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

        body {
            font-family: 'Times New Roman', Times, serif;
            font-size: 16px;
            line-height: 1.6;
            color: #333;
            background-color: #fff;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: 200px;
            height: 100vh;
            background-color: #fafafa;
            border-right: 1px solid #e0e0e0;
            overflow-y: auto;
            padding: 30px 20px;
            z-index: 100;
        }

        .main-content {
            margin-left: 200px;
            padding: 40px 60px;
            max-width: 1200px;
        }

        h1 {
            font-size: 2.5em;
            font-weight: normal;
            margin-bottom: 40px;
            letter-spacing: -0.5px;
            font-style: italic;
            color: #000;
        }

        article {
            margin-bottom: 60px;
        }

        article p {
            margin-bottom: 20px;
            max-width: 700px;
            line-height: 1.8;
        }

        article h2 {
            font-size: 1.8em;
            font-weight: normal;
            margin: 40px 0 20px 0;
            font-style: italic;
        }

        article h3 {
            font-size: 1.4em;
            font-weight: normal;
            margin: 30px 0 15px 0;
            font-style: italic;
        }

        article h4 {
            font-size: 1.1em;
            font-weight: normal;
            margin: 20px 0 10px 0;
            font-style: italic;
        }

        .transition-section {
            margin: 60px 0;
            padding: 30px 0;
            border-top: 1px solid #e0e0e0;
            border-bottom: 1px solid #e0e0e0;
        }

        .transition-section p {
            max-width: 700px;
            margin-bottom: 20px;
            line-height: 1.8;
        }

        {% if links %}
        .links-section {
            margin-top: 60px;
            padding: 40px 0;
            background-color: #f9f9f9;
            border: 1px solid #e0e0e0;
            padding: 40px 60px;
        }

        .links-section h3 {
            font-size: 1.5em;
            font-weight: normal;
            margin-bottom: 25px;
            font-style: italic;
            color: #000;
        }

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

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

        .links-section ul li a {
            color: #666;
            text-decoration: none;
            font-style: italic;
            transition: color 0.2s ease;
            display: inline-block;
        }

        .links-section ul li a:hover {
            color: #f0f;
        }
        {% endif %}

        a {
            color: #666;
            text-decoration: none;
            font-style: italic;
            transition: color 0.2s ease;
        }

        a:hover {
            color: #f0f;
        }

        @media (max-width: 1024px) {
            .sidebar {
                width: 180px;
            }

            .main-content {
                margin-left: 180px;
                padding: 30px 40px;
            }

            {% if links %}
            .links-section {
                padding: 30px 40px;
            }

            .links-section ul {
                column-gap: 30px;
            }
            {% endif %}
        }

        @media (max-width: 768px) {
            .sidebar {
                position: relative;
                width: 100%;
                height: auto;
                border-right: none;
                border-bottom: 1px solid #e0e0e0;
                padding: 20px;
            }

            .main-content {
                margin-left: 0;
                padding: 30px 20px;
            }

            h1 {
                font-size: 2em;
                margin-bottom: 30px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.2em;
            }

            {% if links %}
            .links-section {
                padding: 30px 20px;
            }

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

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

        @media (max-width: 480px) {
            body {
                font-size: 15px;
            }

            .main-content {
                padding: 20px 15px;
            }

            h1 {
                font-size: 1.6em;
            }

            {% if links %}
            .links-section {
                padding: 20px 15px;
            }
            {% endif %}
        }