:root {
  --bg: #120000;
  --text-color: #ffffff;
}

/*div {
  box-sizing: border-box;
}*/

/*img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}*/

.box {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.box-wrap {
  flex-wrap: wrap;
}

.main-emt {
  background: #120000;
}

.main-emt-top {
  background: url(../images/bg_top.png) no-repeat;
  background-size: 100% 100%;
  padding-bottom: 140px;
}

.border {
  border: 1px solid #ffffff;
}

.main-top-banner {
  padding-top: 180px;
}

.main-top-banner-logo {
  flex: 1;
}

.main-top-banner-desc {
  flex: 4;
  margin-left: 6%;
}

.main-top-banner-desc-title {
  font-size: 66px;
  color: #ffffff;
  text-align: center;
  font-weight: 600;
}

.main-top-banner-desc-title-mb {
  display: none;
}

.main-top-banner-desc-subtitle {
  font-size: 32px;
  text-align: center;
  color: #ffffff;
  font-weight: 100;
  letter-spacing: 4px;
  margin-bottom: 30px;
}

.main-top-banner-desc-list {
  width: 74%;
  margin: 0 auto;
}

.main-top-banner-desc-list li {
  width: 48%;
  height: 170px;
  overflow: hidden;
  background: url(../images/icon_item_bg.png) no-repeat;
  background-size: 100% cover;
  margin-bottom: 30px;
}

.main-top-banner-desc-list-title {
  font-size: 32px;
  line-height: 58px;
  padding-left: 14%;
  color: #ffffff;
}

.main-top-banner-desc-list-desc {
  font-size: 20px;
  line-height: 30px;
  color: #ffffff;
  padding-left: 16%;
  margin-top: 8px;
}

.main-top-data {
  margin-top: 200px;
}

.main-top-data-title {
  text-align: center;
  font-size: 50px;
  letter-spacing: 18px;
  font-weight: 200;
  color: #ffffff;
}

.main-top-data-subtitle {
  font-size: 26px;
  line-height: 38px;
  color: #ff002a;
  text-align: center;
  font-weight: 200;
  letter-spacing: 2px;
  padding-right: 10px;
}

.main-top-data-content {
  height: 157px;
  margin-top: 20px;
  background: url(../images/icon_data_bg.png) no-repeat;
  background-size: 100% 100%;
  justify-content: space-around;
}

.main-top-data-content li {
  flex: 1;
  text-align: center;
}

.main-top-data-content-value {
  font-size: 50px;
  line-height: 38px;
  color: #ffffff;
}

.main-top-data-content-name {
  font-size: 20px;
  line-height: 38px;
  font-weight: 200;
  margin-top: 20px;
  color: #ffffff;
}

.main-case {
  height: 1152px;
  background: url(../images/bg_case.png) no-repeat;
  background-size: 100% 100%;
}

.main-case-content-title-cn {
  font-size: 36px;
  letter-spacing: 2px;
  color: #ffffff;
}

.main-case-content-title-eng {
  font-size: 72px;
  letter-spacing: 4px;
  margin-top: -40px;
  background: linear-gradient(to bottom, #120000 30%, #880005);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-case-content-body-right {
  margin: -14% 0 0 -2%;
}

.main-desc {
  margin-top: -180px;
  padding-bottom: 100px;
  background: url(../images/bg_market.png) no-repeat;
  background-size: 100% 100%;
}

.main-desc-title {
  text-align: center;
  font-size: 38px;
  color: #ffffff;
}

.main-desc-market-people {
  width: 226px;
  height: 46px;
  margin: 30px auto;
  background: url(../images/icon_people.png) no-repeat;
  background-size: 100% 100%;
}

.main-desc-market-people p {
  font-size: 20px;
  line-height: 42px;
  font-weight: 600;
  color: #ffffff;
  padding-left: 33%;
}

.main-desc-market-content {
  height: 240px;
  align-items: flex-start;
  background: url(../images/bg_country_pc.png) no-repeat;
  background-size: 100% 100%;
}

.main-desc-market-content-side {
  width: 36.4%;
  padding: 6px 30px;
}

.main-desc-market-content-main {
  flex: 1;
  padding-top: 6px;
}

.main-desc-market-content-title {
  font-size: 26px;
  color: #ffffff;
  text-align: center;
  margin-bottom: 40px;
}

.main-desc-market-content-list li {
  width: 33.3%;
  margin-bottom: 20px;
  justify-content: flex-start;
}

