* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-size: cover;
    background-position: center;
}

a {
    color: #FFFFFF;
    text-decoration: none;
    width: 100%;
    text-align: center;
}

li {
    list-style: none;
}

body {
    overflow: auto;
}

.main {
    min-height: 100vh;
    min-width: 1024px;
    max-width: 1920px;
    height: 100%;
}

.mainup {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.section {
    flex: 1;
    background-image: url('../img/okcheck/banner.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sectionbox {
    max-width: 1570px;
    text-align: right;
    width: 100%;
}

.sectionbox>:nth-of-type(1) {
    position: relative;
}

.name {
    position: absolute;
    right: -1%;
    width: 430px;
    height: 85px;
    background-image: url('../img/okcheck.png');
}

.system {
    font-size: 4.375rem;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 105px;
    margin-top: 100px;
}

#headerul>li:nth-of-type(2)>a {
    color: rgba(59, 228, 234, 1)
}

.fixed {
    top: 0;
    width: 100%;
    position: fixed;
    z-index: 99999;
}


/* 中间部分 */

.mainbox {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
}

.middle {
    height: 100%;
    width: 100%;
    /* border: 1px solid red; */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.middleone {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(240, 255, 254, 1);
}

.boxson {
    display: flex;
    justify-content: center;
    position: relative;
    width: 100%;
}

.boxson>div:nth-of-type(1) {
    border-image: linear-gradient(270deg, rgba(255, 255, 255, 0), rgba(5, 177, 169, 1), rgba(255, 255, 255, 0)) 2 2;
    border-bottom: 2px solid;
    display: flex;
    justify-content: center;
    font-size: 2.5rem;
    font-family: PingFang-SC-Heavy, PingFang-SC;
    font-weight: 800;
    color: #05B1A9;
    line-height: 86px;
    height: 86px;
}

.middletwo {
    max-width: 1570px;
    width: 100%;
}

.box {
    max-width: 1570px;
    width: 100%;
    display: flex;
    justify-content: center;
    font-size: 2.25rem;
    font-family: PingFang-SC-Bold, PingFang-SC;
    font-weight: bold;
    color: #FFFFFF;
}

.box>div:nth-of-type(1) {
    margin-right: 41px;
    background-image: url('../img/ghost/needleft.png');
}

.box>div:nth-of-type(2) {
    background-image: url('../img/ghost/needright.png');
}

.box>div {
    width: 50%;
    height: 43vh;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.text {
    height: 59px;
    font-size: 16px;
    font-family: PingFang-SC-Medium, PingFang-SC;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.85);
    line-height: 28px;
    text-align: center;
    margin-top: 40px;
}

.position {
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
    background-position: center;
    background-size: 100%;
    background-repeat: no-repeat;
}

#productPosition {
    margin-top: 80px;
}

.posone {
    /* max-width: 1570px; */
    margin-top: -14%;
    width: 80%;
    padding-top: 60%;
    background-image: url('../img/okcheck/posone.png');
}

.postwo {
    width: 100%;
    padding-top: 50%;
    background-image: url('../img/okcheck/postwo.png');
    margin-top: -5%;
}

#sceneone {
    margin-top: 80px;
}

.posthree {
    width: 80%;
    padding-top: 37%;
    margin-top: 5%;
    margin-bottom: 3%;
    background-image: url('../img/okcheck/posthree.png');
}

#scenetwo {
    margin-top: 50px;
}

.posfour {
    width: 71%;
    padding-top: 42%;
    margin-bottom: 5%;
    background-image: url('../img/okcheck/posfour.png');
}

.posfive {
    /* max-width: 1300px; */
    width: 77%;
    padding-top: 29%;
    margin-top: 50px;
    background-image: url('../img/okcheck/posfive.png');
}

#serviceworth {
    margin-top: 110px;
}

@media screen and (max-width: 1919px) {
    html {
        font-size: 12px !important;
        font-family: "Microsoft YaHei", 微软雅黑
    }
    /* .middle {
    padding: 25px;
} */
    .box {
        padding-left: 65px;
        padding-right: 65px;
    }
    .middleone {
        padding-left: 100px;
        padding-right: 100px;
    }
    /* .middletwo {
        padding-left: 65px;
        padding-right: 65px;
    } */
    .card {
        padding: 0!important;
    }
    .sectionbox {
        padding-left: 65px;
        padding-right: 65px;
    }
    /* #ul {
        padding-left: 65px;
        padding-right: 65px;
    } */
    .headernav {
        width: 140px;
        height: 50px;
        line-height: 50px;
        background-size: 100% 100%;
    }
    #ul,
    .box {
        max-width: 1400px;
    }
    .posone {
        width: 70%;
        padding-top: 50%;
        margin-top: -150px;
    }
    .postwo {
        width: 65%;
        padding-top: 45%;
    }
    .posthree {
        width: 60%;
        padding-top: 28%;
    }
    /* 
    .postwo {
        width: 1300px;
        height: 0;
        padding-top: 45%;
        margin-top: -100px;
    }
    .posthree {
        max-width: 1000px;
        width: 100%;
        height: 0;
        padding-top: 28%;
    }
    .posfour {
        max-width: 1000px;
        padding-top: 35%;
    } */
    .posfour {
        width: 57.5%;
        padding-top: 34%;
    }
    .posfive {
        /* max-width: 1000px; */
        width: 70%;
        padding-top: 26.3%;
        margin-top: 100px;
    }
}

@media screen and (min-width: 1920px) {
    html {
        font-size: 16px;
        font-family: "Microsoft YaHei", 微软雅黑
    }
}