.section1 {
  padding: 90px 0 0;
  aspect-ratio: 1920 / 557;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

.section1 .layout {
  display: flex;
  justify-content: center;
}

.section1 .title {
  margin: 0;
  font-weight: bold;
  font-size: 50px;
  color: #dd133d;
}

.section1 .desc {
  margin-top: 20px;
  min-width: 360px;
  max-width: 100%;
  font-size: 20px;
  color: #3e3a39;
  line-height: 32px;
}

.section1 .img {
  margin-left: 225px;
}

.section1 .img>img {
  width: 350px;
  aspect-ratio: 1 / 1;
}

.section1 .btn-contact-us {
  margin-top: 30px;
}

.section2 {
  background-color: #f1f1f1;
}

.flex-products {
  display: flex;
}

.section2 .list-title {
  padding: 60px 0;
  font-size: 49px;
  color: #3e3a39;
  text-align: center;
}

.section2 .list {
  padding-bottom: 80px;
  display: flex;
  justify-content: center;
}

.section2 .list .item {
  flex: 0 1 320px;
  padding: 0 50px;
  font-size: 17px;
  color: #3e3a39;
  line-height: 28px;
}

.section2 .list .item:hover {
  color: var(--primary-color);
}

.section2 .list .gap {
  flex-shrink: 0;
  width: 1px;
  border-left: 1px solid var(--primary-color);
}

.section2 .list .gap:last-child {
  display: none;
}

.section3 .list-title {
  margin: 90px 0 0;
  font-size: 49px;
  color: #3e3a39;
  text-align: center;
}

.section3 .list {
  margin: 0 auto;
  width: 1075px;
  padding: 70px 0;
}

.section3 .list .item {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #727171;
  font-size: 23px;
  color: #3e3a39;
  padding: 20px 0;
}

.section3 .list .item:last-child{
  border-bottom: none;
}

.section3 .list .item .label {
  flex: 1;
}

.section3 .list .item .value {
  flex: 1;
}

.section3 .param-pic {
  margin-top: 70px;
}

.section4 {
  --swiper-navigation-color: #000;
  --swiper-navigation-size: 18px;
  padding-bottom: 130px;
}

.section4 .section-title {
  padding: 95px 0;
  font-size: 53px;
  color: #3e3a39;
  text-align: center;
}

.section4 .layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 0 80px;
}

.section4 .swiper {
  position: relative;
  padding: 6px;
}

.section4 .swiper .swiper-slide {
  flex-shrink: 0;
  width: 377px;
  height: 375px;
  aspect-ratio: 377 / 375;
  background-color: #fff;
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
  border-radius: 30px;
}

.section4 .swiper .swiper-slide>a {
  display: block;
  height: 100%;
  position: relative;
}

.section4 .swiper .swiper-slide .img-box {
  height: 256px;
  overflow: hidden;
}

.section4 .swiper .swiper-slide .img {
  margin: 0 auto;
  width: 253px;
  aspect-ratio: 253 / 256;
  transition: all 0.5s ease-in-out;
}

.section4 .swiper .swiper-slide:hover .img {
  transform: scale(1.2);
}

.section4 .swiper .swiper-slide .name {
  padding: 0 15px;
  font-weight: bold;
  font-size: 23px;
  color: #3e3a39;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.section4 .swiper .swiper-slide .name:hover {
  color: var(--primary-color);
}

.section4 .swiper .swiper-slide .icon-next {
  position: absolute;
  width: 38px;
  height: 38px;
  right: 30px;
  bottom: 24px;
  border: 2px solid #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #000;
}

.section4 .swiper .swiper-slide .icon-next::after {
  content: "next";
  font-family: swiper-icons;
  text-transform: none !important;
  letter-spacing: 0;
  font-variant: initial;
  line-height: 1;
}

.section4 .swiper .swiper-slide:hover .icon-next {
  animation: next 0.6s;
  animation-fill-mode: forwards;
}

@keyframes next {
  0% {
    font-size: 18px;
    font-weight: 400;
    color: #000;
    border-color: #000;
  }

  50% {
    font-weight: bold;
    color: #000;
    border-color: #000;
  }

  100% {
    font-weight: bold;
    color: var(--primary-color);
    border-color: var(--primary-color);
  }
}

.section4 .swiper-button-prev,
.section4 .swiper-button-next {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #000;
  border-radius: 50%;
}

.section4 .swiper-button-prev:hover,
.section4 .swiper-button-next:hover {
  --swiper-navigation-color: var(--primary-color);
  border: 2px solid var(--primary-color);
}