.wechat-modal {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 15px;
  min-width: 200px;
  text-align: center;
}

.wechat-modal .close-btn {
  position: absolute;
  top: 5px;
  right: 10px;
  cursor: pointer;
  font-size: 18px;
  color: #999;
}

.wechat-modal .qr-code {
  max-width: 150px;
  height: auto;
  margin: 10px 0;
}

.wechat-modal h4 {
  margin: 0 0 10px 0;
  font-size: 16px;
  color: #333;
}

.wechat-modal p {
  margin: 5px 0;
  font-size: 12px;
  color: #666;
}

/* 隐藏状态 */
.wechat-modal.hidden {
  display: none;
}