/* 设置索引页主体 */
.index {
  height: 600px;
  background-color: #d6d6d6;
}

.index_box {
  height: 100%;
  column-count: 4;
  column-gap: 20px;
}

.index_box a {
  display: block;
  color: #ffffff;
  font-size: 30px;
  font-weight: bold;
  text-align: center;
  line-height: 200px;
}

.index_box a:hover {
  transform: scale(1.1) translateY(-10px);
}

.index_item1 {
  height: 100%;
  background-image: url(../photo/背景gif.gif);
  background-size: cover;
  background-size: 100% 100%;
}

.index_item2 {
  height: 100%;
  background-image: url(../photo/czw.jpg);

}

.index_item3 {
  height: 100%;
  background-image: url(../photo/呱呱鸟/P1811057.JPG);
  background-size: cover;
}

.index_item4 {
  height: 100%;
  background-image: url(../photo/preview.gif);
  background-size: cover;
  background-size: 100% 100%;
}

[class^="index_item"]:hover {
  transform: perspective(600px) scale(1.1) translateY(-10px) rotateY(360deg);
  box-shadow: 0 0 10px #000000;
  transition: all 1s ease-in-out;
}