/*当屏幕小于或等于768px时*/
@media screen and (max-width: 768px) {

    .development_TXT_DIV {
        padding: 10px 10px;
    }

    .development_Title {
        /*font-size: 24px;*/
        /*font-weight:400;*/

        font-family: 'aether', sans-serif;
        /*font-weight: 900;*/
        font-size: 18px;
        color: #3c3c3c;
    }

    .development_Title_txt {
        font-size: 14px;
        margin: 8px 5px;
        font-weight: 200;
        /*text-align: left;*/
        letter-spacing: .5px;
        line-height: 16px;
    }

}

/*屏幕大于或等于768px时 for pc*/
@media screen and (min-width: 768px) {

    .development_TXT_DIV {
        padding: 10px 100px;
    }

    .development_Title {
        /*font-size: 24px;*/
        /*font-weight:400;*/

        font-family: 'aether', sans-serif;
        /*font-weight: 900;*/
        font-size: 20px;
        color: #3c3c3c;
    }

    .development_Title_txt {
        font-size: 16px;
        margin: 10px 5px;
        font-weight: 300;
        /*text-align: left;*/
        letter-spacing: 1px;
        line-height: 18px;
    }

}

/*屏幕大于或等于992px时 for pc*/
@media screen and (min-width: 992px) {

}

/*屏幕大于或等于1200px时 for pc*/
@media screen and (min-width: 1200px) {

}