/* 全局样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1e005c, #4f009b, #ff7f00);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header {
    padding: 20px;
    text-align: center;
    background: rgba(0, 0, 0, 0.5);
}
header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2em;
    margin: 0;
}
nav {
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
}
nav a {
    padding: 15px 25px;
    text-decoration: none;
    color: #ffffff;
    transition: background 0.3s, transform 0.3s;
    rel: nofollow;
}
nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}
main {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 15px;
    padding: 20px;
    max-width: 300px;
    flex: 1 1 300px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}
.section:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}
.section img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}
.section h3 {
    font-family: 'Orbitron', sans-serif;
    margin-top: 15px;
    font-size: 1.2em;
}
.section p {
    font-size: 0.9em;
    color: #dcdcdc;
}
.button {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 20px;
    background-color: #00ff80;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}
.button:hover {
    background-color: #00d8ff;
}
.code-block {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #00ff80;
}
.article {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 20px;
    max-width: 800px;
    color: #ffffff;
}
.article h2, .article h3, .article h4 {
    font-family: 'Orbitron', sans-serif;
    color: #ff7f00;
}
.article pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    color: #00ff80;
}
.footer {
    text-align: center;
    padding: 15px;
    background: rgba(0, 0, 0, 0.5);
}
@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }
    .section {
        max-width: 100%;
    }
}