body {
        margin: 0;
        font-family: 'Open Sans', sans-serif;
        color: #f4f4f9;
        background: linear-gradient(135deg, #000f4c, #6a11cb);
        line-height: 1.7;
    }
    header {
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png'), linear-gradient(to bottom, #000f4c, #2a2a72);
        background-size: cover;
        background-position: center;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 200%;
        height: 100%;
        background: rgba(255, 255, 255, 0.1);
        transform: rotate(30deg);
        animation: moveBg 10s infinite linear;
    }
    @keyframes moveBg {
        from { transform: translateX(-50%) rotate(30deg); }
        to { transform: translateX(0) rotate(30deg); }
    }
    header h1 {
        font-family: 'Roboto', sans-serif;
        font-weight: bold;
        font-size: 3rem;
        text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
        z-index: 2;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }
    .section {
        margin-bottom: 40px;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }
    .section h2 {
        font-family: 'Roboto', sans-serif;
        font-weight: bold;
        color: #ffdd57;
        margin-bottom: 15px;
    }
    pre {
        background: #1e1e2f;
        color: #6a9955;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }
    code {
        font-family: 'Courier New', monospace;
        font-size: 0.9rem;
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }
    table th, table td {
        border: 1px solid #ddd;
        padding: 8px;
        text-align: left;
    }
    table th {
        background: #444;
        color: #fff;
    }
    ul {
        list-style: none;
        padding: 0;
    }
    li {
        background: rgba(255, 255, 255, 0.05);
        margin: 5px 0;
        padding: 10px;
        border-radius: 5px;
    }
    img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        margin: 10px 0;
    }
    footer {
        text-align: center;
        padding: 20px;
        background: #1a1a2e;
        color: #ccc;
        font-size: 0.9rem;
    }
    .hover-effect:hover {
        transform: scale(1.05);
        transition: transform 0.3s ease-in-out;
    }
    @media (max-width: 768px) {
        header h1 { font-size: 2rem; }
        .container { padding: 10px; }
        pre { font-size: 0.8rem; }
    }