nav.m_nav {
    position: fixed;
    top: 50px;
    left: 0;
    z-index: -1;
    overflow: hidden;
    overflow-y:scroll;
    transform: translateY(110%);
    width: 100%;
    height: calc(100vh - 50px);
    transition: all 600ms cubic-bezier(.8, 0, .33, 1);
    /*border-radius: 0 0 50% 50%;*/
}
nav.m_nav::-webkit-scrollbar {width:0px;background:rgba(255,255,255,.3);}

nav.m_nav.nav-open {
    
    z-index: 9991;
    transform: translateY(0);
    /*border-radius: 0% 0% 0% 0%;*/
    /*background: rgba(0, 0, 0, .8);*/
    background: #fff;
}

.menu-btn {
    top: 2px;
    right: 5px;
    position: fixed;
    cursor: pointer;
    z-index: 99992;
    color: #fff;
    transition:.36s all;
}

.menu-btn .line {
    padding: 0;
    width: 30px;
    background: #fff;
    height: 2px;
    margin: 6px 5px;
    transition: all 700ms cubic-bezier(.9, 0, .33, 1);
}

.menu-btn .line.line--1 {
    width: 20px;
    transform: rotate(0) translateY(0);
    margin-left: auto;
}

.menu-btn .line.line--1.line-cross {
    width: 30px;
    transform: rotate(45deg) translateY(2px) translateX(4px);
    /*background: rgba(255, 255, 255, 1);*/
}

.menu-btn .line.line--2 {
    width: 25px;
    margin-left: auto;
    transform: translateX(0);
}

.menu-btn .line.line--2.line-fade-out {
    width: 25px;
    transform: translate(30px);
    opacity: 0;
}

.menu-btn .line.line--3 {
    width: 30px;
    margin-left: auto;
    transform: rotate(0) translateY(0);
}

.menu-btn .line.line--3.line-cross {
    width: 30px;
    transform: rotate(-45deg) translateY(-8px) translateX(8px);
    /*background: rgba(255, 255, 255, 1);*/
}

nav.m_nav .nav-links {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    /*display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;*/
    transform: translateY(0);
    opacity: 0;
    /*transition: all 900ms cubic-bezier(.9, 0, .33, 1);*/

    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

nav.m_nav .nav-links ul {
    width: 100%;margin-top: 15px;margin-bottom:0;
}

nav.m_nav .nav-links.fade-in {
    opacity: 1;
    transform: translateY(0);
}

nav.m_nav .nav-links .link {
    border-bottom: 1px solid rgba(0,0,0,.1);/*rgba(196, 44, 57, 0.3)*/;
    width: 85%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
    padding: 17px 10px;
    color: #333;
    /*font-weight: bold;*/
    font-size: 1.2rem;
    display:flex;align-items: center;justify-content: space-between;
    /*transition: all 300ms cubic-bezier(.9, 0, .33, 1);*/
}
nav.m_nav .nav-links .nav-item:last-child .link {border-bottom:none;}

nav.m_nav .nav-links .links:after {
    content:'\ebef';
    font-family: 'iconfont';
    transition:.2s all linear;
}

.m_nav_tel,
.m_nav_tel a {
    font-size: 1.3rem;
    color: #fff;
}
nav.m_nav .nav-links .link:hover {
    background: rgba(255, 255, 255, 0.5);
}
.navbottom {background:#c42c39;position:relative;margin-top:15px;padding:20px 0;transform:translateY(100%);}
nav.nav-open .navbottom {transform:translateY(0);transition: all 1000ms cubic-bezier(.8, 0, .33, 1);}
.navbottom:after {content:'';position:absolute;z-index:9;right:0;top:0;bottom:0;width:0;height:0;
border-bottom:20px solid #c42c39;border-left:100vw solid transparent;transform:translateY(-100%);}
.navbottom a {display:block;margin:0 auto;color:#fff;padding: 17px 10px;font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);width: 85%;position:relative;}
.navbottom a:last-child {border-bottom:none;}

.nav-sub {display:none;transition:.2s all linear;}
.nav-subitem {display: block;border-bottom: 1px solid rgba(0,0,0,.1);width: 85%;max-width: 400px;margin: 0 auto;padding: 17px 10px 17px 30px;color: #333;font-size: 1rem;display: flex;align-items: center;justify-content: space-between;}

.nav-item.active .link:after {color:#c42c39;transform: rotate(90deg);transition:.2s all linear;}
.nav-item.active .link {border-bottom: 1px solid rgba(0,0,0,.5)!important;}
.nav-item.active .link>a {color:#c42c39;font-weight:bold;transition:.2s all linear;}
.nav-item.active .nav-sub {display:block;transition:.2s all linear;}