/* A shared glass surface system for Home and Research. */
:root{
 --canvas:#f3f6fa;
 --glass:rgba(255,255,255,.72);
 --glass-solid:#fafcfe;
 --glass-edge:rgba(255,255,255,.94);
 --glass-line:rgba(91,121,146,.16);
 --glass-shadow:0 12px 38px rgba(45,74,98,.055),inset 0 1px 0 rgba(255,255,255,.9);
 --glass-tint:rgba(224,235,246,.52);
}
:root[data-theme="dark"]{
 --canvas:#10161e;
 --glass:rgba(31,40,53,.73);
 --glass-solid:#1b2531;
 --glass-edge:rgba(187,208,234,.14);
 --glass-line:rgba(187,208,234,.13);
 --glass-shadow:0 14px 40px rgba(0,0,0,.16),inset 0 1px 0 rgba(221,234,250,.06);
 --glass-tint:rgba(91,131,176,.13);
}
body{background:var(--canvas);isolation:isolate}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 5% 3%,rgba(161,199,230,.3),transparent 49%),radial-gradient(ellipse at 95% 46%,rgba(201,187,222,.23),transparent 48%),radial-gradient(ellipse at 25% 98%,rgba(181,210,210,.2),transparent 48%)}
:root[data-theme="dark"] body::before{background:radial-gradient(ellipse at 5% 3%,rgba(60,103,151,.23),transparent 49%),radial-gradient(ellipse at 95% 46%,rgba(112,84,143,.18),transparent 48%),radial-gradient(ellipse at 25% 98%,rgba(55,110,117,.15),transparent 48%)}
/* Identical header geometry on both pages. */
.site-header{position:sticky;top:0;z-index:20;background:var(--glass);border-bottom:1px solid var(--glass-edge);box-shadow:0 3px 22px rgba(43,64,84,.035)}
.site-header .header-inner{height:76px;min-height:76px;padding:0;display:flex;align-items:center;gap:28px}
.site-header .brand{display:flex;align-items:center;gap:11px;font:400 22px/1.2 var(--serif);letter-spacing:0;white-space:nowrap}
.site-header .brand-mark.original-mark{width:32px;height:32px;border-radius:8px;box-shadow:inset 0 1px 0 rgba(255,255,255,.16)}
.site-header nav{display:flex;gap:5px;margin:0 0 0 auto;align-items:center}
.site-header nav a{font-size:17px;line-height:1.25;padding:8px 15px;border:1px solid transparent;border-radius:20px;color:var(--muted);font-weight:400}
.site-header nav a:hover{background:var(--glass-tint);color:var(--ink)}
.site-header nav a[aria-current="page"]{background:var(--glass);border-color:var(--glass-edge);box-shadow:0 2px 7px rgba(45,74,98,.05);color:var(--blue)}
.site-header .theme-control{margin:0;padding-left:20px;gap:7px;flex:none}
.site-header .theme-control select{font-size:15px;line-height:1.3;background:transparent}
.hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{background:var(--glass-solid);border:1px solid var(--glass-edge);border-radius:25px;box-shadow:var(--glass-shadow)}
@supports ((backdrop-filter:blur(20px)) or (-webkit-backdrop-filter:blur(20px))){
 .site-header,.hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{background:var(--glass);-webkit-backdrop-filter:blur(20px) saturate(115%);backdrop-filter:blur(20px) saturate(115%)}
}
main.wrap{padding-top:30px;padding-bottom:26px}
.hero{margin:0 0 24px;padding:40px;gap:38px;grid-template-columns:minmax(0,1fr) 208px;min-height:340px}
.hero h1{font-size:57px}.hero .portrait{width:208px;height:243px;border-radius:18px;border:1px solid var(--glass-edge);box-shadow:0 8px 24px rgba(45,74,98,.12)}
.hero .affiliation{font-size:17px}.hero .profile-links{gap:12px;font-size:16px}
.profile-links a,.statement-link{border:1px solid var(--glass-line);background:var(--glass);padding:5px 14px;border-radius:20px;text-decoration:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.profile-links a:hover,.statement-link:hover{background:var(--glass-tint);border-color:var(--glass-line)}
.section{margin:0 0 24px;padding:34px 38px;grid-template-columns:210px minmax(0,1fr);gap:34px}
.section:last-child{margin-bottom:0}.statement-copy .statement-primary{font-size:21px}.statement-link{font-size:16px}
.research-page .page-heading{padding:34px 38px;margin:0 0 30px;border-bottom:1px solid var(--glass-edge)}
.research-page .page-heading h1{font-size:50px}.research-jumps{gap:12px;margin-top:22px}
.research-jumps a{border:1px solid var(--glass-line);border-radius:20px;padding:5px 15px;background:var(--glass);font-size:16px}
