.modal {
  display: none; /* 隐藏模态框 */
  position: fixed;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7); /* 背景半透明 */
}

.modal_main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
}

.modal-content {
  width: 70%;
  height: 70%;
  background-color: #ededed;
}

.close {
  cursor: pointer;
  font-size: 2rem;
  color: white;
  position: absolute;
  top: 20px;
  right: 30px;
}
.main-overflow-modal {
  height: 100vh;
  overflow: hidden;
}