.innerbanner {
    width: 100%;
    height: 300px;
    background-size: cover!important;
}

.about_banner {
    background: url(../images/01.jpg) center top no-repeat;
}

.product_banner {
    background: url(../images/pcbg.jpg) center center no-repeat;
}

.news_banner {
    background: url(../images/newsbg.jpg) center center no-repeat;
    background: url(../images/newsbg1.jpg) center top no-repeat;
    /*background: url(../images/newsbg2.jpg) center center no-repeat;*/
}

.contact_banner {
    background: url(../images/13.jpg) center top no-repeat;
    background: url(../images/contbg.jpg) center top no-repeat;
}

.photo_banner {
    background: url(../images/09.jpg) center top no-repeat;
    background: url(../images/albumbg.jpg) center top no-repeat;
}

@media(max-width:767px) {
    .innerbanner {
        width: 100%;
        height: 100px;
        background-size: auto 100%;
    }
}