html body {
	padding-top: 88px;
}

@media (max-width: 640px) {
	html body {
		padding-top: 72px;
	}
}

.header {
	transition: background .5s
}

.header {
	padding: 8px 20px;
	background: var(--blur-bg);
	/* margin-bottom: 5.5px; */
	transition: .3s
}

.header a:not(.but),
.header svg {
	color: var(--main-color)
}

.header .sub-menu {
	background: var(--main-bg-color);
	text-shadow: none
}

body:not(.nav-fixed) .header.show-slide {
	margin-bottom: 0
}

.header form {
	text-align: center
}

.header-slider-search {
	max-width: 840px;
	margin: auto;
	padding: 0 20px;
	font-size: 17px;
	top: calc(50% - 10px);
	z-index: 2
}

.card-0 .header-slider-search {
	top: calc(50% + 20px)
}

.header-slider-search .search-input {
	max-width: 800px
}

.header-slider-search-more {
	color: #fff
}

.header-slider-search-more.before {
	margin-bottom: 1.8em
}

.header-slider-search .search-type-but-average {
	margin-bottom: 2em
}

.header-slider-search .search-type-but-average .but,
.header-slider-search .search_keywords {
	--this-bg: rgba(255, 255, 255, 0.8);
	--this-color: #888
}

.filter-blur .header-slider-search .search-type-but-average .but,
.filter-blur .header-slider-search .search_keywords {
	-webkit-backdrop-filter: saturate(5) blur(20px);
	backdrop-filter: saturate(5) blur(20px)
}

.header-slider-search .search-type-but-average .but.active {
	--this-bg: var(--theme);
	--this-color: #fff
}

.header-slider-search .line-form {
	background: rgba(255, 255, 255, .8);
	border-radius: 100px;
	padding: .5em 1.2em;
	z-index: 1;
	color: #555
}

.header-slider-search .line-form .dropdown>a,
.header-slider-search .line-form .dropdown>a a,
.header-slider-search .line-form .icon {
	color: #555
}

.header-slider-search .search-input-text {
	position: relative;
	padding: 5px 10px
}

.header-slider-search .line-form-input {
	padding: 0
}

.header-slider-search .search-input-text .line-form-line,
.header-slider-search .search-keywords>p {
	display: none
}

.header-slider-search .search-keywords {
	text-align: center
}

.header-slider-search .search_keywords {
	padding: 3px 5px;
	font-size: .85em
}

.header-slider-search .line-form .abs-right {
	margin-top: 0;
	margin-right: -6px
}

.header-slider-card {
	margin-top: -40px;
	z-index: 1
}

.header-slider-card .zib-widget {
	margin-bottom: 0
}

.filter-blur .header-slider-card .zib-widget,
.filter-blur .header-slider-search .line-form {
	-webkit-backdrop-filter: saturate(5) blur(20px);
	backdrop-filter: saturate(5) blur(20px)
}

.filter-blur .header-slider-card .zib-widget {
	background: var(--blur-bg)
}

.header {
	/* position: fixed; */
	/* z-index: 999; */
	width: 100%;
	/* top: 0; */
}

.header-user-href>a {
	display: inline-block;
	padding: 10px 10px 0 10px
}

.header-user-href>a:hover {
	opacity: .7
}

.header-user-href>a div+div {
	font-size: 12px
}

.header-user-href .toggle-radius {
	width: 36px;
	height: 36px
}

.author-header .header-content {
	padding: 18px 42px
}

.author-header .header-info>.header-avatar {
	margin-top: -80px;
	margin-right: 20px
}

.navbar {
	position: relative;
	min-height: 50px;
	margin-bottom: 20px;
	border: 1px solid transparent;
}

.navbar-top {
	margin: 0;
	border-radius: 0 !important;
	font-size: 15px;
}

.container-fluid {
	padding-right: 15px;
	padding-left: 15px;
	margin-right: auto;
	margin-left: auto;
}

.container-footer,
.container-header {
	max-width: 1380px;
	max-width: calc(var(--mian-max-width) + 180px);
}

@media (min-width: 992px) {

	.container-footer,
	.container-header {
		padding-right: 0;
		padding-left: 0;
	}
}

.container-fluid>.navbar-collapse,
.container-fluid>.navbar-header,
.container>.navbar-collapse,
.container>.navbar-header {
	margin-right: -15px;
	margin-left: -15px;
}

.navbar-brand {
	float: left;
	height: 50px;
	padding: 15px 15px;
	font-size: 18px;
	line-height: 20px;
}

