.sec1 {
    padding: 120px 0 100px;
}

.sec1 .wrap .flex {
    display: flex;
    justify-content: space-between;
    margin-bottom: 90px;
}

.sec1 .wrap .flex .text {
    width: 700px;
    font-weight: normal;
    font-size: 18px;
    color: #333333;
    line-height: 36px;
}

.sec1 .wrap .imgs {
    display: flex;
    justify-content: space-between;
}

.sec1 .wrap .imgs .img {
    width: 680px;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
}

.sec1 .wrap .imgs .img img {
    display: block;
    width: 100%;
    height: 100%;
}

.sec2 {
    width: 100vw;
    overflow: hidden;
    padding: 65px 0 159px;
}

.sec2 .sec2_top {
    position: relative;
    width: 100%;
    padding: 94px 0 77px;
}

.sec2 .common_title {
    text-align: center;
    color: #FFFFFF;
    margin-bottom: 51px;
}

.sec2 .year_list {
    width: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
}

.sec2 .year_list:after {
    content: "";
    width: 366px;
    height: 2px;
    background: #FFFFFF;
    opacity: 0.5;
    position: absolute;
    top: 11px;
    left: 50%;
    transform: translateX(-50%);
}

.sec2 .year_list .swiper-slide {
    width: 36px;
    position: relative;
    z-index: 3;
}

.sec2 .year_list .swiper-slide .cir {
    width: 24px;
    height: 24px;
    background: #FFFFFF;
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sec2 .year_list .swiper-slide .cir:after {
    content: "";
    width: 16px;
    height: 16px;
    background: #184392;
    border-radius: 50%;
    opacity: 0;
    transition: 0.6s;
}

.sec2 .year_list .swiper-slide p {
    font-weight: normal;
    font-size: 14px;
    color: #FFFFFF;
    text-align: center;
    line-height: 1;
    margin: 12px 0 0;
}

.sec2 .year_list .swiper-slide:nth-child(1) .cir:after {
    opacity: 1;
}

.sec2 .wrap {
    padding: 158px 0 0;
}

.sec2 .wrap .year_swiper {
    width: 2250px;
}

.sec2 .wrap .year_swiper .swiper-slide {
    display: flex;
    justify-content: space-between;
}

.sec2 .wrap .year_swiper .swiper-slide .year {
    font-weight: 600;
    font-size: 80px;
    color: #E6E6E6;
    line-height: 1;
    transition: 0.6s;
}

.sec2 .wrap .year_swiper .swiper-slide .slide_box {
    width: 470px;
}

.sec2 .wrap .year_swiper .swiper-slide .slide_box .slide_title {
    font-weight: normal;
    font-size: 18px;
    color: #CCCCCC;
    transition: 0.6s;
}

.sec2 .wrap .year_swiper .swiper-slide .slide_box .line {
    width: 100%;
    height: 1px;
    background: #E6E6E6;
    margin: 18px 0;
    position: relative;
}

.sec2 .wrap .year_swiper .swiper-slide .slide_box .line:after, .sec2 .wrap .year_swiper .swiper-slide .slide_box .line:before {
    content: "";
    width: 7px;
    height: 7px;
    background: #E6E6E6;
    border-radius: 50%;
    position: absolute;
    top: -3px;
    left: 0;
}

.sec2 .wrap .year_swiper .swiper-slide .slide_box .line:before {
    right: 0;
    left: unset;
}

.sec2 .wrap .year_swiper .swiper-slide .slide_box .slide_text {
    font-weight: normal;
    font-size: 18px;
    color: #CCCCCC;
    line-height: 32px;
    transition: 0.6s;
}

.sec2 .wrap .year_swiper .swiper-slide.swiper-slide-active .year {
    color: #184392;
}

.sec2 .wrap .year_swiper .swiper-slide.swiper-slide-active .slide_box .slide_title {
    color: #111111;
}

.sec2 .wrap .year_swiper .swiper-slide.swiper-slide-active .slide_box .slide_text {
    color: #333333;
}

.sec2 .wrap .swiper_control {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 170px 0 0;
}

.sec2 .wrap .swiper_control .swiper-pagination {
    position: unset;
    width: 1200px;
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
}

.sec2 .wrap .swiper_control .swiper-pagination .swiper-pagination-progressbar-fill {
    height: 3px;
    background: #184392;
    top: -1px;
}

.sec2 .wrap .swiper_control .btns {
    display: flex;
    gap: 0 12px;
}

.sec2 .wrap .swiper_control .btns .iconfont {
    width: 55px;
    height: 55px;
    background: #F0F1F2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: 0.6s;
}

.sec2 .wrap .swiper_control .btns .iconfont:nth-child(1) {
    transform: rotate(180deg);
}

.sec2 .wrap .swiper_control .btns .iconfont:hover {
    background: #184392;
    color: #FFFFFF;
}

/*# sourceMappingURL=about.css.map */
@media screen and (max-width: 1919px) {
    .sec1 {
        padding: 6.25vw 0px 5.2083333333vw;
    }

    .sec1 .wrap .flex {
        margin-bottom: 4.6875vw;
    }

    .sec1 .wrap .flex .text {
        width: 36.4583333333vw;
        font-size: 0.9375vw;
        line-height: 1.875vw;
    }

    .sec1 .wrap .imgs .img {
        width: 35.4166666667vw;
        height: 20.8333333333vw;
        border-radius: 1.0416666667vw;
    }

