.relatedActivities {
    width: 100%;
    background: #4475B7;
}
.related-wrapper {
    overflow: hidden;
} 
.related-wrapper .related-logo {
    width: 100%;
    height: 130px;
    margin: 60px 0 50px;
}
.related-wrapper .related-logo img {
    display: block;
    width: 432px;
    height: 100%;
    margin: 0 auto;
}
.related-wrapper .related-rules {
    height: 200px;
    margin-bottom: 30px;
    background: rgba(150, 187, 236, .2);
}
.related-wrapper .related-rules .related-rules-cont {
    padding: 20px;
}
.related-wrapper .related-rules .related-rules-cont h4 {
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
    line-height: 30px;
    margin-bottom: 16px;
}
.related-wrapper .related-rules .related-rules-cont p {
    font-size: 14px;
    font-weight: 500;
    line-height: 30px;
}
.related-wrapper .related-path {
    position: relative;
    height: 1390px;
    width: 100%;
    margin-bottom: 200px;
    max-width: 1200px;
    min-width: 1200px;
    background: url(../images/relatedActivities/pathBg.png) no-repeat;
    background-size: 100% 100%;
}
.related-wrapper .related-pdf-box {
    position: relative;
    display: flex;
}
.related-wrapper .related-pdf-box-1 {
    justify-content: center;
}
.related-wrapper .related-pdf-box-1::before,
.related-wrapper .related-pdf-box-2::before,
.related-wrapper .related-pdf-box-3::before,
.related-wrapper .related-pdf-box-4::before {
    content: "";
    position: absolute;
    width: 130px;
    height: 140px;
    z-index: 2;
}
.related-wrapper .related-pdf-box-1::before{
    left: 0;
    bottom: -37px;
    background: url(../images/relatedActivities/session_1.png) no-repeat;

}
.related-wrapper .related-pdf-box-2::before{
    right: 87px;
    bottom: -103px;
    background: url(../images/relatedActivities/session_2.png) no-repeat;

}
.related-wrapper .related-pdf-box-3::before{
    left: 50px;
    bottom: -97px;
    background: url(../images/relatedActivities/session_3.png) no-repeat;

}
.related-wrapper .related-pdf-box-4::before{
    right: 87px;
    bottom: -28px;
    background: url(../images/relatedActivities/session_4.png) no-repeat;
}
.related-wrapper .related-pdf-box .related-pdf-item {
    position: relative;
}
.related-wrapper .related-pdf-box .related-pdf-item img {
    max-width: 100%;
    display: inline-block;
}

.related-wrapper .related-pdf-box-1 .related-pdf-item::after {
    position: absolute;
    content: "";
    width: 33px;
    height: 72px;
    left: 50%;
    transform: translateX(-50%);
    background: url(../images/relatedActivities/line_tp.png) no-repeat;
    background-size: 100% 100%;
    z-index: 2;
}
.related-wrapper .related-pdf-box-1 .related-pdf-item.is-active::after, .related-wrapper .related-pdf-box-1 .related-pdf-item:hover::after{
    background: url(../images/relatedActivities/line_tp_hov.png) no-repeat;
}
.related-wrapper .related-pdf-box-2 .related-pdf-item::after,
.related-wrapper .related-pdf-box-3 .related-pdf-item::after,
.related-wrapper .related-pdf-box-4 .related-pdf-item::after {
    position: absolute;
    content: "";
    width: 33px;
    height: 94px;
    left: 50%;
    top: -94px;
    transform: translateX(-50%);
    background: url(../images/relatedActivities/line_bm.png) no-repeat;
    background-size: 100% 100%;
    z-index: 2;
}
.related-wrapper .related-pdf-box-2 .related-pdf-item.is-active::after,
.related-wrapper .related-pdf-box-3 .related-pdf-item.is-active::after,
.related-wrapper .related-pdf-box-4 .related-pdf-item.is-active::after,
.related-wrapper .related-pdf-box-2 .related-pdf-item:hover::after,
.related-wrapper .related-pdf-box-3 .related-pdf-item:hover::after,
.related-wrapper .related-pdf-box-4 .related-pdf-item:hover::after {
    background: url(../images/relatedActivities/line_bm_hov.png) no-repeat;
}
.related-wrapper .related-pdf-box .related-pdf-item {
    width: 200px;
    margin: 50px;
}
.related-wrapper .related-pdf-box-1 .related-pdf-item {
    margin: 0 50px 50px 50px;
}
.related-wrapper .related-pdf-box-4 .related-pdf-item {
    margin: 40px 30px;
}
.related-wrapper .related-pdf-box-2 .related-pdf-item {
    margin: 40px;
}
.related-wrapper .related-pdf-box-2 {
    justify-content: center;
    padding-top: 40px;
}
.related-wrapper .related-pdf-box-3 {
    margin: 75px 0 0 50px;
}
.related-wrapper .related-pdf-box-4{
    justify-content: center;
    margin-top: 80px;
}
.related-wrapper .related-pdf-box-4 .related-pdf-item-4::after {
    position: absolute;
    content: "";
    width: 33px;
    height: 77px;
    left: 50%;
    bottom: -73px;
    top: inherit;
    transform: translateX(-50%);
    background: url(../images/relatedActivities/line_tp.png) no-repeat;
    background-size: 100% 100%;
    z-index: 2;
}
.related-wrapper .related-pdf-box-4 .related-pdf-item-4.is-active::after,
.related-wrapper .related-pdf-box-4 .related-pdf-item-4:hover::after {
    background: url(../images/relatedActivities/line_tp_hov.png) no-repeat;
    background-size: 100% 100%;
} 

