/*头部背景*/
.anli_img {
    width: 100%;
    height: 340px;
    background-image: url(../img/fuwu_banner@2x.png);
    background-repeat: no-repeat;
    position: relative;
}

.anli_c {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.anli_c div:nth-child(1) {
    font-size: 36px;
    font-family: PingFangSC, PingFangSC-Semibold;
    font-weight: 600;
    color: #fff;
}

.anli_c div:nth-child(2) {
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    margin-top: 10px;
    color: #fff;
}

.anli_c div:nth-child(3) {
    width: 120px;
    height: 36px;
    line-height: 32px;
    text-align: center;
    border: 1px solid #fff;
    border-radius: 19px;
    color: #fff;
    margin-top: 20px;
}
/*头部导航栏*/
header {
    position: fixed;
    top: 0px;
    width: 100%;
    height: 72px;
    z-index: 2;
    background: #ECF1FD;
    box-shadow: 0px 5px 16px 0px rgba(6, 38, 109, 0.14);
}

.nav-home {
    height: 72px;
}

.logo {
    float: left;
    width: 172px;
    height: 40px;
    margin-top: 15px;
    margin-right: 70px;
}

.logo img {
    width: 172px;
    height: 40px;
}

.nav-top {
    float: left;
    display: flex;
    height: 72px;
}

.nav-top ul {
    display: flex;
    align-items: center;
    height: 72px;
}

.nav-top ul li {
    float: left;
    font-size: 16px;
    margin-right: 40px;
    color: #020814;
}

.nav-top ul li a {
    color: #020814;
}

.trial {
    float: right;
    width: 152px;
    height: 72px;
    background: linear-gradient(115deg, #73aaff 0%, #0053ff 100%);
    font-size: 16px;
    color: #FFFFFF;
    line-height: 72px;
    text-align: center;
    cursor: pointer;
}

/* 背景图片 */
/* 免费定制 */
.free-customization {
    width: 100%;
}

.free-customization img {
    width: 100%;
    height: 100%;
}
/*公司介绍版心*/
.center {
    width: 1280px;
    margin: 0 auto;
}
/* .bg {
    width: 100%;
    height: 300px;
    background: url(../img/fuwu_banner@2x.png) center no-repeat;
    z-index: -1;
} */

.all {
    position: relative;
}


/* 第一模块 */

.sub_first {
    width: 100%;
    height: 430px;
    background-color: #ffffff;
}

.tit_first span {
    float: left;
    width: 100%;
    height: 50px;
    font-size: 36px;
    font-weight: 600;
    text-align: center;
    color: #202020;
    line-height: 50px;
    margin-top: 40px;
}

.function {
    float: left;
    width: 1040px;
    height: 240px;
    margin-top: 40px;
    margin-left: 80px;
    background-color: #fff;
}

.function .con {
    float: left;
    width: 230px;
    height: 240px;
}


/* 中间的位置间距 */

.pos {
    margin-left: 175px;
    margin-right: 175px;
}

.con_top {
    float: left;
    width: 100%;
    height: 72px;
    background-color: #fff;
    margin-top: 8px;
}

.con_top img {
    float: left;
    width: 71px;
    height: 72px;
    margin-left: 79px;
}

.con .con_mid {
    float: right;
    width: 100%;
    height: 22px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    color: #202020;
    line-height: 22px;
    margin-top: 27px;
    margin-left: 81px;
}

.con_bom {
    float: left;
    width: 230px;
    height: 84px;
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    text-align: left;
    color: #666666;
    line-height: 28px;
    margin-top: 19px;
}


/* 第二模块 */

.sub_second {
    width: 100%;
    height: 446px;
    background-color: #F3F6F9;
}

.tit_second,
.tit_third span {
    float: left;
    width: 100%;
    height: 50px;
    font-size: 36px;
    font-family: PingFangSC, PingFangSC-Semibold;
    font-weight: 600;
    text-align: center;
    color: #202020;
    line-height: 50px;
    margin-top: 60px;
}

.nbm {
    float: left;
    width: 100%;
    height: 36px;
    margin-top: 36px;
}

