:root{
  --bg:#ffffff;
  --fg:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --card:#ffffff;
  --accent:#2563eb;
  --accent2:#0ea5e9;
  --soft:#f8fafc;
  --shadow:0 10px 30px rgba(0,0,0,.06);
  --radius:18px;
  --maxw:1040px;
  --font:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji";
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);
  color:var(--fg);
  font-family:var(--font);
  line-height:1.62;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:28px 18px 60px}
.topbar{
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:space-between;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  position:sticky;
  top:14px;
  z-index:10;
  box-shadow:0 8px 24px rgba(15,23,42,.05);
}
.brand{display:flex;gap:10px;align-items:center;min-width:0;color:var(--fg)}
.brand:hover{text-decoration:none}
.dot{width:10px;height:10px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent2));flex:0 0 auto}
.brand-title{font-weight:760;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}
.nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav a{color:var(--fg);font-weight:650;font-size:14px;padding:8px 11px;border-radius:999px}
.nav a:hover{background:#eff6ff;text-decoration:none;color:var(--accent)}
.nav a.active{background:#eff6ff;color:var(--accent)}
.hero{
  margin-top:26px;
  display:grid;
  grid-template-columns:170px 1fr;
  gap:24px;
  align-items:start;
}
.avatar{
  width:170px;
  height:170px;
  border-radius:24px;
  object-fit:cover;
  border:1px solid var(--line);
  background:#f3f4f6;
  box-shadow:var(--shadow);
}
.kicker{color:var(--accent);font-weight:750;letter-spacing:.04em;text-transform:uppercase;font-size:12px;margin:0 0 6px}
h1{margin:0;font-size:36px;line-height:1.15;letter-spacing:-.035em}
.h-sub{margin:10px 0 12px;color:var(--muted);font-size:17px;max-width:780px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:13px 0 0}
.chip{border:1px solid var(--line);background:#fff;padding:6px 10px;border-radius:999px;color:#475569;font-size:13px;font-weight:560}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.linkpill{border:1px solid var(--line);padding:8px 11px;border-radius:999px;background:#fff;font-weight:630;color:var(--fg)}
.linkpill:hover{background:#eff6ff;text-decoration:none;color:var(--accent)}
.grid{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:18px}
.card.full{grid-column:1/-1}
.card h2{margin:0 0 10px;font-size:18px;letter-spacing:-.01em}
.card h3{margin:18px 0 8px;font-size:16px;letter-spacing:-.01em}
.card p{margin:0 0 10px}
.meta{color:var(--muted);font-size:14px}
.list{margin:10px 0 0;padding-left:19px}
.list li{margin:7px 0}
.pub-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.pub-item{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.pub-num{font-weight:800;color:var(--accent);margin-right:4px}
.pub-title{font-weight:720}
.pub-note{margin-top:6px;color:#475569;font-size:14px}
.section-title{margin-top:26px;margin-bottom:14px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.badge{display:inline-block;border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:3px 8px;font-size:12px;font-weight:700;margin-left:6px;vertical-align:1px}
footer{margin-top:22px;color:var(--muted);font-size:13px}
@media (max-width:760px){
  .topbar{position:static;border-radius:18px;align-items:flex-start;flex-direction:column}
  .nav{justify-content:flex-start}
  .hero{grid-template-columns:1fr}
  .avatar{width:145px;height:145px}
  h1{font-size:30px}
  .grid,.two-col{grid-template-columns:1fr}
  .card.full{grid-column:auto}
}