@media screen and (min-width: 1440px) {
    .content {
        width: 100%;
        margin-top: 50px;
    }

    .relation_mod {
        width: 1140px;
        height: 260px;
        margin: 0 auto;
    }

    .map-iframe{
        width: 1140px;
        height: 368px;
    }

    .mod {
        width: 370px;
        height: 270px;
        background-color: #F7F7F7;
        float: left;
    }

    .center {
        margin-left: 15px;
        margin-right: 15px;
    }

    .line {
        height: 4px;
        width: 50px;
        border-top: 4px solid rgb(236, 0, 29);
        margin: 0 auto;
        margin-bottom: 33px;
    }

    .relation_mod_logo {
        width: 100%;
        height: 50px;
        margin-bottom: 20px;
        text-align: center;
        margin-top: 42px;
    }

    .name {
        width: 100%;
        margin-bottom: 15px;
        color: rgb(236, 0, 29);
        font-size: 24px;
        font-family: "Microsoft YaHei";
        font-weight: bold;
        text-align: center;
    }

    .detail {
        font-size: 20px;
        color: #4D4D4D;
        font-family: "Microsoft YaHeiLight";
        font-weight: bold;
        width: 220px;
        margin: 0 auto;
        margin-bottom: 10px;
        text-align: center;
    }

    .map {
        margin-top: 50px;
        text-align: center;
    }

    .address {
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 1440px) {
    .content {
        width: 100%;
        margin-top: 50px;
    }

    .map-iframe{
        width: 100%;
        height: 368px;
    }

    .relation_mod {
        width: 70%;
        height: 260px;
        margin: 0 auto;
        margin-bottom: 3%;
    }

    .mod {
        width: 32%;
        height: 260px;
        background-color: #F7F7F7;
        float: left;
    }

    .center {
        margin-left: 2%;
        margin-right: 2%;
    }

    .line {
        height: 4px;
        width: 45px;
        border-top: 4px solid rgb(236, 0, 29);
        margin: 0 auto;
        margin-bottom: 33px;
    }

    .relation_mod_logo {
        width: 100%;
        height: 50px;
        margin-bottom: 20px;
        text-align: center;
        margin-top: 30px;
    }

    .name {
        width: 100%;
        margin-bottom: 15px;
        color: rgb(236, 0, 29);
        font-size: 24px;
        font-family: "Microsoft YaHei";
        font-weight: bold;
        text-align: center;
    }

    .detail {
        font-size: 20px;
        color: #4D4D4D;
        font-family: "Microsoft YaHeiLight";
        font-weight: bold;
        width: 70%;
        margin: 0 auto;
        margin-bottom: 20px;
        text-align: center;
    }

    .map {
        margin-top: 50px;
        text-align: center;
        width: 70%;
        margin: 0 auto;
    }

    .map img{
        width: 100%;
    }
    .address {
        margin-bottom: 20px;
    }
}