@media (max-width: 992px) {
  html {
    font-size: 20px;
  }
}
@media (max-width: 512px) {
  html {
    font-size: 10px;
  }
}
@keyframes a-fadeIn-bottom {
  from {
    opacity: 0;
    transform: translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.mainCont {
  background-color: #f6f7f9;
}
.mainCont .module-header {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.mainCont .module-header .module-title {
  position: relative;
  font-size: 34px;
  color: #313642;
}
.mainCont .module-header .module-title::before, .mainCont .module-header .module-title::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 80px;
  height: 2px;
  background-color: #ea4731;
}
.mainCont .module-header .module-title::before {
  left: -122px;
}
.mainCont .module-header .module-title::after {
  right: -122px;
}
.mainCont .module-header .module-desc {
  position: relative;
  margin-top: 15px;
  padding: 0 36px;
  line-height: 68px;
  font-size: 24px;
  color: #3f4657;
}
.mainCont .module-header .module-desc p {
  z-index: 1;
}
.mainCont .module-header .module-desc::before, .mainCont .module-header .module-desc::after {
  z-index: 0;
  content: "";
  position: absolute;
  width: 43px;
  height: 36px;
  background-size: 100% 100%;
}
.mainCont .module-header .module-desc::before {
  background: url("/assets/images/aboutUs/aboutSandStone/quotation_mark_left.png");
  left: 0;
  top: 0;
}
.mainCont .module-header .module-desc::after {
  background: url("/assets/images/aboutUs/aboutSandStone/quotation_mark_right.png");
  right: 0;
  bottom: 0;
}
.mainCont .box-banner {
  height: 500px;
  background: -moz-linear-gradient(left, #171924, #141C33);
  background: -webkit-linear-gradient(left, #171924, #141C33);
  background: -o-linear-gradient(left, #171924, #141C33);
  background: -ms-linear-gradient(left, #171924, #141C33);
  background: linear-gradient(to right, #171924, #141C33);
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.mainCont .box-banner img {
  left: 50%;
  transform: translateX(-50%);
  top: 0;
}
.mainCont .box-banner img.img-banner {
  display: block;
}
.mainCont .box-banner img.img-banner-m {
  display: none;
}
.mainCont .box-banner .box-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  animation: a-fadeIn-bottom 1s ease-in-out forwards;
}
.mainCont .box-banner .box-text::after {
  content: "";
  width: 78px;
  height: 4px;
  background-color: #fff;
  margin-top: 97px;
}
.mainCont .box-banner .box-text .banner-title {
  font-size: 48px;
  color: #fff;
  margin-bottom: 26px;
}
.mainCont .box-banner .box-text .banner-subTitle {
  font-size: 24px;
  color: rgba(223, 236, 255, 0.6);
}
.mainCont .box-tool-bar {
  height: 78px;
  box-shadow: 10px 0 50px rgba(56, 40, 38, 0.1);
}
.mainCont .box-tool-bar .box-tool-bar-cont {
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar {
  font-size: 0;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li {
  position: relative;
  padding-bottom: 26px;
  display: inline-block;
  font-size: 18px;
  color: #313642;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: transparent;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li:nth-child(n+2) {
  margin-left: 54px;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li:hover {
  cursor: pointer;
  color: #e94730;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li:hover::after {
  background-color: #e94730;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active {
  color: #e94730;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active::after {
  background-color: #e94730;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active a {
  color: #e94730;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li a {
  font-size: 18px;
  color: #313642;
}
.mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li a:hover {
  color: #e94730;
}
.mainCont .box-sandStone {
  padding-bottom: 68px;
}
.mainCont .box-sandStone .box-imgBoard {
  padding-left: 328px;
  height: 520px;
  margin-top: 68px;
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-title {
  left: 0;
  top: 0;
  width: 328px;
  padding: 69px 0 63px 38px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: url("/assets/images/aboutUs/aboutSandStone/box_imgBoard_title.png") no-repeat;
  background-size: 100% 100%;
