body{font-family:Segoe UI,Roboto,Arial,sans-serif;max-width:900px;margin:28px auto;color:#111}
header{display:flex;align-items:center;justify-content:space-between}
h1{margin:0 0 8px 0;font-size:40px}
.note{color:#444;margin-bottom:16px}
ul.links{list-style:none;padding:0;margin:0}
ul.links li{padding:10px;border-bottom:1px solid #eee}
ul.links li a{color:#0066cc;text-decoration:none;font-weight:600}
ul.links li p{margin:6px 0 0 0;color:#666}
.hint{background:#f8f8f8;border-left:4px solid #ddd;padding:10px;margin:16px 0}