.banner-container {
    width: 100%;
    height: 520px;
    margin-top: -1px;
    text-align: center;
}

.banner-wrapper-center {
    width: 100%;
    background-color: #fff;
    background-repeat: no-repeat;
    max-width: 1920px;
    margin: 0 auto;
}

.banner-container-center {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    height: 520px;
}

.banner-container-center .title {
    color: #fff;
    font-size: 35px;
    text-align: left;
    font-weight: bold;
    margin-left: 50px;
}

.banner-container-center .title-1 {
    padding-top: 250px;
}

.banner-container-center .title-2 {
    padding-top: 20px;
}

.banner-container-center .banner2 {
    width: 370px;
    height: 230px;
    float: right;
    margin-top: -150px;
    margin-right: 75px;
    background-repeat: no-repeat;
    background-image: url("../image/aboutus/banner2.png");
}

.aboutus-container .aboutus-container-center {
    width: 1200px;
    margin: 90px auto 10px;
    background-repeat: no-repeat;
    background-image: url("../image/aboutus/aboutus-map.png");
    background-position: center;
    height: 340px;
}

.aboutus-container .aboutus-container-center .title {
    font-size: 44px;
    font-weight: bold;
    color: #000;
}

.aboutus-container .aboutus-container-center .item {
    font-size: 18px;
    color: #000;
    margin-left: 75px;
    line-height: 25px;
}

.aboutus-container .aboutus-container-center .aboutus-tip {
    vertical-align: middle;
    height: 50px;
    display: inline-block;
    width: 50px;
    background-repeat: no-repeat;
    background-image: url("../image/aboutus/aboutus-tip.png");
    padding-left: 25px;
}

.values-container {
    width: 1165px;
    height: 545px;
    text-align: center;
    margin: 50px auto;
}

.values-container .title {
    font-size: 44px;
    font-weight: bold;
    color: #000;
}

.values-container .spit-hr {
    width: 50px;
    height: 1px;
    margin: 30px auto;
    border-bottom: 2px solid #b4b4b7;
}

.values-container .values-li {
    width: 375px;
    height: 375px;
    float: left;
    margin-right: 20px;
}

.values-container .values-li:last-child {
    margin-right: 0px;
}

.values-container .values-li-bg {
    height: 375px;
    display: inline-block;
    width: 375px;
    background-repeat: no-repeat;
}

.values-container .values-li-bg1 {
    background-image: url("../image/aboutus/innovation.png");
}

.values-container .values-li-bg2 {
    background-image: url("../image/aboutus/empowerment.png");
}

.values-container .values-li-bg3 {
    background-image: url("../image/aboutus/inclusive.png");
}

.values-container .values-li-bg .li-title {
    color: #fff;
    font-size: 35px;
    margin-top: 110px;
}

.values-container .values-li-bg .li-content {
    color: #fff;
    font-size: 18px;
    padding: 50px 90px;
    line-height: 25px;
}

.good-value-container {
    width: 100%;
    text-align: center;
}

.good-value-center {
    width: 1185px;
    margin: 0 auto;
    height: 100%;
}

.good-value-container .good-value-center .bg-value {
    width: 395px;
    height: 220px;
    background-repeat: no-repeat;
    float: left;
    color: #fff;
    font-size: 18px;
}

.good-value-center .title {
    font-size: 45px;
    color: #000;
    padding: 50px 0 10px;
    font-weight: bold;
}

.good-value-center .spit-hr {
    width: 50px;
    height: 1px;
    margin: 30px auto 50px;
    border-bottom: 2px solid #b4b4b7;
}

.good-value-container .good-value-center .bg-value-1 {
    background-image: url("../image/aboutus/value-1.png");
}

.good-value-container .good-value-center .bg-value-2 {
    background-image: url("../image/aboutus/value-2.png");
}

.good-value-container .good-value-center .bg-value-3 {
    background-image: url("../image/aboutus/value-3.png");
}

.good-value-container .good-value-center .bg-value-4 {
    background-image: url("../image/aboutus/value-4.png");
}

.good-value-container .good-value-center .bg-value-5 {
    background-image: url("../image/aboutus/value-5.png");
}

