body {
        margin: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1E90FF, #4B0082, #00FF7F, #FFD700);
        background-size: 400% 400%;
        animation: gradientAnimation 15s ease infinite;
        color: #ffffff;
    }
    @keyframes gradientAnimation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }
    header {
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
        background: rgba(0, 0, 0, 0.5);
        padding: 20px;
        z-index: 1000;
    }
    header h1 {
        margin: 0;
        font-size: 24px;
        text-align: center;
        background: linear-gradient(90deg, #FFD700, #1E90FF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .container {
        padding: 100px 20px 50px 20px;
        max-width: 1200px;
        margin: auto;
    }
    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 40px;
    }
    article h2, article h3 {
        color: #FFD700;
    }
    article pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    article code {
        color: #00FF7F;
        font-family: 'Courier New', Courier, monospace;
    }
    .sample-data {
        background: rgba(255, 255, 255, 0.2);
        padding: 20px;
        border-radius: 10px;
    }
    .sample-data h2 {
        color: #00FF7F;
    }
    .sample-data img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 5px;
    }
    .highlight {
        background: rgba(255, 255, 255, 0.1);
        padding: 10px;
        border-left: 5px solid #FFD700;
        margin: 20px 0;
    }
    a {
        color: #FFD700;
        text-decoration: none;
        position: relative;
    }
    a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #FFD700;
        transition: width .3s;
    }
    a:hover::after {
        width: 100%;
    }
    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        position: fixed;
        width: 100%;
        bottom: 0;
        left: 0;
    }
    @media (max-width: 768px) {
        header h1 {
            font-size: 20px;
        }
        .container {
            padding: 80px 10px 40px 10px;
        }
    }
    @media (max-width: 480px) {
        header h1 {
            font-size: 18px;
        }
        .container {
            padding: 70px 5px 30px 5px;
        }
    }