body {
        margin: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
        padding: 20px;
    }
    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 10px;
        margin-bottom: 30px;
    }
    header h1 {
        font-size: 48px;
        color: #ffcc00;
    }
    .container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
        width: 300px;
        padding: 20px;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 12px 24px rgba(0,0,0,0.4);
    }
    .card img {
        width: 100%;
        border-radius: 10px;
    }
    .card h3 {
        margin-top: 15px;
        font-size: 24px;
        color: #ff6600;
    }
    .card p {
        font-size: 16px;
        line-height: 1.5;
    }
    .card .tags {
        margin-top: 10px;
    }
    .card .tags span {
        background: #00e676;
        padding: 5px 10px;
        border-radius: 5px;
        margin-right: 5px;
        font-size: 12px;
    }
    .card a {
        display: inline-block;
        margin-top: 15px;
        padding: 10px 20px;
        background: #ff5722;
        color: #ffffff;
        text-decoration: none;
        border-radius: 5px;
        transition: background 0.3s;
    }
    .card a:hover {
        background: #e64a19;
    }
    article {
        background: rgba(0, 0, 0, 0.6);
        padding: 30px;
        border-radius: 10px;
        margin-top: 40px;
    }
    article h2 {
        font-size: 32px;
        color: #ffcc00;
        margin-bottom: 20px;
    }
    article h3 {
        font-size: 24px;
        color: #ff9800;
        margin-top: 20px;
    }
    article p {
        font-size: 16px;
        line-height: 1.6;
        color: #ffffff;
    }
    article pre {
        background: #263238;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    article code {
        color: #ffeb3b;
    }
    @media (max-width: 768px) {
        .container {
            flex-direction: column;
            align-items: center;
        }
        header h1 {
            font-size: 32px;
        }
        .card {
            width: 90%;
        }
    }