Input Slider CSS渲染不符合预期 寻求解决方案

我遇到了Input Slider CSS渲染不符合预期的问题：使用滑块样式生成工具生成的CSS在其网页上显示正常，但独立使用时仅滑块圆圈被正确样式化。此前找到的唯一支持此类滑块定制的方案依赖伪元素样式化，兼容性不佳，希望获取跨浏览器的非JS解决方案。

更新2：缺失的是用于更新value属性的JS代码，可查看已采纳答案获取对应代码。

相关代码示例 #

CSS 代码

input[type=range].slider {
  height: 23px;
  -webkit-appearance: none;
}

/*progress support*/
input[type=range].slider.slider-progress {
  --range: calc(var(--max) - var(--min));
  --ratio: calc((var(--value) - var(--min)) / var(--range));
  --sx: calc(0.5 * 16px + var(--ratio) * (100% - 16px));
}

input[type=range].slider:focus {
  outline: none;
}

/*webkit*/
input[type=range].slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 1em;
  background: #FFFFFF;
  border: none;
  box-shadow: 0 0 2px black;
  margin-top: calc(max((1em - 1px - 1px) * 0.5,0px) - 16px * 0.5);
}

input[type=range].slider::-webkit-slider-runnable-track {
  height: 1em;
  border: 1px solid #b2b2b2;
  border-radius: 0.5em;
  background: #B5B5B5;
  box-shadow: none;
}

input[type=range].slider::-webkit-slider-thumb:hover {
  background: #20BBE1;
}

input[type=range].slider:hover::-webkit-slider-runnable-track {
  background: #B5B5B5;
  border-color: #9a9a9a;
}

input[type=range].slider::-webkit-slider-thumb:active {
  background: #1C89A9;
}

input[type=range].slider:active::-webkit-slider-runnable-track {
  background: #B5B5B5;
  border-color: #c1c1c1;
}

input[type=range].slider.slider-progress::-webkit-slider-runnable-track {
  background: linear-gradient(#20BBE1,#20BBE1) 0/var(--sx) 100% no-repeat, #B5B5B5;
}

input[type=range].slider.slider-progress:hover::-webkit-slider-runnable-track {
  background: linear-gradient(#20BBE1,#20BBE1) 0/var(--sx) 100% no-repeat, #B5B5B5;
}

input[type=range].slider.slider-progress:active::-webkit-slider-runnable-track {
  background: linear-gradient(#20BBE1,#20BBE1) 0/var(--sx) 100% no-repeat, #B5B5B5;
}

/*mozilla*/
input[type=range].slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 1em;
  background: #FFFFFF;
  border: none;
  box-shadow: 0 0 2px black;
}

input[type=range].slider::-moz-range-track {
  height: max(calc(1em - 1px - 1px),0px);
  border: 1px solid #b2b2b2;
  border-radius: 0.5em;
  background: #B5B5B5;
  box-shadow: none;
}

input[type=range].slider::-moz-range-thumb:hover {
  background: #20BBE1;
}

input[type=range].slider:hover::-moz-range-track {
  background: #B5B5B5;
  border-color: #9a9a9a;
}

input[type=range].slider::-moz-range-thumb:active {
  background: #1C89A9;
}

input[type=range].slider:active::-moz-range-track {
  background: #B5B5B5;
  border-color: #c1c1c1;
}

input[type=range].slider.slider-progress::-moz-range-track {
  background: linear-gradient(#20BBE1,#20BBE1) 0/var(--sx) 100% no-repeat, #B5B5B5;
}

input[type=range].slider.slider-progress:hover::-moz-range-track {
  background: linear-gradient(#20BBE1,#20BBE1) 0/var(--sx) 100% no-repeat, #B5B5B5;
}

input[type=range].slider.slider-progress:active::-moz-range-track {
  background: linear-gradient(#20BBE1,#20BBE1) 0/var(--sx) 100% no-repeat, #B5B5B5;
}

/*ms*/
input[type=range].slider::-ms-fill-upper {
  background: transparent;
  border-color: transparent;
}

input[type=range].slider::-ms-fill-lower {
  background: transparent;
  border-color: transparent;
}

input[type=range].slider::-ms-thumb {
  width: 16px;
  height: 16px;
  border-radius: 1em;
  background: #FFFFFF;
  border: none;
  box-shadow: 0 0 2px black;
  margin-top: 0;
  box-sizing: border-box;
}

input[type=range].slider::-ms-track {
  height: 1em;
  border-radius: 0.5em;
  background: #B5B5B5;
  border: 1px solid #b2b2b2;
  box-shadow: none;
  box-sizing: border-box;
}

input[type=range].slider::-ms-thumb:hover {
  background: #20BBE1;
}

input[type=range].slider:hover::-ms-track {
  background: #B5B5B5;
  border-color: #9a9a9a;
}

input[type=range].slider::-ms-thumb:active {
  background: #1C89A9;
}

input[type=range].slider:active::-ms-track {
  background: #B5B5B5;
  border-color: #c1c1c1;
}

input[type=range].slider.slider-progress::-ms-fill-lower {
  height: max(calc(1em - 1px - 1px),0px);
  border-radius: 0.5em 0 0 0.5em;
  margin: -1px 0 -1px -1px;
  background: #20BBE1;
  border: 1px solid #b2b2b2;
  border-right-width: 0;
}

input[type=range].slider.slider-progress:hover::-ms-fill-lower {
  background: #20BBE1;
  border-color: #9a9a9a;
}

input[type=range].slider.slider-progress:active::-ms-fill-lower {
  background: #20BBE1;
  border-color: #c1c1c1;
}

HTML 代码

<div>
        <input type="range" class="slider slider-progress">
</div>

内容的提问来源于stack exchange，提问作者mseifert