.main-desc-market-content-list-country {
  width: 50px;
  height: 50px;
}

.main-desc-market-content-list-name {
  font-size: 16px;
  color: #ffffff;
  margin-left: 10px;
}

.main-desc-market-content-side-right {
  padding-right: 0;
}

.main-desc-market-content-main-country {
  width: 48%;
  margin: 0 auto;
}

.main-desc-product {
  margin-top: 76px;
}

.main-desc-product-list {
  margin-top: 30px;
}

.main-desc-product-list > li {
  width: 48%;
  height: 210px;
  background: url(../images/bg_product.png) no-repeat;
  background-size: 100% 100%;
  margin-bottom: 30px;
  padding: 32px 44px;
  justify-content: flex-start;
  box-sizing: border-box;
}

.main-desc-product-list-icon {
  width: 115px;
}

.main-desc-product-list-desc {
  flex: 1;
  margin-left: 8%;
}

.main-desc-product-list-desc-title {
  font-size: 30px;
  color: #ffffff;
  margin-bottom: 20px;
}

.main-desc-product-list-desc-list-item {
  font-size: 18px;
  margin-bottom: 6px;
  color: #ffffff;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.main-desc-product-list-desc-list-item-full {
  width: 100%;
}

.main-desc-product-list-desc-list-item-auto {
  width: 50%;
}

.main-top-data-mb {
  display: none;
}

.main-top-banner-logo-mb {
  display: none;
}

.main-desc-market-content-mb {
  display: none;
}

@media only screen and (max-width: 1400px) {
  .main-top-banner-desc-title {
    font-size: 3rem;
  }

  .main-top-banner-desc-subtitle {
    font-size: 1.8rem;
  }

  .main-top-banner-desc-list {
    width: 80%;
    justify-content: space-between;
  }

  .main-top-banner-desc-list-title {
    font-size: 1.8rem;
  }

  .main-top-banner-desc-list-desc {
    font-size: 1rem;
  }

  .main-top-data-title {
    font-size: 3rem;
  }

  .main-top-data-subtitle {
    font-size: 1.6rem;
  }

  .main-top-data-content-value {
    font-size: 3rem;
  }

  .main-desc-market-content-list-name {
    font-size: 0.8rem;
  }

  .main-desc-title {
    font-size: 2rem;
  }

  .main-desc-product-list-desc-title {
    font-size: 1.4rem;
  }

  .main-desc-product-list-desc-list-item {
    font-size: 0.9rem;
  }

  .main-desc-market-content-title {
    font-size: 1.6rem;
  }
}

@media only screen and (max-width: 1040px) {
  .main-case {
    height: auto;
    padding-bottom: 3rem;
    background: url(../images/bg_case_mb.png) no-repeat;
    background-size: 100% 100%;
  }

  .main-desc {
    margin-top: -1rem;
  }

  .main-top-banner {
    padding-top: 2rem;
  }

  .main-top-banner-logo-pc {
    display: none;
  }

  .main-top-banner-logo-mb {
    width: 30%;
    margin: 0.8rem auto;
    display: block;
  }

  .main-top-banner-desc {
    margin-left: 0;
  }

  .main-top-banner-desc-title {
    font-size: 0.8rem;
  }

  .main-top-banner-desc-subtitle {
    font-size: 0.5rem;
  }

  .main-top-banner-desc-list {
    width: 100%;
  }

  .main-top-banner-desc-list-title {
    font-size: 0.46rem;
  }

  .main-top-banner-desc-list-desc {
    font-size: 0.32rem;
  }

  .main-top-data {
    margin-top: 1rem;
  }

  .main-top-data-title {
    font-size: 0.8rem;
  }

  .main-top-data-content-value {
    font-size: 0.8rem;
  }

  .main-top-data-subtitle {
    font-size: 0.6rem;
  }

  .main-top-data-content-name {
    font-size: 0.4rem;
  }

  .main-case-content-title-cn {
    font-size: 0.6rem;
  }

  .main-case-content-title-eng {
    font-size: 1rem;
  }

  .main-desc-market-people p {
    font-size: 0.36rem;
  }

  .main-desc-market-content-title {
    font-size: 0.4rem;
  }

  .main-desc-market-content-list-name {
    font-size: 0.2rem;
  }

  .main-desc-title {
    font-size: 0.6rem;
  }

  .main-desc-product-list > li {
    width: 100%;
  }

  .main-desc-product-list-desc-title {
    font-size: 0.5rem;
  }

  .main-desc-product-list-desc-list-item {
    font-size: 0.32rem;
  }

  .main-emt-top {
    background: transparent;
  }

  .main-top-banner {
    background: url(../images/bg_top_mb.png) no-repeat;
    background-size: 100% 100%;
  }

