.act_pic_row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.act_pic {
  position: relative;
  width: calc(50% - 10px); /* 调整图片占据的宽度，这里设置为50%减去一定的间距 */
  margin-bottom: 10px; /* 调整图片之间的垂直间距 */
}

.act_pic img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.image {
  display: block;
  width: 100%;
  height: auto;
  opacity: 1;
  transition: .5s ease;
  backface-visibility: hidden;
}

.overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
  width: 100%;
  opacity: 0;
  transition: .5s ease;
  background-color: AliceBlue  ;
}

.act_pic:hover .overlay {
  Opacity: 0.7;
}

.text {
  color: black;
  font-size: 15px;
  position: absolute;
  text-align:center;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}