.related-pdf-item .related-pdf-mask {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 4px;
    background: rgba(0, 17, 38, .7);
}
.related-pdf-item:hover .related-pdf-mask{
    display: block;
}
.related-pdf-item .related-pdf-mask-cont {
    padding: 40px 12px;
}
.related-pdf-item .related-pdf-mask-cont .pdf-name {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}
.related-pdf-item .related-pdf-mask-cont .pdf-desc {
    padding-top: 20px;
    font-size: 12px;
    color: #fff;
    line-height: 20px;
}
.related-pdf-item .related-pdf-mask-cont .pdf-download {
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 50px;
    height: 50px;
    background: url(../images/relatedActivities/download_btn.png) no-repeat;
    background-size: 100% 100%;
    transform: translateX(-50%);
}
@media screen and (max-width: 1280px) {
    .related-wrapper .related-pdf-box .related-pdf-item {
        width: 240px;
        height: 340px;
    }
    .related-wrapper .related-pdf-box-1 .related-pdf-item  {
        margin: 0 20px 40px 40px;
    }
    .related-wrapper .related-pdf-box-2 .related-pdf-item {
        margin: 40px 20px;
    }
    .related-wrapper .related-pdf-box-3 {
        margin: 20px 0 0 50px;
    }
    .related-wrapper .related-pdf-box-4 {
        margin-top: 20px;
    }
    .related-wrapper .related-pdf-box-4 .related-pdf-item-4::after {
        bottom: -50px;
    }
}
@media screen and (max-width: 750px) {
    .related-wrapper {
        padding: 0 0.3rem;
    }
    .related-wrapper .related-logo {
        width: 4.32rem;
        height: 1.3rem;
        margin: .6rem auto .3rem;
    }
    .related-wrapper .related-logo img {
        width: 100%;
    }
    .related-wrapper .related-rules {
        height: auto;
    }
    .related-wrapper .related-rules .related-rules-cont p {
        line-height: .4rem;
        font-size: .26rem;
        font-weight: 500;
    }
    .related-wrapper .start_emigrated {
        width: 4.6rem;
        height: .88rem;
        text-align: center;
        line-height: .88rem;
        color: #98391C;
        font-weight: 800;
        font-size: .34rem;
        background: linear-gradient(0deg,#ff9a41 18%, #ffc75e);
        border-radius: .44rem;
        box-shadow: 0 .06rem 0 0 #ff8000; 
        margin: 0 auto .66rem;
    }
    .related-wrapper .m_show_map {
        display: none;
    }
    .m_show_map .related-path-m {
        position: relative;
        height: 7.85rem;
        width: 100%;
        margin: 1.05rem 0 .6rem 0;
        background: url(../images/relatedActivities/pathBg_m.png) no-repeat;
        background-size: 100% 100%;
    }
    .m_show_map .related-path-m .step-m {
        position: absolute;
        width: 1.52rem;
        height: 1.18rem;
    }
    .m_show_map .related-path-m .step-m-1 {
        top: -0.8rem;
        background: url(../images/relatedActivities/session_1.png) no-repeat;
        background-size: 100% 100%;
    }
    .m_show_map .related-path-m .step-m-2 {
        top: 1.5rem;
        right: .58rem;
        background: url(../images/relatedActivities/session_2.png) no-repeat;
        background-size: 100% 100%;
    }
    .m_show_map .related-path-m .step-m-3 {
        top: 4rem;
        left: .4rem;    
        background: url(../images/relatedActivities/session_3.png) no-repeat;
        background-size: 100% 100%;
    }
    .m_show_map .related-path-m .step-m-4 {
        bottom: .28rem;
        right: .36rem;
        background: url(../images/relatedActivities/session_4.png) no-repeat;
        background-size: 100% 100%;
    }
}