css平滑滚动

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Smooth Scroll Example</title>
    <style>
        html {
            scroll-behavior: smooth;
        }
        .section {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 2em;
        }
        #section1 { background-color: #f06; }
        #section2 { background-color: #0f6; }
        #section3 { background-color: #06f; }
    </style>
</head>
<body>
    <a href="#section1">Go to Section 1</a>
    <a href="#section2">Go to Section 2</a>
    <a href="#section3">Go to Section 3</a>

    <div id="section1" class="section">Section 1</div>
    <div id="section2" class="section">Section 2</div>
    <div id="section3" class="section">Section 3</div>
</body>
</html>

<script src="https://cdn.jsdelivr.net/npm/smoothscroll-polyfill@0.4.4/dist/smoothscroll.min.js"></script>
<script>
    smoothscroll.polyfill();
</script>