sl-sfy-safety/src/components/TitleWithLine/TitleWithLine.vue

<template>
  <div class="title"><slot></slot></div>
</template>

<style scoped>
  .title {
    font-weight: bold;
    font-size: 16px;
    position: relative;
    margin-left: 10px;
    &::before {
      content: '';
      width: 4px;
      position: absolute;
      left: -8px;
      height: 20px;
      top: 2px;
      background-color: #1890ff;
    }
  }
</style>