.part2, .part3, .part4, .part5{
  height: 85vh;
  padding: 0 var(--main-padding);
}
.part2 h1, .part3 h1, .part4 h1, .part5 h1{
  text-align: center;
  color: var(--main-color-1);
  font-weight: 700;
  font-size: 40px;
  position: relative;
}
.part2 h1::before, .part3 h1::before, .part4 h1::before, .part5 h1::before{
  content: '';
  display: block;
  width: 10%;
  height: 8px;
  background-image: linear-gradient(to right, rgba(255,159,43,0), rgb(255,159,43));;
  border-radius: 4px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%);
}
.part2 h1::after, .part3 h1::after, .part4 h1::after, .part5 h1::after{
  content: '';
  display: block;
  width: 10%;
  height: 8px;
  background-image: linear-gradient(to right, rgb(255,159,43),rgba(255,159,43,0));;
  border-radius: 4px;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(50%, -50%);
}
.part2 .company{
  margin-top: 3vh;
  position: relative;
}
.part2 .company .img-main{
  position: absolute;
  width: 50%;
}
.part2 .company .img-main img{
  width: 90%;
  margin-top: -30px;
}
.part2 .company .home-content{
  display: flex;
  align-items: center;
  height: 50vh;
}
/* .part2 .company .home-content>div:nth-child(1){
  height: 100%;
}
.part2 .company .home-content>div:nth-child(1) .img-main{
  height: 90%;
  margin-top: 5%;
  aspect-ratio: 1;
  background-color: var(--main-color-1);
  border-radius: 16px;
} */
/* .part2 .company .home-content>div:nth-child(1) img{
  width: 90%;
  margin-top: 50%;
  transform: translateY(-50%);
} */
.part2 .company .home-content>div:nth-child(2) .text{
  font-weight: bold;
  font-size: 18px;
  position: relative;
}
.part2 .company .home-content>div:nth-child(2) .text::before{
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 10px;
  background-color: #000;
  position: absolute;
  left: -20px;
  top: 6px;
}
.part2 .company .home-content>div:nth-child(2) .pic{
  margin-top: 3vh;
}
.part2 .company .home-content>div:nth-child(2) .pic img{
  width: 40%;
  border-radius: 8px;
}
.part2 .company .home-content>div:nth-child(2) .pic img:nth-child(2){
  margin-left: 5%;
}
.part2 .content-box{
  width: 50vw;
  height: 13vh;
  background-color: var(--main-color-1);
  margin: 0 auto;
  border-radius: 30px;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
}
.part2 .content-box span{
  text-align: center;
  position: relative;
  cursor: pointer;
  padding: 0 3vw;
  width: calc((100% - 6px)/ 4);
}
.part2 .content-box span.active{
  color: #fff;
}
.part2 .content-box span:not(:first-child)::before{
  content: '';
  display: block;
  width: 2px;
  height: 50px;
  background-color: #fddea3;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(0, -50%);
}
.part2 .company-title{
  margin-top: 5vh;
}
@keyframes changeAnimation {
  from { opacity: 0; }
  to { opacity: 1; }
}
.change-element {
  animation: changeAnimation 1s ease-in-out;
}

.part3 .partCarousel{
  margin-top: 3vh;
}
.part3 .partCarousel .home-content{
  height: 60px;
}
.part3 .partCarousel .home-content>div{
  display: flex;
  justify-content: space-between;
}
.part3 .partCarousel .home-content span{
  width: 150px;
  background-image: url('../image/home/home-title-background.webp');
  background-repeat: no-repeat;
  background-size: 100% auto;
  cursor: pointer;
  text-align: center;
  line-height: 56px;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  transition: transform 0.5s linear;
  white-space: nowrap;
}
.part3 .partCarousel .home-content span.active{
