@media screen and (min-width: 1560px) {
    .wrapper {
        max-width: 1560px;
        margin: 0 auto;
    }
}



.common-reason-title {
    padding: 0;
}

.common-reason-subTitle {
    margin-top: 40px;
}

/* 海报 */
.banner {
    position: relative;
}

.banner .banner-img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
}

.banner-content .banner-text {
    color: #ffffff;
    font-weight: 700;
    font-size: 42px;
    line-height: 170%;
    line-height: 1.7em;
    margin-top: calc(256px + 80px);
}

.banner-content .banner-text .c-FF7700 {
    color: #FF7700;
}

/* 关于我们 */
.ourAdvantages-1 {
    padding: 80px 0 100px;
}

.aboutUs {
    display: flex;
    align-items: center;
    position: relative;
    margin-top: 40px;
}

.aboutUs .aboutUs-left {
    width: 893px;
    height: 550px;
    border-radius: 20px;
    overflow: hidden;
}

.aboutUs .aboutUs-right {}

.symbol {
    position: absolute;
    right: 0;
    top: -68px;
    font-family: Impact;
    font-size: 390px;
    line-height: 1em;
    color: rgba(242, 242, 242, 0.9);
}

.aboutUs-right-card {
    background-color: #FFFFFF;
    box-shadow: 0px 0px 24px 0px #0000001A;
    padding: 50px;
    border-radius: 20px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: fit-content;
    max-width: 100%;
}

.aboutUs-right-card .aboutUs-content-text {
    width: 942px;
    font-size: 18px;
    line-height: 1.7em;
}

.aboutUs-right-card .aboutUs-tags {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 40px;
}

.aboutUs-tags .aboutUs-tag-item {
    min-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
}


.aboutUs-tags .aboutUs-tag-item .tag-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 1px solid #000000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.aboutUs-tags .aboutUs-tag-item .tag-icon .icon {
    width: 48px;
    height: 48px;
}

.aboutUs-tags .aboutUs-tag-item .tag-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #000000;
    margin-top: 14px;
}

.aboutUs-tags .aboutUs-tag-item .tag-content .name-zh {
    font-size: 18px;
    margin-bottom: 22px;
    position: relative;
}

.aboutUs-tags .aboutUs-tag-item .tag-content .name-zh::after {
    content: "";
    display: inline-block;
    width: 12px;
    border-bottom: 1px solid #000000;
    position: absolute;
    left: 50%;
    bottom: -14px;
    transform: translateX(-50%);
}

.aboutUs-tags .aboutUs-tag-item .tag-content .name-en {
    font-size: 22px;
}

/* 公司资质 */
.ourAdvantages-2 {
    background-color: #F7F8FF;
    padding: 80px 0 100px;
}

.ourAdvantages-2 .common-reason-subTitle {
    max-width: 1218px;
    font-size: 24px;
}

.companyQualification {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 40px;
    /* grid-template-columns: auto; */
    margin-top: 40px;
}

.companyQualification .image {
    height: 330px;
    width: auto;
}

.companyQualification .image.image-horizontal {}


/* 发展历程 */
.ourAdvantages-3 {
    padding: 80px 0;
    background-color: #FFFFFF;
    position: relative;
}

.ourAdvantages-3 .common-reason-subTitle {
    max-width: 1364px;
    font-size: 24px;
}

.ourAdvantages-3>* {
    position: relative;
}

.ourAdvantages-3 .developmentHistory-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 0;
    opacity: 0.08;
    background-size: 120vw auto;
    background-repeat: no-repeat;
    background-position: center 260px;
}

.developmentHistory {
    margin-top: 60px;
}

.developmentHistory .developmentHistory-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding-bottom: 60px;
    overflow: hidden;
}

.developmentHistory .developmentHistory-list::before {
    content: "";
    display: inline-block;
    height: 100%;
    /* border-left: 1px dashed #D9D9D9; */
    border-left: 1px dashed transparent;
    border-image: repeating-linear-gradient(45deg, #D9D9D9, #D9D9D9 4px, transparent 4px, transparent 8px) 2;
    position: absolute;
    left: 50%;
    top: 0;
}

.developmentHistory .developmentHistory-list .activeLight {
    content: "";
    display: inline-block;
    width: 1px;
    height: 110px;
    position: absolute;
    left: 50%;
    top: 0;
    background-image: linear-gradient(180deg, rgba(74, 83, 230, 0) 0%, #4A53E6 50%, rgba(74, 83, 230, 0) 100%);
    position: absolute;
    left: 50%;
    top: 0;
    animation: activeLightAnimation 5s linear infinite;
}

