.banner {
  width: 100%;
  height: auto;
}

.banner .swiper {
  position: relative;
  width: 100%;
}

.banner .swiper .swiper-wrapper{
  width: 100%;
  height: auto;
  position: relative;
}

.banner .swiper .swiper-slide{
  position: relative;
  overflow: hidden;
  z-index: 50;
}

.banner .swiper .swiper-slide img {
  width: 100%;
  height: auto;
  object-fit: contain;
  z-index: 4;
  transition: all 1.4s ease;
  -webkit-transform: scale(1.1) !important;
  transform: scale(1.1) !important;
}
.banner .swiper .swiper-slide-active img {
  opacity: 1;
  z-index: 21;
  transition: all 1.2s ease 0.5s;
  -webkit-transform: scale(1) !important;
  transform: scale(1) !important;
}

.banner .swiper .swiper-wrapper .swiper-slide .banner-content {
  position: absolute;
  top: 10%;
  left: 10%;
  right: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 130px;
}

.banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-title {
  width: 100%;
  height: 47px;
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 500;
  font-size: 34px;
  color: #FFFFFF;
  margin-bottom: 2%;
}

.banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-desc {
  width: 100%;
  height: 33px;
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 24px;
  color: #FFFFFF;
  margin-bottom: 4%;
}

.banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-btn a {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 16px;
  color: #FFFFFF;
  padding: 15px 30px;
  border:2px solid #009ED6;
  background-color: #009ED6;
  border-radius: 12px;
  margin-right: 27px;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: 0.5s;
  margin-top: 120px;
}

.banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-btn a:hover {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 500;
  font-size: 16px;
  color: #009ED6;
  background-color: transparent;
  border-radius: 12px;
  margin-right: 27px;
  cursor: pointer;
}

.banner .swiper .banner-scroll {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 250px;
  height: 210px;
  background: #FFFFFF;
  clip-path: polygon(100% 100%, 100% 0, 0 100%);
  z-index: 10;
}

.banner .swiper .banner-scroll .scroll-down {
  height: 16px;
  width: 116px;
  margin-top: 117px;
  margin-left: 125px;
}

.banner .swiper .banner-scroll .scroll-down img {
  height: 80%;
  width: 80%;
}

.banner .swiper .banner-scroll .scroll{
  height: 16px;
  width: 116px;
  margin-top: 14px;
  margin-left: 160px;
}

.banner .swiper .banner-scroll .scroll .scroll-line {
  width: 20px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid #8E8E8E;
  z-index: 20;
  position: relative;
}
.banner .swiper .banner-scroll .scroll .scroll-line .scroll-line-p {
  position: absolute;
  top: 10px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: 2px;
  height: 7px;
  background: #8E8E8E;
  border-radius: 10px;
  animation: scroll infinite 1.2s;
}
@keyframes scroll {
  0% {
    top: 10px;
  }
  50% {
    top: 20px;
  }
  100% {
    top: 10px;
  }
}


.product {
  background: linear-gradient(180deg, #FFFFFF 0%, #F1F1F1 100%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product .product-top {
  width: 80%;
  margin: 0 auto;
  max-width: 1440px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  margin-top: 75px;
  margin-bottom: 50px;
}

.product .product-top .product-top-title {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 28px;
  color: #999999;
  line-height: 35px;
}

.product .product-top .product-top-desc {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 17px;
  color: #666666;
  line-height: 30px;
}

.product .product-middle {
    width: 95%;
  margin: 0 auto;
  max-width: 1440px;
  display: flex;
  flex-direction: row;
justify-content: space-between;
margin-bottom: 20px;
}
.product .product-middle .product-middle-left{
  width: 20%;
}
.product .product-middle .product-middle-list {
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.product .product-middle .product-middle-list .product-middle-item {
  width: 230px;
  background: #FFFFFF;
  border-radius: 20px 20px 20px 20px;
  border: 2px solid #E0E0E0;
  padding: 18px 22px;
  display: flex;
  flex-direction: row;
  align-items: center;
  transition: 0.5s;
  cursor: pointer;
}

.product .product-middle .product-middle-list li:nth-child(even) .product-middle-img {
  background: rgba(254, 112, 108, 0.08);
  margin-right:16px;
}

