body { font-family: Arial, Helvetica, sans-serif; line-height:1.6; color:#222; margin:20px; max-width:900px; }
    img.header { width:100%; height:auto; border-radius:6px; margin-bottom:18px; }
    h1 { color:#0b5f8a; }
    h2 { color:#0b5f8a; margin-top:24px; }
    p { margin:12px 0; }
    ul { margin:10px 0 18px 20px; }
    .cta { display:inline-block; background:#0b5f8a; color:#fff; padding:10px 16px; text-decoration:none; border-radius:4px; margin-top:12px; }
    .note { font-size:0.95em; color:#555; margin-top:8px; }