@keyframes activeLightAnimation {
    0% {
        top: 0%;
        transform: translateY(-100%);
    }

    100% {
        top: 100%;
        transform: translateY(100%);
    }
}




.developmentHistory-list .developmentHistory-item {
    display: flex;
    flex-direction: column;
    margin-top: -36px;
    position: relative;
}

.developmentHistory-list .developmentHistory-item:first-child {
    margin-top: 0;
}

.developmentHistory-list .developmentHistory-item:nth-child(odd) {
    transform: translateX(50%);
    align-items: flex-start;
    padding-left: 36px;
}

.developmentHistory-list .developmentHistory-item:nth-child(even) {
    transform: translateX(-50%);
    align-items: flex-end;
    padding-right: 36px;
}

.developmentHistory-list .developmentHistory-item:nth-child(odd)::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-sizing: border-box;
    background-color: #ffffff;
    border: 1px solid #4A53E6;
    position: absolute;
    left: 0;
    transform: translateX(-50%);
    top: 18px;
}

.developmentHistory-list .developmentHistory-item:nth-child(even)::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-sizing: border-box;
    background-color: #ffffff;
    border: 1px solid #4A53E6;
    position: absolute;
    right: 0;
    top: 18px;
    transform: translateX(50%);
}

.developmentHistory-list .developmentHistory-item.active::before {
    background-color: #4A53E6;
}

.developmentHistory-list .developmentHistory-item .time {
    font-family: Impact;
    font-size: 30px;
    line-height: 1.5em;
    color: #000000;
}

.developmentHistory-list .developmentHistory-item .name {
    font-weight: 500;
    font-size: 24px;
    line-height: 1.5em;
    color: #000000;
    margin-top: 10px;
}

.developmentHistory-list .developmentHistory-item .content {
    font-weight: 300;
    font-size: 18px;
    line-height: 1.5em;
    color: #333333;
    margin-top: 10px;
}


/* 我们的客户 */
.ourAdvantages-4 {
    padding: 80px 0;
    background: linear-gradient(0deg, #F7F8FF, #F7F8FF),
        linear-gradient(180deg, #F7F8FF 0%, rgba(247, 248, 255, 0) 100%),
        linear-gradient(270deg, rgba(247, 248, 255, 0) 0%, #F7F8FF 100%);
}

.ourAdvantages-4 .common-reason-subTitle {
    max-width: 1220px;
    font-size: 24px;
}

.ourClients {
    width: 100%;
    height: 190px;
    box-sizing: border-box;
    overflow: hidden;
    margin-top: 40px;
    position: relative;
}

.ourClients .ourClients-list {
    display: flex;
    width: fit-content;
    position: absolute;
    top: 10px;
    left: 0;
}



.ourClients-list .ourClients-item {
    min-width: 340px;
    width: fit-content;
    height: 170px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid #C2C7EB;
    margin-right: 10px;
    padding-left: 10px;
    padding-right: 10px;
}

.ourClients-list .ourClients-item .logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
}

.ourClients-list .ourClients-item .name {
    font-size: 18px;
    line-height: 36px;
    color: #333333;
    margin-top: 10px;
    letter-spacing: -0.04em;
    white-space: nowrap;
}

/* 联系我们 */
.ourAdvantages-5 {
    padding: 80px 0 100px;
    position: relative;
}



.ourAdvantages-5>* {
    position: relative;
}

.contactUs-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: 64%;
    background-position: center -70px;
    opacity: 0.15;
}

.contactUs {
    margin-top: 70px;
    width: 100%;
    height: 440px;
    border-radius: 10px;
    box-shadow: 0px 0px 14px 0px #00000026;
    background-image: url("/img/about/contactUs-pc.png");
    /* background-image: url("https://api.map.baidu.com/staticimage/v2?ak=CPKwSgFNhvKqKfTbN7Scle5wMZo17lp5&width=936&height=264&center=108.885197,34.222998&zoom=19&copyright=1&coordtype=gcj02ll&scaler=2"); */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.contactUs .contactUs-card {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(20px, -50%);
    background-color: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    padding: 30px 40px;
}

.contactUs .contactUs-card ::after {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: #ffffff;
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}


.contactUs .contactUs-card .icon-box {
    box-sizing: border-box;
    width: 70px;
    height: 70px;
    border: 1px solid #000000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
}

