.nav-link1 i {
    display: block;
    width: 30px;
    height: 30px;
    background: url(../img/xia.png) center no-repeat;
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 18px;
    color: #595959;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;}

.nav-link1 .open i.fa-chevron-down {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    transform: rotate(180deg);}

.sidemenu {
    display: none;
    font-size: 14px !important;
    background: #f6f6f6;
    border-top: none;
    padding: 10px 0;}

.sidemenu li {
    background: #f6f6f6;
    font-size: 14px !important;
    border-bottom: none;}

.sidemenu a {
    display: block;
    font-size: 14px !important;
    text-decoration: none;
    padding: 8px 8px;
    padding-left: 40px;
    -webkit-transition: all 0.25s ease;
    -o-transition: all 0.25s ease;
    transition: all 0.25s ease;}

.sidemenu a.on {
    color: #004078;
    background: #fff;
    padding-left: 40px !important;}