@media only screen and (max-device-width: 500px) {
    .border_box {
        display: none;
    }
    .primary-menu {
        display: none
    }
    .mobile-menu-title {
        display: block;
    }
    .sf-menu {
        float: none !important;
    }
    h3 {
        font-size: 0.8rem;
    }
    #footer {
        display: none;
    }
    #mobi-footer {
        display: block;
        min-height: 70px;
        padding: 10px;
    }
    #mobi-footer .copy-right {
        font-size: 10px;
    }
    #loggo img {
        max-width: 60% !important;
    }
    #loggo .title-cn {
        font-size: 11px !important;
    }
    #loggo .title-en {
        font-size: 02px !important;
    }
    #loggo .logo-img {
        width: 50px !important;
    }
    h2.head {
        font-size: 1.5em;
    }
    label {
        font-weight: 500;
    }
    /*MAIN MENU*/
    .primary-menu ul li a {
        font-size: 1.5rem !important;
    }
    /* .sub-menu { */
    /*display: block !important;*/
    /* position: relative !important ; */
    /* padding-left:  20px !important ; */
    /* } */
    .article-list li a {
        font-size: 10px;
        margin-left: 0px !important;
    }
    .orange-title-text {
        font-size: 13px;
    }
    .lbl-content {
        margin-left: 2px
    }
    ul.children {
        margin-left: 3px;
    }
    ul.children li {
        /*margin-left: 10px;*/
        /* background-color: #D2EBF7 !important; */
    }
    .spaceTop {
        margin-top: 1px;
        margin-left: 10px;
    }
    .my-img {
        width: 60px !important;
        padding-top: 10px !important;
    }
}

@media only screen and (max-device-width: 750px) {
    .primary-menu,
    .silder-space {
        display: none
    }
    .mobile-menu-title {
        display: block;
    }
    #loggo img {
        max-width: 60% !important;
    }
    #loggo .title-cn {
        font-size: 15px !important;
    }
    #loggo .title-en {
        font-size: 09px !important;
    }
    #loggo .logo-img {
        width: 80px !important;
    }
}

@media only screen and (max-device-width: 970px) {
    .primary-menu,
    .silder-space {
        display: none
    }
    .mobile-menu-title {
        display: block;
    }
}

@media only screen and (max-device-width: 1170px) {}

@media only screen and (max-device-width: 1366px) {}

@media only screen and (max-device-width: 1920px) {}