body{font-family:Inter,Arial,sans-serif;background:#f5f7fa;color:#111827;line-height:1.7;margin:0}
main{max-width:820px;margin:0 auto;padding:48px 22px 80px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:30px;box-shadow:0 6px 24px rgba(0,0,0,.06)}
h1,h2{color:#0f1e45} h1{margin-top:0} h2{margin-top:28px}
a{color:#1a56db} .muted{color:#6b7280;font-size:.9rem}.back{display:inline-block;margin-bottom:18px}
ul{padding-left:22px}