/* ============ 主题变量 ============ */
:root {
	color-scheme: light dark;
	--bg: #efe9dd;
	--paper: #fbf8f1;
	--paper-edge: #f2ecdf;
	--text: #2c2823;
	--text-secondary: #857c6c;
	--accent: #a5442b;
	--accent-soft: rgba(165, 68, 43, 0.08);
	--accent-hl: rgba(165, 68, 43, 0.14);
	--border: #e2d9c8;
	--rule: #d6cab3;
	--shadow: rgba(90, 74, 48, 0.12);
	--radius: 10px;
	--font-size: 17px;
	--serif: 'Songti SC', 'STSong', 'Source Han Serif SC', 'Noto Serif CJK SC', 'Noto Serif SC', 'SimSun', Georgia, serif;
	--sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Segoe UI', 'Noto Sans SC', sans-serif;
}
:root[data-theme="dark"] {
	--bg: #171613;
	--paper: #1f1e1a;
	--paper-edge: #26241f;
	--text: #d9d2c4;
	--text-secondary: #8d8577;
	--accent: #c8735a;
	--accent-soft: rgba(200, 115, 90, 0.12);
	--border: #322f28;
	--rule: #3a362d;
	--shadow: rgba(0, 0, 0, 0.5);
}
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--bg: #171613;
		--paper: #1f1e1a;
		--paper-edge: #26241f;
		--text: #d9d2c4;
		--text-secondary: #8d8577;
		--accent: #c8735a;
		--accent-soft: rgba(200, 115, 90, 0.12);
		--border: #322f28;
		--rule: #3a362d;
		--shadow: rgba(0, 0, 0, 0.5);
	}
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { overflow-x: hidden; }
body { min-width: 0; overflow-wrap: break-word; }
body {
	background-color: var(--bg);
	background-image:
		radial-gradient(rgba(120, 100, 60, 0.035) 1px, transparent 1px),
		radial-gradient(rgba(120, 100, 60, 0.025) 1px, transparent 1px);
	background-size: 5px 5px, 7px 7px;
	background-position: 0 0, 3px 4px;
	color: var(--text);
	font-family: var(--sans);
	line-height: 1.8;
	min-height: 100vh;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
/* 阅读模式 */
body.read-mode {
	display: flex;
	flex-direction: column;
	align-items: center;
}
#readView {
	width: 100%;
	max-width: 100%;
	overflow-x: hidden;
}
/* 文集模式 */
body.coll-mode {
	display: flex;
	justify-content: center;
	padding: 40px 16px 80px;
}

/* ============ 阅读模式：书眉 ============ */
body.read-mode .page-header {
	position: fixed;
	top: 0; left: 0; right: 0;
	z-index: 100;
	background: color-mix(in srgb, var(--paper) 92%, transparent);
	backdrop-filter: saturate(160%) blur(10px);
	-webkit-backdrop-filter: saturate(160%) blur(10px);
	border-bottom: 1px solid var(--border);
	overflow: hidden;
}
.header-bar {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 20px;
	max-width: 860px;
	margin: 0 auto;
	overflow: hidden;
}
.header-title {
	font-family: var(--serif);
	font-size: 16px;
	font-weight: 600;
	letter-spacing: 0.06em;
	color: var(--text);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	flex: 1;
	min-width: 0;
	display: flex;
	align-items: baseline;
	gap: 6px;
}
.header-title a {
	text-decoration: none;
	color: inherit;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
.ht-root { flex-shrink: 0; }
.ht-sep {
	color: var(--text-secondary);
	font-weight: 400;
	flex-shrink: 0;
}
.ht-sub {
	flex: 1 1 0%;
	min-width: 2.5em;
	max-width: 100%;
}
.ht-root:hover, .ht-sub:hover { color: var(--accent); }
.header-tools { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.icon-btn {
	width: 30px; height: 30px;
	display: flex; align-items: center; justify-content: center;
	border: 1px solid var(--border);
	border-radius: 6px;
	background: var(--paper-edge);
	color: var(--text-secondary);
	font-family: var(--serif);
	font-size: 13px;
	cursor: pointer;
	transition: all 0.2s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.menu-btn {
	display: flex; align-items: center; gap: 5px;
	height: 30px;
	padding: 0 11px;
	border: 1px solid var(--border);
	border-radius: 6px;
	background: var(--paper-edge);
	color: var(--text);
	font-family: var(--serif);
	font-size: 13.5px;
	letter-spacing: 0.08em;
	cursor: pointer;
	transition: all 0.2s;
}
.menu-btn:hover { border-color: var(--accent); color: var(--accent); }
