.main-1 nav {
  display: flex;
  justify-content: center;
  gap: 3.6rem;
  margin-bottom: 2.2rem;
}
.main-1 nav a {
  position: relative;
  font-size: 1.2rem;
  padding: 0.5rem 0;
}
.main-1 nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #e8378e 0%, #453283 100%);
  transform: translateX(-50%);
  transition: all ease 0.3s;
}
.main-1 nav a:hover::after,
.main-1 nav a.active::after {
  width: 100%;
}
.main-1 .content {
  padding: 0 6.5rem;
}
.main-1 .item {
  display: flex;
  margin-bottom: 1.5rem;
}
.main-1 .item .img-auto {
  flex: 1;
  overflow: hidden;
}
.main-1 .item .img-auto::before {
  padding-top: calc(100% / 900 * 490);
}
.main-1 .item .txt {
  width: 27rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 3.6rem;
  background-color: #f7f7f7;
}
.main-1 .item .txt h6 {
  font-size: 1.2rem;
}
.main-1 .item .txt .des {
  font-size: 0.8rem;
  font-family: Light;
  line-height: 1.6;
  margin-top: 1.4rem;
}
.main-1 .item .txt .more-btn {
  margin-top: auto;
}
.main-1 .item:hover .img-auto img {
  transform: scale(1.04);
}
.main-1 .item:hover .txt {
  background-color: #f6f3f4;
}
body.preview-open {
  overflow: hidden;
}
.image-preview {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 9999;
  transition: none;
}
.image-preview .preview-panel {
  position: relative;
  width: 100vw;
  height: 100vh;
  padding: 2rem 6.8rem 4.3rem;
  background-color: #fff;
}
.image-preview .preview-title {
  position: relative;
  z-index: 2;
  font-size: 1.6rem;
}
.image-preview button {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  border: 0;
  background-color: #999;
  cursor: pointer;
  z-index: 3;
}
.image-preview button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.image-preview .preview-close {
  top: 2rem;
  right: 1.6rem;
}
.image-preview .preview-close i {
  font-size: 1.5rem;
  color: #fff;
  font-weight: normal;
}
.image-preview .preview-prev,
.image-preview .preview-next {
  top: 50%;
  transform: translateY(-50%);
}
.image-preview .preview-prev i,
.image-preview .preview-next i {
  color: #fff;
  font-size: 0.9rem;
}
.image-preview .preview-prev {
  left: 1.6rem;
}
.image-preview .preview-prev i {
  transform: rotate(180deg);
}
.image-preview .preview-next {
  right: 1.6rem;
}
.image-preview .preview-swiper {
  width: 100%;
  height: calc(100% - 2rem);
  margin-top: 1rem;
}
.image-preview .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}
.image-preview .swiper-slide > img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.image-preview .swiper-button-disabled {
  opacity: 0.35;
  cursor: default;
}
@media screen and (max-width: 768px) {
  .image-preview .preview-panel {
    padding: 1.2rem 3rem 2rem;
  }
  .image-preview .preview-close {
    top: 1rem;
    right: 0.8rem;
  }
  .image-preview .preview-prev {
    left: 0.2rem;
  }
  .image-preview .preview-next {
    right: 0.2rem;
  }
  .main-1 nav {
    gap: 2rem;
    margin-bottom: 2rem;
  }
  .main-1 nav a {
    font-size: 1rem;
  }
  .main-1 .item {
    flex-direction: column;
    margin-bottom: var(--padding);
  }
  .main-1 .item .txt {
    width: 100%;
    padding: 1rem;
  }
  .main-1 .item .txt h6 {
    font-size: 1rem;
  }
  .main-1 .item .txt .des {
    margin-top: 0.5rem;
  }
  .main-1 .item .txt .more-btn {
    margin-top: 1rem;
  }
  .main-2 .title {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
  .main-2 .title h1 {
    font-size: 1.4rem;
  }
  .main-2 .label {
    gap: 1rem;
    margin-bottom: 1rem;
  }
}