.contactUs .contactUs-card .icon-box .icon {
    width: 46px;
    height: 46px;
}

.contactUs .contactUs-card .content-box {
    flex: 1;
}

.contactUs .contactUs-card .content-box .name {
    font-weight: 600;
    font-size: 24px;
    color: #000000;
}

.contactUs .contactUs-card .content-box .address {
    font-weight: 300;
    font-size: 18px;
    color: #666666;
    margin-top: 10px;
}


/* 屏幕小于 1560px */
@media screen and (max-width: 1560px) {
    .wrapper {
        padding: 0 16px;
    }


    .aboutUs-right-card .aboutUs-content-text {
        width: fit-content;
    }


    .companyQualification {
        grid-template-columns: 1fr 1fr;
        width: fit-content;
        margin: 20px auto;
    }

    .companyQualification .image.image-horizontal {
        grid-column: span 2;
        margin: auto;
    }

    .companyQualification .image.image-vertical {
        margin: auto;
    }






    .ourAdvantages-3 .developmentHistory-bg {
        background-position: center bottom;
    }

    .developmentHistory .developmentHistory-list {
        align-items: flex-start;
        width: fit-content;
        margin: auto;
        padding-left: 24px;
        padding-bottom: 0;
    }

    .developmentHistory .developmentHistory-list::before {
        left: 24px;
    }

    .developmentHistory .developmentHistory-list .activeLight {
        left: 24px;
    }

    .developmentHistory-list .developmentHistory-item {
        margin-top: 13px;
    }

    .developmentHistory-list .developmentHistory-item:nth-child(odd),
    .developmentHistory-list .developmentHistory-item:nth-child(even) {
        transform: translateX(0%);
        align-items: flex-start;
        padding-left: 36px;
        padding-right: 0;
        box-sizing: border-box;
    }

    .developmentHistory-list .developmentHistory-item:nth-child(odd)::before,
    .developmentHistory-list .developmentHistory-item:nth-child(even)::before {
        left: 0;
        right: auto;
        transform: translateX(-50%);
    }

    /* 
    .contactUs .contactUs-list {
        grid-gap: 0;
    } */
    .contactUs .contactUs-card {
        /* 缩小 */
        transform: scale(0.8) translate(20px, -50%);
        /* 缩放中心 */
        transform-origin: left top;
    }


}


/* 屏幕小于 1375px */
@media screen and (max-width: 1375px) {}

/* 手机 版心 */
@media screen and (max-width: 768px) {
    .common-reason-subTitle {
        margin-top: 20px;
    }

    .banner .banner-img {
        height: 100vh;
        object-position: center bottom;
    }

    .banner-content .banner-text {
        margin-top: calc(108px + 48px);
        font-weight: 700;
        font-size: 22px;
        line-height: 170%;
        text-align: center;
    }


    .ourAdvantages-1 {
        padding: 20px 0 30px;
    }

    .aboutUs {
        margin-top: 20px;
        display: flex;
        flex-direction: column;
    }

    .symbol {
        display: none;
    }

    .aboutUs .aboutUs-left {
        width: 100%;
        height: auto;
    }

    .aboutUs .aboutUs-left img {
        width: 100%;
    }

    .aboutUs .aboutUs-right {}

    .aboutUs-right-card {
        position: relative;
        top: 0;
        left: 0;
        transform: translateY(0%);
        padding: 20px 16px 30px;
        margin-top: -80px;
        width: 100%;
        box-sizing: border-box;
    }

    .aboutUs-right-card .aboutUs-content-text {
        font-size: 14px;
        line-height: 150%;
    }

    .aboutUs-right-card .aboutUs-tags {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .aboutUs-tags .aboutUs-tag-item {
        min-width: fit-content;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-icon {
        width: 58px;
        height: 58px;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-icon .icon {
        width: 38px;
        height: 38px;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-content {
        margin-top: 10px;
        text-align: center;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-content .name-zh {
        font-weight: 500;
        font-size: 16px;
        text-align: center;
        margin-bottom: 0;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-content .name-zh::after {
        display: none;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-content .name-en {
        font-size: 12px;
        text-align: center;
        color: #000000;
        margin-top: 6px;
    }

    .ourAdvantages-2 {
        padding: 20px 0 40px;
    }

    .ourAdvantages-2 .common-reason-subTitle {
        font-size: 14px;
        text-align: left;
    }

