/* 滚动进入视口动画的初始状态 */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  will-change: opacity, transform;
}
.scroll-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* 产品卡片交错入场 */
.service-item.scroll-animate {
  transition-delay: calc(var(--i, 0) * 0.12s);
}
/* 新闻列表交错入场 */
.news-list .news-item.scroll-animate {
  transition-delay: calc(var(--i, 0) * 0.15s);
}
/* 软件区块图片轻微缩放 */
.software-block .cover img {
  transition: transform 0.6s ease;
}
.software-block .cover img:hover {
  transform: scale(1.03);
}