CSS实现文本渐变色

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>文本渐变色</title>
  <style>
    .text-gradient {
      color: #6ACBFF;
      background: linear-gradient(0deg, rgba(23, 239, 160, 1) 0%, rgba(27, 128, 254, 1) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
  </style>
</head>

<body>
  <h1>
    <!-- https://stackoverflow.com/questions/49649054/why-is-my-webkit-background-clip-not-working-on-text -->
    <!-- https://codepen.io/ItsMalefis/pen/bvjyar -->
    <!-- https://developer.mozilla.org/zh-CN/docs/Web/CSS/background-clip -->
    <!-- https://blog.csdn.net/m0_61317636/article/details/125970907 -->
    <span class="text-gradient">123</span>
  </h1>
</body>

</html>