    .companyQualification {
        grid-gap: 10px;
    }

    .companyQualification .image {
        width: 100%;
        height: auto;
    }

    .ourAdvantages-3 {
        padding: 20px 0 30px;
    }

    .ourAdvantages-3 .common-reason-subTitle {
        font-size: 14px;
        text-align: left;
    }


    .ourAdvantages-3 .developmentHistory-bg {
        background-size: auto 80%;
    }

    .developmentHistory {
        margin-top: 30px;
    }

    .developmentHistory-list .developmentHistory-item:nth-child(odd),
    .developmentHistory-list .developmentHistory-item:nth-child(even) {
        padding-left: 16px;
    }

    .developmentHistory-list .developmentHistory-item .time {
        font-size: 24px;
    }

    .developmentHistory-list .developmentHistory-item .name {
        font-size: 18px;
        margin-top: 0;
    }

    .developmentHistory-list .developmentHistory-item .content {
        font-size: 14px;
        margin-top: 0;
    }

    .ourAdvantages-4 {
        padding: 20px 0 50px;
    }

    .ourAdvantages-4 .common-reason-subTitle {
        font-size: 14px;
        text-align: left;
    }

    .ourClients {
        margin-top: 20px;
        height: 190px;
    }

    .ourClients .ourClients-list {
        top: 0;
        /* height: 190px; */
        /* width: fit-content;
        display: flex;
        flex-direction: column;
        flex-wrap: wrap; */
    }


    .ourClients-list .ourClients-item {
        height: 90px;
        box-sizing: border-box;
        width: fit-content;
        min-width: 200px;
    }



    .ourClients-list .ourClients-item .logo {
        width: 44px;
        height: 44px;
    }

    .ourClients-list .ourClients-item .name {
        font-size: 12px;
        line-height: 100%;
    }

    .ourAdvantages-5 {
        padding: 20px 0 40px;
    }

    .contactUs-bg {
        opacity: 0.17;
        background-size: 140%;
        background-position: center calc(100% + 50px);
    }

    .contactUs {
        margin-top: 30px;
        width: 100%;
        height: 520px;
        background-image: url("/img/about/contactUs-phone.png");
        /* background-image: url("https://api.map.baidu.com/staticimage/v2?ak=CPKwSgFNhvKqKfTbN7Scle5wMZo17lp5&width=519&height=936&center=108.884857,34.222798&zoom=19&copyright=1&coordtype=gcj02ll&scaler=2"); */
        border-radius: 10px;
        overflow: hidden;
        /* box-shadow: none; */
        /* background-color: #ffffff; */
    }


    .contactUs .contactUs-card {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, 0);
        background-color: #ffffff;
        border-radius: 10px;
        flex-direction: column;
        padding: 20px 16px;

        /* display: none; */
    }

    .contactUs .contactUs-card ::after {
        content: "";
        display: inline-block;
        width: 24px;
        height: 24px;
        background-color: #ffffff;
        position: absolute;
        left: 60%;
        top: -8px;
        transform: rotate(45deg);
    }

    .contactUs .contactUs-card .icon-box {
        margin-right: 0;
        margin-bottom: 10px;
        width: 40px;
        height: 40px;
    }

    .contactUs .contactUs-card .icon-box .icon {
        width: 26px;
        height: 26px;
    }

    .contactUs .contactUs-card .content-box {
        min-width: 216px;
        text-align: center;
    }

    .contactUs .contactUs-card .content-box .name {
        font-size: 18px;
    }

    .contactUs .contactUs-card .content-box .address {
        font-size: 14px;
        line-height: 1.5em;
    }



}

/* 小屏手机 */
@media screen and (max-width: 360px) {

    .banner .banner-img {
        height: 600px;
    }

    .aboutUs-right-card .aboutUs-content-text {
        font-size: 12px;
    }

    .aboutUs-right-card .aboutUs-tags {
        margin-top: 20px;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-icon {
        width: 48px;
        height: 48px;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-icon .icon {
        width: 28px;
        height: 28px;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-content .name-zh {
        font-size: 14px;
    }

    .aboutUs-tags .aboutUs-tag-item .tag-content .name-en {
        font-size: 10px;
    }

    .developmentHistory-list .developmentHistory-item .content {
        font-size: 12px;
    }

    .contactUs .contactUs-card .content-box {
        min-width: auto;
    }

    .contactUs .contactUs-card .content-box .name {
        font-size: 18px;
    }

    .contactUs .contactUs-card .content-box .address {
        font-size: 12px;
    }

}