#fp-nav {
  top: 36%;
}
#fp-nav > ul {
  height: 258px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
#fp-nav > ul > li > a span {
  width: 8px;
  height: 8px;
  background-color: #ffffff !important;
}
#fp-nav ul li a.active span,
.fp-slidesNav ul li a.active span,
#fp-nav ul li:hover a.active span,
.fp-slidesNav ul li:hover a.active span {
  width: 8px !important;
  height: 8px !important;
  margin: 0 !important;
}
#fp-nav ul li a span {
  margin: 0 !important;
}
#fp-nav ul li a.active span {
  background-color: #ff6000 !important;
}
#fp-nav ul li a.active::before {
  content: "";
  position: absolute;
  top: 5%;
  left: 30%;
  transform: translate(-32%, -33%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #ff6000;
  background-color: transparent;
}
#fullPage > div:nth-child(1) {
  position: relative;
  height: 100vh;
}
.section {
  overflow: hidden;
}
#fullPage > .section:nth-child(5) {
  background-color: unset !important;
  position: relative;
  height: 100vh;
}
@keyframes nextButton {
  0% {
    bottom: 7%;
  }
  50% {
    bottom: 8.962%;
  }
  100% {
    bottom: 7%;
  }
}
#nextButton {
  width: 20px;
  height: 20px;
  position: absolute;
  z-index: 20;
  bottom: 7.962%;
  left: 0;
  right: 0;
  margin: auto;
  animation: nextButton 3s ease-in-out infinite;
}
.dingbu {
  position: fixed;
  bottom: 7.12%;
  right: 3.177%;
  z-index: 999;
  animation: nextButton 3s ease-in-out infinite;
}
/* banner */
.banner {
  width: 100%;
  height: 100vh;
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
}
.banner .swiper-button-next:after,
.swiper-button-prev:after {
  display: none;
}
.banner .swiper-button-next {
  right: 72px;
}
.banner .swiper-button-prev {
  left: 72px;
}
.banner .swiper-slide {
  overflow: hidden;
}
.banner .swiper-slide img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.banner .swiper-slide .swiper-text {
  position: absolute;
  top: 39%;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}
.banner .swiper-number {
  position: absolute;
  bottom: 10%;
  z-index: 15;
  left: 8.3333333%;
  color: #ffffff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.banner .swiper-number span {
  margin: 0 10px;
}
/* 定义自定义动画 */
@keyframes slideIn1 {
  0% {
    width: 0;
  }
  100% {
    width: 80px;
  }
}
@keyframes slideIn2 {
  0% {
    width: 0;
  }
  100% {
    width: 67px;
  }
}
.banner > .swiper > .swiper-wrapper > .swiper-slide > .swiper-number > div {
  display: block;
  width: 80px;
  height: 2px;
  animation: slideIn1 0.5s linear;
}
.banner
  > .swiper
  > .swiper-wrapper
  > .swiper-slide
  > .swiper-number
  > div
  > div {
  display: block;
  width: 67px;
  height: 2px;
  background-color: #ffffff;
  animation: slideIn2 3s linear;
}
.banner .swiper-slide .swiper-text p {
  font-size: 50px;
  color: #ffffff;
}
.banner .swiper-slide .swiper-text p:first-child {
  margin-bottom: 52px;
}
.banner .swiper-slide .swiper-text i {
  display: block;
  font-style: normal;
  font-family: "Medium", sans-serif;
  font-weight: 500;
  font-size: 26px;
  color: #d0deea;
  line-height: 34px;
}
.banner .swiper-slide .swiper-text i:nth-child(3) {
  margin-top: 49px;
}

