/* 页面整体样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #87CEEB, #DDA0DD);
    color: #333;
    line-height: 1.6;
    padding: 20px;
}
h1, h2, h3 {
    font-family: 'Poppins', sans-serif;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
a {
    color: gold;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.card {
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
}
.highlight {
    color: gold;
    font-weight: bold;
}
.code-block {
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace;
    overflow-x: auto;
}
.table-container {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #f4f4f4;
}
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}
.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}
.parallax {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 300px;
    margin: 20px 0;
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    .parallax {
        height: 200px;
    }
}