/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, rgb(10, 25, 47), transparent);
    color: #ffffff;
}
header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    padding: 20px;
    text-align: center;
}
header h1 {
    margin: 0;
    font-size: 2.5em;
}
nav {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}
nav a {
    color: #00ff9f;
    text-decoration: none;
    margin: 0 15px;
    font-size: 1.1em;
}
nav a:hover {
    color: #00e676;
}
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 40px;
}
.article {
    background-color: rgba(26, 26, 26, 0.8);
    padding: 20px;
    border-radius: 10px;
}
.article h2, .article h3 {
    color: #00ff9f;
}
.article pre {
    background-color: #1a1a1a;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
.article code {
    color: #00ff9f;
    font-family: 'Courier New', Courier, monospace;
}
.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.image-gallery img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}
.footer {
    background: linear-gradient(135deg, #2a5298, #1e3c72);
    padding: 20px;
    text-align: center;
    color: #cccccc;
}
/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    nav a {
        margin: 0 10px;
        font-size: 1em;
    }
    .container {
        padding: 20px;
    }
}
@media (max-width: 480px) {
    .image-gallery {
        flex-direction: column;
    }
}