@media (min-width: 768px) {
    .yh_home_bg img {
        width: 100%;
        height: 100vh;
        position: relative;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        z-index: -1;
    }
    .bg_title {
        position: absolute;
        color: #fff;
        top: 150px;
        left: 30%;
        padding-right: -50px;
    }
    .bg_title h4 {
        font-size: 40px;
        font-weight: 700;
    }
    .box {
        position: absolute;
        top: 60%;
        width: 100%;
        height: 40vh;
        background: -webkit-linear-gradient(top,rgba(0,0,0,0.1),#000 60%);;
        background: -moz-linear-gradient( top,#ccc,#000);
        color: #fff;
    }
    .box .col-md-3 {
        line-height: 50px;
    }
    .box .col-md-12 h3{
        margin: 0;
        font-weight: 500;
    }
    .box .col-md-12 {
        padding:30px 0;
        line-height: 30px;
        font-size: 16px;
    }
    .box img {
        width: 25px;
    }
    .box .con{
        font-size: 18px !important;
        line-height: 30px !important;
        letter-spacing: 1px !important;
    }
}
@media (max-width: 1300px) {
    .yh_home_bg img {
        width: 100%;
        height: 50%;
        z-index: -1;
    }
    .bg_title {
        color: #fff;
        top: 150px;
    }
    .bg_title h4 {
        font-size: 40px;
        font-weight: 700;
    }
    .box .col-md-3 {
        line-height: 50px;
        text-align: center;
    }
    .box .col-md-12 h3{
        margin: 0;
        font-weight: 500;
    }
    .box .col-md-12 {
        padding:30px 0;
        line-height: 30px;
        font-size: 16px;
    }
    .box img {
        width: 20px;
    }
    .box .col-md-12 h3{
        text-align: left;
        letter-spacing: 0px !important;
        font-weight: 600;
        color: #333;
        padding: 0 20px;
        font-size: 18px !important;
        position: relative;
        padding-bottom: 20px;
    }
    .box .col-md-12 h3::after{
        content: '';
        display: inline-block;
        width: 100px;
        height: 2px;
        background-color: #0a88f7;
        position: absolute;
        bottom: 0;
        left: 20px;
    }
    .box .col-xs-6{
        transform: scale(0.8);
        line-height: 30px;
        text-align: left;
    }
    .box .con{
        padding: 20px;
        padding-top: 50px;
        font-size: 14px !important;
        line-height: 30px !important;
        letter-spacing: 1px !important;
    }
}
@media (min-width: 768px) and (max-width: 1300px) {

}