var(--muted);font-size:11px}.conf-card h3{font-size:15px;font-weight:550;margin:5px 0}.conf-role{font-size:12px;color:var(--muted)}.conf-body{font-size:13px;color:var(--body);margin-top:8px}.honors{display:grid;gap:25px}.honors li{display:grid;grid-template-columns:64px 1fr;column-gap:18px}.honor-date{font-size:12px;color:var(--muted);padding-top:2px}.honors h3{font-size:14px;font-weight:550}.honor-note{grid-column:2;font-size:12px;color:var(--muted);margin-top:5px}.roles>li{position:relative;margin-bottom:27px}.roles h3{font-size:15px;font-weight:600}.role-org{display:block;font-size:13px;font-weight:400;color:var(--body)}.role-main p{font-size:13px;color:var(--body);margin-top:7px}.role-time{font-size:11px;color:var(--muted);margin-top:6px}.methods{margin-top:35px;background:var(--soft);border-radius:6px;padding:22px 24px;display:grid;gap:18px}.method-col h3{font-size:13px;font-weight:600;margin-bottom:4px}.method-col p{font-size:12px;color:var(--body)}.sec-contact{border:0;padding-bottom:0;margin-bottom:0}.contact-title{font-size:20px;font-weight:600;margin-bottom:14px}.contact-lead{font-size:13px;color:var(--body)}.contact-mail{display:flex;align-items:center;gap:16px;margin:18px 0}.mail-link{font-size:19px;overflow-wrap:anywhere}.copy-btn{font-size:11px;color:var(--accent);border:1px solid var(--line);background:var(--bg);padding:5px 10px;border-radius:4px;white-space:nowrap}.contact-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:11px;color:var(--muted)}.footer{margin-top:46px;padding:23px 0;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.footer-brand{display:none}.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
@media(min-width:1400px){.page-layout{padding-top:78px}}
@media(max-width:900px){.page-layout{grid-template-columns:200px minmax(0,1fr);gap:36px;padding:40px 24px 0}.nav-inner{padding:0 24px}.nav-right,.nav-links{gap:18px}.sec-title .en{display:block;margin:5px 0 0}.intro-lead{font-size:23px}.paper{padding:22px}.paper-title{font-size:18px}.profile-email{font-size:11px}}
@media(max-width:640px){html{scroll-padding-top:125px}.nav-inner{min-height:95px;padding:12px 20px;flex-wrap:wrap;gap:10px}.brand-name{font-size:14px}.brand-name i{font-size:12px}.nav-right{width:100%;justify-content:space-between;gap:12px}.nav-links{gap:23px}.nav-links a{font-size:12px}.theme-btn{font-size:10px;padding:2px 8px}.page-layout{display:block;padding:32px 20px 0}.profile{position:static;border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:30px}.profile-label{margin-bottom:12px}.profile h1{font-size:32px}.profile h1 span{display:inline;font-size:23px;margin-left:16px;letter-spacing:-.6px}.profile-affiliation{margin-top:15px}.profile-period{margin-top:10px}.profile-interests{display:none}.profile-email{font-size:13px;margin-top:14px}.btn{margin-top:13px}.sec{scroll-margin-top:120px;padding-bottom:32px;margin-bottom:30px}.sec-title{font-size:18px;margin-bottom:19px}.sec-title .en{display:inline;margin-left:10px;font-size:10px}.intro-lead{font-size:21px}.about-right>p{font-size:14px}.facts{gap:10px}.facts strong{font-size:18px}.facts span{font-size:10px}.paper{padding:20px}.paper-title{font-size:18px}.glossary{gap:20px}.chronicle>li{grid-template-columns:48px minmax(0,1fr);gap:13px}.entry-title,.dossier-title{font-size:15px}.mail-link{font-size:16px}.footer-inner{display:block}.footer-copy{margin-top:6px}}
@media(max-width:360px){.nav-links{gap:17px}.profile h1 span{font-size:21px}.sec-title .en{display:block;margin:5px 0 0}.facts{grid-template-columns:1fr 1fr}.glossary{grid-template-columns:1fr}.contact-mail{gap:10px}.mail-link{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.nav,.profile .btn,.copy-btn{display:none}.page-layout{display:block;padding:0}.profile{position:static;margin-bottom:25px}.profile-interests{display:none}.sec{break-inside:avoid}.paper{background:none;border:1px solid #ccc}body{font-size:11pt}}

/* Bilingual controls and contact hierarchy */
.lang-btn{border:1px solid var(--line);background:var(--bg);color:var(--accent);border-radius:5px;padding:5px 10px;font-size:12px;font-weight:600;letter-spacing:.08em}
.theme-btn:hover,.lang-btn:hover{border-color:var(--accent);color:var(--accent)}
.profile-emails{margin-top:22px}
.profile-emails .profile-email{margin-top:7px}
.profile-emails .profile-email:first-child{margin-top:0}
.contact-mail + .contact-mail{margin-top:10px}
[data-lang="en"] .profile-label,[data-lang="en"] .profile-affiliation,[data-lang="en"] .profile-period,[data-lang="en"] .profile-interests h2,[data-lang="en"] .btn,[data-lang="en"] .contact-title,[data-lang="en"] .copy-btn{letter-spacing:0}
@media(max-width:640px){.lang-btn{font-size:10px;padding:2px 8px}.profile-emails{margin-top:14px}.profile-emails .profile-email{font-size:13px}.contact-mail{gap:10px}}
[data-lang="en"] .sec-title .en,[data-lang="en"] .term-en{display:none}