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

        body {
            font-family: verdana, arial, helvetica, sans-serif;
            background-color: #333;
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 10px;
        }

        .container {
            max-width: 800px;
            width: 100%;
            background-color: #fff;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
        }

        header {
            background-color: #cccccc;
            padding: 20px 30px;
            border-bottom: 2px solid #999;
        }

        header .logo-area {
            background-color: #cccccc;
            padding: 10px 0;
        }

        header h1 {
            font-size: 18px;
            font-weight: bold;
            color: #999;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 10px;
        }

        nav {
            background: linear-gradient(to bottom, #aaaaaa 0%, #999999 100%);
            border-top: 2px solid #cccccc;
            border-bottom: 2px solid #cccccc;
            padding: 0;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            padding: 12px 20px;
        }

        nav ul li {
            margin: 5px 15px;
        }

        nav ul li a {
            text-decoration: none;
            font-size: 10px;
            color: #333;
            font-weight: bold;
            text-transform: uppercase;
            transition: color 0.3s ease;
            padding: 5px 10px;
            display: block;
        }

        nav ul li a:hover {
            color: #ccc;
        }

        main {
            background-color: #fff;
            padding: 30px;
        }

        article {
            background-color: #f9f9f9;
            padding: 25px;
            margin-bottom: 30px;
            border-left: 4px solid #999;
        }

        article h2 {
            font-size: 16px;
            color: #666;
            margin-bottom: 15px;
            font-weight: bold;
        }

        article h3 {
            font-size: 14px;
            color: #777;
            margin-top: 20px;
            margin-bottom: 10px;
            font-weight: bold;
        }

        article h4 {
            font-size: 12px;
            color: #888;
            margin-top: 15px;
            margin-bottom: 8px;
            font-weight: bold;
        }

        article p {
            font-size: 10px;
            color: #333;
            margin-bottom: 12px;
            text-align: justify;
        }

        .transition-section {
            background-color: #e6e6e6;
            padding: 20px 25px;
            margin-bottom: 30px;
            border-radius: 4px;
        }

        .transition-section p {
            font-size: 10px;
            color: #333;
            margin-bottom: 10px;
        }

        {% if links %}
        .links-section {
            background-color: #f5f5f5;
            padding: 25px;
            border: 2px solid #ccc;
            border-radius: 4px;
        }

        .links-section h3 {
            font-size: 12px;
            color: #666;
            margin-bottom: 15px;
            margin-top: 20px;
            font-weight: bold;
            text-transform: uppercase;
            border-bottom: 2px solid #999;
            padding-bottom: 8px;
        }

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

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

        .links-section ul li {
            font-size: 10px;
        }

        .links-section ul li a {
            text-decoration: none;
            color: #333;
            transition: color 0.3s ease;
            display: block;
            padding: 5px 0;
        }

        .links-section ul li a:before {
            content: "→ ";
            color: #999;
            margin-right: 5px;
        }

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

        footer {
            background: linear-gradient(to bottom, #999999 0%, #737373 100%);
            padding: 15px 30px;
            text-align: center;
            border-top: 2px solid #cccccc;
        }

        footer p {
            font-size: 9px;
            color: #ccc;
        }

        @media (max-width: 768px) {
            body {
                padding: 10px 5px;
            }

            header {
                padding: 15px 20px;
            }

            header h1 {
                font-size: 14px;
            }

            nav ul {
                flex-direction: column;
                align-items: center;
                padding: 10px;
            }

            nav ul li {
                margin: 3px 0;
            }

            main {
                padding: 20px 15px;
            }

            article {
                padding: 15px;
            }

            .transition-section {
                padding: 15px;
            }

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

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            {% endif %}

            footer {
                padding: 12px 20px;
            }
        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 12px;
            }

            nav ul li a {
                font-size: 9px;
            }

            article h2 {
                font-size: 14px;
            }

            article h3 {
                font-size: 12px;
            }

            article p {
                font-size: 9px;
            }
        }