nav.m_nav
{
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
    overflow-y: scroll;
    transform: translateY(115%);
    width: 100vw;
    height: 100vh;
    transition: all 600ms cubic-bezier(.8,0,.33,1);
}
nav.m_nav::-webkit-scrollbar
{
    width: 0;
    background: rgba(255,255,255,.3);
}
nav.m_nav.nav-open
{
    background: #fff;
    z-index: 9991;
    transform: translateY(0);
}
.menu-btn
{
    cursor: pointer;
    z-index: 99992;
    color: #444;
    transition: .36s all;
}
.nav-open .menu-btn
{
    background: none;
    top: 6px;
    right: 15px;
    position: fixed;
}
.menu-btn .line
{
    padding: 0;
    width: 30px;
    background: #fff;
    height: 1px;
    margin: 6px 5px;
    transition: all 700ms cubic-bezier(.9,0,.33,1);
}
.nav-open .menu-btn .line
{
    background: #174f98;
}
.menu-btn .line.line--1
{
    width: 25px;
    transform: rotate(0) translateY(0);
    margin-left: auto;
}
.menu-btn .line.line--1.line-cross
{
    width: 30px;
    transform: rotate(45deg) translateY(2px) translateX(4px);
}
.menu-btn .line.line--2
{
    width: 15px;
    transform: translateX(0);
}
.menu-btn .line.line--2.line-fade-out
{
    width: 25px;
    transform: translate(30px);
    opacity: 0;
}
.menu-btn .line.line--3
{
    width: 25px;
    transform: rotate(0) translateY(0);
}
.menu-btn .line.line--3.line-cross
{
    width: 30px;
    transform: rotate(-45deg) translateY(-7px) translateX(7px);
}
nav.m_nav .nav-links
{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    transform: translateY(0);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
nav.m_nav .nav-links ul
{
    width: 100%;
    margin-top: 5vh;
}
nav.m_nav .nav-links.fade-in
{
    opacity: 1;
    transform: translateY(0);
}
@media(min-width: 992px)
{
    a.menu-btn, .nav-open a.menu-btn
    {
        background: none;
        color: unset;
        position: relative;
    }
    .nav-open .menu-btn
    {
        display: block!important;
    }
}
nav.m_nav .navsub
{
    display: none;
}
nav.m_nav .nav-item
{
    cursor: pointer;
}
nav.m_nav .nav-item .link
{
    width: 85%;
    max-width: 400px;
    font-size: 16px;
    border-bottom: 1px solid #eee;
    margin: 0 auto;
    padding: 17px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
nav.m_nav .nav-item div.link:after
{
    content: '';
    font-family: 'iconfont';
}
nav.m_nav .nav-item:first-child .link
{
    font-weight: bold;
    border-bottom: none;
    margin-bottom: 20px;
}
nav.m_nav .nav-item:first-child:hover .link
{
    background: none;
}
nav.m_nav .nav-item:last-child .link
{
    border-bottom: none;
}
nav.m_nav .nav-item:hover .link, .nav-item.active .link
{
    color: #fff;
    background: #174f98;
}
nav.m_nav .nav-item:hover .link a, .nav-item.active .link a
{
    color: #fff;
}
nav.m_nav .nav-item.active .link:after
{
    transform: rotate(135deg);
    transition: .2s all linear;
}
nav.m_nav .nav-item.active .link a
{
    font-weight: bold;
}
nav.m_nav .nav-item.active .navsub
{
    display: block;
}
nav.m_nav .nav-item.active .navsub a
{
    animation: flipInX 1.5s;
    width: 100%;
    padding: 17px 10px 17px 30px;
}
nav.m_nav .nav-subitem
{
    color: #444;
    border-bottom: 1px solid rgba(0,0,0,.1);
    width: 85%;
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
nav.m_nav .nav-subitem a
{
    display: block;
}
nav.m_nav .nav-subitem a.active, nav.m_nav .nav-subitem a:hover
{
    color: #174f98;
}
nav.m_nav .navbottom
{
    color: #fff;
    background: #174f98;
    border-top: 1px solid #174f98;
    position: relative;
    margin-top: 20px;
    padding: 20px 0;
    transform: translateY(100%);
}
nav.m_nav .navbottom:after
{
    content: '';
    position: absolute;
    z-index: 9;
    right: 0;
    top: 0;
    bottom: 0;
    width: 0;
    height: 0;
    transform: translateY(-100%);
}
nav.m_nav .navbottom a
{
    display: block;
    margin: 0 auto;
    padding: 17px 10px;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(0,0,0,.3);
    width: 85%;
    position: relative;
}
nav.m_nav .navbottom a:last-child
{
    border-bottom: none;
}
.nav-open nav.m_nav .navbottom
{
    transform: translateY(0);
    transition: all 1000ms cubic-bezier(.8,0,.33,1);
}