纯css编写支持移动触摸的垂直进度滑块特效代码

使用方法

@charset "UTF-8";
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.cd__main{
   background: #05051a !important;
  display: grid !important;
   grid-template-columns: 1fr 1fr;
  place-items: center;
  max-width: 480px !important;
}
body {
  min-height: 100vh;
  margin: 0 auto;
  background-color: #05051a;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
}

.wrapper {
  position: relative;
  height: 20rem;
  width: 3rem;
  left: 50%;
  margin-left: 100px;
}
.wrapper::before, .wrapper::after {
  display: block;
  position: absolute;
  z-index: 99;
  color: #fff;
  width: 100%;
  text-align: center;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.75rem 0;
  pointer-events: none;
}
.wrapper::before {
  content: "+";
}
.wrapper::after {
  content: "−";
  bottom: 0;
}

input[type=range] {
  -webkit-appearance: none;
  background-color: rgba(255, 255, 255, 0.2);
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  padding: 0;
  width: 20rem;
  height: 3.5rem;
  transform: translate(-50%, -50%) rotate(-90deg);
  border-radius: 1rem;
  overflow: hidden;
  cursor: row-resize;
}
input[type=range][step] {
  background-color: transparent;
  background-image: repeating-linear-gradient(to right, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.2) calc(12.5% - 1px), #05051a 12.5%);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 0;
  box-shadow: -20rem 0 0 20rem rgba(255, 255, 255, 0.2);
}
input[type=range]::-moz-range-thumb {
  border: none;
  width: 0;
  box-shadow: -20rem 0 0 20rem rgba(255, 255, 255, 0.2);
}