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

        body {
            font-family: sans-serif;
            background-color: #f6f6f6;
            color: #252525;
            line-height: 1.6;
        }

        header {
            background: linear-gradient(to bottom, #fff 50%, #f6f6f6 100%);
            border-bottom: 1px solid #a7d7f9;
            padding: 1em 0;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5em;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 1em;
        }

        .nav-left, .nav-right {
            display: flex;
            gap: 1.5em;
            flex-wrap: wrap;
        }

        nav a {
            color: #0645ad;
            text-decoration: none;
            font-size: 0.875em;
            padding: 0.5em 0;
        }

        nav a:hover {
            text-decoration: underline;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #fff;
            border: 1px solid #a7d7f9;
            border-top: none;
            padding: 1.5em;
        }

        h1 {
            font-size: 1.8em;
            font-weight: normal;
            color: #000;
            border-bottom: 1px solid #aaa;
            padding-bottom: 0.2em;
            margin-bottom: 1em;
        }

        article {
            margin-bottom: 2em;
        }

        article h2 {
            font-size: 1.5em;
            font-weight: normal;
            color: #000;
            border-bottom: 1px solid #aaa;
            padding-top: 0.5em;
            padding-bottom: 0.17em;
            margin-top: 1em;
            margin-bottom: 0.6em;
        }

        article h3 {
            font-size: 1.17em;
            font-weight: bold;
            color: #000;
            margin-top: 0.3em;
            margin-bottom: 0.3em;
        }

        article h4 {
            font-size: 1.16em;
            font-weight: bold;
            color: #000;
            margin-top: 0.3em;
            margin-bottom: 0.3em;
        }

        article p {
            margin: 0.5em 0;
            font-size: 0.875em;
        }

        article ul, article ol {
            margin: 0.3em 0 0.5em 1.6em;
            font-size: 0.875em;
        }

        article li {
            margin-bottom: 0.1em;
        }

        .transition-section {
            margin: 2em 0;
            padding: 1.5em;
            background-color: #f9f9f9;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .transition-section p {
            font-size: 0.875em;
            margin: 0.5em 0;
        }

        {% if links %}
        .links-section {
            margin-top: 2em;
            padding: 2em 1.5em;
            background-color: #f9f9f9;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .links-section h3 {
            font-size: 1.17em;
            font-weight: bold;
            color: #000;
            margin-top: 1.5em;
            margin-bottom: 0.75em;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

        .links-section ul {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 0.5em 2em;
            list-style-type: none;
            margin: 0;
            padding: 0;
        }

        .links-section li {
            margin: 0;
            padding: 0.25em 0;
            font-size: 0.875em;
        }

        .links-section a {
            color: #0645ad;
            text-decoration: none;
        }

        .links-section a:visited {
            color: #0b0080;
        }

        .links-section a:hover {
            text-decoration: underline;
        }
        {% endif %}

        footer {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1.5em;
            margin-top: 2em;
            border-top: 1px solid #ddd;
            font-size: 0.7em;
            color: #333;
        }

        footer ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1em;
        }

        footer a {
            color: #0645ad;
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            .container {
                padding: 1em;
            }

            h1 {
                font-size: 1.5em;
            }

            article h2 {
                font-size: 1.3em;
            }

            nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5em;
            }

            .nav-left, .nav-right {
                gap: 1em;
            }

            .links-section ul {
                grid-template-columns: 1fr;
            }

            footer ul {
                flex-direction: column;
                gap: 0.5em;
            }
        }

        @media (max-width: 480px) {
            .header-container {
                padding: 0 1em;
            }

            .container {
                padding: 0.75em;
            }

            h1 {
                font-size: 1.3em;
            }

            article h2 {
                font-size: 1.2em;
            }

            .transition-section {
                padding: 1em;
            }

            .links-section {
                padding: 1em;
            }
        }