* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1a1a2e;
    background: #fafafa;
    line-height: 1.6;
}

main {
    max-width: 640px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #4a3f8a;
}

h2 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: #4a3f8a;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #4a3f8a;
}

ol, ul {
    margin: 0.5rem 0 1.5rem 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

dl {
    margin: 0.5rem 0 1.5rem 0;
}

dt {
    font-weight: 600;
    margin-top: 1rem;
}

dd {
    margin: 0.25rem 0 0 1rem;
    color: #444;
}

section {
    margin-bottom: 1.5rem;
}

footer {
    max-width: 640px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
}