模板:跳脸/style.css

@keyframes zoomThenHide {
  0% {
    opacity: 0;
    transform: scale(0.1);
  }
  20% {
    opacity: 1;
    transform: scale(1); /* 放大到1即可，因为div本身已经全屏 */
  }
  86.7% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0);
  }
}

.zoom-fullscreen {
  position: fixed !important;
  top: 0;
  left: 0;
  width: 100vw; /* 宽度 = 100% 视口宽度 */
  height: 100vh; /* 高度 = 100% 视口高度 */

  /* --- 核心背景属性 --- */
  background-size: cover !important; /* 关键！保持比例铺满容器 */
  background-position: center !important; /* 背景图居中显示 */
  background-repeat: no-repeat !important; /* 背景图不重复 */
  
  /* 动画和层级 */
  transform-origin: center; /* 确保从中心缩放 */
  animation: zoomThenHide 1.5s ease-out forwards;
  z-index: 99999 !important;
}

/* 这部分可以保持不变 */
.mw-collapsible.mw-collapsed .zoom-fullscreen {
  visibility: hidden;
  opacity: 0;
}

.mw-collapsible:not(.mw-collapsed) .zoom-fullscreen {
  visibility: visible;
  opacity: 1;
}