.banner {
  height: 600px;
  overflow: hidden;
}
.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: myfirst 20s linear infinite;
}
@keyframes myfirst {
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(1.15);
  }
  75% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
@-moz-keyframes myfirst {
  /* Firefox */
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(1.15);
  }
  75% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
@-webkit-keyframes myfirst {
  /* Safari and Chrome */
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(1.15);
  }
  75% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
@-o-keyframes myfirst {
  /* Opera */
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(1.15);
  }
  75% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
.tit {
  display: flex;
  justify-content: center;
  position: relative;
}
.tit::before {
  position: absolute;
  content: "";
  width: 100%;
  height: 2px;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.1);
}
.tit a p {
  margin: 0 2rem;
  font-size: 1rem;
  margin-top: 3rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(0, 0, 0, 0);
  cursor: pointer;
}
.tit a p:hover {
  border-bottom: 2px solid #5dc9df;
  color: #5dc9df;
}
.tit a:first-of-type p {
  border-bottom: 2px solid #5dc9df;
  color: #5dc9df;
}
.main-1 .content {
  display: flex;
  align-items: center;
}
.main-1 .content .left {
  width: 40%;
  margin-right: 10%;
  height: 12rem;
  background-color: #999;
  flex-shrink: 0;
}
.main-1 .content .left img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-1 .content .right {
  width: 50%;
}
.main-1 .content .right p {
  line-height: 2;
  font-size: 0.8rem;
}
.main-2 {
  margin: 0 13%;
}
.main-2 .content {
  display: flex;
  flex-wrap: wrap;
}
.main-2 .content .swiper-wrapper .item {
  transform: scale(0.8);
  box-shadow: rgba(0, 0, 0, 0.1) 0px 3px 16px 0px;
}
.main-2 .content .swiper-wrapper .item .img {
  width: 100%;
  height: 15rem;
}
.main-2 .content .swiper-wrapper .item .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-2 .content .swiper-wrapper .item h1 {
  font-size: 1rem;
  text-align: center;
  padding-top: 2rem;
  padding-bottom: 1rem;
}
.main-2 .content .swiper-wrapper .item.swiper-slide-next {
  transform: scale(0.9);
}
.main-2 .content .swiper-pagination {
  --swiper-pagination-color: #5dc9df;
  bottom: 0;
}
.main-3 {
  margin-bottom: 3rem;
}
.main-3 .content {
  display: flex;
}
.main-3 .content .item {
  width: calc(94% / 4);
  margin-right: 2%;
}
.main-3 .content .item .img {
  width: 100%;
  height: 22rem;
}
.main-3 .content .item .img img {
  width: 100%;
  height: 100%;
  background-color: #f2f9ff;
  object-fit: cover;
  padding: 1rem;
}
.main-3 .content .item:last-of-type {
  margin-right: 0;
}
@media screen and (max-width: 1280px) {
  .main-2 .content {
    padding-bottom: 2rem;
  }
  .main-2 .content .swiper-wrapper .item.swiper-slide-next {
    transform: scale(0.8);
  }
}
@media screen and (max-width: 768px) {
  .banner {
    height: 12rem;
    margin-top: 50px;
  }
  .tit {
    margin-top: 2rem;
  }
  .tit a p {
    margin: 0 0.5rem;
  }
  .main-1 .content {
    display: block;
  }
  .main-1 .content .left {
    margin-right: 0;
    float: right;
    height: 10rem;
    width: 50%;
  }
  .main-1 .content .right {
    width: 100%;
    padding: 0 2%;
  }
  .main-2 {
    margin: 0 2%;
  }
  .main-2 .content .swiper-wrapper .item {
    transform: scale(1);
  }
  .main-2 .content .swiper-wrapper .item .img {
    height: 10rem;
  }
  .main-2 .content .swiper-wrapper .item.swiper-slide-next {
    transform: scale(1);
  }
  .main-3 .content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .main-3 .content .item {
    width: 49%;
    margin-right: 0;
    margin-bottom: 1rem;
  }
  .main-3 .content .item .img {
    height: 16rem;
  }
}