<style>
    body {
        margin: 0;
        font-family: 'Georgia', serif;
        background-color: #f4f4f4;
        color: #333;
        line-height: 1.7;
    }

    .container {
        max-width: 1000px;
        margin: 60px auto;
        background: #ffffff;
        padding: 60px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        border-radius: 8px;
    }

    h1 {
        font-size: 36px;
        margin-bottom: 10px;
        font-weight: 600;
        color: #111;
    }

    h2 {
        margin-top: 50px;
        font-size: 24px;
        border-left: 4px solid #1a1a1a;
        padding-left: 15px;
        font-weight: 600;
    }

    h3 {
        margin-top: 30px;
        font-size: 18px;
        font-weight: bold;
    }

    p {
        margin-top: 20px;
        font-size: 17px;
    }

    .highlight {
        background-color: #f0f0f0;
        padding: 15px 20px;
        border-left: 4px solid #444;
        margin: 30px 0;
        font-style: italic;
    }

    footer {
        margin-top: 60px;
        padding-top: 20px;
        border-top: 1px solid #ddd;
        font-size: 14px;
        color: #777;
        text-align: center;
    }

    @media (max-width: 768px) {
        .container {
            padding: 30px;
            margin: 20px;
        }

        h1 {
            font-size: 28px;
        }

        h2 {
            font-size: 20px;
        }
    }
</style>