* {
    padding: 0;
    margin: 0;
}

body {
    width: 100%;
    font-family: PingFangSC, PingFangSC-Semibold;
}
/*导航栏样式*/
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;
}

.logo1 {
    float: left;
    width: 172px;
    height: 40px;
    margin-top: 15px;
    margin-right: 70px;
}

.logo1 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;
}
.center {
    width: 1280px;
    margin: 0 auto;
}
/* 免费定制 */
.free-customization {
    width: 100%;
}

.free-customization img {
    width: 100%;
    height: 100%;
}
li {
    list-style: none;
}

div {
    box-sizing: border-box;
}

a {
    text-decoration: none;
}
.banner{
    margin-top: 72px;
    width: 100%;
    height: 360px;
    background-image: url(../imgs/About_Us/aboutus@2x.png);
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

/* 头部 */

/* header {
    height: 300px;
    background: #252f44;
    background: url(../imgs/About_Us/guanyuwomen_banner@2x.png) center no-repeat;
}

.nav-home {
    height: 72px;
}

.logo {
    float: left;
    width: 132px;
    height: 43px;
    margin-top: 15px;
    margin-right: 70px;
}

.logo img {
    width: 132px;
    height: 43px;
}

.nav-top {
    float: left;
}

.nav-top ul li {
    height: 32px;
    float: left;
    margin-top: 20px;
    margin-right: 44px;
    font-size: 16px;
    color: #fff;
}

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

.trial {
    float: right;
    width: 90px;
    height: 30px;
    background: linear-gradient(137deg,#73aaff 5%, #0053FF 93%);
    border-radius: 4px;
    font-size: 14px;
    color: #F7F9F9;
    line-height: 30px;
    margin-top: 21px;
    text-align: center;
} */
.banner_txt{
    position: absolute;
    top: 30%;
    left: 40%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.try_use{
    width: 120px;
    height: 36px;
    border: 1px solid #020814;
    border-radius: 19px;
    color: #020814;
    font-size: 14px;
    text-align: center;
    line-height: 36px;
    margin-top: 30px;
    cursor: pointer;
}
.content-top {
    margin: 0 auto;
    width: 360px;
    height: 116px;
    font-size: 36px;
    font-weight: 400;
    text-align: center;
    color: #020814;
    line-height: 58px;
}

.content-top span {
    display: block;
}
.content-top span:nth-child(2) {
   margin-top: 10px;
}

/* 页面主体内容 */

.main {
    background-color: #fff;
}

.main .title {
    margin: 0 auto;
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    color: #202020;
    padding-top: 2.1px;
    padding-bottom: 2.1px;
}


/* 公司介绍 */

.main .Company-Profile {
    margin-top: 40px;
}

.main .Company-Profile p {
    text-indent: 2em;
    font-size: 16px;
    font-weight: 400;
    color: #202020;
    line-height: 28px;
    padding-top: 3px;
    padding-bottom: 3px;
}

.main .Company-Profile p:nth-child(2) {
    margin-top: 29px;
    margin-bottom: 5px;
}


/* 发展历程 */

.main .Development-History {
    margin-top: 60px;
}

.DH-main {
    height: 586px;
    /* background-color: red; */
    margin-top: 40px;
}

.DH-main .DH-main-l {
    float: left;
    width: 496px;
    height: 586px;
    margin-left: 120px;
    /* background-color: saddlebrown; */
    position: relative;
}

.DH-main div div {
    width: 480px;
    border-radius: 8px;
    background: #f3f6f9;
    float: right;
    text-align: right;
    padding-top: 24px;
    position: relative;
}

.DH-main div span {
    font-size: 24px;
    font-family: DINAlternate, DINAlternate-Bold;
    /* font-weight: 700; */
    color: #1872ED;
}

.DH-main div p {
    margin-top: 5px;
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 400;
    color: #202020;
    line-height: 28px;
}

.DH-main .DH-main-l p {
    margin-left: 50px;
}

.DH-main .DH-main-l div {
    padding-right: 30px;
    margin-right: 16px;
}

.DH-main .DH-main-l .DH-2019 {
    margin-top: 80px;
}

.DH-main .DH-main-l .DH-2019 p {
    margin-top: 0;
    margin-bottom: 20px;
}

.DH-main .DH-main-l .DH-2018 {
    margin-top: 80px;
}

.DH-main .DH-main-l .DH-2018 p {
    margin-top: 0;
    margin-bottom: 20px;
}
.DH-main .DH-main-l .DH-2019 p:nth-child(2) {
    margin-top: 5px;
}

