.NyBigBox {
        padding-top: 0;
        padding-bottom: 0;
    }

    .aboutTitle {
        font-family: 'Microsoft YaHei';
        font-size: 48px;
        line-height: 1.5;
        color: #1F1F1F;
    }

    @media (max-width:1440px) {
        .aboutTitle {
            font-size: 40px;
        }
    }

    @media (max-width:1200px) {
        .aboutTitle {
            font-size: 32px;
        }
    }

    @media (max-width:720px) {
        .aboutTitle {
            font-size: 24px;
        }
    }

    /* box1  */
    .aboutBox1 {
        margin-top: 100px;
        position: relative;
    }

    .aboutBox1 .text1 {
        padding-top: 150px;
        padding-bottom: 75px;
        position: relative;
        z-index: 2;
        padding-left: var(--w1600);
        padding-right: var(--w1600);
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .aboutBox1 .text1 h1 {
        position: relative;
        z-index: 2;
        font-weight: 700;
        font-size: 48px;
        line-height: 1.5;
        color: #000000;
    }

    .aboutBox1 .text1 h2 {
        font-size: 24px;
        line-height: 1.5;
        color: #464646;
    }

    .aboutBox1 .text1 span {
        font-weight: 700;
        font-size: 200px;
        color: var(--color);
        opacity: 0.02;
        position: absolute;
        right: 0;
    }

    .imgBox1 {
        position: relative;
        z-index: 1;
    }

    .imgBox1 .tu1 {
        position: absolute;
        z-index: 2;
        top: 0;
        left: 0;
        width: 100%;
        transform: scale(1.03);
    }

    .imgBox1 .img1 {
        width: 100%;
        position: relative;
        z-index: 1;
    }


    @media (max-width: 1440px) {}

    @media (max-width: 1200px) {
        .aboutBox1 {
            margin-top: 60px;
        }

        .aboutBox1 .text1 {
            padding-top: 90px;
            padding-bottom: 45px;
        }

        .aboutBox1 .text1 h1 {
            font-size: 32px;
        }

        .aboutBox1 .text1 h2 {
            font-size: 18px;
        }

        .aboutBox1 .text1 span {
            font-size: 100px;
        }
    }

    @media (max-width:720px) {
        .aboutBox1 .text1 {
            padding-top: 60px;
            padding-bottom: 30px;
        }

        .aboutBox1 .text1 h1 {
            font-size: 24px;
        }

        .aboutBox1 .text1 h2 {
            font-size: 16px;
        }
    }

    @media (max-width:460px) {}


    /* box2 */
    .aboutBox2 {
        position: relative;
        overflow: hidden;
        background: url(/assets/images/box3.png) no-repeat right top;
    }

    @media (max-width: 720px) {
        .section3 {
            background-size: contain;
        }
    }

    .about2 {
        position: relative;
        padding-top: 90px;
        padding-bottom: 120px;
        width: 100%;
        display: flex;
    }

    .lt2 {
        width: 75%;
        padding-right: 160px;
        display: flex;
        flex-direction: column;
    }

    .lt2>p {
        font-size: 18px;
        line-height: 2;
        color: #000000;
    }

    .lt2 span {
        display: block;
        width: 20px;
        height: 4px;
        background: #000;
        margin-top: 10px;
        margin-bottom: 10px;
    }

    .lt2 .desc2 {
        margin-top: 45px;
        font-size: 16px;
        line-height: 2;
        color: #000;
    }

    .Number2 {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        grid-gap: 60px;
    }

    .item2 {
        height: 100%;
    }

    .item2 p {
        font-size: 16px;
        line-height: 1.5;
        color: #686868;
    }

    .item2 span {
        display: flex;
    }

    .item2 span h1 {
        font-size: 58px;
        line-height: 1.5;
        color: var(--color);
    }

    .img2Box {
        width: 100%;
    }

    .img2Box img {
        width: 100%;
    }

    @media (max-width:1700px) {}

    @media (max-width:1440px) {}

    @media (max-width:1200px) {
        .lt2 {
            width: 75%;
            padding-right: 60px;
        }

        .item2 span h1 {
            font-size: 40px;
        }

        .Number2 {
            grid-gap: 45px;
        }

        .lt2>p {
            font-size: 16px;
        }

        .lt2 .desc2 {
            margin-top: 30px;
            font-size: 14px;
            line-height: 1.5;
        }

        .about2 {
            padding-top: 90px;
            padding-bottom: 90px;
        }
    }

    @media (max-width:720px) {
        .about2 {
            padding-top: 60px;
            padding-bottom: 60px;
            display: flex;
            flex-wrap: wrap;
        }

        .lt2 {
            width: 100%;
            padding-right: 0px;
            padding-bottom: 30px;
        }

        .Number2 {
            width: 100%;
            display: flex;
            flex-direction: row;
            grid-gap: 0;
        }

        .item2 span h1 {
            font-size: 32px;
        }
    }

    @media (max-width:460px) {
        .about2 {
            padding-top: 30px;
            padding-bottom: 30px;
        }

        .item2 p {
            font-size: 14px;
        }

        .item2 span h1 {
            font-size: 24px;
        }
    }



    /* box3 */
    .aboutBox3 {
        padding-top: 120px;
        padding-bottom: 120px;
        padding-left: var(--w1600);
        padding-right: var(--w1600);
        position: relative;
    }

