.mb_join_head {
    width: 100%;
    height: 49.3vw;
    background: url(https://files.yidatec.com/img/pc/join/mb-bg.png) no-repeat;
    background-size: 100% 100%;
    margin-top: 16vw;
    box-sizing: border-box;
    padding-top: 16.1vw;
    padding-left: 6.9vw;
}

.mb_join_head p:nth-child(1) {
    font-size: 4.5vw;
    font-weight: 400;
    color: #FFFFFF;
    margin-bottom: 6.6vw;
}

.mb_join_head p:nth-child(2) {
    font-size: 3.46vw;
    font-weight: 400;
    color: #FFFFFF;
}

.mb_join_section1 {
    width: 100%;
    height: auto;

}

.mb_join_tab {
    width: 100%;
    height: 13.3vw;
    line-height: 13.3vw;
    background-color: #FFFFFF;
    display: flex;
    justify-content: flex-start;
    box-sizing: border-box;
    padding: 0 7.7vw;
    text-align: left;
}

.mb_join_tab_item {
    font-size: 3.46vw;
    font-weight: 500;
    color: #000000;
    margin-right: 3.46vw;

}

.mb_join_tab_item_active {
    font-weight: bold;
    border-bottom: 0.53vw solid #3F86F9
}

.mb_join_item {
    display: none;
}

.mb_join_item_box {
    width: 100%;
    height: auto;
    background: url("https://files.yidatec.com/img/pc/join/invite-bg.png") no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    padding: 5.3vw 7.46vw;
}

.mb_join_item_show {
    display: block;
}

.mb_join_item p:nth-child(1) {
    font-size: 3.46vw;
    font-weight: bold;
    color: #000000;
    margin-bottom: 3.73vw;
}

.mb_join_item p:nth-child(2) {
    font-size: 2.93vw;
    font-weight: 400;
    color: #000000;
}

.mb_join_item .line {
    width: 100%;
    height: 0.23vw;
    background-color: #ccc;
    margin: 4.26vw 0;
}

.mb_join_item_list div {
    font-size: 3.46vw;
    font-weight: 400;
    text-decoration: underline;
    color: #445672;
    line-height: 9.86vw;
}

.mb_join_section2 {
    width: 100%;
    height: auto;
    box-sizing: border-box;
    padding: 8.5vw 6.9vw;
    background: url(https://files.yidatec.com/img/pc/join/mb-bg2.jpg) no-repeat;
    background-size: 100% 100%;
}

.mb_join_section2 .title {
    font-size: 4vw;
    font-weight: 500;
    color: #282D32;
}

.mb_join_section2 .line {
    width: 8.79vw;
    height: 0.53vw;
    background: #3580FF;
    margin: 4.3vw 0;
}

.mb_join_section2_list {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: flex-start;
    margin-bottom: 4vw;
}

.mb_join_section2_list_left {
    width: 5.86vw;
    height: 5.86vw;
    margin-right: 5vw;
    margin-top: 2vw;
}

.mb_join_section2_list_right {
    flex: 1;
}

.mb_join_section2_list_right p:nth-child(1) {
    font-size: 3.46vw;
    font-weight: 400;
    color: #000000;
    margin-bottom: 1.4vw;
}

.mb_join_section2_list_right p:nth-child(2) {
    font-size: 2.93vw;
    font-weight: 400;
    color: #404040;
    line-height: 4.8vw;
}

.mb_join_section3 {
    width: 100%;
    height: auto;
    background-color: #FFFFFF;
}

.mb_join_section3 .title {
    font-size: 4vw;
    font-weight: 500;
    color: #282D32;
    box-sizing: border-box;
    padding: 8.5vw 0 0 6.9vw;
}

.mb_join_section3 .line {
    width: 8.79vw;
    height: 0.53vw;
    background: #3580FF;
    margin: 4.3vw 6.9vw;
}



.tab_box {
    width: 100%;
    height: 13.3vw;
    line-height: 13.3vw;
    background-color: #FFFFFF;
    display: flex;
    justify-content: flex-start;
    text-align: left;
    box-sizing: border-box;
    padding: 0 2.9vw;
}

.tab_item {
    font-size: 2.8vw;
    font-weight: 500;
    color: #000000;
    margin-right: 3.46vw;

