.region-select-dialog {
  --region-dialog-primary: #1a6dff;
  --region-dialog-primary-hover: #1558d4;
  --region-dialog-primary-light: #ebf2ff;
  --region-dialog-text-primary: #1d2129;
  --region-dialog-text-secondary: #4e5969;
  --region-dialog-text-tertiary: #86909c;
  --region-dialog-border: #e5e6eb;
  --region-dialog-border-light: #f2f3f5;
  --region-dialog-border-hover: #c9cdd4;
  width: 560px;
  max-width: calc(100vw - 32px);
  border-radius: 16px;
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.region-select-dialog .el-dialog__header {
  display: none;
}

.region-select-dialog .el-dialog__body {
  position: relative;
  padding: 0;
  box-sizing: border-box;
}

.region-select-dialog__close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--region-dialog-text-tertiary);
  font-size: 18px;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.region-select-dialog__close:hover {
  background: #f7f8fa;
  color: var(--region-dialog-text-secondary);
}

.region-select-dialog__header {
  padding: 20px 24px 8px;
}

.region-select-dialog__title {
  margin: 0;
  padding-right: 40px;
  color: var(--region-dialog-text-primary);
  font-family: Source Han Sans CN, sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
}

.region-select-dialog__notice {
  margin: 8px 0 0;
  color: var(--region-dialog-text-secondary);
  font-family: Source Han Sans CN, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.region-select-dialog__divider {
  height: 1px;
  margin: 12px 24px;
  background: var(--region-dialog-border-light);
}

.region-select-dialog__select-title {
  padding: 0 24px 12px;
  color: var(--region-dialog-text-primary);
  font-family: Source Han Sans CN, sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.region-select-dialog__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-height: 300px;
  overflow-y: auto;
  padding: 0 24px 4px;
}

.region-select-dialog__region {
  position: relative;
  min-width: 0;
  height: 58px;
  padding: 0 8px;
  border: 1.5px solid var(--region-dialog-border);
  border-radius: 12px;
  background: #ffffff;
  color: var(--region-dialog-text-primary);
  font-family: Source Han Sans CN, sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
}

.region-select-dialog__region:hover,
.region-select-dialog__region--active {
  border-color: var(--region-dialog-border-hover);
  background: #f7f8fa;
}

.region-select-dialog__region--active {
  border-width: 2px;
  border-color: var(--region-dialog-primary);
  background: var(--region-dialog-primary-light);
  color: var(--region-dialog-primary);
}

.region-select-dialog__region-text {
  display: block;
  overflow: hidden;
  line-height: 1.35;
  text-align: center;
  text-overflow: ellipsis;
  white-space: normal;
}

.region-select-dialog__region--active .region-select-dialog__region-text {
  font-weight: 700;
}

.region-select-dialog__check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--region-dialog-primary);
  color: #ffffff;
  font-size: 12px;
}

.region-select-dialog__confirm-container {
  padding: 8px 24px 20px;
  text-align: right;
}

.region-select-dialog__confirm {
  min-width: 76px;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: var(--region-dialog-primary);
  font-family: Source Han Sans CN, sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
}

.region-select-dialog__confirm:hover,
.region-select-dialog__confirm:focus {
  background: var(--region-dialog-primary-hover);
}

.region-select-dialog__qrcode-dialog {
  border-radius: 12px;
}

.region-select-dialog__qrcode-dialog .el-dialog__header {
  font-size: 16px;
  font-weight: bold;
}

.region-select-dialog__qrcode-dialog .el-dialog__body {
  padding: 20px 24px 24px;
}

.region-select-dialog__qrcode-list {
  display: grid;
  grid-template-columns: repeat(var(--region-qrcode-columns, 1), minmax(0, 1fr));
  gap: 24px;
}

.region-select-dialog__qrcode-item {
  min-width: 0;
  text-align: center;
}

.region-select-dialog__qrcode-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 10px;
  background: #ffffff;
}

.region-select-dialog__qrcode-image {
  width: 162px;
  height: 162px;
  object-fit: cover;
}

.region-select-dialog__qrcode-caption {
  margin: 10px 0 0;
  color: #1f2d3d;
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .region-select-dialog {
    width: calc(100vw - 32px) !important;
  }

  .region-select-dialog__header {
    padding: 28px 18px 6px;
  }

  .region-select-dialog__title {
    font-size: 20px;
  }

  .region-select-dialog__divider {
    margin-right: 18px;
    margin-left: 18px;
  }

  .region-select-dialog__select-title {
    padding-right: 18px;
    padding-left: 18px;
  }

  .region-select-dialog__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 12px;
    padding-right: 18px;
    padding-left: 18px;
  }

  .region-select-dialog__region {
    height: 54px;
    font-size: 15px;
  }

  .region-select-dialog__confirm-container {
    padding-right: 18px;
    padding-left: 18px;
  }

  .region-select-dialog__qrcode-dialog {
    width: calc(100vw - 32px) !important;
  }

  .region-select-dialog__qrcode-list {
    grid-template-columns: 1fr;
  }
}