* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

::-webkit-scrollbar {
  width: 0;
  height: 0;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: transparent;
}

@font-face {
  font-family: "MiSans Normal";
  src: url(../font/misans/MiSans-Normal.ttf);
  font-display: swap;
}

@font-face {
  font-family: "MiSans Demibold";
  src: url(../font/misans/MiSans-Demibold.ttf);
  font-display: swap;
}

@font-face {
  font-family: "SourceHanSansCN Regular";
  src: url(../font/SourceHanSansCN/SourceHanSansCN-Regular.otf);
  font-display: swap;
}
@font-face {
  font-family: "SourceHanSansCN Bold";
  src: url(../font/SourceHanSansCN/SourceHanSansCN-Bold.otf);
  font-display: swap;
}
@font-face {
  font-family: "SourceHanSansCN Normal";
  src: url(../font/SourceHanSansCN/SourceHanSansCN-Normal.otf);
  font-display: swap;
}
@font-face {
  font-family: "SourceHanSansCN Medium";
  src: url(../font/SourceHanSansCN/SourceHanSansCN-Medium.otf);
  font-display: swap;
}

body {
  overflow-x: hidden;
  width: 100%;
  height: 100%;
}

.banner {
  width: 100vw;
  background-image: url("../img/banner.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: right;
  height: calc((900 / 1800) * 100vw);
  padding-left: calc((247 / 1800) * 100vw);
  padding-top: calc((62 / 1800) * 100vw);
}
.banner img {
  width: calc((312 / 1800) * 100vw);
  margin-bottom: calc((217 / 1800) * 100vw);
  height: auto;
}
.banner .banner-title {
  font-family: MiSans Normal;
  font-size: calc((61 / 1800) * 100vw);
  color: #0e2e69;
  line-height: calc((81 / 1800) * 100vw);
  text-align: left;
  margin-bottom: calc((17 / 1800) * 100vw);
}
.banner .banner-sub-title {
  font-family: MiSans Demibold;
  font-weight: 600;
  font-size: calc((61 / 1800) * 100vw);
  color: #216fff;
  line-height: calc((81 / 1800) * 100vw);
  text-align: left;
  margin-bottom: calc((117 / 1800) * 100vw);
}
.banner-text {
  font-family: MiSans Normal;
  font-size: calc((20 / 1800) * 100vw);
  color: #0e2e69;
  line-height: calc((36 / 1800) * 100vw);
  text-align: left;
  padding-right: calc((857 / 1800) * 100vw);
}

.about {
  background: #f1f5fe;
  font-size: width: calc((14 / 1800) * 100vw);
  color: #25344a;
  line-height:  width: calc((23 / 1800) * 100vw);
  text-align: left;
  font-family: SourceHanSansCN Regular;
  display: flex;
  padding-left: calc((209 / 1800) * 100vw);
  padding-top: calc((146 / 1800) * 100vw);
  padding-bottom: calc((102 / 1800) * 100vw);
  padding-right: calc((274 / 1800) * 100vw);
  height: calc((570 / 1800) * 100vw);
  font-size: calc((14 / 1800) * 100vw);
}
.about img {
  width: calc((485 / 1800) * 100vw);
}
.about-wrap {
  margin-left: calc((80 / 1800) * 100vw);
}
.about-wrap img {
  width: calc((418 / 1800) * 100vw);
}
.about-wrap p {
  margin-bottom: calc((22 / 1800) * 100vw);
}
.about-wrap em {
  font-family: SourceHanSansCN Bold;
  font-style: normal;
}

