body {
    background: linear-gradient(135deg, #0A1F44, #5C2B8C);
    color: #FFFFFF;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 0;
}

header h1 {
    font-size: 36px;
    font-weight: bold;
    color: #39FF14;
    margin-bottom: 10px;
}

header p {
    font-size: 18px;
    color: #FFFFFF;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease-in-out;
    padding: 15px;
}

.card:hover {
    transform: scale(1.05);
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.card h3 {
    font-size: 20px;
    margin-top: 10px;
    color: #00FFFF;
}

.card p {
    font-size: 14px;
    color: #FFFFFF;
}

.button {
    background-color: #39FF14;
    color: #0A1F44;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    display: inline-block;
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 200px;
        height: 200px;
        opacity: 0;
    }
}

.article {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin-top: 40px;
}

.article h2 {
    font-size: 28px;
    color: #FFFFFF;
}

.article h3 {
    font-size: 24px;
    color: #00FFFF;
}

.article pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

.article code {
    color: #39FF14;
    font-family: 'Courier New', monospace;
}

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

.table th,
.table td {
    border: 1px solid #FFFFFF;
    padding: 10px;
    text-align: left;
    color: #FFFFFF;
}

.table th {
    background-color: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    header h1 {
        font-size: 28px;
    }

    .card h3 {
        font-size: 18px;
    }

    .article h2 {
        font-size: 24px;
    }

    .article h3 {
        font-size: 20px;
    }
}