/* 首页banner start*/
.banner {
    max-width: 1920px;
    margin: 0 auto 0;
    width: 100%;
    background: #ffffff;
}
.banner .swiper-slide {
    position: relative;
    overflow: hidden;
    height: 100%;
}
.banner .swiper-slide .video-box {
    width: 100%;
    padding-bottom: 40%;
    position: relative;
    overflow: hidden;
}
.banner .swiper-slide .video-box video {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
}
.banner .bg-box {
    position: relative;
    z-index: 1;
}
.banner .bg-box .img-box {
    padding-bottom: 39%;
    position: relative;
}
.banner .bg-box .img-box picture img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    object-fit: cover;
}
.banner .banner-content {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9;
    flex-direction: column;
}

.swiper-slide .banner-content {
    transform: translateY(200px);
    opacity: 0;
    transition: all 0.6s;
}

.swiper-slide-active .banner-content {
    transform: translateY(0);
    opacity: 1;
}
.banner .swiper-pagination-bullet {
    width: 80px;
    height: 3px;
    background: #fff;
    border-radius: 0px;
    opacity: 1;
}
.banner .swiper-pagination-bullet-active {
    background: #1d4d88;
}
/* 首页banner end*/

@media screen and (max-width: 1023px) {
    .banner .swiper-slide .video-box {
        padding-bottom: 60%;
    }
    .banner .bg-box .img-box {
        padding-bottom: 60%;
    }
    .swiper-slide .banner-content {
        display: none;
    }
    .banner .swiper-pagination-bullet {
        width: 40px;
    }
}