body{margin:0;font-family:Georgia,serif;background:#eef7fb;color:#1d3557}header{background:linear-gradient(90deg,#0f766e,#2563eb);color:#fff;padding:60px 20px;text-align:center}nav a{color:#fff;text-decoration:none;margin:0 14px;font-weight:bold}.container{max-width:1000px;margin:40px auto;padding:0 20px}.panel{background:#fff;border-left:8px solid #14b8a6;padding:28px;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.08);margin-bottom:24px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 14px rgba(0,0,0,.08)}footer{background:#1d3557;color:#fff;text-align:center;padding:20px;margin-top:40px}