header {
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url("../img/about-our/banner.png");
    color: #fff;
    position: relative;
}
.header {
    position: absolute;
    top: 0px;
    left: 0px;
    text-align: center;
    width: 100%;
    height: 100%;
    background-color: rgba(60, 143, 207, 0.4);
}
.page {
    width: 1200px;
    margin: 50px auto;
}
.title {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 50px 0;
}
.content {
    margin-top: 100px;
}
.content-list {
    display: flex;
    color: #fff;
    justify-content: space-between;
}
.content-list-item-left {
    width: 50%;
    height: 400px;
    margin-right: 30px;
}
.content-list-item-right {
    width: 50%;
    line-height: 40px;
    color: #333;
    font-size: 18px;
    text-indent: 4rem;
}
.page2-list-item {
    flex:1;
    text-align: center;
}
.page2-item-title {
    margin-top: 10px;
    font-weight: 400;
    font-size: 20px;
    font-weight: bold;
}
.page2-item-text {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 400;
}
.page3-list-item {
    width: 340px;
    border: 10px;
    text-align: center;
    height: 550px;
    background-image: url("../img/about-our/bg_2.png");
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}
.page3-item-header {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    line-height: 180px;
    text-align: center;
    font-size: 60px;
    font-weight: bold;
    margin: 40px auto;
    border: 5px solid #fff;
}
.page3-item-text {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff;
    margin: 20px 0;
}
.page3-item-button {
    width: 240px;
    height: 80px;
    border: 2px solid #ffffff;
    text-align: center;
    line-height: 80px;
    margin: 30px auto;
    border-radius: 5px;
    font-size: 20px;
}
.page3-item-button:hover {
    cursor: pointer;
}
.container2 {
    width: 100%;
    padding: 50px 0;
}
.containerbg {
    width: 100%;
    padding: 50px 0;
    background-image: url("../img/about-our/bg_1.png");
    background-repeat: no-repeat;
    background-size: cover;
}
.containerLast {
    padding: 50px 0;
    margin: 0px;
    width: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url("../img/about-our/bg_3.png");
    height: 600px;
}
.page5-content {
    position: relative;
    width: 100%;
    height: 500px;
}
.img > img {
    position: absolute;
}
.img > img:nth-child(1) {
    top: 0px;
    left: 0px;
}
.img > img:nth-child(2) {
    top: 115px;
    left: 115px;
}
.img > img:nth-child(3) {
    top: 0px;
    left: 230px;
}
.img > img:nth-child(4) {
    top: 115px;
    left: 345px;
}
.img > img:nth-child(5) {
    top: 0;
    left: 460px;
}
.img > img:nth-child(6) {
    top: 115px;
    left: 575px;
}
.img > img:nth-child(7) {
    top: 0;
    left: 690px;
}
.img > img:nth-child(8) {
    top: 115px;
    left: 805px;
}
.img > img:nth-child(9) {
    top: 0;
    left: 920px;
}