body,html{
    height: 100%;
}
body,html {
    overflow-x: hidden;
}
.on-mobile{
    display: none;
}
.header{
    position: fixed;
    height: 81px;
    line-height: 81px;
    width: 100%;
    z-index: 1000;
    background-color: #FFF;
    top: 0;
    transition: all 0.5;
}
.header .nav {
    position: absolute;
    top: 0;
    right: 20px;
}
.header .real-header {
    position: relative;
    max-width: 1740px;
    height: 81px;
    margin: 0 auto;
}
.header .nav div {
    display: inline-block;
    margin: 0 20px;
    font-size: 18px;
    user-select: none;
    cursor: pointer;
}
.header .logo {
    position: absolute;
    top: 20px;
    margin-left: 20px;
}
.first {
    position: relative;
    margin-top: 81px;
}
.first .slogan {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #FFF;
    left: 40px;
}
.first .slogan .big {
    font-size: 48px;
    letter-spacing: 10px;
    line-height: 65px;
}
.first .slogan .small {
    font-size: 24px;
    line-height: 36px;
}
.second {
    position: relative;
    width: 100%;
    padding-bottom: 62.5%;
    background-color: #F2F2F5;
}
.second .phone-border {
    position: absolute;
    width: 23.61%;
    padding-bottom: 48.47%;
    background: #FFFFFF;
    box-shadow: 12px 13px 24px 0 #DBE1E9, inset -2px -2px 3px 0 rgba(162,173,184,0.65), inset -8px -8px 9px 0 rgba(210,215,218,0.59);
    border-radius: 40px;
}
.second .phone-border img {
    position: absolute;
    width: 88.23%;
    top: 3%;
    left: 0;
    right: 0;
    margin: 0 auto;
    border-radius: 30px;
}
.second .phone-left {
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 7.6%;
}
.second .phone-right {
    right: 10.97%;
    top: 14.7%;
}
.second .left {
    position: absolute;
    left: 6.1%;
    top: 11.88%;
}
.second .left img {
    width: 20.8%;
}
.second .left .left-title {
    font-size: 33px;
    color: #0C82FF;
    margin-top: 20px;
}
.second .left .left-intro{
    margin-top: 30px;
}

.second .left .left-intro-title {
    color: #0C82FF;
}
.second .left .left-intro-word {
    margin: 10px 0;
    font-size: 14px;
}
.second .left .left-button{
    width: 200px;
    height: 60px;
    box-sizing: border-box;
    border: 1px solid #0C82FF;
    line-height: 60px;
    text-align: center;
    user-select: none;
    cursor: pointer;
    color: #0C82FF;
    margin-top: 30px;
}
.second .left .left-button:hover{
    border: 1px solid #FFF;
}
.third {
    position: relative;
    width: 100%;
    padding-bottom: 62.5%;
    background:  linear-gradient(-180deg, #007BFF 0%, #284BFF 100%);
}
.third .w-logo{
    position: absolute;
    width: 3.22%;
    top: 3.55%;
    left: 2.08%;
}
.third .laptop {
    position: absolute;
    width: 81.25%;
    top: 14.6%;
    left: 0;
    right: 0;
    margin: 0 auto;
}
.third .laptop .laptop-img{
    width: 100%;
}
.third .swi {
    position: absolute;
    top: 5%;
    width: 75%;
    overflow: hidden;
    left: 0;
    right: 0;
    margin: 0 auto;
}
.swi-img{
    width: 75%;
}
.swi-img img{
    width: 100%;
}

/* 分页器 */
.pageCon {
    position: absolute;
    z-index: 500;
    bottom: 7.55%;
    text-align: center;
    left: 0;
    right: 0;
    margin: 0 auto;
}
.swiper-pagination-bullet{
    border: 1px solid #FFF;
    margin: 0 5px;
}
.swiper-pagination-bullet-active{
    background: #FFF;
}
/* 第四屏 */
.forth{
    padding: 30px 0;
}
.forth .forth-line .line-left{
    display: inline-block;
    width: 50%;
    vertical-align: middle;
    text-align: center;
}
.forth .forth-line .line-right{
    display: inline-block;
    width: 50%;
    vertical-align: middle;
    text-align: center;
}
.forth .forth-line .line-right img{
    width: 75%;
}
.title{
    font-size: 28px;
    color: #3A405B;
    text-align: center;
    margin: 0;
}
.line-left .left-title{
    color: #005AFF;
    font-size: 28px;
    text-align: left;
    margin: 0 auto;
    width: 70%;
    margin-bottom: 28px;
}
.line-left .left-tech-intro{
    font-size: 18px;
    width: 70%;
    text-align: left;
    margin: 0 auto;
    line-height: 28px;
}
/* 第五屏 */
.fifth{
    position: relative;
    width: 100%;
    padding-bottom: 62.5%;
    background-color: #284BFF;
}
.fifth img{
    position: absolute;
    width: 79.14%;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 29.67%;
}
/* 第六屏 */
.sixth{
    position: relative;
    width: 100%;
    padding-bottom: 48.61%;
    background-image: url('../imgs/contactBg.jpg');
    background-size: 100% 100%;
}
.sixth .contact-info{
    position: absolute;
    width: 46.52%;
    max-width: 600px;
    background-color: #fff;
    box-sizing: border-box;
    padding-left: 3.8%;
    padding-top: 2.9%;
