/* 首页头图加载 */
body[data-type=anzhiyu] #nav,body[data-type=anzhiyu] #scroll-down,body[data-type=anzhiyu] #site-info {
  -webkit-animation: scale 2.2s cubic-bezier(.6,.1,.25,1) .5s 1 backwards;
  animation: scale 2.2s cubic-bezier(.6,.1,.25,1) .5s 1 backwards
}

@media screen and (max-width: 768px) {
  .pl-container {
      position:relative!important
  }
}

@media screen and (min-width: 768px) {
  #page-header.full_page,.pl-container {
    height:100vh
  }

  #page-header.full_page.expand-to-full,.pl-container.expand-to-full {
    height: 50vh!important
  }
  .pl-container {
      will-change: opacity,transform,filter;
      opacity: calc(1 - var(--process) * 1)!important;
      transform: scale(calc(1 + var(--process) * .1));
      filter: blur(calc(var(--process) * 10px));
  }
}

.pl-container {
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: -2;
    overflow: hidden;
    will-change: transform; /* 添加性能优化 */
    animation: blur-to-clear 2.5s cubic-bezier(.6,.25,.25,1) 0s 1 backwards,scale 2.2s cubic-bezier(.6,.1,.25,1) .5s 1 backwards;
  }

  .pl-img {
    width: 100%;
    height: 100%;
    position: absolute;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: .1;
    transition: opacity 1s;
    will-change: transform,opacity
  }
  .pl-video.pl-visible {
    display: block
}
  @keyframes blur-to-clear {
    0% {
      filter: blur(50px);
      opacity: 1;
    }
    100% {
      filter: blur(0);
      opacity: 1;
    }
  }
  
  @keyframes scale {
    0% {
      transform: scale(1.5) translateZ(0);
      opacity: 0;
    }
    to {
      transform: scale(1) translateZ(0);
      opacity: 1;
    }
  }
  .pl-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAKUlEQVQImU3IMREAIAgAwJfNkQCEsH8cijjpMf6vnXlQaIiJFx+omEBfmqIEZLe2jzcAAAAASUVORK5CYII=);
 }

  .pl-visible {
    opacity: 1;
  }
  
  .pl-blur {
    /* 小图锯齿多，增加高斯模糊 */
    filter: blur(50px);
  }