代码：
<!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>Document</title>
<style>
.box {
font-size: 20px;
font-weight: 600;
color: #fff;
background: linear-gradient(#ffffff 16%, #8dffe2 100%);
background-clip: text;
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
</style>
</head>
<body>
<div class="box">hello world</div>
</body>
</html>
效果：