.menu-btn .arrow { font-size: 9px; transition: transform 0.3s; }
.menu-btn.expanded .arrow { transform: rotate(180deg); }
.header-panel {
	max-height: 0; overflow: hidden;
	transition: max-height 0.32s ease;
	border-top: 1px solid transparent;
}
.header-panel.expanded {
	max-height: 72vh;
	border-top-color: var(--border);
}
.header-panel-inner {
	padding: 7px 20px 12px;
	max-width: 860px; margin: 0 auto;
}
.panel-caption {
	font-family: var(--serif);
	font-size: 12px;
	letter-spacing: 0.28em;
	color: var(--text-secondary);
	margin-bottom: 6px;
}
.menu-list {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
	gap: 6px;
	max-height: calc(72vh - 80px);
	overflow-y: auto;
	padding-right: 4px;
}
.menu-item {
	display: flex; align-items: baseline; gap: 8px;
	padding: 7px 12px;
	border: 1px solid transparent;
	border-radius: 7px;
	background: var(--paper-edge);
	cursor: pointer;
	transition: all 0.18s;
	font-family: var(--serif);
	font-size: 14px;
	letter-spacing: 0.04em;
	color: var(--text);
}
.menu-item .mi-idx {
	font-family: var(--sans);
	font-size: 11px;
	color: var(--text-secondary);
	flex-shrink: 0;
	font-variant-numeric: tabular-nums;
}
.menu-item .mi-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-item:hover { border-color: var(--accent); color: var(--accent); }
.menu-item:hover .mi-idx { color: var(--accent); }
.menu-item.active {
	border-color: var(--accent);
	background: var(--accent-soft);
	color: var(--accent);
}
.menu-item.active .mi-idx { color: var(--accent); }

/* ============ 阅读模式：书页 ============ */
.doc-container {
	position: relative;
	width: 100%; max-width: 860px;
	background: var(--paper);
	padding: 56px 64px 64px;
	margin: 28px auto;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: 0 2px 18px var(--shadow);
	word-wrap: break-word;
	overflow-wrap: break-word;
	overflow-x: hidden;
}
body.read-mode.has-header .doc-container { margin-top: 78px; }

#docArticle { min-height: calc(100vh - 314px); }

.doc-head { text-align: center; margin-bottom: 30px; }
.doc-title {
	font-family: var(--serif);
	font-size: 1.62em;
	font-weight: 600;
	letter-spacing: 0.1em;
	line-height: 1.6;
	margin-bottom: 10px;
}
.doc-meta {
	display: flex; align-items: center; justify-content: center; gap: 10px;
	font-family: var(--serif);
	font-size: 12.5px;
	color: var(--text-secondary);
}
.doc-meta .m-set { letter-spacing: 0.22em; }
.doc-meta .m-type {
	letter-spacing: 0.16em;
	padding: 1px 9px;
	border: 1px solid var(--rule);
	border-radius: 3px;
	color: var(--accent);
}
.doc-meta .m-date { letter-spacing: 0.12em; color: var(--text-secondary); }
.doc-head::after {
	content: '';
	display: block;
	width: 100%; height: 1px;
	margin-top: 24px;
	background: linear-gradient(90deg, transparent, var(--rule) 18%, var(--rule) 82%, transparent);
}

/* ============ 体裁列表 ============ */
.form-result { max-width: 860px; margin: 0 auto; overflow-x: hidden; }
.form-head { text-align: center; margin-bottom: 10px; }
.form-head h1 {
	font-family: var(--serif);
	font-size: 1.25em;
	font-weight: 600;
	letter-spacing: 0.08em;
	color: var(--accent);
	margin: 0 0 2px;
}
.form-summary {
	display: flex;
	justify-content: space-between;
	font-size: 0.78em;
	color: var(--text-secondary);
	margin-top: 2px;
	letter-spacing: 0.04em;
	max-width: 100%;
	overflow: hidden;
}
.form-vol2 { margin-top: 28px; }
.coll-cover { margin: 10px 0; text-align: center; }
.coll-cover img { max-width: 100%; height: auto; border-radius: 6px; }
.coll-desc { margin-bottom: 16px; line-height: 1.8; }
.coll-desc p { text-indent: 2em; margin: 0 0 0.6em; }
.sort-toggle { cursor: pointer; user-select: none; transition: color 0.16s; }
.sort-toggle:hover { color: var(--accent); }
.form-list {
	display: flex;
	flex-direction: column;
	gap: 3px;
	max-height: 70vh;
	overflow-y: auto;
	overflow-x: hidden;
}
