/* Escopo: artigo_ete_v3.html */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Georgia', 'Times New Roman', serif;
            line-height: 1.8;
            color: #2c3e50;
            background-color: #ffffff;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 60px 40px;
            background-color: #ffffff;
        }

        .header {
            border-bottom: 3px solid #1a5490;
            padding-bottom: 30px;
            margin-bottom: 50px;
        }

        .header h1 {
            font-size: 2.2em;
            font-weight: normal;
            color: #1a5490;
            line-height: 1.4;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .header .subtitle {
            font-size: 1.1em;
            color: #666;
            font-style: italic;
            margin-top: 15px;
        }

        .header .meta {
            font-size: 0.95em;
            color: #888;
            margin-top: 25px;
            padding-top: 20px;
            border-top: 1px solid #e0e0e0;
        }

        .article-image {
            width: 100%;
            max-width: 100%;
            height: auto;
            margin: 40px 0;
            display: block;
        }

        .section {
            margin-bottom: 50px;
        }

        .section h2 {
            font-size: 1.6em;
            font-weight: normal;
            color: #1a5490;
            margin-bottom: 25px;
            margin-top: 40px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e8e8e8;
        }

        .section h3 {
            font-size: 1.3em;
            font-weight: normal;
            color: #2c3e50;
            margin-bottom: 20px;
            margin-top: 30px;
        }

        .section p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.05em;
            color: #333;
        }

        .section p:first-of-type {
            text-indent: 0;
        }

        .section p:not(:first-of-type) {
            text-indent: 1.5em;
        }

        .highlight-box {
            background-color: #f8f9fa;
            border-left: 4px solid #1a5490;
            padding: 25px 30px;
            margin: 30px 0;
            font-style: italic;
            color: #555;
        }

        .clarification-box {
            background-color: #fff9e6;
            border-left: 4px solid #d4a017;
            padding: 25px 30px;
            margin: 30px 0;
        }

        .clarification-box h3 {
            color: #8b6914;
            margin-top: 0;
            margin-bottom: 15px;
        }

        .conclusion {
            background-color: #f0f4f8;
            border-left: 5px solid #1a5490;
            padding: 35px 40px;
            margin-top: 50px;
            margin-bottom: 30px;
        }

        .conclusion h2 {
            border-bottom: none;
            margin-top: 0;
        }

        .footer {
            margin-top: 60px;
            padding-top: 30px;
            border-top: 2px solid #e0e0e0;
            font-size: 0.9em;
            color: #666;
            text-align: center;
        }

        .keywords {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #e0e0e0;
            font-size: 0.95em;
            color: #666;
        }

        .keywords strong {
            color: #1a5490;
        }

        @media print {
            .container {
                max-width: 100%;
                padding: 40px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 30px 20px;
            }

            .header h1 {
                font-size: 1.8em;
            }

            .section h2 {
                font-size: 1.4em;
            }
        }