body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
    background: #f7f9fb;
    color: #111;
    margin: 0;
}

.container {
    max-width: 800px;
    margin: 60px auto;
    padding: 0 20px;
}

h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

h2 {
    font-size: 18px;
    margin-top: 40px;
    margin-bottom: 10px;
}

p {
    line-height: 1.6;
}

ul {
    padding-left: 18px;
}

.section {
    margin-bottom: 30px;
}

.subtitle {
    color: #555;
}

.footer {
    margin-top: 60px;
    font-size: 13px;
    color: #777;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

a {
    color: #444;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}