.ob_content .ob_top {
    position: relative;
    margin-bottom: 50px
}

.ob_content .ob_top .imgCon {
    box-shadow: 0 5px 10px rgba(0, 0, 0, .3);
    background: url(ob_01.png) no-repeat;
    height: auto
}

.ob_content .ob_top .imgCon img {
    display: block;
    width: 100%
}

.ob_content .ob_top .textCon {
    position: absolute;
    left: 25px;
    top: 30px
}

.ob_content .ob_top h3 {
    height: 42px;
    line-height: 42px;
    font-size: 28px
}

.ob_content .ob_top p {
    width: 380px;
    line-height: 32px;
    font-size: 16px;
    color: #666
}

.ob_content .txt_little {
    line-height: 32px;
    font-size: 14px;
    color: #333;
    padding-left: 20px;
    padding-right: 20px;
    margin-bottom: 20px;
    text-align: justify;
    padding-bottom: 20px;
    border-bottom: 1px solid #e7e7e7
}

.ob_content iframe {
    width: 100%
}

.ob_content .pc_iframe {
    height: 600px
}

.ob_content .mobile_iframe {
    display: none
}

@media (max-width:767px) {
    .ob_content .mobile_iframe {
        display: inline-block;
        height: 750px;
    }
    .ob_content .ob_top .imgCon {
        height: 2.56rem
    }
    .ob_content .ob_top .textCon {
        left: .36rem;
        top: .3rem
    }
    .ob_content .ob_top h3 {
        width: 60%;
        height: .42rem;
        line-height: .42rem;
        font-size: .36rem
    }
    .ob_content .ob_top {
        padding-left: .18rem;
        padding-right: .18rem;
        margin-bottom: .4rem
    }
    .ob_content .ob_top p {
        width: 60%;
        font-size: .21rem;
        line-height: .42rem
    }
    .ob_content .txt_little {
        padding-left: .18rem;
        padding-right: .18rem;
        font-size: .26rem;
        line-height: .42rem;
        margin-bottom: .2rem
    }
}