html {
  font-size: 5.20833333vw;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.banner {
  width: 100%;
  background: #F4F8FF;
  padding: 0.8rem 0;
  box-sizing: border-box;
}
nav {
  height: 96px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}
nav > img {
  height: 0.74rem;
}
nav > ul {
  display: flex;
  justify-content: center;
}
nav > ul > li {
  font-size: 22px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #000;
  margin-right: 0.87rem;
}
nav > ul > li.nav4 {
  margin-right: 0;
}
nav > ul > li a {
  display: inline-block;
  padding: 7px 0;
  border-bottom: 3px solid transparent;
}
.section1 {
  width: 100%;
  height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 0 1.33rem 0 2.4rem;
}
.section1 .banner_logo {
  width: 8.38rem;
}
.section1 .left-box .text-bg {
  width: 6.68rem;
  margin-bottom: 1.15rem;
}
.section1 .left-box .download {
  width: 3.68rem;
}
.main {
  width: 100%;
  box-sizing: border-box;
}
.main .section2 {
  background-color: #fff;
  box-sizing: border-box;
  padding: 1.6rem 2.4rem;
  text-align: center;
}
.main .section2 > .title {
  width: 7.66rem;
}
.main .section2 > ul {
  margin-top: 1.37rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.main .section2 > ul > li {
  text-align: center;
  margin-right: 0.28rem;
}
.main .section2 > ul > li:nth-child(2) {
  margin-top: -0.49rem;
}
.main .section2 > ul > li:nth-child(2) > .number {
  background-color: #FFAB44;
}
.main .section2 > ul > li:nth-child(3) {
  margin-right: 0rem;
}
.main .section2 > ul > li > .number {
  margin: 0 auto;
  background-color: #0453F4;
  width: 0.98rem;
  height: 0.98rem;
  font-size: 0.4rem;
  line-height: 0.98rem;
  color: #fff;
  margin-bottom: 1.65rem;
  border-radius: 50%;
}
.main .section2 > ul > li .s-title {
  font-size: 0.4rem;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 0.48rem;
}
.main .section2 > ul > li .s-content {
  font-size: 0.3rem;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #4F4F4F;
  line-height: 0.48rem;
  width: 4.61rem;
}
.main .section3 {
  padding: 2rem 1.2rem;
  box-sizing: border-box;
  background-color: #F8FAFF;
}
.main .section3 > ul {
  display: flex;
  align-items: center;
}
.main .section3 > ul > li {
  margin-right: 0.42rem;
}
.main .section3 > ul > li:nth-child(1) > img {
  display: block;
}
.main .section3 > ul > li:nth-child(1) > img:nth-child(1) {
  margin-bottom: 0.5rem;
  width: 4.19rem;
}
.main .section3 > ul > li:nth-child(1) > img:nth-child(2) {
  width: 3.87rem;
}
.main .section3 > ul > li:nth-child(3) > .box {
  margin-bottom: 0.32rem;
}
.main .section3 > ul > li:nth-child(3) > .box .title {
  font-size: 0.36rem;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #246BFB;
  line-height: 0.48rem;
  margin-bottom: 0.12rem;
}
.main .section3 > ul > li:nth-child(3) > .box .content {
  font-size: 0.3rem;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #4F4F4F;
  line-height: 0.48rem;
}
.main .section4 {
  background-color: #fff;
  padding: 1rem 0;
  box-sizing: border-box;
  text-align: center;
}
.main .section4 .title {
  font-size: 0.6rem;
  color: #246BFB;
  font-weight: bold;
  margin-bottom: 0.2rem;
}
.main .section4 .title-two {
  font-size: 0.4rem;
  color: #000000;
  margin-bottom: 1rem;
}
.main .section4 .button-line {
  margin: 0 auto;
  background: linear-gradient(180deg, #709FFF 0%, #3978F9 100%);
  box-shadow: 0px 2px 6px 0px rgba(4, 83, 244, 0.5);
  border-radius: 1rem;
  font-family: PingFang SC, PingFang SC;
  font-weight: 600;
  font-size: 0.4rem;
  color: #FFFFFF;
  line-height: 0.48rem;
  text-align: left;
  width: 14.4rem;
  height: 1.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  box-sizing: border-box;
}
.main .section4 .button-line .button-text {
  background: linear-gradient(180deg, #FFAB44 0%, #F48F11 100%);
  box-shadow: 0px 2px 6px 0px rgba(251, 153, 32, 0.5);
  border-radius: 43px;
  font-family: PingFang SC, PingFang SC;
  font-weight: 500;
  font-size: 0.4rem;
  color: #FFFFFF;
  line-height: 0.5rem;
  width: 3rem;
  height: 0.88rem;
  text-align: center;
  line-height: 0.88rem;
}
.footer {
  width: 100%;
  height: 1.9rem;
  background: #246BFB;
  padding: 0.25rem 2.4rem;
  box-sizing: border-box;
  color: #fff;
}
.footer > ul {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.footer > ul > li {
  font-size: 0.16rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  line-height: 0.22rem;
}
.footer > ul > li .frist {
  font-size: 0.2rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  line-height: 0.28rem;
  margin-bottom: 0.18rem;
}
.footer > ul > li .frist > img {
  margin-left: 0.1rem;
  width: 0.48rem;
  vertical-align: middle;
}
.footer > ul > li:nth-of-type(1) > img {
  width: 3rem;
  margin-top: 0.24rem;
}
.footer > ul > li:nth-of-type(1) > div {
  font-size: 0.16rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 0.22rem;
}
.footer > ul > li:nth-of-type(2) {
  margin-right: 2rem;
}
.footer > ul > li:nth-of-type(2) > div {
  margin-bottom: 0.12rem;
}
.footer > ul > li:nth-of-type(3) > ul {
  display: flex;
  justify-content: center;
}
.footer > ul > li:nth-of-type(3) > ul > li > img {
  width: 0.38rem;
  margin-right: 0.24rem;
}