.research-page .research-section>h2,.research-page .wip>h2{margin:0 0 20px;padding-left:8px}
.research-page .paper,.research-page .paper:first-of-type{padding:28px 32px 28px 72px;margin:0 0 18px}
.research-page .paper::before,.research-page .paper:first-of-type::before{top:32px;left:28px;font-size:14px;color:var(--muted)}
.research-page .paper h3{font-size:27px}.paper .paper-topline{margin-bottom:10px}.paper .award{margin-bottom:14px}
.paper details>summary{border-radius:12px;padding:4px 10px;margin-left:-10px}.paper details>summary:hover{background:var(--glass-tint)}
.abstract-body{border:1px solid var(--glass-line);border-radius:16px;background:var(--glass-tint);padding:18px 22px;margin-bottom:14px}
.paper .abstract-body .description{font-size:17px}.conference-list{padding-top:8px}
.wip{padding:20px 0 28px}.wip article{padding:26px 32px;margin:0 0 18px}.wip article+article{margin-top:0}.wip article:last-child{margin-bottom:0}.wip h3{font-size:26px}
.research-page .research-contact{margin:0;padding:22px 30px}
.site-footer{border-color:var(--glass-line);background:transparent;padding:24px 0 30px}
@media(max-width:760px){
 .site-header .header-inner{gap:16px}.site-header nav a{padding:7px 11px;font-size:16px}.site-header .theme-control{padding-left:12px}
 .hero{padding:30px;grid-template-columns:minmax(0,1fr) 150px;gap:24px;min-height:0}.hero h1{font-size:clamp(30px,4.9vw,39px)}.hero .portrait{width:150px;height:175px}
 .section{padding:28px;grid-template-columns:155px minmax(0,1fr);gap:26px}.research-page .page-heading{padding:28px}
}
@media(max-width:540px){
 .site-header .header-inner{height:100px;min-height:100px;display:grid;grid-template-columns:1fr auto;gap:0 12px;padding:10px 0 8px}
 .site-header .brand{grid-row:1;grid-column:1;font-size:20px;gap:9px}.site-header .brand-mark.original-mark{width:28px;height:28px;border-radius:7px}
 .site-header .theme-control{grid-row:1;grid-column:2;border:0;padding:0;width:auto}.site-header .theme-control select{font-size:14px}
 .site-header nav{grid-row:2;grid-column:1/-1;justify-content:center;margin:5px 0 0;gap:8px}.site-header nav a{font-size:16px;padding:5px 14px}
 main.wrap{padding-top:18px;padding-bottom:20px}.wrap{width:calc(100% - 32px)}
 .hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{border-radius:21px}
 .hero{padding:22px;grid-template-columns:minmax(0,1fr) 80px;gap:20px 14px;margin-bottom:16px}.hero h1{font-size:clamp(24px,7vw,34px);gap:0 6px;margin:0}.hero .affiliation{font-size:15px;line-height:1.6;margin:0}.hero .portrait{width:80px;height:94px;border-radius:12px}.hero .profile-links{gap:8px;font-size:15px}.profile-links a{padding:4px 10px}
 .section{display:block;padding:24px;margin-bottom:16px}.section .section-head{margin-bottom:18px}.section h2{font-size:27px}.statement-copy .statement-primary{font-size:19px}.statement-copy .research-statement:not(.statement-primary){font-size:17px}.education-list .institution{font-size:19px}.education-list .degree{font-size:16px}.contact-layout .emails{font-size:16px}
 .research-page .page-heading{padding:24px;margin-bottom:26px}.research-page .page-heading h1{font-size:42px}.research-jumps{gap:8px;margin-top:18px}.research-jumps a{font-size:15px;padding:4px 11px}.research-jumps span{margin-left:6px}
 .research-page .research-section>h2,.research-page .wip>h2{font-size:27px;padding-left:4px;margin-bottom:16px}
 .research-page .paper,.research-page .paper:first-of-type{padding:22px;margin-bottom:16px}.research-page .paper::before,.research-page .paper:first-of-type::before{position:static;font-size:13px;margin-bottom:10px}
 .research-page .paper h3,.wip h3{font-size:24px}.paper .meta{font-size:16px}.paper .award{font-size:14px}.paper details>summary{font-size:16px}.abstract-body{padding:14px}.paper .abstract-body .description{font-size:17px}
 .wip{padding:14px 0 24px}.wip article{padding:22px;margin-bottom:16px}.research-page .research-contact{padding:20px;font-size:15px}
}
@media(prefers-reduced-transparency:reduce){.site-header,.hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{background:var(--glass-solid);-webkit-backdrop-filter:none;backdrop-filter:none}}