.form-item {
	display: flex;
	align-items: baseline;
	gap: 11px;
	padding: 10px 15px;
	border-radius: 7px;
	text-decoration: none;
	color: var(--text);
	font-family: var(--serif);
	border: 1px solid transparent;
	transition: all 0.16s;
	letter-spacing: 0.04em;
}
.form-item:hover {
	background: var(--accent-soft);
	border-color: var(--accent);
	color: var(--accent);
}
.fi-coll {
	font-size: 0.78em;
	color: var(--text-secondary);
	flex: 0 0 auto;
	max-width: 80px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	letter-spacing: 0.06em;
}
.fi-title {
	flex: 1; min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	font-weight: 500;
}
.fi-date {
	font-size: 0.83em;
	color: var(--text-secondary);
	flex: 0 0 auto;
	font-family: var(--sans);
	letter-spacing: 0.06em;
}
.fi-meta {
	font-size: 0.78em;
	color: var(--text-secondary);
	flex: 0 0 auto;
	font-family: var(--sans);
	letter-spacing: 0.04em;
	white-space: nowrap;
}
.catalog-coll-head {
	font-family: var(--serif);
	font-size: 1.05em;
	font-weight: 600;
	color: var(--accent);
	padding: 16px 15px 6px;
	letter-spacing: 0.06em;
	border-bottom: 1px solid var(--rule);
	margin: 8px 2px 0;
	cursor: pointer;
	user-select: none;
	display: flex;
	align-items: baseline;
}
.coll-toggle {
	display: inline-block;
	font-size: 0.7em;
	margin-right: 8px;
	transition: transform 0.2s;
	flex-shrink: 0;
}
.coll-toggle.folded { transform: rotate(-90deg); }
.catalog-coll-body.hidden { display: none; }
.catalog-coll-head:first-child { padding-top: 4px; }
.catalog-coll-count {
	font-size: 0.8em;
	font-weight: 400;
	color: var(--text-secondary);
	margin-left: 6px;
}

.genre-bar {
	display: flex;
	justify-content: center;
	gap: 6px;
	flex-wrap: wrap;
	margin-bottom: 12px;
}
.genre-bar a {
	display: inline-block;
	padding: 5px 16px;
	border-radius: 18px;
	border: 1px solid var(--border);
	color: var(--text-secondary);
	text-decoration: none;
	font-size: 0.88em;
	font-family: var(--serif);
	letter-spacing: 0.06em;
	transition: all 0.2s ease;
	white-space: nowrap;
	background: transparent;
}
.genre-bar a:hover {
	border-color: var(--accent);
	color: var(--accent);
	background: var(--accent-soft);
	transform: translateY(-1px);
	box-shadow: 0 2px 8px var(--shadow);
}
.genre-bar a.gen-act {
	border-color: var(--accent);
	color: #fff;
	background: var(--accent);
	font-weight: 600;
	box-shadow: 0 1px 4px var(--shadow);
}
.genre-bar.area-bar {
	flex-wrap: wrap;
}
.genre-bar a.bar-more,
.coll-form-bar .bar-more,
.coll-area-bar .bar-more {
	border-style: dashed;
	color: var(--text-secondary);
}

/* ============ 展卷 loading ============ */
#loadingState {
	min-height: 0;
	padding: 28px 24px;
	display: flex; flex-direction: column;
	align-items: center; justify-content: center;
	gap: 12px;
	color: var(--text-secondary);
	font-family: var(--serif);
	font-size: 0.92em;
	letter-spacing: 0.08em;
	background: var(--paper);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: 0 2px 12px var(--shadow);
	max-width: 220px;
	margin: 60px auto;
}
.loading-spin {
	width: 36px; height: 36px;
	border: 2.5px solid var(--border);
	border-top-color: var(--accent);
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
	box-shadow: 0 0 12px var(--accent-soft);
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state {
	display: flex; flex-direction: column;
	align-items: center; justify-content: center;
	padding: 80px 20px;
	min-height: 220px;
	color: var(--text-secondary);
	text-align: center; gap: 14px;
	font-family: var(--serif);
}
.empty-state code {
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	background: var(--paper-edge);
	border: 1px solid var(--border);
	border-radius: 4px;
	padding: 2px 6px;
	font-size: 12px;
	letter-spacing: 0;
}

/* ============ 诗文正文 ============ */
.markdown-body {
	font-family: var(--serif);
	font-size: var(--font-size);
