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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #b2b2b2;
            background-image: linear-gradient(135deg, #b2b2b2 0%, #c8c8c8 100%);
            color: #000080;
            line-height: 1.6;
            min-height: 100vh;
        }

        header {
            background: linear-gradient(135deg, #ffff00 0%, #ffed4e 100%);
            border: 2px solid #000000;
            padding: 20px;
            text-align: center;
            margin: 20px auto;
            max-width: 1200px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
        }

        header h1 {
            font-family: 'Brush Script MT', cursive;
            font-size: 2.5em;
            color: #000080;
            font-weight: normal;
        }

        nav {
            background-color: #f1f1f1;
            border: 3px solid #6666ff;
            padding: 15px;
            text-align: center;
            margin: 20px auto;
            max-width: 1200px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        nav a {
            color: #009966;
            text-decoration: none;
            margin: 0 10px;
            font-size: 0.95em;
            transition: color 0.3s ease;
        }

        nav a:visited {
            color: #ff0000;
        }

        nav a:hover {
            color: #006644;
            text-decoration: underline;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        article {
            padding: 30px;
            background-color: #ffffff;
            margin-bottom: 30px;
            border-left: 5px solid #6666ff;
        }

        article h2 {
            color: #009900;
            margin-top: 25px;
            margin-bottom: 15px;
            font-size: 1.8em;
        }

        article h3 {
            color: #000080;
            margin-top: 20px;
            margin-bottom: 10px;
            font-size: 1.4em;
        }

        article p {
            margin-bottom: 15px;
            text-align: justify;
            color: #333;
        }

        .transition-section {
            padding: 25px 30px;
            background-color: #e3e3e3;
            border: 2px solid #6666ff;
            margin-bottom: 30px;
        }

        .transition-section p {
            color: #000080;
            text-align: justify;
        }

        .links-section {
            padding: 30px;
            background: linear-gradient(to bottom, #f1f1f1 0%, #e8e8e8 100%);
            border: 3px solid #66ff66;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
        }

        .links-section h3 {
            color: #009900;
            margin-top: 25px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #66ff66;
            font-size: 1.5em;
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 10px 30px;
            margin-bottom: 30px;
        }

        .links-section li {
            padding: 8px 0;
            border-bottom: 1px solid #d0d0d0;
        }

        .links-section a {
            color: #009966;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .links-section a:visited {
            color: #ff0000;
        }

        .links-section a:hover {
            color: #006644;
            text-decoration: underline;
            transform: translateX(5px);
        }

        footer {
            text-align: center;
            padding: 20px;
            background-color: #66ff66;
            border: 2px solid #000000;
            margin: 20px auto;
            max-width: 1200px;
            box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
        }

        footer p {
            color: #000080;
            font-size: 0.9em;
        }

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

            nav {
                padding: 10px;
            }

            nav a {
                display: inline-block;
                margin: 5px;
                font-size: 0.85em;
            }

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

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.2em;
            }

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

            main {
                padding: 10px;
            }
        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 1.4em;
            }

            nav a {
                display: block;
                margin: 8px 0;
            }

            article h2 {
                font-size: 1.3em;
            }
        }