响应式导航菜单怎么弄？BootstrapNavbar轻松实现

<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>

<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <div class="container-fluid">
    <a class="navbar-brand" href="#">品牌</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarNav">
      <ul class="navbar-nav">
        <li class="nav-item">
          <a class="nav-link" href="#">首页</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">服务</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">关于</a>
        </li>
      </ul>
    </div>
  </div>
</nav>

.navbar {
  font-size: 16px;
}
.navbar-brand {
  font-weight: bold;
}
.nav-link {
  margin-right: 1rem;
}

<meta name="viewport" content="width=device-width, initial-scale=1">