/* 代码高亮主题 - GitHub 风格 */
pre {
    background: #f6f8fa;
    border-radius: 6px;
    padding: 16px;
    overflow: auto;
}

code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.5;
}

/* 行内代码 */
p code, li code {
    background: #f6f8fa;
    padding: 2px 6px;
    border-radius: 3px;
    color: #e83e8c;
}

/* 代码块样式 */
pre code {
    display: block;
    color: #24292e;
    background: none;
    padding: 0;
}

/* 简单的高亮类 */
.code-keyword { color: #d73a49; font-weight: bold; }
.code-function { color: #6f42c1; }
.code-string { color: #032f62; }
.code-comment { color: #6a737d; font-style: italic; }
.code-number { color: #005cc5; }
.code-operator { color: #d73a49; }
.code-this { color: #d73a49; }
.code-return { color: #d73a49; font-weight: bold; }