.navbar-top .navbar-brand {
	padding: 7px 10px;
}

.navbar-logo {
	display: block;
}

.navbar-logo>img {
	height: 36px;
	padding: 0 30px;
}

.collapse {
	display: none;
}

.navbar-collapse {
	padding-right: 15px;
	padding-left: 15px;
	overflow-x: visible;
	border-top: 1px solid transparent;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1);
	-webkit-overflow-scrolling: touch;
}

.container-fluid>.navbar-collapse,
.container-fluid>.navbar-header,
.container>.navbar-collapse,
.container>.navbar-header {
	margin-right: -15px;
	margin-left: -15px;
}

.nav {
	padding-left: 0;
	margin-bottom: 0;
	list-style: none;
}

.navbar-nav {
	margin: 7.5px -15px;
}

.navbar-top .navbar-nav {
	margin-left: 20px;
	margin-right: 20px;
}

.nav>li {
	position: relative;
	display: block;
}

.navbar-nav li,
.navbar-nav li a {
	max-height: 50px;
	position: relative;
	transition: unset;
}

.but:focus,
.but:hover,
.navbar-nav>li:before,
.progress {
	transition: .3s;
}

.navbar-nav>li:before {
	content: ' ';
	position: absolute;
	width: 100%;
	top: -10px;
	background: var(--theme);
	height: 5px;
	border-radius: 0 0 15px 15px;
	opacity: 0;
}

.navbar-top li.current-menu-item:before,
.navbar-top li.current-menu-item>a:before,
.navbar-top li:hover:before,
.navbar-top li:hover>a:before {
	opacity: 1;
}

.current-menu-item>a,
.navbar-top .nav li a:focus,
.navbar-top .nav li a:hover {
	background-color: transparent;
	color: var(--theme);
}

.nav>li>a {
	position: relative;
	display: block;
	padding: 10px 15px;
}

.navbar-nav>li>a {
	padding-top: 10px;
	padding-bottom: 10px;
	line-height: 20px;
}


.navbar-top .nav>li>a {
	padding-left: 10px;
	padding-right: 10px;
	border-radius: 4px;
	display: inline-block !important;
	overflow: hidden;
}

.navbar-top li.current-menu-item>a,
.navbar-top li:hover>a {
	color: var(--theme);
}

.navbar-form {
	padding: 10px 15px;
	margin-right: -15px;
	margin-left: -15px;
	border-top: 1px solid transparent;
	border-bottom: 1px solid transparent;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 1px 0 rgba(255, 255, 255, .1);
	margin-top: 8px;
	margin-bottom: 8px;
}

.hover-show {
	position: relative;
	cursor: pointer;
	z-index: 10;
}

.navbar-form {
	box-shadow: none;
}

.header form {
	text-align: center;
}

.navbar-form .form-control {
	display: block;
	width: 100%;
	height: 34px;
	padding: 6px 12px;
	font-size: 14px;
	line-height: 1.42857143;
	color: #555;
	background-color: #fff;
	background-image: none;
	border: 1px solid #ccc;
	border-radius: 4px;
	box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
	transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}

.navbar-form .form-control:focus {
	border-color: #66afe9;
	outline: 0;
	box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .6)
}

.navbar-form .form-control::-moz-placeholder {
	color: #999;
	opacity: 1
}

.navbar-form .form-control:-ms-input-placeholder {
	color: #999
}

.navbar-form .form-control::-webkit-input-placeholder {
	color: #999
}

.navbar-form .form-control::-ms-expand {
	background-color: transparent;
	border: 0
}

.navbar-form .form-control {
	border-color: transparent;
	background: var(--body-bg-color);
	color: var(--main-color);
	box-shadow: none;
	transition: border-color ease-in-out .15s, background ease-in-out .15s, box-shadow ease-in-out .15s, opacity ease-in-out .3s;
}

.navbar-form .form-control:hover {
	border-color: var(--theme);
	opacity: .8;
}

.navbar-form .form-control:focus {
	border-color: var(--theme);
	/* 原来这里有一圈 3px 的蓝色光晕（rgba(64,158,255,.4)），全站只有它用蓝色，
	   跟品牌青绿不搭，看着像按钮在发光。聚焦只留 1px 描边变色。 */
	box-shadow: none;
}

.search-input {
	max-width: 600px;
	margin: auto;
}

.navbar-collapse .search-input {
	background: var(--main-shadow);
	font-size: 14px;
	border-radius: 4px;
}