	color: var(--text);
	line-height: 2.05;
	letter-spacing: 0.045em;
}
.stanza {
	text-align: center;
	margin: 1.5em 0;
	line-height: 2.2;
	letter-spacing: 0.06em;
}
.stanza-group .stanza { margin-top: 0.5em; }
.sub-title {
	display: block;
	text-align: center;
	font-family: var(--serif);
	font-size: 0.92em;
	font-weight: 600;
	color: var(--text-secondary);
	letter-spacing: 0.08em;
	margin: 0.4em 0 0 0;
}
.stanza .inner {
	display: inline-block;
	text-align: left;
	max-width: 100%;
	line-height: 2.2;
}
.v-line { display: block; text-indent: -1.15em; padding-left: 1.15em; }
/* 词曲上下阕合并整体内的块间空隙（与 stanza 外边距一致的 1.5em） */
.stanza-break { display: block; height: 1.5em; }
.prose-p {
	margin: 0.85em 0;
	text-align: justify;
	text-justify: inter-ideograph;
	text-indent: 2em;
}
.preface, .notes {
	font-size: 0.855em;
	color: var(--text-secondary);
	letter-spacing: 0.02em;
	line-height: 1.95;
}
.preface p, .notes p {
	margin: 0.5em 0;
	text-align: justify;
	text-indent: 2em;
}
.preface { margin: 1.2em 0 1.8em; }
.notes {
	margin-top: 2.6em;
	padding-top: 1.1em;
	border-top: 1px dashed var(--rule);
}
/* 小序/附录/备注中引用的诗句：markdown > 引用语法，居中显示（无引用框） */
.preface blockquote, .notes blockquote {
	margin: 0.9em auto;
	padding: 0;
	border: none;
	background: none;
	text-align: center;
	line-height: 2.2;
	letter-spacing: 0.06em;
}
.preface blockquote p, .notes blockquote p {
	text-indent: 0;
	text-align: center;
	margin: 0.2em 0;
}

/* ============ .md-doc 排版（统一管线：parseDoc 结构化 + 各块 markdown 渲染） ============ */
/* 无类名段落（markdown 渲染）首行缩进；stanza 等有类段落不受影响 */
.md-doc > p:not([class]) {
	margin: 0.85em 0;
	text-align: justify;
	text-justify: inter-ideograph;
	text-indent: 2em;
}
.md-doc > p.md-author {
	text-align: center;
	text-indent: 0;
	letter-spacing: 0.12em;
	margin: 0.2em 0 1.2em;
}
.md-doc > p.md-review, .notes p.md-review {
	text-indent: 0;
	margin-top: 1.6em;
}
.md-doc h2:not([class]) {
	font-size: 1.18em;
	font-weight: 600;
	text-align: center;
	letter-spacing: 0.14em;
	margin: 1.4em 0 1em;
	color: var(--text);
}
.md-doc h3:not([class]) {
	font-size: 1.02em;
	font-weight: 600;
	text-align: center;
	letter-spacing: 0.1em;
	margin: 1.2em 0 0.9em;
	color: var(--text);
}
.md-doc hr {
	border: 0;
	border-top: 1px dashed var(--rule);
	margin: 1.8em 0;
}
.md-doc .media-box { margin: 1.3em 0; }

/* ============ 深度解读 ============ */
.deep-analysis {
	margin-top: 2.6em;
	padding-top: 1.4em;
	border-top: 2px solid var(--accent);
	font-family: var(--serif);
	font-size: 0.95em;
	line-height: 1.9;
	letter-spacing: 0.035em;
	color: var(--text);
}
.deep-analysis h2 { font-size: 1.15em; font-weight: 600; margin: 1.6em 0 0.6em; letter-spacing: 0.07em; color: var(--accent); }
.deep-analysis h3 { font-size: 1.05em; font-weight: 600; margin: 1.3em 0 0.5em; letter-spacing: 0.05em; }
.deep-analysis p { margin: 0.7em 0; text-indent: 2em; text-align: justify; text-justify: inter-ideograph; }
.deep-analysis ul, .deep-analysis ol { margin: 0.5em 0; padding-left: 2.2em; }
.deep-analysis li { margin: 0.3em 0; }
.deep-analysis blockquote {
	margin: 0.8em 0; padding: 0.5em 1.2em;
	border-left: 3px solid var(--accent);
	background: var(--accent-soft);
	border-radius: 0 4px 4px 0;
}
.deep-analysis blockquote p { text-indent: 0; margin: 0.3em 0; }
.deep-analysis strong { color: var(--accent); font-weight: 600; }
.deep-analysis table { width: 100%; border-collapse: collapse; margin: 0.9em 0; font-size: 0.9em; }
.deep-analysis th, .deep-analysis td { border: 1px solid var(--border); padding: 0.45em 0.8em; text-align: left; }
.deep-analysis th { background: var(--accent-soft); font-weight: 600; letter-spacing: 0.04em; }
.deep-analysis hr { border: none; border-top: 1px solid var(--rule); margin: 1.5em 0; }
.deep-analysis code {
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	font-size: 0.88em;
	background: var(--paper-edge);
