body{font-family:Arial,sans-serif;margin:0;background:#f4f7fb;color:#333}header{background:#0d6efd;color:#fff;padding:40px;text-align:center}.container{max-width:1000px;margin:auto;padding:20px}section{background:#fff;padding:20px;margin:20px 0;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.08)}a{color:#0d6efd}