/* Estilos para melhorar a aparência do accordion */
.panel-group .panel {
    border-radius: 4px;
    border: 1px solid #ddd;
}

.panel-group .panel+.panel {
    margin-top: 5px;
}

.panel-default>.panel-heading {
    background-color: #f5f5f5;
    border-bottom: 1px solid #ddd;
}

.panel-title>a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: #333;
    position: relative;
}

.panel-title>a:hover {
    text-decoration: none;
    color: #454545;
}

.panel-title>a:focus {
    text-decoration: none;
    outline: none;
}

/* Animação do ícone */
.panel-title>a .glyphicon {
    transition: transform 0.3s ease;
}

.panel-title>a:not(.collapsed) .glyphicon {
    transform: rotate(90deg);
}

/* Ajustes para o conteúdo */
.panel-body {
    padding: 15px;
}

.panel-body p:last-child {
    margin-bottom: 0;
}