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

        body {
            font-family: "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.6;
            color: #333;
            background: #f5f5f5;
        }

        header {
            background: #293033;
            color: #fff;
            padding: 2rem 0;
            text-align: center;
            border-bottom: 3px solid #1899cb;
        }

        header h1 {
            font-family: "Merriweather", Georgia, serif;
            font-size: 2.5em;
            margin: 0;
            font-weight: 300;
            letter-spacing: -1px;
        }

        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }

        main {
            background: #fff;
            margin: 30px auto;
            padding: 40px;
            max-width: 900px;
            border-radius: 3px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        article h1,
        article h2,
        article h3,
        article h4,
        article h5,
        article h6 {
            font-family: "Merriweather", Georgia, serif;
            margin: 1.5em 0 0.5em;
            line-height: 1.3;
            color: #111;
        }

        article h2 {
            font-size: 1.8em;
            border-bottom: 2px solid #efefef;
            padding-bottom: 0.3em;
        }

        article h3 {
            font-size: 1.4em;
        }

        article h4 {
            font-size: 1.2em;
        }

        article p {
            margin: 1em 0;
            line-height: 1.65;
        }

        article a {
            color: #1899cb;
            text-decoration: none;
            border-bottom: 1px solid #b8b8b8;
        }

        article a:hover {
            color: #127ea8;
            border-bottom-color: #848484;
        }

        article ul,
        article ol {
            margin: 1em 0;
            padding-left: 2em;
        }

        article li {
            margin: 0.5em 0;
        }

        .transition-section {
            background: #fff;
            max-width: 900px;
            margin: 0 auto 30px;
            padding: 30px 40px;
            border-radius: 3px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .transition-section p {
            margin: 1em 0;
            line-height: 1.65;
        }

        {% if links %}
        .links-section {
            background: #fff;
            max-width: 900px;
            margin: 0 auto 30px;
            padding: 40px;
            border-radius: 3px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .links-section h3 {
            font-family: "Merriweather", Georgia, serif;
            font-size: 1.3em;
            margin: 1.5em 0 0.8em;
            padding-bottom: 0.3em;
            border-bottom: 2px solid #efefef;
            color: #111;
        }

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

        .links-section ul {
            list-style: none;
            padding: 0;
            margin: 0 0 2em 0;
            column-count: 2;
            column-gap: 30px;
        }

        .links-section li {
            margin: 0 0 0.8em 0;
            padding: 0;
            break-inside: avoid;
        }

        .links-section li:before {
            content: "";
        }

        .links-section a {
            color: #1899cb;
            text-decoration: none;
            border-bottom: 1px dotted #b8b8b8;
            display: inline;
            line-height: 1.5;
        }

        .links-section a:hover {
            color: #127ea8;
            border-bottom-color: #848484;
        }
        {% endif %}

        footer {
            background: #0f0f0f;
            color: #a0a0a0;
            padding: 30px 0;
            text-align: center;
            font-size: 0.85em;
            margin-top: 40px;
        }

        footer a {
            color: #a0a0a0;
            text-decoration: none;
        }

        footer a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            header h1 {
                font-size: 1.8em;
            }

            main,
            .transition-section,
            .links-section {
                margin: 20px;
                padding: 25px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.2em;
            }

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

        @media (max-width: 480px) {
            body {
                font-size: 14px;
            }

            header h1 {
                font-size: 1.5em;
            }

            main,
            .transition-section,
            .links-section {
                margin: 15px;
                padding: 20px;
            }
        }