@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&family=Open+Sans:wght@400;600&display=swap');
body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #0a1f3e, #1c3d5c);
    color: #fff;
    line-height: 1.6;
}
h1, h2, h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    color: #d4e9ff;
    text-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
}
p, li, td {
    font-size: 1rem;
    color: #cce7ff;
}
a {
    color: #6ec1e4;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #b3e5fc;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.header {
    position: relative;
    height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.gptkong.com/demo/sample1.png') center/cover no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    border-radius: 10px;
    overflow: hidden;
}
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    filter: blur(10px);
    z-index: 1;
}
.header h1 {
    position: relative;
    z-index: 2;
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.2);
}
.card img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 10px;
}
pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #b3e5fc;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    overflow: hidden;
}
th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
th {
    background: rgba(255, 255, 255, 0.1);
    color: #b3e5fc;
}
td {
    color: #cce7ff;
}
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    pre {
        font-size: 0.9rem;
    }
}
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
}