/* PC端样式 */
@media screen and (min-width: 768px) {
  .mobile-qrcode-text {
    display: none;
  }
  .qrcode-guide {
    position: fixed;
    right: 20px;
    bottom: 120px;
    z-index: 1000;
    width: 150px;
  }
}

/* 移动端样式 */
@media screen and (max-width: 767px) {
  .qrcode-guide {
    display: none;
  }
  .mobile-qrcode-text {
    position: fixed;
    right: 20px;
    bottom: 120px;
    z-index: 1000;
  }
  .mobile-qrcode-item {
    background: white;
    padding: 10px 15px;
    border-radius: 20px;
    margin-bottom: 10px;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
  }
  .mobile-qrcode-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 1001;
    width: 80%;
    max-width: 300px;
  }
  .mobile-qrcode-popup img {
    width: 100%;
    display: block;
  }
  .mobile-qrcode-popup .close-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
  }
  .mobile-qrcode-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
  }
}