body { margin:0; font-family:Arial,Helvetica,sans-serif; background:#fff; color:#111; }
    .sheet { width:min(760px, 100%); margin:0 auto; padding:34px 24px; text-align:center; }
    img.logo { width:88px; height:88px; object-fit:contain; }
    h1 { margin:14px 0 6px; font-size:34px; }
    p { font-size:18px; margin:8px auto; max-width:560px; }
    .qr img { width:300px; max-width:84vw; margin:22px auto; }
    .url { font-size:15px; overflow-wrap:anywhere; }
    @media print { .sheet { padding-top:48px; } }