.product .product-middle .product-middle-list li:nth-child(odd) .product-middle-img {
  background: rgba(0, 158, 214, 0.08);
  margin-right:16px;
}
.product .product-middle .product-middle-list .product-middle-item .product-middle-img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product .product-middle .product-middle-list .product-middle-item .product-middle-img img {
  width: 33px;
  height: 33px;
  object-fit: scale-down;
  transform: rotateY(0deg);
  transition: 0.5s;
}

.product .product-middle .product-middle-list .product-middle-item .product-middle-img:hover svg {
  transform: rotateY(360deg);
}

.product .product-middle .product-middle-list .product-middle-item .product-middle-item-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  margin-left: 0;
  flex: 1;
  min-width: 0;
}

.product .product-middle .product-middle-list .product-middle-item .product-middle-item-content .product-middle-item-title {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 500;
  font-size: 16px;
  color: #2B2828;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
}

.product .product-middle .product-middle-list .product-middle-item .product-middle-item-content .product-middle-item-desc {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 13px;
  color: #999999;
}

.product .product-middle .product-middle-list .product-middle-item-active {
  background: linear-gradient(153deg, rgba(0, 158, 214, 0.08) 0%, rgba(0, 158, 214, 0.02) 100%);
  box-shadow: 0px 4px 6px -4px rgba(0, 0, 0, 0.1), 0px 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-radius: 20px 20px 20px 20px;
  border: 2px solid #009ED6;
  padding: 18px 22px;
  position: relative;
  justify-content: center;
  display: flex;
  justify-content: space-evenly;
}
.product .product-middle .product-middle-list .product-middle-item:hover {
  background: linear-gradient(153deg, rgba(0, 158, 214, 0.08) 0%, rgba(0, 158, 214, 0.02) 100%);
  box-shadow: 0px 4px 6px -4px rgba(0, 0, 0, 0.1), 0px 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-radius: 20px 20px 20px 20px;
  border: 2px solid #009ED6;
  padding: 18px 22px;
  position: relative;
}
.product .product-middle .product-middle-list .product-middle-item-active .product-middle-img {
  width: 58px;
  height: 58px;
  opacity: 1;
  border-radius: 14px 14px 14px 14px;
  background: #009ED6 !important;
  transform: rotate(6deg);
  transition: 0.5s;
}

.product .product-middle .product-middle-list .product-middle-item-active .product-middle-img img{
  width: 36px;
  height: 36px;
}

.product .product-middle .product-middle-list .product-middle-item-active  svg{
  width: 30px;
  height: 30px;
  fill: none;
  stroke: #fff;
}

.product .product-middle .product-middle-list .product-middle-item-active .product-middle-item-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product .product-middle .product-middle-list .product-middle-item-active .product-middle-item-content .product-middle-item-title {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 500;
  font-size: 16px;
  color: #009ED6;
}

.product .product-middle .product-middle-list .product-middle-item-active .product-middle-item-content .product-middle-item-desc {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 13px;
  color: #999999;
}

.product .product-middle .product-middle-list .product-middle-item-active .product-middle-dot {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 8px;
  height: 8px;
  background-color: #009ED6;
  border-radius: 50%;
}

.product .product-middle .product-middle-list .product-middle-item-line {
  width: 34px;
  height: 4px;
  background-color: #009ED6;
  border-radius: 2px;
  margin: 2px auto 0;
  display: none;
}
.product .product-middle .product-middle-list .product-middle-item-active+.product-middle-item-line {
  display: block;
}




.product .product-middle .product-middle-right{
  width: 78%;
}
.product .product-middle-right .product-middle-right-top{
  margin-bottom: 45px;
}
.product .product-middle-right .product-middle-right-top ul{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
    justify-items: center;
}

.product .product-middle-right .product-middle-right-top .product-middle-item {
  height: 440px;
  display: flex;
  list-style-type: none;
  height: 100%;
  cursor: pointer;
  flex-direction: column;
  width: 339px;
}
.product .product-middle-right .product-middle-right-top .product-middle-item a{
  height: 440px;
  display: flex;
  list-style-type: none;
  height: 100%;
  cursor: pointer;
  flex-direction: column;
}

.product .product-middle-right .product-middle-right-top .product-middle-item-top-background {
  width: 100%;
  height: 100%;
  position: relative;
  display: block;
}

.product .product-middle-right .product-middle-right-top .product-middle-item-top-background img {
  width: 100%;
  height: 100%;
}

.product .product-middle-right .product-middle-right-top .product-middle-item-top-background .product-middle-item-top-img {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  margin-top: 25px;
}

