.crumbs_links {
    background: #F8F9FC;
    top: 80px;
    transition: 0.6s ease;
}

.crumbs_links.on {
    top: 60px;
}

body {
    background: #F8F9FC;
}

.section {
    padding: 80px 0 0;
}

.section .wrap {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.section .wrap .l_box {
    position: sticky;
    top: 40px;
    width: calc(50vw - 800px + 320px);
    padding: 105px 56px 100px calc(50vw - 800px);
}

.section .wrap .l_box .item {
    width: 100%;
}

.section .wrap .l_box .item .block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.section .wrap .l_box .item .block p {
    font-weight: bold;
    font-size: 16px;
    color: #000000;
    line-height: 50px;
    transition: 0.6s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.section .wrap .l_box .item .block .iconfont {
    font-size: 10px;
    color: #000000;
    transition: 0.6s;
    font-weight: bold;
}

.section .wrap .l_box .item .block:hover p, .section .wrap .l_box .item .block:hover .iconfont {
    color: #005FD5;
}

.section .wrap .l_box .item .none {
    padding: 10px 20px;
    display: none;
}

.section .wrap .l_box .item .none .none_item {
    display: flex;
    align-items: center;
    gap: 9px;
}

.section .wrap .l_box .item .none .none_item .dian {
    width: 5px;
    height: 5px;
    background: #000000;
    border-radius: 50%;
    opacity: 0;
    transition: 0.6s;
}

.section .wrap .l_box .item .none .none_item p {
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    line-height: 50px;
    opacity: 0.6;
    transition: 0.6s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.section .wrap .l_box .item .none .none_item:hover .dian, .section .wrap .l_box .item .none .none_item.on .dian {
    opacity: 1;
}

.section .wrap .l_box .item .none .none_item:hover p, .section .wrap .l_box .item .none .none_item.on p {
    opacity: 1;
}

.section .wrap .l_box .item.on .block p, .section .wrap .l_box .item.on .block .iconfont {
    color: #005FD5;
}

.section .wrap .l_box .item.item_active .block .iconfont {
    transform: rotate(90deg);
}

.section .wrap .r_box {
    border-left: 1px solid #EAECEE;
    width: calc(50vw + 800px - 320px);
    background: #FFFFFF;
    padding: 71px 0 0 71px;
}

.section .wrap .r_box .part {
    width: 1210px;
    margin-bottom: 100px;
}

.section .wrap .r_box .part .part_name {
    font-weight: bold;
    font-size: 30px;
    color: #005FD5;
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.section .wrap .r_box .part .part_name:after {
    content: "";
    width: 4px;
    height: 28px;
    background: #005FD5;
    position: absolute;
    left: -21px;
}

.section .wrap .r_box .part .part_des {
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    line-height: 30px;
    margin-bottom: 40px;
}

.section .wrap .r_box .part .part_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 100px 0;
}

.section .wrap .r_box .part .part_list .item {
    display: block;
    width: 100%;
}

.section .wrap .r_box .part .part_list .item .img {
    width: 100%;
    height: 330px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.section .wrap .r_box .part .part_list .item .img img {
    display: block;
    max-height: 100%;
    transition: 3s;
}

.section .wrap .r_box .part .part_list .item .line {
    width: 100%;
    height: 3px;
    background: #EAECEE;
    margin: 29px 0 0;
}

.section .wrap .r_box .part .part_list .item .line .tiao {
    width: 100px;
    height: 100%;
    background: #005FD5;
    transition: 2s;
}

.section .wrap .r_box .part .part_list .item .item_bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section .wrap .r_box .part .part_list .item .item_bottom > p {
    font-weight: bold;
    font-size: 20px;
    color: #000000;
    transition: 0.6s;
}

.section .wrap .r_box .part .part_list .item .item_bottom .more {
    display: flex;
    align-items: center;
    gap: 8px;
}

.section .wrap .r_box .part .part_list .item .item_bottom .more p {
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    transition: 0.6s;
}

.section .wrap .r_box .part .part_list .item .item_bottom .more .iconfont {
    font-size: 10px;
    color: #000000;
    transition: 0.6s;
}

.section .wrap .r_box .part .part_list .item:hover .img img {
    transform: scale(1.1);
}

.section .wrap .r_box .part .part_list .item:hover .line .tiao {
    width: 100%;
}

.section .wrap .r_box .part .part_list .item:hover .item_bottom > p {
    color: #005FD5;
}

.section .wrap .r_box .part .part_list .item:hover .item_bottom .more p {
    color: #005FD5;
}

.section .wrap .r_box .part .part_list .item:hover .item_bottom .more .iconfont {
    color: #005FD5;
}

.section .wrap .r_box .part .part_list.part_lists .item {
    width: 580px;
}

@media screen and (max-width: 1919px) {
    .crumbs_links {
        top: 4.1666666667vw;
    }

    .crumbs_links.on {
        top: 3.125vw;
    }

    .section {
        padding: 4.1666666667vw 0px 0px;
    }

    .section .wrap .l_box {
        top: 2.0833333333vw;
        width: calc(-25vw + 50vw);
        padding: 5.46875vw 2.9166666667vw 5.2083333333vw calc(-41.6666666667vw + 50vw);
    }

