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

        body {
            font-family: "Open Sans", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }

        .header {
            background: linear-gradient(135deg, #458470 0%, #129999 100%);
            color: white;
            padding: 20px 0;
            text-align: center;
        }

        .navbar {
            background-color: #303030;
            padding: 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

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

        .navbar ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            min-height: 50px;
        }

        .navbar li {
            margin: 0 15px;
        }

        .navbar a {
            color: #efefef;
            text-decoration: none;
            font-size: 13px;
            font-weight: normal;
            text-transform: none;
            transition: color 0.3s ease;
        }

        .navbar a:hover {
            color: #009688;
        }

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

        h1 {
            font-size: 32px;
            font-weight: bold;
            color: #222;
            margin-bottom: 30px;
            text-align: center;
            padding: 30px 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        article {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }

        article h2 {
            color: #009688;
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
            border-bottom: 2px solid #009688;
            padding-bottom: 10px;
        }

        article h3 {
            color: #009688;
            font-size: 20px;
            font-weight: bold;
            margin: 25px 0 15px 0;
        }

        article h4 {
            color: #009688;
            font-size: 18px;
            font-weight: bold;
            margin: 20px 0 12px 0;
        }

        article p {
            margin-bottom: 18px;
            font-size: 16px;
            line-height: 1.7;
        }

        .transition-section {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }

        .transition-section p {
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .links-section {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .links-section h3 {
            color: #009688;
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #009688;
        }

        .links-section ul {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 10px 30px;
            list-style: none;
            margin-bottom: 30px;
        }

        .links-section li {
            padding: 8px 0;
        }

        .links-section a {
            color: #009688;
            text-decoration: none;
            font-size: 15px;
            line-height: 1.5;
            border-bottom: 1px dotted #009688;
            transition: all 0.3s ease;
        }

        .links-section a:hover {
            color: #007d72;
            border-bottom: 1px solid #007d72;
        }

        .footer {
            background-color: #303030;
            color: white;
            text-align: center;
            padding: 30px 0;
            margin-top: 50px;
        }

        .footer p {
            font-size: 14px;
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }

            h1 {
                font-size: 24px;
                padding: 20px 15px;
            }

            article {
                padding: 25px;
            }

            .transition-section {
                padding: 20px;
            }

            .links-section {
                padding: 25px;
            }

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

            .navbar ul {
                flex-direction: column;
                padding: 10px 0;
            }

            .navbar li {
                margin: 5px 0;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 20px;
            }

            article {
                padding: 20px;
            }

            .links-section {
                padding: 20px;
            }

            .transition-section {
                padding: 15px;
            }
        }