* {
    padding: 0;
    margin: 0;
}


html {
    font-size: 10px;
}


.centerpage {
    width: 100%;
    font-size: 1rem;
}

/* top swiper */
.centerpage .swiper-container {
    width: 100%;

}
.index.centerpage .swiper-container {
    padding-top: 0px;

}

.centerpage .swiper-container .swiper-wrapper {
    width: 100%;
}

.swiper-slide {
    position: relative;
    line-height: 0;
}

.swiper-slide .img {
    width: 100%;
    height: 100%;
}

.swiper-slide .item {
    position: absolute;
    z-index: 11;
    left: 30%;
    top: 55%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-weight: 600;
}

.swiper-slide .item .title {
    font-size: 4.8rem;
    line-height: 4.8rem;
}

.swiper-slide .item .text {
    font-size: 4.8rem;
    margin-left: 6rem;
    margin-top: 2rem;
    line-height: 6rem;
}

.swiper-slide .item .sub_text {
    font-size: 2rem;
    line-height: 2rem;
    margin-left: 1.5rem;
    font-weight: 400;
    margin-top: 3rem;
}

.swiper-pagination {
    bottom: 20px;
}

.swiper-pagination .swiper-pagination-bullet {
    width: 2rem;
    height: 4px;
    background-color: #595755;
    border-radius: 0;
    transition: all .4s;
}

.swiper-pagination .swiper-pagination-bullet-active {
    background-color: #df1c28;
    width: 4rem !important;
    transition: all .4s;
}

@media screen and (max-width:1200px) {
    .centerpage .swiper-container {
        height: 40rem;
    }
}

@media screen and (max-width:750px) {
    .centerpage .swiper-container {
        padding-top: 80px;
        height: auto;
    }

    .swiper-pagination {
        bottom: 1rem;
    }

    .swiper-pagination .swiper-pagination-bullet {
        width: 1rem;
    }

    .swiper-pagination .swiper-pagination-bullet-active {
        width: 2rem !important;
    }
}

@media screen and (max-width:1200px) {
    .centerpage .swiper-container {
        height: 40rem;
    }

    .product,
    .solution,
    .ServiceCase,
    .latestNews {
        padding: 4rem 5rem;
    }
}

@media screen and (max-width:750px) {

    .centerpage .swiper-container {
        padding-top: 70px;
        height: auto;
    }

    .swiper-slide .item .title {
        font-size: 1.5rem;
        line-height: normal;
    }

    .swiper-slide .item .text {
        font-size: 1.5rem;
        line-height: normal;
        margin-top: 0;
        margin-left: 1.5em;
    }

    .swiper-slide .item .sub_text {
        font-size: 1.5rem;
        line-height: normal;
        margin-top: 0;
        margin-left: 2rem;
    }

    .swiper-pagination {
        bottom: 1rem;
    }

    .swiper-pagination .swiper-pagination-bullet {
        width: 1rem;
    }

    .swiper-pagination .swiper-pagination-bullet-active {
        width: 2rem !important;
    }
}