<div class="box">
  <div class="profile">
    <div class="imgBx">
      <img src="https://mankeung.github.io/docs/mk-data/assets/logo.png">
    </div>
    <h4 class="text">web前端开发-资料<br><span><a href="https://mankeung.github.io/docs/mk-data/" target="_blank">点击地址访问</a></span></h4>
  </div>
  <ul class="menu">
    <li>
      <label>
        <span class="title"><ion-icon name="wifi"></ion-icon> Wi-Fi</span>
        <span class="action">
          <input type="checkbox">
          <i></i>
        </span>
      </label>
    </li>
    <li>
      <label>
        <span class="title"><ion-icon name="bluetooth"></ion-icon> 蓝牙</span>
        <span class="action">
          <input type="checkbox">
          <i></i>
        </span>
      </label>
    </li>
    <li>
      <label>
        <span class="title"><ion-icon name="airplane"></ion-icon> 飞行模式</span>
        <span class="action">
          <input type="checkbox">
          <i></i>
        </span>
      </label>
    </li>
    <li>
      <label>
        <span class="title"><ion-icon name="location"></ion-icon>位置</span>
        <span class="action">
          <input type="checkbox">
          <i></i>
        </span>
      </label>
    </li>
    <li>
      <label>
        <span class="title"><ion-icon name="moon"></ion-icon> 夜间模式</span>
        <span class="action">
          <input type="checkbox" id="dark">
          <i></i>
        </span>
      </label>
    </li>
  </ul>
</div>
<script type="module" src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.esm.js"></script>
 <script nomodule src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.js"></script>

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #fafafa;
  background: #f0f0f0;
  transition: 0.5s;
}

.darkMode {
  background: #222;
}

.box {
  position: relative;
  padding: 30px;
  width: 300px;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 30px 30px rgba(0,0,0,0.05);
  transition: 0.5s;
}

.darkMode .box {
  background: #292929;
}

.profile {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.profile .imgBx {
  position: relative;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
}

.profile .imgBx img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile .text {
  font-weight: 500;
  color: #333;
  line-height: 1.2em;
} 

.darkMode .profile .text  {
  color: #ddd;
}

.profile .text span {
  font-weight: 400;
  font-size: 0.85em;
  color: #555;
}

.darkMode .profile .text span {
  color: #aaa;
}

.menu {
  position: relative;
  margin-top: 20px;
  padding-top: 10px;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.darkMode .menu {
  border-top: 1px solid rgba(255,255,255,0.05);
}

.menu li {
  list-style: none;
  margin: 8px 0;
}

.menu li label {
  position: relative;
  display: flex;
  justify-content: space-between;
}

.menu li label span {
  display: flex;
  justify-content: center;
  align-items: center;
  user-select: none;
  cursor: pointer;
  color: #777;
}

.darkMode .menu li label span  {
  color: #aaa;
}

.menu li label span ion-icon {
  margin-right: 10px;
}

.menu li label .action {
  position: relative;
}

.menu li label .action input {
  appearance: none;
}

.menu li label .action i {
  position: relative;
  width: 30px;
  height: 15px;
  border-radius: 15px;
  background: #ddd;
  transition: 0.5s;
}

.darkMode .menu li label .action i {
  background: #666;
}

.menu li label .action input:checked ~ i {
  background: #2aa0ff;
}

.menu li label .action i::before {
  content: '';
  position: absolute;
  top: 2.5px;
  left: 2.5px;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: 0.5s;
}

.menu li label .action input:checked ~ i::before {
  left: calc(100% - 12.5px);
}

let body = document.querySelector('body');
let dark = document.querySelector('#dark');

dark.onclick = function(){
  if (dark.checked == true){
    body.classList.add('darkMode');
  } else {
    body.classList.remove('darkMode');
  }
}