  transform: scale(1.2);
}
.part3 .partCarouselContent .carousel {
  width: 90%;
  position: relative;
  height: 500px;
  overflow: hidden;
  margin: 5vh auto 0;
  padding-top: 100px;
}
.part3 .partCarouselContent .carousel-list {
  width: 100%;
  height: 100%;
  position: relative;
  perspective: 1000px;
}
.part3 .partCarouselContent .carousel-item {
  width: 320px;
  height: 100%;
  position: absolute;
  user-select: none;
  transition: 0.4s;
  left: 50%;
  top: 0;
  margin-left: -160px;
  cursor: pointer;
  background-color: #fad796;
  border-radius: 16px;
}
.part3 .partCarouselContent .arrow {
  position: absolute;
  top: 50%;
  cursor: pointer;
}
.part3 .partCarouselContent .carousel-item img{
  width: 100%;
  position: absolute;
  top: -25%;
}
.part3 .partCarouselContent .carousel-item .content{
  width: 100%;
  position: absolute;
  top: -25%;
  aspect-ratio: 1;
  background-color: rgba(0, 0, 0, 0.65);
  border-radius: 50%;
  padding: 20px;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  display: none;
}
.part3 .partCarouselContent .carousel-item .content div{
  margin-top: 50%;
  transform: translate(-0, -50%);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; /* 限制为两行 */
  overflow: hidden;
}
.part3 .partCarouselContent .carousel-item .title{
  position: absolute;
  top: 65%;
  left: 10%;
  font-size: 24px;
  font-weight: 700;
}
.part3 .partCarouselContent .carousel-item .title div:nth-child(2){
  margin-top: 10px;
  font-size: 18px;
}
.part3 .partCarouselContent .arrow img {
  width: 40px;
}
.part3 .partCarouselContent .prev {
  left: 20px;
}
.part3 .partCarouselContent .next {
  right: 20px;
}

.part4 .introduce{
  margin-top: 3vh;
}
.part4 .introduce .introduct-box{
  height: 60vh;
  border-radius: 48px;
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
}
.part4 .introduce .introduct-box .box-item{
  width: calc(100% / 3);
  height: 30vh;
  padding: 30px;
  position: relative;
}
.part4 .introduce .introduct-box .box-item img{
  width: calc(100% + 60px);
  margin: -30px 0 0 -30px;
}
.part4 .introduce .introduct-box .box-item .box-title{
  font-size: 36px;
  color: #fff;
  letter-spacing: 2px;
}
.part4 .introduce .introduct-box .box-item .box-title::before{
  content: '';
  display: block;
  width: 50px;
  height: 6px;
  border-radius: 3px;
  background-color: #fff;
}
.part4 .introduce .introduct-box .box-item .text{
  color: #fff;
  font-size: 16px;
  letter-spacing: -1px;
}
.part4 .introduce .introduct-box .box-item .add{
  display: flex;
  align-items: center;
  position: absolute;
  left: 30px;
  bottom: 30px;
}
.part4 .introduce .introduct-box .box-item .add span:nth-child(1){
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #fff;
  color: #89b23e;
  display: inline-block;
  text-align: center;
  line-height: 36px;
  font-size: 40px;
  cursor: pointer;
  transition: transform 0.3s linear;
  font-weight: 700;
}
.part4 .introduce .introduct-box .box-item .add span:nth-child(1):hover{
  transform: scale(1.2);
}
.part4 .introduce .introduct-box .box-item .add span:nth-child(2){
  margin-left: 10px;
  color: #fff;
  font-size: 22px;
}
.part4 .introduce .introduct-box .box-item:nth-child(1){
  background-color: #89b23e;
}
.part4 .introduce .introduct-box .box-item:nth-child(3){
  background-color: #f3863e;
}
.part4 .introduce .introduct-box .box-item:nth-child(3) .add span:nth-child(1){
  color: #f3863e;
}
.part4 .introduce .introduct-box .box-item:nth-child(5){