.search-input {
	max-width: 600px;
	margin: auto;
}

.search-keywords {
	padding: 10px;
}

.search-keywords>div>a {
	max-width: 420px;
}

.navbar-right~.navbar-right {
	padding-right: 5px;
}


.navbar-top .newadd-btns {
	opacity: 1 !important;
}

.navbar-top .navbar-but .but {
	font-size: .8em;
	padding: .3em 1em !important;
	margin: .4em;
}

.navbar-top .fa {
	transition: .2s;
}

.navbar-nav li:hover>a .fa-angle-down {
	transform: rotate(-90deg);
}

.toggle-theme {
	overflow: hidden;
}

.toggle-radius {
	background: var(--this-bg);
	width: 29px;
	height: 29px;
	display: inline-block;
	text-align: center;
	border-radius: 100%;
	position: relative;
	vertical-align: text-top;
	--this-bg: var(--main-border-color);
}

.msg-news-icon .toggle-radius {
	margin: 0 !important;
}

.list-inline {
	padding-left: 0;
	list-style: none;
	margin-left: 0px;
}

.navbar-avatar {
	margin-top: 3px;
	display: block;
	width: 29px;
	height: 29px;
}

.navbar-top .sub-menu,
.theme-popover {
	visibility: hidden;
	position: absolute;
	min-width: 120px;
	background-color: var(--main-bg-color);
	padding: 10px 5px;
	z-index: 99;
	border-radius: var(--main-radius);
	box-shadow: 0 0 10px rgba(0, 0, 0, .1);
}

.navbar-top li:hover>.sub-menu {
	visibility: unset;
}

.ic-close,
.match-ok,
.navbar-top .sub-menu li>a {
	transition: .3s;
}

.navbar-top .sub-menu li>a {
	white-space: nowrap;
	display: block;
	padding: 5px 15px;
}

.navbar-top .sub-menu li>a:hover {
	transform: translateX(5px);
}

.navbar-top .navbar-right .sub-menu {
	right: 0;
}

.sub-user-box {
	width: 242px;
	word-break: break-word;
	white-space: normal;
}

.sub-user-box .author-tag>* {
	max-height: 41px;
	overflow: hidden;
	flex: auto;
}

.header-user-href>a {
	display: inline-block;
	padding: 10px 10px 0 10px;
}

.header-user-href .toggle-radius {
	width: 36px;
	height: 36px;
}

.sub-user-box .msg-news-icon {
	top: .4em;
	right: 0;
}

.fa-toggle-theme::after,
.fa-toggle-theme::before {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	height: 1em;
	transition: .4s;
}

.fa-toggle-theme::after {
	content: '\f186';
}

.fa-toggle-theme::before {
	content: '\f185';
	transform: translateX(2em);
}

.dark-theme .fa-toggle-theme::before {
	transform: unset;
}

.dark-theme .fa-toggle-theme::after {
	transform: translateX(-2em);
}

.navbar-text {
	margin-top: 15px;
	/* margin-bottom: 15px; */
}

.navbar-top .navbar-right {
	padding-right: 0;
}

.navbar-right~.navbar-right {
	padding-right: 5px;
}

@media (min-width: 768px) {
	.navbar {
		border-radius: 4px;
	}

	.navbar-header {
		float: left;
	}

	.navbar>.container .navbar-brand,
	.navbar>.container-fluid .navbar-brand {
		margin-left: -15px;
	}

	.navbar-collapse {
		width: auto;
		border-top: 0;
		box-shadow: none;
	}

	.navbar-collapse.collapse {
		display: block !important;
		height: auto !important;
		padding-bottom: 0;
		overflow: visible !important;
	}

	.container-fluid>.navbar-collapse,
	.container-fluid>.navbar-header,
	.container>.navbar-collapse,
	.container>.navbar-header {
		margin-right: 0;
		margin-left: 0;
	}

	.navbar-nav {
		float: left;
		margin: 0;
	}

	.navbar-nav>li {
		float: left;
	}

	.navbar-nav>li>a {
		padding-top: 15px;
		padding-bottom: 15px;
	}

	.navbar-form {
		width: auto;
		padding-top: 0;
		padding-bottom: 0;
		margin-right: 0;
		margin-left: 0;
		border: 0;
		box-shadow: none;
	}

	.navbar-left {
		float: left !important;
	}

	.navbar-form .form-group {
		display: inline-block;
		margin-bottom: 0;
		vertical-align: middle;
	}

	.navbar-form .form-control {
		display: inline-block;
		width: auto;
		vertical-align: middle;
	}

