body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f9fc;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

h4 {
    margin-top: 0;
    font-size: 1.0em;
    font-weight: 600;
    border-bottom: 3px solid #4e7ec3;
    display: inline-block;
    padding-bottom: 3px;
}

p {
    font-size: 16px;
    line-height: 1.6;
}

ol {
    padding-left: 20px;
}

ol li {
    margin: 8px 0;
    font-size: 18px;
}

a {
    text-decoration: none;
    color: #2458a6;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
    color: #777;
}