/*about*/
.about-box {
    width: 1366px;
    margin: 0 auto;
    padding: 50px 0;
    min-height: 700px;
    background: url(../images/bg-about.png) no-repeat 100% 100%;
}

.about-txt {
    font-size:28px;
    line-height:2.4;
    padding:50px 120px 0 50px;
}

@media (max-width:768px) {
    .mod-hd {
        margin-left:40px;
    }
    .about-box {
        width: 100%;
        margin: 0;
        padding: 50px 0;
        min-height: 500px;
        background: url(../images/bg-about.png) no-repeat 100% 100%;
        background-size:contain;
    }

    .about-txt {
        font-size: 16px;
        line-height: 2;
        padding: 30px 50px 0 50px;
    }
}