body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    color: #222;
    border-bottom: 2px solid #ddd;
    padding-bottom: 10px;
}

h2 {
    color: #444;
    margin-top: 20px;
}

p,
ul {
    margin-bottom: 15px;
}

.update-date {
    font-size: 0.9em;
    color: #666;
}

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

a:hover {
    text-decoration: underline;
}