/* ==========================================================================
   Parker Engine 中文文档站 — MDUI v1 补充样式
   原则：布局与组件一律用 mdui 类，这里只放少量定制变量与补丁：
   字体栈（中文优先）、正文排版、代码块配色、表格紧凑度、提示色块、
   侧边栏/翻页/门户卡片/页脚的间距微调。
   ========================================================================== */

:root {
	/* 主题色（与 mdui-theme-primary-pink 一致，便于自定义区块引用） */
	--pk-primary: #e91e63;
	--pk-primary-dark: #c2185b;
	--pk-accent: #00bcd4;

	/* 提示色块 */
	--pk-note: #4fc3f7;
	--pk-note-bg: rgba(79, 195, 247, 0.1);
	--pk-warn: #ffca28;
	--pk-warn-bg: rgba(255, 202, 40, 0.12);
	--pk-deprecated: #ef5350;
	--pk-deprecated-bg: rgba(239, 83, 80, 0.12);

	/* 代码块 */
	--pk-code-bg: #2b2b2b;
	--pk-code-border: rgba(255, 255, 255, 0.14);
	--pk-code-inline-bg: rgba(255, 255, 255, 0.08);
	--pk-code-inline-fg: #ffcdd2;

	/* 边框/分隔（深色布局） */
	--pk-line: rgba(255, 255, 255, 0.12);
	--pk-line-soft: rgba(255, 255, 255, 0.07);

	--pk-font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC",
		"Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--pk-font-mono: Consolas, "Cascadia Mono", "Courier New", ui-monospace, monospace;
}

/* --------------------------------------------------------------------------
   1. 字体与基础排版（中文优先，非拉丁字符不强行套用 Roboto）
   -------------------------------------------------------------------------- */
body,
button,
input,
select,
textarea,
.mdui-btn,
.mdui-typo,
.mdui-list-item,
.mdui-card,
.mdui-panel,
.mdui-subheader,
.mdui-toolbar {
	font-family: var(--pk-font);
}

body {
	font-size: 15px;
	-webkit-font-smoothing: antialiased;
}

.mdui-typo {
	font-size: 15px;
	line-height: 1.85;
}

.mdui-typo h1,
.mdui-typo h2,
.mdui-typo h3,
.mdui-typo h4 {
	font-weight: 500;
	line-height: 1.45;
}

.mdui-typo h1 {
	margin-top: 0;
	padding-bottom: 12px;
	font-size: 30px;
	border-bottom: 2px solid var(--pk-line);
}

.mdui-typo h2 {
	margin-top: 1.8em;
	padding-bottom: 8px;
	font-size: 23px;
	border-bottom: 1px solid var(--pk-line-soft);
}

.mdui-typo h3 {
	margin-top: 1.5em;
	font-size: 19px;
}

.mdui-typo h4 {
	font-size: 16px;
}

.mdui-typo hr {
	height: 0;
	margin: 2em 0;
	border-bottom: 1px solid var(--pk-line);
}

.mdui-typo ul,
.mdui-typo ol {
	padding-left: 1.6em;
}

.mdui-typo li {
	margin-bottom: 0.35em;
}

.mdui-typo a {
	color: #ff80ab;
	word-break: break-word;
}

.mdui-typo a::before {
	background-color: #ff80ab;
}

.mdui-typo strong {
	font-weight: 700;
}

/* --------------------------------------------------------------------------
   2. 代码块与表格
   -------------------------------------------------------------------------- */
.mdui-typo pre,
.mdui-typo pre code,
.mdui-typo code,
.mdui-typo kbd,
.mdui-typo samp {
	font-family: var(--pk-font-mono);
}

.mdui-typo pre {
	margin: 0 0 1.4em;
	padding: 14px 16px;
	font-size: 13.5px;
	line-height: 1.65;
	background-color: var(--pk-code-bg);
	border: 1px solid var(--pk-code-border);
	border-left: 3px solid var(--pk-primary);
	border-radius: 2px;
}

