@font-face {
    font-family: mFont;
    src: url('../font/YouSheBiaoTiHei-2.ttf');
}


.milestone_box {
    padding: 0;
    position: relative;
}

.milestone_box .main_conRC {
    padding: 0;
}

.milestone_box .timeline {
    position: absolute;
    left: 50%;
    top: 166px;
    transform: translateX(-50%);
    width: 20px;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.milestone_box .timeline .time_year {
    margin: 10px 0;
    height: 30px;
    font-size: 24px;
    font-weight: 400;
    color: #6A2686;
    font-family: mFont;
    line-height: 30px;
}
.milestone_box .timeline .time_year:first-of-type {
    margin-top: 0;
}

.milestone_box .timeline .time_space {
    width: auto;
    height: auto;
    border-left: 2px dashed #DFB7E7;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    left: 24px;
}

.milestone_box .timeline .time_point {
    width: 46px;
    height: 20px;
    /* background: #FFFFFF; */
    /* border: 1px solid #6A2686; */
    /* border-radius: 50%; */
    /* display: flex;
    justify-content: center;
    align-items: center; */
    margin-bottom: 224px;
    position: relative;
    left: -46px;
}
.milestone_box .timeline .time_point {
    margin-bottom: 256px;
}

.milestone_box .time_space .time_point:last-of-type {
    margin-bottom: 208px;
}

.milestone_box .time_space:last-of-type .time_point:last-of-type {
    margin-bottom: 0;
}

/* .milestone_box .timeline .time_point::after {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    background-color: #6A2686;
    border-radius: 50%;
} */

.milestone_box .milestone_content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.milestone_box .milestone_content .milestone_item {
    width: calc((100% - 100px) / 2);
    height: 516px;
    border: 1px solid #D9D9D9;
    margin-bottom: 40px;
    overflow: hidden;
    position: relative;
    display: block;
}

.milestone_item:nth-of-type(2) {
    margin-top: 278px;
}

.milestone_item:nth-of-type(2n + 1) {
    margin-top: -278px !important;
}

.milestone_item:first-of-type {
    margin-top: 0 !important;
}

.milestone_content .milestone_item .img_box {
    width: 100%;
    height: 332px;
    overflow: hidden;
}

.milestone_content .milestone_item .preview_img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    margin: 0 !important;
    transition: all .4s;
    transform: scale(1.3);
}

.milestone_item:hover .preview_img {
    transform: scale(1.2);
}

.milestone_content .milestone_item .datetime {
    font-size: 20px;
    font-weight: bold;
    color: #6A2686;
    line-height: 24px;
    margin: 20px 0 10px;
    padding: 0 20px;
    box-sizing: border-box;
}

.milestone_content .milestone_item .title {
    font-size: 20px;
    font-weight: bold;
    color: #101820;
    padding: 0 20px;
    box-sizing: border-box;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.milestone_content .milestone_item .icon-logo {
    font-size: 80px;
    color: rgba(106, 38, 134, 0.05);
    position: absolute;
    right: -20px;
    bottom: -30px;
}

.milestone_content .milestone_item .more {
    width: 100%;
    height: 64px;
    position: absolute;
    left: 0;
    bottom: 0;
}

.milestone_item .more .more_txt {
    position: absolute;
    right: 70px;
    top: 5px;
    font-size: 20px;
    font-weight: bold;
    color: #6A2686;
    opacity: 0;
    transition: all .4s;
}

.milestone_item:hover .more .more_txt {
    opacity: 1;
}

.milestone_item .more .arrow {
    position: absolute;
    right: 20px;
    top: 0;
    width: 40px;
    height: 40px;
    text-align: center;
    font-size: 20px;
    line-height: 40px;
    background-color: transparent;
    display: inline-block;
    color: #BEBEBE;
    transition: all .8s;
}

.milestone_item:hover .more .arrow {
    color: #6A2686;
    transform: rotate(45deg);
}

.milestone_item .more::after {
    content: '';
    width: 0;
    height: 5px;
    display: block;
    background-color: #6A2686;
    position: absolute;
    left: 0;
    bottom: 0;
    transition: width .4s;
}

.milestone_item:hover .more::after {
    width: 100%;
}

@media only screen and (max-width: 750px) {

    .milestone_box .module_one {
        display: flex;
        justify-content: space-between;
    }

    .milestone_box .timeline {
        position: relative;
        left: 10px;
        transform: translateX(0);
    }

    .milestone_box .timeline .time_year {
        font-size: 20px;
    }

    .milestone_box .timeline .time_space {
        left: 12px !important;
    }

    .milestone_box .time_space .time_point {
        width: 30px !important;
        height: 13px !important;
        transform: rotate(180deg) !important;
        left: -2px !important;
        margin-bottom: 536px;
    }

    .milestone_box .time_space .time_point:last-of-type {
        margin-bottom: 486px;
    }

    .milestone_box .milestone_content {
        width: 84%;
        flex-direction: column;
    }

    .milestone_box .milestone_content .milestone_item {
        width: 100%;
        margin: 0 0 40px !important;
    }

    .milestone_box .milestone_item .title {
        font-size: 16px;
    }

    .milestone_box .milestone_item .more::after {
        width: 100%;
    }
    .milestone_box .milestone_item .more_txt {
        opacity: 1;
        font-size: 16px;
    }

    .milestone_box .milestone_item .arrow {
        transform: rotate(45deg);
        color: #6A2686;
    }

}