body { font-family: Arial, sans-serif; line-height: 1.6; color: #111; max-width: 800px; margin: 24px auto; padding: 0 16px; }
    img.header-image { width: 100%; height: auto; border-radius: 6px; margin-bottom: 18px; }
    h1 { font-size: 28px; margin-top: 0; }
    h2 { font-size: 20px; margin-top: 20px; color: #1a73e8; }
    p { margin: 10px 0; }
    ul { margin: 10px 0 10px 20px; }
    .cta { display: inline-block; background: #ff6b00; color: #fff; padding: 12px 18px; text-decoration: none; border-radius: 6px; margin-top: 12px; }
    .muted { color: #555; font-size: 14px; }