@media (min-width: @screen-sm-min) { 
    .introduction_content{
        font-size: 1.2vw;
    }
}
@media (min-width: @screen-md-min) {
    .introduction_content{
        font-size: 1vw;
    }
}
.introduction_content{
    font-size: 0.8vw;
}

.introduction_3_title,.introduction_4_title,.introduction_2_left_title,.introduction_5_title {
    font-size: 1.2vw;
}

.introduction_content {
    text-align: justify;
    color: #808080;
    line-height: 1.75;
}

.introduction_1 {
    width: 100%;
    background: #F0F0F0;
}

.introduction_1_left{
    margin: 0 auto;
    display: table;
}

.introduction_1_left_body {
    display: table-cell;
    vertical-align: middle;
}

.introduction_1_right {
}

.test {
    height: 130px;
    border: 1px solid blue;
}

.introduction_2,.introduction_3,.introduction_4,.introduction_5 {
    margin-top: 2vw;
}

.introduction_2_left {
    display: table;
}

#introduction_div1{
    padding-left: 2px;
    box-shadow: -2px -2px 3px rgba(0, 0, 0, 0.1);
}

#introduction_div2{
    box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.1);
}

.introduction_2_left_title {
    padding-left: 20px;
    color: #2C4A7F;
    margin-top: 30px;
}

.introduction_2_left_title span {
    border-left: 4px solid #2C4A7F;
    margin-right: 4px;
}

.introduction_2_body {
    margin: 20px 10px 30px 10px;
}

.introduction_2_right {
    padding-left: 0px;
    padding-right: 0px;
}

.introduction_3 {
    width: 100%;
    background: url("/_upload/tpl/00/50/80/template80/extends/about/images/introduction-bg.jpg") no-repeat;
    background-size: 100% 100%;
    color: #ffffff;
    padding: 20px 0px;
    margin-bottom: -1px;
}

.introduction_3_title {
    text-align: center;
}

.introduction_3_body {
    margin: 0 auto;
    width: 90%;
    margin-top: 10px;
}

.introduction_4 {
    width: 100%;
}

.introduction_4_left {
    padding: 20px 0px;
}

.introduction_4_left1 {
    padding-left: 0px;
}
.introduction_4_left2 {
    padding-left: 0px;
}

.introduction_4_title {
    color: #2C4A7F;
    border-top: 4px solid #2C4A7F;
    margin-top: 0px;
    width: auto;
    display: inline-block;
	line-height: 1.5;
}

.line-one {
    text-align: justify;
    text-align-last: justify;
}

.introduction_4_body {
    width: 90%;
    margin-top: 10px;
}

.introduction_4_right {
    padding-left: 0px;
    padding-right: 0px;
}


.introduction_5 {
    width: 100%;
    padding: 50px 30px;
    background: #F0F0F0;
}

.introduction_5_title {
    color: #2C4A7F;
}

.introduction_5_title span {
    border-left: 4px solid #2C4A7F;
    margin-right: 4px;
}

.introduction_5_body1 {
    margin: 20px 0px;
}

.introduction_2_body span,
.introduction_5_body1 span,
.introduction_4_body span {
    color: #2C4A7F;
    font-weight: 600;
}

.introduction_5_body2 {
    margin: 20px 0px;
}

.introduction_2_left_title,
.introduction_3_title,
.introduction_4_title,
.introduction_5_title {
    font-weight: 600;
}

.introduction_6 {
    margin: 2vw auto;
    display: flex;
    justify-content: flex-end;
}

#introduction_photo{
    width: 8vw;
    cursor: pointer;
}

#introduction_vr{
    width: 8vw;
    margin-left: 2vw;
    margin-right: 2vw;
    cursor: pointer;
}

#introduction_photo:hover {
    content: url("/_upload/tpl/00/50/80/template80/extends/about/images/about-photo-on.png");
}

#introduction_vr:hover {
    content: url("/_upload/tpl/00/50/80/template80/extends/about/images/about-vr-on.png");
}

@media (min-width: 300px) {

}

@media (min-width: 768px) {

}

@media (min-width: 992px) {

}

@media (max-with: 990px) {
.introduction_content{
    font-size: 1vw;
}
}
@media (min-width: 1200px) {
    .introduction_2_left_title {
        margin-top: 0px;
    }

    .introduction_2_body {
        margin: 20px 10px 0px 10px;
    }

    .introduction_4_body {
        width: 95%;
    }

    .introduction_4_left {
        padding: 0px 0px;
    }
}

@media (min-width: 1200px) {
    .introduction_4_body {
        width: 82%;
    }
}

@media (min-width: 1300px) {
    .introduction_4_body {
        margin-top: 20px;
    }

    .introduction_2_left_title {
    }

    .introduction_2_body {
        margin: 20px 10px 0px 20px;
    }

    .introduction_5_title {
    }

    .introduction_5_body1 {
    }

    .introduction_5_body2 {
    }

    .introduction_1 {
    }
}

@media (min-width: 1400px) {
    .introduction_2_left_title {
    }

    .introduction_2_body {
        margin: 30px 10px 0px 20px;
    }

}

@media (min-width: 1420px) {
    .introduction_4_body {
        width: 95%;
    }
}

@media (min-width: 1500px) {
    .introduction_2_body {
        margin: 30px 10px 0px 20px;
    }

    .introduction_3 {
        padding: 30px 0px;
    }

    .introduction_3_body {
        margin-top: 20px;
    }

    .introduction_4_body {
        width: 85%;
        line-height: 1.75;
    }
}

@media (min-width: 1600px) {

    .introduction_1 {
    }

    .introduction_3 {
        padding: 40px 0px;
    }

    .introduction_3_body {
        margin-top: 30px;
    }

    .introduction_4_title {
    }

    .introduction_4_body {
        width: 82%;
    }
}


@media (min-width: 1700px) {
    .introduction_3 {
        padding: 50px 0px;
    }

    .introduction_4_body {
        width: 78%;
    }
}

@media (min-width: 1800px) {
    .introduction_3 {
        padding: 80px 0px;
    }

    .introduction_4_body {
        width: 80%;
    }
}

@media (min-width: 1900px) {
    .introduction_4_body {
        width: 81%;
    }
}