.jjfa .qt .swiper-slide:nth-child(1) .item h3::before {
  background-image: url('../images/qt-icon1.png');
}
.jjfa .qt .swiper-slide:nth-child(2) .item h3::before {
  background-image: url('../images/qt-icon2.png');
}

.jjfa .qt .swiper-slide:nth-child(3) .item h3::before {
  background-image: url('../images/qt-icon3.png');
}

.jjfa .qt .swiper-slide:nth-child(4) h3::before {
  background-image: url('../images/qt-icon4.png');
}