/*
 * style.css — 法律概念 Wiki 维基百科风格样式表
 * 基于 zh.wikipedia.org 视觉风格，适配法律内容
 */

/* ──────────────────────────────────────
   0. CSS Variables
   ────────────────────────────────────── */

:root {
  /* 维基百科标准色 */
  --link: #2457b8;
  --link-visited: #6f4ca5;
  --link-active: #153d88;

  /* 背景色 */
  --bg: #efede7;
  --content-bg: #fffdfa;
  --search-bg: #ffffff;
  --surface-subtle: #f7f3eb;
  --surface-muted: #ece7dc;
  --surface-emphasis: #f2ecdf;

  /* 边框 / 文字 */
  --border: #b8b5ab;
  --border-light: #d9d4c9;
  --border-strong: #8e8a7d;
  --text: #26231d;
  --text-secondary: #686257;
  --text-muted: #8a847a;
  --ink-soft: #433d33;
  --accent-rule: #8b7650;
  --accent-wash: rgba(139, 118, 80, 0.12);

  /* 导航侧边栏 */
  --sidebar-bg: #f7f4ec;
  --sidebar-width: 248px;
  --sidebar-border: #ddd7cb;
  --sidebar-hover: #efe9dc;
  --sidebar-active: #e8e0cf;

  /* 导航顶部 */
  --nav-bg: rgba(253, 251, 246, 0.94);
  --nav-border: #d5cec1;

  /* 法律色彩 */
  --law-effective: #16a34a;
  --law-repealed: #dc2626;
  --law-amended: #d97706;
  --law-quote-bg: #fffbeb;
  --law-quote-border: #d97706;

  /* 引用块 */
  --blockquote-bg: #f7f2e8;
  --blockquote-border: #a08a61;

  /* 阴影 */
  --shadow-soft: 0 14px 36px rgba(44, 36, 22, 0.08);
  --shadow-search: 0 18px 38px rgba(31, 35, 40, 0.14);
}

/* ──────────────────────────────────────
   1. 基础重置
   ────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14.5px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(139, 118, 80, 0.06), rgba(139, 118, 80, 0) 180px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.42)),
    var(--bg);
  background-size: auto, auto, auto;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
a:visited { color: var(--link-visited); }

.wiki-title,
.browse-title,
.domain-title,
.article-title,
.article-content h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Songti SC",
    "Noto Serif SC", serif;
}

::selection {
  background: rgba(36, 87, 184, 0.14);
}

a,
button,
input,
.search-result-item,
.domain-card,
.browse-domain-card,
.sidebar-domain,
.sidebar-articles a {
  transition:
    color 0.16s ease,
    background-color 0.16s ease,
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.16s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(36, 87, 184, 0.45);
  outline-offset: 2px;
}

/* ──────────────────────────────────────
   2. 顶部导航条
   ────────────────────────────────────── */

.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0)),
    var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: blur(10px);
  padding: 0 18px;
  height: 48px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.75) inset;
}

.nav-logo {
  position: relative;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-right: 28px;
  letter-spacing: 0.03em;
  padding-left: 14px;
}
.nav-logo:hover { text-decoration: none; }

.nav-logo::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 16px;
  margin-top: -8px;
  border-radius: 999px;
  background: var(--accent-rule);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 16px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 13px;
  padding: 4px 0;
  letter-spacing: 0.03em;
}
.nav-links a.active {
  color: var(--text);
  font-weight: 600;
  border-bottom: 2px solid var(--accent-rule);
}
.nav-links a.active:hover { text-decoration: none; }

.sidebar-trigger {
  display: none;
  width: 32px;
  height: 32px;
  margin-right: 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
}

.sidebar-trigger:hover {
  background: var(--surface-muted);
  border-color: var(--border-light);
}

/* ──────────────────────────────────────
   3. 左侧栏 (Sidebar)
   ────────────────────────────────────── */

.sidebar {
  position: fixed;
  top: 48px;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0)),
    var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  overflow-y: auto;
  z-index: 90;
  padding: 10px 12px 18px;
}

.sidebar-header {
  padding: 8px 6px 12px;
  border-bottom: 1px solid var(--sidebar-border);
  margin-bottom: 12px;
}

