body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background-color: #f7f8fa;
    color: #1f2937;
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 40px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.updated {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 30px;
}

h2 {
    font-size: 22px;
    margin-top: 40px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 8px;
}

h3 {
    font-size: 18px;
    margin-top: 25px;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #2563eb;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 60px;
    font-size: 14px;
    color: #6b7280;
    text-align: center;
}