:root{--brand:#0b5f5f;--muted:#6b7280}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,Roboto,Arial,sans-serif;margin:0;background:#f8fafc;color:#0f172a}
.wrap{max-width:1000px;margin:0 auto;padding:20px}
.header{background:linear-gradient(90deg,var(--brand),#0b4b8b);color:#fff;padding:18px}
.header .brand{font-weight:800;text-decoration:none;color:#fff;font-size:1.1rem}
.nav{margin-top:10px}
.nav a{color:#fff;text-decoration:none;margin-right:12px;font-weight:600}
.card{background:#fff;padding:18px;border-radius:10px;box-shadow:0 6px 18px rgba(15,23,42,0.06);margin-top:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:12px}
.dept-card{padding:12px;border:1px solid #eef2f5;border-radius:8px;background:#fff}
.btn{display:inline-block;padding:8px 12px;background:var(--brand);color:#fff;border-radius:8px;text-decoration:none;font-weight:700}
.footer{margin-top:22px;color:var(--muted);font-size:0.95rem;text-align:center;padding:14px}
@media(max-width:700px){.grid{grid-template-columns:1fr}}