.firstgroup_box,
.secondgroup_box {
  min-height: 30px;
  padding: 10px 20px;
  background-color: #fff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  /* 此前修改：去掉圆角 */
  border-radius: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.firstgroup_box .firstgroup_box_prov,
.secondgroup_box .secondgroup_box_area {
  color: #f1672a;
  display: inline-block;
  min-width: 60px;
  font-weight: 600;
  margin-right: 8px;
  /* 新增：该区域文字同步放大+提高行距 */
  font-size: 14px; /* 改变字体大小 */
  line-height: 1.8; /* 改变行距 */
}

.firstgroup_box .firstgroup_box_group,
.secondgroup_box .secondgroup_box_group {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.firstgroup_box .firstgroup_item,
.secondgroup_box .secondgroup_item,
.pro_box .pro_item {
  height: 28px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  /* 此前修改：去掉圆角 */
  border-radius: 0;
  /* 此前修改：未选中状态-枪黄色虚线边框 */
  border: 1px dashed #f1672a;
  margin-left: -1px;
  float: left;
  margin-bottom: 8px;
  transition: all 0.25s ease;
  background-color: #fff;
  cursor: pointer;
}

.firstgroup_box .firstgroup_item.active,
.firstgroup_box .firstgroup_item:hover,
.secondgroup_box .secondgroup_item.active,
.secondgroup_box .secondgroup_item:hover,
.pro_box .pro_item.active,
.pro_box .pro_item:hover {
  background-color: #f1672a;
  border-color: #f1672a;
  /* 此前补充：选中/hover状态为实线边框 */
  border-style: solid;
  color: #fff;
  box-shadow: 0 4px 12px rgba(241, 103, 42, 0.2);
  transform: translateY(-2px);
}

.firstgroup_box a,
.secondgroup_box a,
.pro_box a,
.firstgroup_box .firstgroup_item,
.secondgroup_box .secondgroup_item,
.pro_box .pro_item {
  color: #4a5568;
  min-width: 120px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 500;
  text-decoration: none;
  /* ========== 关键修改：字体变大 + 行距变高 ========== */
  /* 1. 改变字体大小的代码（原12px，修改为14px，可根据需求调整为15px/16px） */
  font-size: 22px;
  /* 2. 改变行距的代码（line-height控制行距，1.8为相对行距，适配字体大小，也可设固定值如22px） */
  line-height: 2.5;
}

.firstgroup_box a:hover,
.secondgroup_box a:hover,
.pro_box a:hover,
.firstgroup_box .firstgroup_item:hover a,
.secondgroup_box .secondgroup_item:hover a,
.pro_box .pro_item:hover a {
  color: #fff;
}