.product .product-middle-right .product-middle-right-top .product-middle-item-top-background .product-middle-item-top-img img {
  width: 70%;
  height: 70%;
  object-fit: contain;
  transform: scale(1);
  transition: 0.5s;
}
.product .product-middle-right .product-middle-right-top .product-middle-item-top-background .product-middle-item-top-img:hover img {
  transform: scale(1.1);
}

.product .product-middle-right .product-middle-right-top .product-middle-item-top-background .product-middle-item-top-img span {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 500;
  font-size: 18px;
  color: #FFFFFF;

}

.product .product-middle-right .product-middle-item-bottom {
  
  border-radius: 0px 0px 16px 16px;
  background: #FFFFFF;
  box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: self-start;
  width: 80%;
  margin: 0 auto;
  margin-top: 30px;
  gap: 16px
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-title {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 15px;
  color: #666666;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-desc-item {
  background: #F0F8FF;
  border-radius: 16px 16px 16px 16px;
  word-wrap: break-word;
  white-space: normal;
  padding: 2px 6px;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-desc {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-desc span {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 400;
  font-size: 13px;
  color: #009ED6;
  padding: 5px 12px;
}
.product .product-middle-right .product-middle-item-bottom  .product-middle-item-bottom-button {
  width: 100%;
  background: #009ED6;
  border-radius: 8px 8px 8px 8px;
  padding: 12px 0;
  margin-bottom: 30px;
  cursor: pointer;
  text-align:center;
}

.product .product-middle-right .product-middle-item-bottom  .product-middle-item-bottom-button span {
  font-family: Alibaba PuHuiTi, Alibaba PuHuiTi;
  font-weight: 500;
  font-size: 16px;
  color: #FFFFFF;
}

.product .product-middle-right .product-middle-right-top li:nth-child(even) .product-middle-item-bottom-desc span {
  color: #FE706C;
}

.product .product-middle-right .product-middle-right-top li:nth-child(even) .product-middle-item-bottom-button {
  background: #FE706C;
}

.product .product-middle-right .product-middle-right-bottom{
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 62px;
  margin-bottom: 100px;
}

.product .product-middle-right .product-middle-right-top .product-middle-item {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* 2. 链接也使用 Flex 列布局，并占满父容器 */
.product .product-middle-right .product-middle-right-top .product-middle-item a {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none; 
}

.product .product-middle-right .product-middle-right-top .product-middle-item-top {
  flex-shrink: 0;
  border-radius: 16px 16px 0 0;
  overflow: hidden;
}

.product .product-middle-right .product-middle-item-bottom {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border-radius: 0 0 16px 16px;
  box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 80%;
  margin: 30px auto 0;
  gap: 16px;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-desc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 60px; 
  overflow: hidden;
}

.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-button {
  margin-top: auto;
  width: 100%;
  background: #009ED6;
  border-radius: 8px;
  padding: 12px 0;
  text-align: center;
  flex-shrink: 0;
}

.product .product-middle-right .product-middle-right-top li:nth-child(even) .product-middle-item-bottom-button {
  background: #FE706C;
}
.product .product-middle-right .product-middle-page{
  display: flex;
  flex-direction: row;
  gap: 60px;
}
.product .product-middle-right .product-middle-page .num{
  font-family: DIN, DIN;
  font-weight: 400;
  font-size: 40px;
  color: #000000;
}
.product .product-middle-right .product-middle-page .num-active{
  font-family: DIN, DIN;
  font-weight: bold;
  font-size: 40px;
  color: #009ED6;
  border-bottom: 4px solid;
}
.product .product-middle-right .product-middle-page .omit{
  font-family: DIN, DIN;
  font-weight: 400;
  font-size: 40px;
  color: #000000;
}

.product .product-middle-right .product-middle-prev {
  width: 62px;
  height: 62px;
  background: #FE706C;
  border-radius: 66px 66px 66px 66px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product .product-middle-right .product-middle-prev img {
  width: 30px;
  height: auto;
  display: block;
  object-fit: scale-down;
  transform: rotateY(0deg);
  transition: 0.5s;
}

.product .product-middle-right .product-middle-prev:hover img {
  transform: rotateY(360deg);
}


.product .product-middle-right .product-middle-next {
  width: 62px;
  height: 62px;
  background: #FE706C;
  border-radius: 66px 66px 66px 66px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product .product-middle-right .product-middle-next img {
  width: 30px;
  height: auto;
  transform: scaleX(-1);
  display: block;
  object-fit: scale-down;
  transition: 0.5s;
}

