html,
body {
  min-width: 1250px;
  overflow-x: auto;
}

.contentContainer>div:nth-child(2n +1) {
  background: #F2F2F2;
}

.contentContainer>div:nth-child(2n) {
  background-color: white;
}

.contentContainer>div:first-child {
  overflow: hidden;
  background: linear-gradient(270deg, rgba(225, 225, 225, 1) 0%, rgba(242, 242, 242, 0) 100%);
}

.contentBlock {
  width: 1400px;
  margin: 0 auto;
  position: relative;
  padding: 88px 0;
}

.contentContainer>div:first-child .contentBlock {
  padding-top: 118px;
  height: 500px;
}

.contentContainer>div:last-child .contentBlock {
  padding-bottom: 56px;
}

.bannerBg {
  position: absolute;
  height: 500px;
  width: auto;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.bannerContent {
  position: relative;
}

.bannerTitle {
  font-size: 42px;
  line-height: 59px;
  margin-bottom: 24px;
  color: #333333;
  font-weight: bolder;
}

.bannerDesc {
  font-size: 18px;
  line-height: 26px;
  color: #666;
  margin-bottom: 48px;
  width: 860px;
}

.bannerBtnContainer {
  display: flex;
}

.bannerBtn {
  width: 154px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  margin-right: 16px;
  font-size: 16px;
  line-height: 22px;
}

.bannerBtn:hover {
  text-decoration: none;
}

.bannerBtn:first-child {
  background: #E7161A;
  color: white;
}

.bannerBtn:last-child {
  border: 1px solid #E7161A;
  color: #E7161A;
}

.bannerBtn:first-child:hover {
  background: #F42E32;
}

.bannerBtn:last-child:hover {
  background: #E7161A;
  color: white;
}

.blockTitle {
  font-size: 42px;
  line-height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 64px;
  color: #333333;
}

.blockTitleLine {
  width: 88px;
  height: 4px;
  background-color: #E7161A;
  margin-top: 32px;
}

.blockTitleDesc {
  margin-top: 20px;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  color: #666666;
  width: 860px;
}

.titleDescLink{
  text-decoration: underline;
  color: #666666;
}
.titleDescLink:hover{
  color: #E7161A;
  text-decoration: underline;
}

.listContainer {
  display: flex;
  justify-content: space-between;
}

.usageItem {
  width: 446px;
  height: 468px;
  box-shadow: 0px 8px 20px 1px rgba(221, 221, 221, 0.5);
  border-radius: 4px;
}

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

.useCaseListContainer {
  padding: 0;
}

.useCaseItem {
  border-bottom: 1px solid #666;
  margin-bottom: 48px;
}



.useCaseItemTitle {
  font-size: 30px;
  line-height: 42px;
  color: #333333;
  margin-bottom: 20px;
}

.useCaseItem .useCaseItemDesc {
  font-size: 16px;
  line-height: 22px;
  color: #666666;
  margin-bottom: 48px;
}

.useCaseItem:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.useCaseItem:last-child .useCaseItemDesc {
  margin-bottom: 0;
}

.itemTitle {
  margin: 0;
  margin-top: 42px;
  font-size: 30px;
  line-height: 42px;
  color: #333333;
  padding: 0 36px;
}

.itemDesc {
  margin: 0;
  margin-top: 20px;
  font-size: 16px;
  line-height: 22px;
  color: #666666;
  padding: 0 36px;
}

.kfItem {
  width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kfItemImg {
  width: 94px;
  height: 94px;
}

.ecoItem {
  width: 446px;
}

.ecoItemTitle {
  background: linear-gradient(104.6deg, #FF4549 4%, #E7161A 69.37%);
  border-radius: 4px;
  font-size: 30px;
  line-height: 52px;
  text-align: center;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.ecoItemBtn {
  display: none;
}

.ecoItemBody {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.ecoItemBody>img {
  width: 215px;
  margin-bottom: 16px;
  display: block;
  height: 68px;
}

