/* Estilo não intrusivo para o menu principal */
.main-menu {
    background-color: #ffffff;
    padding: 10px 0;
    text-align: center;
    border-bottom: 1px solid #ddd;
}
.menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.menu-list li {
    display: inline-block;
    margin: 0 15px;
}
.menu-list li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-family: Arial, sans-serif;
}
.menu-list li a:hover {
    color: #007BFF;
}