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

        body {
            font-family: Verdana, Helvetica, Arial, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #383F4B;
            background-color: #f5f5f5;
        }

        header {
            background: linear-gradient(135deg, #1C3C6A 0%, #2B5A8E 100%);
            color: #fff;
            padding: 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        nav {
            background-color: #7F9BC5;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

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

        nav li {
            margin: 0;
        }

        nav a {
            display: block;
            padding: 12px 18px;
            color: #fff;
            text-decoration: none;
            transition: background-color 0.3s ease;
            font-size: 13px;
        }

        nav a:hover,
        nav a:focus {
            background-color: #F1E9BA;
            color: #383F4B;
        }

        .container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
            background-color: #fff;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
        }

        .content-wrapper {
            padding: 40px;
        }

        h1 {
            font-size: 28px;
            color: #7F9BC5;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid #D6EBFF;
        }

        h2 {
            font-size: 22px;
            color: #7F9BC5;
            margin: 30px 0 15px 0;
        }

        h3 {
            font-size: 18px;
            color: #2B5A8E;
            margin: 25px 0 12px 0;
        }

        h4, h5, h6 {
            color: #7F9BC5;
            margin: 20px 0 10px 0;
        }

        article {
            margin-bottom: 40px;
        }

        article p {
            margin-bottom: 18px;
            text-align: justify;
        }

        article img {
            max-width: 100%;
            height: auto;
            margin: 15px 0;
            border-radius: 5px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

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

        article li {
            margin-bottom: 8px;
        }

        .transition-section {
            background-color: #F5FAFF;
            padding: 25px;
            margin: 30px 0;
            border-left: 4px solid #7F9BC5;
            border-radius: 4px;
        }

        .links-section {
            margin-top: 50px;
            padding: 30px;
            background-color: #F5FAFF;
            border-radius: 8px;
        }

        .links-section h3 {
            color: #1C3C6A;
            margin-bottom: 15px;
            font-size: 20px;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 10px 30px;
            margin-bottom: 35px;
        }

        .links-section li {
            padding: 8px 0;
            border-bottom: 1px solid #D6EBFF;
        }

        .links-section a {
            color: #298FF3;
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .links-section a:hover,
        .links-section a:focus {
            color: #1C3C6A;
            text-decoration: underline;
        }

        footer {
            background-color: #1C3C6A;
            color: #fff;
            padding: 25px 0;
            margin-top: 50px;
        }

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

        strong {
            color: #298FF3;
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .content-wrapper {
                padding: 20px;
            }

            h1 {
                font-size: 24px;
            }

            h2 {
                font-size: 20px;
            }

            h3 {
                font-size: 16px;
            }

            nav ul {
                flex-direction: column;
            }

            nav a {
                padding: 10px 15px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }

            .links-section {
                padding: 20px;
            }

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

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

        @media (max-width: 480px) {
            body {
                font-size: 13px;
            }

            .content-wrapper {
                padding: 15px;
            }

            h1 {
                font-size: 20px;
            }

            nav a {
                font-size: 12px;
                padding: 8px 12px;
            }
        }