/* 导航栏做居中处理 */
#nav-right{
    flex:1 1 auto;
    justify-content: flex-end;
    margin-left: auto;
    display: flex;
    flex-wrap:nowrap;
}


/* 去除导航栏选项中底下的蓝条 */
#nav *::after{
    background-color: transparent!important;
}

/* 导航栏菜单鼠标移入字体放大 */
#nav #site-name:hover, 
#nav .menus_item:hover, 
#nav #search-button:hover{
    font-size:28px;
}

#nav .menus_items .menus_item:hover .menus_item_child {
    display: flex;
    right: auto;
    left: -108px !important; /*水平居中用，微调*/
    padding: 6px 4px;
    box-sizing: content-box;
    line-height: 35px;
}