.dedata-flex {
    display: flex;
}

.dedata-flex-align-bottom {
    align-items: flex-end;
}

.dedata-flex-align-center {
    align-items: center;
}

.defata-flex-wrap {
    flex-wrap: wrap;
}

.dedata-flex-item {
    order: 0;
}

.dedata-flex-item-blank {
    padding: 10px 15px;
}

.dedata-flex-2 {
    width: 16.6666%
}

.dedata-flex-6 {
    width: 50%
}

@media (min-width: 768px) {
    .dedata-flex-item-left {
        padding: 0 50px;
    }

    .dedata-flex-item-right {
        padding: 0 50px;
    }
}

@media (max-width: 768px) {
    .dedata-flex-mb-6 {
        width: 50%;
    }

    .dedata-flex-mb-12 {
        width: 100%;
    }

    .dedata-flex-order-mb-1 {
        order: 1;
    }

    .defata-flex-wrap+.defata-flex-wrap {
        margin-top: 30px;
    }
}


.video-bg {
    position: relative;
    width: 100%;
    height: 500px;
    /* 全屏背景 */
    overflow: hidden;
}

.video-bg video {
    position: absolute;
    min-width: 100%;
    min-height: 50%;
    object-fit: cover;
    /* 保持比例，填满背景 */
    z-index: -1;
    /* 放到内容后面 */
}

.video-title video {
    position: relative;
    width: 100%;
    min-height: 50%;
    object-fit: cover;
    /* 保持比例，填满背景 */
    z-index: -1;
    /* 放到内容后面 */
}

.swiper {
  width: 100%;
  height: 500px;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}