	border: 1px solid var(--border);
	border-radius: 3px;
	padding: 0.1em 0.35em;
}
.deep-analysis img { max-width: 100%; border-radius: 5px; }

/* ============ 页脚 ============ */
.page-footer {
	display: flex;
	align-items: stretch;
	gap: 14px;
	padding: 0 4px;
	width: 100%; max-width: 860px;
	margin: 0 auto 34px;
}
.footer-btn {
	display: flex; align-items: center; gap: 9px;
	padding: 13px 16px;
	border: 1px solid var(--border);
	border-radius: 8px;
	background: var(--paper);
	color: var(--text);
	font-family: var(--serif);
	font-size: 14px;
	letter-spacing: 0.05em;
	cursor: pointer;
	transition: all 0.2s;
	flex: 1; min-width: 0;
}
#nextBtn { justify-content: flex-end; }
.footer-btn:hover { border-color: var(--accent); color: var(--accent); }
.footer-btn.disabled { opacity: 0.45; cursor: default; pointer-events: none; color: var(--text-secondary); }
.footer-btn .fb-arrow { font-size: 13px; color: var(--text-secondary); flex-shrink: 0; }
.footer-btn:hover .fb-arrow { color: var(--accent); }
.footer-btn-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============ 媒体轮播 ============ */
.media-box { margin: 18px 0; text-align: center; }
.media-box img, .media-box video { max-width: 100%; max-height: 60vh; border-radius: 6px; box-shadow: 0 1px 8px var(--shadow); }
/* 实况照片：静态帧 + 长按播放同名 mov */
.lp-wrap { display: inline-block; vertical-align: top; }
.lp-stage { position: relative; cursor: pointer; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.lp-stage .lp-img { display: block; }
.lp-stage .lp-video { display: none; }
.lp-stage.playing .lp-video { display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; }
/* HEIC 静态帧不可显示（非 Safari）：回退带控件的视频 */
.lp-stage.no-img .lp-img { display: none; }
.lp-stage.no-img .lp-video { display: block; position: static; }
/* 提示默认隐藏：确认配套 mov 存在（has-mov）才显示 */
.lp-tip { display: none; margin-top: 0.5em; font-size: 0.85em; color: var(--text-secondary); }
.lp-wrap.has-mov .lp-tip { display: block; }
/* 非 Safari 回退（视频带控件直接可见）时提示无意义 */
.lp-stage.no-img + .lp-tip { display: none !important; }
.lp-wrap.no-mov .lp-tip { display: none; }
.media-carousel { position: relative; overflow: hidden; border-radius: 6px; }
.mc-track { display: flex; transition: transform 0.4s ease; }
.mc-slide { min-width: 100%; display: flex; justify-content: center; align-items: center; }
.mc-slide img, .mc-slide video { max-width: 100%; max-height: 60vh; border-radius: 6px; display: block; }
.mc-prev, .mc-next {
	position: absolute; top: 50%; transform: translateY(-50%);
	background: rgba(0,0,0,0.35); color: #fff; border: none;
	font-size: 22px; width: 34px; height: 34px;
	border-radius: 50%; cursor: pointer; line-height: 1;
	opacity: 0; transition: opacity 0.25s; z-index: 2;
}
.media-carousel:hover .mc-prev, .media-carousel:active .mc-prev { opacity: 1; }
.media-carousel:hover .mc-next, .media-carousel:active .mc-next { opacity: 1; }
.mc-prev { left: 8px; }
.mc-next { right: 8px; }
.mc-dots { display: flex; justify-content: center; gap: 7px; margin-top: 10px; }
.mc-dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--border); cursor: pointer; transition: background 0.2s; }
.mc-dots span.active { background: var(--accent); }

/* ============ 文集模式 ============ */
.coll-main { width: 100%; max-width: 680px; }
.coll-main h1 {
	font-size: 1.62em; font-weight: 600;
	letter-spacing: 0.12em; text-align: center;
	margin-bottom: 8px; color: var(--accent);
}
.coll-subtitle {
	text-align: center; font-size: 0.88em;
	letter-spacing: 0.08em; color: var(--text-secondary);
	margin-bottom: 32px;
}
.coll-footer-note {
	text-align: center; font-size: 0.82em;
	letter-spacing: 0.08em; color: var(--text-secondary);
	margin-top: 18px; padding-top: 18px; /* 横线上下的间距对称（margin 折叠后与底部链接区实际间距即此值） */
	border-top: 1px solid var(--rule);
}
.coll-volume { margin-bottom: 18px; }
