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

.about-banner-title {
  font-size: 44px;
  color: #fff;
  font-weight: 600;
  line-height: 62px;
  letter-spacing: 5px;
  margin-bottom: 42px;
}

.about-banner-desc {
  font-size: 28px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 46px;
  letter-spacing: 2px;
  text-align: center;
}

.about-us-bg {
  background: url(../images/about/us-bg.png) no-repeat;
  background-size: cover;
  background-position: center;
  justify-content: flex-end;
}

.about-us-title {
  font-size: 40px;
  color: rgba(0, 0, 0, 0.90);
  font-weight: 500;
  line-height: 64px;
  margin-bottom: 24px;
}

.about-us-desc {
  font-size: 24px;
  color: #666;
  font-weight: 400;
  line-height: 64px;
  margin-bottom: 40px;
}

.about-us-content {
  display: flex;
  width: 100%;
}

.about-us-content>div {
  width: 50%;
}

.about-uc-left {
  display: flex;
  justify-content: center;
  align-items: end;
  flex-direction: column;
}

.about-uc-left span {
  display: block;
  max-width: 600px;
  font-size: 19px;
  font-weight: 400;
  line-height: 50px;
  text-indent: 36px;
}

.about-uc-right img {
  width: calc(100% - 140px);
  height: auto;
  margin: 0 20px 0 120px;
  border-radius: 20px;
}

.about-vision-left img {
  width: calc(100% - 140px);
  height: auto;
  margin-right: 120px;
  border-radius: 20px;
}

.about-vision-right {
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.about-vision-right span {
  display: block;
  max-width: 600px;
  font-size: 19px;
  font-weight: 400;
  line-height: 50px;
  text-indent: 36px;
}

.about-auth-bg {
  background: url(../images/about/auth-bg.png) no-repeat;
  background-size: 83% auto;
  background-position: center;
}

.about-auth-swiper {
  max-width: 1200px;
  width: 90%;
  height: auto;
  margin-top: 72px;
  padding-left: 90px;
  padding-right: 90px;
  position: relative;
}

.about-auth-title {
  font-size: 40px;
  font-weight: 500;
  line-height: 64px;
  color: rgba(0, 0, 0, 0.90);
  margin-bottom: 20px;
}

.about-auth-desc {
  font-size: 24px;
  font-weight: 400;
  line-height: 64px;
  color: #666;
}

.about-auth-swiper {
  height: 400px;
}

.about-auth-swiper .swiper-slide {
  display: flex;
  align-items: center;
}

.about-as-img {
  height: auto;
  width: 260px;
  margin: 0 auto;
}


.swiper-container {
  width: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  height: 400px;

  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  transition-property: all;
}

.swiper-slide-active {
  z-index: 2;
}

.swiper-button-prev {
  position: absolute;
  width: 40px;
  height: 40px;
  left: 0px;
  top: 50%;
  transform: translateY(-50%);
  background: url(../images/about/prev.png) no-repeat;
  background-size: 100% 100%;
}

.swiper-button-next {
  position: absolute;
  width: 40px;
  height: 40px;
  right: 0px;
  top: 50%;
  transform: translateY(-50%);
  background: url(../images/about/next.png) no-repeat;
  background-size: 100% 100%;
}

.swiper-button-prev::after,
.swiper-button-next::after {
  display: none;
}

@media screen and (max-width: 1440px) {
  .swiper-button-prev {
    left: 5%;
  }

  .swiper-button-next {
    right: 5%;
  }
}

.about-help-bg {
  background: url(../images/bg.jpg) no-repeat;
  background-size: cover;
  background-position: top center;
  opacity: 0.06;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.about-help-title {
  font-size: 40px;
  color: rgba(0, 0, 0, 0.90);
  font-weight: 500;
  line-height: 66px;
  margin-bottom: 20px;
}

