@media (min-width:1200px) /* lg*/ {
    .row_pc{
        margin-right: -15px;
        margin-left: -15px;
    }
.clearfix-100{
  clear: both;
  height: 100px;
  display: block;
}
    .container{
        width: 1200px;
    }
    .col-lg-225{
        width: 22.5%;
    }
    .col-lg-550{
        width: 55%;
    }
    .col-lg-push-225{
        left: 22.5%;
    }
    .col-lg-775{
        width: 77.5%;
    }
    .col-lg-pull-775{
        right: 77.5%;
    }
    .col-lg-280{
        width: 28%; 
    }
    .col-lg-720{
        width: 72%; 
    }
    .col-lg-700{
        width: 70%; 
    }
    .col-lg-977 {

        width: 77%;

    }
    .col-lg-323 {

        width: 23%;

    }
    .col-lg-543{
        width: 43.666667%;
    }
    .col-lg-431{
        width: 31.333333%;
    }
    .col-lg-320{
        width: 20%;
    }
    .col-lg-330 {
        width: 30%;
    }
    .col-lg-980{
        width: 80%;
    }
    .col-lg-436{
        width: 36.333333%;
    }
    .col-lg-431 {
        width: 31.333333%;
    }
    .col-lg-538 {
        width: 38.666667%;
    }
    .col-lg-427 {
        width: 27.333333%;
    }
    .col-lg-222 {
        width: 22.666667%;
    }
    .col-lg-329 {

        width: 29%;

    }
    .col-lg-130{
        width: 12%;
    }
    .col-lg-620{
        width: 63%;
    }
    .col-lg-642 {

        width: 42%;

    }
}

@media (min-width:992px) and (max-width:1199px) /* md*/{
    .row_pc{
        margin-right: -15px;
        margin-left: -15px;
    }
     .col-md-329 {

        width: 29%;

    }

    .col-md-642 {

        width: 42%;

    }
    .menu>li>a:after{
        left: 0px!important;
    }
     
}

@media (min-width:768px) and (max-width:991px) /* sm*/{
     
}

@media (max-width:767px) /* xs*/{
    .fixcontent img{
        width: inherit;
        max-width: 100% !important;
        height: auto !important;
    }
    .fixcontent table{
        width: inherit;
        max-width: 100% !important;
        height: auto !important;
    }
    .giohangfix{
        width: 550px !important;
    } 
     .fixgiohang {
            overflow: auto;
        }
.button_send{
    width: 20% !important;
}
.menu_mobi .form-control{
    height: 26px;
padding: 3px 12px;
}
.menu_mobi{
    margin-top: 2px !important;
}
.form-group {
    margin-bottom: 2px;
}
}

@media (max-width:480px) {
	body{
        overflow-x: hidden;
    }
    .col-480-12{
        width: 100% !important;
    }
    .col-480-6{
        width: 50% !important;
    }
    .hidden-480{
        display: none !important;
    }
    .fixgiohang {
            overflow: auto;
        }
    .visible-480{
        display: block !important;
    }
     .slider_main .item img{
        height: 300px;
     }
     .qts-footer-top .row{
        display: inline-block;
     }
    .help{
        margin-bottom: 20px;
    }
    .send-mail input{
        width: 240px;
    }
    .qts-footer-center .row .col-md-2 img{
        width: 30%;
        display: block;
        margin: 0 auto;
    }
    .qts-footer-center .row .col-md-2,
    .qts-footer-center .row .col-md-4{
        margin-bottom: 20px;
    }
    .qts-content-home .col-md-5 img{
        height: 290px;
        width: 100%;
    }
    .tit_hot {
        font-size: 27px;
        margin-top: 30px;
    }
    .send-mail button{
        padding: 7px 35px;
    }
    .tit_hot a{
        border-bottom: 0;
    }
    .text-center .lang1{
        position: absolute;
        top: 0;
        right: 0;
    }
    .qts-footer-center .link{
        width: 50%;
    }
    .qts-footer-center .link li{
        display: flex;
        justify-content: flex-start
    }
    .link .mxh{
        margin-left: 20px;
    }
}


.visible-480{
    display: none;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
}