.about-box {
    padding: 0 40px 50px;
    background-color: #fff;
    margin-top: 30px;
}

.about-box .about-title {
    font-size: 30px;
    line-height: 30px;
    font-weight: bold;
    padding: 40px 0 30px;
    border-bottom: 1px solid #f1f2f3;
}

.about-box .desc-box {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.about-box .desc-box .info-box {
    width: 36%;
    padding-top: 30px;
}

.about-box .desc-box .info-box .info {
    height: 280px;
    overflow-y: auto;
    font-size: 16px;
    line-height: 28px;
    color: #666;
    padding-right: 10px;
}

.about-box .desc-box .info-box .info::-webkit-scrollbar {
    width: 5px;
    height: 10px;
    background-color: #f3f4f5;
}

.about-box .desc-box .info-box .info::-webkit-scrollbar-track {
    background-color: #f3f4f5;
}

.about-box .desc-box .info-box .info::-webkit-scrollbar-thumb {
    background-color: #0068b6;
}

.about-box .desc-box .info-box .more {
    width: 140px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border: 1px solid #ddd;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
    transition: all 0.6s;
}

.about-box .desc-box .info-box .more i {
    font-size: 16px;
    color: #bbb;
}

.about-box .desc-box .info-box .more span {
    margin-left: 20px;
}

.about-box .desc-box .info-box .more:hover {
    background-color: #0068b6;
    color: #fff;
}

.about-box .desc-box .info-box .more:hover i {
    color: #fff;
}

.about-box .desc-box .video-box {
    width: 55.5%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url("../img/33.png");
    position: relative;
}

.about-box .desc-box .video-box img {
    width: 100%;
    opacity: 0;
}

.about-box .desc-box .video-box .play-box {
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.about-box .desc-box .video-box .play-box i {
    font-size: 60px;
}

.about-box .desc-box .video-box .play-box .text {
    margin-top: 20px;
    font-size: 18px;
}

.about-box .culture-box {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.about-box .culture-box .items {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    transition: all 0.6s;
}

.about-box .culture-box .items img {
    width: 100%;
    opacity: 0;
}

.about-box .culture-box .items .text-box {
    position: absolute;
    text-align: center;
    top: 50%;
    left: 50%;
    color: #fff;
    transform: translate(-50%, -50%);
}

.about-box .culture-box .items .text-box i {
    font-size: 50px;
}

.about-box .culture-box .items .text-box .title {
    margin-top: 20px;
}

.about-box .culture-box .items .text-box .title .cn {
    font-size: 24px;
    line-height: 24px;
    color: #fff;
}

.about-box .culture-box .items .text-box .title .en {
    font-size: 14px;
    text-transform: uppercase;
    margin-top: 5px;
    color: #fff;
}

.about-box .culture-box .items .text-box .txt {
    margin-top: 20px;
    font-size: 24px;
}

.about-box .culture-box .items.left {
    width: 32.5%;
}

.about-box .culture-box .items.item01 {
    background-image: url("../img/34.png");
}

.about-box .culture-box .items.item02 {
    background-image: url("../img/35.png");
}

.about-box .culture-box .items.item03 {
    background-image: url("../img/36.png");
}

.about-box .culture-box .items.item04 {
    background-image: url("../img/37.png");
}

.about-box .culture-box .items.item05 {
    background-image: url("../img/38.png");
}

.about-box .culture-box .items:hover {
    box-shadow: 0px 15px 20px 0px rgba(0, 89, 156, 0.2);
}

.about-box .culture-box .right {
    width: 66%;
    display: flex;
    flex-wrap: wrap;
}

.about-box .culture-box .right .items {
    width: 48.8%;
    margin-right: 2.4%;
    margin-bottom: 2.4%;
}

.about-box .culture-box .right .items:nth-of-type(2n) {
    margin-right: 0;
}

.about-box .culture-box .right .items:nth-of-type(3) {
    margin-bottom: 0;
}

.about-box .culture-box .right .items:nth-of-type(4) {
    margin-bottom: 0;
}

.about-box .develop-banner {
    width: 100%;
    position: relative;
    margin-top: 30px;
}

.about-box .develop-banner .swiper-develop {
    height: 100%;
}

.about-box .develop-banner .swiper-wrapper {
    height: 100%;
}

.about-box .develop-banner .swiper-slide {
    width: 30% !important;
    padding-right: 3%;
    border-right: 1px solid #f1f2f3;
}

.about-box .develop-banner .swiper-slide .year {
    font-size: 14px;
    font-weight: bold;
}

