.wrap-menu {

    margin: 0 auto;
    overflow: auto;
    width: 110%;
    background: #F6F6F6;
    font: 12px/1.5 Tahoma,Arial,sans-serif
}

    .wrap-menu ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

        .wrap-menu ul li {
            text-indent: 3em;
            white-space: nowrap;
        }

            .wrap-menu ul li h2 {
                cursor: pointer;
                height: 100%;
                width: 100%;
                margin: 0 0 1px 0;
                font: 12px/31px '宋体';
                margin-left:-25px;
            }

            .wrap-menu ul li a {
                display: block;
                outline: none;
                height: 25px;
                line-height: 25px;
                margin: 1px 0;
                color: #1A385C;
                text-decoration: none;
            }

            .wrap-menu ul li img {
                margin-right: 10px;
                margin-left: -17px;
                margin-top: 9px;
                width: 7px;
                height: 7px;
                background: url(../images/arrow.gif) no-repeat;
                border: none;
            }

                .wrap-menu ul li img.unfold {
                    background-position: 0 -9px;
                }

            .wrap-menu ul li a:hover {
                background-color: #ccc;
                background-image: none;
            }