* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    box-sizing: border-box;
}
#mainBox {
    width: 100%;
}
.common-header {
    width: 100%;
    height: 80px;
}
.common-footer {
    width: 100%;
    height: 108px;
}
.bannerBox {
    height: 600px;
    background: url('../assets/banner4.jpg') no-repeat;
    /* margin-top: -4px; */
}
.banner-text {
    width: 1200px;
    padding: 153px 20px;
    margin: 0 auto;
}
.banner-text p {
    margin-top: 49px;
    font-size: 20px;
    color: #fff;
    line-height: 33px;
    font-weight: 100;
    text-align: center;
}
.banner-text div {
    text-align: center;
}
.contentBox {
    background: #f2f2f2;
}
.c-intr-box {

}
.c-intr-content {
    width: 1200px;
    padding: 50px 0;
    margin: 0 auto;
    overflow: hidden;
}
.c-intr-content div {
    float: left;
}
.c-intr-content-imgBox1 {
    padding-top: 70px;
}
.c-intr-content-text {
    width: 468px;
    margin-left: 36px;
    padding-top: 70px;
}
.c-intr-content-text div:nth-child(1) {
    width: 100%;
    overflow: hidden;
}
.c-intr-content-text div:nth-child(2) {
    margin-top: 34px;
    font-size: 20px;
    line-height: 33px;
}
.c-intr-content-imgBox2 {
    margin-left: 48px;
}
.c-intr-content-imgBox2 img {
    width: 567px;
}
.m-r-content {
    width: 1200px;
    padding: 0 0 50px;
    margin: 0 auto;
    overflow: hidden;
}
.m-r-content-imgBox1 {

}
.m-r-content-imgBox1 img {
    width: 567px;
}
.m-r-content-imgBox2 {
    padding-top: 36px;
    margin-left: 36px;
}
.m-r-content div {
    float: left;
}
.m-r-content-text {
    padding-top: 36px;
    color: #000;
    width: 468px;
    margin-left: 36px;
}
.m-r-content-text div:nth-child(1) {
    width: 100%;
}
.m-r-content-text div:nth-child(2) {
    font-size: 20px;
    font-weight: bold;
    line-height: 33px;
    margin-top: 36px;
}
.m-r-content-text div:nth-child(3) {
    font-size: 20px;
    font-weight: Thin;
    line-height: 33px;
    margin-top: 22px;
}
.m-r-content-text div:nth-child(4) {
    margin-top: 40px;
}
.join-us-content {
    width: 1200px;
    padding: 0 0 50px;
    margin: 0 auto;
    overflow: hidden;
}
.join-us-content div {
    float: left;
}
.join-us-content-imgBox1 {
    padding-top: 70px;
}
.join-us-content-text {
    width: 468px;
    margin-left: 36px;
    padding-top: 36px;
}
.join-us-content-text div:nth-child(1) {
    width: 100%;
    overflow: hidden;
}
.join-us-content-text div:nth-child(2) {
    margin-top: 34px;
    font-size: 20px;
    line-height: 33px;
}
.join-us-content-imgBox2 {
    margin-top: 40px;
}
.join-us-content-imgBox3 {
    margin-left: 48px;
}
.join-us-content-imgBox3 img {
    width: 567px;
}