.sidebar-logo {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.03em;
}
.sidebar-logo:hover { text-decoration: none; }

.sidebar-logo-icon { font-size: 18px; }

.sidebar-search {
  position: relative;
  margin-bottom: 8px;
}

.sidebar-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: 13px;
  outline: none;
  background: rgba(255, 255, 255, 0.88);
}
.sidebar-search input:focus {
  border-color: var(--link);
  box-shadow: 0 0 0 3px rgba(36, 87, 184, 0.12);
}

.sidebar-domain {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  padding: 7px 8px;
  border-radius: 8px;
  border: 1px solid transparent;
  user-select: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.sidebar-domain:hover {
  background: var(--sidebar-hover);
  border-color: rgba(139, 118, 80, 0.18);
}
.sidebar-domain.is-open,
.sidebar-domain.is-current-domain {
  background: var(--sidebar-active);
  border-color: rgba(139, 118, 80, 0.24);
}

.sidebar-domain-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 12.5px;
}
.sidebar-domain-name::before {
  content: "";
  width: 3px;
  height: 13px;
  border-radius: 999px;
  background: currentColor;
  flex: none;
}
.sidebar-count { font-size: 11px; color: var(--text-secondary); }

.sidebar-articles {
  list-style: none;
  margin: 6px 0 10px 14px;
  padding-left: 8px;
  border-left: 1px solid rgba(184, 181, 171, 0.75);
  font-size: 12px;
}
.sidebar-articles li {
  padding: 0;
  border-bottom: 1px solid rgba(217, 212, 201, 0.9);
}
.sidebar-articles a {
  color: var(--ink-soft);
  display: block;
  padding: 6px 8px;
  border-radius: 6px;
  margin: 1px 0;
  line-height: 1.45;
}
.sidebar-articles a:hover {
  text-decoration: none;
  background: var(--sidebar-hover);
  color: var(--link-active);
}
.sidebar-articles a.is-current {
  background: var(--sidebar-active);
  color: var(--text);
  font-weight: 600;
}

/* ──────────────────────────────────────
   4. 搜索结果下拉
   ────────────────────────────────────── */

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: var(--content-bg);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  box-shadow: var(--shadow-search);
  display: none;
  z-index: 200;
  margin-top: 6px;
}
.search-results.active { display: block; }

.search-result-item {
  padding: 9px 12px;
  border-bottom: 1px solid #ede7db;
  cursor: pointer;
}
.search-result-item:hover { background: #f7f2e8; }
.search-result-item.is-active {
  background: #f2ead9;
  outline: none;
}
.search-result-item .sr-title {
  font-weight: 600;
  color: var(--ink-soft);
  line-height: 1.45;
}
.search-result-item .sr-domain {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ──────────────────────────────────────
   5. 面包屑导航
   ────────────────────────────────────── */

.breadcrumb {
  padding: 4px 2px 10px;
  font-size: 11.5px;
  color: var(--text-secondary);
}
.breadcrumb a { color: var(--link); }

/* ──────────────────────────────────────
   6. 主内容区
   ────────────────────────────────────── */

.main-wrapper {
  margin-left: var(--sidebar-width);
  padding: 20px 22px 30px;
  min-height: calc(100vh - 48px);
}

.main {
  max-width: 980px;
  background:
    linear-gradient(90deg, rgba(139, 118, 80, 0.08), rgba(139, 118, 80, 0) 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 132px),
    var(--content-bg);
  border: 1px solid var(--border-light);
  border-top: 3px solid var(--accent-rule);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 20px 24px 24px;
  margin-bottom: 24px;
}

.page-home .main,
.page-browse .main,
.page-domain .main {
  max-width: 1120px;
}

.page-article .main {
  max-width: 1040px;
}

/* ──────────────────────────────────────
   7. 文章页
   ────────────────────────────────────── */

.article-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.24;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0 12px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  flex-wrap: wrap;
  background: linear-gradient(180deg, rgba(139, 118, 80, 0.08), rgba(139, 118, 80, 0.02));
  border: 1px solid var(--border-light);
  border-radius: 10px;
}

