.mian {
    background-color: #fff;
    width: 100%;
}

.bannergx {
    width: 100%;
    position: relative;
    padding-top: 37%;
    background: url('/NewMobileWeb/static/image/case/banner19.jpg') no-repeat center center;
    background-size: 100% auto;
}

.ggwz {
    position: absolute;
    top: 30%;
    color: #fff;
    padding: 0 5%;
}

.contents {
    padding: 5%;
}

.customer_menu {
    text-align: center;
}

    .customer_menu a {
        display: inline-block;
        margin-right: 2%;
        margin-bottom: 2%;
        font-size: 14px;
        color: #626262;
        line-height: 30px;
        height: 30px;
        padding: 0 5%;
        border: 1px #e0e0e0 solid;
        border-radius: 2px;
        width: 30%;
    }

.a_bt {
    color: #fff !important;
    border: 1px #558FF2 solid !important;
    background-color: #558FF2;
}

.item-title {
    padding: 15px 0;
    /* border-bottom: 2px solid #A2A2A2; */
    margin-bottom: 10px;
    position: relative;
    overflow-x: hidden;
}

    .item-title > h2:after {
        content: '';
        display: block;
        width: 100%;
        position: absolute;
        border-bottom: 1px solid #ccc;
        margin-left: 100px;
        top: 50%;
    }

.itemtent .item-text p {
    text-indent: 2em;
}

.itemtent {
    margin-bottom: 10%;
}

@media only screen and (max-width:400px) {
    .customer_menu a {
        display: inline-block;
        margin-right: 2%;
        margin-bottom: 2%;
        font-size: 14px;
        color: #626262;
        line-height: 30px;
        height: 30px;
        padding: 0 5%;
        border: 1px #e0e0e0 solid;
        border-radius: 2px;
        width: 40%;
    }
}