/* section two */
#fullPage > div:nth-child(2) {
  background: url(/static/image/index/setion-two.jpg) no-repeat;
  background-size: 100% 100%;
}
.solution {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.solution .solution-left {
  width: 26.25%;
  margin-top: -320px;
}
.solution .solution-left p {
  font-family: "Medium", sans-serif;
  font-size: 45px;
  color: #000000;
  line-height: 63px;
}
.solution .solution-left i {
  font-size: 16px;
  color: #1d1d1f;
  line-height: 30px;
  font-style: normal;
  margin: 35px 0 52px 0;
  display: inline-block;
}
.solution .solution-left a {
  width: 179px;
  height: 49px;
  border-radius: 25px;
  border: 1px solid #2f318b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #2f318b;
}
.solution .solution-right {
  width: 60%;
  height: 100vh;
  overflow-y: auto; /* 仅垂直滚动 */
}
.solution-right::-webkit-scrollbar {
  display: none; /* 隐藏滚动条 */
}
.solution-right .solution-right-boiler:nth-child(1) {
  background: url(/static/image/index/steam-system.jpg) no-repeat;
  background-size: 100% 100%;
}
.solution-right .solution-right-boiler:nth-child(2) {
  background: url(/static/image/index/gassystem.jpg) no-repeat;
  background-size: 100% 100%;
  margin-top: 23px;
}
.solution-right .solution-right-boiler:nth-child(3) {
  background: url(/static/image/index/peijian-system.jpg) no-repeat;
  background-size: 100% 100%;
  margin: 23px 0 63px 0;
}
.solution-right .solution-right-boiler {
  width: 100%;
  height: 341px;
  margin-top: 63px;
  background: #eeeeee;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.solution-right .solution-right-boiler div {
  width: 410px;
  margin-left: 74px;
}
.solution-right .solution-right-boiler div span {
  font-family: "Medium", sans-serif;
  font-size: 26px;
  color: #ffffff;
}
.solution-right .solution-right-boiler div p {
  font-size: 16px;
  color: #ffffff;
  line-height: 26px;
  display: inline-block;
  margin: 10px 0 27px 0;
}
.solution-right .solution-right-boiler div a {
  width: 179px;
  height: 49px;
  background: #ffffff;
  border-radius: 25px;
  font-size: 18px;
  color: #054ba1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-right .solution-right-boiler div .blue-1::after {
  content: "";
  display: block;
  width: 6px;
  height: 9px;
  background: url(/static/image/index/blue-right.png) no-repeat;
  background-size: 100% 100%;
  margin-left: 16px;
}
.solution-right .solution-right-boiler div .blue-2::after {
  content: "";
  display: block;
  width: 6px;
  height: 9px;
  background: url(/static/image/index/blue-right1.png) no-repeat;
  background-size: 100% 100%;
  margin-left: 16px;
}
/* section three */
#fullPage > div:nth-child(3) {
  background: url(/static/image/index/three.jpg) no-repeat;
  background-size: 100% 101%;
  height: 100vh;
}
.system {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: 70px;
}
.system > b {
  font-family: "Medium", sans-serif;
  font-size: 45px;
  color: #ffffff;
  text-align: center;
  margin: 0 auto 50px;
}
.boiler-system .boiler-system-title {
  display: flex;
  justify-content: center;
  align-items: center;
}
.boiler-system .boiler-system-title div {
  font-size: 16px;
  color: #ffffff;
  font-style: normal;
  cursor: pointer;
  padding-bottom: 4px;
  border-bottom: 2px solid rgba(0, 0, 0, 0);
}
.boiler-system .boiler-system-title span {
  display: inline-block;
  width: 1px;
  height: 20px;
  background: #ffffff;
  margin: 0 23px;
}
.boiler-system .boiler-system-title .system-title-active {
  font-weight: bold;
  border-bottom: 2px solid #ff6000;
}
.boiler-system-swiper {
  max-width: 100%;
  position: relative;
}
.boiler-system-swiper > div {
  width: 100%;
  position: absolute;
  top: 0;
  z-index: 20;
  display: none;
}
.boiler-system-swiper .swiper-block {
  display: block;
}
.boiler-system-swiper > div > .swiper > .swiper-button-next:after,
.swiper-button-prev:after {
  display: none;
}
.boiler-system-swiper > div > .swiper > .swiper-button-next,
.boiler-system-swiper .swiper-button-prev {
  width: 49px;
  height: 49px;
  background: rgba(55, 65, 69, 0.3) !important;
}
.boiler-system-swiper > div > .swiper > .swiper-button-next {
  position: absolute;
  right: 25.41%;
}
.boiler-system-swiper > div > .swiper > .swiper-button-prev {
  position: absolute;
  left: 25.41%;
  transform: rotateY(180deg);
}
.boiler-system-swiper
  > div:last-child
  > .swiper
  > .swiper-wrapper
  > .swiper-slide {
  transition: 0.3s linear;
}

