/* lg */
.ad{
    width: 100%;
    max-width: 1980px;
    overflow: hidden;
    margin:4% auto;
}
@media (min-width:1200px) {
    .section-intro .introduce {
        width: 100%;
        padding-top: 2%;

    }
    .section-intro .introduce .intro{
        width: 50%;
        float: left;
    }
    h2{
        font-size: 72px;
        color: #e6e6e6;
        text-transform: uppercase;
        font-family: "Arial";
    }
    p.red{
        font-size: 14px;
        color: #d3080b;
    }
    .section-intro .introduce .intro1-left p{
        margin-top: 2%;
        font-size: 14px;
        color: #444;
    }
    .section-intro .introduce .intro2-right{
        float: right;
        text-align: right;
    }
    .section-intro .introduce .intro2-right img{
        width: 387px;
        height: 395px;
    }



}

/* md */

@media (min-width:992px) and (max-width:1199px) {
    .section-intro .introduce {
        width: 100%;
        padding-top: 2%;

    }
    .section-intro .introduce .intro{
        width: 50%;
        float: left;
    }
    h2{
        font-size: 72px;
        color: #e6e6e6;
        text-transform: uppercase;
        font-family: "Arial";
    }

    .section-intro .introduce .intro1-left p{
        margin-top: 2%;
        font-size: 14px;
        color: #444;
    }
    .section-intro .introduce .intro1-left p.red{
        font-size: 14px;
        color: #d3080b;
    }
    .section-intro .introduce .intro2-right{
        float: right;
        text-align: right;
    }
    .section-intro .introduce .intro2-right img{
        width: 387px;
        height: 395px;
    }
    .ad{
        width: 100%;
        max-width: 1199px;
        overflow: hidden;
        margin:4% auto;
    }
    .ad img{
        width: 100%;
    }

}
/* sm */

@media (min-width:768px) and (max-width:991px) {
    .section-intro{
        width: 100%;
    }
    .section-intro .introduce {
        width: 100%;
        padding-top: 2%;

    }
    .section-intro .introduce .intro{
        width: 50%;
        float: left;
    }
    h2{
        font-size: 36px;
        color: #e6e6e6;
        text-transform: uppercase;
        font-family: "Arial";
    }

    .section-intro .introduce .intro1-left p{
        margin-top: 2%;
        font-size: 12px;
        color: #444;
    }
    .section-intro .introduce .intro1-left p.red{
        font-size: 14px;
        color: #d3080b;
    }
    .section-intro .introduce .intro2-right{
        float: right;
        text-align: right;
    }
    .section-intro .introduce .intro2-right img{
        width: 90%;
        height: 90%;
    }
    .ad{
        width: 100%;
        max-width: 1199px;
        overflow: hidden;
        margin:4% auto;
    }
    .ad img{
        width: 100%;
    }
    .intro-title{
        text-align: center;
    }
    .small-dec{
        padding: 1% 0;
    }

}


/* xs */

@media (max-width:767px) {

    .section-intro{
        width: 100%;
    }
    .section-intro .introduce {
        width: 100%;
        padding-top: 2%;

    }
    .section-intro .introduce .intro{
        width: 90%;
        margin:0 auto;
        float: none;
    }
    h2{
        font-size: 36px;
        color: #e6e6e6;
        text-transform: uppercase;
        font-family: "Arial";
    }

    .section-intro .introduce .intro1-left p{
        margin-top: 2%;
        font-size: 12px;
        color: #444;
    }
    .section-intro .introduce .intro1-left p.red{
        font-size: 14px;
        color: #d3080b;
    }
    .section-intro .introduce .intro2-right{
        display: none;
    }

    .ad{
       display: none;
    }

    .intro-title{
        width: 90%;
        margin: 0 auto;
        text-align: center;
    }
    .small-dec{
        padding: 1% 0;
    }
    body> section{
        padding: 0;
    }
}