.advantages {
  background-image: url("../img/advantages.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  color: #25344a;
  height: calc((700 / 1800) * 100vw);
  padding: calc((90 / 1800) * 100vw) calc((200 / 1800) * 100vw) calc((200 / 1800) * 100vw);
}
.advantages-title {
  font-family: SourceHanSansCN Bold;
  font-weight: bold;
  font-size: calc((27 / 1800) * 100vw);
  line-height: calc((39 / 1800) * 100vw);
  text-align: center;
  position: relative;
  margin-bottom: calc((54 / 1800) * 100vw);
}
.advantages-title::after {
  content: "";
  position: absolute;
  bottom: -0.9375rem;
  left: 50%;
  transform: translateX(-50%);
  width: 8vw;
  max-width: 80px;
  height: 0.1875rem;
  background: #25344a;
}
.advantages-wrap {
  display: flex;
  justify-content: space-between;
}
.advantages-item {
  width: calc((400 / 1800) * 100vw);
  height: calc((330 / 1800) * 100vw);
  background: #fff;
  box-shadow: 0px 2px 20px 0px #E4E9FD;
  border-radius: 26px;
  text-align: center;
  align-content: center;
}
.advantages img {
  width: calc((104 / 1800) * 100vw);
  height: auto;
  margin-bottom: calc((35 / 1800) * 100vw);
}
.advantages h3 {
  font-family: SourceHanSansCN Bold;
  font-weight: bold;
  font-size: calc((20 / 1800) * 100vw);
  line-height: calc((30 / 1800) * 100vw);
  margin-bottom: calc((20 / 1800) * 100vw);
}
.advantages p {
  font-family: SourceHanSansCN Normal;
  font-weight: bold;
  font-size: calc((14 / 1800) * 100vw);
  line-height: calc((21 / 1800) * 100vw);
}

.solution {
  background-image: url("../img/solution.jpg");
  background-size: 100% 100%;
  color: #ffffff;
  height: calc((761 / 1800) * 100vw);
  display: flex;
  align-items: center;
  padding-left: calc((290 / 1800) * 100vw);
}
.solution-title {
  font-family: SourceHanSansCN Bold;
  font-weight: bold;
  font-size: calc((30 / 1800) * 100vw);
  line-height: calc((46 / 1800) * 100vw);
  text-align: left;
  margin-bottom: calc((60 / 1800) * 100vw);
  position: relative;
}
.solution-title::after {
  content: "";
  position: absolute;
  bottom: -0.9375rem;
  left: 0;
  width: calc((46 / 1800) * 100vw);
  height: 0.1875rem;
  background: #fff;
}
.solution-item-top {
  margin-top: calc((50 / 1800) * 100vw);
}
.solution-item {
  font-family: SourceHanSansCN Medium;
  font-weight: 500;
  font-size: calc((38 / 1800) * 100vw);
  line-height: calc((57 / 1800) * 100vw);
  text-align: left;
  margin-bottom: calc((24 / 1800) * 100vw);
}
.solution-text {
  font-family: SourceHanSansCN Normal;
  font-size: calc((18 / 1800) * 100vw);
  line-height: calc((26 / 1800) * 100vw);
  text-align: left;
  width: calc((480 / 1800) * 100vw);
}

.contact {
  background-image: url("../img/contact.jpg");
  background-size: 100% 100%;
  height: calc((760 / 1800) * 100vw);
  padding-left: calc((260 / 1800) * 100vw);
  padding-top: calc((130 / 1800) * 100vw);
  position: relative;
}
.contact img{
  width: calc((400 / 1800) * 100vw);
  margin-bottom: calc((40 / 1800) * 100vw);
}
.contact p {
  font-family: SourceHanSansCN Regular;
  font-size: calc((27 / 1800) * 100vw);
  line-height: calc((51 / 1800) * 100vw);
  text-align: left;
}
.contact-address {
  color: #2973eb;
  margin-bottom: calc((60 / 1800) * 100vw);
}
.contact-phone {
  color: #196be8;
}
.contact-footer {
  position: absolute;
  bottom: 3vw;
  left: 0;
  width: 100%;
  color: #ACBCD6;
}

.contact-footer p {
  text-align: center;
  font-size: calc((16 / 1800) * 100vw);
  line-height: calc((21 / 1800) * 100vw);
}

.contact-footer :last-child {
  font-size: calc((14 / 1800) * 100vw);
  line-height: calc((21 / 1800) * 100vw);
}

.contact-footer a {
  margin-left: 0.5vw;
  color: #2973EB;
  text-decoration: none;
}