.boiler-system-swiper > div > .append-buttons {
  width: auto;
  text-align: center;
  margin: 30px 0 93px 0;
}

.boiler-system-swiper > div > .append-buttons a {
  font-size: 14px;
  color: #c7c7c7;
  margin: 0 25px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(0, 0, 0, 0);
}
.boiler-system-swiper > div > .append-buttons .slide-style {
  border-bottom: 1px solid #ff6000;
}
#fullPage > div:nth-child(3) .fp-tableCell {
  vertical-align: initial;
}
.system > a {
  width: 315px;
  height: 41px;
  border-radius: 21px;
  border: 1px solid #ffffff;
  font-size: 16px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  bottom: 12.5%;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 30;
}
/* section three */
#fullPage > div:nth-child(4) {
  background: url(/static/image/index/setion-four.jpg) no-repeat;
  background-size: 100% 101%;
}
#fullPage > div:nth-child(4) .fp-tableCell {
  vertical-align: initial;
}
.major b {
  width: 380px;
  display: block;
  font-family: "Medium", sans-serif;
  font-size: 45px;
  color: #000000;
  margin: 58px auto 64px;
}
.major .major-four {
  width: 75%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
}
.major .major-four > div {
  width: 21.75%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.major .major-four > div > span {
  width: 100%;
  height: 1px;
  background-color: #eeeeee;
  display: inline-block;
  margin: 38px 0 33px 0;
}
.major .major-four > div > p {
  font-size: 14px;
  color: #3e3e3e;
}
.major .major-four > div > p:last-child {
  margin-top: 10px;
}
.major .major-pic {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 58px;
}
.major .major-pic div span {
  font-family: "Medium", sans-serif;
  font-size: 16px;
  color: #1e1e1e;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  margin-top: 12px;
}
.major .major-pic div span i {
  display: inline-block;
  width: 3px;
  height: 18px;
  background: linear-gradient(90deg, #078f22, #06bc2a);
  margin-right: 12px;
}
/* section six */
#fullPage > div:nth-child(6) {
  background: #ffffff !important;
}
#fullPage > div:nth-child(6) .fp-tableCell {
  vertical-align: initial;
}
.supplier > b {
  width: 100%;
  display: inline-block;
  font-family: "Medium", sans-serif;
  font-size: 45px;
  color: #000000;
  text-align: center;
  margin: 56px 0 38px 0;
}
.supplier .supplier-pic {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.supplier .supplier-pic .supplier-pic-left {
  width: 49.4375%;
  height: 733px;
  position: relative;
  /* background-color: #e2eaf4; */
}
.supplier .supplier-pic .supplier-pic-left img {
  width: 100%;
  transition: all 0.4s ease;
}
.supplier .supplier-pic .supplier-pic-left:hover img {
  transform: scale(0.95);
}
.supplier .supplier-pic .supplier-pic-left > div {
  height: 60px;
  position: absolute;
  left: 6.07%;
  bottom: 5.54%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  transition: all 0.4s ease;
}
.supplier .supplier-pic .supplier-pic-left:hover div {
  left: 8.07%;
  bottom: 7.54%;
}
.supplier .supplier-pic .supplier-pic-left > div span {
  font-size: 16px;
  color: #ffffff;
}
.supplier .supplier-pic .supplier-pic-left > div a {
  font-size: 27px;
  color: #ffffff;
  position: relative;
}
.supplier .supplier-pic .supplier-pic-left > div a::after {
  content: "";
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url(/static/image/index/left.png) no-repeat;
  position: absolute;
  top: 0;
  right: -30px;
}
.supplier .supplier-pic .supplier-pic-right {
  width: 49.4375%;
  height: 733px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.supplier .supplier-pic .supplier-pic-right > div {
  width: 100%;
  height: 360px;
  position: relative;
  /* background-color: #e2eaf4; */
}
.supplier .supplier-pic .supplier-pic-right > div img {
  width: 100%;
  transition: all 0.4s ease;
}
.supplier .supplier-pic .supplier-pic-right > div:hover img {
  transform: scale(0.95);
}
.supplier .supplier-pic .supplier-pic-right > div > div {
  height: 60px;
  position: absolute;
  left: 5.8%;
  bottom: 11.6%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  transition: all 0.4s ease;
}
.supplier .supplier-pic .supplier-pic-right > div:hover div {
  left: 6.8%;
  bottom: 12.6%;
}
.supplier .supplier-pic .supplier-pic-right > div > div > span {
  font-size: 16px;
  color: #ffffff;
}
.supplier .supplier-pic .supplier-pic-right > div > div > a {
  font-size: 27px;
  color: #ffffff;
  position: relative;
}
.supplier .supplier-pic .supplier-pic-right > div > div > a::after {
  content: "";
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url(/static/image/index/left.png) no-repeat;
  position: absolute;
  top: 0;
  right: -30px;
}

