@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, #1A237E, #0D47A1);
    color: #FFFFFF;
    overflow-x: hidden;
    line-height: 1.6;
}
header {
    position: relative;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: url(https://images.gptkong.com/demo/sample1.png) no-repeat center/cover;
    background-attachment: fixed;
    overflow: hidden;
}
header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 35, 126, 0.8);
    backdrop-filter: blur(5px);
}
header h1 {
    font-size: 3em;
    font-weight: bold;
    z-index: 1;
    animation: fadeIn 2s ease-in-out;
}
header p {
    font-size: 1.5em;
    margin-top: 10px;
    z-index: 1;
    animation: fadeIn 3s ease-in-out;
}
.cta-button {
    background: linear-gradient(45deg, #FF4081, #F50057);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1.2em;
    margin-top: 20px;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.cta-button:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(255, 64, 129, 0.5);
}
.module {
    background: rgba(255, 255, 255, 0.2);
    margin: 20px auto;
    padding: 20px;
    max-width: 1200px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}
.module:hover {
    transform: translateY(-5px);
}
.module-title {
    font-size: 2em;
    color: #FF4081;
    margin-bottom: 15px;
}
.module-description {
    font-size: 1em;
    color: #E0E0E0;
}
pre {
    background: rgba(0, 0, 0, 0.7);
    color: #00E676;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9em;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    border: 1px solid #FF4081;
    padding: 10px;
    text-align: left;
}
th {
    background: rgba(255, 64, 129, 0.5);
}
td {
    background: rgba(255, 64, 129, 0.3);
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}
footer {
    text-align: center;
    padding: 20px;
    background: #1A237E;
    color: #E0E0E0;
}
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    .module-title {
        font-size: 1.5em;
    }
    pre {
        font-size: 0.8em;
    }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}