.domain-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.meta-item { }

.benchmark-quote {
  background: var(--law-quote-bg);
  border-left: 4px solid var(--law-quote-border);
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 13px;
  color: var(--text);
}

/* 关联概念标签 */
.related-concepts {
  margin: 12px 0 18px;
  padding: 10px 12px 12px;
  background: var(--surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: 10px;
}
.related-concepts h3 {
  font-size: 11px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.related-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.related-tag {
  display: inline-block;
  padding: 4px 10px;
  background: #f3eee4;
  border: 1px solid #ddd3c2;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-soft);
}
.related-tag:hover {
  background: #ece3d0;
  text-decoration: none;
  color: var(--link-active);
}

/* 文章目录 TOC */
.article-toc-toggle {
  display: none;
  cursor: pointer;
  padding: 8px 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  text-align: center;
  font-size: 13px;
}

.article-toc {
  float: right;
  width: 220px;
  margin: 0 0 16px 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0)),
    var(--surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 12px;
  flex-shrink: 0;
  position: sticky;
  top: 68px;
}

.article-toc h3 {
  font-size: 11px;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-toc ul {
  list-style: none;
  padding: 0;
}

.article-toc li {
  padding: 4px 0;
  border-bottom: 1px solid rgba(217, 212, 201, 0.8);
}

.article-toc a {
  color: var(--text-secondary);
  display: block;
  padding-left: 10px;
  border-left: 2px solid transparent;
}

.article-toc a.is-active {
  border-left-color: var(--accent-rule);
  color: var(--text);
  font-weight: 600;
  background: rgba(139, 118, 80, 0.08);
}

/* 正文区域 */
.article-content {
  /* removed overflow: hidden — it created BFC that avoids floated TOC → blank gap */
}

/* 正文中的 wikilink */
.article-content a.wikilink {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.14em;
}
.article-content a.wikilink:hover { color: var(--link-active); }
.article-content .broken-wikilink {
  color: red;
}

/* 正文中的 h2 / h3 */
.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid #d7ccb7;
  color: var(--text);
  letter-spacing: -0.015em;
}

.article-content h2::before {
  content: "§";
  margin-right: 8px;
  color: var(--accent-rule);
}

.article-content h3 {
  font-size: 15.5px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--text);
  letter-spacing: 0.02em;
}

.article-content p {
  margin: 8px 0;
  line-height: 1.8;
  text-align: justify;
  text-justify: inter-ideograph;
}

/* 法条引用 (blockquote) */
.article-content blockquote {
  background: var(--blockquote-bg);
  border-left: 4px solid var(--blockquote-border);
  border: 1px solid #e4dac4;
  border-left-width: 4px;
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 13.5px;
  line-height: 1.7;
  border-radius: 0 6px 6px 0;
}

.article-content > blockquote:first-child {
  background: linear-gradient(135deg, rgba(139, 118, 80, 0.12), rgba(139, 118, 80, 0.03));
}

/* 正文中的 ul / ol */
.article-content ul,
.article-content ol {
  margin: 8px 0;
  padding-left: 24px;
}
.article-content li {
  margin: 4px 0;
  line-height: 1.7;
}

/* 表格 */
.article-content table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  font-size: 13px;
  table-layout: fixed;
  background: #fffdfa;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 7px 10px;
  text-align: left;
}
.article-content table th {
  background: #efe7d8;
  font-weight: 600;
}

.article-content table tbody tr:nth-child(even) {
  background: #fbf9f4;
}

/* 底部来源 */
.sources-info {
  margin: 20px 0 8px;
  padding: 10px 16px;
  background: var(--surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: 6px;
}
.sources-count {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 反向链接 */
.backlinks {
  margin: 16px 0;
  padding: 12px 16px;
  background: var(--surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: 6px;
}
.backlinks h3 {
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text);
}
.backlinks ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.backlinks li { margin: 0; padding: 0; }

/* 上下页导航 */
.page-nav {
  display: flex;
  justify-content: space-between;
  margin: 20px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  gap: 18px;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 1000;
  display: none;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  color: var(--link);
  font-size: 12px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(31, 35, 40, 0.1);
}

