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

/* Fonte padrão */
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f5f6fa;
    color: #222;
    line-height: 1.6;
    min-height: 100vh;
}