* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: Verdana, Arial, sans-serif;
            background: #dae7ef;
            color: #333;
            line-height: 1.6;
        }

        #container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        #pageHeader {
            background: linear-gradient(135deg, #003366 0%, #0066cc 100%);
            padding: 30px 20px;
            text-align: center;
            border-bottom: 4px solid #7F99B2;
        }

        #pageHeader h1 {
            color: #fff;
            font-size: 2em;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        #mainNav {
            background: #f1f7fa;
            padding: 15px 20px;
            text-align: center;
            border-bottom: 2px solid #dae7ef;
        }

        #mainNav a {
            color: #003399;
            text-decoration: none;
            padding: 8px 15px;
            margin: 0 5px;
            font-size: 0.95em;
            font-weight: bold;
            transition: color 0.3s;
        }

        #mainNav a:hover {
            color: #0066cc;
            text-decoration: underline;
        }

        #content {
            padding: 30px 20px;
            background: #fff;
        }

        article {
            max-width: 900px;
            margin: 0 auto 40px;
        }

        article h1 {
            color: #003366;
            font-size: 2.2em;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #7F99B2;
        }

        article h2 {
            color: #003399;
            font-size: 1.6em;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article h3 {
            color: #0066cc;
            font-size: 1.3em;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article p {
            margin-bottom: 15px;
            font-size: 1em;
            color: #333;
            text-align: justify;
        }

        #transition {
            max-width: 900px;
            margin: 0 auto 40px;
            padding: 20px;
            background: #f1f7fa;
            border-left: 4px solid #7F99B2;
        }

        #transition p {
            margin-bottom: 15px;
            font-size: 1em;
            color: #333;
        }

        {% if links %}
        #linksSection {
            max-width: 900px;
            margin: 0 auto;
            padding: 30px 20px;
            background: #f1f7fa;
            border-radius: 8px;
            border: 1px solid #dae7ef;
        }

        #linksSection h3 {
            color: #003366;
            font-size: 1.4em;
            margin-bottom: 15px;
            margin-top: 25px;
            padding-bottom: 8px;
            border-bottom: 2px solid #7F99B2;
        }

        #linksSection h3:first-child {
            margin-top: 0;
        }

        #linksSection ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 20px;
            margin-bottom: 20px;
        }

        #linksSection li {
            padding: 8px 0;
        }

        #linksSection a {
            color: #003399;
            text-decoration: none;
            font-size: 0.95em;
            transition: color 0.3s;
            display: block;
        }

        #linksSection a:hover {
            color: #0066cc;
            text-decoration: underline;
        }

        #linksSection a:before {
            content: "→ ";
            color: #7F99B2;
        }
        {% endif %}

        #footer {
            background: #003366;
            color: #fff;
            text-align: center;
            padding: 20px;
            margin-top: 40px;
            border-top: 4px solid #7F99B2;
        }

        #footer p {
            font-size: 0.85em;
            margin: 5px 0;
        }

        #footer a {
            color: #dae7ef;
            text-decoration: none;
        }

        #footer a:hover {
            color: #fff;
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            #pageHeader h1 {
                font-size: 1.5em;
            }

            #mainNav {
                padding: 10px;
            }

            #mainNav a {
                display: inline-block;
                margin: 5px;
                font-size: 0.85em;
            }

            article h1 {
                font-size: 1.8em;
            }

            article h2 {
                font-size: 1.4em;
            }

            article h3 {
                font-size: 1.2em;
            }

            #content {
                padding: 20px 15px;
            }

            {% if links %}
            #linksSection ul {
                grid-template-columns: 1fr;
            }
            {% endif %}
        }

        @media (max-width: 480px) {
            #pageHeader h1 {
                font-size: 1.2em;
            }

            article h1 {
                font-size: 1.5em;
            }

            #mainNav a {
                display: block;
                margin: 5px 0;
            }
        }