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<view class="container"> <video autoplay="{{true}}" src="xx.mp4"> <input class="input-test" /> </video> </view> .input-test { position: fixed; z-index: 111; top: 50px; left: 50%; -webkit-transform: translateX(-50%); transform: translateX(-50%); width: 50vw; height: 30rpx; background-color: turquoise; color: red; }