* {
            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-color: #f2f2f2;
        }

        header {
            background-color: #3e3e3e;
            padding: 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            padding: 0 20px;
        }

        nav a {
            color: #ffffff;
            text-decoration: none;
            padding: 12px 20px;
            display: block;
            transition: background-color 0.3s ease;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        nav a:hover {
            background-color: #555;
        }

        .lang-switcher {
            margin-left: auto;
            display: flex;
            gap: 5px;
            padding: 12px 20px;
        }

        .lang-switcher a {
            padding: 0 8px;
            font-size: 13px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        h1 {
            color: #3e3e3e;
            font-size: 2.5em;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid #3e3e3e;
        }

        article {
            background-color: #ffffff;
            padding: 40px;
            margin-bottom: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
        }

        article h2 {
            color: #3e3e3e;
            font-size: 1.8em;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article h3 {
            color: #555;
            font-size: 1.4em;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            color: #666;
            font-size: 1.2em;
            margin-top: 20px;
            margin-bottom: 10px;
        }

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

        .transition-section {
            background-color: #ffffff;
            padding: 30px 40px;
            margin-bottom: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
        }

        .transition-section p {
            color: #444;
            margin-bottom: 15px;
        }

        {% if links %}
        .links-section {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }

        .links-section h2 {
            color: #3e3e3e;
            font-size: 1.8em;
            margin-bottom: 20px;
        }

        .links-section h3 {
            color: #555;
            font-size: 1.3em;
            margin-top: 25px;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #e0e0e0;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 40px;
            margin-bottom: 20px;
        }

        .links-section li {
            break-inside: avoid;
            margin-bottom: 10px;
        }

        .links-section a {
            color: #3e3e3e;
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
            padding: 5px 0;
        }

        .links-section a:hover {
            color: #666;
            text-decoration: underline;
        }

        .links-section a::before {
            content: "→ ";
            color: #999;
        }
        {% endif %}

        footer {
            background-color: #3e3e3e;
            color: #ffffff;
            text-align: center;
            padding: 20px;
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            nav {
                flex-direction: column;
                align-items: stretch;
            }

            nav a {
                text-align: center;
                padding: 10px;
            }

            .lang-switcher {
                margin-left: 0;
                justify-content: center;
                width: 100%;
            }

            h1 {
                font-size: 2em;
            }

            article {
                padding: 25px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.2em;
            }

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

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

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

        @media (max-width: 480px) {
            .container {
                padding: 20px 15px;
            }

            h1 {
                font-size: 1.6em;
            }

            article {
                padding: 20px;
            }

            article h2 {
                font-size: 1.3em;
            }

            nav a {
                font-size: 13px;
                padding: 8px;
            }
        }