.swiper-main {
  position: relative;
  width: 1680px;
  display: block;
  margin: 0 auto;
}
.swiper-main .swiper-container {
  width: 1600px;
  margin: 0 auto;
  margin-bottom: 150px;
  margin-top: 70px;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide {
  display: flex;
  flex-wrap: wrap;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item {
  width: calc((100% - (2 - 1) * 10px) / 2);
  margin-right: 10px;
  margin-bottom: 10px;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item:nth-of-type(2n) {
  margin-right: 0;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item {
  display: flex;
  height: 580px;
  align-items: center;
  box-sizing: border-box;
  background-color: #111;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item a {
  width: 100%;
  height: 100%;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen {
  width: 100%;
  box-sizing: border-box;
  height: 100%;
  padding: 65px;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen .t h1 {
  font-size: 18px;
  color: #fff;
  padding-bottom: 16px;
  margin-bottom: 16px;
  position: relative;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen .t h1::after {
  position: absolute;
  content: '';
  width: 15px;
  height: 1px;
  background-color: #fff;
  left: 0;
  bottom: 0;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen .t h2 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 28px;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen .t p {
  font-size: 13px;
  line-height: 22px;
  color: #868686;
  margin-bottom: 240px;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen h6 {
  font-size: 13px;
  color: #868686;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item:nth-of-type(1) {
  background-color: #dcdcdc;
}
.swiper-main .swiper-container .swiper-wrapper .swiper-slide .item:nth-of-type(2) {
  background-color: #282828;
}
.swiper-main .swiper-btn {
  width: 75px;
  height: 75px;
  background-color: rgba(40, 40, 40, 0.8);
  border-radius: 50%;
  position: absolute;
  top: unset;
  bottom: 47.2%;
  color: unset;
}
.swiper-main .swiper-btn::after {
  display: none;
}
.swiper-main .swiper-btn img {
  display: block;
  margin: 0 auto;
}
.swiper-main .swiper-button-prev {
  left: 0;
}
.swiper-main .swiper-button-next {
  right: 0;
}
.swiper-main-two .swiper-container {
  max-height: 1180px;
  height: 1180px !important;
}
.swiper-main-two .swiper-container .swiper-wrapper .swiper-slide {
  max-height: 590px !important;
}
@media screen and (max-width: 1680px) {
  html .G_tit1 {
    width: 1200px;
  }
  html .swiper-main {
    width: 1280px;
  }
  html .swiper-main .swiper-container {
    width: 1200px;
    height: 890px !important;
  }
  html .swiper-main .swiper-container .swiper-wrapper .swiper-slide {
    height: 434px !important;
    margin-bottom: 10px;
  }
  html .swiper-main .swiper-container .swiper-wrapper .swiper-slide .item {
    height: 434px;
  }
  html .swiper-main .swiper-container .swiper-wrapper .swiper-slide .item .cen .t p {
    margin-bottom: 2.5rem;
  }
  html .sub_cen .sub {
    width: 1200px;
  }
  html .footer_cen .footer {
    width: 1200px;
  }
  html .txt1,
  html .txt_2 {
    width: 1060px;
  }
  html .txt1 .b p {
    width: 500px;
  }
  html .txt1 .b h2 {
    width: 500px;
  }
  html .txt_2 .b p {
    width: 500px;
  }
}