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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            margin-bottom: 40px;
            border-radius: 10px;
            padding: 30px;
            backdrop-filter: blur(10px);
        }

        h1 {
            font-size: 2.5em;
            color: #764ba2;
            margin-bottom: 10px;
            font-weight: 700;
            text-align: center;
        }

        article {
            background: #fff;
            padding: 40px;
            margin-bottom: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        article h2 {
            color: #667eea;
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.8em;
            font-weight: 600;
        }

        article h3 {
            color: #764ba2;
            margin-top: 25px;
            margin-bottom: 12px;
            font-size: 1.4em;
            font-weight: 600;
        }

        article h4 {
            color: #555;
            margin-top: 20px;
            margin-bottom: 10px;
            font-size: 1.2em;
            font-weight: 600;
        }

        article h2:first-child,
        article h3:first-child,
        article h4:first-child {
            margin-top: 0;
        }

        article p {
            margin-bottom: 15px;
            font-size: 1.05em;
            color: #444;
            text-align: justify;
        }

        .transition-section {
            background: rgba(255, 255, 255, 0.95);
            padding: 35px;
            margin-bottom: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .transition-section p {
            font-size: 1.05em;
            color: #444;
            margin-bottom: 15px;
            text-align: justify;
        }

        {% if links %}
        .links-section {
            background: #fff;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .links-section h3 {
            color: #667eea;
            margin-bottom: 20px;
            font-size: 1.5em;
            font-weight: 600;
            border-bottom: 3px solid #764ba2;
            padding-bottom: 10px;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 30px;
            margin-bottom: 30px;
        }

        .links-section ul:last-child {
            margin-bottom: 0;
        }

        .links-section li {
            margin-bottom: 12px;
            break-inside: avoid;
        }

        .links-section a {
            color: #667eea;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 5px 0;
            position: relative;
        }

        .links-section a:before {
            content: "→ ";
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .links-section a:hover {
            color: #764ba2;
            padding-left: 15px;
        }

        .links-section a:hover:before {
            opacity: 1;
        }
        {% endif %}

        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }

            header {
                padding: 20px;
                margin-bottom: 25px;
            }

            h1 {
                font-size: 1.8em;
            }

            article {
                padding: 25px;
                margin-bottom: 20px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.3em;
            }

            article h4 {
                font-size: 1.1em;
            }

            article p {
                font-size: 1em;
            }

            .transition-section {
                padding: 25px;
                margin-bottom: 20px;
            }

            {% if links %}
            .links-section {
                padding: 25px;
            }

            .links-section ul {
                column-count: 1;
            }

            .links-section h3 {
                font-size: 1.3em;
            }
            {% endif %}
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5em;
            }

            article {
                padding: 20px;
            }

            article h2 {
                font-size: 1.3em;
            }

            article h3 {
                font-size: 1.2em;
            }

            .transition-section {
                padding: 20px;
            }

            {% if links %}
            .links-section {
                padding: 20px;
            }
            {% endif %}
        }