<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h2>上下文链接颜色</h2>
<a href="#" class="text-muted">静音链接</a>
<a href="#" class="text-primary">主要链接</a>
<a href="#" class="text-success">成功链接</a>
<a href="#" class="text-info">信息链接</a>
<a href="#" class="text-warning">警告链接</a>
<a href="#" class="text-danger">危险链接</a>
<a href="#" class="text-secondary">次要链接</a>
<a href="#" class="text-dark">暗灰链接</a>
<a href="#" class="text-body">主体/黑色链接</a>
<a href="#" class="text-light">浅灰链接</a>
</div>
</body>
</html>