.headNva > ul:hover .submenus-wrapper {
    display:block;
}
.submenus-wrapper {
    position: absolute;
    left: 0;
    top: 100%;
    width: 1200px;
    min-height: 540px;
    z-index: 9999;
    cursor: initial;
    display: none;
}
    .submenus-wrapper .sm-menus {
        background-color: #135193;
        float: left;
        min-height: 600px;
    }
.submenus-wrapper .sm-menu {
    height:60px;
    line-height:60px;
    color:#fff;
    padding:0 20px;
    min-width:210px;
}
    .submenus-wrapper .sm-menu a {
        color:#fff;
    }
.submenus-wrapper .sm-menu:hover {
    background-color: #118bd8;
}
.submenus-wrapper .sm-menu > span {
    display:inline-block;
    margin-right:15px;
    width:1em;
    height:1em;
    font-weight:bold;
    background-image:url(../images/navright.png);
    background-repeat:no-repeat;
    background-size:contain;
}
    .submenus-wrapper .sm-content {
        float: left;
        background-color: #fff;
        padding: 30px;
        width: 880px;
        height: 100%;
        min-height: 600px;
        border-right:1px solid #eaeaea;
        border-bottom:1px solid #eaeaea;
    }
.submenus-wrapper .sm-list {
    width:90%;
    height:100%;
}
    .submenus-wrapper .sm-list .sm-item {
        float: left;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding-right: 18px;
        margin-right: 20px;
        margin-bottom: 20px;
        color: #999;
    }
    .submenus-wrapper .sm-item a {
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        text-align: left;
        width: 100%;
        color: #666;
        letter-spacing: 1px;
    }
        .submenus-wrapper .sm-item a:hover {
            color: #135193;
        }
    .submenus-wrapper .sm-panel {
        margin-bottom:10px;
    }
        .submenus-wrapper .sm-panel .sm-list {
            border-bottom:1px dashed #efefef;
        }
    .submenus-wrapper .sm-panel .sm-title {
        height: 40px;
        line-height: 40px;
        font-weight:bold;
        font-size:1.2em;
    }
        .clearfix {
            clear: both;
            zoom: 1;
        }
    .clearfix:after {
        display: block;
        content: " ";
        clear: both;
        height: 0;
    }