如何在Bootstrap导航栏中设置汉堡菜单中项目的样式？

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css">
<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="#">Logo</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
      <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="#">Home</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">About</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">Services</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">Contact</a>
        </li>
      </ul>
    </div>
  </div>
</nav>

.navbar-toggler {
  border-color: #000; /* 修改汉堡菜单按钮的边框颜色 */
}

.navbar-toggler-icon {
  background-color: #000; /* 修改汉堡菜单按钮的背景颜色 */
}

.navbar-nav .nav-link {
  color: #000; /* 修改导航栏项目的字体颜色 */
}

.navbar-nav .nav-link:hover {
  color: #f00; /* 修改导航栏项目的悬停字体颜色 */
}