body {
    margin: 0;
    padding: 0;
    font-family: system-ui, sans-serif;
    background: #fafafa;
    color: #222;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-bottom: 2px solid #e5e5e5;
}

header h1 {
    margin: 0 0 0.5rem;
    font-size: 2.5rem;
    color: #0070f3;
}

header p {
    margin: 0;
    font-size: 1.2rem;
    color: #666;
}

main {
    margin-bottom: 3rem;
}

section {
    margin-bottom: 2.5rem;
    padding: 1.5rem 0;
}

section:not(:last-child) {
    border-bottom: 1px solid #e5e5e5;
}

footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 2px solid #e5e5e5;
    color: #666;
    font-size: 0.9rem;
}

h1, h2, h3, h4, h5, h6 {
    margin: 1em 0 0.5em;
    font-weight: 600;
}

p {
    margin: 0 0 1em;
    line-height: 1.6;
}

a {
    color: #0070f3;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}