  .main-top-banner-desc-list {
    width: 80%;
  }

  .main-desc-market-content-pc {
    display: none;
  }

  .main-desc-market-content-mb {
    display: block;
    width: 96%;
    margin: 0 auto;
    padding-bottom: 0.2rem;
    background: url(../images/bg_country_mb.png) no-repeat;
    background-size: 100% 100%;
  }

  .main-desc-market-content-mb-list {
    flex-direction: column;
  }

  .main-desc-market-content-mb-list li {
    color: #ffffff;
    width: 96%;
  }

  .main-desc-market-content-mb-list-title {
    font-size: 0.4rem;
    text-align: center;
    line-height: 0.8rem;
  }

  .main-desc-market-content-mb-list-country {
    width: 40%;
    margin: 0.5rem auto;
  }

  .main-desc-market-content-mb-list-item {
    margin: 0.4rem 0;
  }

  .main-desc-market-content-mb-list-item li {
    width: 33%;
    margin-bottom: 0.3rem;
    justify-content: flex-start;
  }

  .main-desc-market-content-mb-list-item-img {
    width: 32%;
    margin-right: 0.1rem;
  }

  .main-desc-market-content-mb-list-item-name {
    font-size: 0.24rem;
  }
}

@media only screen and (max-width: 767px) {
  .main-emt-top {
    padding-bottom: 0;
  }

  .main-top-banner-desc-title-pc {
    display: none;
  }

  .main-top-banner-desc-title-mb {
    display: block;
    font-size: 0.56rem;
    margin-bottom: 0.2rem;
  }

  .main-top-banner-desc-list {
    width: 96%;
  }

  .main-top-banner-desc-list li {
    background: transparent;
    height: auto;
  }

  .main-top-banner-desc-list-title {
    padding-left: 22%;
    font-size: 0.32rem;
    background: url(../images/icon_item_bg_mb.png) no-repeat;
    background-size: 100% 100%;
  }

  .main-top-banner-desc-subtitle {
    font-size: 0.32rem;
    letter-spacing: 0;
  }

  .main-top-banner-logo-mb {
    width: 40%;
  }

  .main-top-banner-desc-list-desc {
    font-size: 0.26rem;
  }

  .main-top-data-title {
    font-size: 0.46rem;
    letter-spacing: 0.25rem;
  }

  .main-top-data-subtitle {
    font-size: 0.26rem;
    margin-top: -0.2rem;
  }

  .main-top-data-content {
    display: none;
  }

  .main-top-data-mb {
    display: block;
    margin-top: 0.2rem;
  }

  .main-top-data-mb-list {
    align-items: center;
  }

  .main-top-data-mb-list li {
    width: 48%;
    text-align: center;
    margin-bottom: 0.6rem;
  }

  .main-top-data-mb-list img {
    width: 1px;
    height: 80px;
  }

  .main-top-data-content-value {
    font-size: 0.6rem;
    font-weight: 600;
  }

  .main-top-data-content-name {
    font-size: 0.28rem;
    margin-top: -0.1rem;
  }

  .main-case-content-title {
    width: 88%;
    margin: -1.3rem auto 0.2rem;
  }

  .main-case-content-title-cn {
    font-size: 0.48rem;
  }

  .main-case-content-title-eng {
    font-size: 0.4rem;
    margin-top: -0.2rem;
  }

  .main-case-content {
    margin-top: 1.6rem;
  }

  .main-case-content-body {
    width: 96%;
    margin: 0 auto;
  }

  .main-desc {
    background: transparent;
  }

  .main-desc-title {
    font-size: 0.48rem;
  }

  .main-desc-market-people {
    margin: 0.1rem auto 0.3rem;
  }

  .main-desc-market-people p {
    font-size: 0.3rem;
  }

  .main-desc-product {
    width: 96%;
    margin: 0.4rem auto 0;
  }

  .main-desc-product-list {
    margin-top: 0.2rem;
  }

  .main-desc-product-list > li {
    height: auto;
    padding: 0.2rem 0.3rem;
    margin-bottom: 0.2rem;
  }

  .main-desc-product-list-icon {
    width: 16%;
  }

  .main-desc-product-list-desc {
    margin-left: 0.3rem;
  }

  .main-desc-product-list-desc-title {
    font-size: 0.32rem;
    margin-bottom: 0.1rem;
    font-weight: 600;
  }

  .main-desc-product-list-desc-list-item {
    font-size: 0.26rem;
  }
}