.content-nav {
    position: relative;
    font-size: 15px;
    z-index: 100;
}
.content-nav li {
    position: relative;
    z-index: 0;
}
.content-nav li:hover,
.content-nav li.active {
    z-index: 1;
}
.content-nav > li {
    width: 20%;
    padding: 0 1px;
}
.content-nav li a {
    margin-bottom: 2px;
}
.content-nav > li > a {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    color: #fff;
    position: relative;
    padding: 8px 10px 8px 36px;
    line-height: 24px;
    background-color: #FF732F;
}
.content-nav > li > a:hover {
    text-decoration: underline;
}
.content-nav > li > a:before {
    content: " ";
    background: url(../images/side_accodion.png) no-repeat;
    display: inline-block;
    vertical-align: text-bottom;
    width: 30px;
    height: 30px;
    position: absolute;
    left: 0;
    top: 4px;
}
.content-nav > li.active > a:before {
    background-position: 0 100%;
}
.content-nav ul {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    padding: 0 1px;
}
.content-nav ul li a {
    background: #fff;
    color: #FF722E;
    border: 1px solid #FF722E;
    padding: 8px 10px 8px 36px;
}
.content-nav ul li a:hover,
.content-nav ul li.active > a {
    background-color: #FFF5D9;
}

@media screen and (max-width: 1400px) {
    .content-nav > li {
        width: 25%;
    }
}
@media screen and (max-width: 1280px) {
    .content-nav > li {
        width: 33.33%;
    }
}
@media screen and (max-width: 1024px) {
    .content-nav > li {
        width: 50%;
    }
}
@media screen and (max-width: 767px) {
    .content-nav > li {
        float: none;
        width: auto;
        padding: 0;
    }
    .content-nav ul {
        position: static;
    }
    .content-nav > li.can-link > .toggle-submenu {
        cursor: pointer;
        display: block;
        position: absolute;
        left: 0;
        top: 0;
        width: 32px;
        height: 40px;
        z-index: 2;
    }
}