/* 主导航 */
.nav_main{
	padding: 0.5rem 0;
	background-color: #000000;
	color: #fff;
}
.nav_main [class^="icon"]{
	display: inline-block;
	font: normal normal normal 14px/1 FontAwesome;
	font-size: inherit;
	text-rendering: auto;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}
.nav_main a:hover{
	color: var(--color_warning);
}
.nav_main .list{
	display: flex;
}
.nav_main .item{
	font-size: 0.75rem;
	position: relative;
	margin: 0 0.5rem;
}
.nav_main .item i{
	margin-left: 0.25rem;
}
.nav_main .item>i:hover{
	cursor: pointer;
	color: var(--color_warning);
}
.nav_main .dropdown{
	font-size: 0.875rem;
	position: absolute;	
	width: 10rem;
	top:-1000px;
	left: 0;
	overflow: hidden;
	background-color: var(--bg_grey);
	color: #000000;
}
.nav_main .item.active .dropdown{
	top: 1.625rem;
}
.nav_main .sub:hover{
	background-color: #666;
}
.nav_main .sub a:hover{
	color: #fff;
}
.nav_main .item_sub{
	padding: 0.25rem 1.25rem;
}
.nav_main .item_sub>i{
	margin-right: 0.5rem;
}
/* 侧边导览 */
/* 模态 */
.nav_side .modal_nav {
	position: fixed;
	width: 100%;
	height: 100%;
	left: -100%;
	top: 0;
}

.nav_side .modal_nav.in {
	left: 0;
}

.nav_side .modal_backdrop {
	width: 100%;
	height: 100%;
	opacity: 0;
	background-color: rgba(0, 0, 0, 0.5);
	transition: opacity ease-in-out 0.2s;
}

.nav_side .in .modal_backdrop {
	opacity: 1;
}

.nav_side .out .modal_backdrop {
	opacity: 0;
}

.nav_side .modal_body {
	position: absolute;
	height: 100%;
	min-width: 12.5rem;
	top: 0;
	left: -100%;
	padding-top: 4rem;
	overflow: auto;
	background-color: #fff;
	transition: left ease-in-out 0.4s;
}

.nav_side .in .modal_body {
	left: 0;
}

.nav_side .out .modal_body {
	left: -100%;
}

/* 折叠 */
.nav_side .sub_list {
	height: 0;
	overflow: hidden;
	transition: height ease-in-out 0.2s;
}

.nav_side .btn_nav {
	display: flex;
	align-items: center;
	padding: 0.625rem 1.25rem;
	background-color: #fff;
}

.nav_side .btn_nav>span {
	margin-left: 0.5rem;
}

.nav_side .btn_nav:active {
	background-color: #ECF5FF;
}

.nav_side .sub_list {
	padding-left: 0.5em;
}

.nav_side i {
	display: inline-block;
	width: 1rem;
	text-align: center;
	font: normal normal normal 14px/1 FontAwesome;
	font-size: inherit;
	text-rendering: auto;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.nav_side .arrow_nav {
	margin-left: auto;
	margin-right: 0;
}

.nav_side .arrow_nav.rotate {
	transform: rotate(180deg);
	transition: transform ease-in-out 0.2s;
}

.nav_side .arrow_nav.rotate_back {
	transform: rotate(0);
	transition: transform ease-in-out 0.2s;
}

.nav_side .arrow_nav::before {
	content: "\f107";
}

/* 顶部导航 */

/* 底部导航 */
.nav_bottom .list{
	text-align: center;
}
.nav_bottom .item{
	display: inline-block;
}
.nav_bottom .list>.item:not(:nth-last-child(-n+1))::after{
	margin: 0 0.5rem;
	content:"|";
	color: #999;
}
.nav_bottom a:hover{
	color: var(--color_red);
}

/* 快捷导航 */
.nav_quick {
	position: relative;
	text-align: center;
}

.nav_quick .dropdown {
	position: absolute;
	z-index:300;
	top: -4rem;
	left: 50%;
	transform: translate(-50%) scale(0);
	width: 18rem;
	padding: 0.75rem;
	border: 1px solid;
	border-color: var(--color_border);
	border-radius: 0.5rem;
	box-shadow: 0px 2px 10px var(--color_shadow);
	background-color: #fff;
}

/* 箭头 */
.nav_quick .dropdown::before {
	content: "";
	display: inline-block;
	position: absolute;
	top: -10.25px;
	left: 50%;
	width: 0.75rem;
	height: 0.75rem;
	border: 1px solid;
	border-color: var(--color_border) var(--color_border) transparent transparent;
	background-color: #fff;
	transform: rotate(-45deg) translate(-50%);
}

.nav_quick .dropdown.show_drop {
	animation: show_drop 0.2s linear forwards;
}

@keyframes show_drop {
	0% {
		top: 0;
		transform: translate(-50%) scale(0);
	}

	85% {
		top: 2rem;
		transform: translate(-50%) scale(1.05);
	}

	100% {
		top: 2rem;
		transform: translate(-50%) scale(1);
	}
}

.nav_quick .item>.title {
	font-size: 0.875rem;
	font-weight: bold;
	text-align: left;
}

.nav_quick .list_sub {
	display: flex;
	margin: 0 -0.25rem;
}

.nav_quick .item_sub {
	flex: 0 0 25%;
	padding: 0.25rem;
}
.nav_quick .item_sub>.title {
	display: block;
	font-size: 0.75rem;
	padding: 0.125rem 0;
	text-align: center;
	border-radius: 0.25rem;
	background-color: var(--bg_grey);
}
/* 靠左样式 */
.nav_quick.display_left .dropdown{
	left: 1rem;
	transform: scale(0);
}

.nav_quick.display_left .dropdown::before{
	left: 1rem;
	transform: rotate(-45deg) translate(-50%);
}
.nav_quick.display_left .dropdown.show_drop {
	animation: show_drop_2 0.2s linear forwards;
}
@keyframes show_drop_2 {
	0% {
		top: 0;
		transform: scale(0);
	}

	85% {
		top: 2rem;
		transform: scale(1.05);
	}

	100% {
		top: 2rem;
		transform: scale(1);
	}
}
/* 靠右样式 */
.nav_quick.display_right .dropdown{
	left: initial;
	right: 1rem;
	transform: scale(0);
}

.nav_quick.display_right .dropdown::before{
	left: initial;
	right: 1rem;
	transform: rotate(-45deg) translate(-50%);
}
.nav_quick.display_right .dropdown.show_drop {
	animation: show_drop_2 0.2s linear forwards;
}

/* 用户导航 */
.nav_user .login{
	text-align: center;
}
.nav_user .login>a>span{
	margin:0 0.5rem;
}
.nav_user .login>a:hover{
	color: #fca216;
}
.nav_user .user{
	position: relative;
	text-align: center;
}
.nav_user .username{
	background-color: #000;
	color: #fca216;
}
.nav_user .icon{
	display: inline-block;
	font: normal normal normal 14px/1 FontAwesome;
	font-size: inherit;
	text-rendering: auto;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	color: #999;
	margin-left: 0.5rem;
}
.nav_user .icon::before{
	content: "\f0d7";
}
.nav_user .item.active .icon::before{
	content: "\f0d8";
}
.nav_user .dropdown{
	position: absolute;
	top: -1000px;
	left: 0;
	width: 100%;
	background-color: #6a737d;
	color: #fff;
}
.nav_user .active .dropdown{
	top: 1.5rem;
}
.nav_user .title:hover{
	background-color: #999;
	color: #fcca16;
}