/* section qi */
#fullPage > div:nth-child(7) {
  background: #000 !important;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
#fullPage > div:nth-child(7) .fp-tableCell {
  vertical-align: initial;
}
@keyframes circle {
  0% {
    transform: scale(0);
    opacity: 0.5;
    filter: blur(32px);
  }
  50% {
    transform: scale(1.5);
    opacity: 1;
    filter: blur(32px);
  }
  75% {
    transform: scale(2.5);
    opacity: 0;
    filter: blur(0px);
  }
  100% {
    transform: scale(3.5);
    opacity: 0;
    filter: blur(0px);
  }
}
.module1::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 800px;
  height: 800px;
  margin: auto;
  border-radius: 999rem;
  background-image: radial-gradient(
    circle at 50% 50%,
    transparent,
    #084c0e 40%,
    rgb(26, 112, 50) 50%,
    #0a3e0e 60%,
    transparent
  );
  animation: 2.5s linear infinite circle;
}
.module1::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background-image: linear-gradient(
    black,
    transparent 20%,
    transparent 80%,
    black
  );
}
.economy1 {
  width: 100%;
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.economy1 > .economy-text {
  width: 80%;
  height: 30px;
  text-align: center;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 20;
  font-size: 120px;
  letter-spacing: 2px;
  transition-duration: 0.6s;
  transition-timing-function: ease-in-out;
  color: #001c06;
  -webkit-text-stroke: 1px #078f22;
  background-attachment: fixed !important;
}
.economy2 {
  width: 100%;
  height: 100vh;
  /* background-color: #000; */
  position: relative;
  top: 0;
  left: 0;
  z-index: 22;
  /* opacity: 0; */
  transition: 3s linear;
}
.economy2 > span {
  display: block;
  position: absolute;
  /* opacity: 0; */
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 28;
}
.economy2 > div {
  width: 100%;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  z-index: 30;
  /* transition: 3s ease-in-out 1s; */
  transition: 1s linear;
}
.economy2 > div > p {
  font-family: "Medium", sans-serif;
  font-size: 30px;
  color: #67cf7c;
  margin-top: 38px;
}
.economy2 > div > span {
  display: flex;
  align-items: flex-end;
}
.economy2 > div > span > i {
  height: 30px;
  font-size: 30px;
  color: #078f22;
  font-style: normal;
  margin-left: 10px;
}
.economy2 > p {
  width: 100%;
  height: 100vh;
  background-color: rgba(7, 143, 34, 0);
  /* background-color: rgba(255, 255, 255, 0); */
  position: absolute;
  top: 0;
  left: 0;
  z-index: 33;
  transition: 0.3s linear;
}

