.oa-banner-logo {
  height: 40px;
  margin: 0 auto;
  margin-bottom: 22px;
}

.index-banner-wrap {
  width: auto;
}

.oa-banner-bg {
  background: url(../images/oa/banner.jpg) no-repeat;
  background-size: cover;
  background-position: center;
}

.shop-banner-title {
  font-size: 44px;
  line-height: 62px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 40px;
}

.shop-banner-desc {
  font-size: 28px;
  line-height: 46px;
  font-weight: 400;
  color: #fff;
  margin-bottom: 46px;
  text-align: center;
}

.oa-product-title {
  font-size: 40px;
  color: rgba(0, 0, 0, 0.90);
  line-height: 64px;
  font-weight: 500;
  margin-bottom: 64px;
}

.oa-product-content {
  display: flex;
}

.oa-product-img {
  width: 50%;
}

.oa-product-intro {
  width: 50%;
  background: url(../images/oa/product-intro.jpg) no-repeat;
  background-size: 100% 100%;
  padding-left: 88px;
  display: flex;
  align-items: center;
}

.oa-product-info {
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 480px;
  max-width: 90%;
}

.oa-product-intro img {
  width: 173px;
  height: 48px;
  margin-bottom: 20px;
}

.oa-product-intro p {
  font-size: 20px;
  font-weight: 400;
  line-height: 40px;
  color: #fff;
}

.oa-synergy-title {
  font-size: 40px;
  line-height: 56px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.9);
  text-align: center;
  margin-bottom: 64px;
}

.oa-synergy-content {
  display: flex;
}

.oa-synergy-content li {
  flex: 1;
  margin-right: 36px;
  border-radius: 18px;
}

.oa-synergy-content li:last-child {
  margin-right: 0;
}

.oa-synergy-content li:hover {
  transform: scale(1.05);
  transition: all 0.5s;
  box-shadow: 3px -3px 10px rgba(0, 0, 0, .3);
}

.oa-synergy-img {
  width: 100%;
  margin-bottom: 32px;
}

.oa-sc-title {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  font-size: 28px;
  color: rgba(0, 0, 0, 0.90);
  line-height: 40px;
  font-weight: 500;
  margin-bottom: 32px;
}

.oa-sc-title img {
  width: 48px;
  height: 48px;
  margin-right: 12px;
}

.oa-sc-desc {
  margin: 0 32px 16px;
  font-size: 18px;
  line-height: 32px;
  color: rgba(0, 0, 0, 0.90);
  font-weight: 400;
}

.oa-module-bg {
  background: url(../images/oa/module-bg.jpg) no-repeat;
  background-size: cover;
  background-position: center;
}

.oa-module-title {
  font-size: 40px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.90);
  line-height: 64px;
  text-align: center;
  margin-bottom: 84px;
}

.oa-module-content {
  display: flex;
}

.oa-module-content li {
  flex: 1;
  margin-right: 20px;
  padding: 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .6);
}

.oa-module-content li:last-child {
  margin-right: 0;
}

.oa-mc-title {
  font-size: 28px;
  color: #333;
  font-weight: bold;
  text-align: center;
  line-height: 40px;
  margin-bottom: 8px;
}

.oa-mc-desc {
  font-size: 18px;
  line-height: 28px;
  color: #333;
}

.oa-customer-bg {
  background: #F2F5F8;
}

.oa-customer-title {
  font-size: 40px;
  color: rgba(0, 0, 0, 0.90);
  font-weight: 500;
  line-height: 72px;
  text-align: center;
  margin-bottom: 24px;
}

.oa-customer-desc {
  font-size: 24px;
  line-height: 64px;
  color: #666;
  font-weight: 400;
  margin-bottom: 84px;
  text-align: center;
}

.oa-preponderance-title {
  font-size: 40px;
  line-height: 66px;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.90);
  text-align: center;
  margin-bottom: 24px;
}

.oa-preponderance-desc {
  font-size: 24px;
  font-weight: 400;
  line-height: 36px;
  color: #3D3D3D;
  text-align: center;
  margin-bottom: 64px;
}

.oa-preponderance-content {
  display: flex;
}

.oa-pc-wrap {
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.oa-pc-item {
  display: flex;
  margin-bottom: 36px;
}

.oa-pc-wrap li:last-child {
  margin-bottom: 0;
}

.oa-pc-num {
  height: 54px;
  width: 62px;
  text-align: center;
  line-height: 60px;
  font-size: 28px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.90);
  background: url(../images/oa/preponderance-icon.png) no-repeat;
  background-size: 100% 100%;
  margin-right: 36px;
}

.oa-pc-item p {
  font-size: 20px;
  font-weight: 400;
  color: #333;
  line-height: 54px;
}

.oa-pc-img {
  width: 50%;
}

.oa-business-bg {
  background: url(../images/bg.jpg) no-repeat;
  background-size: cover;
  background-position: center;
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  opacity: 0.06;
}

.oa-business-title {
  font-size: 40px;
  font-weight: 500;
  line-height: 56px;
  text-align: center;
  margin-bottom: 100px;
}

.oa-business-img {
  width: 100%;
}

.oa-product-wrap {
  padding-bottom: 0;
}

@media (max-width: 900px) {
  .index-banner-wrap {
    width: 90%;
    text-align: center;
  }

  .shop-banner-title {
    font-size: 20px;
  }

  .shop-banner-desc {
    font-size: 16px;
  }

  .oa-product-title {
    font-size: 20px;
    font-weight: 600;
  }

  .oa-product-content {
    flex-direction: column;
  }

  .oa-product-img {
    width: 100%;
  }

  .oa-product-intro {
    width: 100%;
  }

  .oa-product-intro {
    padding-left: 0;
  }

  .oa-product-info {
    width: 90%;
    margin: 0 auto;
  }

  .oa-product-intro img {
    margin-top: 10px;
    margin-bottom: 10px;
  }

  .oa-product-intro p {
    padding: 10px;
    font-size: 14px;
  }

  .oa-synergy-title {
    font-size: 20px;
    font-weight: 600;
  }

  .oa-synergy-content {
    flex-direction: column;
  }

  .oa-synergy-content li {
    margin-right: 0;
  }

  .oa-module-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 42px;
  }

  .oa-module-content {
    flex-direction: column;
  }

  .oa-module-content li {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .oa-mc-title {
    font-size: 20px;
  }

  .oa-mc-desc {
    font-size: 16px;
  }

  .oa-customer-bg {
    display: none;
  }

  .oa-preponderance-title {
    font-size: 20px;
    font-weight: 600;
  }

  .oa-preponderance-desc {
    font-size: 16px;
  }

  .oa-preponderance-content {
    flex-direction: column;
  }

  .oa-pc-wrap {
    width: 100%;
  }

  .oa-pc-num {
    flex-shrink: 0;
    height: 27px;
    width: 31px;
    font-size: 14px;
    line-height: 30px;
    margin-right: 18px;
  }

  .oa-pc-item {
    align-items: center;
  }

  .oa-pc-item p {
    font-size: 16px;
    line-height: 20px;
  }

  .oa-pc-img {
    width: 100%;
  }

  .common-module {
    padding: 84px 0;
  }

  .oa-business-title {
    font-size: 20px;
    font-weight: 600;
  }
}