.container {
  width: 100%;
  background: #f5f5f5;
}

.top {
  width: 100%;
  /* height: 3800px; */
  overflow: hidden;
  background: linear-gradient(180deg, #3585FA 0%, #fff 50%);
}

.nav {
  height: 100px;
  display: flex;
  align-items: center;
  font-weight: 600;
  width: 1440px;
  margin: 0 auto;
}

.logo-index {
  width: 98px;
  height: 98px;
  margin-left: 120px;
}

.logo-index img {
  width: 98px;
  height: 98px;
}

.about {
  margin-left: auto;
  margin-right: 50px;
}

.about.active {
  font-weight: 700;
  color: rgba(0, 255, 238, 1);
}

.contact {
  margin-right: 120px;
}

.banner {
  width: 1440px;
  height: 600px;
  margin: 0 auto;
  display: flex;
  background: rgba(9, 92, 217, 1);
  position: relative;
}

.about-banner {
  width: 1440px;
  height: 600px;
}

.banner-text {
  width: 520px;
  height: 600px;
  position: absolute;
  left: 460px;
  top: 0;
}

.banner-text p {
  color: #fff;
  text-align: center;
}

.banner-text p:nth-child(1) {
  font-size: 50px;
  font-weight: 700;
  margin-top: 246px;
}

.banner-text p:nth-child(2) {
  font-size: 50px;
  font-weight: 100;
}

.banner-text p:nth-child(3) {
  font-size: 30px;
  font-weight: 700;
  margin-top: 70px;
}

.banner-text p:nth-child(4) {
  font-size: 30px;
  font-weight: 700;
}

.logo-box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 60px 0 40px 0;
}

.about-logo {
  width: 222px;
  height: 79px;
}

.introduce-box {
  width: 1180px;
  /* height: 660px; */
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.introduce-box .about-logo {
  width: 1180px;
  height: 444px
}

.introduce-box p {
  width: 1180px;
  color: rgba(98, 98, 98, 1);
  font-size: 16px;
  line-height: 36px;
  margin-top: 20px;
}

.mission {
  width: 440px;
  height: 103px;
  margin: 120px auto 30px;
  display: inline-block;
}

.service {
  width: 1301px;
  /* height: 551px; */
  height: 1000px;
  margin: 80px auto 0;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.service .service-img {
  width: 1301px;
  height: 551px;
}

.service .technology-img {
  width: 705px;
  height: 103px;
  margin-top: 135px;
}

.service p {
  width: 1180px;
  font-size: 16px;
  font-weight: 400;
  line-height: 36px;
  color: rgba(98, 98, 98, 1);
  margin-top: 30px;
}

.team {
  /* width: 1920px;
  height: 500px;
  margin: 0 auto; */
  width: 100%;
  aspect-ratio: 3.84;
}

.team img {
  width: 100%;
  height: 100%;
}

.mode {
  width: 1104px;
  height: 300px;
  margin: 80px auto 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mode-img {
  width: 486px;
  height: 103px;
}

.mode p {
  width: 710px;
  height: 144px;
  font-size: 16px;
  font-weight: 400;
  line-height: 36px;
  color: rgba(98, 98, 98, 1);
}

.footer {
  width: 1440px;
  height: 330px;
  background: rgba(41, 126, 250, 1);
  margin: 0 auto 0;
  position: relative;
}

.service-img {
  width: 300px;
  height: 258px;
}

.footer-mian {
  width: 1180px;
  margin: 0 auto;
  padding-top: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-mian .footer-logo {
  width: 211px;
  height: 81px;
}

.footer-contact .title {
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 30px;
}

.footer-contact .tel {
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 1);
  margin-bottom: 10px;
}

.footer .rights {
  font-size: 16px;
  color: #fff;
  text-align: center;
  margin-top: 60px;
}

.footer .line {
  width: 92%;
  height: 1px;
  background: #fff;
  opacity: 0.32;
  position: absolute;
  bottom: 100px;
  left: 4%;
}