body {
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f6f7fb;
    color: #1f2937;
}

main {
    max-width: 720px;
    margin: 64px auto;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

h1 {
    margin: 0 0 8px;
    font-size: 32px;
}

p {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
}