front/static/information/girl_height/css/girl_height_start.scss

.background {
  background-image: url("/static/information/girl_height/pictures/img.png");
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* Human 动画，从页面中部向上移动 */
.human {
  position: absolute;
  width: 100%;
  height: 90%;
  top:10%;
  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 */
}

.progress{
  position: absolute;
  width: 77%;
  height: 7%;
  object-fit: contain; /* 保持图片比例 */
  animation: fadeIn 1s ease 2s forwards; /* 2秒后显示 */
  opacity: 0;
  top: 2%; /* 根据需要调整位置 */
}

/* Text 延迟显示 */
.roll {
  position: absolute;
  width: 77%;
  height: 20%;
  object-fit: contain; /* 保持图片比例 */
  animation: fadeIn 1s ease 2s forwards; /* 2秒后显示 */
  opacity: 0;
  top: 55%; /* 根据需要调整位置 */
}

/* Button 延迟显示并加缩放特效，放在下方 */
.button {
  position: absolute;
  height: 13%;
  width: 80%;
  animation: fadeInScale 1s ease 2.5s forwards; /* 2.5秒后显示并缩放 */
  opacity: 0;
  right: 10%; /* 距右边 10% */
  bottom: 2%; /* 距底部 3.5% */
}

.text{
  position: absolute;
  font-size: 1.5em;
  text-align: center;
  width: 100%;
  height: 20%;
  top: 69%;
  animation: fadeIn 1s ease 2s forwards; /* 2秒后显示 */
  opacity: 0;
  color:#ffffff;
}

/* 定义 human 上移动画 */
@keyframes moveUp {
  from {
    top: 55%;
  }
  to {
    top: 35%;
  }
}

/* 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);
  }
}