.content {
    width: 100%;
    background-color: #F7F7F7;
}

.detail {
    max-width: 1700px;
    min-height: 800px;
    width: 100%;
    padding: 55px;
    overflow: hidden;
    background-color: #fff;
}

#map {
    width: 100%;
    height: 420px;
    float: left;
    margin: 30px 0 75px 0;
}

.contact-con-img {
    width: 100%;
    text-align: center;
}

.contact_con {
    margin-top: 20px;
    display: flex;
    line-height: 1.8em;
    justify-content: space-between;
}

.feedback form {
    width: 90%;
    float: left;
}

.feedback form ul {
    width: 100%;
    float: left;
}

.feedback form ul li {
    width: 100%;
    float: left;
    position: relative;
    margin: 10px 0;
    list-style: none
}

.feedback form ul li:after {
    content: '*';
    color: red;
    position: absolute;
    right: 10px;
    top: 0;
}

.feedback form ul li:last-child:after {
    content: '';
}

.feedback form ul li p {
    width: 15%;
    color: #8a8a8a;
    float: left;
    text-align: right;
    margin-right: 5%;
    line-height: 42px;
}

.feedback form ul li input[type=text] {
    width: 75%;
    color: #8a8a8a;
    float: left;
    border: 1px solid #cccccc;
    padding: 5px 10px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 30px;
}

.feedback form ul li textarea {
    width: 75%;
    height: 230px;
    float: left;
    border: 1px solid #cccccc;
    padding: 5px 10px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 30px;
}

.feedback form ul li input[type=button] {
    width: 90px;
    height: 40px;
    line-height: 40px;
    border: 1px solid #ccc;
    color: #8a8a8a;
    transition: all 0.4s ease;
    background: #FFF;
    cursor: pointer;
    margin-left: 20%;
}

.feedback form ul li input[type=button]:hover {
    background: #2ab08f;
    color: #FFF;
    border-color: #2ab08f;
}

#txtCode {
    width: 80px;
}

.feedback form ul li a {
    line-height: 42px;
}

@media (max-width: 768px) {
    .content {
        width: 100%;
        background-color: #F7F7F7;
    }

    .detail {
        max-width: 768px;
        padding: 10px;
    }

    #map {
        width: 100%;
        height: 420px;
        float: none;
        margin: 30px 0 75px 0;
    }
    .contact_con {
        flex-flow: wrap;
    }
.contact_con > div{
    width: 100%;
}

    .feedback form {
        width: 100%;
        float: none;
    }

    .feedback form ul {
        width: 100%;
        padding: 0;
        margin: 0;
        float: none;
    }

    .feedback form ul li {
        width: 100%;
        float: left;
        position: relative;
        margin: 10px 0;
        list-style: none
    }

    .feedback form ul li:after {
        content: '*';
        color: red;
        position: absolute;
        right: 10px;
        top: 0;
    }

    .feedback form ul li:last-child:after {
        content: '';
    }

    .feedback form ul li p {
        width: 15%;
        min-width: 60px;
        color: #8a8a8a;
        float: left;
        text-align: right;
        margin-right: 5%;
        line-height: 42px;
    }

    .feedback form ul li input[type=text] {
        width: 72%;
        margin-right: 10px;
        color: #8a8a8a;
        float: left;
        border: 1px solid #cccccc;
        padding: 5px 10px;
        box-sizing: border-box;
        font-size: 14px;
        line-height: 30px;
    }

    .feedback form ul li textarea {
        width: 72%;
        height: 230px;
        float: left;
        border: 1px solid #cccccc;
        padding: 5px 10px;
        box-sizing: border-box;
        font-size: 14px;
        line-height: 30px;
    }

    .feedback form ul li input[type=button] {
        width: 90px;
        height: 40px;
        line-height: 40px;
        border: 1px solid #ccc;
        color: #8a8a8a;
        transition: all 0.4s ease;
        background: #FFF;
        cursor: pointer;
        margin-left: 0;
    }

    .feedback form ul li input[type=button]:hover {
        background: #2ab08f;
        color: #FFF;
        border-color: #2ab08f;
    }

    #txtCode {
        width: 80px;
    }

    .feedback form ul li a {
        line-height: 42px;
    }

}