body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    color: #FFFFFF;
    background: linear-gradient(135deg, #0A1F44, #6FFFE9);
    overflow-x: hidden;
    min-height: 100vh;
}

header {
    position: relative;
    text-align: center;
    padding: 20px;
    background: rgba(10, 31, 68, 0.8);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #C778DD;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    max-width: 800px;
    width: 100%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.card h2 {
    color: #C778DD;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.card p {
    line-height: 1.6;
    font-size: 1rem;
    color: #F5F7FA;
}

pre {
    background: rgba(10, 31, 68, 0.8);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #6FFFE9;
}

code {
    color: #C778DD;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: rgba(10, 31, 68, 0.8);
    border-radius: 10px;
    overflow: hidden;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
    background: rgba(255, 255, 255, 0.1);
    color: #C778DD;
}

button {
    background: #C778DD;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    color: #FFFFFF;
    transition: background 0.3s ease;
}

button:hover {
    background: #6FFFE9;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .card h2 {
        font-size: 1.5rem;
    }

    pre {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    .card h2 {
        font-size: 1.2rem;
    }

    pre {
        font-size: 0.8rem;
    }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: url('https://images.gptkong.com/demo/sample1.png'), 
                url('https://images.gptkong.com/demo/sample2.png');
    background-size: 30%, 30%;
    background-repeat: no-repeat;
    background-position: 10% 10%, 90% 90%;
    opacity: 0.3;
    animation: particleFlow 10s infinite linear;
}

@keyframes particleFlow {
    from { background-position: 10% 10%, 90% 90%; }
    to { background-position: 90% 90%, 10% 10%; }
}