看一下效果：
PixPin_2024-06-09_08-43-35.gif

HTML代码：

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>手机充电动画</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <div class="container">
      <div class="number">66.6%</div>
      <div class="contrast">
        <div class="circle"></div>
        <ul id="bubbles" class="bubbles"></ul>
      </div>
    </div>
    <script>
      const bubbles = document.getElementById("bubbles");
      for (let i = 0; i < 15; i++) {
        const bubble = document.createElement("li");
        const width = `${15 + 15 * Math.random()}px`;
        const left = `${15 + 70 * Math.random()}px`;
        const duration = `${3 + 6 * Math.random()}s`;
        const delay = `${(5000 * Math.random()) / 1000}s`;
        bubble.style.width = width;
        bubble.style.height = width;
        bubble.style.left = left;
        bubble.style.animation = `moveToTop ${duration} ease-in-out ${delay} infinite`;
        bubbles.appendChild(bubble);
      }
    </script>
  </body>
</html>

CSS代码：

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #000;
  overflow: hidden;
}

.container {
  position: relative;
  width: 300px;
  height: 400px;
}

.number {
  position: absolute;
  width: 300px;
  top: 24%;
  text-align: center;
  font-size: 32px;
  color: #fff;
  z-index: 10;
}

.contrast {
  width: 300px;
  height: 400px;
  background-color: #000;
  overflow: hidden;
  filter: contrast(10) hue-rotate(0);
  animation: hueRotate 10s infinite linear;
}

.circle {
  position: relative;
  width: 300px;
  height: 300px;
  filter: blur(8px);
}

.circle::after {
  content: "";
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0);
  width: 200px;
  height: 200px;
  background-color: #00ff6f;
  border-radius: 42% 38% 62% 49% / 45%;
  animation: rotate 10s infinite linear;
}

.circle::before {
  content: "";
  position: absolute;

  width: 176px;
  height: 176px;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: #000;
  z-index: 10;
}

.bubbles {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 100px;
  height: 40px;
  transform: translate(-50%, 0);
  border-radius: 100px 100px 0 0;
  background-color: #00ff6f;
  filter: blur(5px);
}

li {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: #00ff6f;
}

@keyframes rotate {
  50% {
    border-radius: 45% / 42% 38% 58% 49%;
  }
  100% {
    transform: translate(-50%, -50%) rotate(720deg);
  }
}

@keyframes hueRotate {
  100% {
    filter: contrast(15) hue-rotate(360deg);
  }
}

@keyframes moveToTop {
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0.1;
    transform: translate(-50%, -180px);
  }
}

标签: css, html

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