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-title .box-imgBoard-title-top {
  font-size: 40px;
  color: #fff;
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-title .box-imgBoard-title-top::after {
  content: "";
  position: absolute;
  bottom: -38px;
  left: 0;
  width: 36px;
  height: 3px;
  background-color: #ea4731;
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-title .box-imgBoard-title-bottom {
  font-size: 38px;
  color: rgba(255, 255, 255, 0.3);
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-img {
  overflow: hidden;
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-img img {
  transition: all 0.5s linear;
}
.mainCont .box-sandStone .box-imgBoard .box-imgBoard-img img:hover {
  transform: scale(1.1);
}
.mainCont .box-sandStone .text-introduce {
  margin-top: 20px;
  font-size: 18px;
  color: #313642;
  line-height: 36px;
}
.mainCont .box-sandStone .text-introduce.t-introduce2 {
  margin-top: 20px;
}
.mainCont .box-corporate-concept {
  padding-top: 68px;
  background-color: #fff;
}
.mainCont .box-corporate-concept .box-img-concept {
  display: flex;
  justify-content: center;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item {
  position: relative;
  width: 33.3%;
  margin-top: 68px;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item img {
  width: 100%;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text {
  left: 0;
  top: 0;
  padding: 78px 42px 90px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text-middle {
  padding-bottom: 20px
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-title {
  font-size: 36px;
  color: #3f4657;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-title .concept-text-title-line2 {
  margin-top: 10px;
  font-size: 18px;
  opacity: 0.5;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-bottom {
  position: relative;
  font-size: 24px;
  color: #3f4657;
}
.mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-bottom::before {
  content: "";
  position: absolute;
  left: 0;
  top: -30px;
  width: 88px;
  height: 3px;
  background-color: #e94730;
}
.mainCont .box-partner {
  padding: 68px 0 68px;
}
.mainCont .box-partner .box-img-partner {
  padding-top: 60px;
  display: flex;
  flex-wrap: wrap;
}
.mainCont .box-partner .box-img-partner .company-box {
  width: 300px;
  height: 130px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.mainCont .box-partner .box-img-partner .company-box img {
  max-width: 80%;
  max-height: 80%;
}
.mainCont .box-partner .box-img-partner .company-box:hover .company {
  display: none;
}
.mainCont .box-partner .box-img-partner .company-box:hover .company.active {
  display: block;
}
.mainCont .box-partner .box-img-partner .company {
  max-width: 80%;
  max-height: 80%;
}
.mainCont .box-partner .box-img-partner .company.active {
  max-width: 80%;
  max-height: 80%;
  display: none;
}
.mainCont .box-customer {
  padding: 68px 0 68px;
  background-color: #fff;
}
.mainCont .box-customer .tab-bar-customer {
  margin-top: 48px;
  padding-left: 6px;
  display: flex;
  border-bottom: 1px solid #dfdfdf;
}
.mainCont .box-customer .tab-bar-customer li {
  position: relative;
  padding: 0 22px 22px;
  font-size: 18px;
  color: #313642;
}
.mainCont .box-customer .tab-bar-customer li:nth-child(n+2) {
  margin-left: 40px;
}
.mainCont .box-customer .tab-bar-customer li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
}
.mainCont .box-customer .tab-bar-customer li:hover {
  cursor: pointer;
  color: #e94730;
}
.mainCont .box-customer .tab-bar-customer li:hover::after {
  background-color: #ea533d;
}
.mainCont .box-customer .tab-bar-customer li.tab-active {
  color: #e94730;
}
.mainCont .box-customer .tab-bar-customer li.tab-active::after {
  background-color: #ea533d;
}
.mainCont .box-customer .box-img-customer {
  margin-top: 35px;
  display: flex;
  flex-wrap: wrap;
  background-color: #fff;
}
.mainCont .box-customer .box-img-customer .img-customer-item {
  width: 300px;
  height: 145px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.mainCont .box-customer .box-img-customer .img-customer-item img {
  max-width: 100%;
  max-height: 100%;
}

@media (max-width: 992px) {
  .mainCont {
    background-color: #fff;
    overflow-x: hidden;
  }