@media screen and (max-width: 1440px) {
  .banner .banner-title,
  .banner .banner-sub-title {
    font-size: calc((50 / 1400) * 100vw);
    line-height: calc((68 / 1400) * 100vw);
  }
  .banner-text {
    font-size: 16px;
    line-height: 1.5;
  }
  .about {
    font-size: 14px;
  }
  .advantages-title {
    font-size: 22px;
    line-height: 1.5;
  }
  .advantages h3 {
    font-size: 20px;
    line-height: 1.5;
  }
  .advantages p {
    font-size: 14px;
    line-height: 1.5;
  }
  .solution-title {
    font-size: 24px;
    line-height: 1.5;
  }
  .solution-item {
    font-size: 30px;
    line-height: 1.5;
  }
  .solution-text {
    font-size: 14px;
    line-height: 1.5;
  }
  .contact p {
    font-size: 20px;
    line-height: 1.5;
  }
  .contact-footer p {
    font-size: 14px;
    line-height: 1.5;
  }
  .contact-footer :last-child {
    font-size: 12px;
    line-height: 1.5;
  }
}
@media screen and (max-width: 992px) {
  .advantages h3 {
    font-size: 16px;
  }
  .advantages p {
    font-size: 14px;
  }
  .about {
    font-size: 10px;
  }
  .solution-item {
    font-size: 20px;
  }
}

@media screen and (max-width: 767px) {
  .solution-carousel {
    position: relative;
    overflow: hidden;
  }
  
  .carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
  }
  
  .solution-item-container {
    flex: 0 0 100%;
    transition: opacity 0.5s ease;
    margin-bottom: 0;
    padding-right: 10vw;
  }
  
  .solution-indicators {
    display: flex;
    gap: 8px;
    margin-top: 14px;
  }
  
  .indicator {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    cursor: pointer;
  }
  
  .indicator.active {
    background-color: #ffffff;
    width: 24px;
    border-radius: 4px;
  }
  .banner {
    height: calc((1000 / 1800) * 100vw);
    background-size: cover;
    background-position:  center right;
    padding-left: 8vw;
    overflow: hidden;
  }
  .banner img {
    width: 30vw;
    margin-bottom: 8vw;
  }
  .banner-text{
    font-size: 10px;
    line-height: 1.5;
  }

  .about,
  .advantages-wrap {
    flex-direction: column;
    align-items: center;
    gap: 10vw;
  }

  .about{
    height: auto;
    font-size: 12px;
    line-height: 1.5;
  }

  .about img{
    width: 100%;
  }
  .about-wrap{
    margin-left: 0;
  }

  .advantages{
    height: auto;
    background-size: 100% 100%;
  }

  .advantages-title{
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 10vw;
  }
  .advantages-item{
    border-radius: 16px;
  }
  .advantages-item img{
    width: 20vw;
    height: auto;
  }
  .advantages-item h3{
    font-size: 16px;
    line-height: 1.5;
  }
  .advantages-item p{
    font-size: 14px;
    line-height: 1.5;
  }

  .advantages-item{
    width: 100%;
    height: 250px;
  }

  .solution {
    height: calc((1000 / 1800) * 100vw);
    background-size: cover;
    background-position: center;
    padding-left: 6vw;
  }
  .solution-title{
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 0;
  }
  .solution-title::after{
    display: none;
  }
  .solution-item{
    font-size: 14px;
    padding-bottom: 3vw;
    margin-top: 3vw;
  }
  .solution-text{
    font-size: 12px;
    width: 45%;
    line-height: 1.5;
  }

  .contact {
    height: calc((1000 / 1800) * 100vw);
    background-size: cover;
    padding-top: 3vw;
    padding-left: 6vw;
  }

  .contact img {
    width: 40vw;
  }
  .contact p {
    font-size: 12px;
  }
  .contact-footer p{
    font-size: 10px;
    line-height: 1.5;
  }
  .contact-footer :last-child{
    font-size: 8px;
    line-height: 1.5;
  }
  .contact-footer a{
    font-size: 8px;
    line-height: 1.5;
  }
}