.activity-page {
  width: 750rpx;
	height: calc(4937rpx + 845rpx);
  position: relative;
  max-width: 100vw; // 确保不超过视口宽度
  overflow-x: hidden; // 防止水平滚动
	background-size: contain;
	background-repeat: no-repeat;
	background-position: left 845rpx;

  // 返回按钮样式
  .nav-left {
    position: fixed;
    top: 100rpx;
    left: 30rpx;
    z-index: 999;
    
    .back-btn {
      width: 60rpx;
      height: 60rpx;
    }
  }
}