.about-box .develop-banner .swiper-slide .year span {
    font-size: 30px;
    line-height: 30px;
    margin-right: 10px;
}

.about-box .develop-banner .swiper-slide .desc {
    font-size: 16px;
    line-height: 28px;
    color: #666;
    margin-top: 20px;
    margin-bottom: 20px;
}

.about-box .develop-banner .swiper-slide img {
    max-width: 100%;
}

.develop-box {
    position: relative;
    margin-bottom: 60px;
}

.develop-box .prevNext-box {
    width: 87.5%;
    max-width: 1680px;
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
}

.develop-box .prevNext-box .prev,
.develop-box .prevNext-box .next {
    position: absolute;
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background-color: rgba(0, 104, 182, 0.8);
}

.develop-box .prevNext-box .prev i,
.develop-box .prevNext-box .next i {
    font-size: 16px;
    color: #fff;
}

.develop-box .prevNext-box .prev.swiper-button-disabled,
.develop-box .prevNext-box .next.swiper-button-disabled {
    background-color: rgba(0, 0, 0, 0.2);
}

.develop-box .prevNext-box .prev {
    left: 0;
}

.develop-box .prevNext-box .next {
    right: 0;
}

@media screen and (max-width: 1900px) {
    .about-box .culture-box .items .text-box .txt {
        font-size: 20px;
    }
}

@media screen and (max-width: 1600px) {

    .develop-box .prevNext-box .prev,
    .develop-box .prevNext-box .next {
        width: 50px;
        height: 50px;
        line-height: 50px;
    }

    .develop-box .prevNext-box {
        width: 92.5%;
    }
}

@media screen and (max-width: 1386px) {
    .about-box .about-title {
        font-size: 24px;
        line-height: 24px;
        padding: 30px 0;
    }
}

@media screen and (max-width: 1300px) {
    .about-box .desc-box .video-box {
        width: 46.5%;
    }

    .about-box .desc-box .info-box {
        width: 50%;
    }

    .about-box {
        padding: 0 30px 30px;
    }

    .about-box .desc-box .info-box .info {
        font-size: 14px;
    }

    .about-box .desc-box .info-box .more {
        margin-top: 20px;
    }

    .about-box .culture-box .items .text-box .title .cn {
        font-size: 19px;
        line-height: 20px;
    }

    .about-box .culture-box .items .text-box i {
        font-size: 40px;
    }

    .about-box .culture-box .items .text-box .title {
        margin-top: 10px;
    }

    .about-box .culture-box .items .text-box .txt {
        font-size: 16px;
        margin-top: 10px;
    }

    .about-box .develop-banner .swiper-slide .year span {
        font-size: 24px;
        line-height: 24px;
    }

    .about-box .develop-banner .swiper-slide .desc {
        margin: 10px 0;
    }
}
@media screen and (max-width: 767px) {
    .about-box {
        padding: 1.1rem;
    }

.about-box .about-title {
    padding: 0.3rem 0;
    font-size: 18px;
}

.about-box .desc-box {
    flex-wrap: wrap;
}

.about-box .desc-box .info-box {
    width: 100%;
    padding-top: 0;
}

.about-box .desc-box .video-box {
    width: 100%;
    margin-top: 0.4rem;
}

.about-box .culture-box {
    margin-top: 0.4rem;
}

.about-box .culture-box {
    flex-wrap: wrap;
}

.about-box .culture-box .items.left {
    width: 100%;
    margin-bottom: 0.2rem;
}

.about-box .culture-box .right {
    width: 100%;
}

.about-box .culture-box .right .items {
    width: 100%;
    margin-right: 0;
    margin-bottom: 0.2rem !important;
}

.develop-box {
    margin-bottom: 0.6rem;
}

.develop-box .prevNext-box .prev,
.develop-box .prevNext-box .next {
    width: 0.6rem;
    height: 0.6rem;
    line-height: 0.6rem;
}

.about-box .develop-banner .swiper-slide {
    width: 48% !important;
}

.about-box .develop-banner .swiper-slide .year span {
    font-size: 18px;
    line-height: 20px;
}

.about-box .develop-banner .swiper-slide .desc {
    font-size: 12px;
    line-height: 20px;
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
}

.about-box .desc-box .video-box .play-box {
    text-align: center;
}

.about-box .desc-box .video-box .play-box i {
    font-size: 32px;
}

.about-box .desc-box .video-box .play-box .text {
    margin-top: 0.2rem;
    font-size: 14px;
}

}