.mdui-typo pre code {
	color: #e8e8e8;
	background-color: transparent;
}

.mdui-typo :not(pre) > code {
	padding: 2px 6px;
	font-size: 13px;
	color: var(--pk-code-inline-fg);
	background-color: var(--pk-code-inline-bg);
	border-radius: 2px;
}

/* 代码块右上角的复制按钮（site.js 注入） */
.pk-code-wrap {
	position: relative;
	margin: 0 0 1.4em;
}

.pk-code-wrap > pre {
	margin-bottom: 0;
}

.pk-copy-btn {
	position: absolute;
	top: 6px;
	right: 8px;
	padding: 2px 10px;
	font-family: var(--pk-font);
	font-size: 12px;
	line-height: 20px;
	color: rgba(255, 255, 255, 0.72);
	cursor: pointer;
	background-color: rgba(255, 255, 255, 0.1);
	border: none;
	border-radius: 2px;
	transition: background-color 0.2s, color 0.2s;
}

.pk-copy-btn:hover {
	color: #fff;
	background-color: rgba(255, 255, 255, 0.2);
}

.pk-copy-btn.pk-copy-ok {
	color: #fff;
	background-color: var(--pk-primary);
}

.pk-copy-btn.pk-copy-fail {
	color: #fff;
	background-color: var(--pk-deprecated);
}

/* 文档表格：紧凑、可横向滚动 */
.pk-table-wrap {
	margin: 0 0 1.4em;
}

.mdui-typo .mdui-table-fluid {
	border-radius: 2px;
}

.mdui-typo .mdui-table {
	font-size: 13.5px;
}

.mdui-typo .mdui-table th,
.mdui-typo .mdui-table td {
	padding: 8px 12px;
	line-height: 1.6;
	vertical-align: top;
}

.mdui-typo .mdui-table th:first-child,
.mdui-typo .mdui-table td:first-child {
	padding-right: 12px;
	padding-left: 12px;
}

.mdui-typo .mdui-table th {
	font-weight: 700;
	font-size: 12.5px;
	line-height: 1.6;
	white-space: nowrap;
}

.mdui-typo .mdui-table td code {
	white-space: nowrap;
}

/* --------------------------------------------------------------------------
   3. 提示色块（build.py 把「注意：/警告：/废弃：」引用块转成这些类）
   -------------------------------------------------------------------------- */
.pk-callout {
	margin: 0 0 1.4em;
	padding: 12px 16px;
	border: 1px solid transparent;
	border-left-width: 4px;
	border-radius: 2px;
}

.pk-callout-body > :last-child {
	margin-bottom: 0;
}

.pk-callout-title {
	margin-bottom: 6px;
	font-weight: 700;
	font-size: 13px;
	letter-spacing: 0.06em;
}

.pk-callout-note {
	color: rgba(255, 255, 255, 0.92);
	background-color: var(--pk-note-bg);
	border-color: var(--pk-note);
	border-left-color: var(--pk-note);
}

.pk-callout-note .pk-callout-title {
	color: var(--pk-note);
}

.pk-callout-warn {
	color: rgba(255, 255, 255, 0.92);
	background-color: var(--pk-warn-bg);
	border-color: var(--pk-warn);
	border-left-color: var(--pk-warn);
}

.pk-callout-warn .pk-callout-title {
	color: var(--pk-warn);
}

.pk-callout-deprecated {
	color: rgba(255, 255, 255, 0.92);
	background-color: var(--pk-deprecated-bg);
	border-color: var(--pk-deprecated);
	border-left-color: var(--pk-deprecated);
}

.pk-callout-deprecated .pk-callout-title {
	color: var(--pk-deprecated);
}

/* --------------------------------------------------------------------------
   4. 顶栏 / 侧边栏
   -------------------------------------------------------------------------- */
.pk-brand {
	color: #fff;
	text-decoration: none;
}

.pk-brand-sub {
	margin-left: 10px;
	font-size: 13px;
	opacity: 0.82;
}

.pk-drawer-scroll {
	padding-bottom: 24px;
}

.pk-drawer-hero {
	display: block;
	padding: 18px 16px 14px;
	color: #fff;
	text-decoration: none;
}