.back-to-top:hover {
  background: #fff;
  text-decoration: none;
}

/* ──────────────────────────────────────
   8. 首页
   ────────────────────────────────────── */

.wiki-header {
  text-align: center;
  padding: 22px 0 16px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.wiki-title {
  font-size: 40px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.06em;
}

.wiki-slogan {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* 大搜索框 */
.wiki-search-home {
  position: relative;
  max-width: 620px;
  margin: 18px auto 16px;
}

.wiki-search-home input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 15px;
  outline: none;
  background: var(--content-bg);
  box-shadow: 0 1px 0 rgba(31, 35, 40, 0.03);
}
.wiki-search-home input:focus {
  border-color: var(--link);
  box-shadow: 0 0 0 4px rgba(36, 87, 184, 0.12);
}

/* 统计卡片 */
.wiki-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0 22px;
}

.stat-box {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0)),
    var(--content-bg);
  border: 1px solid var(--border-light);
  border-top: 3px solid var(--accent-rule);
  border-radius: 10px;
  padding: 13px 16px 12px;
  text-align: left;
  min-width: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-secondary);
}
.stat-box strong {
  font-size: 30px;
  color: var(--text);
  line-height: 1.1;
  display: block;
  margin-bottom: 6px;
}

/* 维基百科首页两栏布局 */
.wikipedia-two-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.95fr);
  gap: 18px;
  margin-top: 12px;
}

.wp-section {
  border: 1px solid var(--border-light);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0)),
    var(--content-bg);
  margin-bottom: 14px;
  border-radius: 10px;
  overflow: hidden;
}

.page-home .wp-section.is-top-cited,
.page-home .wp-section.is-bridge-concepts,
.page-home .wp-section.is-recent-updates {
  border-color: #d3c6ae;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.page-home .wp-section.is-top-cited .wp-section-header,
.page-home .wp-section.is-bridge-concepts .wp-section-header,
.page-home .wp-section.is-recent-updates .wp-section-header {
  background: linear-gradient(180deg, #efe7d8 0%, #e7ddcb 100%);
  font-weight: 700;
}

.page-home .wp-section.is-top-cited .featured-list li:first-child a,
.page-home .wp-section.is-top-cited .featured-list li:nth-child(2) a,
.page-home .wp-section.is-bridge-concepts .featured-list li:first-child a,
.page-home .wp-section.is-bridge-concepts .featured-list li:nth-child(2) a,
.page-home .wp-section.is-recent-updates .recent-list li:first-child a,
.page-home .wp-section.is-recent-updates .recent-list li:nth-child(2) a {
  font-weight: 700;
}

.page-home .wp-section.is-top-cited .wp-section-content,
.page-home .wp-section.is-bridge-concepts .wp-section-content {
  padding-top: 8px;
}

.page-home .wp-section.is-recent-updates .recent-list li {
  padding-top: 6px;
  padding-bottom: 6px;
}

.page-home .wp-section.is-bridge-concepts .domain-tag {
  min-width: 44px;
  text-align: center;
}

.page-home .wp-section.is-domain-index .wp-section-header,
.page-home .wp-section.is-quick-nav .wp-section-header {
  background: #eee7d9;
}

.page-home .wp-section.is-wiki-intro {
  border-color: #cfbea0;
  background:
    linear-gradient(135deg, rgba(139, 118, 80, 0.12), rgba(139, 118, 80, 0) 58%),
    var(--content-bg);
}

.page-home .wp-section.is-wiki-intro .wp-section-content {
  font-size: 14px;
  line-height: 1.92;
}

.page-home .wp-section.is-wiki-intro strong {
  color: var(--ink-soft);
}

.wp-section-header {
  background: var(--surface-muted);
  padding: 8px 12px;
  font-weight: 600;
  font-size: 11px;
  color: var(--text);
  border-bottom: 1px solid var(--border-light);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.wp-section-content {
  padding: 12px 14px 14px;
  font-size: 13px;
  line-height: 1.72;
}