  background-color: #ee9a01;
}
.part4 .introduce .introduct-box .box-item:nth-child(5) .add span:nth-child(1){
  color: #ee9a01;
}

/* 大屏幕 */
@media (min-width: 768px) {
  .part1>.search{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--main-color);
    z-index: 100;
    margin: 0;
  }
  .part1>.title{
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    z-index: 99;
    margin: 0;
  }
  .part1>.product{
    margin-top: -68px;
  }
  .part1>.product .home-content{
    min-width: 100%;
  }
  .part1>.product .home-content>div{
    padding-left: 0;
    padding-right: 0;
  }
  .part2 .content-box{
    min-width: 960px;
  }
}
/* 小屏幕 */
@media (max-width: 768px) {
  .part2 h1, .part3 h1, .part4 h1, .part5 h1{
    font-size: 20px;
    margin: 30px 0;
  }
  .part2 .company,.part4 .introduce{
    margin-top: 0;
  }
  .part2 h1::before, .part3 h1::before, .part4 h1::before, .part5 h1::before{
    width: 12%;
    left: 5%;
  }
  .part2 h1::after, .part3 h1::after, .part4 h1::after, .part5 h1::after{
    width: 12%;
    right: 5%;
  }
  .part2 .company .home-content{
    align-items: flex-start;
    height: 410px;
  }
  .part2 .company .home-content>div{
    width: 100%;
  }
  .part2 .company .home-content>div:nth-child(1){
    display: none;
  }
  .part2 .company .home-content>div:nth-child(2) .text{
    margin-left: 20px;
    font-size: 16px;
  }
  .part2 .company .home-content>div:nth-child(2) .pic{
    display: flex;
    justify-content: space-between;
  }
  .part2 .company-title{
    /*margin-top: 15vh;*/
    /*margin-top: 100px;*/
  }
  .part2 .content-box{
    width: calc(100vw - 40px);
    font-size: 10px;
    /*height: 10vh;*/
    height: 85px;
  }
  .part2 .content-box span:not(:first-child)::before{
    height: 30px;
  }
  .part3 .partCarousel{
    display: none;
  }
  .part3 .partCarouselContent .carousel {
    height: 50vw;
  }
  .part3 .partCarouselContent .carousel-item{
    width: 28vw;
    margin-left: -14vw;
  }
  .part3 .partCarouselContent .carousel{
    padding-top: 40px;
    margin: 0 auto;
  }
  .part3 .partCarouselContent .arrow img{
    width: 14px;
  }
  .part3 .partCarouselContent .prev {
    left: 5px;
  }
  .part3 .partCarouselContent .next {
    right: 5px;
  }
  .part3 .partCarouselContent .carousel-item .title{
    font-size: 12px;
    top: 50%;
    transform: scale(0.7);
    width: 100%;
    left: 0;
  }
  .part3 .partCarouselContent .carousel-item .title div:nth-child(2){
    display: none;
  }
  .part2{
    height: 640px;
  }
  .part3{
    height: 290px;
  }
  .part4 .introduce .introduct-box{
    border-radius: 24px;
    height: 450px;
  }
  .part4 .introduce .introduct-box .box-item{
    width: 50%;
    height: 150px;
    padding: 15px;
  }
  .part4 .introduce .introduct-box .box-item img{
    height: calc(100% + 30px);
    margin: -15px 0 0 -15px;
  }
  .part4 .introduce .introduct-box .box-item:nth-child(6) img{
    width: calc(100% + 30px);
    height: auto;
    margin-top: 50%;
    transform: translate(0, -50%);
  }
  .part4 .introduce .introduct-box .box-item .box-title{
    font-size: 24px;
  }
  .part4 .introduce .introduct-box .box-item .box-title::before{
    width: 32px;
    height: 4px;
    border-radius: 2px;
  }
  .part4 .introduce .introduct-box .box-item .text{
    font-size: 0.85rem;
  }
  .part4 .introduce .introduct-box .box-item .add{
    display: none;
  }
  .part4{
    height: 560px;
  }
  .part2 .company .img-main{
    display: none;
  }
}