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

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

.bannerSlide {
    overflow: hidden;
}

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

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

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

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

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

@media (max-width: 640px) {}