.about-introduction-block {
    padding: 0 0 30px;
}

.about-introduction-title {
    font-size: 32px;
    text-align: center;
}

.about-introduction-info {
    margin-top: 30px;
    overflow: hidden;
}

    .about-introduction-info .txt,
    .about-introduction-info .image {
        float: left;
    }

    .about-introduction-info .txt {
        padding-right: 20px;
        width: 640px;
    }

        .about-introduction-info .txt p {
            line-height: 26px;
            color: #353535;
            text-indent: 28px;
        }

    .about-introduction-info .image {
        width: 800px;
        height: 600px;
        overflow: hidden;
    }

        .about-introduction-info .image i {
            display: block;
            height: 100%;
            background-position: center center;
            background-repeat: no-repeat;
            background-size: cover;
            transition: all .2s linear 0s;
        }

        .about-introduction-info .image:hover i {
            transform: scale(1.1);
        }

.about-introduction-data {
    margin: 50px 0 30px;
}

.about-introduction-item {
    display: flex;
    float: left;
    margin-left: 155px;
    padding-left: 10px;
    width: 242px;
    height: 247px;
    background: url('../images/index-company-icon.png') no-repeat center center;
    align-items: center;
}

    .about-introduction-item:first-child {
        margin-left: 0;
    }

    .about-introduction-item .box {
        width: 100%;
    }

    .about-introduction-item .number,
    .about-introduction-item .name {
        text-align: center;
    }

        .about-introduction-item .number div {
            display: inline-block;
            position: relative;
            color: #1d83c7;
        }

        .about-introduction-item .number span {
            font-size: 32px;
        }

        .about-introduction-item .number i {
            font-size: 22px;
        }

    .about-introduction-item .name {
        margin-top: 10px;
        font-size: 16px;
    }

.about-introduction-image {
    padding: 30px 0;
}

    .about-introduction-image .title {
        padding-bottom: 15px;
        border-bottom: 1px solid #ddd;
    }

        .about-introduction-image .title span {
            display: block;
            padding-left: 10px;
            border-left: 5px solid #167fc5;
            font-size: 22px;
        }

    .about-introduction-image .list {
        overflow: hidden;
    }

        .about-introduction-image .list .item {
            float: left;
            margin: 30px 30px 0 0;
            width: 460px;
            height: 315px;
            cursor: pointer;
            overflow: hidden;
        }

            .about-introduction-image .list .item:nth-child(3n) {
                margin-right: 0;
            }

            .about-introduction-image .list .item i {
                display: block;
                height: 100%;
                background-position: center center;
                background-repeat: no-repeat;
                background-size: cover;
                transition: all .2s linear 0s;
            }

            .about-introduction-image .list .item:hover i {
                transform: scale(1.1);
            }