* {
    padding: 0;
    margin: 0;
}

@media (min-width: 600px) {
    .bgc-img {
        width: 100%;
        height: 640px;
    }
    .top {
        margin-top: 120px;
        width: 100%;
        height: 325px;
        background-color: aqua;
    }
    .CompanyName {
        margin-top: 50px;
        font-size: 36px;
        font-weight: bold;
    }
    .center {
        text-align: center;
    }
    .firm {
        font-family: Arial, Helvetica, sans-serif;
        font-weight: 400;
        font-size: 20px;
        line-height: 1.3;
        color: #444538;
        letter-spacing: 0em;
    }
    .bottom {
        clear: both;
    }
    .center_ziliao {
        width: 1200px;
        margin: auto;
        margin-top: 80px;
    }
    .center_ditu {
        width: 1200px;
        margin: auto;
        margin-top: 80px;
    }
    .center_left {
        float: left;
        width: 590px;
        height: 400px;
        line-height: 30px;
    }
    .center_right {
        margin-left: 15px;
        float: left;
        width: 590px;
        height: 400px;
    }
    .About {
        font-size: 18px;
        font-weight: bold;
    }
    .isabout {
        margin-left: 30px;
    }
    #container {
        height: 400px;
        width: 600px;
    }
    .custom-content-marker .close-btn {
        position: absolute;
        top: -6px;
        right: -8px;
        width: 15px;
        height: 15px;
        font-size: 12px;
        background: #ccc;
        border-radius: 50%;
        color: #fff;
        text-align: center;
        line-height: 15px;
        box-shadow: -1px 1px 1px rgba(10, 10, 10, .2);
    }
    .custom-content-marker .close-btn:hover {
        background: #666;
    }
    .custom-content-marker img {
        width: 50px;
        height: 50px;
    }
    .info {
        padding: .75rem 1.25rem;
        border-radius: .25rem;
        position: fixed;
        top: 1rem;
        background-color: white;
        width: auto;
        border-width: 0;
        box-shadow: 0 2px 6px 0 rgba(114, 124, 245, .5);
    }
    .center_right_img {
        width: 300px;
        margin-left: 30px;
        margin-top: 50px;
    }
    .center_right_ditu {
        background-color: #f1f4f9;
        line-height: 40px;
    }
}

@media screen and (max-width: 600px) {
    body {
        background-color: floralwhite;
    }
    .top {
        margin-top: 120px;
        width: 100%;
        height: 325px;
        background-color: aqua;
    }
    .CompanyName {
        font-size: 25px;
        font-weight: bold;
    }
    .center {
        text-align: center;
    }
    .firm {
        font-family: Arial, Helvetica, sans-serif;
        font-weight: 400;
        font-size: 20px;
        line-height: 1.3;
        color: #444538;
        letter-spacing: 0em;
    }
    .bottom {
        clear: both;
    }
    .center_ziliao {
        width: 96%;
        margin: auto;
        margin-top: 20px;
    }
    .center_ditu {
        width: 100%;
        margin: auto;
    }
    .center_left {
        float: left;
        width: 100%;
        line-height: 30px;
    }
    .center_right {
        float: left;
        width: 100%;
    }
    .About {
        font-size: 18px;
        font-weight: bold;
    }
    .isabout {
        margin-left: 30px;
    }
    #container {
        height: 300px;
        width: 100%;
    }
    .custom-content-marker .close-btn {
        position: absolute;
        top: -6px;
        right: -8px;
        width: 15px;
        height: 15px;
        font-size: 12px;
        background: #ccc;
        border-radius: 50%;
        color: #fff;
        text-align: center;
        line-height: 15px;
        box-shadow: -1px 1px 1px rgba(10, 10, 10, .2);
    }
    .custom-content-marker .close-btn:hover {
        background: #666;
    }
    .custom-content-marker img {
        width: 50px;
        height: 50px;
    }
    .info {
        padding: .75rem 1.25rem;
        border-radius: .25rem;
        position: fixed;
        top: 1rem;
        background-color: white;
        width: auto;
        border-width: 0;
        box-shadow: 0 2px 6px 0 rgba(114, 124, 245, .5);
    }
    .center_right_img {
        width: 100px;
        margin-left: 30px;
        margin-top: 50px;
    }
    .center_right_ditu {
        display: none;
    }
    .ssss {
        width: 100%;
    }
    .ish2s {
        font-size: 19px;
    }
    .dis {
        border-top: 1px solid white;
        border-bottom: 1px solid white;
    }
}