section {
    position: relative;
    overflow: hidden;
    padding: 120px 0 90px;
}

section .title {
    display: flex;
    flex-direction: column;
    align-items: center;
}

section .title h1 {
    color: #000;
    font-size: 48px;
    line-height: 1;
}

section .title h2 {
    color: #5C5C5C;
    font-size: 18px;
    line-height: 1;
    margin-top: 30px;
    text-align: center;
}

@media (max-width: 1440px) {
    section .title h1 {
        font-size: 40px !important;
    }
}

@media (max-width: 992px) {
    section {
        padding: 90px 0;
    }
}

@media (max-width: 640px) {
    section {
        position: relative;
        overflow: hidden;
        padding: 60px 0;
    }

    section .title h1 {
        font-size: 32px !important;
    }

    section .title h2 {
        font-size: 16px;
        margin-top: 15px;
        line-height: 1.5;
    }
}

/* banner */
.bannerbigbox {
    margin-top: 100px;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.bannerSwiper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.bannerSlide {
    overflow: hidden;
}

.bannerSlide img,
.bannerSlide video {
    position: relative;
    z-index: 1;
    width: 100%;
    object-fit: cover;
    min-height: 550px;
    max-height: 800px;
    display: block;
}

.bannerSlide .text {
    width: 900px;
    background: rgb(0, 0, 0, 0.4);
    position: absolute;
    z-index: 2;
    left: calc(50% - 450px);
    bottom: 60px;
    padding: 50px 120px 80px;
}

.bannerSlide .text h1 {
    font-family: 'douyuFont';
    color: #fff;
    text-align: center;
    font-size: 40px;
    line-height: 1;
    margin-bottom: 20px;
}

.bannerSlide .text h2 {
    color: #E3E3E3;
    text-align: center;
    font-size: 20px;
    line-height: 1.5;
}

.bannerbigbox .swiper-pagination {
    width: 600px;
    bottom: 110px;
    left: calc(50% - 300px);
    display: flex;
    justify-content: center;
}

.bannerbigbox .swiper-pagination span {
    width: 100%;
    height: 2px;
    margin: 0 10px !important;
    border-radius: 0;
    background: #ffffffcc;
    opacity: 1;
}

.bannerbigbox .swiper-pagination span.swiper-pagination-bullet-active {
    background: #163175;
}

.bannerbigbox .swiper-button-prev {
    width: 100px;
    height: 100px;
    background: url(/assets/images/Group616.png);
    transform: rotateY(180deg);
    color: #0000;
    opacity: 1;
    left: 90px;
    right: auto;
}

.bannerbigbox .swiper-button-next {
    width: 100px;
    height: 100px;
    background: url(/assets/images/Group616.png);
    color: #0000;
    opacity: 1;
    right: 90px;
}

/* end-banner */
@media (max-width: 1600px) {}

@media (max-width: 1440px) {
    .bannerbigbox .swiper-button-next {
        width: 75px;
        height: 75px;
        background-size: 100%;
        top: calc(50% - 50px);
        margin: 0;
        right: 45px;
    }

    .bannerbigbox .swiper-button-prev {
        width: 75px;
        height: 75px;
        background-size: 100%;
        top: calc(50% - 50px);
        margin: 0;
        left: 45px;
    }
}

@media (max-width: 1200px) {
    .bannerbigbox .swiper-button-prev {
        display: none;
    }

    .bannerbigbox .swiper-button-next {
        display: none;
    }
}

@media (max-width: 992px) {
    .bannerbigbox {
        margin-top: 60px;
    }

    .bannerSlide .text {
        left: calc(50% - 300px);
        width: 600px;
        padding: 45px 15px 60px;
    }

    .bannerSlide .text h1 {
        font-size: 34px;
    }

    .bannerSlide .text h2 {
        font-size: 18px;
    }

    .bannerbigbox .swiper-pagination {
        width: 500px;
        bottom: 90px;
        left: calc(50% - 250px);
    }
}

@media (max-width: 640px) {
    .bannerSlide .text {
        display: flex;
        width: 100%;
        left: 0%;
        flex-direction: column;
        align-items: center;
        bottom: 0;
    }

    .bannerSlide .text h1 {
        max-width: 100%;
        font-size: 20px;
        line-height: 1.5;
        margin-bottom: 0px;
    }

    .bannerSlide .text h2 {

        font-size: 16px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
    }

    .bannerbigbox .swiper-pagination {
        width: 80%;
        left: 10%;
        bottom: 30px;
    }
}