.coll-vol-title {
	font-size: 0.82em; font-weight: 500;
	color: var(--text-secondary); letter-spacing: 0.14em;
	margin-bottom: 8px;
}
.coll-col-row {
	display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px;
}
.coll-col-row a {
	display: inline-block; padding: 7px 15px;
	font-size: 0.95em; letter-spacing: 0.06em;
	color: var(--text); text-decoration: none;
	border: 1px solid var(--border); border-radius: 6px;
	background: var(--paper); transition: all 0.18s;
}
.coll-col-row a:hover {
	border-color: var(--accent); color: var(--accent);
	background: var(--accent-soft);
}
.coll-form-bar {
	display: flex; flex-wrap: wrap; gap: 8px;
	margin-top: 32px; padding-top: 22px;
	border-top: 1px solid var(--rule);
}
.coll-form-btn {
	display: inline-block; padding: 8px 18px;
	font-family: var(--serif); font-size: 1.02em;
	letter-spacing: 0.08em; color: var(--text);
	background: var(--paper-edge); border: 1px solid var(--border);
	border-radius: 7px; cursor: pointer;
	transition: all 0.18s; white-space: nowrap;
}
/* hover 高亮仅限支持悬停的设备：触屏点击后 hover 会粘滞残留，与 .act 选中态混淆（反选后看似仍选中） */
@media (hover: hover) {
	.coll-form-btn:hover {
		border-color: var(--accent); color: var(--accent);
		background: var(--accent-soft);
	}
}
.coll-form-btn.act {
	border-color: var(--accent); color: var(--accent);
	background: var(--accent-hl);
	box-shadow: 0 0 0 2px var(--accent-soft);
}
.coll-area-bar {
	display: flex; flex-wrap: wrap; gap: 8px;
	margin-top: 12px;
}
.coll-area-bar:empty { display: none; }
/* ============ 时光轴 ============ */
.coll-timeline { margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--rule); }
.tl-head {
	display: flex; align-items: center; justify-content: space-between;
	margin-bottom: 6px;
}
.tl-head-title {
	font-family: var(--serif); font-size: 1.4em; font-weight: 700;
	letter-spacing: 0.16em;
}
.tl-head-left { display: flex; align-items: baseline; gap: 8px; }
.tl-head-count {
	font-family: var(--serif); font-size: 0.85em; font-weight: 400;
	color: var(--text-secondary); letter-spacing: 0.06em;
}
.tl-filter-btn {
	padding: 4px 16px;
	font-family: var(--serif); font-size: 0.85em; letter-spacing: 0.1em;
	color: var(--text-secondary); background: transparent;
	border: 1px dashed var(--border); border-radius: 14px;
	cursor: pointer; transition: all 0.18s;
}
.tl-filter-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.tl-filter-btn.on {
	border-style: solid; border-color: var(--accent);
	color: var(--accent); background: var(--accent-hl);
}
.tl-empty {
	padding: 26px 0; text-align: center;
	color: var(--text-secondary); font-size: 0.95em; letter-spacing: 0.06em;
}
/* 贯通竖线：年份顶格与「时光轴」左对齐，日期列距左缘10px（由.tl-date的padding承担并计入列宽），轴线落于日期列与标题之间间隙的中心 */
.tl-body { position: relative; --tl-col: 60px; --tl-gap: 12px; --tl-axis: calc(var(--tl-col) + var(--tl-gap) * 0.5); }
.tl-body:not(:has(.tl-empty))::before {
	content: ''; position: absolute;
	left: var(--tl-axis); top: -14px; bottom: 12px;
	width: 1px; background: var(--border);
	z-index: 0;
}
/* 顶部横线：作为「时光轴 开启筛选」的下划线，与轴线垂直相交 */
.tl-body:not(:has(.tl-empty))::after {
	content: ''; position: absolute;
	left: 0; right: 0; top: -14px; height: 1px;
	background: var(--border);
	z-index: 0;
}
.tl-year-head {
	display: flex; align-items: baseline;
	font-family: var(--serif); font-size: 1.15em; font-weight: 600;
	letter-spacing: 0.1em; color: var(--accent); margin: 24px 0 6px;
	position: relative;
}
.tl-year-label {
	flex: 0 0 auto;
	text-align: left; white-space: nowrap;
	position: relative; z-index: 1;
}
.tl-year-unit { font-size: 0.8em; }
.tl-year-count {
	font-family: var(--sans); font-size: 0.72em; font-weight: 400;
	color: var(--text-secondary); letter-spacing: 0; margin-left: 8px;
}
.tl-toggle {
	margin-left: auto; padding: 3px 14px;
	font-family: var(--serif); font-size: 0.72em; letter-spacing: 0.1em;
	color: var(--text-secondary); background: transparent;
