.about {
  padding-top: 30px;
}

.about .title {
  text-align: left;
  margin-bottom: 10px;
}

.about .row>div:last-child {
  margin-top: 20px;
}

.about .sub-info {
  line-height: 1.8;
  max-height: 173px;
  margin-bottom: 20px;
}

.about .sub-info>*:not(:last-child) {
  margin-bottom: 1.8rem;
}

.about .adv-list {
  background-color: var(--style-color);
}

.about .adv-list li img {
  height: 73px;
}

.about .adv-list>li {
  padding: 10px;
  flex-direction: column;
}

.about .adv-list li img {
  height: 65px;
}

.about .tit {
  color: #fff;
  margin-top: 10px;
  text-align: center;
}

.about .info {
  height: 42px;
  font-size: 14px;
  color: #fff;
  text-align: center;
}

@media (min-width: 540px) {
  .about .adv-list {
    display: flex;
    flex-wrap: wrap;
  }

  .about .adv-list li {
    flex: 0 0 50%;
  }
}

@media (min-width: 992px) {
  .about .row>div:last-child {
    margin-top: 0;
  }

  .about .sub-info {
    max-height: 202px;
  }

  .about .adv-list li {
    flex: 0 0 50%;
  }
}

@media (min-width: 1200px) {
  .about {
    padding-top: 80px;
  }

  .about .title {
    margin-bottom: 20px;
  }

  .about .sub-info {
    margin-bottom: 30px;
  }

  .about .sub-info>*:not(:last-child) {
    margin-bottom: 1.8rem;
  }

  .about .adv-list li img {
    height: 73px;
  }
}

@media (min-width: 1440px) {
  .about .row>div:last-child {
    padding-top: 56px;
    padding-left: 45px;
  }

  .about .adv-list {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 800px;
  }

  .about .adv-list li {
    flex: 1;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .about .sub-info {
    max-height: 317px;
  }
}


/* process */
.process {
  padding: 30px 0;
}

.process .title {
  margin-bottom: 20px;
}

.process .lt {
  padding: 40px 20px 60px;
  color: #fff;
  position: relative;
  background: var(--style-color);
}

.process .tit {
  text-align: left;
  margin-bottom: 15px;
}

.process .info {
  line-height: 2;
}

.process .btn-wrap {
  position: absolute;
  left: 20px;
  bottom: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
}

.process .prev-btn, .process .next-btn {
  position: static;
  font-size: 24px;
  transform: translateY(0);
  display: block;
}

.process .prev-btn {
  margin-right: 10px;
}

.process .swiper-pagination {
  position: absolute;
  left: auto;
  right: 20px;
  bottom: 20px;
  width: 40px;
  height: 29px;
  margin-top: 0;
  display: block;
}

.process .swiper-pagination-current {
  font-size: 24px;
}

.process .rt img {
  width: 100%;
  min-height: 450px;
  object-fit: cover;
}

@media (min-width: 992px) {
  .process .row-wrap {
    display: flex;
  }

  .process .lt {
    height: 400px;
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
    padding: 40px;
  }

  .process .info {
    max-height: 192px;
  }

  .process .btn-wrap {
    left: 40px;
    bottom: 40px;
  }

  .process .swiper-pagination {
    right: 40px;
    bottom: 40px;
  }

  .process .rt {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }

  .process .rt img {
    min-height: 500px;
  }
}

@media (min-width: 1200px) {
  .process {
    padding: 60px 0;
  }

  .process .title {
    margin-bottom: 40px;
  }

  .process .tit {
    margin-bottom: 30px;
  }

  .process .btn-wrap {
    left: 40px;
  }

  .process .prev-btn, .process .next-btn {
    font-size: 28px;
  }

  .process .swiper-pagination {
    right: 40px;
  }
}

@media (min-width: 1440px) {
  .process {
    padding: 80px 0;
  }

  .process .lt {
    height: 450px;
    padding: 80px;
  }

  .process .btn-wrap {
    left: 80px;
  }

  .process .swiper-pagination {
    right: 80px;
  }
}

@media (min-width: 1640px) {
  .process .lt {
    height: 550px;
  }
}


/* certificate */
.certificate {
  padding: 30px 0;
  background: #e5eaed;
}

.certificate .title-wrap {
  margin-bottom: 10px;
}

.certificate .swiper-slide {
  text-align: center;
}

@media (min-width: 768px) {
  .certificate .title-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 26px;
  }