.featured-list, .recent-list, .nav-list {
  list-style: none;
  padding: 0;
}

.page-home .wp-section.is-top-cited .featured-list,
.page-home .wp-section.is-bridge-concepts .featured-list,
.page-home .wp-section.is-recent-updates .recent-list {
  counter-reset: wiki-rank;
}

.featured-list li {
  position: relative;
  padding: 7px 0 7px 30px;
  border-bottom: 1px solid #eee7da;
}

.recent-list li {
  position: relative;
  padding: 7px 0 7px 30px;
  border-bottom: 1px solid #eee7da;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.page-home .wp-section.is-top-cited .featured-list li::before,
.page-home .wp-section.is-bridge-concepts .featured-list li::before,
.page-home .wp-section.is-recent-updates .recent-list li::before {
  counter-increment: wiki-rank;
  content: counter(wiki-rank, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 9px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.featured-list a,
.recent-list a,
.nav-list a {
  color: var(--ink-soft);
  font-weight: 600;
}

.featured-list a:hover,
.recent-list a:hover,
.nav-list a:hover {
  color: var(--link-active);
}

.recent-list .date {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-list li {
  padding: 4px 0;
}
.nav-list span {
  font-size: 11px;
  color: var(--text-secondary);
}

.cite-count {
  font-size: 11px;
  color: var(--text-secondary);
}

/* 领域卡片网格 */
.domain-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.domain-card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0)),
    var(--surface-subtle);
  border-radius: 9px;
  padding: 11px 12px 10px;
  text-align: left;
  display: block;
  border: 1px solid var(--border-light);
  transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.domain-card:hover {
  background: #f6f1e6;
  border-color: var(--border);
  transform: translateY(-1px);
  text-decoration: none;
}
.domain-card::after {
  content: "→";
  position: absolute;
  right: 10px;
  top: 11px;
  color: var(--text-muted);
  font-size: 12px;
}
.domain-card h3 {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 4px;
  padding-right: 14px;
}
.domain-card-count {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ──────────────────────────────────────
   9. 领域页
   ────────────────────────────────────── */

.domain-page { }

.domain-title {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.domain-count {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--surface-subtle);
}

/* ──────────────────────────────────────
   10. Footer
   ────────────────────────────────────── */

.wiki-footer {
  text-align: center;
  padding: 14px 16px;
  font-size: 11.5px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-light);
  background: #f3f3f1;
  margin-left: var(--sidebar-width);
}

/* ──────────────────────────────────────
   11. Wikilink (通用)
   ────────────────────────────────────── */

a.wikilink {
  color: var(--link);
}
span.broken-wikilink {
  color: #ba0000;
}

/* ──────────────────────────────────────
   12. Domain article card on domain pages
   ────────────────────────────────────── */

.domain-articles-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 30px;
  counter-reset: domain-entry;
  position: relative;
}

.domain-articles-list::before {
  content: "";
  position: absolute;
  left: calc(50% - 0.5px);
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(184, 181, 171, 0), rgba(184, 181, 171, 0.85) 8%, rgba(184, 181, 171, 0.85) 92%, rgba(184, 181, 171, 0));
}

.domain-article-card {
  break-inside: avoid;
  position: relative;
  padding: 11px 4px 12px 34px;
  border-bottom: 1px solid #ece4d6;
}

.domain-article-card::before {
  counter-increment: domain-entry;
  content: counter(domain-entry, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.domain-article-title {
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.45;
}
.domain-article-title:hover {
  color: var(--link-active);
  text-decoration: underline;
}

.domain-article-meta {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  margin-top: 3px;
  flex-wrap: wrap;
}

/* ──────────────────────────────────────
   13. 平板 / 移动端响应式
   ────────────────────────────────────── */

@media (max-width: 1024px) {
  :root {
    --sidebar-width: 0px;
  }

  .top-nav {
    padding: 0 12px;
    height: 50px;
  }

  .nav-logo {
    margin-right: 14px;
    font-size: 14px;
    white-space: nowrap;
  }

