front/pages/transition/page3/page3.vue

<template>
  <!-- 背景 -->
  <view class="background">

    <image class="blue_background" src="/static/transition/page3/pictures/blue_background.png"></image>
    <!-- 人物 -->
    <image class="human" src="/static/transition/page3/pictures/human.png"></image>
    <!-- 文字 -->
    <image class="text" src="/static/transition/page3/pictures/text.png"></image>
    <!-- 按钮 -->
    <image class="button" @click="goToPage3" src="/static/transition/page3/pictures/button.png"></image>
  </view>
</template>

<script>
export default {
  methods: {
    goToPage3() {
      uni.navigateTo({
        url: '/pages/transition/page4/page4' // 跳转到 page4
      });
    }
  }
}
</script>

<style lang="scss">
.background {
  background-image: url("/static/transition/page3/pictures/background.png");
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.blue_background{
 position: absolute;
  top: 0%;
  width: 100%;
  height: 50%;
  object-fit: cover; /* 保持图片比例 */
  animation: fadeIn 1s ease forwards; /* 1秒后显示 */
  opacity: 0;
}
/* Human 动画，从页面中部向上移动 */
.human {
  position: absolute;
  width: 75%;
  height: 48%;


  object-fit: contain; /* 保持图片比例 */
  animation: moveUp 2s ease forwards;
  top: 30%; /* 起始位置 */
  transform: translateY(-50%); /* 垂直居中 */
}

/* Text 延迟显示 */
.text {
  position: absolute;
  width: 90%;
  height: 17%;

  object-fit: contain; /* 保持图片比例 */
  animation: fadeIn 1s ease 2s forwards; /* 2秒后显示 */
  opacity: 0;
  top: 50%; /* 根据需要调整位置 */
}

/* Button 延迟显示并加缩放特效，放在右下角 */
.button {
  position: absolute;
  height: 10vh;
  width: 22vw;
  animation: fadeInScale 1s ease 2.5s forwards; /* 2.5秒后显示并缩放 */
  opacity: 0;
  right: 5%; /* 距右边 5% */
  bottom: 3%; /* 距底部 5% */
}

/* 定义 human 上移动画 */
@keyframes moveUp {
  from {
    top: 70%;
  }
  to {
    top: 25.8%; /* 移动到页面顶部 10% */
  }
}

/* Text 和 Button 的渐入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Button 的缩放渐入动画 */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
</style>