.developmenthistory8dK3a {
    --timeline_axis_center:7rem;
    --timeline_marker_spacing:2rem;
    margin: var(--margin_tb) 0;
    background: var(--bg_color);
}

.developmenthistory8dK3a .developmenthistory8dK3a_shell {
    position: relative;
    padding-left: var(--padding_lr);
    padding-right: var(--padding_lr);
    max-width: var(--custom-content-max-width);
    margin-left: auto;
    margin-right: auto;
}

.developmenthistory8dK3a .developmenthistory8dK3a_timelineWrap {
    position: relative;
    padding-left: calc(var(--arrow_size) + 1.6rem);
    padding-right: calc(var(--arrow_size) + 1.6rem);
    /* margin-bottom: 3rem; */
}

.developmenthistory8dK3a.is-static .developmenthistory8dK3a_timelineWrap {
    padding-left: 0;
    padding-right: 0;
}

.developmenthistory8dK3a .developmenthistory8dK3a_timelineWrap::before {
    content: "";
    position: absolute;
    left: calc(var(--arrow_size) / 2);
    right: calc(var(--arrow_size) / 2);
    top: var(--timeline_axis_center);
    height: 0.05rem;
    background: var(--timeline_line_color);
    transform: translateY(-50%);
    pointer-events: none;
}

.developmenthistory8dK3a.is-static .developmenthistory8dK3a_timelineWrap::before {
    left: 0;
    right: 0;
}

.developmenthistory8dK3a .developmenthistory8dK3a_arrow {
    position: absolute;
    top: calc(var(--timeline_axis_center) - (var(--arrow_size) / 2));
    width: var(--arrow_size);
    height: var(--arrow_size);
    border: none;
    border-radius: 50%;
    background: var(--theme_color);
    color: var(--arrow_color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
    flex-shrink: 0;
    z-index: 2;
}

.developmenthistory8dK3a.is-static .developmenthistory8dK3a_arrow {
    display: none;
}

.developmenthistory8dK3a .developmenthistory8dK3a_arrowPrev {
    left: 0;
}

.developmenthistory8dK3a .developmenthistory8dK3a_arrowNext {
    right: 0;
}

.developmenthistory8dK3a .developmenthistory8dK3a_arrow:hover {
    background: var(--theme_color);
    transform: translateY(-0.2rem);
}

.developmenthistory8dK3a .developmenthistory8dK3a_arrow.swiper-button-disabled {
    opacity: 1;
    cursor: not-allowed;
    transform: none;
}

.developmenthistory8dK3a .developmenthistory8dK3a_arrow .yiyingbaoicon {
    font-size: 1.6rem;
    color: var(--arrow_color);
}

.developmenthistory8dK3a .developmenthistory8dK3a_trackViewport {
    position: relative;
    min-width: 0;
    padding-right: 0.1rem;
}

.developmenthistory8dK3a .developmenthistory8dK3a_trackSwiper {
    overflow: hidden;
}

.developmenthistory8dK3a .developmenthistory8dK3a_trackSwiper .swiper-wrapper {
    align-items: flex-start;
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.developmenthistory8dK3a .developmenthistory8dK3a_markerButton {
    position: relative;
    width: 100%;
    min-width: 0;
    min-height: calc(var(--timeline_axis_center) + var(--timeline_marker_spacing));
    padding: 0 1rem var(--timeline_marker_spacing);
    border: none;
    background: transparent;
    display: block;
    text-align: center;
    cursor: pointer;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.developmenthistory8dK3a .developmenthistory8dK3a_year {
    display: block;
    padding-bottom: 1.8rem;
    font-size: var(--year_size);
    color: var(--year_color);
    line-height: 1.1;
    white-space: nowrap;
    transition: color 0.3s ease, transform 0.3s ease;
}

