.feedback-banner{
    background: url("../images/feedback-banner.png") no-repeat center;
    height: 400px;
    background-size: cover;
    min-width: 1200px;
}
.feedback-main{
    min-width: 1200px;
    background: url("../images/faq-bg.png") no-repeat center;
    background-size: cover;
    padding-bottom: 50px;
}
.feedback-ul li{
    float: left;
    border: 1px solid #cccccc;
    margin: 14px 28px 14px 0px;
    font-size: 0;
}
.feedback-ul li img{
    width: 379px;
    height: 274px;
}
.feedback-ul li:nth-child(3n){
    margin-right: 0;
}
.feedback-ul li:hover{
    border: 1px solid #339999;
    box-shadow: 0 0 10px rgba(0, 158, 236, 0.5);
}
@media screen and (max-width: 576px){
    .feedback-main,.inquiry,.gc-title{
        min-width: auto;
    }
    .feedback-banner{
        min-width: auto;
        height: 4rem;
    }
    .feedback-ul{
        padding: 0 0.2rem;
    }
    .feedback-ul li{
        margin: 0.2rem 0 0 0;
        float: none;
        width: 100%;
        box-sizing: border-box;
    }
    .feedback-ul li img{
        width: 100%;
        height: 100%;
    }
    .inquiry{
        padding: 0 0.2rem 0.5rem 0.2rem;
    }
    .gc-title{
        font-size: 0.46rem;
        line-height: 1.8rem;
    }
}

@media screen and (min-width: 577px) and (max-width: 1160px){
    .feedback-banner,.feedback-main,.inquiry,.gc-title{
        min-width: auto;
    }
    .feedback-ul li{
        margin: 15px 1.5% 0 1.5%;
        float: left;
        width: 30%;
        box-sizing: border-box;
    }
    .feedback-ul li img{
        width: 100%;
        height: auto;
    }
    .inquiry-table{
        padding: 0 20px;
    }
    .feedback-ul li:nth-child(3n){
        margin-right:1.5%
    }
}