.pk-drawer-hero-title {
	display: block;
	font-weight: 500;
	font-size: 18px;
	line-height: 1.4;
}

.pk-drawer-hero-sub {
	display: block;
	margin-top: 2px;
	font-size: 12px;
	opacity: 0.66;
}

.pk-nav-group {
	height: 40px;
	padding-left: 16px;
	font-size: 13px;
	font-weight: 500;
	line-height: 40px;
	color: rgba(255, 255, 255, 0.55);
}

.pk-nav-item {
	height: auto;
	min-height: 40px;
	color: rgba(255, 255, 255, 0.87);
}

.pk-nav-item .mdui-list-item-content {
	padding: 9px 0;
	font-size: 14px;
	line-height: 1.5;
}

.pk-nav-item:hover {
	background-color: rgba(255, 255, 255, 0.06);
}

.pk-nav-item.mdui-list-item-active {
	color: #fff;
	background-color: rgba(233, 30, 99, 0.28);
	box-shadow: inset 3px 0 0 var(--pk-primary);
}

.pk-nav-icon {
	display: inline-flex;
	vertical-align: -4px;
	margin-right: 6px;
	color: inherit;
}

.pk-nav-icon svg {
	width: 18px;
	height: 18px;
}

.pk-nav-divider {
	margin: 10px 0;
	background-color: var(--pk-line);
}

.pk-badge {
	flex: none;
	margin-left: 8px;
	padding: 2px 8px;
	font-size: 11px;
	line-height: 18px;
	color: #fff;
	white-space: nowrap;
	background-color: rgba(255, 255, 255, 0.14);
	border-radius: 12px;
}

/* --------------------------------------------------------------------------
   5. 正文容器 / 面包屑 / 翻页 / 页脚
   -------------------------------------------------------------------------- */
.pk-container {
	max-width: 1100px;
	padding: 24px 16px 48px;
}

.pk-breadcrumb {
	margin-bottom: 18px;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.6);
}

.pk-breadcrumb a {
	color: rgba(255, 255, 255, 0.72);
	text-decoration: none;
}

.pk-breadcrumb a:hover {
	color: #ff80ab;
}

.pk-breadcrumb-sep {
	margin: 0 8px;
	opacity: 0.5;
}

.pk-breadcrumb-current {
	color: rgba(255, 255, 255, 0.92);
}

.pk-doc {
	padding: 24px 28px 32px;
	overflow-wrap: break-word;
}

.pk-pager {
	display: flex;
	flex-wrap: wrap;
	align-items: stretch;
	justify-content: space-between;
	gap: 12px;
	margin-top: 28px;
}

.pk-pager-btn {
	display: inline-flex;
	align-items: center;
	flex: 1 1 42%;
	min-width: 0;
	max-width: 48%;
	min-height: 56px;
	padding: 8px 16px;
	text-transform: none;
}

.pk-pager-empty {
	flex: 1 1 42%;
	max-width: 48%;
	visibility: hidden;
}

.pk-pager-next {
	justify-content: flex-end;
	text-align: right;
}

.pk-pager-text {
	display: flex;
	flex-direction: column;
	min-width: 0;
	margin: 0 8px;
}

.pk-pager-label {
	font-size: 11px;
	line-height: 1.5;
	opacity: 0.7;
}

.pk-pager-title {
	font-size: 14px;
	font-weight: 500;
	line-height: 1.5;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.pk-footer {
	margin-top: 40px;
	padding: 24px 0 32px;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.62);
	border-top: 1px solid var(--pk-line);
}

.pk-footer a {
	color: rgba(255, 255, 255, 0.78);
	text-decoration: none;
}

.pk-footer a:hover {
	color: #ff80ab;
}

.pk-footer-inner {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 8px;
}

.pk-footer-links a {
	margin-left: 16px;
}

.pk-footer-links a:first-child {
	margin-left: 0;
}

.pk-footer-note {
	margin-top: 10px;
	font-size: 12px;
	opacity: 0.72;
}

/* --------------------------------------------------------------------------
   6. 文档门户 / 404
   -------------------------------------------------------------------------- */
.pk-portal-hero {
	margin-bottom: 28px;
	padding: 32px 28px;
	border-radius: 2px;
	box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