.economy2 > p > img {
  width: 100%;
  transform: scale(30);
  /* margin-left: -50%; */
  opacity: 0;
  transition: 0.3s linear;
}
/* section eight */
#fullPage > div:nth-child(8) {
  background: url(/static/image/index/bg-eight.jpg) no-repeat;
  background-size: 100% 100%;
}
#fullPage > div:nth-child(8) .fp-tableCell {
  vertical-align: initial;
}
/* footer */
#fullPage > div:nth-child(9) {
  background: #222021 !important;
}
#fullPage > div:nth-child(9) .fp-tableCell {
  vertical-align: initial;
}

#back-to-top {
  position: fixed;
  bottom: 10px;
  right: 10px;
}

/* kaipingdonghua */
/* 第一层动画 */
@keyframes showKaiping {
  to {
    opacity: 1;
  }
}

/* 第二层动画 */
@keyframes showInner {
  to {
    opacity: 1;
  }
}

/* 第三层动画 */
@keyframes showImage {
  40% {
    transform: scale(0.15);
    opacity: 1;
  }
  100% {
    transform: scale(0.05);
    opacity: 1;
  }
}

/* 隐藏整个开屏动画 */
@keyframes hideKaipingimg {
  to {
    opacity: 0;
  }
}
/* 隐藏整个开屏动画 */
@keyframes hideKaiping {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-100%);
  }
}
/* 初始化样式 */
.kaiping {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000000;
  opacity: 1; /* 初始透明 */
  animation: showKaiping 0.5s forwards, hideKaiping 2s 5s forwards; /* 第一层动画 */
}

.kaiping div {
  opacity: 0; /* 初始透明 */
  animation: showInner 0.5s 0.5s forwards; /* 第二层动画，延迟1秒 */
}

.kaiping div img {
  transform: scale(0.15);
  opacity: 0;
  animation: showImage 4s 1s forwards, hideKaipingimg 1s 4s forwards;
}

