body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 40px 16px;
    color: #333;
}

.card {
    background: white;
    max-width: 700px;
    margin: 0 auto;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

h1 {
    font-size: 1.8em;
    margin-bottom: 0.6em;
    color: #111;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ol {
    padding-left: 20px;
}

.cta-container {
    text-align: center;
    margin-top: 24px;
}

a.cta {
    display: inline-block;
    padding: 14px 24px;
    background: #007bff;
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s ease;
}

a.cta:hover {
    background: #0056b3;
}

footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9em;
    color: #666;
}