    .section .wrap .l_box .item .block p {
        font-size: 0.8333333333vw;
        line-height: 2.6041666667vw;
    }

    .section .wrap .l_box .item .block .iconfont {
        font-size: 0.5208333333vw;
    }

    .section .wrap .l_box .item .none {
        padding: 0.5208333333vw 1.0416666667vw;
    }

    .section .wrap .l_box .item .none .none_item {
        gap: 0.46875vw;
    }

    .section .wrap .l_box .item .none .none_item .dian {
        width: 0.2604166667vw;
        height: 0.2604166667vw;
    }

    .section .wrap .l_box .item .none .none_item p {
        font-size: 0.8333333333vw;
        line-height: 2.6041666667vw;
    }

    .section .wrap .r_box {
        width: calc(25vw + 50vw);
        padding: 3.6979166667vw 0px 0px 3.6979166667vw;
    }

    .section .wrap .r_box .part {
        width: 63.0208333333vw;
        margin-bottom: 5.2083333333vw;
    }

    .section .wrap .r_box .part .part_name {
        font-size: 1.5625vw;
        margin-bottom: 0.78125vw;
    }

    .section .wrap .r_box .part .part_name::after {
        width: 0.2083333333vw;
        height: 1.4583333333vw;
        left: -1.09375vw;
    }

    .section .wrap .r_box .part .part_des {
        font-size: 0.8333333333vw;
        line-height: 1.5625vw;
        margin-bottom: 2.0833333333vw;
    }

    .section .wrap .r_box .part .part_list {
        gap: 5.2083333333vw 0px;
    }

    .section .wrap .r_box .part .part_list .item .img {
        height: 17.1875vw;
        margin-bottom: 2.0833333333vw;
    }

    .section .wrap .r_box .part .part_list .item .line {
        height: 0.15625vw;
        margin: 1.5104166667vw 0px 0px;
    }

    .section .wrap .r_box .part .part_list .item .line .tiao {
        width: 5.2083333333vw;
    }

    .section .wrap .r_box .part .part_list .item .item_bottom > p {
        font-size: 1.0416666667vw;
    }

    .section .wrap .r_box .part .part_list .item .item_bottom .more {
        gap: 0.4166666667vw;
    }

    .section .wrap .r_box .part .part_list .item .item_bottom .more p {
        font-size: 0.8333333333vw;
    }

    .section .wrap .r_box .part .part_list .item .item_bottom .more .iconfont {
        font-size: 0.5208333333vw;
    }

    .section .wrap .r_box .part .part_list.part_lists .item {
        width: 30.2083333333vw;
    }
}
@media screen and (max-width: 768px) {
    .crumbs_links {
        display: none;
    }
    .section {
        padding: 100px 0 60px;
    }
    .section .wrap {
        display: block;
        width: 90%;
        margin: 0 auto;
    }
    .section .wrap .l_box {
        display: none;
    }
    .section .wrap .l_box .item {
        display: block;
    }
    .section .wrap .l_box .item .none {
        display: flex !important;
        flex-wrap: wrap;
        margin: 20px 0 0;
        padding: 20px 15px;
        background: #ffffff;
        border-radius: 8px;
        justify-content: space-between;
        gap: 10px 0;
    }
    .section .wrap .l_box .item .none .none_item {
        width: 48%;
    }
    .section .wrap .l_box .item .none .none_item .dian {
        display: none;
    }
    .section .wrap .l_box .item .none .none_item p {
        font-size: 14px;
        line-height: 1.4;
    }
    .section .wrap .l_box .item .block p {
        font-size: 20px;
        line-height: 1.4;
    }
    .section .wrap .l_box .item .block .iconfont {
        display: none;
    }
    .section .wrap .l_box {
        width: 100%;
        padding: 0 5vw;
        position: unset;
    }
    .section .wrap .r_box {
        width: 100%;
        border-left: unset;
        padding: 0;
        background: unset;
    }
    .section .wrap .r_box .part {
        width: 100%;
        margin-bottom: 30px;
        padding: 30px 20px;
        background: #ffffff;
    }
    .section .wrap .r_box .part .part_name {
        font-size: 18px;
        padding: 0 0 0 12px;
        margin-bottom: 25px;
    }
    .section .wrap .r_box .part .part_name::after {
        width: 2px;
        height: 18px;
        left: 0;
    }
    .section .wrap .r_box .part .part_list .item .img {
        height: 55vw;
        margin-bottom: 15px;
    }
    .section .wrap .r_box .part .part_des {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 15px;
    }
    .section .wrap .r_box .part .part_list.part_lists .item {
        width: 100%;
    }
    .section .wrap .r_box .part .part_list {
        gap: 30px 0;
    }
    .section .wrap .r_box .part .part_list .item .item_bottom > p {
        font-size: 15px;
    }
    .section .wrap .r_box .part .part_list .item .item_bottom .more {
        gap: 6px;
    }
    .section .wrap .r_box .part .part_list .item .item_bottom .more p {
        font-size: 14px;
    }
    .section .wrap .r_box .part .part_list .item .item_bottom .more .iconfont {
        font-size: 8px;
    }
    .section .wrap .r_box .part .part_list .item .line {
        height: 1px;
        margin: 15px 0 0;
    }
    .section .wrap .r_box .part .part_list .item .line .tiao {
        width: 100px;
    }
}