mini_read_space_front/components/gender-tabs/index.wxss

.gender-tabs {
  display: flex;
  margin-bottom: 20rpx;
}

.tab {
  font-size: 30rpx;
  margin-right: 60rpx;
  padding: 10rpx 0;
  position: relative;
  color: #999;
}

.tab.active {
  color: #333;
  font-weight: bold;
}

.tab.active:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40rpx;
  height: 6rpx;
  background: linear-gradient(to right, #007aff, #af97ed);
  border-radius: 3rpx;
}