body {
  margin: 0;
  padding: 0;
  background-color: white;
  overflow-x: hidden;
  font-family: "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}
h1 {
  text-align: center;
  padding-top: 50px;
  color: #ff69b4;
}
/* 樱花容器 */
#sakura-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none; /* 不影响页面交互 */
  z-index: 9999;
}