<n* aria-label="Breadcrumb">
  <ol>
    <li><a href="/">首页</a></li>
    <li><a href="/products">产品</a></li>
    <li><a href="/products/electronics">电子产品</a></li>
    <li aria-current="page">手机</li>
  </ol>
</n*>

n*[aria-label="Breadcrumb"] ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 8px;
}

n*[aria-label="Breadcrumb"] li::before {
  content: "/";
  color: #ccc;
}

n*[aria-label="Breadcrumb"] li:first-child::before {
  content: "";
}

<n* aria-label="Breadcrumb">
  <p>
    <a href="/">首页</a> > 
    <a href="/products">产品</a> > 
    <strong>手机</strong>
  </p>
</n*>

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "BreadcrumbList",
  "itemListElement": [
    {
      "@type": "ListItem",
      "position": 1,
      "name": "首页",
      "item": "https://example.com/"
    },
    {
      "@type": "ListItem",
      "position": 2,
      "name": "产品",
      "item": "https://example.com/products"
    },
    {
      "@type": "ListItem",
      "position": 3,
      "name": "手机",
      "item": "https://example.com/products/phones"
    }
  ]
}
</script>