.texta_c a {
  color: #333;
  font-size: 24px;
  font-weight: bold;
}
.aq-btn {
  width: 200px;
  height: 50px;
  margin: auto;
  position: relative;
}
.aq-list .swiper-button-next,
.aq-list .swiper-button-prev {
  top: 0;
  width: 100px;
  height: 50px;
  border: 1px solid #d9d9d9;
  box-sizing: border-box;
  background: #fafafa;
  text-align: center;
}
.aq-list .swiper-button-next img,
.aq-list .swiper-button-prev img {
  margin-top: 14px;
  width: 24px;
}
.aq-list .swiper-button-next {
  right: 0;
  border-radius: 0 25px 25px 0;
}

.aq-list .swiper-button-prev {
  left: 0;
  border-radius: 25px 0 0 25px;
}
.sc-3 .piece-item{
  width: 31.5%;
}