#slider {
    width: 100%;
    margin: 0 auto 50px;
    margin-bottom: 0;
    min-width: 1200px;
    margin-top: 80px;
    position: relative;
}

.swiper-container {
    width: 100%;
    height: 450px;
    --swiper-pagination-color: #FFFFFF;/* 两种都可以 */
    --swiper-navigation-color: #FFFFFF;/* 单独设置按钮颜色 */
    --swiper-navigation-size: 30px;/* 设置按钮巨细 */
}
.swiper-button-prev,.swiper-button-next {
    width: 50px;
    height: 80px;
    background: rgba(0,0,0,0.6);
}
.swiper-slide img {
    width: 100%;
    height: 100%;
}
.divBanner {
    margin-top: 80px;
    width: 100%;
    height: 160px;
}
.divBanner img {width: 100%;height: 100%}
<!--耗时1774120881.0346秒-->