.pk-portal-hero-title {
	margin: 0 0 8px;
	font-size: 34px;
	font-weight: 500;
	line-height: 1.3;
}

.pk-portal-hero-desc {
	margin: 0;
	max-width: 720px;
	font-size: 14px;
	line-height: 1.8;
	opacity: 0.94;
}

.pk-portal-hero-actions {
	margin-top: 20px;
}

.pk-portal-hero-actions .mdui-btn + .mdui-btn {
	margin-left: 8px;
}

.pk-btn-on-theme,
.pk-btn-on-theme-flat {
	text-transform: none;
	color: #fff;
}

.pk-btn-on-theme {
	background-color: rgba(0, 0, 0, 0.24);
}

.pk-btn-on-theme-flat {
	background-color: rgba(255, 255, 255, 0.12);
}

.pk-col {
	margin-bottom: 20px;
}

.pk-portal-card {
	display: flex;
	flex-direction: column;
	height: 100%;
}

.pk-portal-card .mdui-card-primary-title {
	font-size: 18px;
}

.pk-portal-card .mdui-card-primary-subtitle {
	font-size: 12px;
	opacity: 0.66;
}

.pk-portal-list {
	flex: 1 1 auto;
	padding: 4px 0 8px;
}

.pk-portal-item {
	height: auto;
	color: rgba(255, 255, 255, 0.9);
}

.pk-portal-item .mdui-list-item-content {
	padding: 10px 0;
}

.pk-portal-title {
	font-size: 14px;
	font-weight: 500;
	line-height: 1.5;
}

.pk-card-desc {
	margin-top: 4px;
	font-size: 12px;
	line-height: 1.65;
	opacity: 0.66;
}

.pk-404 {
	max-width: 640px;
	margin: 24px auto;
	padding-bottom: 8px;
}

.pk-404-code {
	font-size: 48px;
	line-height: 1.1;
	color: var(--pk-primary);
}

.pk-404-list {
	padding-left: 1.4em;
	line-height: 1.9;
}

.pk-404 .mdui-card-content {
	font-size: 14px;
	line-height: 1.85;
}

/* 旧地址跳转 stub（build.py 的 REDIRECTS 生成，样式同 404 卡片） */
.pk-redirect {
	max-width: 640px;
	margin: 24px auto;
	padding-bottom: 8px;
}

.pk-redirect-title {
	color: var(--pk-primary);
}

.pk-redirect .mdui-card-primary-subtitle code,
.pk-redirect .mdui-card-content code {
	padding: 2px 6px;
	font-family: var(--pk-font-mono);
	font-size: 12px;
	color: var(--pk-code-inline-fg);
	background-color: var(--pk-code-inline-bg);
	border-radius: 4px;
}

.pk-redirect .mdui-card-content {
	font-size: 14px;
	line-height: 1.85;
}

/* --------------------------------------------------------------------------
   7. 首页（Hero / 特性 / 下载 / FAQ）
   -------------------------------------------------------------------------- */
.pk-hero {
	position: relative;
	padding: 64px 0 56px;
	color: #fff;
	/* 实心深色，不用渐变 */
	background-color: #212121;
	box-shadow: inset 0 -1px 0 var(--pk-line);
}

.pk-hero::after {
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	height: 3px;
	content: "";
	background-color: var(--pk-primary);
}

.pk-hero-inner {
	max-width: 1100px;
}

.pk-hero-badge {
	display: inline-block;
	margin-bottom: 16px;
	font-size: 12px;
}

.pk-hero-title {
	margin: 0 0 14px;
	font-size: 46px;
	font-weight: 500;
	line-height: 1.15;
	letter-spacing: 0.01em;
}