/* More expressive liquid-glass edges, with clear typography. */
:root{--canvas:#eef3f9;--glass:rgba(255,255,255,.48);--glass-solid:#f7fafd;--glass-edge:rgba(255,255,255,.91);--glass-line:rgba(98,124,151,.18);--glass-shadow:inset 0 1px 1px rgba(255,255,255,.96),inset 0 -1px 1px rgba(134,159,184,.09),0 12px 36px rgba(54,83,113,.075),0 2px 5px rgba(54,83,113,.025)}
:root[data-theme="dark"]{--canvas:#101722;--glass:rgba(38,49,67,.55);--glass-solid:#1c2736;--glass-edge:rgba(215,231,253,.2);--glass-line:rgba(185,211,244,.17);--glass-shadow:inset 0 1px 1px rgba(224,237,255,.16),inset 0 -1px 1px rgba(0,0,0,.15),0 14px 42px rgba(0,0,0,.18)}
body::before{background:radial-gradient(ellipse at 0% 5%,rgba(124,178,229,.35),transparent 52%),radial-gradient(ellipse at 100% 32%,rgba(188,170,222,.31),transparent 48%),radial-gradient(ellipse at 28% 92%,rgba(143,197,209,.24),transparent 48%)}
:root[data-theme="dark"] body::before{background:radial-gradient(ellipse at 0% 5%,rgba(59,116,183,.32),transparent 52%),radial-gradient(ellipse at 100% 32%,rgba(119,91,170,.26),transparent 48%),radial-gradient(ellipse at 28% 92%,rgba(48,121,137,.2),transparent 48%)}
.site-header{clip-path:inset(0 round 999px);overflow:hidden;isolation:isolate;width:min(1096px,calc(100% - 48px));margin:14px auto 0;top:12px;border:1px solid var(--glass-edge);border-radius:999px;background:var(--glass-solid);box-shadow:var(--glass-shadow)}
.site-header .header-inner{width:100%;height:72px;min-height:72px;padding:0 25px;gap:24px}
.site-header nav a{padding:8px 16px;transition:background .18s,box-shadow .18s}
.site-header nav a[aria-current="page"]{box-shadow:inset 0 1px 1px rgba(255,255,255,.9),0 3px 9px rgba(56,85,111,.06)}
.hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{border-radius:29px;background:var(--glass-solid);box-shadow:var(--glass-shadow)}
@supports ((backdrop-filter:blur(24px)) or (-webkit-backdrop-filter:blur(24px))){
 .site-header{background:linear-gradient(140deg,rgba(255,255,255,.35),rgba(255,255,255,0) 55%),var(--glass);-webkit-backdrop-filter:blur(28px) saturate(145%);backdrop-filter:blur(28px) saturate(145%)}
 .hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{background:linear-gradient(145deg,rgba(255,255,255,.33),rgba(255,255,255,0) 58%),var(--glass);-webkit-backdrop-filter:blur(24px) saturate(130%);backdrop-filter:blur(24px) saturate(130%)}
 :root[data-theme="dark"] .site-header,:root[data-theme="dark"] .hero,:root[data-theme="dark"] .section,:root[data-theme="dark"] .research-page .page-heading,:root[data-theme="dark"] .research-page .paper,:root[data-theme="dark"] .wip article,:root[data-theme="dark"] .research-page .research-contact{background:linear-gradient(145deg,rgba(205,225,255,.07),rgba(205,225,255,0) 58%),var(--glass)}
}
.profile-links a,.statement-link,.research-jumps a{border-color:var(--glass-edge);background:linear-gradient(145deg,rgba(255,255,255,.48),rgba(255,255,255,.08)),var(--glass);box-shadow:inset 0 1px 1px rgba(255,255,255,.75),0 3px 9px rgba(60,91,122,.045);transition:background .18s,box-shadow .18s,transform .18s}
:root[data-theme="dark"] .profile-links a,:root[data-theme="dark"] .statement-link,:root[data-theme="dark"] .research-jumps a{background:linear-gradient(145deg,rgba(210,230,255,.08),transparent),var(--glass);box-shadow:inset 0 1px 1px rgba(220,235,255,.12),0 3px 9px rgba(0,0,0,.08)}
.profile-links a:active,.statement-link:active,.research-jumps a:active{transform:scale(.97)}
.hero .portrait{border-radius:21px}
@media(max-width:760px){.site-header{width:calc(100% - 32px)}.site-header .header-inner{padding:0 18px;gap:14px}.site-header nav a{padding:7px 11px}}
@media(max-width:540px){
 .site-header{clip-path:inset(0 round 28px);width:calc(100% - 24px);margin-top:10px;top:8px;border-radius:28px}.site-header .header-inner{height:100px;min-height:100px;padding:11px 16px 9px;gap:0 10px}.site-header nav{margin-top:6px}.site-header nav a{padding:5px 14px}
 main.wrap{padding-top:18px}.hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{border-radius:26px}
