.custom_modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;  /* 👈 设置为透明 */
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal_content {
  background: transparent;  /* 如果你也希望内容容器没有白边，也设为透明 */
  padding: 0;               /* 去掉内边距 */
  text-align: center;
  border-radius: 0;
  max-width: 90%;
}

.modal_image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.modal_button {
  margin-top: 20px;
}

.modal_button img {
  cursor: pointer;
  height: 40px;
  display: block;
  margin: 0 auto;
}