/* 语言选择器样式 */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: white;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.language-selector select {
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    cursor: pointer;
    min-width: 150px;
}
.language-selector select:hover {
    border-color: #999;
}
.language-selector select:focus {
    outline: none;
    border-color: #666;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.1);
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}
.document-wrapper {
    margin-top: 60px;
}
h1, h2, h3 {
    color: #333;
}
code {
    background: #f5f5f5;
    padding: 2px 4px;
    border-radius: 4px;
}
blockquote {
    border-left: 4px solid #ddd;
    margin: 0;
    padding-left: 20px;
    color: #666;
}
img {
    max-width: 100%;
    height: auto;
}