/* xong */
@media screen and (max-width: 319px){
    .section_intro h1{
        font-size: 25px;
    }
    .section_tongquan table th,
    .section_tongquan table td,
    .section_tongquan table tr{
        display: block;
        border-bottom: none;
        width: 100% !Important;
        height: auto !Important;
        padding: 10px 0px !important;
    }
    .section_tongquan table {
        margin: 0 10px;
        width: auto;
        width: 100% !Important;
        height: auto !Important;
    }
    .tongquan_title h2{
        font-size: 23px;
    }
    #footer .text-right{
        border-right: none;
        text-align: left;
    }
    #footer{
        padding-top: 10px;
    }
    .section-title b{
        display: none;
    }
    .medium-logo-center .logo{
        margin: 0 45px;
    }
    .gallery-item{
        width: 100% !Important;
        padding: 0px !Important;
    }
    .gallery {
        margin-left: 0px ! Important;
        margin-right: 0px ! Important;
    }
}

@media (min-width: 320px) and (max-width: 480px) {
    .section_intro h1{
        font-size: 25px;
    }
    .section_tongquan table th,
    .section_tongquan table td,
    .section_tongquan table tr{
        display: block;
        border-bottom: none;
        width: 100% !Important;
        height: auto !Important;
        padding: 10px 0px !important;
    }
    .section_tongquan table {
        margin: 0 10px;
        width: auto;
        width: 100% !Important;
        height: auto !Important;
    }
    .tongquan_title h2{
        font-size: 23px;
    }
    #footer .text-right{
        border-right: none;
        text-align: left;
    }
    #footer{
        padding-top: 10px;
    }
    .section-title b{
        display: none;
    }
    .medium-logo-center .logo{
        margin: 0 45px;
    }
    .gallery-item{
        width: 100% !Important;
        padding: 0px !Important;
    }
    .gallery {
        margin-left: 0px ! Important;
        margin-right: 0px ! Important;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .section_intro h1{
        font-size: 25px;
    }
    .section_tongquan table th,
    .section_tongquan table td,
    .section_tongquan table tr{
        display: block;
        border-bottom: none;
        width: 100% !Important;
        height: auto !Important;
        padding: 10px 0px !important;
    }
    .section_tongquan table {
        margin: 0 10px;
        width: auto;
        width: 100% !Important;
        height: auto !Important;
    }
    .tongquan_title h2{
        font-size: 23px;
    }
    #footer .text-right{
        border-right: none;
        text-align: left;
    }
    #footer{
        padding-top: 10px;
    }
    .section-title b{
        display: none;
    }
    .medium-logo-center .logo{
        margin: 0 45px;
    }
    .gallery-item{
        width: 100% !Important;
        padding: 0px !Important;
    }
    .gallery {
        margin-left: 0px ! Important;
        margin-right: 0px ! Important;
    }
}
@media (min-width: 769px) and (max-width: 991px) {

}
@media (min-width: 992px) and (max-width: 1199px) {

}