.developmenthistory8dK3a .developmenthistory8dK3a_dot {
    position: absolute;
    left: 50%;
    top: var(--timeline_axis_center);
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 0.1rem solid var(--timeline_line_color);
    background: var(--timeline_line_color);
    transform: translate(-50%, -50%);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    z-index: 1;
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide.is-active .developmenthistory8dK3a_year {
    transform: translateY(-0.2rem);
}

.developmenthistory8dK3a .developmenthistory8dK3a_card {
    position: relative;
    padding: 3.2rem 2.8rem 2.8rem;
    background: var(--card_bg_color);
    border: 0.1rem solid #ece7da;
    overflow: hidden;
    height: auto;
    transform: translateY(0);
    transition: transform 0.45s ease, border-color 0.4s ease;
    isolation: isolate;
}

.developmenthistory8dK3a .developmenthistory8dK3a_card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--theme_color);
    clip-path: circle(0 at 100% 0);
    transition: clip-path 0.55s ease;
    z-index: 0;
}

.developmenthistory8dK3a .developmenthistory8dK3a_cardAccent {
    position: absolute;
    right: 0;
    top: 0;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 0 0 0 100%;
    background: color-mix(in srgb, var(--theme_color) 20%, transparent);
    z-index: 1;
    transition: background-color 0.35s ease;
}

.developmenthistory8dK3a .developmenthistory8dK3a_cardTitle {
    position: relative;
    margin: 0 0 1.6rem;
    font-size: var(--item_title_size);
    color: var(--item_title_color);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    z-index: 2;
    transition: color 0.4s ease;
}

.developmenthistory8dK3a .developmenthistory8dK3a_cardDescription {
    position: relative;
    margin: 0;
    font-size: var(--item_description_size);
    color: var(--item_description_color);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
    overflow: hidden;
    z-index: 2;
    transition: color 0.4s ease;
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover .developmenthistory8dK3a_card {
    transform: translateY(var(--card-hover-shift, -3.8rem));
    border-color: transparent;
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover {
    z-index: 3;
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover .developmenthistory8dK3a_year {
    color: var(--theme_color);
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover .developmenthistory8dK3a_dot {
    opacity: 0;
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover .developmenthistory8dK3a_card::before {
    clip-path: circle(170% at 100% 0);
}

.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover .developmenthistory8dK3a_cardTitle,
.developmenthistory8dK3a .developmenthistory8dK3a_itemSlide:hover .developmenthistory8dK3a_cardDescription {
    color: #ffffff;
}

@media (min-width: 768px) and (max-width: 1024px) {
    .developmenthistory8dK3a .developmenthistory8dK3a_markerButton {
        padding-left: 0.4rem;
        padding-right: 0.4rem;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_year {
        padding-bottom: 1.5rem;
        font-size: calc(var(--year_size) * .95);
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_cardTitle {
        font-size: calc(var(--item_title_size) * .95);
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_cardDescription {
        font-size: calc(var(--item_description_size) * .95);
    }
}

@media (max-width: 767px) {
    .developmenthistory8dK3a {
        --timeline_axis_center: 4.3rem;
        --timeline_marker_spacing: 1.5rem;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_timelineWrap {
        /* padding-left: 5rem;
        padding-right: 5rem;
        margin-bottom: 2.2rem; */
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_timelineWrap::before {
        left: 2rem;
        right: 2rem;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_arrow {
        width: 4rem;
        height: 4rem;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_markerButton {
        width: 100%;
        min-width: 0;
        padding: 0 0.4rem var(--timeline_marker_spacing);
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_year {
        padding-bottom: 3rem;
        font-size: calc(var(--year_size) * .7);
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_card {
        padding: 2.4rem 2rem 2rem;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_cardTitle {
        font-size: calc(var(--item_title_size) * .9);
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_cardDescription {
        font-size: calc(var(--item_description_size) * .9);
        line-height: 1.7;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_timelineWrap{
        margin-bottom: 0;
    }

    .developmenthistory8dK3a .developmenthistory8dK3a_shell{
        padding-left: 2rem;
        padding-right: 2rem;
    }
}