    padding-bottom: 2.9%;
    color: #3A405B;
    top: 16.5%;
    right: 12.5%;
}
.contact-title{
    font-size: 28px;
}
.contact-little-title{
    font-size: 18px;
}
.contact-line{
    font-size: 18px;
    margin: 25px 0;
}
.contact-line img{
    width: 40px;
    vertical-align: middle;
    margin-right: 17px;
}
.contact-line span{
    vertical-align: middle;
}
/* footer */
.footer{
    height: 50px;
    background-color: #1D1D1D;
    font-size: 12px;
    color: #656565;
    line-height: 50px;
    text-align: center;
}
/* mask */
.mask{
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    background-color: #000;
    z-index: 11;
    opacity: 0;
}
@media (max-width: 1023px) {
    .on-desk{
        display: none;
    }
    .on-mobile{
        display: block;
    }
    .mobile-header{
        position: fixed;
        top: 0;
        height: 50px;
        width: 100%;
        line-height: 50px;
        z-index:10;
        background-color: #fff;
    }
    /* 菜单栏 */
    .mobile-nav-menu{
        height: 50px;
        line-height: 50px;
        padding-left: 30px;
        user-select: none;
    }
    .first{
        margin-top: 50px;
    }
    .first-img{
        width: 100%;
    }
    .slogan{
        text-align: center;
        left:0 !important;
        right: 0 !important;
        margin: 0 auto !important;
        top: 20% !important;
    }
    .slogan .big{
        font-size: 28px !important;
        line-height: 38px !important;
        letter-spacing: 0px !important;
    }
    .slogan .small{
        font-size: 18px !important;
        line-height: 24px !important;
    }
    .mobile-logo{
        position: absolute;
        width: 145px;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
    }
    .mobile-menu{
        position: absolute;
        right:0;
        width: 50px;
        height: 50px;
        cursor: pointer;
    }
    .mobile-menu img{
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        user-select: none;
    }
    .mobile-nav{
        position: fixed;
        height: 100%;
        width: 200px;
        background-color: #fff;
        z-index: 20;
        top: 0;
        right: -200px;
    }
    /* 第二屏 */
    .second{
        padding-bottom: 0;
    }
    .second .second-wrapper{
        width:100%;
        padding-bottom: 215.25%;
    }
    .second .second-swi{
        position: absolute;
        top: 16%;
        width: 100%;
    }
    .second-top{
        box-sizing: border-box;
        padding-left: 10.62%;
        padding-top: 8%;
        margin-bottom: 10%;
    }
    .second-top img{
        width: 14.68%;
    }
    .second-top .second-title{
        font-size: 24px;
        color: #0C82FF;
    }
    .second .phone-border{
        width: 75%;
        padding-bottom: 151.41%;
        left: 0;
        right: 0;
        margin: 0 auto;
    }
    .service-intro{
        position: absolute;
        bottom: -25%;
        left: 0;
        right: 0;
        margin: 0 auto;
    }
    .service-intro-title{
        font-size: 20px;
        color: #0C82FF;
    }
    .service-intro-word{
        font-size: 14px;
        line-height: 20px;
    }
    /* 第三屏不显示 */
    .third{
        display: none;
    }
    /* 第四屏 */
    .forth .forth-line{
        text-align: center !important;
    }
    .forth .forth-line .line-left{
        width: 100% !important;
        margin: 5% 0;
        text-align: center !important;
    }
    .left-title{
        font-size: 20px !important;
        margin-bottom: 15px !important;
    }
    .left-tech-intro{
        width: 85% !important;
        font-size: 14px !important;
        line-height: 22px !important;
    }
    .forth .forth-line .line-left .left-title,.forth .forth-line .line-left .left-tech-intro{
        text-align: center !important;
        line-height: 32px;
    }
    .forth .forth-line .line-right{
        width:90% !important;
        margin: 0 auto !important;
    }
    /* 第五屏 */
    .fifth {
        padding-bottom: 103.75% !important;
    }
    .fifth img{
        top: 13.67% !important;
    }
    /* 第六屏 */
    .sixth {
        padding-bottom: 93.3% !important;
    }
    .contact-info{
        width:90% !important;
        top: 5% !important;
        left: 0 !important;
        right: 0 !important;
        margin: 0 auto;
    }
    .contact-title{
        font-size: 18px !important;
    }
    .contact-little-title{
        font-size: 12px !important;
    }
    .contact-line{
        margin: 15px 0 !important;
    }
    .contact-line span{
        font-size: 12px !important;
    }
    .contact-line .phone-number{
        font-size: 20px !important;
    }
}