body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0D47A1, #00E676);
        color: #FFFFFF;
    }
    header {
        text-align: center;
        padding: 50px 20px;
        background: linear-gradient(90deg, #6A1B9A, #00E676);
        font-family: 'Montserrat', sans-serif;
        font-size: 36px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    }
    main {
        padding: 20px;
        max-width: 1200px;
        margin: auto;
    }
    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        margin-bottom: 40px;
    }
    h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #FFC107;
    }
    pre {
        background: #1E88E5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    code {
        color: #FFEB3B;
        font-family: 'Courier New', Courier, monospace;
    }
    .sample-data {
        background: rgba(0, 0, 0, 0.5);
        padding: 20px;
        border-radius: 10px;
    }
    .sample-data h3 {
        color: #00E676;
    }
    img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
        margin: 10px;
    }
    footer {
        text-align: center;
        padding: 20px;
        background: linear-gradient(45deg, #6A1B9A, #00E676);
        font-size: 16px;
    }
    @media (max-width: 768px) {
        header {
            font-size: 28px;
            padding: 30px 10px;
        }
        main {
            padding: 10px;
        }
        h2 {
            font-size: 24px;
        }
    }