body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f8f9fb;
    color: #1f2937;
}

.container {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 1rem;
}

h1 {
    margin-bottom: 1rem;
}