body {
    margin: 0;
}
ul{
    padding: 0;
    margin: 0;
    list-style-type: none;
}
@font-face {
    font-family: APB;
    src: url(./font/Alibaba-PuHuiTi-Bold.ttf);
    font-display: swap;
}
@font-face {
    font-family: SMedium;
    src: url(./font/SourceHanSansSC-Medium-2.otf);
    font-display: swap;
}
@font-face {
    font-family: APR;
    src: url(./font/Alibaba-PuHuiTi-Regular.ttf);
    font-display: swap;
}
.block-page{
    padding-top: 3.8em;
}
.index-card {
    max-width: 1200px;
    width: 100%;
    margin: 0px auto;
    padding: 0px min(5vw, 20px);
}
.common-nav--sticky {
    background: #FFFFFF;
    box-shadow: 1px 6px 10px 0px rgba(0,0,0,0.06);
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
    height: 3.8em;
}
.container {
    align-items: stretch;
    display: flex;
    height: 100%;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1520px;
    padding: 0 min(5vw, 40px);
    position: relative;
    width: 100%;
}
.px-fit{
    display: grid;
    grid-template-columns: 100%;
    grid-template-rows: 100%;
    height: 100%;
    position: relative;
    width: 100%
}
.px-fit__outer {
    left: 0;
    position: absolute;
    transition: opacity .1s cubic-bezier(.165, .84, .44, 1) 0ms;
    width: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.title{
    width: 189px;
    height: 36px;
    display: flex;
    align-items: center;
}
.title img{
    width: 36px;
    height: 36px;
    margin-right: 12px;
}
.title span{
    width: 141px;
    height: 24px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 16px;
    color: #333333;
    line-height: 24px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}
.nav-down_btn{
    width: 100px;
    height: 36px;
    background: #0F7AF5;
    border-radius: 8px 8px 8px 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
}
.nav-down_btn .download{
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 24px;
    text-align: left;
    font-style: normal;
    text-transform: none;
}
.first-page{
    max-width: 1895px;
    max-height: 987px;
    background-color: #FFFFFF;
    position: relative;
    padding-top: 3.3em;
    margin-bottom: 7em;
}
.banner-box{
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 999;
}
.banner-box span {
    width: 713px;
    height: 67px;
    font-family: APB;
    font-weight: normal;
    font-size: 47px;
    color: #1A1A1A;
    line-height: 67px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}
.item {
    height: 42px;
    align-items: stretch;
    display: flex;
    margin-top: 12px;
}   
.item li {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 28px;
    color: #333333;
    line-height: 42px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    display: flex;
    flex: none;
    position: relative;
    align-items: center;
}
.item li:after {
    background-color: currentColor;
    content: "";
    display: flex;
    height: 30px;
    margin: 0 .58em;
    width: 1px;
    background: #cccccc;
}
.item li:last-child:after {
    content: none; 
} 
.down_btn {
    width: 172px;
    height: 52px;
    background: linear-gradient( 270deg, #006CFF 0%, #00BBFF 100%), #2074EF;
    border-radius: 11px 11px 11px 11px;
    margin-top: 22px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
}
.down_btn .download{
    width: 90px;
    height: 27px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 27px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}
.banner-box p {
    margin-top: 32px;
    margin-bottom: 24px;
    height: 21px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    line-height: 16px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}
.google-bg{
    width: 1047px;
    height: 570px;
    background: #FFFFFF;
    border-radius: 19px 19px 19px 19px;
}
.right-bg{
    bottom: -20px;
    position: absolute;
    right: 0px;
    width: 211px;
    height: 350px;
    z-index: 0;
}
.left-bg{
    top: 163px;
    position: absolute;
    left: 0px;
    width: 236px;
    height: 356px;
    z-index: 0;
}
.card-box {
    display: flex;
    align-items: center;
    margin-bottom: 9.3em;
    height: 20.5em;
    position: relative;
    padding: 6em 0em;
    border-radius: 1.25em;
    padding-left: 3.15em;
    padding-right: 2.32em;
}
.bg-blue {
    background: #e8f0fe;
}
.bg-green {
    background: #EEFFFE;
}
.bg-brown {
    background: #FFF6F1;
}
.card-img {
    right: 37px;
    top: 50%;
    flex: 1;
    position: absolute;
    transform: translateY(-50%);
}
.card-img img {
    width: 658px;
    height: 360px;
}
.card-content {
    max-width: 45%;
}
.card-title {
    white-space: nowrap;
    max-width: 80%;
    font-family: SMedium;
    font-weight: 500;
    font-size: 40px;
    color: #333333;
    text-align: left;
    font-style: normal;
    text-transform: none;
}
.card-desc {
    margin: 0.65em 0 0 0;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    text-align: left;
    font-style: normal;
    text-transform: none;
    width: 366px;
}
.card-btn{
    width: 150px;
    height: 40px;
    margin-top: 4.1em;
    box-shadow: 0 0.7565932872px 2px rgba(0, 0, 0, .15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.2;
    min-height: 2.25em;
    min-width: 8em;
    position: relative;
    background: linear-gradient( 270deg, #006CFF 0%, #00BBFF 100%), #2074EF;
    border-radius: 11px 11px 11px 11px;
    text-decoration: none;
}
.btn-primary {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 15px;
    color: #FFFFFF;
    text-decoration: none
}
.card-position:nth-child(2n) {
    justify-content: flex-end;
}
.card-position:nth-child(2) .card-img {
    left: 37px;
    top: 80px;
    right: 0;
    transform: none;
}
.card-position:nth-child(2) .card-content {
    margin-right: 22.88px;
}
.footer{
    height: 370px;
    text-align: center;
    background-size: cover;
}
.footer-bg{
    left: 0;
    position: absolute;
    right: 0;
    width: 100%;
    z-index: 0;
    height: 370px;
}
.google{
    position: relative;
    width: 402px;
    height: 123px;
    z-index: 10;
    margin-top: 80px;
    transform: scale(0.8);
    transform-origin: top;
}
.double-btn{
    position: relative;
    display: flex;
    z-index: 10;
    margin-top: 25px;
    transform: scale(0.8);
    transform-origin: top;
    gap: 160px;
    justify-content: center;
}
.ordinary-btn{
    /* margin-left: 620px;
    margin-right: 160px; */
    width: 250px;
    height: 70px;
    background: #2074EF;
    border-radius: 11px 11px 11px 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.download-btn{
    width: 144px;
    height: 54px;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 36px;
    color: #FFFFFF;
    line-height: 64px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    transform: scale(0.8);
    transform-origin: top;
}
.safe-btn{
    width: 250px;
    height: 70px;
    background: #2074EF;
    border-radius: 11px 11px 11px 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.double-desc{
    position: relative;
    z-index: 10;
    display: flex;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    text-align: center;
    font-style: normal;
    text-transform: none;
    transform: scale(0.8);
    transform-origin: top;
    gap: 125px;
    justify-content: center;
}
.ordinary-desc{
    margin-top: 10px;
    margin-left: 5.3em;
}
.safe-desc{
    margin-top: 10px;
}