.nbm_first {
    float: left;
    width: 82px;
    height: 36px;
    background: linear-gradient(319deg, #1872ed 15%, #73aaff 83%);
    border-radius: 18px;
    line-height: 36px;
}


/* 左边间距 */

.dist {
    margin-left: 157px;
}

.nbm_first p {
    font-size: 20px;
    font-family: PingFangSC, PingFangSC-Semibold;
    font-weight: 600;
    text-align: center;
    color: #ffffff;
    letter-spacing: 0.54px;
}

.xuxian {
    float: left;
    width: 324px;
    height: 1px;
    border: 1px dashed #92b8f1;
    margin-top: 18px;
}

.nbm_down {
    float: left;
    width: 100%;
    height: 190px;
    margin-top: 24px;
}

.nbm_down .box {
    float: left;
    width: 386px;
    height: 190px;
    background: #ffffff;
    border-radius: 6px;
    box-shadow: 0px 8px 12px 0px rgba(213, 221, 229, 0.21);
}

.box_dist {
    margin: 0 21px;
}

.box .box_top {
    float: left;
    width: 100%;
    height: 32px;
    margin-top: 40px;
}

.box_top img {
    float: left;
    width: 32px;
    height: 32px;
    margin-left: 28px;
}

.box_top span {
    float: left;
    height: 32px;
    font-size: 24px;
    font-family: PingFangSC, PingFangSC-Semibold;
    font-weight: 600;
    text-align: justify;
    color: #202020;
    line-height: 32px;
    margin-left: 8px;
}

.box_bottom {
    float: left;
    width: 326px;
    height: 56px;
    margin-top: 21px;
    margin-left: 30px;
}

.box_bottom p {
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    text-align: justify;
    color: #666666;
    line-height: 28px;
}


/* 第三模块 */

.sub_third {
    width: 100%;
    height: 506px;
    background-color: #FFFFFF;
}

.tab {
    float: left;
    width: 1000px;
    height: 300px;
    /* background-color: pink; */
    margin-top: 60px;
    margin-left: 100px;
}

.tab .tab_top {
    float: left;
    width: 100%;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background: #f3f6f9;
    border: 1px solid #dfe4ea;
}

.tab_top span {
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Semibold;
    font-weight: 600;
    color: #202020;
}

.tb {
    float: left;
    width: 100%;
    height: 59px;
    background-color: #FFFFFF;
    border-width: 0 1px 1px 1px;
    border-style: solid;
    border-color: #dfe4ea;
}

.tb_left {
    float: left;
    width: 359px;
    height: 59px;
    line-height: 59px;
    border-right: 1px solid #dfe4ea;
}

.tb_left span {
    margin-left: 40px;
}

.tb_right {
    float: left;
    width: 140px;
    height: 59px;
    line-height: 59px;
    border-right: 1px solid #dfe4ea;
}

.tb_right img {
    float: left;
    width: 20px;
    height: 20px;
    margin-top: 19px;
    margin-left: 60px;
}

.tb .tb_last {
    border-right: none;
}


/* 第四模块 */

.sub_fourth {
    width: 100%;
    height: 240px;
    /* background-color: #0fa187; */
    background: linear-gradient(137deg,#73aaff 5%, #0053FF 93%);;
}

.tit_fourth {
    float: left;
    width: 100%;
}

.tit_fourth span {
    float: left;
    height: 60px;
    font-size: 36px;
    font-weight: 600;
    color: #ffffff;
    line-height: 60px;
    margin-top: 50px;
    margin-left: 312px;
}

.four_bottom {
    float: left;
    width: 148px;
    height: 44px;
    line-height: 44px;
    margin-top: 30px;
    margin-left: 526px;
    background: #ffffff;
    border-radius: 4px;
}

.four_bottom a {
    float: left;
    width: 96px;
    height: 22px;
    margin-left: 26px;
    font-size: 16px;
    font-family: PingFangSC, PingFangSC-Regular;
    font-weight: 400;
    text-align: center;
    color: #1872ED;
}