    @media (max-width:1440px) {
        .aboutBox3 {
            padding-top: 90px;
            padding-bottom: 90px;
        }
    }

    @media (max-width:1200px) {
        .aboutBox3 {
            padding-top: 60px;
            padding-bottom: 60px;
        }
    }

    @media (max-width:720px) {
        .aboutBox3 {
            padding-top: 30px;
            padding-bottom: 60px;
        }
    }


    .aboutBox3 .top3 {
        position: relative;
        margin-bottom: 45px;
        display: flex;
        align-items: center;
    }


    .prev3 {
        position: absolute;
        z-index: 3;
        right: 75px;
        width: 55px;
        height: 55px;
        border: 1px solid #3E3E3E;
        display: flex;
        justify-content: center;
        align-items: center;
        transform: rotateY(180deg);
    }

    .next3 {
        position: absolute;
        z-index: 3;
        right: 0;
        width: 55px;
        height: 55px;
        border: 1px solid #3E3E3E;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .Swiper3 {
        height: 42vw;
        width: 100%;
    }

    .Slide3 {
        position: relative;
        height: calc((100% - 25px) / 2) !important;
    }

    .Slide3 .text {
        position: absolute;
        z-index: 2;
        inset: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        font-weight: 700;
        font-size: 16px;
        line-height: 1.5;
        text-align: center;
        color: #FFFFFF;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: 0.5s;
    }

    .Slide3:hover .text {
        opacity: 1;
    }

    .Slide3 .text .icon {
        width: 65px;
        margin-bottom: 20px;
    }

    .Slide3 .imgHover {
        position: relative;
        z-index: 1;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    @media (max-width: 1600px) {}

    @media (max-width: 1440px) {}

    @media (max-width: 1200px) {
        .aboutBox3 .top3 {
            margin-bottom: 30px;
        }

        .aboutBox3 {
            padding-top: 90px;
            padding-bottom: 90px;
        }

        .Slide3 .text .icon {
            width: 45px;
            margin-bottom: 15px;
        }

        .prev3 {
            right: 60px;
            width: 45px;
            height: 45px;
        }

        .next3 {
            right: 0;
            width: 45px;
            height: 45px;
        }

        .prev3 img,
        .next3 img {
            width: 15px;
        }

    }

    @media (max-width: 720px) {
        .aboutBox3 {
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .Swiper3 {
            height: 65vw;
            width: 100%;
        }

        .Slide3 {
            position: relative;
            height: calc((100% - 15px) / 2) !important;
        }

        .Slide3 .text .icon {
            width: 30px;
        }

        .prev3 {
            right: 60px;
            width: 35px;
            height: 35px;
        }

        .next3 {
            right: 0;
            width: 35px;
            height: 35px;
        }

        .prev3 img,
        .next3 img {
            width: 12px;
        }
    }

    @media (max-width: 480px) {}

    /* box4 */
    .aboutBox4 {
        padding-top: 120px;
        padding-bottom: 120px;
        padding-left: var(--w1600);
        padding-right: var(--w1600);
        position: relative;
        background: #F6F8FC;
    }

    @media (max-width:1440px) {
        .aboutBox4 {
            padding-top: 90px;
            padding-bottom: 90px;
        }
    }

    @media (max-width:1200px) {
        .aboutBox4 {
            padding-top: 60px;
            padding-bottom: 60px;
        }
    }

    @media (max-width:720px) {
        .aboutBox4 {
            padding-top: 30px;
            padding-bottom: 30px;
        }
    }

    .aboutBox4 .aboutTitle {
        text-align: center;
    }

    .about4 {
        position: relative;
        margin-top: 90px;
        width: 100%;
        display: flex;
        align-items: center;
    }

    .Swiper4 {
        position: relative;
        width: 100%;
    }

    .Slide4 {
        width: 100%;
    }

    .Slide4 img {
        width: 100%;
    }

    .Slide4 h1 {
        margin-top: 30px;
        width: 100%;
        font-family: 'Microsoft YaHei';
        font-size: 18px;
        text-align: center;
        color: #1F1F1F;
    }

    .prev4 {
        position: absolute;
        z-index: 3;
        left: calc(-1* var(--w1600) + 60px);
        width: 55px;
        height: 55px;
        border: 1px solid #3E3E3E;
        display: flex;
        justify-content: center;
        align-items: center;
        transform: rotateY(180deg);
    }

    .next4 {
        position: absolute;
        z-index: 3;
        right: calc(-1* var(--w1600) + 60px);
        width: 55px;
        height: 55px;
        border: 1px solid #3E3E3E;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    @media (max-width:1600px) {
        .about4 {
            padding: 0 90px;
        }

        .prev4 {
            left: 0;
        }

        .next4 {
            right: 0;
        }
    }

    @media (max-width:1200px) {
        .about4 {
            margin-top: 30px;
        }

        .prev4,
        .next4 {
            width: 45px;
            height: 45px;
        }

        .prev4 img,
        .next4 img {
            width: 15px;
        }
    }

    @media (max-width:720px) {
        .about4 {
            padding: 0 45px;
        }

        .prev4,
        .next4 {
            width: 35px;
            height: 35px;
        }

        .prev4 img,
        .next34 img {
            width: 12px;
        }

        .Slide4 h1 {
            margin-top: 15px;
            font-size: 16px;
        }
    }