声音波浪 js+css

<span class="voice-wave">
  <span class="voice-line"></span>
  <span class="voice-line"></span>
  <span class="voice-line"></span>
  <span class="voice-line"></span>
  <span class="voice-line"></span>
</span>

// 语音输入波浪动画
.voice-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;

  .voice-line {
    display: inline-block;
    width: 2px;
    height: 12px;
    background-color: #3366FF;
    margin: 0 1px;
    border-radius: 2px;
    animation: voice-pulse 1.2s infinite ease-in-out;
  }

  // 为每个线条设置不同的动画延迟，形成波浪效果
  .voice-line:nth-child(1) {
    animation-delay: 0s;
  }

  .voice-line:nth-child(2) {
    animation-delay: 0.2s;
  }

  .voice-line:nth-child(3) {
    animation-delay: 0.4s;
  }

  .voice-line:nth-child(4) {
    animation-delay: 0.6s;
  }

  .voice-line:nth-child(5) {
    animation-delay: 0.8s;
  }
}

// 语音波浪动画定义
@keyframes voice-pulse {

  0%,
  100% {
    height: 4px;
    opacity: 0.3;
  }

  50% {
    height: 16px;
    opacity: 1;
  }
}