/*首页导航*/
.home_top {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    font-size: 0;
    height: 1rem;
    background-color: rgba(248, 249, 250, .5);
    z-index: 1;
}

.home_top .logo_div {
    height: 1rem;
    color: #fff;
    width: 2.38rem;
    min-width: 150px;
    position: relative;
    margin-left: 0.3rem;
    display: inline-block;
}

.home_top .nav_right {
    float: right;
    height: 1rem;
    font-size: 0;
}

.home_top .nav_item {
    color: #fff;
    font-family: Microsoft YaHei;
    word-break: break-all;
    margin: 0 0.5em;
    height: 1rem;
    line-height: 1rem;
    display: inline-block;
    font-size: .4rem;
    cursor: pointer;
}

.home_top .nav_item:first-child {
    margin: 0 auto;
}

.home_top .search {
    margin: 0.16rem 0;
    vertical-align: top;
    display: inline-block;
    color: #071b2f;
    font-family: Helvetica, 宋体;
    background-image: url(/v3/img/icon_search.png);
    background-size: 0.4824rem 0.4824rem;
    background-repeat: no-repeat;
    background-position: 0;
    padding: 0 0.026rem 0 0.4824rem;
    width: 5rem;
    height: 0.68rem;
    font-size: 0.268rem;
    cursor: text;
    background-color: hsla(0, 0%, 100%, .8);
    border-radius: 4px;
    box-sizing: border-box;
}

.home_top .hover_show_qr {
    position: relative;
}

/*.home_top .search_ul {*/
/*    display: none;*/
/*    position: absolute;*/
/*    background: #fff;*/
/*    border-radius: 0 0 5px 5px;*/
/*    !*min-width: 100%;*!*/
/*    width: max-content;*/
/*    padding-right: 1em;*/
/*    writing-mode: initial;*/
/*    letter-spacing: initial;*/
/*    top: 100%*/
/*}*/


.course_top .user_center:hover .course_logout_btn,
.home_top .user_center:hover .home_logout_btn {
    display: block;
}