.wrap-menu {
    overflow: auto;
    max-height: 250px;
    width: 100%;
    background: #fff;
    font: 12px/1.5 "Microsoft YaHei";
    display: none;
    border: 2px solid #ddd;
    position: absolute;
    max-width: 400px;
    z-index: 999;
}

.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: default;
    height: 100%;
    width: 100%;
    margin: 0 0 1px 0;
    font: 12px/31px "Microsoft YaHei";
    color: #3B454C;
    background: #d9edf7;
}

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

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

.wrap-menu ul li a:hover {
    background-color: #ccc;
    background-image: none;
}
.wrap-menu ul li h2:hover {
    background-color: #ccc;
    background-image: none;
}