.about-box {}

.opacityshw {
    opacity:0;
}

/* 公司介绍区 */
.company-intro {
    text-align: center;
    padding: 100px 0;
    border-bottom: 1px solid #e5e5e5;
}

.company-intro .sub-title {
    font-size: 18px;
    color: #315fba;
}

    .company-intro .main-title {
        font-size: 40px;
        color: #222222;
        font-weight: 600;
        margin-bottom: 15px;
    }

.company-intro .desc {
    font-size: 18px;
    color: #4d4d4d;
    margin-top: 30px;
    line-height: 28px;
}

/* 核心优势区 */
.core-advantages {}

.core-advantages .section-title {
    font-size: 40px;
    font-weight: 600;
    color: #222222;
    text-align: center;
    padding: 50px 0;
}

.about-bxrow {
    /* display: flex;*/
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.advantage-card:hover img {
    transform: scale(1.1);
}
.advantage-card {
    border: 1px solid #dcdcdc;
    border-radius: 4px;
    overflow: hidden;
}

    .advantage-card img {
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: 4px;
        transition: all .5s;
    }

.card-btm {
    padding: 25px;
    background-color: #ffffff;
    position: relative;
    z-index: 2;
}

.advantage-card .card-title {
    font-size: 30px;
    margin-bottom: 20px;
}

.advantage-card .card-desc {
    font-size: 16px;
    color: #666;
    line-height: 26px;
}

/* 使命愿景区 */
.mission-vision {
    display: flex;
    gap: 0;
    padding: 70px 0 100px;
}
    .mission-vision .left-img:hover img {
        transform: scale(1.1);
    }
    .mission-vision .left-img {
        flex: 2;
        overflow: hidden;
    }

        .mission-vision .left-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all .5s;
        }

.mission-vision .right-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.vision-item {
    color: #fff;
    padding: 45px;
    background-color: #315fba;
    flex: 1;
}

.vision-item:nth-child(even) {
    background-color: #3c67be;
}

.mission-vision .block-title {
    font-size: 40px;
    font-weight: 600;
    margin-bottom: 20px;
}

.block-titer {
    font-size: 24px;
    margin-bottom: 10px;
}

.mission-vision .block-desc {
    font-size: 16px;
    margin-bottom: 32px;
}

.mission-vision .block-desc:last-child {
    margin-bottom: 0;
}











@media only screen and (max-width: 1540px) {

    .company-intro {
        padding: 90px 0;
    }

    .company-intro .main-title {
        font-size: 34px;
        margin-bottom: 12px;
    }

    .company-intro .desc {
        font-size: 16px;
        margin-top: 25px;
        line-height: 28px;
    }

    .core-advantages .section-title {
        font-size: 34px;
        padding: 40px 0;
    }

    .about-bxrow {
        gap: 30px;
    }

    .card-btm {
        padding: 20px;
        
    }

    .advantage-card .card-title {
        font-size: 26px;
        margin-bottom: 15px;
    }

    .advantage-card .card-desc {
        font-size: 14px;
        line-height: 26px;
    }

    .mission-vision {
        padding: 60px 0 90px;
    }

    .vision-item {
        padding: 40px;
    }

    .mission-vision .block-title {
        font-size: 34px;
        margin-bottom: 15px;
    }

    .block-titer {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .mission-vision .block-desc {
        font-size: 14px;
    }



}




@media only screen and (max-width: 1340px) {

    .company-intro {
        padding: 80px 0;
    }

    .company-intro .sub-title {
        font-size: 16px;
    }

        .company-intro .main-title {
            font-size: 28px;
            margin-bottom: 10px;
        }

    .company-intro .desc {
        font-size: 14px;
        margin-top: 20px;
        line-height: 26px;
    }

    .core-advantages .section-title {
        font-size: 28px;
        padding: 30px 0;
    }

    .about-bxrow {
        gap: 20px;
    }

    .card-btm {
        padding: 15px;
    }

    .advantage-card .card-title {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .advantage-card .card-desc {
        font-size: 12px;
        line-height: 24px;
    }

    .mission-vision {
        padding: 50px 0 80px;
    }

    .vision-item {
        padding: 30px;
    }

    .mission-vision .block-title {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .block-titer {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .mission-vision .block-desc {
        font-size: 12px;
    }




}


@media only screen and (max-width: 768px) {
    .about-box {
        padding: 0 .1rem;
    }

    .company-intro {
        padding: .8rem 0;
    }

    .company-intro .main-title {
        font-size: 24px;
    }

    .core-advantages .section-title {
        font-size: 24px;
        padding: .3rem 0;
    }

    .about-bxrow {
        gap: 15px;
        grid-template-columns: repeat(1, 1fr);
    }

    .card-btm {
        padding: 10px;
    }

    .advantage-card .card-title {
        font-size: 18px;
    }


    .mission-vision {
        padding: .5rem 0 .8rem;
        flex-direction: column;
    }
    .vision-item {
        padding: .3rem;
    }


    .mission-vision .block-title {
        font-size: 24px;
        margin-bottom: 10px;
    }




}