* {
            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(to bottom, #284F8F 0%, #1a3560 300px, #f5f5f5 300px);
            min-height: 100vh;
        }

        .top-bar {
            background-color: rgba(40, 79, 143, 0.9);
            padding: 8px 0;
            font-size: 13px;
        }

        .top-bar-content {
            max-width: 985px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .top-bar a {
            color: #fff;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.3s;
        }

        .top-bar a:hover {
            color: #CDFC72;
        }

        .top-bar .separator {
            color: #CDFC72;
            margin: 0 5px;
        }

        header {
            background-color: #284F8F;
            padding: 40px 20px;
            text-align: center;
        }

        h1 {
            color: #fff;
            font-size: 2.5em;
            margin: 20px 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        nav {
            background-color: #CDFC72;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-content {
            max-width: 985px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        nav > ul > li {
            position: relative;
        }

        nav a {
            display: block;
            padding: 15px 20px;
            color: #284F8F;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s, color 0.3s;
        }

        nav a:hover {
            background-color: #284F8F;
            color: #CDFC72;
        }

        nav ul ul {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #fff;
            min-width: 220px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
            flex-direction: column;
        }

        nav ul ul a {
            padding: 12px 20px;
            color: #333;
            border-bottom: 1px solid #f0f0f0;
        }

        nav ul ul a:hover {
            background-color: #CDFC72;
            color: #284F8F;
        }

        nav li:hover > ul {
            display: block;
        }

        nav ul ul ul {
            left: 100%;
            top: 0;
        }

        .container {
            max-width: 985px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        article {
            background: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }

        article h2 {
            color: #284F8F;
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.8em;
        }

        article h3 {
            color: #284F8F;
            margin-top: 25px;
            margin-bottom: 12px;
            font-size: 1.4em;
        }

        article h4 {
            color: #284F8F;
            margin-top: 20px;
            margin-bottom: 10px;
            font-size: 1.2em;
        }

        article p {
            margin-bottom: 15px;
            font-size: 15px;
            text-align: justify;
        }

        .transition-section {
            background: #fff;
            padding: 30px 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }

        .transition-section p {
            margin-bottom: 15px;
            font-size: 15px;
        }

        .links-section {
            background: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }

        .links-section h2 {
            color: #284F8F;
            margin-bottom: 25px;
            font-size: 2em;
            text-align: center;
        }

        .links-section h3 {
            color: #284F8F;
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.5em;
            border-bottom: 2px solid #CDFC72;
            padding-bottom: 8px;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 30px;
            margin-bottom: 20px;
        }

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

        .links-section a {
            color: #284F8F;
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
            display: inline-block;
            font-size: 15px;
        }

        .links-section a:hover {
            color: #1a3560;
            padding-left: 5px;
        }

        .links-section a::before {
            content: "→ ";
            color: #CDFC72;
            font-weight: bold;
        }

        footer {
            background-color: #284F8F;
            color: #fff;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
        }

        footer p {
            margin: 5px 0;
            font-size: 14px;
        }

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

            .top-bar-content {
                flex-direction: column;
                gap: 10px;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul ul {
                position: static;
                display: none;
                box-shadow: none;
                background-color: #f0f0f0;
            }

            nav li:hover > ul,
            nav li:focus-within > ul {
                display: block;
            }

            nav ul ul a {
                padding-left: 40px;
            }

            nav ul ul ul a {
                padding-left: 60px;
            }

            article, .transition-section, .links-section {
                padding: 25px 20px;
            }

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

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

            nav a {
                padding: 12px 15px;
                font-size: 14px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.3em;
            }

            .links-section h2 {
                font-size: 1.6em;
            }

            .links-section h3 {
                font-size: 1.3em;
            }
        }