:root{
  --bg:#fff; --bg-alt:#f6f8fb; --fg:#1f2933; --muted:#5f6c7b; --line:#e3e8ee;
  --accent:#1565c0; --accent-fg:#fff; --card:#fff; --shadow:0 1px 3px rgba(16,24,40,.08);
}
:root[data-theme="dark"]{
  --bg:#12161c; --bg-alt:#181d25; --fg:#e6eaf0; --muted:#97a3b3; --line:#2a323d;
  --accent:#64a6f5; --accent-fg:#0b1118; --card:#1c222b; --shadow:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0}

.nav{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
.nav-in{max-width:1080px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:700;color:var(--fg);white-space:nowrap}
.nav nav{display:flex;align-items:center;gap:20px;overflow-x:auto}
.nav nav a{color:var(--fg);font-size:.95rem;white-space:nowrap}
.nav nav a:hover{color:var(--accent);text-decoration:none}
#theme{background:none;border:1px solid var(--line);color:var(--fg);border-radius:6px;font-size:1.1rem;line-height:1;padding:5px 8px;cursor:pointer}
#theme:hover{border-color:var(--accent);color:var(--accent)}

.hero{text-align:center;padding:56px 20px 40px}
.avatar{width:180px;height:180px;border-radius:50%;object-fit:cover;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.hero h1{font-size:2.2rem;margin-top:20px}
.role{margin:6px 0 0;font-size:1.15rem;color:var(--muted)}
.org{margin:0;font-size:1.05rem;font-weight:600}
.social{display:flex;justify-content:center;gap:18px;margin:18px 0 0}
.social a{display:inline-flex;width:28px;height:28px;color:var(--muted)}
.social a:hover{color:var(--accent)}
.social svg{width:100%;height:100%;fill:currentColor}

.wrap{padding:56px max(20px,calc((100% - 1040px)/2))}
.alt{background:var(--bg-alt)}
.wrap>h2{font-size:1.8rem;margin-bottom:28px}
.wrap>h2.sub{margin-top:48px}
.wrap h2::after{content:"";display:block;width:48px;height:3px;background:var(--accent);margin-top:10px;border-radius:2px}

.about{display:grid;grid-template-columns:3fr 2fr;gap:48px}
.about p{margin:0 0 1em}
.side h3{font-size:1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 10px}
.side h3:not(:first-child){margin-top:28px}
ul.plain,ul.edu{list-style:none;margin:0;padding:0}
ul.plain li{padding:3px 0}
ul.plain li::before{content:"\25B8";color:var(--accent);margin-right:8px}
ul.edu li{padding:6px 0}
ul.edu span{display:block;color:var(--muted);font-size:.93rem}

ul.rows{list-style:none;margin:0;padding:0}
.rows li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
.rows li:last-child{border-bottom:0}
.date{color:var(--muted);font-size:.9rem;font-variant-numeric:tabular-nums}
.muted{color:var(--muted);font-size:.93rem}

.timeline{list-style:none;margin:0;padding:0 0 0 22px;border-left:2px solid var(--line)}
.timeline li{position:relative;display:grid;grid-template-columns:170px 1fr;gap:16px;padding:0 0 26px}
.timeline li::before{content:"";position:absolute;left:-29px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}
.when{color:var(--muted);font-size:.9rem;padding-top:2px}
.timeline h3{font-size:1.05rem}
.org{margin:0}
.timeline .org{font-weight:400;color:var(--muted);margin-top:2px}
.note{font-size:.9rem;color:var(--muted)}

.themes{display:grid;gap:28px}
.theme{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:var(--shadow)}
.theme img{width:100%;height:auto;border-radius:6px;background:#fff}
.theme h3{font-size:1.2rem;margin-bottom:6px}
.theme p{margin:0}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:var(--shadow)}
.card .meta{font-size:.85rem;color:var(--accent);font-weight:600}
.card h3{font-size:1.1rem;margin:6px 0 8px}
.pub-auth{margin:0;color:var(--muted);font-size:.93rem}
.pub-auth b{color:var(--fg)}

h3.year{font-size:1.2rem;margin:32px 0 6px;padding-bottom:6px;border-bottom:1px solid var(--line)}
ul.pub-list{list-style:none;margin:0;padding:0}
.pub{padding:12px 0}
.pub-title{font-weight:600}
.pub-auth b{font-weight:700}
.pub-venue{font-size:.93rem}
.links{margin-top:6px;display:flex;flex-wrap:wrap;gap:6px}
.btn{display:inline-block;font-size:.8rem;border:1px solid var(--line);border-radius:5px;padding:1px 9px;color:var(--fg)}
.btn:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}

footer{text-align:center;color:var(--muted);font-size:.88rem;padding:32px 20px;border-top:1px solid var(--line)}
footer p{margin:0}

@media (max-width:760px){
  .brand{display:none}
  .nav-in{justify-content:flex-end}
  .about{grid-template-columns:1fr;gap:32px}
  .theme{grid-template-columns:1fr}
  .timeline li,.rows li{grid-template-columns:1fr;gap:2px}
  .wrap{padding:40px 20px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}