  .mainCont .module-header {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .mainCont .module-header .module-title {
    position: relative;
    font-size: 2.1rem;
    color: #313642;
  }
  .mainCont .module-header .module-title::before, .mainCont .module-header .module-title::after {
    display: none;
  }
  .mainCont .module-header .module-desc {
    position: relative;
    margin-top: 0.75rem;
    padding: 0 1.8rem;
    line-height: 3.4rem;
    font-size: 1.2rem;
    color: #3f4657;
  }
  .mainCont .module-header .module-desc p {
    z-index: 1;
  }
  .mainCont .module-header .module-desc::before, .mainCont .module-header .module-desc::after {
    z-index: 0;
    content: "";
    position: absolute;
    width: 2.15rem;
    height: 1.8rem;
    background-size: 100% 100%;
  }
  .mainCont .module-header .module-desc::before {
    background: url("/assets/images/aboutUs/aboutSandStone/quotation_mark_left.png");
    background-size: 100% 100%;
    left: 0;
    top: 0;
  }
  .mainCont .module-header .module-desc::after {
    background: url("/assets/images/aboutUs/aboutSandStone/quotation_mark_right.png");
    background-size: 100% 100%;
    right: 0;
    bottom: 0;
  }
  .mainCont .box-banner {
    height: 90.6666666667vw;
    background-color: #10244b;
    display: flex;
    align-items: flex-start;
  }
  .mainCont .box-banner img {
    width: 100%;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }
  .mainCont .box-banner img.img-banner {
    display: none;
  }
  .mainCont .box-banner img.img-banner-m {
    display: block;
  }
  .mainCont .box-banner .box-text {
    margin-top: 17.8666666667vw;
    align-items: center;
    justify-content: center;
  }
  .mainCont .box-banner .box-text::after {
    display: none;
  }
  .mainCont .box-banner .box-text .banner-title {
    position: relative;
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 2.9333333333vw;
  }
  .mainCont .box-banner .box-text .banner-title::after {
    content: "";
    position: absolute;
    top: 6.9rem;
    left: 50%;
    transform: translateX(-50%);
    width: 5.7rem;
    height: 0.25rem;
    background-color: #fff;
    margin-top: 2.45rem;
  }
  .mainCont .box-banner .box-text .banner-subTitle {
    font-size: 1.5rem;
  }
  .mainCont .box-banner .box-text .banner-subTitle p {
    display: block;
    text-align: center;
  }
  .mainCont .box-tool-bar {
    padding: 0 2.6rem 0 3.85rem;
    height: 5rem;
    box-shadow: 0.5rem 0 2.5rem rgba(56, 40, 38, 0.1);
  }
  .mainCont .box-tool-bar .box-tool-bar-cont {
    padding: 0;
    overflow-x: auto;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar {
    white-space: nowrap;
    font-size: 0;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li {
    padding-bottom: 1.4rem;
    font-size: 1.4rem;
    white-space: nowrap;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li::after {
    height: 0.2rem;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li:nth-child(n+2) {
    margin-left: 2.7rem;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li:hover::after {
    background-color: transparent;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active {
    color: #e94730;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active::after {
    background-color: #e94730;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active a {
    color: #e94730;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li.tab-active a:hover {
    color: #e94730;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li a {
    font-size: 1.4rem;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont .tab-bar li a:hover {
    color: #313642;
  }
  .mainCont .box-tool-bar .box-tool-bar-cont::-webkit-scrollbar {
    display: none;
  }
  .mainCont .box-sandStone {
    padding: 0 2.6rem;
  }
  .mainCont .box-sandStone .box-imgBoard {
    padding-left: 0;
    padding-top: 14rem;
    height: auto;
    margin-top: 3.4rem;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-title {
    left: 0;
    top: 0;
    width: 100%;
    height: 14rem;
    padding: 2.4rem 0 3.3rem 3.15rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background: url("/assets/images/aboutUs/aboutSandStone/box_imgBoard_title_mobile.png") no-repeat;
    background-size: 100% 100%;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-title .box-imgBoard-title-top {
