:root {
        --main-bg: linear-gradient(135deg, #8B4513, #2E8B57, #87CEEB);
        --accent-purple: #BA55D3;
        --accent-blue: #1E90FF;
        --accent-orange: #FF4500;
        --text-color: #333333;
        --header-font: 'Poppins', sans-serif;
        --body-font: 'Roboto', sans-serif;
        --transition-speed: 0.3s;
    }

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

    body {
        font-family: var(--body-font);
        background: var(--main-bg);
        color: var(--text-color);
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 15px;
        margin-bottom: 30px;
        position: relative;
        overflow: hidden;
    }

    header h1 {
        font-family: var(--header-font);
        font-size: 3rem;
        color: #FFFFFF;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        animation: rotate 10s linear infinite;
    }

    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    .container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    article {
        background: rgba(255, 255, 255, 0.8);
        padding: 30px;
        border-radius: 15px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        position: relative;
    }

    article h2, article h3, article h4 {
        font-family: var(--header-font);
        color: var(--accent-purple);
        margin-bottom: 15px;
    }

    article pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    article code {
        font-family: 'Courier New', Courier, monospace;
        color: #D14;
        background: #FDF6E3;
        padding: 2px 4px;
        border-radius: 4px;
    }

    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin-bottom: 20px;
    }

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

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

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: var(--accent-blue);
        color: white;
    }

    a {
        color: var(--accent-orange);
        text-decoration: none;
        transition: color var(--transition-speed);
    }

    a:hover {
        color: var(--accent-purple);
    }

    .example {
        border: 2px dashed var(--accent-orange);
        padding: 20px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.9);
        margin-top: 40px;
    }

    .example h2 {
        color: var(--accent-blue);
    }

    /* Responsive Design */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 1024px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        header {
            padding: 30px 10px;
        }
        article {
            padding: 20px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 2rem;
        }
        article {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }
        header h1 {
            font-size: 1.5rem;
        }
    }