.painel {
    display: flex;
    gap: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 90%;
    max-width: 1100px;
    overflow: hidden;
}

.menu-boxes {
    display: flex;
    flex-direction: column;
    background: #f9f9f9;
    border-right: 2px solid #ddd;
    width: 35%;
}

.box {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px;
    border-bottom: 1px solid #ddd;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
    font-weight: 500;
    color: #333;
    height: 30px;
    display: flex;
    align-items: center;
}

.box:hover, .box.ativo {
    background-color: #f2c94c;
    color: #000;
}

.conteudos {
    flex: 1;
    padding: 30px;
    background: #fff;
}

.conteudo {
    display: none;
    animation: aparecer 0.3s ease;
}

.conteudo.ativo {
    display: block;
}

@keyframes aparecer {
    from {opacity: 0; transform: translateY(10px);}
    to {opacity: 1; transform: translateY(0);}
}

.conteudo h3 {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin: 0 0 20px;
}

.conteudo p {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 15px;
    margin: 0 0 20px;
}

.conteudo ul {
    padding-left: 20px;
}

.conteudo ul li {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-bottom: 10px;
    list-style-type: disc;
    list-style-position: inside;
}

.conteudo ul li::marker {
    color: #f2c94c;
}

.conteudo b {
    font-weight: 700;
}

.conteudo a {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-decoration: none;
    color: #333;
    transition: color 0.2s;
}

.conteudo a:active, .conteudo a:focus {
    color: #007BFF;
}

@media (max-width: 800px) {
    .painel { flex-direction: column; }
    .menu-boxes { width: 100%; border-right: none; border-bottom: 2px solid #ddd; }
}