	border: 1px dashed var(--border); border-radius: 14px;
	cursor: pointer; transition: all 0.18s;
}
.tl-toggle:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
/* 条目网格：日期列(自适应宽)-间隙列(圆点居中于轴线)-标题-元信息 */
.tl-items { display: grid; grid-template-columns: var(--tl-col) var(--tl-gap) minmax(0, 1fr) auto; align-items: center; row-gap: 14px; }
.tl-item { display: contents; }
.tl-date {
	grid-column: 1;
	padding-left: 10px;
	position: relative;
	display: flex; flex-direction: column; align-items: flex-end;
	font-family: var(--sans); font-size: 0.85em; line-height: 1.4;
	color: var(--text-secondary); white-space: nowrap;
	transition: color 0.18s;
}
/* 圆点：挂在日期元素右缘外间隙中心，即轴线上 */
.tl-date::after {
	content: ''; position: absolute;
	right: calc(var(--tl-gap) * -0.5 - 3px); top: 50%; transform: translateY(-50%);
	width: 6px; height: 6px; border-radius: 50%;
	background: var(--border); transition: background 0.18s;
}
/* 悬浮/触摸整行时：圆点、月份、标题一致高亮 */
.tl-item:hover .tl-title, .tl-item:hover .tl-date,
.tl-item:active .tl-title, .tl-item:active .tl-date { color: var(--accent); }
.tl-item:hover .tl-date::after, .tl-item:active .tl-date::after { background: var(--accent); }
.tl-time { font-size: 0.9em; opacity: 0.8; }
.tl-title {
	grid-column: 3;
	min-width: 0; color: var(--text); text-decoration: none;
	font-size: 1em; letter-spacing: 0.04em;
}
.tl-title:hover { color: var(--accent); }
.tl-meta {
	grid-column: 4;
	display: flex; align-items: baseline; gap: 10px;
	font-size: 0.8em; color: var(--text-secondary);
}
.tl-coll { color: var(--accent); opacity: 0.75; }
/* ============ 底部链接 ============ */
.coll-bottom-link {
	display: flex; justify-content: center; flex-wrap: wrap; gap: 22px;
	margin-top: 34px;
}
.bottom-link {
	display: inline-flex; align-items: center; gap: 6px;
	text-decoration: none;
	font-size: 0.95em; letter-spacing: 0.06em;
	color: var(--text-secondary);
	transition: color 0.18s;
}
.bottom-link:hover { color: var(--accent); text-decoration: underline; }
.bottom-link img { width: 16px; height: 16px; border-radius: 3px; }
@media (max-width: 420px) {
	.tl-coll { display: none; }
	.tl-meta { flex-direction: column; align-items: flex-end; gap: 2px; }
}
.coll-result { margin-top: 22px; display: none; }
.coll-result.open { display: block; }
.coll-result-head {
	display: flex; align-items: baseline; gap: 10px;
	font-size: 1.12em; font-weight: 600;
	letter-spacing: 0.08em; margin-bottom: 12px;
	padding-bottom: 8px; border-bottom: 1px solid var(--rule);
}
.coll-rh-count { font-size: 0.8em; color: var(--text-secondary); font-weight: 400; }
.coll-sub-list { display: flex; flex-direction: column; gap: 2px; }
.coll-sub-row {
	display: flex; align-items: center; gap: 10px;
	padding: 10px 14px; border-radius: 6px;
	cursor: pointer; transition: all 0.15s;
	border: 1px solid transparent;
}
.coll-sub-row:hover { background: var(--accent-soft); border-color: var(--accent); }
.coll-sub-name { flex: 0 0 auto; font-size: 1.02em; letter-spacing: 0.06em; min-width: 60px; }
.coll-sub-count { font-family: var(--sans); font-size: 0.88em; color: var(--text-secondary); }
.coll-sub-arrow { margin-left: auto; font-size: 0.85em; color: var(--text-secondary); }
.coll-sub-row:hover .coll-sub-arrow { color: var(--accent); }
.coll-search-bar { display: flex; gap: 8px; margin-top: 16px; align-items: center; }
.coll-search-bar input {
	flex: 1; min-width: 0; padding: 9px 14px;
	border: 1px solid var(--border); border-radius: 7px;
	font-family: var(--serif); font-size: 0.95em;
	letter-spacing: 0.04em; color: var(--text);
	background: var(--paper); outline: none;
	transition: border-color 0.18s;
}
.coll-search-bar input:focus { border-color: var(--accent); }
.coll-search-bar input::placeholder { color: var(--text-secondary); opacity: 0.6; }
.coll-search-mode { display: flex; flex-direction: column; gap: 0; flex-shrink: 0; }
