body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem;
    color: #1a1a2e;
    background: #f8f9fa;
}

h1 {
    color: #16213e;
}

.container {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

ul {
    line-height: 1.8;
}