.image-box {
  text-align: center;
  padding: 0.5em 0 1em;
}
/* 添加阴影 */
.image-box img {
  width: auto;
  max-width: 100%;
  box-shadow: 0 2px 8px rgba(3, 3, 3, 0.1);
  border-radius: 6px;
}
.image-box.emoticon-box img {
  max-width: 290px;
}
.image-box .image-tips {
  font-size: 12px;
  color: #888;
  position: relative;
  top: -0.8em;
}
/* 自适应 */
.image-box.auto-box img {
  box-shadow: none;
  border-radius: none;
}