Template:跳脸/style.css

.fullscreen-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  background-color: black;
  opacity: 0;
  transform-origin: top left;
  transform: scale(0);
  transition: transform 0.3s ease-out, opacity 0.3s ease-out, width 0s 0.3s, height 0s 0.3s;
  z-index: 9999;
  overflow: hidden;
}

/* 显示时：直接铺满全屏，放大到1倍 */
.fullscreen-image.show {
  width: 100vw;
  height: 100vh;
  opacity: 1;
  transform: scale(1);
  transition: transform 0.3s ease-out, opacity 0.3s ease-out, width 0s, height 0s;
}

.fullscreen-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}