.solution .solution-left a:hover {
  background-color: #2f318b;
  color: #ffffff;
  border: 1px solid #2f318b;
}
.solution-right .solution-right-boiler div a:hover {
  background-color: #2f318b;
  color: #ffffff;
}
.system > a:hover {
  background-color: #ffffff;
  color: #2f318b;
}
.imgblock {
  display: none;
}
.i-product-menu li.on,
.i-product-menu li:hover {
  background-color: #2f318b !important;
}
@media (max-width: 768px) {
  .banner .swiper-slide .swiper-text {
    margin-left: 15px;
  }
  .banner .swiper-slide .swiper-text p {
    font-size: 25px;
    color: #ffffff;
  }
  .banner .swiper-slide .swiper-text p:first-child {
    margin-bottom: 0;
  }
  .banner .swiper-slide .swiper-text i {
    font-size: 14px;
    color: #ffffff;
    font-family: "Regular", sans-serif;
    line-height: normal;
  }
  .banner .swiper-slide .swiper-text i:nth-child(3) {
    margin-top: 6.5px;
  }
  .banner .swiper > .swiper-button-next,
  .banner .swiper > .swiper-button-prev {
    display: none;
  }
  .banner .swiper-number {
    left: 15px;
  }
  .banner .swiper-number span {
    margin: 0 18px 0 0;
  }
  .solution {
    flex-direction: column;
  }
  .solution .solution-left {
    width: calc(100% - 30px);
    margin: 0 auto;
  }
  .solution .solution-left p {
    display: inline-block;
    font-size: 18px;
    color: #000000;
    line-height: normal;
    margin-top: 40px;
  }
  .solution .solution-left i {
    margin: 16.5px 0 22px 0;
    font-size: 14px;
    color: #1d1d1f;
    line-height: 24px;
  }
  .solution .solution-right {
    width: calc(100% - 30px);
    margin: 0 auto;
    height: auto;
  }
  .solution-right .solution-right-boiler {
    margin-top: 35px;
    height: 222px;
    background-repeat: no-repeat;
    background-size: 100% 100%;
  }
  .solution-right .solution-right-boiler div {
    margin-left: 24px;
  }
  .solution-right .solution-right-boiler:nth-child(1) {
    background: url("/static/image/m-index/solution-right-boiler-1.jpg");
    background-size: 100%;
  }
  .solution-right .solution-right-boiler:nth-child(2) {
    background: url("/static/image/m-index/solution-right-boiler-1.jpg");
    background-size: 100%;
  }
  .solution-right .solution-right-boiler:nth-child(3) {
    background: url("/static/image/m-index/solution-right-boiler-3.jpg");
    background-size: 100%;
    margin: 23px 0 44px 0;
  }
  .solution-right .solution-right-boiler:nth-child(3) > div > p {
    color: #ffffff;
  }
  .solution-right .solution-right-boiler div span {
    font-size: 18px;
    display: block;
  }
  .solution-right .solution-right-boiler div p {
    width: 77%;
    font-size: 13px;
    color: #c9ccd8;
    line-height: 21px;
  }
  .solution .solution-left a {
    width: 153px;
    height: 37.5px;
    border-radius: 39px;
    font-size: 15px;
    border: 1px solid #2f318b;
  }
  .solution-right .solution-right-boiler div a {
    width: 153px;
    height: 37.5px;
    background: #ffffff;
    border-radius: 39px;
    font-size: 15px;
  }
  .boiler-system-swiper > div > .append-buttons {
    width: calc(100% - 30px);
    margin: 23px auto 0;
    height: 28px;
    overflow: hidden;
    overflow-x: auto;
    white-space: nowrap;
  }
  .boiler-system-swiper > div > .append-buttons::-webkit-scrollbar {
    display: none;
  }
  .boiler-system-swiper > div > .append-buttons a {
    font-size: 13px;
    color: #c7c7c7;
    margin: 0 12px 0 0;
  }
  .boiler-system-swiper > div > .append-buttons .slide-style{
    border-bottom: 1.5px solid #ff6000;
  }
  #fullPage > div:nth-child(2) {
    background: url(/static/image/index/m-setion-two.png) no-repeat;
    background-size: 220%;
    background-position: bottom;
    background-color: #eeeeee;
  }
  #fullPage > div:nth-child(3) {
    position: relative;
    height: 530px;
  }
  #fullPage > div:nth-child(4) {
    background: url("/static/image/m-index/m-setion4.png") no-repeat;
    background-size: 100%;
  }
  .system {
    margin-top: 45px;
  }
  .system > b {
    font-size: 22.5px;
    color: #ffffff;
    margin-bottom: 25px;
  }
  .boiler-system .boiler-system-title div {
    font-size: 14px;
  }
  .boiler-system .boiler-system-title span {
    margin: 0 15px;
  }
  .boiler-system-swiper .swiper {
    margin-top: 55px;
  }
  .boiler-system-swiper .swiper .swiper-wrapper .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .boiler-system-swiper .swiper .swiper-wrapper .swiper-slide > img {
    width: 72%;
  }
  .boiler-system-swiper > div > .swiper > .swiper-button-next {
    right: 15px;
  }
  .boiler-system-swiper > div > .swiper > .swiper-button-prev {
    left: 15px;
  }
  .boiler-system-swiper > div > .swiper > .swiper-button-next,
  .boiler-system-swiper .swiper-button-prev {
    width: 25px;
    height: 25px;
  }
  .boiler-system-swiper > div > .swiper > .swiper-button-next img,
