body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;max-width:720px;margin:0 auto;padding:32px 20px;color:#222;line-height:1.55}
h1{font-size:28px}h2{font-size:18px;margin-top:28px}p{margin:8px 0}a{color:#2E9BFF}
.top{display:flex;gap:16px;align-items:center;margin-bottom:24px}.top span{font-weight:800;font-size:20px}nav a{margin-right:14px}
small{color:#777}