nav.m_nav { position: fixed; top: 0; left: 0; z-index: -1; overflow: hidden; overflow-y: scroll; transform: translateY(115%); width: 100vw; height: calc(100vh - 5.0rem); border-bottom: 1px solid #ffffff; 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: #ffffff; z-index: 9991; transform: translateY(0); }
.menu-btn { cursor: pointer; z-index: 99992; color: var(--grey1); transition: .36s all; }

.nav-open .menu-btn { background: none; top: 0.6875rem; right: 0.5625rem; position: fixed; }
.menu-btn .line { padding: 0; width: 1.875rem; background: #ffffff; height: 1px; margin: 0.375rem 0.3125rem; transition: all 700ms cubic-bezier(.9,0,.33,1); }
.nav-open .menu-btn .line { background: var(--grey1); }
.boxshow .line { background: #ffffff; }
.menu-btn .line.line--1 { width: 1.5625rem; transform: rotate(0) translateY(0); margin-left: auto; }
.menu-btn .line.line--1.line-cross { width: 1.875rem; transform: rotate(45deg) translateY(0.125rem) translateX(0.25rem); background-color: #000000; }
.menu-btn .line.line--2 { width: 0.9375rem; transform: translateX(0); }
.menu-btn .line.line--2.line-fade-out { width: 1.5625rem; transform: translate(1.875rem); opacity: 0; }
.menu-btn .line.line--3 { width: 1.5625rem; transform: rotate(0) translateY(0); }
.menu-btn .line.line--3.line-cross { width: 1.875rem; transform: rotate(-45deg) translateY(-0.4375rem) translateX(0.4375rem); background-color: #000000; }

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 .navtop { width: 100%; padding: 0 0.625rem; }
nav.m_nav .nav-links.fade-in { opacity: 1; transform: translateY(0); }

nav.m_nav .nav-links .logo_name { display: block; text-align: center; margin: 0 -0.625rem; line-height: 5rem; font-size: 1.5rem; font-weight: bold; background-color: #efefef; color: var(--grey1); }

@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 .hedear_slogan p: nth-child(1) { font-size: 0.875rem; }
nav.m_nav .hedear_slogan p: nth-child(2) { font-size: 0.875rem; }

nav.m_nav .navsub { display: none; font-size: 1.125rem; }
nav.m_nav .nav-item { cursor: pointer; }
nav.m_nav .nav-item .link { width: 100%; font-size: 1.25rem; border-bottom: 1px solid #eee; padding: 1.0625rem 1.25rem; display: flex; align-items: center; justify-content: space-between; }
nav.m_nav .nav-item .link.active { background-color: var(--base_color); color: #ffffff; }
nav.m_nav .nav-item .link.active>a { color: #ffffff; }

nav.m_nav .nav-item div.link:after { content: '\e7e7'; font-family: 'iconfont2022'; }
nav.m_nav .nav-item: first-child .link { font-weight: bold; border-bottom: none; margin-bottom: 1.25rem; }
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.active .link { background-color: #efefef; }
nav.m_nav .nav-item.active .navsub { background-color: #fafafa; }

nav.m_nav .nav-item:hover .link, .nav-item.active .link { color: #ffffff !important; background: var(--base_color) !important; }
nav.m_nav .nav-item:hover .link a,.nav-item.active .link a {color: #ffffff; background: var(--base_color); }
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: fadeIn 0.5s; width: 100%; padding: 1.0625rem 0; }
nav.m_nav .nav-subitem { overflow: hidden; padding: 0 1.875rem; color: #444444; border-bottom: 1px solid rgba(0,0,0,.1); 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, nav.m_nav .nav-subitem a.active { color: var(--base_color); }

nav.m_nav .navbottom { color: #ffffff; background: var(--base_color); border-top: 1px solid var(--base_color); position: relative; margin-top: 0.625rem; padding: 0.625rem 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: flex; justify-content: center; align-items: center; padding: 0.625rem 0.625rem; font-size: 1.75rem; border-bottom: 1px solid rgba(0,0,0, 0.3); color: #ffffff; }
nav.m_nav .navbottom a:last-child { border-bottom: none; }
nav.m_nav .navbottom { transform: translateY(0); transition: all 1000ms cubic-bezier(.8, 0, .33, 1); }
nav.m_nav .navbottom a i { font-size: 1.75rem !important; margin-right: 1rem; }