.robust {
    padding-top: 60px;
    padding-bottom: 60px;
    text-align: center;
}

.robust h2 {
    margin-bottom: 30px;
}

.robust p {
    color: #8695B1;
    max-width: 820px;
    line-height: 1.7;
    margin: 0px auto;
}

.robust img {
    display: block;
    width: 100%;
    height: auto;
    margin-top: 50px;
}

/* 轮播 */
.robustSwiper {
    padding: 20px 0px;
    width: 100%;
    height: 440px;
    text-align: center;
    position: relative;
}

.robustSwiper .swiper-slide {
    padding: 0px 130px;
}

.swiper-slide>div {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.robustSwiperL {
    display: block;
    width: 600px;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0px 0px 20px rgba(189, 206, 240, 0.33);
    z-index: 1;
}

.robustSwiperR {
    width: 466px;
    height: 260px;
    background: #F7FAFE;
    margin-left: -20px;
    padding: 20px 40px 20px 60px;
    display: flex;
    align-items: center;
    position: relative;
}

.robustSwiperR p {
    color: #8695B1;
    text-align: left;
    line-height: 1.7;
}

.robustSwiperR .number {
    position: absolute;
    right: 16px;
    bottom: 12px;
}

.robustSwiperR .number span {
    color: #8695B1;
    opacity: 0.5;
}

.robustSwiperR .number span.on {
    opacity: 1;
}

/* 左右箭头 */
.robustSwiper .swiper-button-next,
.robustSwiper .swiper-button-prev {
    width: 42px;
    height: 42px;
    opacity: 1;
}

.robustSwiper .swiper-button-next::after,
.robustSwiper .swiper-button-prev::after {
    display: none;
}

.robustSwiper .swiper-button-prev {
    background: url(../images/left.png)no-repeat center center;
    background-size: 100% 100%
}

.robustSwiper .swiper-button-next {
    background: url(../images/right.png)no-repeat center center;
    background-size: 100% 100%
}

/* 计算机视觉领域算法技术 */
.technology {
    margin-top: 130px;
    text-align: center;
    padding-bottom: 95px;
}

.technology h2 {
    color: #333;
    margin-bottom: 42px;
}

.technologyTab {
    display: inline-block;
    padding: 6px;
    background: #E9F1FA;
    border-radius: 29px;
    overflow: hidden;
    margin: 0px auto;
}

.technologyTab ul {
    display: flex;
    justify-content: center;
}

.technologyTab li {
    line-height: 46px;
    padding: 0px 24px;
    border-radius: 23px;
    overflow: hidden;
    cursor: pointer;
}

.technologyTab li.active {
    background: #fff;
    box-shadow: 2px 2px 8px rgba(189, 206, 240, 0.5);
    color: #1E95E8;
}

.technologyItem {
    padding-top: 70px;
}

.technologyItem .item {
    display: none;
}

.item ul>li {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item ul>li:nth-child(even) {
    flex-direction: row-reverse;
}

.item img {
    display: block;
    width: 650px;
    /* height: 390px; */
    height: auto;
}

.technologyItem .txtBox {
    width: 45%;
    text-align: left;
}

.technologyItem .txtBox h3 {
    margin-bottom: 14px;
    color: #1E95E8;
}

.technologyItem .txtBox>p {
    text-align: justify;
    color: #8695B1;
    line-height: 1.7;
}

.technologyItem .txtBoxList {
    margin-top: 30px;
    margin-left: 11px;
}

.txtBoxList li {
    padding-bottom: 26px;
    padding-left: 24px;
    border-left: 1px solid #1E95E8;
    position: relative;
    line-height: 1.7;
}

.txtBoxList li:last-child {
    padding-bottom: 0px;
    border-left: 0px;
}

.txtBoxList li::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    background: url(../images/yuan2.png)no-repeat center center;
    background-size: 16px 16px;
    position: absolute;
    left: -11px;
    top: 0px;
}

.txtBoxList li:first-child::before {
    background: url(../images/yuan1.png)no-repeat center center;
    background-size: 20px 20px;
}



/* 移动端 */
@media (max-width: 767px) {
    .robust {
        padding-top: 30px;
        padding-bottom: 40px;
    }

    .robust img {
        margin-top: 22px;
    }

    .swiperBox {
        padding: 0px;
    }

    .robustSwiper .swiper-slide {
        padding: 0px;
    }

    .swiper-slide>div {
        flex-direction: column;
    }

    .robustSwiperL {
        width: 100%;
        height: auto;
        border-radius: 0px;
    }

    .robustSwiperR {
        width: 90%;
        height: 190px;
        margin-left: 0px;
        z-index: 2;
        margin-top: -50px;
        padding: 50px 20px 20px 20px;
        align-items: unset;
        line-height: 1.7;
    }

    .robustSwiperR .number {
        right: unset;
        bottom: unset;
        top: 14px;
        left: 20px;
    }

    .robustSwiper .swiper-button-next,
    .robustSwiper .swiper-button-prev {
        display: none;
    }

    .technology {
        margin-top: 50px;
        padding-bottom: 50px;
    }

    .technologyTab {
        width: 100%;
    }

    .technologyTab ul {
        width: 100%;
        overflow-x: auto;
        flex: 0 0 auto;
        border-radius: 29px;
        justify-content: unset;
    }

    .technologyTab li {
        flex: 0 0 auto;
        border-radius: 29px;
    }

    .technologyItem {
        padding-top: 40px;
    }

    .item ul>li {
        flex-direction: column;
        margin-bottom: 30px;
    }

    .item ul>li:last-child {
        margin-bottom: 0px;
    }

    .item img {
        width: 100%;
        height: auto;
        margin-bottom: 18px;
    }

    .item ul>li:nth-child(even) {
        flex-direction: column;
    }

    .technologyItem .txtBox {
        width: 100%;
    }

    .technologyItem .txtBoxList {
        margin-top: 24px;
    }
}