预期样式

方法一

<script setup>
import { ref } from "vue";
// import ScreenLeft from "./ScreenLeft/index.vue";
const width = ref("76.5%");
</script>

<template>
  Screen
  <div class="progress-contain">
    <div class="process-bg">
      <div class="process-color"></div>
    </div>
  </div>
  <!-- <ScreenLeft></ScreenLeft> -->
</template>

<style scoped lang="scss">
// src\assets\processBg.png
.progress-contain {
  width: 558px;
  height: 14px;
  .process-bg {
    width: 558px;
    height: 14px;
    background-image: url("@/assets/processBg.png");
  }
  .process-color {
    width: v-bind(width);
    height: 14px;
    background-image: url("@/assets/processBgColor.png");
  }
}
</style>

---

方法二

<div class="process-box">
    <div class="process-bar">
      <div class="process-mask" :style="{ left: process + '%' }"></div>
    </div>
    <div class="process-dot" :style="{ left: process - 1 + '%' }"></div>
  </div>



.process-box {
  position: relative;
  width: 558px;
  .process-bar {
    position: relative;
    width: 558px;
    height: 14px;
    margin-top: 10px;
    overflow: hidden;

    // background: #253959;
    background-image: url("@/assets/processBgColor.png");
    background-repeat: no-repeat;

    // background-size: 100% 14px;

    // background: linear-gradient(270deg, #44b5ff 0%, #44b2fc 100%);
    border: 1px solid #415677;
    border-radius: 8px;
    .process-mask {
      position: absolute;
      width: 558px;
      height: 14px;

      //   background: #253959;
      background-image: url("@/assets/processBg.png");
    }
  }
  .process-dot {
    position: absolute;
    top: 0;
    left: 50%;
    z-index: 3;
    width: 15px;
    height: 15px;
    background: #ffffff;
    border: 2px solid #44b1fb;
    border-radius: 50%;
    box-shadow: -2px 0 4px 0 rgb(5 29 59 / 50%);
  }
}