* {
    margin: 0;
    padding: 0;
}

html {
    font-size: calc(100vw/3.75);
}

/* 导航栏 */
header {
    width: 100%;
    height: 0.46rem;
    background: #1E49FF;
    position: fixed;
    z-index: 999999;
}

.header-nr {
    height: 0.46rem;
    width: 3.75rem;
    text-align: center;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
}

.header-nr>img {
    width: 0.7rem;
    height: 0.27rem;
}

.header-table {
    width: 2.7rem;
    height: 0.26rem;
    display: flex;
    align-items: center;
    justify-content: space-between;

}

.header-table>div {
    width: 0.64rem;
    height: 0.46rem;
    font-size: 0.16rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 0.46rem;
    box-sizing: border-box;
}

.header-table>.index {
    color: #54FFEF;
    border-bottom: 0.02rem solid #54FFEF;
}

.oa {
    width: 0.64rem;
    height: 0.46rem;
    font-size: 0.16rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 0.46rem;
    box-sizing: border-box;
    text-decoration: none;
}

/* 介绍 */
.introduce {
    padding-top: 0.46rem;
    width: 100%;
    height: 1.84rem;
    background: linear-gradient(360deg, #1885FB 0%, #1A42FF 100%);
}

.introduce>div {
    height: 1.84rem;
    width: 3.75rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.introduce-img {
    width: 1.4rem;
    height: 1.1rem;
}

.introduce-title {
    width: 2.1rem;
    font-size: 0.24rem;
    font-family: AlibabaPuHuiTi-Bold, AlibabaPuHuiTi;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 0.35rem;
}

.introduce-title-1 {
    height: 0.16rem;
    font-size: 0.12rem;
    font-family: AlibabaPuHuiTi-Regular, AlibabaPuHuiTi;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 0.16rem;
}

/* 产品介绍 */
.product {
    background-color: #FFFFFF;
    height: 4.3rem;
}

.product-title {
    padding-top: 0.25rem;
    text-align: center;
    height: 0.26rem;
    font-size: 0.18rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 0.26rem;
}

.product-nr {
    width: 2.94rem;
    margin: 0 auto;
}

.product-nr-title {
    width: 2.94rem;
    margin: 0 auto;
    margin-top: 0.17rem;
    height: 0.88rem;
    font-size: 0.14rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 0.22rem;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    line-clamp: 3;
}

.product-img {
    width: 3.25rem;
    height: 2.6rem;
}

/* 功能介绍 */
.subtool {
    background-color: #FAFAFA;
    height: 15.5rem;
    position: relative;
}

.subtool-nr {
    text-align: center;
}

.subtool-title {
    position: absolute;
    left: 1.5rem;
    padding-top: 0.25rem;
    text-align: center;
    height: 0.26rem;
    font-size: 0.18rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 0.26rem;
}

.subtool-img {
    width: 3.31rem;
    height: 5.25rem;
    margin-bottom: -0.8rem;
    margin-left: 0.1rem;
}

.subtool-nr-nr {
    margin: 0 auto;
    width: 1.7rem;
    height: 0.32rem;
    font-size: 0.16rem;
    font-family: PingFangSC;
    color: #666666;
}


/* 更多好用功能 等你来使用 */
.use {
    height: 3rem;
    background: #F4F8FF;
}

.use-title {
    text-align: center;
    font-size: 0.18rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 0.26rem;
    padding-top: 0.15rem;
    padding-bottom: 0.15rem;
}

.use-nr {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.use-nr-left {
    width: 2.1rem;
    display: flex;
    flex-wrap: wrap;
}

.use-nr-left>span {
    display: inline-block;
    width: 0.63rem;
    height: 0.25rem;
    border: 0.01rem solid #000000;
    font-size: 0.12rem;
    font-family: PingFangSC;
    color: #333333;
    line-height: 0.25rem;
    text-align: center;
    margin: 0.025rem;
}

.use-nr-right-img {
    width: 1.28rem;
    height: 1.28rem;
}

.use-nr-right {
    display: flex;
    flex-direction: column;
}

.use-nr-right-nr1,
.use-nr-right-nr2 {
    text-align: center;
    font-size: 0.11rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #697485;
}


/* 联系方式 */
.relation {
    height: 1.5rem;
    background: #1F264C;
    padding: 0.2rem 0.17rem;
}

.relation-title {
    width: 0.57rem;
    font-size: 0.14rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #3D7CFE;
}

.relation-nr-title,
.relation-nr2-title {
    height: 0.25rem;
    font-size: 0.11rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #697485;
    line-height: 0.25rem;
}

.relation-nr2-nr,
.relation-nr-nr {
    height: 0.15rem;
    font-size: 0.13rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
}

.relation-nr {
    display: flex;
    justify-content: space-between;
}

.relation-nr-img {
    width: 0.74rem;
    height: 0.73rem;
}

.qr-title {
    width: 0.74rem;
    font-size: 0.11rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #697485;
}

.relation-nr-right {
    width: 2rem;
    height: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
    text-align: center;
}

.relation-nr-right>div {
    height: 1.4rem;
}

/* 底部 */
.fooo {
    display:block;
    width: 100%;
    text-decoration: none;
    background-color: #121D2E;
    text-align: center;
    height: 0.48rem;
    font-size: 0.11rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #697485;
    line-height: 0.16rem;
    padding: 0.14rem 0;
}

/* 电话 */
.phone-img {
    width: 0.52rem;
    height: 0.52rem;
}

.phone-a {
    position: fixed;
    display: none;
    right: 0;
    z-index: 9999;
    top: 40%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}