@keyframes loadingHolderAnimattion {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0 50%;
  }
}
#mainWrap {
  min-height: 100vh;
}
.loading-holder {
  position: relative;
}
.loading-bg {
  background: linear-gradient(-45deg, #f2f2f2 25%, #e6e6e6 37%, #f2f2f2 63%);
  background-size: 400% 100%;
  border-radius: 6px;
  animation: loadingHolderAnimattion 1.4s ease infinite;
}
.proportion {
  aspect-ratio: 16/9;
}
.proportion-228-49 {
  aspect-ratio: 228/49;
}
.flex-between {
  display: flex;
  justify-content: space-between;
}

.loading-holder_wrap {
  gap: 15px;
  flex-direction: column;
}

.loading-holder_left {
  width: 75%;
}
.loading-holder_right {
  width: 24%;
  flex-direction: column;
}
.loading-holder_right .item {
  width: 100%;
}

.loading-holder_top,
.loading-holder_bottom {
  width: 100%;
}
.loading-holder_bottom {
  margin-top: 20px;
}
.loading-holder_bottom .item {
  width: calc(33.33% - 13.33px);
}

/* 军事、科技等栏目顶部轮播模块骨架屏 */
.loading-holder .loading-status {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
.loading-holder_mg-auto {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 60px 15px;
  flex-direction: row;
}
.loading-holder_w30 {
  width: 30%;
  padding: 0 15px;
  flex-direction: column;
}
.loading-holder_title {
  width: 100%;
}
.loading-holder_title {
  aspect-ratio: 4/1;
}
.loading-holder_w70 {
  width: 70%
}
.loading-holder_small-imgs {
  position: absolute;
  left: 30px;
  bottom: 60px;
  width: calc(30% - 40px);
}
.loading-holder_small-imgs .item {
  width: calc(33% - 5px);
}

@media (max-width: 900px) {
  .loading-holder_mg-auto {
    flex-direction: column-reverse;
  }
  .loading-holder_w70,
  .loading-holder_w30 {
    width: calc(100% - 120px);
  }
  .loading-holder_w30 {
    margin-top: 30px;
    padding: 0;
  }
  .loading-holder_small-imgs {
    flex-direction: column;
    justify-content: unset;
    top: 60px;
    left: auto;
    right: 15px;
    width: 100px;
  }
  .loading-holder_small-imgs .item {
    margin-bottom: 20px;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .loading-holder_mg-auto {
    padding: 30px 15px;
  }
  .loading-holder_w70,
  .loading-holder_w30,
  .loading-holder_small-imgs {
    width: 100%;
  }
  .loading-holder_small-imgs {
    flex-direction: row;
    justify-content: space-between;
    position: static;
    max-width: 340px;
    margin: 15px auto 0;
  }
  .loading-holder_small-imgs .item {
    margin-bottom: 0;
    width: calc(33% - 5px);
  }
}

@media (max-width: 576px) {
  .loading-holder_left {
    width: 100%;
  }
  .loading-holder_right {
    display: none;
  }
}