 .hero{display:flex;flex-direction:column;align-items:center;gap:0;padding:27px 20px 25px;text-align:center}.hero-copy{display:contents}
 .hero .portrait-block{order:0;margin:0 0 21px}.hero .portrait{width:104px;height:122px;border-radius:22px}
 .hero h1{order:1;display:flex;justify-content:center;align-items:baseline;font-size:clamp(28px,8vw,36px);gap:0 6px;line-height:1.22;margin:0 0 17px;white-space:nowrap}.hero .chinese-name{font-size:.73em}.hero .name-divider{font-size:.6em}
 .hero .affiliation{order:2;grid-column:auto;font-size:16px;line-height:1.65;margin:0;max-width:330px}
 .hero .profile-links{order:3;display:flex;justify-content:center;gap:8px;margin:20px 0 0;flex-wrap:wrap;font-size:15px}.profile-links a{padding:5px 11px}
 .section h2{font-size:26px}.statement-copy .statement-primary{font-size:18px;line-height:1.75}.statement-copy .research-statement:not(.statement-primary){font-size:17px;line-height:1.75}.statement-link{font-size:15px}
 .research-page .page-heading h1{font-size:40px}.research-page .research-section>h2,.research-page .wip>h2{font-size:26px}.research-page .paper h3,.wip h3{font-size:23px;line-height:1.4}
}
@media(prefers-reduced-motion:reduce){.profile-links a,.statement-link,.research-jumps a,.site-header nav a{transition:none;transform:none}}
@media(prefers-reduced-transparency:reduce){.site-header,.hero,.section,.research-page .page-heading,.research-page .paper,.wip article,.research-page .research-contact{background:var(--glass-solid)!important;-webkit-backdrop-filter:none;backdrop-filter:none}}

.site-footer{border-top:0}

/* Advisor links and a local QR share sheet. */
.advisor{font-size:16px;line-height:1.65;color:var(--muted);margin:6px 0 0}.advisor a{text-decoration-color:var(--glass-line)}
.profile-links .share-trigger,.share-trigger{display:inline-flex;align-items:center;justify-content:center;gap:6px}.research-share{margin-top:14px}.research-share .share-trigger{font-size:16px;color:var(--blue);padding:5px 14px;border:1px solid var(--glass-edge);border-radius:999px;background:var(--glass);text-decoration:none;box-shadow:inset 0 1px 1px rgba(255,255,255,.2)}
.share-dialog{box-sizing:border-box;width:min(390px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:0;margin:auto;border:1px solid var(--glass-edge);border-radius:30px;color:var(--ink);background:var(--glass-solid);box-shadow:var(--glass-shadow),0 24px 90px rgba(18,36,57,.22);overflow:auto}
.share-dialog::backdrop{background:rgba(17,30,47,.3);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}
.share-card{position:relative;padding:28px;text-align:center}.share-close{position:absolute;top:13px;right:13px;width:32px;height:32px;border:1px solid var(--glass-line);border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--glass);color:var(--muted);cursor:pointer}
.share-eyebrow{font-size:14px;line-height:1.5;color:var(--muted);margin:4px 0 8px}.share-card h2{font-size:32px;margin:0 0 7px}.share-caption{font-size:16px;line-height:1.5;color:var(--muted);margin:0 0 20px}.share-qr{background:#fff;border:1px solid rgba(34,61,82,.08);border-radius:21px;padding:10px;width:fit-content;max-width:100%;margin:0 auto 15px}.share-qr img{display:block;width:100%;max-width:244px;height:auto;aspect-ratio:1}.share-url{font-size:17px;text-decoration:none}.share-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:21px}.share-actions button,.share-actions a{font:16px/1.5 var(--serif);color:var(--blue);border:1px solid var(--glass-line);border-radius:999px;padding:7px 16px;background:var(--glass);text-decoration:none;cursor:pointer}.share-actions button:hover,.share-actions a:hover,.share-close:hover{background:var(--glass-tint)}.share-status{font-size:14px;color:var(--muted);min-height:1.5em;line-height:1.5;margin:12px 0 0}.share-dialog button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
@media(max-width:540px){.advisor{font-size:15px}.share-card{padding:25px 22px 18px}.share-card h2{font-size:30px}.share-dialog{border-radius:27px}.share-actions button,.share-actions a{font-size:15px;padding:7px 13px}.research-share .share-trigger{font-size:15px}}