先看效果：
再看代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>豆子开关</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
-webkit-tap-highlight-color: transparent;
outline: 1px solid transparent;
}
body {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
gap: 8px;
min-height: 100vh;
font-size: 2em;
}
.toggle-wrapper {
display: inline-block;
position: relative;
border-radius: 3.125em;
overflow: hidden;
}
.toggle-checkbox {
-webkit-appearance: none;
appearance: none;
position: absolute;
z-index: 1;
top: 0;
left: 0;
border-radius: inherit;
width: 100%;
height: 100%;
cursor: pointer;
}
.toggle-container {
display: flex;
position: relative;
border-radius: inherit;
width: 2.5em;
height: 1.25em;
background-color: #d1d4dc;
box-shadow: inset 0.0625em 0 0 #d4d2de, inset -0.0625em 0 0 #d4d2de, inset 0.125em 0.25em 0.125em 0.25em #b5b5c3;
mask-image: radial-gradient(#fff, #000);
transition: all 0.4s;
}
.toggle-wrapper.red > .toggle-checkbox:checked + .toggle-container {
background-color: #f5233c;
box-shadow: inset 0.0625em 0 0 #f5233c, inset -0.0625em 0 0 #f5233c, inset 0.125em 0.25em 0.125em 0.25em #d70026;
}
.toggle-wrapper.yellow > .toggle-checkbox:checked + .toggle-container {
background-color: #fbc433;
box-shadow: inset 0.0625em 0 0 #fbc433, inset -0.0625em 0 0 #fbc433, inset 0.125em 0.25em 0.125em 0.25em #ee9902;
}
.toggle-wrapper.blue > .toggle-checkbox:checked + .toggle-container {
background-color: #4588ff;
box-shadow: inset 0.0625em 0 0 #4588ff, inset -0.0625em 0 0 #4588ff, inset 0.125em 0.25em 0.125em 0.25em #3952f3;
}
.toggle-ball {
position: relative;
border-radius: 50%;
width: 1.25em;
height: 1.25em;
background-image: radial-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 16%), radial-gradient(#d2d4dc, #babac2);
background-position: -0.25em -0.25em;
background-size: auto, calc(100% + .25em) calc(100% + .25em);
background-repeat: no-repeat;
box-shadow: 0.25em 0.25em 0.25em #8d889e, inset 0.0625em 0.0625em 0.25em #d1d1d6, inset -0.0625em -0.0625em 0.25em #8c869e;
transition: transform 0.4s, box-shadow 0.4s;
}
.toggle-ball::after {
content: "";
position: absolute;
top: 0;
left: 0;
border-radius: 50%;
width: 100%;
height: 100%;
background-position: -0.25em -0.25em;
background-size: auto, calc(100% + .25em) calc(100% + .25em);
background-repeat: no-repeat;
opacity: 0;
transition: opacity 0.4s;
}
.toggle-wrapper.red > .toggle-container > .toggle-ball::after {
background-image: radial-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 16%), radial-gradient(#ff2751, #e0022f);
box-shadow: 0.25em 0.25em 0.25em #b70033, inset 0.0625em 0.0625em 0.25em #fe7d7e, inset -0.0625em -0.0625em 0.25em #870002;
}
.toggle-wrapper.yellow > .toggle-container > .toggle-ball::after {
background-image: radial-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 16%), radial-gradient(#f5d05f, #d67f1b);
box-shadow: 0.25em 0.25em 0.25em #bc6d00, inset 0.0625em 0.0625em 0.25em #fff27a, inset -0.0625em -0.0625em 0.25em #9f3901;
}
.toggle-wrapper.blue > .toggle-container > .toggle-ball::after {
background-image: radial-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 16%), radial-gradient(#419efe, #4ba2ff);
box-shadow: 0.25em 0.25em 0.25em #2634d0, inset 0.0625em 0.0625em 0.25em #8dd5ff, inset -0.0625em -0.0625em 0.25em #1500ac;
}
.toggle-wrapper > .toggle-checkbox:checked + .toggle-container > .toggle-ball::after {
opacity: 1;
}
.toggle-checkbox:checked + .toggle-container > .toggle-ball {
transform: translateX(100%);
}
</style>
</head>
<body>
<div class="toggle-wrapper red">
<input class="toggle-checkbox" type="checkbox">
<div class="toggle-container">
<div class="toggle-ball"></div>
</div>
</div>
<div class="toggle-wrapper yellow">
<input class="toggle-checkbox" type="checkbox">
<div class="toggle-container">
<div class="toggle-ball"></div>
</div>
</div>
<div class="toggle-wrapper blue">
<input class="toggle-checkbox" type="checkbox">
<div class="toggle-container">
<div class="toggle-ball"></div>
</div>
</div>
</body>
</html>