/* 头部功能区 */
main .header_func_box {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 50px;
    background: rgba(0, 0, 0, 0.4);
    padding: 0px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow: hidden;
    z-index: 100;

}

main .header_func_box .logo_box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    overflow: hidden;
}

main .header_func_box .logo_box .logo_img {
    width: 30px;
    height: 22px;
}

main .header_func_box .logo_box .logo_name_img {
    width: 40px;
}

main .header_func_box .func_box {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

main .header_func_box .func_box .icon_img {
    width: 20px;
    height: 20px;
    margin-left: 15px;
}