body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    color: #C0C0C0;
    background: linear-gradient(to bottom, #0A2647, #000000);
    overflow-x: hidden;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 38, 71, 0.9);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
}
header h1 {
    font-family: 'Pacifico', cursive;
    font-size: 2rem;
    color: #39FF14;
    margin: 0;
}
header nav a {
    text-decoration: none;
    color: #C0C0C0;
    margin-left: 20px;
    font-weight: bold;
    transition: color 0.3s ease;
}
header nav a:hover {
    color: #39FF14;
}
section {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 100vh;
}
.module1 { background-image: url('https://images.gptkong.com/demo/sample1.png'); }
.module2 { background-image: url('https://images.gptkong.com/demo/sample2.png'); }
.module3 { background-image: url('https://images.gptkong.com/demo/sample3.png'); }
.content-box {
    background: rgba(10, 38, 71, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.5);
    max-width: 800px;
    text-align: center;
    color: #C0C0C0;
}
.content-box h2 {
    font-size: 2.5rem;
    color: #39FF14;
    margin-bottom: 20px;
}
.content-box p {
    line-height: 1.6;
}
.button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #39FF14;
    color: #000;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.button:hover {
    transform: scale(1.1);
    box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.3);
}
code {
    background: rgba(200, 200, 200, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    color: #39FF14;
    display: block;
    white-space: pre-wrap;
    word-wrap: break-word;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
table th, table td {
    border: 1px solid #C0C0C0;
    padding: 10px;
    text-align: left;
}
table th {
    background-color: #0A2647;
    color: #39FF14;
}
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }
    .content-box h2 {
        font-size: 2rem;
    }
    .content-box {
        padding: 20px;
    }
}