	.navbar-text {
		float: left;
		margin-right: 15px;
		margin-left: 15px;
	}

	.navbar-toggle {
		display: none !important;
	}

	.navbar-right {
		float: right !important;
		margin-right: -15px;
	}

	.navbar-right~.navbar-right {
		margin-right: 0;
	}
}

@media (max-width: 996px) {
	.nav.navbar-nav {
		position: absolute;
		top: 0;
		background: var(--blur-bg);
		box-shadow: 0 4px 10px var(--main-shadow);
		left: 0;
		right: 0;
		padding: 0 20px;
		margin: 0;
		border-radius: var(--main-radius);
		transition: .3s;
		opacity: 0;
		transform: translateY(40px);
		visibility: hidden;
	}

	.nav.navbar-nav.show {
		opacity: 1;
		z-index: 998;
		visibility: unset;
		transform: translateY(68px);
	}

	.show-nav-but.hide {
		display: unset !important;
	}

	.navbar-nav>li:before {
		top: 0;
	}
}

@media (max-width: 787px) {
	.navbar-right:nth-child(5) {
		display: none;
	}
}

.navbar-toggle {
	position: relative;
	float: right;
	padding: 9px 10px;
	margin-right: 15px;
	margin-top: 8px;
	margin-bottom: 8px;
	background-color: transparent;
	background-image: none;
	border: 1px solid transparent;
	border-radius: 4px;
}

/* .i-menu::after,
.i-menu::before,
.i-menu>i {
	content: '';
	position: absolute;
	width: 1em;
	height: 2px;
	background: var(--main-color);
	left: 0;
	right: 0;
	transition: .4s;
	border-radius: 2px;
	bottom: .45em;
}

.i-menu::after {
	bottom: .1em;
}

.i-menu::before {
	bottom: .8em;
	right: .2em;
	width: .8em;
}

.i-menu>i {
	right: .1em;
	width: .9em;
} */

@media (max-width: 768px) {

	.mini-scrollbar::-webkit-scrollbar,
	.navbar-collapse.collapse {
		display: none;
	}

	.navbar-top.center .navbar-brand {
		position: absolute;
		width: 100%;
		text-align: center;
		display: flex;
		justify-content: center;
	}

	html .navbar-logo>img {
		padding: 0;
	}

	.navbar-toggle {
		display: unset;
	}

	.navbar-toggle {
		margin-left: 0;
		margin-right: 0;
		margin-top: 6px;
		opacity: .7;
		height: 36px;
	}

	.navbar-top.center .navbar-brand+.navbar-toggle {
		float: left;
	}

	.header {
		position: relative;
		z-index: 999;
	}
}

@media (max-width: 640px) {
	.header {
		padding: 0 8px;
	}
}


/* ===== 源码湾：顶部导航 ===== */

/* 1) 当前项 / 悬停指示
   主题原来是一条 5px 高的青色小条：`top:-10px` 绝对定位 + 下缘圆角。
   导航项本身从 y=9 开始，-10px 正好落到页面顶边之外，整条被浏览器裁掉
   大半 —— 屏幕上只剩一道残缺的青边挂在最上面。
   改成导航项底部的一条细线：位置在项内，不会被裁，也确实像"当前栏目"的标记。 */
.navbar-top .nav>li:before,
.navbar-top .ymw-mega>a::before {
	display: none;
}

/* 线挂在 <a> 上，不能挂在 <li> 上：
   <li> 一旦 position:relative，大下拉面板的定位祖先就从 .header 变回这个 li，
   面板会缩成一条窄条（踩过一次）。<a> 本身就是 relative，正好用。 */
.navbar-top .navbar-nav>li>a::after {
	content: '';
	position: absolute;
	left: 10px;
	right: 10px;
	/* 文字盒在 25~42，这行落在 47~49 —— 离字底 5px，才像下划线。
	   写 bottom:2px 会到 57，离字 15px，看着是悬在半空的一条线。 */
	bottom: 4px;
	height: 2px;
	border-radius: 2px;
	background: var(--theme);
	transform: scaleX(0);
	transition: transform .2s ease;
}

.navbar-top .navbar-nav>li:hover>a::after,
.navbar-top .navbar-nav>li.current-menu-item>a::after {
	transform: scaleX(1);
}

/* 2) 顶部这排图标不显示
   四个栏目引的图标来自不同图标集：首页是实心彩色房子、源码分类是深色方块、
   按语言找是描边标签且里面焊死了一块绿（SVG 在 <use> 的影子树里，CSS 改不了
   那个 fill），站点服务是三个点。同一个尺寸下四种风格并排，怎么调都不齐。
   下拉面板里的图标保留 —— 那里每个分类一个标，是帮忙认路的。 */
.navbar-top .navbar-nav>li>a>svg,
.navbar-top .navbar-nav>li>a>.svg {
	display: none;
}