.collapse_item {
 
}


.title_clkmlkas {
    width: 95%;
    display: flex;
    justify-content: space-between;
}
.page_box {
    text-align: right;
    margin-top: 20px;
}

.mav_tags {
    display: flex;
    width: 100%;
    margin-bottom: 25px;
}
.mav_tags li {
    float: left;
    margin-right: 15px;
    display: flex;
    justify-content: center;
    font-weight: 400;
    color: #2b3052;
    font-size: 14px;
    padding: 0px 0 10px;
    cursor: pointer;
    position: relative;
}

.mav_tags .navIndexcls {
    font-weight: 900; 
    color: #ff6300;
    transition: ease 0.3s;
}


.mav_tags .navIndexcls::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 3px;
    bottom: 0;
    background-color: #ff6300;
}