.good-value-container .good-value-center .bg-value-6 {
    background-image: url("../image/aboutus/value-6.png");
}

.good-value-container .good-value-center .bg-value > div {
    margin-top: 40px;
    color: #ff9900;
    font-weight: bold;
    font-size: 24px;
}

.good-value-container .good-value-center .bg-value > span {
    width: 350px;
    display: inline-block;
    margin-top: 20px;
    line-height: 30px;
    text-align: left;
    font-size: 16px;
}

.cooperation-container {
    width: 1200px;
    margin: 0 auto;
    height: 100%;
    text-align: center;
}

.cooperation-container .title {
    font-size: 45px;
    color: #000;
    padding: 110px 0 10px;
    font-weight: bold;
}

.cooperation-container .spit-hr {
    width: 50px;
    height: 1px;
    margin: 30px auto 50px;
    border-bottom: 2px solid #b4b4b7;
}

.cooperation-container .cooperation-map {
    width: 1200px;
    height: 370px;
    background-repeat: no-repeat;
    background-image: url("../image/aboutus/cooperation-map.png");
    margin-bottom: 50px;
}

#cooperation-map2 {
    width: 1200px;
    height: 370px;
    overflow: hidden;
    margin: 0;
    font-family: "微软雅黑";
    margin-bottom: 50px;
}

.cert-info {
    width: 100%;
    height: 870px;
    text-align: center;
    background-color: #fff;
}

.cert-info .spit-hr {
    width: 50px;
    height: 1px;
    margin: 30px auto 0;
    border-bottom: 2px solid #b4b4b7;
}

.cert-info > .title {
    font-size: 45px;
    width: 100%;
    text-align: center;
    color: #000;
    font-weight: bold;
    padding: 65px 0 0;
}

.cert-info-center {
    width: 1185px;
    margin: 0 auto;
    height: 925px;
    padding-top: 50px;
}

.cert-info-li-bg {
    height: 250px;
    display: inline-block;
    width: 285px;
    background-repeat: no-repeat;
    background-size: 285px 200px;
}
.cert-info-li {
    float: left;
    width: 285px;
    transition: 0.5s;
}
.cert-info-li:hover {
    transform: scale(1.5);
}
.cert-info-li2:hover {
    transform: scale(2);
}
.cert-info-li:not(:last-child) {
    margin-right: 10px;
}

.cert-info-li2 {
    float: left;
    height: 350px;
    transition: 0.5s;
}
.cert-info-li2:not(:last-child) {
    margin-right: 30px;
}

.cert-info-li2-image {
    display: inline-block;
    background-size: contain;

    background-repeat: no-repeat;
    height: 350px;
}

/* .cert-info-li2-image:hover{
    width: 250px !important;
    position: absolute;
    z-index: 555;
  } */

.development-history-container {
    background-image: url("../image/index/background/development-history.png");
    width: 100%;
    height: 720px;
    background-size: cover;
    background-position: center;
    text-align: center;
    margin-top: 65px;
}

.development-history-detail {
    font-size: 45px;
    color: #fff;
    padding: 64px 0 0px;
    font-weight: bold;
}

.development-history-detail .spit-hr {
    width: 50px;
    height: 1px;
    margin: 30px auto;
    border-bottom: 2px solid #fff;
}

.development-history-content {
    width: 1200px;
    margin: 0 auto;
}

.development-history-content .content-item {
    float: left;
    color: #fff;
    text-align: left;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 5px 10px;
    font-size: 12px;
    line-height: 20px;

    transition: 0.5s;
}
.development-history-content .content-item:hover {
    background-color: #0050cb;
    transform: scale(1.2);
}
.development-history-content .content-item-one {
    margin: 350px 4% 0 6%;
    width: 30%;
}
.development-history-content .content-item-two {
    margin-top: 295px;
    margin-right: 4%;
    width: 26%;
}
.development-history-content .content-item-three {
    margin-top: 245px;
    width: 25%;
}
.development-history-content .content-item p {
    display: flex;
}
.development-history-content .content-item .time {
    flex-grow: 1;
}
.development-history-content .content-item .text {
    flex: 22;
}