    .sec2 {
        padding: 3.3854166667vw 0px 8.28125vw;
    }

    .sec2 .sec2_top {
        padding: 4.8958333333vw 0px 4.0104166667vw;
    }

    .sec2 .common_title {
        margin-bottom: 2.65625vw;
    }

    .sec2 .year_list {
        width: 20.8333333333vw;
    }

    .sec2 .year_list::after {
        width: 19.0625vw;
        height: 0.1041666667vw;
        top: 0.5729166667vw;
    }

    .sec2 .year_list .swiper-slide {
        width: 1.875vw;
    }

    .sec2 .year_list .swiper-slide .cir {
        width: 1.25vw;
        height: 1.25vw;
    }

    .sec2 .year_list .swiper-slide .cir::after {
        width: 0.8333333333vw;
        height: 0.8333333333vw;
    }

    .sec2 .year_list .swiper-slide p {
        font-size: 0.7291666667vw;
        margin: 0.625vw 0px 0px;
    }

    .sec2 .wrap {
        padding: 8.2291666667vw 0px 0px;
    }

    .sec2 .wrap .year_swiper {
        width: 117.1875vw;
    }

    .sec2 .wrap .year_swiper .swiper-slide .year {
        font-size: 4.1666666667vw;
    }

    .sec2 .wrap .year_swiper .swiper-slide .slide_box {
        width: 24.4791666667vw;
    }

    .sec2 .wrap .year_swiper .swiper-slide .slide_box .slide_title {
        font-size: 0.9375vw;
    }

    .sec2 .wrap .year_swiper .swiper-slide .slide_box .line {
        margin: 0.9375vw 0px;
    }

    .sec2 .wrap .year_swiper .swiper-slide .slide_box .line::after, .sec2 .wrap .year_swiper .swiper-slide .slide_box .line::before {
        width: 0.3645833333vw;
        height: 0.3645833333vw;
        top: -0.15625vw;
    }

    .sec2 .wrap .year_swiper .swiper-slide .slide_box .slide_text {
        font-size: 0.9375vw;
        line-height: 1.6666666667vw;
    }

    .sec2 .wrap .swiper_control {
        margin: 8.8541666667vw 0px 0px;
    }

    .sec2 .wrap .swiper_control .swiper-pagination {
        width: 62.5vw;
    }

    .sec2 .wrap .swiper_control .swiper-pagination .swiper-pagination-progressbar-fill {
        height: 0.15625vw;
    }

    .sec2 .wrap .swiper_control .btns {
        gap: 0px 0.625vw;
    }

    .sec2 .wrap .swiper_control .btns .iconfont {
        width: 2.8645833333vw;
        height: 2.8645833333vw;
        font-size: 0.8333333333vw;
    }
}
@media screen and (max-width: 768px) {
    .sec1 {
        padding: 40px 0 50px;
    }
    .sec1 .wrap .flex {
        display: block;
        margin-bottom: 35px;
    }
    .sec1 .wrap .imgs {
        display: block;
    }
    .sec1 .wrap .imgs .img {
        width: 100%;
        height: 52vw;
        border-radius: 6px;
    }
    .sec1 .wrap .imgs .img:nth-child(1) {
        margin: 0 0 30px;
    }
    .sec1 .wrap .flex .text {
        width: 100%;
        font-size: 15px;
        line-height: 1.8;
        margin: 15px 0 0;
    }
    .sec2 {
        padding: 0 0 40px;
    }
    .sec2 .sec2_top {
        padding: 40px 0 50px;
    }
    .sec2 .common_title {
        margin-bottom: 30px;
    }
    .sec2 .year_list {
        width: 90%;
    }
    .sec2 .year_list::after {
        width: calc(100% - 50px);
        top: 8px;
    }
    .sec2 .year_list .swiper-slide p {
        font-size: 15px;
        margin: 10px 0 0;
    }
    .sec2 .year_list .swiper-slide .cir {
        width: 16px;
        height: 16px;
    }
    .sec2 .year_list .swiper-slide .cir::after {
        width: 10px;
        height: 10px;
    }
    .sec2 .year_list .swiper-slide {
        width: 50px;
    }
    .sec2 .wrap .year_swiper {
        width: 100%;
    }
    .sec2 .wrap {
        padding: 50px 0 0;
    }
    .sec2 .wrap .year_swiper .swiper-slide {
        display: block;
    }
    .sec2 .wrap .year_swiper .swiper-slide .slide_box .slide_title {
        display: none;
    }
    .sec2 .wrap .year_swiper .swiper-slide .year {
        font-size: 32px;
    }
    .sec2 .wrap .year_swiper .swiper-slide .slide_box .slide_text {
        font-size: 15px;
        line-height: 1.8;
    }
    .sec2 .wrap .year_swiper .swiper-slide .slide_box {
        width: 100%;
    }
    .sec2 .wrap .year_swiper .swiper-slide .slide_box .line::after, .sec2 .wrap .year_swiper .swiper-slide .slide_box .line::before {
        display: none;
    }
    .sec2 .wrap .year_swiper .swiper-slide .slide_box .line {
        margin: 20px 0;
    }
    .sec2 .wrap .swiper_control {
        margin: 20px 0 0;
        display: block;
    }
    .sec2 .wrap .swiper_control .swiper-pagination {
        width: 100%;
        height: 2px;
        margin-bottom: 25px;
    }
    .sec2 .wrap .swiper_control .btns {
        gap: 15px;
    }
    .sec2 .wrap .swiper_control .btns .iconfont {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    .sec2 .wrap .swiper_control .swiper-pagination .swiper-pagination-progressbar-fill {
        height: 2px;
        top: 0;
    }
}