.pk-hero-sub {
	max-width: 760px;
	margin: 0;
	font-size: 16px;
	line-height: 1.85;
	color: rgba(255, 255, 255, 0.82);
}

.pk-hero-actions {
	margin-top: 26px;
}

.pk-hero-actions .mdui-btn {
	min-height: 44px;
	padding: 0 22px;
	font-size: 15px;
	text-transform: none;
}

.pk-btn-lg + .pk-btn-lg {
	margin-left: 10px;
}

.pk-btn-secondary {
	color: #fff;
	background-color: rgba(255, 255, 255, 0.14);
}

.pk-hero-meta {
	margin-top: 24px;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.6);
}

.pk-hero-meta span {
	margin-right: 20px;
	white-space: nowrap;
}

.pk-section {
	max-width: 1100px;
	padding: 40px 16px 8px;
}

.pk-section-title {
	margin: 0 0 6px;
	font-size: 26px;
	font-weight: 500;
	line-height: 1.4;
}

.pk-section-desc {
	margin: 0 0 22px;
	font-size: 14px;
	color: rgba(255, 255, 255, 0.66);
}

.pk-feature-card {
	display: flex;
	flex-direction: column;
	height: 100%;
}

.pk-feature-card .mdui-card-primary {
	padding-bottom: 0;
}

.pk-feature-card .mdui-card-primary-title {
	font-size: 17px;
	line-height: 1.5;
}

.pk-feature-card .mdui-card-content {
	font-size: 13.5px;
	line-height: 1.8;
	color: rgba(255, 255, 255, 0.76);
}

.pk-feature-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	margin: 20px 0 0 20px;
	border-radius: 2px;
}

.pk-feature-icon svg {
	width: 24px;
	height: 24px;
	fill: currentColor;
}

.pk-download .mdui-card-primary-title {
	font-size: 20px;
}

.pk-download .mdui-card-actions {
	padding: 8px 16px 16px;
}

.pk-download .mdui-btn {
	text-transform: none;
}

.pk-faq .mdui-panel-item-title {
	flex: 1 1 auto;
	width: auto;
	min-width: 0;
	padding-right: 40px;
	font-weight: 500;
	line-height: 1.6;
	white-space: normal;
	overflow: visible;
	text-overflow: clip;
}

.pk-faq .mdui-panel-item-open > .mdui-panel-item-header {
	height: auto;
	min-height: 64px;
	padding-top: 10px;
	padding-bottom: 10px;
}

.pk-faq .mdui-panel-item-body {
	font-size: 14px;
	line-height: 1.9;
}

.pk-panel-arrow {
	display: block;
	width: 24px;
	height: 24px;
}

.pk-panel-arrow svg {
	display: block;
	width: 24px;
	height: 24px;
	fill: currentColor;
}

/* --------------------------------------------------------------------------
   8. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 599.9px) {
	.pk-doc {
		padding: 18px 16px 24px;
	}

	.pk-portal-hero {
		padding: 22px 18px;
	}

	.pk-portal-hero-title {
		font-size: 26px;
	}

	.pk-pager-btn,
	.pk-pager-empty {
		flex: 1 1 100%;
		max-width: 100%;
	}

	.pk-hero {
		padding: 40px 0 36px;
	}

	/* 窄屏顶栏空间有限：去掉副标题，避免主标题被截成「Parker Eng…」 */
	.pk-brand-sub {
		display: none;
	}

	.pk-brand {
		font-size: 18px;
	}

	.pk-hero-title {
		font-size: 32px;
	}

	.pk-hero-sub {
		font-size: 15px;
	}

	.pk-hero-actions .mdui-btn {
		display: block;
		width: 100%;
		margin-left: 0 !important;
	}

	.pk-hero-actions .mdui-btn + .mdui-btn {
		margin-top: 10px;
	}

	.pk-section {
		padding-top: 28px;
	}

	.pk-section-title {
		font-size: 22px;
	}

	.pk-footer-links a {
		margin-left: 0;
		margin-right: 16px;
	}
}