效果：
<!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>
.orderInfo {
margin: 0 0 20px 0;
background: #f8f8f9;
display: flex;
border: 1px solid #d3d6db;
width: 100%;
padding: 10px;
padding: 10px;
justify-content: space-around;
}
.orderInfo>ul:last-child {
flex: 1;
position: relative;
/* border-right: 1px solid #8a8a8a; */
}
.orderInfo>ul:last-child::before {
content: '';
width: 0px;
height: 70%;
background: #d3d6db;
position: absolute;
right: 0;
top: 35px;
}
ul {
flex: 1;
position: relative;
}
ul::before {
content: '';
width: 3px;
height: 70%;
background: #508aff;
position: absolute;
right: 0;
top: 10px;
}
</style>
</head>
<body>
<div>
<div class="orderInfo">
<ul>
<li>1</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
</ul>
<ul>
<li>3</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>4</li>
</ul>
<ul>
<li>5</li>
<li>6</li>
</ul>
</div>
</div>
</body>
</html>
