.casetit{
  padding: 20px 0;
}
.casea{
  color: #fff;
  text-align: center;
  margin: 35px auto 0;
  display: inherit;
  font-size: 16px;
}
.custom {
  overflow: hidden;
}
.custom .con{
  width: 1200px;
  margin: 0 auto;
}
.custom .con .swiper-container .swiper-button-next {
  background-image: url(' ');
  height: 100%;
  top: 0;
  right: 0;
  width: 70px;
}
.custom .con .swiper-container .swiper-button-prev {
  background-image: url(' ');
  height: 100%;
  top: 0;
  left: 0;
  width: 70px;
}
.custom .con .swiper-container .swiper-slide {
  width: 70rem;
  overflow: hidden;
}
.custom .con .swiper-container .swiper-slide a {
  display: block;
}
.custom .con .swiper-container .swiper-slide a img {
  width: 100%;
}
.custom .con .swiper-container .swiper-slide a .text {
  background: rgb(41 41 41 / 80%);
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 0;
  opacity: 0;
  padding: 20px;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}

.custom .con .swiper-container .swiper-slide a .text .tu {
  width: 100%; font-size:25px !important; font-weight:bold;
  margin-bottom: 1.0rem;
}
.custom .con .swiper-container .swiper-slide a .text .tu img {
  width: 100%;
}
.custom .con .swiper-container .swiper-slide a .text p {
  font-size: 16px;
  color: #fff;
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  /*line-height: 1.5;*/
  /*height: 4.5em;*/
  line-height: 1.8;
  /*height: 5.4em;*/
  text-align: justify;
}
.custom .con .swiper-container .swiper-slide:hover a .text {

}
.custom .con .swiper-container .swiper-slide-active a .text {
  opacity: 1;
}
.custom .con .swiper-container .swiper-pagination {
  bottom: 2rem;
  text-align: right;
  left: auto;
  right: 10rem;
  display: inline-block;
}
.custom .con .swiper-container .swiper-pagination-bullet {
  width: 2rem;
  height: 4px;
  background: #fff;
  border-radius: 0;
  opacity: 1;
}
.custom .con .swiper-container .swiper-pagination-bullet-active {
  width: 2rem;
  height: 4px;
  background: #0075ea;
  border-radius: 0;
}
@media screen and (max-width: 768px) {
  .custom .con .swiper-container .swiper-slide {
    width: 100%;
  }
  .custom .con .swiper-container .swiper-slide a img {
    width: 100%;
  }
  .custom .con .swiper-container .swiper-slide a .text p {
    line-height: 1.5;
  }
  .custom .con .swiper-container .swiper-pagination {
    bottom: 10px;
  }
}