伪元素清除浮动失效，求解决方法，是哪里出问题了

伪元素清除浮动失效

<style>
        .one,
        .two,
        .three {
            float: left;
        }

        .one {
            width: 200px;
            height: 400px;
            background-color: antiquewhite;
            filter: blur(1px);
        }

        .two {
            width: 300px;
            height: 400px;
            background-color: rgb(20, 207, 39);
        }

        .three {
            width: 300px;
            height: 400px;
            background-color: rgb(45, 19, 213);
        }

        .clearfix {
            /* height: 100px; */
            border: 1px solid red;
        }

        .clearfix::after {
            content: "";
            display: block;
            height: 0;
            clear: both;
            visibility: hidden;
        }

        .clearfix::after,
        .clearfix::before {
            content: "";
            display: table;
        }
    style>

<div class="clearfix">
        <div class="one">1111div>
        <div class="two">22222div>
        <div class="three">3333333div>
    div>

你不是清除成功了吗？


<!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>
        .one,
        .two,
        .three {
            float: left;
        }

        .one {
            width: 200px;
            height: 400px;
            background-color: antiquewhite;
            filter: blur(1px);
        }

        .two {
            width: 300px;
            height: 400px;
            background-color: rgb(20, 207, 39);
        }

        .three {
            width: 300px;
            height: 400px;
            background-color: rgb(45, 19, 213);
        }

        .clearfix {
            /* height: 100px; */
            border: 1px solid red;
        }

        /* 清除伪类 */
        .clearfix::after {
            content: "";
            display: block;
            clear: both;
        }

        /* .clearfix::after,
        .clearfix::before {
            content: "";
            display: table;
        } */

        .top {
            width: 400px;
            height: 200px;
            background-color: skyblue;
        }

        .bottom {
            width: 400px;
            height: 200px;
            background-color: orange;
        }
    </style>
</head>

<body>

    <div class="top"></div>
    <div class="clearfix">
        <div class="one">1111</div>
        <div class="two">22222</div>
        <div class="three">3333333</div>
    </div>
    <div class="bottom"></div>
</body>

</html>

这个都没有塌陷了

把我写上注释的那个代码注释掉，类名为 bottom 的元素就塌陷了

？？？

.clearfix 给它加clear:both试试