/* 机器人感知与控制 */


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.robot_perception {
    width: 100%;

}

/* 功能介绍 */
.robot_perception .wrapper {
    width: 1400px;
    margin: 60px auto 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;

}

.robot_perception .wrapper .list {
    width: 452px;
    height: auto;
    border-radius: 6px;
    overflow: hidden;
    margin-right: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.robot_perception .wrapper .list:nth-child(3n),
.robot_perception .wrapper .list:nth-last-child(1) {
    margin-right: 0;
}

.robot_perception .wrapper .list .content {
    width: 100%;
    height: auto;
    padding: 20px 20px;
    background-color: #f3f8fe;
    margin: 0;
}

.robot_perception .content .title {
    font-size: 18px;
    color: #333;
    margin-bottom: 16px;
}

.robot_perception .content .text {
    font-size: 16px;
    color: #666;
}

.robot_perception.robot_two {
    width: 100%;
    background-color: #f3f8fe;
    overflow: hidden;

}

/* 应用场景 */
.robot_perception .scene {
    width: 1400px;
    margin: 60px auto 20px;
    display: flex;
    flex-wrap: wrap;
}

.robot_perception .scene .list {
    width: 440px;
    height: 350px;
    border: 1px solid #4c7fc1;
    position: relative;
    margin-right: 40px;
    margin-bottom: 20px;
}

.robot_perception .scene .list:nth-child(3n),
.robot_perception .scene .list:nth-last-child(1) {
    margin-right: 0;
}

.robot_perception .scene .list img {
    height: 291px;
    object-fit: cover;
}


.robot_perception .scene .list .box_bottom {
    width: 100%;
    height: 90px;
    position: absolute;
    bottom: 0;
    left: 0;
    text-align: center;
}

.robot_perception .scene .box_bottom img {
    position: absolute;
    width: 100%;
    height: 90px;
    left: 0;
    top: 0;
}

.robot_perception .box_bottom .text {
    font-size: 22px;
    color: #fff;
    position: relative;
    z-index: 2;
    line-height: 100px;
}

.robot_perception .product .list .content {
    background-color: transparent;
    border: 1px solid #f1f1f1;
}
.robot_perception .scene .list>img:first-of-type {
    height: 290px;
    object-fit: cover;
  }
  
  .robot_perception .product .list>img:first-of-type {
    height: 280px;
    object-fit: cover;
  }


@media screen and (max-width: 1400px) {
    .robot_perception {
        padding: 0 20px;
    }

    .robot_perception .wrapper {
        width: 100%;
        height: auto;
        justify-content: flex-start;
    }

    .robot_perception .wrapper .list {
        width: calc((100% - 40px)/3);
        margin-right: 20px;
    }

    .robot_perception .wrapper .list:nth-child(3n),
    .robot_perception .wrapper .list:nth-last-child(1) {
        margin-right: 0;
    }

    .robot_perception .list img {
        width: 100%;
        object-fit: cover;
    }

    .robot_perception .scene .list {
        margin-right: 20px;
    }

}



@media screen and (max-width: 767px) {
    .robot_perception .wrapper {
        margin: 30px auto 20px;
    }

    .robot_perception .wrapper {
        justify-content: center;
    }

    .robot_perception .wrapper .list:nth-child(2n),
    .robot_perception .wrapper .list:nth-last-child(1) {
        margin-right: 0;
    }

    .robot_perception .wrapper .list img {
        width: 100%;
        height: 240px;
        object-fit: cover;
    }

    .robot_perception .wrapper .list .content {
        padding: 20px;
        height: auto;
    }

    .robot_perception .content .title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .robot_perception .content .text {
        font-size: 14px;
    }

    .scene_two .wrapper {
        display: flex;
        flex-direction: row;
    }

    .robot_perception .scene .list:nth-child(2n) {
        margin-right: 20px;
    }

    .scene_two .wrapper .list {
        flex: 1;
        height: 290px;
        height: auto;
        overflow: hidden;
        margin-right: 20px;
    }

    .robot_perception .scene .list .box_bottom {
        width: 100%;
        height: 60px;
    }

    .robot_perception .scene .box_bottom img {
        height: 60px;
    }

    .robot_perception .box_bottom .text {
        font-size: 16px;
        line-height: 70px;
    }

    .robot_perception .scene .list {
        flex: none;
        width: 47%;
        height: auto;
        margin-right: 20px;
    }

    .robot_perception .scene .list:nth-child(2n),
    .robot_perception .scene .list:nth-last-child(1) {
        margin-right: 0;
    }

    .robot_perception .wrapper {
        width: 70%;
        flex-direction: column;
        align-items: center;
    }

    .robot_perception .wrapper .list {
        width: 100% !important;
        margin-right: 0;
        display: flex;
        flex-direction: column;
    }


}

@media screen and (max-width: 500px) {
    .robot_perception .scene .list {
        flex: none;
        width: 47%;
        margin-right: 20px;
    }

    .robot_perception .scene .list:nth-child(2n),
    .robot_perception .scene .list:nth-last-child(1) {
        margin-right: 0;
    }

    .robot_perception .wrapper {
        width: 100%;
        flex-direction: column;
        align-items: center;
    }

    .robot_perception .wrapper .list {
        width: 100% !important;
        margin-right: 0;
        display: flex;
        flex-direction: column;
    }

}