/* 全局样式 */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #00008B, #8A2BE2);
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 2px;
    margin-top: 20px;
    margin-bottom: 10px;
}
.title {
    font-size: 2.5em;
    color: #00FFFF;
    text-align: center;
    padding: 20px;
    text-shadow: 0 0 10px #00FF00;
}
.container {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 20px;
    padding: 20px;
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
}
.item-1 {
    grid-column: 1 / 3;
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px #00FFFF;
}
.item-2 {
    grid-column: 3 / 4;
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px #00FFFF;
}
pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
code {
    color: #00FF00;
    font-size: 14px;
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    overflow-y: auto;
}
.sidebar a {
    color: #00FFFF;
    text-decoration: none;
}
.sidebar a:hover {
    text-decoration: underline;
}
.footer {
    text-align: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: #00FF00;
    font-size: 12px;
}
@media (max-width: 480px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
}