.sy_jjfa {
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
    width: 94%;
    justify-content: space-between;
    padding: 0 15px;
    max-width: 1400px;
    margin: 0 auto;
}

.jjfa {
    width: 50%;
    margin-top: 8%;
    margin-bottom: 8%;
}

.jjfa_list {
    width: 50%;
    float: left;
    border-top: rgba(255, 255, 255, .2) 1px solid;
    border-left: rgba(255, 255, 255, .2) 1px solid;
    height: 250px;
    cursor: pointer;
}

.jjfa_list02 {
    border-right: rgba(255, 255, 255, .2) 1px solid;
}

.jjfa_list03 {
    border-bottom: rgba(255, 255, 255, .2) 1px solid;
}

.jjfa_list04 {
    border-bottom: rgba(255, 255, 255, .2) 1px solid;
    border-right: rgba(255, 255, 255, .2) 1px solid;
}

.jjfa_nr {
    width: 100%;
    float: left;
}

.jjfa_q01 {
    width: 100%;
    float: left;
}

.jjfa_title {
    width: 100%;
    float: left;
    font-size: 24px;
    color: #fff;
    padding-left: 30px;
    margin-top: 20px;
}

.jjfa_tb {
    width: 100%;
    padding: 50px 0 0 30px;
    float: left;
}

.jjfa_bq {
    position: relative;
    width: 100%;
    float: left;
}

.jjfa_q02 {
    position: absolute;
    width: 100%;
    height: 249px;
    top: 0;
    left: 0;
    background-image: linear-gradient(120deg, #0c579a, #2fa1d7);
    color: #fff;
    opacity: 0;
    transition: all ease .3s;
}

.jjfa_title01 {
    width: 100%;
    padding: 50px 0 0 30px;
    float: left;
    font-size: 24px;
    line-height: 36px;
}

.jjfa_sum {
    width: 100%;
    padding: 0px 30px 0 30px;
    float: left;
    font-size: 14px;
    line-height: 24px;
    height: 48px;
    overflow: hidden;
    margin-top: 10px;
    opacity: .5;
}

.jjfa_more {
    width: 100%;
    padding: 0px 0 0 30px;
    float: left;
    color: #fff;
    margin-top: 15px;
}

.jjfa_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    transition: all ease .5s;
}

.jjfa_y {
    margin-top: 8%;
    margin-bottom: 8%;
    max-width: 500px;
    width: 50%;
    padding-top: 80px;
    padding-left: 20px;
}

.jjfa_y_title {
    width: 100%;
    font-size: 36px;
    color: #fff;
    line-height: 50px;
}

.jjfa_y_sum {
    width: 100%;
    font-size: 16px;
    color: rgba(255, 255, 255, .6);
    line-height: 28px;
    margin: 10px 0 0 0;
}

.jjfa_y_more {
    color: #fff;
    width: 100%;
    float: left;
    margin-top: 20px;
}

.sy_bg>div {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: -2;
    transition: all ease .3s;
    background-size: cover !important;
}

.sy_bg::after{
    content: '';
    background: rgb(24 27 32);
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    opacity: .7;
    z-index: -1;
}

.sy_bg .jjfa_bg0 {
    background: url(https://omo-oss-image1.thefastimg.com//portal-saas/demo_cdfed49d30994839b45c1c796901f2e2/cms/image/07946db0-4b86-409b-9b98-51fa557ced29.jpg) no-repeat center;
    background-attachment: fixed;
    z-index: -3;
}

body[style="overflow: hidden;"] .sy_bg .jjfa_bg0 {
    background-attachment: inherit;
}

.jjfa_bg1 {
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2023020323172672385/cms/image/dd566356-b881-4423-9b9f-728be475ee30.jpg) no-repeat center;
    background-attachment: fixed;
    opacity: 0;
}

.jjfa_bg2 {
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2023020323172672385/cms/image/812015d6-4235-4495-bcd5-b4b2c8263266.jpg) no-repeat center;
    background-attachment: fixed;
    opacity: 0;
}

.jjfa_bg3 {
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2023020323172672385/cms/image/a675e849-1b91-4071-a126-16563134d7c4.jpg) no-repeat center;
    background-attachment: fixed;
    opacity: 0;
}

.jjfa_bg4 {
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2023020323172672385/cms/image/33113bd0-9a61-4ef5-a4b5-34228e3bc85d.jpg) no-repeat center;
    background-attachment: fixed;
    opacity: 0;
}

.sy_bg>div.a {
    opacity: 1;
}

.jjfa_list01:hover .jjfa_q02 {
    opacity: 1;
}

.jjfa_list02:hover .jjfa_q02 {
    opacity: 1;
}

.jjfa_list03:hover .jjfa_q02 {
    opacity: 1;
}

.jjfa_list04:hover .jjfa_q02 {
    opacity: 1;
}

@media only screen and (max-width:768px) {
    .jjfa_y {
        margin-left: 0;
        width: 100%;
        padding: 0;
    }

    .sy_jjfa {
        margin-top: 0px;
        display: flex;
        flex-wrap: wrap-reverse;
    }

    .jjfa {
        width: 100%;
        float: left;
        margin-top: 0;
        margin-left: 0;
        margin-bottom: 12%;
    }

    .jjfa_y_sum {
        padding-right: 20px;
        font-size: 15px;
        line-height: 1.5;
        margin: 0;
    }

    .jjfa_list {
        height: 180px;
    }

    .jjfa_q02 {
        height: 180px;
    }

    .jjfa_title {
        margin-top: 10px;
        font-size: 16px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .jjfa_tb {
        padding: 20px 0 0 20px;
    }

    .jjfa_tb img {
        max-width: 40%;
    }

    .jjfa_title01 {
        padding: 25px 0 0 20px;
        font-size: 16px;
        line-height: 1;
    }

    .jjfa_sum {
        padding: 0px 20px 0 20px;
        font-size: 13px;
        line-height: 20px;
        height: auto;
    }

    .jjfa_more {
        padding: 0px 0 0 20px;
    }

    .jjfa_bg {
        position: absolute;
    }

    .jjfa_y_title {
        font-size: 26px;
    }
}