.menu_wyw{
    width: 100%;
    height: 0;
    /* display: none; */
    overflow: hidden;
    position: absolute;
    transition: height 0.5s;
    z-index: 500;
    background-color: #000000;
}
.menu_item_wyw{
    height: auto;
    position: relative;

}
.zhankai{
    position: absolute;
    /* text-align: right; */
    /* text-indent: 2em; */
    top: 0;
    width: 100%;
    height: 1.4267rem;
}
.zhankai span{
    position: absolute;
    top: 0;
    font-size: 0.32rem;
    right: 0.32rem;
    height: 100%;
    line-height: 1.4267rem;
    color: #ffffff;
}
.menu_item_wyw p{
    box-sizing: border-box;
    border-top: 2px solid #34363b;
    line-height: 1.4267rem;
    width: 100%;
    height: 1.4267rem;
    padding-left: 0.5467rem;
    color: #ffffff;
    font-size: 0.4rem;
}
.menu_item_wyw a{
    
}
.m_i_i{
    /* padding-left: 1.44rem; */
    /* box-sizing: border-box; */
    height: 0;
    transition: height 0.5s;
    overflow: hidden;
}
.m_i_i p{
    padding-left:1.9733rem; 
}
.tmc{
    width: 100%;
    height: 100%;
    background-color:transparent;
    /* opacity: 0.5; */
    position: fixed;
    top: 0;
    left: 0;
    z-index: 498;
    display: none;
}
.hiiden{
    display: none!important;
}