  .nav-links {
    gap: 12px;
    margin-left: auto;
  }

  .nav-links a {
    font-size: 12.5px;
  }

  .sidebar-trigger {
    display: block;
  }

  .sidebar {
    display: none;
    position: fixed;
    left: 0;
    top: 50px;
    bottom: 0;
    z-index: 500;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0)),
      var(--content-bg);
    box-shadow: 12px 0 24px rgba(0,0,0,0.12);
    width: min(320px, 86vw);
    padding: 12px 10px 18px;
  }
  .sidebar.active {
    display: block;
  }

  .main,
  .page-home .main,
  .page-browse .main,
  .page-domain .main,
  .page-article .main {
    max-width: 100%;
  }

  .main-wrapper,
  .wiki-footer {
    margin-left: 0;
  }

  .main-wrapper {
    padding: 16px 14px 22px;
  }

  .wiki-footer {
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-home .wikipedia-two-columns {
    grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.95fr);
    gap: 12px;
  }

  .page-home .wiki-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .domain-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-domain .domain-articles-list {
    gap: 0 18px;
  }

  .page-domain .domain-articles-list::before {
    left: calc(50% - 0.5px);
  }

  .page-article .article-toc {
    width: 176px;
    margin-left: 18px;
    padding: 10px 12px;
    top: 64px;
  }

  .page-article .article-title {
    font-size: 28px;
  }

  .browse-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .main-wrapper {
    padding: 10px 8px 18px;
  }

  .main {
    padding: 16px 12px 18px;
    border-radius: 8px;
  }

  .wiki-header {
    padding: 14px 0 12px;
  }

  .wiki-title {
    font-size: 31px;
  }

  .wiki-search-home {
    margin: 14px auto 14px;
  }

  .wiki-search-home input {
    font-size: 14px;
    padding: 12px 14px;
  }

  .wikipedia-two-columns,
  .page-home .wikipedia-two-columns {
    grid-template-columns: 1fr;
  }

  .wiki-stats,
  .page-home .wiki-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .domain-cards-grid,
  .page-home .domain-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .domain-articles-list {
    grid-template-columns: 1fr;
  }

  .domain-articles-list::before {
    display: none;
  }

  .domain-article-card {
    padding-left: 28px;
  }

  .article-toc {
    display: none;
  }
  .article-toc.mobile-active {
    display: block;
    float: none;
    width: 100%;
    margin: 0 0 16px 0;
    position: static;
  }

  .article-toc-toggle {
    display: block;
  }

  .article-title {
    font-size: 25px;
    line-height: 1.25;
  }

  .article-meta,
  .related-concepts {
    border-radius: 8px;
  }

  .article-content h2 {
    font-size: 20px;
  }

  .article-content table {
    display: block;
    overflow-x: auto;
    table-layout: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .article-content table th,
  .article-content table td {
    min-width: 112px;
  }

  .browse-grid {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    right: 12px;
    bottom: 14px;
    padding: 8px 12px;
  }
}

@media (max-width: 480px) {
  .top-nav {
    padding: 0 8px;
  }

  .nav-logo {
    font-size: 13px;
    margin-right: 8px;
  }

  .nav-links {
    gap: 8px;
  }

  .nav-links a {
    font-size: 12px;
  }

  .domain-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .wiki-stats {
    grid-template-columns: 1fr;
  }

  .stat-box {
    padding: 12px 14px 11px;
  }

  .wp-section-content {
    padding: 11px 12px 12px;
  }
}

/* ──────────────────────────────────────
   14. 浏览汇总页
   ────────────────────────────────────── */

.browse-title {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.browse-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 22px;
}

.browse-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.browse-domain-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0)),
    var(--content-bg);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 14px 14px 12px;
  box-shadow: var(--shadow-soft);
}

.browse-domain-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.browse-domain-title {
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.25;
}
.browse-domain-title:hover { text-decoration: underline; }

.browse-domain-count {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.browse-domain-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
}

.browse-domain-list li {
  padding: 5px 0;
  border-bottom: 1px solid #eee7da;
}

.browse-domain-list a {
  color: var(--ink-soft);
  line-height: 1.45;
}
.browse-domain-list a:hover {
  color: var(--link-active);
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  a,
  button,
  input,
  .search-result-item,
  .domain-card,
  .browse-domain-card,
  .sidebar-domain,
  .sidebar-articles a {
    transition: none;
  }
}