html {
  font-size: 5.20833333vw;
}
.container {
  width: 100%;
  max-width: 15rem;
  margin: 0 auto;
}
body {
  background-color: #F7F7F7;
}
.banner {
  width: 100%;
  padding: 0.8rem 0;
  box-sizing: border-box;
}
nav {
  cursor: pointer;
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}
nav > img {
  height: 0.96rem;
}
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 {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  box-sizing: border-box;
  position: relative;
  padding-top: 0.65rem;
  padding-bottom: 2rem;
}
.section1 .left {
  position: relative;
  z-index: 10;
}
.section1 .left .one {
  font-size: 0.7rem;
  font-family: HarmonyOS Sans SC-Bold, HarmonyOS Sans SC;
  font-weight: bold;
  color: #000000;
  line-height: 0.94rem;
}
.section1 .left .two {
  font-size: 0.7rem;
  font-family: HarmonyOS Sans SC-Bold, HarmonyOS Sans SC;
  font-weight: bold;
  color: #000000;
  line-height: 0.94rem;
  margin-bottom: 0.95rem;
}
.section1 .left .three {
  font-size: 0.48rem;
  font-family: HarmonyOS Sans SC-Regular, HarmonyOS Sans SC;
  font-weight: 400;
  color: #000000;
  line-height: 0.28rem;
  margin-bottom: 0.98rem;
}
.section1 .left .download {
  width: 3.36rem;
  height: 1rem;
  color: #fff;
}
.section1 .right {
  width: 5.88rem;
  position: absolute;
  right: 0;
}
.main {
  width: 100%;
  box-sizing: border-box;
  padding-left: 2rem;
  padding-right: 2rem;
}
.main .section2 {
  text-align: center;
  margin-bottom: 1.47rem;
}
.main .section2 .title {
  margin-bottom: 0.5rem;
  color: #000000;
  font-size: 0.64rem;
  font-weight: bold;
}
.main .section2 .content > ul {
  display: flex;
}
.main .section2 .content > ul > li {
  background-color: #fff;
  padding: 0.24rem 0.4rem;
  box-sizing: border-box;
  margin-right: 0.7rem;
}
.main .section2 .content > ul > li > img {
  width: 2rem;
  margin-bottom: 0.16rem;
}
.main .section2 .content > ul > li > .s-title {
  font-size: 0.36rem;
  font-family: HarmonyOS Sans-Bold, HarmonyOS Sans;
  font-weight: bold;
  color: #000000;
  line-height: 0.42rem;
  margin-bottom: 0.58rem;
  width: 3.58rem;
}
.main .section2 .content > ul > li > .s-content {
  font-size: 0.32rem;
  font-family: HarmonyOS Sans-Regular, HarmonyOS Sans;
  font-weight: 400;
  color: #353535;
  line-height: 0.38rem;
  width: 3.74rem;
}
.main .section3 {
  text-align: center;
  padding-bottom: 1.3rem;
}
.main .section3 .title {
  font-size: 0.64rem;
  font-family: HarmonyOS Sans SC-Bold, HarmonyOS Sans SC;
  font-weight: bold;
  color: #000000;
  line-height: 0.75rem;
}
.main .section3 .content {
  display: flex;
  justify-content: center;
  align-items: center;
}
.main .section3 .content > .left {
  width: 6.05rem;
  margin-right: 1.44rem;
}
.main .section3 .content .right {
  background: url('../img/pc/box3/right-banner.png') no-repeat top left / 100% auto;
  width: 6.07rem;
  height: 7.45rem;
  box-sizing: border-box;
  padding-top: 0.38rem;
}
.main .section3 .content .right > ul > li {
  border: 2px solid #000;
  background-color: #fff;
  border-radius: 0.32rem;
  box-sizing: border-box;
  padding: 0.3rem 0.33rem;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 0.21rem;
  margin-left: -1rem;
  width: 6.3rem;
}
.main .section3 .content .right > ul > li > img {
  width: 1.2rem;
  margin-right: 0.48rem;
}
.main .section3 .content .right > ul > li > div > p {
  font-size: 0.48rem;
  font-family: Montserrat-Medium, Montserrat;
  font-weight: 500;
  color: #353539;
  line-height: 0.68rem;
}
.main .section3 .content .right > ul > li.eg {
  margin-left: 0;
}
.main .section3 .content .right > ul > li.eg > div {
  margin-right: 1.5rem;
}
.main .section4 {
  padding: 1rem 2.31rem;
  box-sizing: border-box;
  background-color: #ECF4FF;
}
.main .section4 .bg {
  width: 14.4rem;
  height: 5.89rem;
  background: url('../img/pc/box4/bg.png') no-repeat top left / 100% 100%;
  color: #fff;
  padding-top: 2.74rem;
  padding-left: 0.42rem;
  box-sizing: border-box;
}
.main .section4 .bg .title {
  font-size: 0.64rem;
  font-family: DIN-BlackItalic-Regular, DIN-BlackItalic;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 1.44rem;
}
.main .section4 .bg .tips {
  width: 7.75rem;
  font-size: 0.28rem;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 0.44rem;
}
.footer {
  width: 100%;
  height: 1.9rem;
  background: #E5EADC;
  padding: 0.25rem 2.4rem;
  box-sizing: border-box;
}
.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;
  color: #353539;
  line-height: 0.22rem;
}
.footer > ul > li .frist {
  font-size: 0.2rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #353539;
  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: #353539;
  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;
}