.image-row {
  display: flex;
  flex-wrap: wrap; /* 允许换行 */
  justify-content: center;
}
.image-row img {
  margin:0 1%;
  width: 30%;
}
@media (max-width: 768px) {
.image-row {
    /* flex-direction: column; 手机端改为垂直布局 */
    align-items: center;
}
.image-row img {
    width: 20%; /* 图片在手机端宽度自适应 */
}
}