.DH-main .DH-main-l .DH-2019 p:last-child {
    margin-bottom: 24px;
}

.DH-main .DH-main-l .DH-2019 p span {
    font-size: 16px;
    color: #1872ED;
}

.DH-main .DH-main-m {
    float: left;
    width: 1px;
    height: 500px;
    border-left: 1px dashed #b7e4d5;
    margin-left: 24px;
    position: relative;
}

.DH-main .DH-main-m li {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #1872ED;
    border-radius: 50%;
    right: -8px;
}

.DH-main .DH-main-m li:nth-child(1) {
    top: 32px;
}

.DH-main .DH-main-m li:nth-child(2) {
    bottom: 350px;
}

.DH-main .DH-main-m li:nth-child(3) {
    bottom: 235px;
}

.DH-main .DH-main-m li:nth-child(4) {
    bottom: 140px;
}
.DH-main .DH-main-m li:last-child {
    bottom: 18px;
}

.DH-main .DH-main-r {
    float: right;
    width: 496px;
    height: 486px;
    margin-right: 120px;
    /* background-color: blue; */
}

.DH-main .DH-main-r div {
    text-align: left;
    padding-left: 30px;
}

.DH-main .DH-main-r p {
    margin-right: 50px;
}

.DH-main-r .DH-2020 {
    margin-top: 101px;
}

.DH-main-r .DH-2019 {
    margin-top: 73px;
}
.DH-main .DH-main-r .DH-2019 p:nth-child(1) {
    margin-bottom: 0px;
}
.DH-main .DH-main-r .DH-2019 p:last-child {
    margin-top: 0;
    margin-bottom: 20px;
}

.DH-main .DH-main-r .DH-2019 p:nth-child(2) {
    margin-top: 5px;
    margin-bottom: 0px;
}
.DH-main .DH-main-r .DH-2019 p:nth-child(3) {
    margin-bottom: 0px;
}
.DH-main .DH-main-r .DH-2019 p span {
    font-size: 16px;
    color: #1872ED;
}

/* 三角形 */

.DH-main div img {
    position: absolute;
    width: 16px;
    top: 27px;
}

.DH-main-l img {
    right: -16px;
}

.DH-main-r img {
    left: -16px;
}

.DH-2020 img
/* 联系我们 */


/* 没跑出来 */

.main .center .Contact-Us {
    margin-top: 80px;
    margin-bottom: 96px;
    background-color: red;
}

.Contact-Details {
    margin-top: 40px;
    height: 500px;
}

.Details-left {
    float: left;
    width: 350px;
    height: 500px;
    background: linear-gradient(319deg, #1872ed 15%, #73aaff 83%);
    border-radius: 4px;
}

.Details-left ul {
    margin-left: 30px;
    margin-top: 60px;
}

.Details-left ul li {
    overflow: auto;
    margin-bottom: 40px;
}

.Details-left ul li img {
    width: 20px;
    height: 20px;
    float: left;
}

.Details-left ul li div {
    float: left;
    margin-left: 20px;
}

.Details-left ul li div span {
    width: 256px;
    display: block;
    font-size: 16px;
    color: #ffffff;
}

.Details-left ul li div span:first-child {
    font-weight: 600;
    margin-bottom: 14px;
}

.Details-left ul li:last-child div span:last-child {
    height: 64px;
    line-height: 32px;
}

.Details-right {
    float: left;
    width: 830px;
    height: 500px;
    margin-left: 20px;
    background: url(../imgs/About_Us/map.png) center no-repeat;
    background-size: contain;
}


/*  */

.site-footer {
    height: 199px;
    background-color: #101010;
}

.site-footer .center div {
    padding-top: 40px;
    float: left;
}

.site-footer .logo-footer img {
    width: 132px;
    height: 43px;
}

.site-footer .center div span {
    color: #515151;
    font-size: 14px;
}

.site-footer .center div p {
    color: #818181;
    font-size: 14px;
    margin-top: 20px;
}

.site-footer .center .QR_code {
    float: right;
}

.QR_code img {
    height: 110px;
}

.site-footer .center .QR_code p {
    margin-top: 7px;
    text-align: center;
}

.profuct,
.serve,
.address {
    margin-left: 80px;
}

.site-info {
    height: 63px;
    line-height: 31px;
    background-color: #090909;
    text-align: center;
}

.dibubeian {
    display: block;
    text-align: center;
    font-size: 14px;
    color: #6f6f6f;
}