body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.6;
    background: #f8f9fb;
    color: #222;
}

header {
    text-align: center;
    margin-bottom: 50px;
}

h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

h2 {
    margin-top: 40px;
    color: #333;
    border-bottom: 2px solid #ddd;
    padding-bottom: 8px;
}

section {
    background: white;
    padding: 24px;
    margin-bottom: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

.subtitle {
    color: #666;
    font-size: 1.1rem;
}