    font-size: 2rem;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-title .box-imgBoard-title-top::after {
    bottom: -1.7rem;
    width: 1.8rem;
    height: 0.15rem;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-title .box-imgBoard-title-bottom {
    margin-top: 2.6rem;
    font-size: 1.9rem;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-img {
    overflow: auto;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-img img {
    height: auto;
  }
  .mainCont .box-sandStone .box-imgBoard .box-imgBoard-img img:hover {
    transform: scale(1);
  }
  .mainCont .box-sandStone .text-introduce {
    margin-top: 3.6rem;
    font-size: 1.2rem;
    color: #313642;
    line-height: 1.8rem;
  }
  .mainCont .box-sandStone .text-introduce.t-introduce2 {
    margin-top: 2.5rem;
  }
  .mainCont .box-corporate-concept {
    padding: 3.4rem 2.6rem 0;
    background-color: #fff;
  }
  .mainCont .box-corporate-concept .box-img-concept {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item {
    position: relative;
    width: 100%;
    min-height: 100px;
    margin-top: 3.4rem;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item img {
    width: 100%;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text {
    left: 0;
    top: 0;
    padding: 3.9rem 2.6rem 4.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-title {
    font-size: 1.8rem;
    color: #3f4657;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-title .concept-text-title-line2 {
    font-size: 1.2rem;
    opacity: 0.5;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-bottom {
    position: relative;
    font-size: 1.2rem;
    color: #3f4657;
  }
  .mainCont .box-corporate-concept .box-img-concept .img-concept-item .concept-item-text .concept-text-bottom::before {
    content: "";
    position: absolute;
    left: 0;
    top: -1.5rem;
    width: 4.4rem;
    height: 0.15rem;
    background-color: #e94730;
  }
  .mainCont .box-partner {
    padding: 3.4rem 0;
  }
  .mainCont .box-partner .box-img-partner {
    padding-top: 3rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }
  .mainCont .box-partner .box-img-partner .company-box {
    width: 40.6666666667vw;
    height: 18.6666666667vw;
    background-color: #fff;
    margin: 15px 10px;
    box-shadow: 0 10px 14px rgba(162, 162, 162, 0.2);
  }
  .mainCont .box-partner .box-img-partner .company-box:hover .company {
    display: none;
  }
  .mainCont .box-partner .box-img-partner .company-box:hover .company.active {
    display: block;
  }
  .mainCont .box-partner .box-img-partner .company {
    max-width: 100%;
    max-height: 100%;
    display: none;
  }
  .mainCont .box-partner .box-img-partner .company.active {
    max-width: 100%;
    max-height: 100%;
    transform: scale(0.7);
    display: block;
  }
  .mainCont .box-customer {
    padding: 3.4rem 2.6rem;
  }
  .mainCont .box-customer .tab-bar-customer {
    margin-top: 48px;
    padding-left: 6px;
    display: flex;
    border-bottom: 1px solid transparent;
    overflow-x: auto;
  }
  .mainCont .box-customer .tab-bar-customer li {
    position: relative;
    padding: 0 0 1.1rem;
    font-size: 1.2rem;
    color: rgba(49, 54, 66, 0.8);
    white-space: nowrap;
  }
  .mainCont .box-customer .tab-bar-customer li:nth-child(n+2) {
    margin-left: 40px;
  }
  .mainCont .box-customer .tab-bar-customer li::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 88%;
    height: 0.2rem;
  }
  .mainCont .box-customer .tab-bar-customer li:hover {
    cursor: pointer;
    color: rgba(49, 54, 66, 0.8);
  }
  .mainCont .box-customer .tab-bar-customer li:hover::after {
    background-color: transparent;
  }
  .mainCont .box-customer .tab-bar-customer li.tab-active {
    color: #313642;
  }
  .mainCont .box-customer .tab-bar-customer li.tab-active::after {
    background-color: #ea533d;
  }
  .mainCont .box-customer .box-img-customer {
    margin-top: 35px;
    display: flex;
    flex-wrap: wrap;
    background-color: #fff;
  }
  .mainCont .box-customer .box-img-customer .img-customer-item {
    width: 50%;
    height: auto;
    margin: 5px 0;
  }
  .mainCont .box-customer .box-img-customer .img-customer-item img {
    max-width: 100%;
    max-height: 100%;
  }
}
/* ii s7 . c o m */