body {
        margin: 0;
        padding: 0;
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #0A2463, #1B3A6B, #274C77);
        color: #FFFFFF;
        line-height: 1.6;
    }

    header {
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, transparent 70%);
        padding: 20px;
        text-align: center;
        position: relative;
        animation: aurora-move 15s linear infinite;
    }

    h1 {
        font-family: 'Roboto Bold', sans-serif;
        color: #FFD700;
        font-size: 2.5em;
        margin: 0;
    }

    nav {
        position: fixed;
        left: 0;
        top: 0;
        width: 200px;
        height: 100%;
        background-color: #0A2463;
        padding-top: 60px;
        box-shadow: 2px 0 5px rgba(0,0,0,0.5);
    }

    nav a {
        display: block;
        color: #FFFFFF;
        padding: 15px 20px;
        text-decoration: none;
        transition: background 0.3s;
    }

    nav a:hover {
        background: rgba(255, 215, 0, 0.2);
    }

    main {
        margin-left: 220px;
        padding: 20px;
        background: linear-gradient(135deg, #1B3A6B, #274C77, #0A2463);
    }

    article {
        background-color: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    }

    h2, h3 {
        color: #FFD700;
    }

    pre {
        background-color: #1B3A6B;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #39FF14;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #FFD700;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    .cta-button {
        display: inline-block;
        padding: 10px 20px;
        background-color: #FFD700;
        color: #0A2463;
        text-decoration: none;
        border-radius: 5px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .cta-button:hover {
        transform: scale(1.1);
        box-shadow: 0 8px 16px rgba(255, 215, 0, 0.5);
    }

    img {
        max-width: 100%;
        height: auto;
        border-radius: 5px;
        margin: 10px 0;
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    @media (max-width: 1440px) {
        nav {
            width: 180px;
        }

        main {
            margin-left: 200px;
        }

        h1 {
            font-size: 2.2em;
        }
    }

    @media (max-width: 1200px) {
        nav {
            width: 160px;
        }

        main {
            margin-left: 180px;
        }

        h1 {
            font-size: 2em;
        }
    }

    @media (max-width: 1024px) {
        nav {
            width: 140px;
        }

        main {
            margin-left: 160px;
        }

        h1 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 768px) {
        nav {
            width: 100%;
            height: auto;
            position: relative;
        }

        nav a {
            float: left;
        }

        main {
            margin-left: 0;
        }
    }

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

        .cta-button {
            padding: 8px 16px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.2em;
        }

        nav a {
            padding: 10px 15px;
            font-size: 0.9em;
        }
    }

    .code-preview {
        background: #1B3A6B;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .visual-impact {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .visual-impact img {
        width: 150px;
        height: 150px;
        object-fit: cover;
    }

    footer {
        text-align: center;
        padding: 20px;
        background-color: #0A2463;
        color: #FFD700;
    }