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

        body {
            font-family: Arial, Helvetica, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: #333;
            background: #e0dedf;
        }

        #wrapper {
            max-width: 1050px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        header {
            background: linear-gradient(to bottom, #0d4c89 0%, #095197 100%);
            padding: 2rem 2rem 1rem;
            color: #fff;
        }

        header h1 {
            font-size: 2.5rem;
            font-weight: normal;
            margin: 0;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        nav {
            background: #e0e0e0;
            border-top: 1px solid #ddd;
            border-bottom: 2px solid #095197;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        nav ul li {
            flex: 0 0 auto;
        }

        nav ul li a {
            display: block;
            padding: 12px 20px;
            color: #333;
            text-decoration: none;
            border-right: 1px solid #ddd;
            transition: all 0.3s;
        }

        nav ul li a:hover,
        nav ul li a:focus {
            background: #0d4c89;
            color: #fff;
        }

        main {
            padding: 2rem;
        }

        article {
            margin-bottom: 2rem;
        }

        article h1 {
            font-size: 2rem;
            color: #0d4c89;
            border-bottom: 1px solid #ddd;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
            font-weight: normal;
        }

        article h2 {
            font-size: 1.6rem;
            color: #555;
            margin: 1.5rem 0 1rem;
            font-weight: normal;
        }

        article h3 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.2rem 0 0.8rem;
            font-weight: bold;
        }

        article h4 {
            font-size: 1.1rem;
            color: #555;
            margin: 1rem 0 0.6rem;
            font-weight: bold;
        }

        article p {
            margin: 0.8rem 0;
            text-align: justify;
        }

        article ul,
        article ol {
            margin: 1rem 0 1rem 2rem;
        }

        article ul li,
        article ol li {
            margin: 0.5rem 0;
        }

        article a {
            color: #095197;
            text-decoration: none;
            font-weight: bold;
        }

        article a:hover {
            background: #095197;
            color: #fff;
            padding: 2px 4px;
        }

        article img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 1rem auto;
        }

        .transition-section {
            background: #f5f5f5;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-left: 4px solid #095197;
        }

        .transition-section p {
            margin: 0.8rem 0;
        }

        .links-section {
            background: #f9f9f9;
            padding: 2rem;
            margin: 2rem 0;
            border-top: 2px solid #ddd;
        }

        .links-section h3 {
            font-size: 1.4rem;
            color: #0d4c89;
            margin: 1.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #ddd;
        }

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

        .links-section ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem 1.5rem;
        }

        .links-section ul li {
            margin: 0;
        }

        .links-section ul li a {
            color: #095197;
            text-decoration: none;
            padding: 0.4rem 0 0.4rem 1.2rem;
            display: block;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="8" height="8"><circle cx="4" cy="4" r="3" fill="%23095197"/></svg>') no-repeat left 0.6rem;
            transition: all 0.2s;
        }

        .links-section ul li a:hover {
            background-color: #fff;
            padding-left: 1.5rem;
            color: #0d4c89;
        }

        footer {
            background: #333;
            color: #fff;
            padding: 2rem;
            text-align: center;
            font-size: 0.9rem;
            margin-top: 3rem;
        }

        footer p {
            margin: 0.5rem 0;
        }

        @media (max-width: 768px) {
            header {
                padding: 1.5rem 1rem 0.8rem;
            }

            header h1 {
                font-size: 1.8rem;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul li {
                width: 100%;
            }

            nav ul li a {
                border-right: none;
                border-bottom: 1px solid #ddd;
            }

            main {
                padding: 1.5rem 1rem;
            }

            article h1 {
                font-size: 1.6rem;
            }

            article h2 {
                font-size: 1.4rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .transition-section {
                padding: 1rem 1.5rem;
            }

            .links-section {
                padding: 1.5rem 1rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.3rem;
            }

            footer {
                padding: 1.5rem 1rem;
            }
        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 1.5rem;
            }

            nav ul li a {
                padding: 10px 15px;
                font-size: 0.95rem;
            }

            article h1 {
                font-size: 1.4rem;
            }

            article h2 {
                font-size: 1.2rem;
            }
        }