/* 通用 */
.AboutText_1 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.AboutText_1 h1.h1 {
    width: 300px;
    font-size: 48px;
    line-height: 1.2;
    color: #000;
}

.AboutText_1 .desc {
    width: calc(100% - 300px);
    max-width: 945px;
    margin-top: 30px;
}

.AboutText_1 .desc>h2 {
    margin-top: 5px;
    margin-bottom: 10px;
    font-size: 24px;
    line-height: 1;
    font-weight: bold;
    color: var(--color);
}

.AboutText_1 .desc p {
    margin-top: 5px;
    margin-bottom: 15px;
    text-indent: 2em;
    font-size: 15px;
    line-height: 2em;
    color: #333;
    text-align: justify;
}

@media (max-width: 1600px) {
    .AboutText_1 .desc p {
        font-size: 14px;
        line-height: 30px;
    }

    .AboutText_1 h1.h1 {
        width: 240px;
        font-size: 40px;
    }

    .AboutText_1 .desc {
        width: calc(100% - 240px);
    }
}

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

@media (max-width: 1200px) {}

@media (max-width: 992px) {
    .AboutText_1 h1.h1 {
        width: 100%;
        margin-bottom: 30px;
    }

    .AboutText_1 .desc {
        width: 100%;
    }

}

@media (max-width: 750px) {
    .AboutText_1 h1.h1 {
        margin-bottom: 0.4rem;
        font-size: .45rem;
        font-weight: bold;
    }

    .AboutText_1 .desc {
        width: 100%;
    }

    .AboutText_1 .desc p {
        font-size: .24rem;
        line-height: .45rem;
        margin-top: 0.3rem;
    }
}

/* 主体 */
/* box1 */
.box1 {
    padding-top: 100px;
    padding-bottom: 75px;
}

@media (max-width: 992px) {
    .box1 {
        padding-top: 60px;
        padding-bottom: 100px;
    }
}

@media (max-width: 750px) {
    .box1 {
        padding: 1rem 0;
        padding-bottom: 0.5rem;
    }
}

/* box2 */
.box2 {
    position: relative;
}

.box2::after {
    content: "";
    display: block;
    position: absolute;
    left: -50%;
    bottom: 0;
    z-index: -1;
    width: 200%;
    height: 50%;
    background: #f2f2f2;
}

.About1_2Swiper {
    overflow: hidden;
    position: relative;
    z-index: 2;
    width: 100%;
}

.About1_2Img {
    overflow: hidden;
}

.About1_2Img img {
    width: 100%;
}

.About1_2Swiper .swiper-button-next,
.About1_2Swiper .swiper-button-prev {
    color: #fff;
}

/* box3 */
.box3 {
    position: relative;
    padding-top: 130px;
    padding-bottom: 130px;
}

.box3::after {
    content: "";
    display: block;
    position: absolute;
    left: -50%;
    bottom: 0;
    z-index: -1;
    width: 200%;
    height: 100%;
    background: #f2f2f2;
}

.box3 .number {
    margin-top: 65px;
}

.box3 .number .item {
    display: inline-block;
    vertical-align: top;
    margin-right: 75px;
}

.box3 .number .item h1 {
    font-family: "DIN";
    font-size: 48px;
    color: var(--color);
    line-height: 1.1;
}

.box3 .number .item h2 {
    font-size: 14px;
    color: #333;
    line-height: 20px;
}

@media (max-width: 750px) {
    .box3 {
        padding-top: 60px;
        padding-bottom: 60px;
    }
}

@media (max-width: 750px) {
    .box3 {
        padding-top: 0.6rem;
        padding-bottom: 0.6rem;
    }

    .box3 .number {
        margin-top: 0.6rem;
    }

    .box3 .number .item {
        width: 45%;
        margin-right: 0%;
        margin-bottom: 0.4rem;
    }

    .box3 .number .item h1 {
        font-size: .6rem;
        font-weight: bold;
    }

    .box3 .number .item h2 {
        font-size: .24rem;
        line-height: .4rem;
        margin-top: 0.05rem;
    }
}

/* box4 */
.box4 {
    position: relative;
    padding-top: 165px;
    padding-bottom: 215px;
}

.About1_4Swiper {
    margin-top: 160px;
    width: calc(100% + 200px);
    padding-right: 200px;
}

.box4Slide .bj {
    position: relative;
    width: 100%;
    height: 100%;
}

.box4Slide .text {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 45px 35px 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #f9f9f9;
    transition: all .3s;
}

.box4Slide.cur .text {
    background: #f9f9f900;
}

.box4Slide .text img {
    width: 36px;
    transition: all .3s;
}

.box4Slide .desc h1 {
    font-size: 24px;
    line-height: 1.3;
    color: #000;
    transition: all .3s;

}

.box4Slide .desc h2 {
    font-size: 15px;
    line-height: 25px;
    height: 75px;
    color: #333;
    margin-top: 10px;
    transition: all .3s;
}


.box4Slide.cur .text img {
    filter: brightness(10);
}

.box4Slide.cur .desc h1 {
    color: #fff;
}

.box4Slide.cur .desc h2 {
    color: #fff;
}

@media (max-width: 1600px) {
    .About1_4Swiper {
        width: calc(100% + 100px);
        padding-right: 130px;
    }
}

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

@media (max-width: 1200px) {}

@media (max-width: 992px) {
    .box4 {
        padding-top: 100px;
        padding-bottom: 100px;
    }

    .About1_4Swiper {
        margin-top: 60px;
    }

    .box4Slide .text {
        padding: 0 20px;
        transition: all .3s;
    }

    .box4Slide .desc h1 {
        font-size: 20px;
    }

    .box4Slide .desc h2 {
        font-size: 14px;
        line-height: 20px;
    }
}

@media (max-width: 750px) {
    .box4 {
        padding: 0.8rem 0;
    }

    .box4Slide .text {
        background: #f9f9f900;
    }

    .box4Slide .text img {
        filter: brightness(10);
    }

    .box4Slide .desc h1 {
        color: #fff;
    }

    .box4Slide .desc h2 {
        color: #fff;
    }
}