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

        body {
            font-family: Arial, Sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #303030;
            background-color: #505050;
        }

        #container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #fff;
            box-shadow: 0 0 6px #000;
        }

        #top-bar {
            background-color: #222;
            border-bottom: 1px solid #000;
            padding: 8px 20px;
            color: #fff;
        }

        #site-title {
            font-size: 20px;
            color: #DC8300;
            font-weight: normal;
            display: inline-block;
            margin-right: 10px;
        }

        #site-description {
            color: #CCC;
            font-size: 15px;
            display: inline-block;
        }

        #nav-main {
            background-color: #2A5A8E;
            border-bottom: 1px solid #000;
            padding: 0 20px;
        }

        #nav-main ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }

        #nav-main li {
            position: relative;
        }

        #nav-main a {
            display: block;
            padding: 12px 18px;
            color: #fff;
            text-decoration: none;
            font-size: 16px;
            transition: background-color 0.3s;
        }

        #nav-main a:hover {
            background-color: #fff;
            color: #000;
        }

        #main {
            background-color: #F5F5F5;
            padding: 20px;
        }

        #content {
            background-color: #fff;
            padding: 30px;
            margin-bottom: 20px;
            border: 1px solid #333;
            box-shadow: 0 0 2px #333;
        }

        h1 {
            font-size: 28px;
            color: #2A5A8E;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #2A5A8E;
            line-height: 1.3;
        }

        article h2 {
            font-size: 24px;
            color: #333;
            margin-top: 25px;
            margin-bottom: 15px;
        }

        article h3 {
            font-size: 20px;
            color: #444;
            margin-top: 20px;
            margin-bottom: 12px;
        }

        article h4 {
            font-size: 18px;
            color: #555;
            margin-top: 18px;
            margin-bottom: 10px;
        }

        article p {
            margin-bottom: 15px;
            line-height: 1.7;
        }

        article ul, article ol {
            margin: 15px 0;
            padding-left: 30px;
        }

        article li {
            margin-bottom: 8px;
        }

        blockquote {
            background-color: #EDEDED;
            border-left: 6px solid #2A5A8E;
            margin: 20px 0;
            padding: 15px 20px;
            font-style: italic;
        }

        .transition-section {
            background-color: #fff;
            padding: 25px 30px;
            margin-bottom: 20px;
            border: 1px solid #333;
            box-shadow: 0 0 2px #333;
        }

        .transition-section p {
            margin-bottom: 15px;
            line-height: 1.7;
        }

        {% if links %}
        .links-section {
            background-color: #fff;
            padding: 30px;
            border: 1px solid #333;
            box-shadow: 0 0 2px #333;
            margin-bottom: 20px;
        }

        .links-section h2 {
            font-size: 24px;
            color: #2A5A8E;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #2A5A8E;
        }

        .links-section h3 {
            font-size: 20px;
            color: #333;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        .links-section ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 20px;
            margin-bottom: 25px;
        }

        .links-section li {
            padding: 8px 0;
            border-bottom: 1px solid #E0E0E0;
        }

        .links-section a {
            color: #0E4D7A;
            text-decoration: none;
            transition: color 0.3s;
        }

        .links-section a:hover {
            color: #2A5A8E;
            text-decoration: underline;
        }
        {% endif %}

        #bottom-bar {
            background-color: #222;
            color: #fff;
            padding: 15px 20px;
            border-top: 1px solid #000;
            text-align: center;
        }

        @media screen and (max-width: 768px) {
            #nav-main {
                padding: 0 10px;
            }

            #nav-main ul {
                flex-direction: column;
            }

            #nav-main a {
                padding: 10px 15px;
            }

            #content,
            .transition-section,
            .links-section {
                padding: 20px;
            }

            h1 {
                font-size: 24px;
            }

            article h2 {
                font-size: 20px;
            }

            {% if links %}
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 5px;
            }
            {% endif %}
        }

        @media screen and (max-width: 480px) {
            #top-bar {
                padding: 8px 10px;
            }

            #site-title {
                font-size: 18px;
            }

            #site-description {
                font-size: 13px;
                display: block;
                margin-top: 4px;
            }

            #content,
            .transition-section,
            .links-section {
                padding: 15px;
            }

            h1 {
                font-size: 22px;
            }
        }