:root{--bg:#0f172a;--card:#111827;--text:#e5e7eb;--muted:#94a3b8;--accent:#3b82f6}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}a,body{color:var(--text)}a{text-decoration:none}.container{max-width:1040px;margin:0 auto;padding:24px}.btn{display:inline-block;padding:12px 16px;border-radius:9999px;background:var(--accent);color:#fff;font-weight:600}.btn.secondary{background:transparent;border:1px solid #334155}.card{background:var(--card);border:1px solid #1f2937;border-radius:16px;padding:20px}.hero{display:grid;gap:24px;align-items:center}@media (min-width:900px){.hero{grid-template-columns:320px 1fr}}.portrait-wrap{position:relative;width:280px;height:280px;margin:0 auto}.portrait-back{position:absolute;inset:-24px;background:radial-gradient(80% 80% at 50% 50%,#1f2a44,#0f172a);border-radius:9999px}.portrait-img,.portrait-img img{width:100%;height:100%;border-radius:9999px;display:block}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0 8px;border-bottom:1px solid #1f2937;margin-bottom:20px}.nav a{padding:8px 12px;color:var(--muted)}.nav a.active,.nav a:hover{color:#fff}.grid{display:grid;gap:16px}@media (min-width:900px){.grid{grid-template-columns:repeat(3,1fr)}}.muted{color:var(--muted)}