.community>.contentBlock {
  padding-bottom: 56px;
}

.communityListContainer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.communityItem {
  width: 446px;
  height: 252px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid #E3E3E3;
  box-sizing: border-box;
  border-radius: 4px;
  position: relative;
  margin-bottom: 32px;
}

.communityItem:hover {
  box-shadow: 0px 6px 20px 1px rgba(221, 221, 221, 0.7);
  text-decoration: none;

}

.communityItemImg {
  width: 94px;
  height: 94px;
  margin-top: 48px;
  margin-bottom: 20px;
}

.communityItemTitle,
.communityItemTitleWithOutLink {
  font-size: 24px;
  line-height: 34px;
  color: #333333;
  transition: all 0.3s;
}

.communityItemTitleWithOutLink::after,.communityItemTitle::after {
  display: block;
  height: 1px;
  width: 0;
  background-color: #E7161A;
  transition: all 0.3s;
  margin-top: 8px;
  content: '';
}

.communityItem:hover .communityItemTitle::after {
  width: 100%;
}

.communityItem:hover .communityItemTitle {
  color: #E7161A;
  text-decoration: none;
}

.communityItem:hover .communityItemTitleWithOutLink::after {
  width: 100%;
}

.communityItem:hover .communityItemTitleWithOutLink {
  color: #E7161A;
  text-decoration: none;
}

.poweredListContainer {
  display: flex;
  flex-wrap: wrap;
}

.poweredListContainer img {
  display: block;
  width: 187px;
  height: 68px;
  margin-right: 15px;
  margin-bottom: 15px;
}

.poweredListContainer img:nth-child(7n) {
  margin-right: 0;
}

@media screen and (max-width:1450px) {
  .contentBlock {
    width: 1200px;
  }

  .bannerDesc {
    width: 800px;
  }

  .usageItem {
    width: 378px;
  }

  .kfItem {
    width: 379px;
  }

  .kfItem .itemTitle {
    padding: 0;
  }

  .ecoItem {
    width: 378px;
  }

  .ecoItemBody>img {
    width: 181px;
    height: 57px;
  }

  .communityItem {
    width: 378px;
  }

  .poweredListContainer img {
    width: 158px;
    height: auto;

  }

}

@media screen and (max-width:768px) {

  html,
  body {
    min-width: 0;
    overflow-x: hidden;
  }

  .contentBlock {
    width: 100%;
    padding: 44px 30px;
  }

  .contentContainer>div:first-child .contentBlock {
    padding-top: 44px;
    height: auto;
    background-image: url(/homePageImg/bannerBg_m.png);
    background-size: cover;
  }

  .contentContainer>div:last-child .contentBlock {
    padding-bottom: 12px;
  }

  .bannerBg {
    display: none;
  }

  .bannerTitle {
    font-size: 30px;
    line-height: 42px;
    color: #333333;
    margin-bottom: 20px;
  }

  .bannerDesc {
    width: 100%;
    margin-bottom: 24px
  }

  .bannerBtn {
    width: 116px;
    height: 32px;
    font-size: 12px;
    line-height: 17px;
    margin-right: 12px;
  }

  .blockTitle {
    font-size: 28px;
    line-height: 42px;
    color: #333333;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 24px;
  }

  .blockTitleLine {
    width: 48px;
    height: 2px;
    background-color: #E7161A;
    margin-top: 8px;
  }

  .blockTitleDesc {
    margin-top: 16px;
    font-size: 16px;
    line-height: 22px;
    text-align: left;
    color: #666666;
    width: 100%;
  }

  .listContainer {
    display: block;
    justify-content: space-between;
  }

  .itemTitle {
    margin: 0;
    margin-top: 16px;
    font-size: 16px;
    line-height: 22px;
    color: #333333;
    padding: 0 0 12px 0;
  }

  .itemDesc {
    margin: 0;
    margin-top: 12px;
    font-size: 14px;
    line-height: 19px;
    color: #666666;
    padding: 0 0 24px 0;
  }

