.content {
    width: 100%;
    padding: 1% 2%;
}

    .content .left {
        width: 15%;
        float: left;
    }

        .content .left > a {
            width: 80%;
            display: block;
            font-weight: 700;
            font-size: 17px;
            line-height: 40px;
            border-bottom: 1px solid #e1e1e1;
        }

        .content .left ul li {
            line-height: 30px;
            padding-left: 10px;
        }

            .content .left ul li a {
                cursor: pointer;
            }

.m_title {
    font-size: 17px;
    line-height: 40px;
    border-bottom: 1px solid #e0e0e0;
    position: relative;
    display: block !important;
}

    .m_title .back {
        display: none;
    }

.rebate .allexchange {
    display: none;
    padding-left: 5px;
}

.rebate span {
    cursor: pointer;
}

    .rebate span .layui-icon {
        vertical-align: bottom;
        font-size: 12px;
    }

@media only all and (max-width:1023px) {
    .content {
        width: 100%;
        padding: 0px;
    }

    .m_title .back {
        display: block;
    }
}