.page_banner .head {
  padding-top: 0.9%;
}
.category_main {
  padding: 14.3rem 0 16.7rem;
}
.category_main p {
  max-width: 71.9rem;
  margin: 1.9rem auto 0;
}
.category_main .list {
  margin-top: 8.7rem;
}
.category_main .list ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(35rem, 100%), 1fr));
  gap: 5.1rem 2.68%;
}
.page_quote .btn {
  margin-top: 2.8rem;
}
.page_quote .img {
  --h: 40.856%;
}
.category_applications {
  padding: 14.3rem 0 18.2rem;
}
.category_applications h2 {
  max-width: 62.7rem;
}
.category_applications .flex {
  margin-top: 3.3rem;
}
.category_applications .flex .intro {
  width: 48.6957%;
}
.category_applications .flex .nav {
  flex: 1;
  max-width: 50.7rem;
  width: 100%;
}
.category_applications .category_applications_swiper {
  overflow: hidden;
  border-radius: 2.3rem 2.3rem 0 0;
}
.category_applications .category_applications_swiper .item {
  display: flex;
  flex-direction: column;
  height: 100%;
  align-items: flex-start;
}
.category_applications .category_applications_swiper .img {
  width: 100%;
  border-radius: 2.3rem;
  padding-bottom: 57.5893%;
}
.category_applications .category_applications_swiper .img:hover img {
  transform: scale(1.02);
}
.category_applications .category_applications_swiper .desc {
  width: 100%;
  flex: 1;
}
.category_applications .category_applications_swiper p {
  margin-top: 4.2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.category_applications .category_applications_swiper .btn {
  margin-top: 3.1rem;
  margin-left: 1rem;
  padding: 0 3.9rem;
}
.category_applications .nav_item {
  position: relative;
  display: grid;
  grid-template-columns: 11.83% 1fr 5.72%;
  align-items: center;
  font-size: 3rem;
  font-weight: 500;
  color: #a0aeb5;
  cursor: pointer;
  transition: all 0.3s;
  border-bottom: 1px solid #dbdddd;
  gap: 8.6785%;
  padding: 3rem 0 2.6rem;
  letter-spacing: 0.075rem;
}
.category_applications .nav_item::after {
  width: 0;
  height: 2px;
  position: absolute;
  left: 0;
  bottom: -1px;
  content: '';
  background-color: var(--secondary);
}
.category_applications .nav_item.active {
  color: var(--title);
}
.category_applications .nav_item.active .icon,
.category_applications .nav_item.active i {
  filter: unset;
}
.category_applications .nav_item.active::after {
  width: 100%;
  transition: width 5s linear;
}
.category_applications .nav_item span {
  margin-bottom: 0.9rem;
}
.category_applications .nav_item .icon {
  padding-bottom: 100%;
  transition: all 0.3s;
  filter: contrast(0) brightness(1.3);
}
.category_applications .nav_item i {
  display: block;
  content: '';
  padding-bottom: 100%;
  transition: all 0.3s;
  background: url("../img/arrow-r-b.svg") no-repeat center / contain;
  filter: contrast(0) brightness(1.3);
}
.category_applications .btn_i {
  margin-top: 4.7rem;
}
@media screen and (max-width: 768px) {
  .category_main {
    padding: 50px 0;
  }
  .category_main .list {
    margin-top: 30px;
  }
  .category_main .list ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
    gap: 30px 16px;
  }
  .category_applications {
    padding: 50px 0;
  }
  .category_applications .flex {
    margin-top: 30px;
  }
  .category_applications .category_applications_swiper {
    border-radius: 10px 10px 0 0;
  }
  .category_applications .category_applications_swiper .img {
    border-radius: 10px;
  }
  .category_applications .category_applications_swiper p {
    margin-top: 20px;
  }
  .category_applications .category_applications_swiper .btn {
    margin-top: 20px;
    padding: 0 20px;
    margin-left: 5px;
  }
  .category_applications .nav_item {
    grid-template-columns: 40px 1fr 14px;
    gap: 12px;
    padding: 10px 0;
    letter-spacing: unset;
    font-size: 14px;
  }
  .category_applications .nav_item span {
    margin-bottom: 0;
  }
  .category_applications .btn_i {
    margin-top: 20px;
  }
}
@media screen and (max-width: 576px) {
  .category_applications .flex .intro {
    width: 100%;
  }
}