.main_i {
    position: relative;
    margin: 0 auto;
    width: 1400px;
    height: 950px;
    overflow: hidden;
   background: #FFFFFF;
   margin-bottom: 100px;
}

.swiper-container {
    width: 1200px;
    height: 698px;
    margin: 50px 0 0 100px;
    overflow: visible;
}


.swiper-container-fade .swiper-slide {
    width: 1200px;
    height: 698px;
}

.swiper-container-fade .swiper-slide img {
    width: 1200px;
    height: 698px;
}
.swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{
    
    width: 20px;
height: 20px;
}
.swiper-container-horizontal>.swiper-pagination-bullets,
.swiper-pagination-custom,
.swiper-pagination-fraction {
    left: 0px;
    bottom: -30px;

}