:root {
    color-scheme: light;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #333;
    background: #fff;
}

body {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

h1 {
    margin-top: 30px;
    font-size: 24px;
}

h2 {
    margin-top: 25px;
    font-size: 20px;
}

h3 {
    margin-top: 20px;
    font-size: 18px;
}

p,
ul {
    margin: 15px 0;
}

ul {
    padding-left: 30px;
}

.updated {
    margin-bottom: 30px;
    color: #666;
    font-style: italic;
}

.important {
    margin: 20px 0;
    padding: 15px;
    border-left: 4px solid #007bff;
    background: #f8f9fa;
}