  .boiler-system-swiper .swiper-button-prev img {
    width: 100%;
  }
  .system > a {
    width: 153px;
    height: 38.5px;
    border-radius: 20px;
    border: 1px solid #ffffff;
    font-size: 14px;
    color: #ffffff;
    bottom: 8.5%;
  }
  .major b {
    font-size: 22.5px;
    color: #000000;
    text-align: center;
    margin: 40px auto 8px;
  }
  .major .major-four {
    width: calc(100% - 30px);
    margin: 0 auto;
    flex-direction: column;
  }
  .major .major-four > div {
    width: 100%;
    margin-top: 27px;
  }
  .major .major-four > div > span {
    margin: 13px 0 14.5px 0;
  }
  .major .major-four > div > p:last-child {
    margin-top: 0;
  }
  .major .major-pic {
    width: calc(100% - 30px);
    margin: 36px auto 28px;
    flex-direction: column;
  }
  .major .major-pic > div {
    margin-bottom: 17px;
  }
  .major .major-pic > div > img {
    width: 100%;
  }
  .major .major-pic div span {
    display: flex;
    height: 46px;
    margin-top: 0;
    align-items: center;
    justify-content: flex-start;
    font-size: 14px;
    color: #1e1e1e;
    box-shadow: 0px 5px 10px 0px rgba(47, 49, 139, 0.18);
  }
  .major .major-pic div span i {
    margin-left: 14px;
    margin-right: 4.5px;
    background: #2F318B;
  }
  .i-product-menu li.on,
  .i-product-menu li:hover {
    background:#2F318B url("/static/image/index/DBE.jpg") no-repeat center center !important;
    background-size: 75% 100% !important;
  }
  #fullPage > .section:nth-child(5){
    height: 65vh;
  }
  .i-product-content{
    padding-top: 45px !important;
  }
  .i-product-content>a{
    width: 8%;
  }
  .i-product-content>a>img{
    width: 100%;
  }
  .supplier > b {
    font-size: 22.5px;
    color: #000000;
    margin: 40px 0 25px 0;
  }
  .supplier-pic-A {
    width: calc(100% - 30px);
    margin: 0 auto;
  }
  .supplier-pic-A > div:first-child {
    height: 190px;
    background: url("/static/image/m-index/supplier-pic-A1.jpg") no-repeat;
    background-size: 100% 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
  }
  .supplier-pic-A > div:first-child > a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    margin: 0 0 16px 10px;
  }
  .supplier-pic-A > div:first-child > a > span {
    font-size: 12px;
    color: #ffffff;
  }
  .supplier-pic-A > div:first-child > a > em {
    font-size: 15px;
    color: #ffffff;
    margin-top: 10px;
    font-style: normal;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .supplier-pic-A > div:first-child > a > em img {
    width: 6.5px;
    height: 11.5px;
    margin-left: 6.5px;
  }
  .supplier-pic-A > div:last-child {
    width: 100%;
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 10px 0 45px 0;
  }
  .supplier-pic-A > div:last-child > a {
    width: calc(50% - 5px);
    height: 190px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
  }
  .supplier-pic-A > div:last-child > a:first-child {
    background: url("/static/image/m-index/supplier-pic-A2.jpg") no-repeat;
    background-size: 100% 100%;
  }
  .supplier-pic-A > div:last-child > a:last-child {
    background: url("/static/image/m-index/supplier-pic-A3.jpg") no-repeat;
    background-size: 100% 100%;
  }
  .supplier-pic-A > div:last-child > a > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    margin: 0 0 16px 10px;
  }
  .supplier-pic-A > div:last-child > a > div > span {
    font-size: 11px;
    color: #ffffff;
  }
  .supplier-pic-A > div:last-child > a > div > em {
    width: 85%;
    font-size: 13px;
    line-height: 16.5px;
    color: #ffffff;
    margin-top: 10px;
    font-style: normal;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  #fullPage > div:nth-child(7) {
    background-color: #ffffff !important;
  }
  .eath-text {
    width: 100%;
  }
  .eath-text > span {
    font-family: "Medium", sans-serif;
    font-size: 22.5px;
    color: #000000;
    display: block;
    text-align: center;
    margin-top: 0;
  }
  .eath-text > p {
    font-size: 12px;
    color: #999999;
    display: block;
    text-align: center;
    margin-top: 5px;
    margin-bottom: 24px;
  }
  .economy2 > p {
    display: none;
  }
  .m-economy {
    width: 100%;
    height: 100vh;
    background: #000812;
    position: relative;
    overflow: hidden;
  }
  .m-economy > img {
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
  }
  .m-economy > div {
    width: 100%;
    height: 100vh;
    overflow: hidden;
  }
  .m-economy > div img {
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    background: unset;
    transform: scale(17);
    transition: 0.5s ease;
  }
  .m-economy > div p {
    width: calc(100% - 30px);
    height: 50px;
    position: absolute;
    top: 25%;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22.5px;
    font-family: "Medium", sans-serif;
    color: #2f318b;
    opacity: 0;
    transition: 0.5s ease;
  }
}