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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: rgba(255, 255, 255, 0.98);
            padding: 30px 20px;
            margin-bottom: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            text-align: center;
        }

        h1 {
            color: #0000aa;
            font-size: 2.5em;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
        }

        nav {
            background: #0000aa;
            padding: 15px;
            border-radius: 10px;
            margin-top: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        nav a {
            color: white;
            text-decoration: none;
            padding: 10px 15px;
            display: inline-block;
            transition: all 0.3s ease;
            border-radius: 5px;
            margin: 5px;
        }

        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        article {
            background: rgba(255, 255, 255, 0.98);
            padding: 40px;
            margin-bottom: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        article h2 {
            color: #0000aa;
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.8em;
        }

        article h3 {
            color: #4a5568;
            margin-top: 25px;
            margin-bottom: 12px;
            font-size: 1.4em;
        }

        article h4 {
            color: #4a5568;
            margin-top: 20px;
            margin-bottom: 10px;
            font-size: 1.2em;
        }

        article p {
            margin-bottom: 20px;
            font-size: 1.05em;
            text-align: justify;
        }

        article img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin: 20px 0;
        }

        .transition-section {
            background: rgba(255, 255, 255, 0.98);
            padding: 30px 40px;
            margin-bottom: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        .transition-section p {
            font-size: 1.05em;
            margin-bottom: 15px;
            text-align: justify;
        }

        .links-section {
            background: rgba(255, 255, 255, 0.98);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            margin-bottom: 30px;
        }

        .links-section h2 {
            color: #0000aa;
            margin-bottom: 30px;
            font-size: 2em;
            text-align: center;
        }

        .links-section h3 {
            color: #0000aa;
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.5em;
            border-bottom: 3px solid #667eea;
            padding-bottom: 10px;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .links-section li {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 12px 15px;
            border-radius: 8px;
            transition: all 0.3s ease;
            border-left: 4px solid #0000aa;
        }

        .links-section li:hover {
            transform: translateX(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .links-section a {
            color: #0000aa;
            text-decoration: none;
            font-weight: 500;
            display: block;
        }

        .links-section a:hover {
            color: #667eea;
        }

        footer {
            background: rgba(255, 255, 255, 0.95);
            padding: 20px;
            text-align: center;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            margin-top: 30px;
            font-size: 0.9em;
            color: #666;
        }

        hr {
            border: none;
            height: 2px;
            background: linear-gradient(to right, transparent, #667eea, transparent);
            margin: 30px 0;
        }

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

            article, .transition-section, .links-section {
                padding: 25px;
            }

            nav a {
                display: block;
                margin: 5px 0;
            }

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

            article p, .transition-section p {
                text-align: left;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 10px;
            }

            h1 {
                font-size: 1.5em;
            }

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

            nav {
                padding: 10px;
            }

            nav a {
                padding: 8px 10px;
                font-size: 0.9em;
            }
        }