.product .product-middle-right .product-middle-next:hover img {
  transform: scaleX(-1) rotateY(360deg); 
}


@media only screen and (max-width: 1440px) {
  .product .product-middle-right .product-middle-right-top ul{
    grid-template-columns: repeat(2, 1fr);
  }
  .product .product-middle {
    width: 80%;
  justify-content: space-evenly;
}
  .product .product-middle .product-middle-right {
    width: 65%;
  }
  .product .product-middle .product-middle-left {
    width: 25%;
}
}
@media only screen and (max-width: 1280px) {
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content {
    padding-top: 80px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-title {
    font-size: 30px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-desc{
    font-size: 20px;
  }
  .banner .swiper .banner-scroll {
    width: 211px;
    height: 178px;
  }
  .banner .swiper .banner-scroll .scroll-down {
    margin-top: 98px;
    margin-left: 103px;
  }
  .banner .swiper .banner-scroll .scroll{
    margin-top: 14px;
    margin-left: 140px;
  }
}
@media only screen and (max-width: 1100px) {
.product .product-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    margin-top: 50px;
    margin-bottom: 50px;
}
  .product .product-middle-right .product-middle-right-top ul{
    grid-template-columns: repeat(2, 1fr);
  }
  .product .product-middle .product-middle-left {
    width: 29%;
  }
  .product .product-middle .product-middle-right {
    width: 41%;
  }
  .product .product-middle {
    flex-direction: column;
    gap: 20px;
}
.product .product-middle .product-middle-left {
  width: 100%;
  overflow-x: scroll;
  padding-bottom: 10px;
  }
.product .product-middle .product-middle-list {
    flex-direction: row;
}
.product .product-middle .product-middle-list .product-middle-item{
  width: fit-content;
}
.product .product-middle .product-middle-list .product-middle-item .product-middle-item-content {
  min-width: 0; 
  flex: 1;
}
.product .product-middle .product-middle-list .product-middle-item .product-middle-item-content {
  min-width: 0;
  flex: 1;
}
.product .product-middle .product-middle-list .product-middle-item {
  box-sizing: border-box;
  min-width: 230px; 
}
.product .product-middle .product-middle-list .product-middle-item .product-middle-item-content .product-middle-item-title {
  word-break:break-all;
  overflow-wrap: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product .product-middle .product-middle-right {
    width: 100%;
}
}
@media only screen and (max-width: 1025px) {
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-title {
    font-size: 24px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-desc{
    font-size: 18px;
  }
  .banner-content-btn{
    display: none;
  }
  .banner .swiper .banner-scroll {
    display: none;
  }
}
@media only screen and (max-width: 900px) {
.product .product-top .product-top-title {
    font-size: 24px;
}
.product .product-top .product-top-desc {
    font-size: 15px;
    line-height: normal;
}
  .product .product-top {
    width: 85%;
    gap: 5px;
}
.product .product-middle {
  width: 85%;
}
}
@media only screen and (max-width: 821px) {
  .product .product-middle-right .product-middle-right-top ul{
    grid-template-columns: repeat(1, 1fr);
  }
  .product .product-middle-right .product-middle-right-top .product-middle-item {
    margin-bottom: 15px;
  }
}
@media only screen and (max-width: 768px) {
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content {
    padding-top: 60px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-title {
    font-size: 20px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-desc{
    font-size: 16px;
  }
  .product .product-top {
    margin-top: 30px;
    margin-bottom: 30px;
}
}

@media only screen and (max-width: 641px) {
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content {
    padding-top: 60px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .swiper-pagination .banner-pages-item .banner-pages-one-active {
    width: 28px;
    height: 6px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .swiper-pagination .banner-pages-item .banner-pages-one {
    width: 22px;
    height: 3px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .swiper-pagination .banner-pages-num {
    font-size: 14px;
  }
  .banner .swiper .swiper-wrapper .swiper-slide .banner-content .banner-content-title {
    font-size: 18px;
  }
  .product .product-top {
    width: 85%;
}
  .product .product-top .product-top-title {
    font-size: 20px;
  }
}
@media only screen and (max-width: 431px) {
  .product .product-middle-right .product-middle-right-top .product-middle-item {
    width: 90%;
  }
.product .product-middle-right .product-middle-item-bottom .product-middle-item-bottom-desc {
    flex-wrap: wrap;
}
.product .product-middle-right .product-middle-item-bottom {
    height: auto;
}
}