:root{--brand:#0B3A66;--accent:#C9A227;--bg:#f8fafc;--card:#ffffff;--muted:#64748b}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:#0f172a}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1000px;margin:0 auto;padding:20px}
.header{display:flex;align-items:center;justify-content:space-between;margin:6px 0 20px}
.brand{display:flex;align-items:center;gap:12px}.brand img{height:52px;border-radius:8px}
.brand h1{font-size:1.25rem;margin:0}
.nav a{margin-left:14px}
.hero{margin:8px 0 22px}.small{color:var(--muted);font-size:.95rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.card{background:var(--card);border:1px solid #e2e8f0;border-radius:14px;padding:16px;box-shadow:0 2px 6px rgba(2,6,23,.05)}
.button{display:inline-block;background:var(--brand);color:#fff;padding:10px 14px;border-radius:10px;margin-top:10px;text-decoration:none}
.post img{max-width:100%;height:auto;border-radius:12px;border:1px solid #e2e8f0;margin:8px 0}
.footer{margin:40px 0 10px;color:#475569;font-size:.9rem}
.linkbar{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 16px}
.linkbar a{display:inline-block;background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:6px 12px}
.linkbar a strong{color:#0B3A66}
.figure{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:12px;padding:10px 12px;margin:12px 0}
.badge{display:inline-block;background:var(--accent);color:#1f2937;padding:4px 8px;border-radius:999px;font-weight:700;font-size:.78rem;margin-left:8px}
.about{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:16px;margin-top:22px}
/* Floating back button */
.float-back{position:fixed;right:18px;bottom:18px;background:var(--brand);color:#fff;padding:12px 14px;border-radius:999px;box-shadow:0 6px 18px rgba(2,6,23,.2);z-index:999}
.float-back:hover{opacity:.95;text-decoration:none}