.coll-search-mode button {
	padding: 2px 7px; border: 1px solid var(--border);
	font-family: var(--serif); font-size: 0.68em;
	color: var(--text-secondary); background: var(--paper);
	cursor: pointer; transition: all 0.16s;
	letter-spacing: 0.04em; line-height: 1.15;
}
.coll-search-mode button:first-child { border-radius: 6px 6px 0 0; border-bottom: 0; }
.coll-search-mode button:last-child { border-radius: 0 0 6px 6px; }
.coll-search-mode button.sm-act { border-color: var(--accent); color: #fff; background: var(--accent); font-weight: 600; }
.coll-search-btn {
	padding: 9px 18px; border: 1px solid var(--accent);
	border-radius: 7px; font-family: var(--serif);
	font-size: 0.92em; color: #fff; background: var(--accent);
	cursor: pointer; letter-spacing: 0.06em;
	transition: all 0.16s; flex-shrink: 0;
}
.coll-search-btn:hover { opacity: 0.88; }
.coll-sr-item {
	display: flex; align-items: flex-start; gap: 10px;
	padding: 9px 15px; border-radius: 7px;
	text-decoration: none; color: var(--text);
	font-family: var(--serif); transition: all 0.16s;
	letter-spacing: 0.04em; border: 1px solid transparent;
	line-height: 1.5; cursor: pointer;
}
.coll-sr-item:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.coll-sr-coll { font-size: 0.78em; color: var(--text-secondary); flex: 0 0 auto; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-top: 1px; }
.coll-sr-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.coll-sr-title { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.coll-sr-snippet { font-size: 0.85em; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-family: var(--sans); }
.coll-sr-genre { font-size: 0.78em; color: var(--text-secondary); flex: 0 0 auto; padding-top: 1px; }
.coll-result-all {
	margin-top: 12px; padding: 8px 14px;
	font-size: 0.92em; color: var(--accent);
	cursor: pointer; border-radius: 6px;
	border: 1px dashed var(--rule);
	text-align: center; letter-spacing: 0.06em;
	transition: all 0.15s;
}
.coll-result-all:hover { border-color: var(--accent); background: var(--accent-soft); }
.coll-loading {
	display: flex; align-items: center; gap: 10px;
	padding: 20px; color: var(--text-secondary);
	font-size: 0.9em;
}
.coll-loading .loading-spin { width: 18px; height: 18px; border-width: 2px; }

/* ============ 响应式 ============ */
@media (max-width: 900px) {
	.doc-container {
		margin: 0; border: 0; border-radius: 0;
		padding: 17px 10px 24px;
		box-shadow: none;
	}
	#docArticle { min-height: calc(100vh - 192px); }
	body.read-mode.has-header .doc-container { margin: 58px 0 0; }
	.page-footer { margin: 18px auto 34px; }
	.markdown-body { line-height: 2; }
	.doc-title { font-size: 1.42em; }
	.doc-head { margin-bottom: 24px; }
	.doc-head::after { margin-top: 18px; }
	.menu-list { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
	.page-footer { padding: 0 16px; margin-bottom: 26px; gap: 10px; }
	.header-bar { padding: 9px 14px; }
}
@media (max-width: 480px) {
	body.coll-mode { padding: 24px 12px 60px; }
	.coll-main h1 { font-size: 1.4em; margin-bottom: 24px; }
	.coll-col-row a { padding: 6px 11px; font-size: 0.88em; }
	.coll-form-btn { padding: 6px 13px; font-size: 0.95em; }
}
@media (max-width: 420px) {
	.header-title { font-size: 15px; }
	.icon-btn { width: 27px; height: 27px; font-size: 12px; }
	.menu-btn { height: 27px; padding: 0 9px; font-size: 13px; }
	.genre-bar { gap: 3px; margin-bottom: 8px; }
	.genre-bar a { padding: 4px 8px; font-size: 0.78em; }
	.form-head { margin-bottom: 6px; }
	.form-head h1 { font-size: 1.15em; }
	.form-summary { font-size: 0.72em; }
}
@media print {
	.page-header, .page-footer { display: none !important; }
	body { background: #fff; }
	.doc-container { margin: 0; border: 0; box-shadow: none; max-width: none; min-height: 0; padding: 0; }
	.markdown-body { font-size: 12pt; }
}