html {
  font-size: 5.20833333vw;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.banner {
  width: 100%;
  background: #FFF9FA;
  box-sizing: border-box;
}
nav {
  cursor: pointer;
  height: 96px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}
nav > img {
  width: 378px;
  height: 120px;
}
nav > ul {
  display: flex;
  justify-content: center;
}
nav > ul > li {
  font-size: 22px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #fff;
  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%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  box-sizing: border-box;
  padding: 0 0;
}
.section1 .introduce {
  width: 50%;
  height: 9.3rem;
  padding: 0.9rem 0.22rem 1.1rem 2.4rem;
  box-sizing: border-box;
}
.section1 .introduce img {
  width: calc(100% - 1.5rem);
  margin-bottom: 0.8rem;
}
.section1 .introduce .text {
  font-size: 0.5rem;
  font-family: Verdana-Bold, Verdana;
  font-weight: bold;
  color: #000000;
  line-height: 0.81rem;
}
.section1 .menu {
  padding: 0.9rem 0 0 0.16rem;
  box-sizing: border-box;
  width: 50%;
  height: 9.3rem;
  background: url("../img/pc/box1/menu_bg.png") no-repeat;
  background-size: 100% 100%;
}
.section1 .menu .nav_text {
  font-size: 0.24rem;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 0.28rem;
}
.section1 > ul > li {
  font-size: 0.96rem;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #353539;
  line-height: 0.96rem;
  -webkit-background-clip: text;
  margin-bottom: 0.32rem;
}
.section1 > ul > li.download {
  width: 3.2rem;
  height: 0.88rem;
  background: url('../img/pc/button.png') no-repeat top left / 100% 100%;
  color: #fff;
  padding-left: 1.3rem;
  padding-top: 0.13rem;
}
.section1 > ul > li.download > div:nth-child(1) {
  font-size: 0.16rem;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 0.28rem;
}
.section1 > ul > li.download > div:nth-child(2) {
  font-size: 0.36rem;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 0.32rem;
}
.main {
  width: 100%;
  box-sizing: border-box;
}
.main .section3 {
  padding: 30px 0;
  box-sizing: border-box;
  text-align: center;
}
.main .section3 .title {
  width: 4.9rem;
  height: 0.9rem;
  margin: 0.7rem 0;
}
.main .section3 .box1 {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
}
.main .section3 .box1 > img {
  width: 6.5rem;
  height: 5.5rem;
  margin: 0 0.15rem;
}
.main .section3 .box1 .font {
  width: 7.3rem;
  font-size: 0.24rem;
  font-family: Verdana-Regular, Verdana;
  font-weight: 400;
  color: #000000;
  line-height: 0.5rem;
  text-align: left;
  margin: 0 0.15rem;
}
.main .section3 .box1 .font .font_title {
  width: 4.95rem;
  height: 0.8rem;
}
.main .section3 .box2 {
  padding: 30px 0;
  box-sizing: border-box;
}
.main .section3 .box2 .title {
  text-align: left;
  font-size: 30px;
  font-family: OPPOSans-B, OPPOSans;
  font-weight: normal;
  color: #111A21;
  line-height: 48px;
  margin-bottom: 0.66rem;
}
.main .section3 .box2 > ul {
  width: 100%;
}
.main .section3 .box2 > ul > li {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main .section3 .box2 > ul > li h4 {
  font-size: 48px;
  color: #C8C7C3;
  font-weight: 550;
}
.main .section3 .box2 > ul > li .box2_right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  padding-left: 400px;
  box-sizing: border-box;
}
.main .section3 .box2 > ul > li .box2_right p {
  width: 450px;
  height: 302px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  max-width: 450px;
  font-size: 22px;
  color: #FFFFFF;
  background-color: #1EB5A7;
  opacity: 0.8;
  border-radius: 10px;
  text-align: left;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 35px;
  box-sizing: border-box;
}
.main .section3 .box2 > ul > li .box2_right > img {
  width: 520px;
  height: 622px;
}
.main .section3 .box2 > ul > li .box2_left {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  padding-right: 400px;
  box-sizing: border-box;
}
.main .section3 .box2 > ul > li .box2_left p {
  width: 450px;
  height: 302px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 0;
  max-width: 450px;
  font-size: 22px;
  color: #FFFFFF;
  background-color: #1EB5A7;
  opacity: 0.8;
  border-radius: 10px;
  text-align: left;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 35px;
  box-sizing: border-box;
}
.main .section3 .box2 > ul > li .box2_left > img {
  width: 520px;
  height: 622px;
}
.main .section4 {
  text-align: center;
}
.main .section4 .title {
  margin: 0.9rem 0;
  width: 7rem;
  height: 0.9rem;
}
.main .section4 .content {
  display: flex;
  justify-content: center;
  align-items: center;
}
.main .section4 .content .card {
  width: 4.5rem;
  height: 5.85rem;
  background: url("../img/pc/box3/card_bg.png") no-repeat;
  background-size: 100% 100%;
  margin: 0 0.2rem;
  font-size: 0.24rem;
  font-family: Verdana-Regular, Verdana;
  font-weight: 400;
  color: #000000;
  line-height: 0.5rem;
  text-align: left;
  padding: 1rem 0.16rem 0.18rem;
  box-sizing: border-box;
}
.main .section2 {
  width: 100%;
  padding: 0 2.55rem;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.3rem;
}
.main .section2 .left {
  width: 50%;
}
.main .section2 .left img:first-child {
  height: 0.98rem;
}
.main .section2 .left img:last-child {
  height: 1.55rem;
}
.main .section2 .right {
  width: 50%;
  text-align: center;
}
.main .section2 .right div {
  font-weight: 400;
  font-size: 0.24rem;
  color: #000000;
  line-height: 50px;
}
.main .section2 .right img {
  width: 3.8rem;
  height: 3.8rem;
  display: block;
  margin: 0 auto;
}
.footer {
  width: 100%;
  height: 1.9rem;
  background: #FFF1F2;
  padding: 0.25rem 2.4rem;
  box-sizing: border-box;
}
.footer > ul {
  height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.footer > ul > li {
  height: 100%;
  font-size: 0.16rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  line-height: 0.22rem;
}
.footer > ul > li:nth-of-type(1) > img {
  width: 4.5rem;
  height: 1rem;
}
.footer > ul > li:nth-of-type(2) {
  display: flex;
  justify-content: space-between;
}
.footer > ul > li:nth-of-type(2) .title {
  font-weight: 600;
  font-size: 0.24rem;
  color: #353539;
  margin-bottom: 0.08rem;
}
.footer > ul > li:nth-of-type(2) .proto {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 0 0.79rem;
}
.footer > ul > li:nth-of-type(2) .company {
  width: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.footer > ul > li:nth-of-type(2) .company .b {
  margin: 0.08rem 0;
}
.cookie-proto .introduce .text,
.cookie-proto .proto-menu .text {
  font-weight: bold;
  font-size: 1.4rem;
  line-height: 2.1rem;
}