.material_banner {
  background-color: #000e2a;
}
.material_banner .main {
  min-height: 78rem;
  padding: 16rem 0 8rem;
}
.material_banner .head {
  flex: 1;
  max-width: 74rem;
  padding-top: 2.1%;
}
.material_banner p {
  max-width: 50.3rem;
  margin-top: 2.7rem;
}
.material_banner .btn {
  margin-top: 5.1rem;
}
.material_banner .img {
  width: 44.305556%;
  height: auto;
}
.material_banner .img:hover img {
  transform: scale(1.02);
}
.material_banner .swiper_con {
  padding-bottom: 6.8rem;
}
.material_banner .material_banner_nav_swiper {
  flex: 1;
  max-width: 110rem;
  overflow: hidden;
  border-radius: 100px;
  margin-top: 0.4rem;
}
.material_banner .material_banner_nav_swiper .nav_item {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 100px;
  height: 100%;
  font-size: 1.8rem;
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid transparent;
  text-align: center;
  padding: 2.3rem 2rem;
  font-weight: 300;
  letter-spacing: 0.25px;
}
.material_banner .material_banner_nav_swiper .nav_item.active,
.material_banner .material_banner_nav_swiper .nav_item:hover {
  background-color: transparent;
  border-color: #fff;
}
.material_products {
  background-image: linear-gradient(to bottom, #112337 5.888813%, #a6c8dd 182.92%);
  padding: 14.4rem 0 13.6rem;
  overflow: hidden;
}
.material_products h2 {
  font-weight: 500;
  letter-spacing: 1.2px;
}
.material_products p {
  margin-top: 2.3rem;
}
.material_products .mask_img {
  position: absolute;
  width: 72.916667%;
  right: -33.819444%;
  top: -19.5%;
  pointer-events: none;
}
.material_products .material_products_swiper {
  overflow: hidden;
  border-radius: 1.6rem;
  margin-top: 5.1rem;
}
.material_products .material_products_swiper .swiper-slide {
  max-width: 34rem;
}
.material_products .swiper_btns {
  justify-content: flex-end;
  margin-top: 4.2rem;
}
.material_advantages {
  padding: 14rem 0 17.5rem;
}
.material_advantages h2 {
  max-width: 98.5rem;
}
.material_advantages .flex {
  margin-top: 4.1rem;
}
.material_advantages .flex .left {
  width: 47.9166667%;
  margin-top: 0.8%;
}
.material_advantages .flex .right {
  flex: 1;
  max-width: 58.8rem;
}
.material_advantages .material_advantages_swiper {
  overflow: hidden;
  border-radius: 2.4rem;
}
.material_advantages .material_advantages_swiper .img {
  padding-bottom: 65.797%;
}
.material_advantages .material_advantages_swiper .img:hover img {
  transform: scale(1.02);
}
.material_advantages .items .item:first-child .desc {
  display: block;
}
.material_advantages .items .item.active .title span {
  opacity: 1;
}
.material_advantages .items .item.active .title i::after {
  opacity: 0;
  transform: rotate(45deg);
}
.material_advantages .items .title {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  cursor: pointer;
  font-size: 3.2rem;
  gap: 2rem;
  padding: 1.6rem 0;
  letter-spacing: 1.15px;
}
.material_advantages .items .title span {
  transition: all 0.3s;
  opacity: 0.45;
}
.material_advantages .items .title i {
  width: 1.7rem;
  height: 1.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.material_advantages .items .title i::before,
.material_advantages .items .title i::after {
  width: 100%;
  height: 2px;
  background-color: #0c0c0c;
  border-radius: 10px;
  position: absolute;
  content: '';
}
.material_advantages .items .title i::after {
  width: 2px;
  height: 100%;
  transition: all 0.3s, transform 0.4s;
}
.material_advantages .items .desc {
  display: none;
  font-size: 1.8rem;
  line-height: 3.2rem;
  color: var(--text);
  hyphens: auto;
  padding-bottom: 4.1rem;
  padding-top: 0.9rem;
  letter-spacing: 0.16px;
}
@media screen and (max-width: 768px) {
  .material_banner .main {
    min-height: unset;
    padding: 50px 0;
  }
  .material_banner .head {
    max-width: unset;
    width: 100%;
    padding: 0;
  }
  .material_banner .swiper_con {
    padding-bottom: 30px;
  }
  .material_banner .swiper_con .flex {
    align-items: center;
  }
  .material_banner .swiper_con .material_banner_nav_swiper {
    margin: 0;
  }
  .material_banner .swiper_con .material_banner_nav_swiper .nav_item {
    font-size: 14px;
    padding: 10px 14px;
    letter-spacing: unset;
  }
  .material_products {
    padding: 50px 0;
  }
  .material_products .material_products_swiper {
    overflow: unset;
    margin-top: 30px;
  }
  .material_products .material_products_swiper .swiper-slide {
    max-width: 280px;
  }
  .material_products .swiper_btns {
    margin-top: 30px;
  }
  .material_advantages {
    padding: 50px 0;
  }
  .material_advantages .flex {
    margin-top: 30px;
  }
  .material_advantages .flex .left {
    margin: 0;
  }
  .material_advantages .flex .right {
    width: 100%;
    max-width: unset;
  }
  .material_advantages .material_advantages_swiper {
    border-radius: 10px;
  }
  .material_advantages .items .title {
    font-size: 18px;
    gap: 16px;
    letter-spacing: unset;
    padding: 14px 0;
  }
  .material_advantages .items .title i {
    width: 12px;
    height: 12px;
  }
  .material_advantages .items .desc {
    font-size: 14px;
    line-height: 1.5;
    padding-bottom: 20px;
    padding-top: 10px;
    letter-spacing: unset;
  }
}
@media screen and (max-width: 576px) {
  .material_banner .img {
    width: 100%;
    order: -1;
  }
  .material_advantages .flex .left {
    width: 100%;
  }
}
/*# sourceMappingURL=material.css.map */