body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f9fafb;
    color: #1f2937;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    background: white;
    min-height: 100vh;
}

h1, h2 {
    color: #111827;
}

a {
    color: #4f46e5;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 40px;
    border-top: 1px solid #e5e7eb;
    padding-top: 20px;
    color: #6b7280;
    font-size: 14px;
}