  .certificate .btn-wrap {
    display: flex;
  }

  .certificate .prev-btn,
  .certificate .next-btn {
    position: static;
    font-size: 28px;
    font-weight: bold;
    transform: translate(0);
    color: var(--style-color);
  }

  .certificate .prev-btn {
    margin-right: 10px;
  }

  .certificate .swiper-pagination {
    display: block;
  }
}

@media (min-width: 1200px) {
  .certificate {
    padding: 60px 0;
  }
}


/* milestone */
.milestone {
  padding: 30px 0;
}

.milestone .title {
  position: relative;
  margin-bottom: 20px;
}

.milestone .info-group {
  padding: 0 15px;
  position: relative;
}

.milestone .info-wrap {
  margin-bottom: 10px;
}

.milestone .info-title {
  font-weight: bold;
  color: var(--style-color);
}

.milestone .info-desc {
  color: #666;
  height: 48px;
}

.milestone .swiper-pagination {
  height: 20px;
  margin-left: auto;
  margin-right: auto;
}

.milestone .swiper-pagination>* {
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .milestone .swiper-pagination {
    display: flex;
  }
}

@media(min-width:768px) {
  .milestone .container {
    max-width: 100%;
    padding: 0;
  }

  .milestone .swiper-container {
    height: 700px;
  }

  .milestone .swiper-slide {
    display: flex;
    flex-direction: column;
    text-align: center;
  }

  .milestone .swiper-slide:nth-child(even) {
    justify-content: flex-end;
  }

  .milestone .info-group {
    padding: 0;
    position: relative;
  }

  .milestone .info-group::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 150px;
    transform: translateX(-50%);
    background-color: var(--style-color);
    left: 50%;
  }

  .milestone .swiper-slide:nth-child(even) .info-group::after {
    top: -150px;
  }

  .milestone .info-wrap {
    position: absolute;
    width: 100%;
    z-index: 20;
    text-align: left;
    margin-bottom: 0;
  }

  .milestone .swiper-slide:nth-child(odd) .info-wrap {
    bottom: -130px;
    left: 62%;
  }

  .milestone .swiper-slide:nth-child(even) .info-wrap {
    bottom: 220px;
    left: -60%;
  }

  .milestone .info-desc {
    height: 54px;
  }

  .milestone .img img {
    width: 250px;
    border-radius: 10px;
  }

  .milestone .circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
  }

  .milestone .line {
    position: absolute;
    top: 50%;
    width: 100%;
    height: 20px;
    transform: translateY(-50%);
  }
}

@media(min-width:1200px) {
  .milestone {
    padding: 72px 0;
  }

  .milestone .title {
    margin-bottom: 55px;
  }
}

@media(min-width:1640px) {
  .milestone .swiper-container {
    height: 800px;
  }

  .milestone .swiper-slide:nth-child(odd) .img {
    transform: translateX(20%);
  }

  .milestone .swiper-slide:nth-child(even) .img {
    transform: translateX(-20%);
  }

  .milestone .img img {
    width: 300px;
  }

  .milestone .info-group::after {
    height: 193px;
  }

  .milestone .swiper-slide:nth-child(even) .info-group::after {
    top: -193px;
  }

  .milestone .swiper-slide:nth-child(odd) .info-wrap {
    bottom: -140px;
  }

  .milestone .swiper-slide:nth-child(even) .info-wrap {
    bottom: 260px;
  }

  .milestone .line {
    margin-left: 150px;
  }
}