/* 弹窗遮罩层 */
.qr-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  /* 默认隐藏 */
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 9999;
}

/* 弹窗显示状态 */
.qr-modal.active {
  opacity: 1;
  visibility: visible;
}

/* 弹窗内容容器：比二维码大 50px；上下留白一致，上栏放关闭按钮 */
.qr-modal-content {
  position: relative;
  box-sizing: border-box;
  width: 250px;
  height: 280px;
  background-color: white;
  padding: 40px 25px 40px 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.qr-modal.active .qr-modal-content {
  transform: scale(1);
}

/* 弹框右上角关闭按钮 - 灰色，位于顶栏内不遮住二维码 */
.qr-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
  color: #888;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background-color 0.2s;
}

.qr-modal-close:hover {
  color: #555;
  background-color: rgba(0, 0, 0, 0.08);
}

.qr-modal-title {
  display: none;
}

/* 二维码 200×200，在关闭按钮下方居中 */
.qr-img {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  display: block;
}

.qr-modal-desc {
  display: none;
}