@media all and (max-width: 768px) {

    /* about-1 */

    #av-about-1 {
        background-image: none;
        background-color: #000B3B;
        height: 43.2vw;

    }

    #av-about-1 h1 {
        font-size: 5.3vw;
        margin: 0px;
        padding-left: 8.5vw;
        padding-top: 12.2vw;
    }

    #av-about-1 .breadcrumbs {
        margin-left: 9vw;
        margin-top: 2.5vw;
    }

    #av-about-2 {
        /*height: 56.5vw;*/
    }

    #av-about-2 .intro {
        margin: 0px;
        font-size: 3.6vw;
        line-height: 6vw;
    }

    #av-about-2 .intro .text {
        display: block;
        background-color: #F8F8FA;
        padding-left: 4vw;
        padding-top: 1.8vw;
        padding-bottom: 2.8vw;
        padding-right: 4vw;

    }

    #av_about_photo_1 {
        display: none;
    }

    #av_about_photo_2 {
        display: none;
    }

    #av-about-2 h3 {
        margin: 0px;
        font-size: 5.3vw;
        line-height: 6.7vw;
        padding-top: 2.9vw;
        padding-bottom: 4vw;
        padding-left: 4vw;
        padding-right: 4vw;
    }

    #av-about-2 ul {

    }

    #av-about-2 ul {
        margin-left: 4vw;
        margin-right: 4vw;
    }

    #av-about-2 .right ul {
        margin-bottom: 10vw;
    }

    #av-about-2 ul li {
        background-image: url('about/bullet.png');
        background-size: 2vw 2vw;
        background-position: 0px 1.6vw;
        padding-left: 4.5vw;
        margin-right: 4vw;
        margin-bottom: 3vw;
        font-size: 3.85vw;
        line-height: 6vw;
    }

    #av-about-3 {
        font-size: 4.2vw;
        line-height: 7vw;
        padding-top: 6.5vw;
        padding-bottom: 6.5vw;
        padding-left: 8.5vw;
        padding-right: 8.5vw;
    }

    #av-about-4 {

    }

    #av-about-4 .sections .av4-section {

    }

    #av-about-4 .sections .av4-section:first-child {

    }

    #av-about-4 ul.tabs {
        display: none;
    }

    #av-about-4 ul.tabs li.active {

    }

    #av-about-4 .av4-section {
        padding-top: 1.6vw;
        padding-bottom: 7.6vw;
        padding-left: 4vw;
        padding-right: 4vw;
        background-color: #F9F9FA;
        /*background-color: red;*/
    }

    #av-about-4 .av4-section:nth-child(2) {
        background-color: #FFFFFF;
    }

    #av-about-4 .av4-section img {
        display: none;
    }

    #av-about-4 .av4-section h2 {
        border-bottom: 0.15vw solid #092EFF;
        font-size: 5.1vw;
        font-weight: normal;
        padding-bottom: 1vw;
    }

    #av-about-4 .av4-section h3 {
        margin: 0px;
        margin-top: 0px;
        font-size: 4.15vw;
        padding-top: 0.8vw;
        padding-bottom: 0vw;
    }

    #av-about-4 .av4-section p {
        font-size: 3.85vw;
        line-height: 5.3vw;
        margin-bottom: 1.2vw;
    }

}