  .kfItem {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 24px;
  }

  .kfItem::after {
    content: "";
    display: block;
    height: 1px;
    width: 100%;
    transform: scaleY(0.25);
    background-color: #999;
  }

  .kfItemImg {
    width: 64px;
    height: 64px;
  }

  .contentBlock>.listContainer>div:last-child {
    padding-bottom: 0;
  }

  .contentBlock>.listContainer>div:last-child .itemDesc {
    padding-bottom: 0;
  }

  .contentBlock>.listContainer>div:last-child::after {
    display: none;
  }

  .ecoItem {
    width: 100%;
  }

  .ecoItemTitle {
    background: linear-gradient(104.6deg, #FF4549 4%, #E7161A 69.37%);
    border-radius: 2px;
    font-size: 16px;
    color: #FFFFFF;
    margin-bottom: 8px;
    height: 38px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .ecoItemTitle span {
    pointer-events: none;
  }

  .ecoItemBtn {
    position: relative;
    display: block;
    left: -7px;
  }

  .ecoItemBtn:before,
  .ecoItemBtn:after {
    position: absolute;
    content: '';
    height: 1px;
    /* width: 10px; */
    width: 7px;
    background-color: white;
  }

  .ecoItemBtn:before {
    transform: rotate(45deg);
    /* left: -7px; */
    left: -5px;
  }

  .ecoItemBtn:after {
    transform: rotate(-45deg);
  }

  .ecoItemBody>img {
    width: calc(50vw - 34px);
    height: auto;
    height: calc(calc(50vw - 34px) * 0.316);
    margin-bottom: 8px;
    display: block;
  }

  .closeEcosItem .ecoItemBtn:before,
  .closeEcosItem .ecoItemBtn::after {
    transform: rotate(0deg);
    left: -4px;
    width: 10px;
  }

  .closeEcosItem+div {
    height: 0;
    overflow: hidden;
  }

  .useCaseItem {
    border-bottom: none;
    margin-bottom: 24px;
  }

  .useCaseItem::after {
    content: "";
    display: block;
    height: 1px;
    width: 100%;
    transform: scaleY(0.25);
    background-color: #999;
  }

  .useCaseItem:last-child:after {
    display: none;
  }

  .useCaseItemTitle {
    font-size: 16px;
    line-height: 22px;
    text-align: center;
    color: #333333;
    margin-bottom: 12px;
  }

  .useCaseItem .useCaseItemDesc {
    font-size: 14px;
    line-height: 19px;
    color: #666666;
    margin-bottom: 24px;
  }

  .communityItem {
    width: calc(50% - 4px);
    height: 142px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid #E3E3E3;
    box-sizing: border-box;
    border-radius: 4px;
    position: relative;
    margin-bottom: 8px;
    box-shadow: 0px 6px 20px 1px rgba(221, 221, 221, 0.7);
  }

  .communityItem:last-child {
    margin-bottom: 0;
  }

  .communityItemImg {
    width: 56px;
    height: 56px;
    margin-top: 28px;
    margin-bottom: 8px;
  }

  .communityItemTitle,
  .communityItemTitleWithOutLink {
    font-size: 16px;
    line-height: 22px;
    color: #333333;
  }

  .communityItemTitle::after {
    content: " >";
    display: inline;
    height: auto;
    width: auto;
    background-color: transparent;
    /* position: absolute; */
    transition: all 0.3s;
    /* left: 50%; */
    /* margin-left: -62px; */
    /* bottom: 48px; */
    margin-top: 0;
  }

  .communityLine {
    display: none;
  }

  .poweredListContainer img {
    width: calc((100% - 16px) / 3);
    height: 40px;
    margin-right: 8px;
    margin-bottom: 8px;
  }

  .poweredListContainer img:nth-child(7n) {
    margin-right: 8px;
  }

  .poweredListContainer img:nth-child(3n) {
    margin-right: 0px;
  }

}