.twonav {
    width: 100%;
    float: left;
    margin-bottom: 0.8rem;
}

    .twonav .tnvitem {
        width: 700px;
        margin: 1rem auto 1rem auto;
    }

        .twonav .tnvitem .tnav2 {
            display: block;
            float: left;
            margin-right: 1rem;
            font-size: 16px;
            border: 1px solid #f2f2f2;
        }

    .twonav .tnav2 span.seled2 > a {
        color: #b22929;
    }

    .twonav .tnvitem .tnav2 .lvitem2 {
        width: 17rem;
    }

        .twonav .tnav2 span {
            display: inline-grid;
        }

    .twonav .tnav2 .lvitem2 a {
        padding: 0.6rem 1.3rem;
        font-size: 15px;
        font-weight: 600;
        background-color: #f6f6f6;
        text-align: center;
    }

        .twonav .tnav2 .lvitem3 a:hover {
            background-color: #f6f6f6;
        }

        .twonav .tnav2 .lvitem3 a {
            padding: 0.6rem 1.3rem;
            font-size: 14px;
            font-weight: 500;
            /*background-color:#f6f6f6;*/
        }

        /*3*/