body {
            font-family: 'Montserrat', sans-serif;
            background-color: #f5f5f5;
        }
        
        .main-container {
            background-color: #ffffff;
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        
        .document-title {
            color: #2c3e50;
            font-weight: 700;
            margin-bottom: 25px;
            text-align: center;
            font-size: 2rem;
        }
        
        .section-title {
            color: #e67e22;
            font-weight: 600;
            margin: 30px 0 15px;
            font-size: 1.4rem;
        }
        
        .last-update {
            color: #7f8c8d;
            font-style: italic;
            text-align: right;
            margin-bottom: 30px;
        }
        
        .text-justify {
            text-align: justify;
        }
        
        .btn-back {
            background-color: #e67e22;
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            text-decoration: none;
            margin-top: 20px;
            display: inline-block;
        }
        
        .btn-back:hover {
            background-color: #d35400;
            color: white;
        }
        
        @media (max-width: 576px) {
            .main-container {
                padding: 25px;
            }
            
            .document-title {
                font-size: 1.6rem;
            }
        }