YouTuan_wxapp/compone/code-input/code-input.wxss

/* compone/code-input/code-input.wxss */
.input {
  margin-top: 240rpx;
  padding: 0 60rpx;
  position: relative;
  display: flex;
  justify-content: space-between;
}
.input-item {
  position: relative;
  display: inline-block;
  width: 90rpx;
  height: 106rpx;
  background-color: #FFFFFF;
  border-radius: 12rpx;
}
/* .input-item:not(:first-child) {
  margin-left: 26.67rpx;
} */
.input-value {
  display: inline-block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 28rpx;
}
.input-password {
  position: absolute;
  left: -360rpx;
  top: 0;
  height: 90rpx;
  width: 880rpx;
  opacity: 0;
}
.focus {
  width: 2rpx;
  height: 50rpx;
  background-color: #333;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.show {
  display: block;
  animation: blink 1s linear infinite;
}
.hide {
  display: none;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }

  50.01%, to {
    opacity: 0;
  }
}