body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1A1A1A, #0074D9);
    color: #fff;
    overflow-x: hidden;
}
header {
    position: relative;
    height: 100vh;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent),
                url('https://images.gptkong.com/demo/sample1.png') no-repeat center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}
header h1 {
    font-size: 3rem;
    font-weight: bold;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    animation: fadeIn 3s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.05),
        rgba(255, 255, 255, 0.05) 10px,
        transparent 10px,
        transparent 20px
    );
    animation: moveBackground 15s linear infinite;
}
@keyframes moveBackground {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}
.content-section {
    margin-top: 50px;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}
.content-section h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #FFD700;
    text-align: center;
}
.content-section p {
    line-height: 1.6;
    font-size: 1rem;
    color: #ccc;
}
pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #fff;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
table th, table td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
    color: #fff;
}
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
    pre {
        font-size: 0.8rem;
    }
}