}

.tab_item_active {
    font-weight: bold;
    border-bottom: 0.53vw solid #3F86F9
}

.mb_join_section3_item {
    width: 100%;
    height: 69.86vw;
    display: none;
}

.mb_join_section3_item_box {
    width: 100%;
    height: 100%;
    background: #F5F2FE;
    display: flex;
    justify-content: space-between;
}

.mb_join_section3_item_left {
    width: 41.6vw;
    height: 100%;
}

.mb_join_section3_item_right {
    flex: 1;
    height: 100%;
    box-sizing: border-box;
    padding: 6.13vw;
}

.mb_join_section3_item_right p:nth-child(1) {
    font-size: 2.6vw;
    font-weight: bold;
    color: #000000;
    margin-bottom: 2.7vw;
}

.mb_join_section3_item_right p:nth-child(2) {
    font-size: 3.2vw;
    font-weight: 400;
    color: #000000;
    margin-bottom: 7.4vw;
}

.mb_join_section3_item_right .list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 3.3vw;
}

.mb_join_section3_item_right .list img {
    width: 8vw;
    height: 8vw;
    margin-right: 4vw;
}

.mb_join_section3_item_right .list p {
    font-size: 3.2vw;
    font-weight: 400;
    color: #000000;
    margin: 0;
}

.show {
    display: block;
}

.mbJob-content {
    width: 88vw;
    height: 117vw;
    margin: 0 auto;
    margin-top: 35%;
    background-color: #FFFFFF;
}

.mbjob-content-header {
    width: 100%;
    height: 13.6vw;
    line-height: 5.6vw;
    justify-content: space-between;
    align-items: center;
    background: url(https://files.yidatec.com/img/pc/join/job-header.png) no-repeat;
    background-size: 100% 100%;
    padding: 0 3vw;
    box-sizing: border-box;
}

.mbjob-content-header p {
    color: #FFFFFF;
    font-size: 4.3vw;
}

.mbclose-job {
    width: 4.3vw;
    height: 4.3vw;
}

.mbform-input {
    width: 60%;
    height: 8vw;
    line-height: normal;
    background-color: #f3f3f5;
    border: none;
    border-radius: 0.26vw;
    padding: 0.6vw 1vw;
    font-size: 1.2vw;
}

.mbJob-content .form-item i {
    width: 0.5vw;
    color: #f56c6c;
    margin-right: 2.5vw;
}

.mbhandle-file {
    width: 60%;
    height: 28vw;
    padding: 1.5vw 1vw;
    background-color: #f3f3f5;
    text-align: center;
}

.mbhandle-file .handle-file-img {
    width: 5.8vw;
    height: 4.3vw;
    margin: 2vw auto;
}

.mbhandle-file P:nth-child(2) {
    font-size: 2.46vw;
    margin-bottom: 1vw;
}

.mbhandle-file P:nth-child(3) {
    font-size: 2.46vw;
    margin-bottom: 2vw;
}

.mbhandle-file .chose-file-btn {
    width: 19.3vw;
    height: 6.5vw;
    background-color: #3260f5b0;
    color: #fff;
    border-radius: 5px;
    font-size: 1vw;
    line-height: 6.5vw;
    text-align: center;
    margin: 0 auto;
}

.mbsubmit-btn {
    width: 19vw;
    height: 6.5vw;
    background-color: #23211E;
    color: #fff;
    border-radius: 5px;
    font-size: 1.2vw;
    line-height: 6.5vw;
    text-align: center;
    margin-bottom: 0.5vw
}

.mbform-foot-text {
    font-size: 3.46vw;
    padding: 2vw 0;
}
.mbfile-name{
    width: 40vw;
    margin: auto;
    text-align: left;
    font-size: 1vw;
    margin-top: -1vw;
    margin-bottom: 2vw;
    color: #939393;
}
.fileItem{
    position: relative;
}
.mbfileItem{
    position: relative;
}
.pcFileBtn{
    position: absolute;
    top: 10vw;
}
.mbchose-file-btn{
    position: absolute;
    left: 38vw;
    top: 22vw;
}
.mbhandle-file{
    width: 60%;
    height: 30vw;
    padding: 1.5vw 1vw;
    background-color: #f3f3f5;
    text-align: center;
}