:root {
  --bg:#f7f9fc; --panel:#fff; --text:#162033; --muted:#5b6474; --primary:#0b63ce; --green:#0e9f6e; --border:#e2e8f0; --shadow:0 18px 45px rgba(22,32,51,.08);
}
html[data-theme="dark"] { --bg:#0d1117; --panel:#141b24; --text:#eef4ff; --muted:#a5b0c0; --primary:#58a6ff; --green:#3fb950; --border:#273241; --shadow:0 18px 45px rgba(0,0,0,.35); }
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,rgba(11,99,206,.12),transparent 34rem),var(--bg);color:var(--text);line-height:1.65}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem clamp(1rem,4vw,4rem);border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--panel) 88%,transparent);backdrop-filter:blur(16px)}
.brand{font-weight:900;color:var(--text);letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:.9rem}
.nav a{font-size:.92rem;color:var(--muted);font-weight:700}
.theme-toggle,.menu-toggle{border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:999px;padding:.5rem .7rem;cursor:pointer}
.menu-toggle{display:none}
.section{max-width:1180px;margin:0 auto;padding:5rem clamp(1rem,4vw,2rem);scroll-margin-top:5rem;text-align:center}
.section-heading{max-width:760px;margin:0 auto 1.5rem;text-align:center}
.eyebrow{color:var(--green);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;margin:0 0 .5rem}
h1,h2,h3{line-height:1.18;margin-top:0}
h1{font-size:clamp(2.7rem,8vw,5.4rem);letter-spacing:-.07em;margin:.5rem 0 1rem}
h2{font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.05em}
h3{font-size:1.18rem}
.hero{min-height:auto;padding-top:5.5rem}
.hero-inner{max-width:920px;margin:0 auto;text-align:center}
.photo-wrap{width:210px;height:210px;margin:0 auto 1.2rem;border-radius:50%;padding:8px;background:linear-gradient(135deg,var(--primary),var(--green));box-shadow:var(--shadow)}
.profile-img{width:100%;height:100%;object-fit:cover;border-radius:50%;background:var(--panel)}
.subtitle{font-size:clamp(1.1rem,2vw,1.35rem);color:var(--muted);font-weight:700;max-width:760px;margin-left:auto;margin-right:auto}
.hero-summary{color:var(--muted);font-size:1.05rem;max-width:790px;margin-left:auto;margin-right:auto}
.hero-actions,.socials,.filters{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:center;margin-top:1.4rem}
.button,.filter{display:inline-flex;align-items:center;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:.72rem 1rem;border-radius:999px;font-weight:850;box-shadow:0 8px 25px rgba(0,0,0,.04);cursor:pointer}
.button.primary,.filter.active{background:var(--primary);border-color:var(--primary);color:white}
.socials a{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);font-size:1.15rem}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;max-width:860px;margin:2rem auto 0}
.metrics-grid div,.card,.publication,.people-grid article,.timeline article,.service-columns>div,.scholar-card,.visitor-map-card,.contact{background:var(--panel);border:1px solid var(--border);border-radius:1.35rem;padding:1.25rem;box-shadow:var(--shadow)}
.metrics-grid b{display:block;color:var(--primary);font-size:1.2rem}
.metrics-grid span{display:block;color:var(--muted);font-size:.85rem}
.cards{display:grid;gap:1rem;max-width:980px;margin:0 auto}
.cards.two{grid-template-columns:repeat(2,minmax(280px,1fr))}
.card{text-align:center}
.card span{display:inline-block;margin-bottom:.6rem;color:var(--green);font-weight:850;font-size:.85rem}
.card p,.publication p,.people-grid p,.timeline p,.note{color:var(--muted)}
.timeline{display:grid;gap:.85rem;max-width:880px;margin:0 auto}
.timeline article{display:grid;grid-template-columns:90px 1fr;gap:1rem;text-align:left;align-items:start}
.timeline time{color:var(--primary);font-weight:900}
.timeline p{margin:0}
.publication-list{display:grid;gap:.9rem;max-width:900px;margin:1.3rem auto 0}
.publication{text-align:left;position:relative;padding-left:5.25rem}
.publication span{position:absolute;left:1.2rem;top:1.25rem;color:white;background:var(--primary);border-radius:999px;padding:.25rem .55rem;font-size:.78rem;font-weight:900}
.people-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;max-width:980px;margin:0 auto}
.service-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;max-width:980px;margin:0 auto}
.service-columns ul{display:inline-block;text-align:left;margin-bottom:0;padding-left:1.2rem;color:var(--muted)}
.scholar-card{display:grid;grid-template-columns:repeat(3,1fr);max-width:780px;margin:0 auto;text-align:center}
.scholar-card span{display:block;font-size:clamp(2rem,5vw,3.2rem);color:var(--primary);font-weight:950;letter-spacing:-.05em}
.scholar-card p{margin:0;color:var(--muted);font-weight:800}
code{background:color-mix(in srgb,var(--primary) 10%,transparent);border:1px solid var(--border);border-radius:.35rem;padding:.1rem .3rem}
.visitor-map-card{max-width:900px;margin:0 auto}
.visitor-map-placeholder{min-height:320px;display:grid;place-items:center;text-align:center;border:1px dashed var(--border);border-radius:1.15rem;padding:2rem;background:radial-gradient(circle at 20% 20%,color-mix(in srgb,var(--primary) 15%,transparent),transparent 15rem),radial-gradient(circle at 80% 40%,color-mix(in srgb,var(--green) 13%,transparent),transparent 14rem)}
.visitor-map-placeholder i{font-size:3rem;color:var(--primary)}
.contact{max-width:900px;margin-bottom:3rem}
footer{border-top:1px solid var(--border);text-align:center;color:var(--muted);padding:2rem}
@media(max-width:900px){.menu-toggle{display:inline-flex}.nav{display:none;position:absolute;left:1rem;right:1rem;top:68px;background:var(--panel);border:1px solid var(--border);border-radius:1rem;padding:1rem;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}.nav.open{display:flex}.cards.two,.people-grid,.service-columns,.metrics-grid,.scholar-card{grid-template-columns:1fr}.timeline article{grid-template-columns:1fr}.publication{padding-left:1.25rem;padding-top:3.2rem}.photo-wrap{width:170px;height:170px}}

#news .news-box {
  border: 1px solid var(--border) !important;
  border-radius: 12px;
  background: var(--panel);
  max-height: 320px;
  overflow-y: auto;
  padding: 1rem 1.5rem;
  max-width: 880px;
  margin: 1.3rem auto 0;
  text-align: left !important;
  box-shadow: var(--shadow);
}

#news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

#news .news-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
  text-align: left;
}

#news .news-list li:last-child {
  border-bottom: none;
}

#news .news-date {
  font-style: italic;
  color: var(--muted);
  font-weight: 700;
  margin-right: 0.4rem;
}