<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>光带效果</title>
  <style>
    .light-effect {
      position: fixed;
      width: 10px;
      height: 10px;
      background-color: #fff;
      border-radius: 50%;
      pointer-events: none;
      animation: light-effect-animation 2s infinite;
    }

    @keyframes light-effect-animation {
      0% {
        transform: translateX(0);
      }
      25% {
        transform: translateX(50px);
      }
      50% {
        transform: translateX(100px);
      }
      75% {
        transform: translateX(150px);
      }
      100% {
        transform: translateX(0);
      }
    }
  </style>
</head>
<body>
  <div class="light-effect"></div>

  <script>
    document.addEventListener('mousemove', function (event) {
      event.preventDefault();
      const lightEffect = document.querySelector('.light-effect');
      lightEffect.style.animationPlayState = 'running';
    });

    document.addEventListener('click', function (event) {
      event.preventDefault();
      const lightEffect = document.querySelector('.light-effect');
      lightEffect.style.animationPlayState = 'paused';
    });
  </script>
</body>
</html>