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console 命令行工具 X clear

                    
>
console
<div class="container1"></div>
<br>
<div class="container2"></div>
.container1 {
  aspect-ratio: 16 / 9;
  width: 100%;
  background: red
}

.container2 {
  padding-top: 56.25%;
  width: 100%;
  background: red
}