/* Estilos para os botões */
        .pdf-button-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 30px;
        }

        .pdf-button {
            background-color: #fcce00;
            border: none;
            color: rgb(24, 23, 23);
            padding: 15px 32px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 26px;
            margin: 4px 2px;
            cursor: pointer;
            border-radius: 10px;
            transition: background-color 0.3s ease, transform 0.2s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }

        .pdf-button:hover {
            background-color: #81f75d;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        }

        .pdf-description {
            text-align: center;
            margin-top: 10px;
            font-style: italic;
            color: #777;
        }

        /* Estilo para o iframe */
        .pdf-container {
            width: 100%;
            height: 90vh;
            border: none;
            display: none;
        }

        .pdf-container.active {
            display: block;
        }

        /* Placeholder */
        .placeholder {
            text-align: center;
            padding: 50px;
            color: #999;
            font-size: 1.2em;
            font-style: italic;
        }