.about-help-desc {
  font-size: 24px;
  color: #666;
  font-weight: 400;
  line-height: 32px;
  margin-bottom: 72px;
}

.about-help-content {
  display: flex;
}

.about-hc-left {
  flex: 2;
  display: flex;
  flex-direction: column;
}

.about-hcl-title {
  font-size: 36px;
  line-height: 50px;
  font-weight: #333;
  font-weight: 500;
  margin-bottom: 48px;
}

.about-hcl-desc {
  font-size: 28px;
  font-weight: 400;
  line-height: 40px;
  color: rgba(0, 0, 0, 0.9);
  margin-bottom: 28px;
}

.about-hcl-btn {
  width: 128px;
  height: 48px;
  text-align: center;
  line-height: 48px;
  color: rgba(255, 255, 255, 0.90);
  font-size: 20px;
  background: #266FE8;
  cursor: pointer;
  border-radius: 3px;
}

.about-hc-right {
  flex: 3;
}

.help-con {
  width: 100%;
}

.question-list {
  font-size: 20px;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.8);
  line-height: 40px;
}

.question-item dt {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
  width: 706px;
  height: 64px;
  line-height: 64px;
  border-radius: 12px;
  text-indent: 1em;
  cursor: pointer;
}

.question-item dt:hover {
  background-color: #F0F4F9;
}

.question-item .question-answer {
  display: none;
  padding: 20px 40px 20px 44px;
}

.question-item {
  width: 750px;
  border: 1px solid transparent;
}

.question-item-active {
  background: #FFFFFF;
  box-shadow: 0px 10px 16px 0px rgba(235, 235, 249, 0.5);
  border-radius: 12px;
  border: 1px solid #EDEDED;
  -webkit-transition: all .5s ease-out 0s;
  -moz-transition: all .5s ease-out 0s;
  transition: all .5s ease-out 0s;
}

.question-item .arrow:before {
  margin-right: 17px;
  display: inline-block;
  vertical-align: middle;
  content: '';
  width: 32px;
  height: 32px;
  background: url(../images/arrow2.png) no-repeat;
}

.question-item-active .arrow:before {
  transform: rotateX(180deg);
  /* transition: all 0.5s; */
}

.question-item-active dt {
  margin: 20px 20px 0 20px;
  background: #F0F4F9;
  font-weight: 600;
}

.question-item .show {
  display: block;
}

.question-item .hide {
  display: none;
}

.about-help-wrap {
  margin: 0 auto;
}

@media (max-width: 900px) {
  .about-banner-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
  }

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

  .about-us-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 0;
  }

  .about-us-desc {
    font-size: 16px;
    margin-bottom: 0;
  }

  .about-us-content {
    flex-direction: column;
    align-items: center;
  }

  .about-us-content>div,
  .about-uc-left,
  .about-uc-right {
    width: 90%;
  }

  .about-uc-right,
  .about-vision-left {
    margin: 30px 0;
  }

  .about-uc-left span,
  .about-vision-right span {
    font-size: 14px;
    line-height: 26px;
  }

  .about-auth-title {
    margin-bottom: 0;
    font-size: 20px;
    font-weight: 600;
  }

  .about-auth-desc {
    font-size: 16px;
  }

  .about-help-title {
    margin-bottom: 0;
    font-size: 20px;
    font-weight: 600;
  }

  .about-help-desc {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .about-help-content {
    flex-direction: column;
  }

  .about-hcl-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 0;
  }

  .about-hcl-desc {
    font-size: 16px;
    margin-bottom: 10px;
  }

  .question-item {
    width: 100%;
    font-size: 16px;
  }

  .question-item dt {
    width: 90%;
    height: 40px;
    line-height: 40px;
  }

  .question-item-active dt {
    margin: 10px 10px 0 10px;
  }

  .question-item .question-answer {
    padding: 10px 20px 10px 22px;
    line-height: 26px;
  }

  .about-hc-right {
    margin-top: 10px;
  }
}