:root {
  --navy: #1e3a5f;
  --navy-light: #2a5082;
  --gold: #b8860b;
  --gold-light: #c49a1a;
  --text: #1a1a2e;
  --muted: #6b7280;
  --bg: #f0f2f5;
  --panel-bg: #ffffff;
  --border: #e0e3e8;
  --paper: #ffffff;
  --code-bg: #f4f4f4;
  --anno-bg: #fffbf2;
  --anno-border: #e6d5a8;
  --sidebar-width: 300px;
  --anno-width: 640px;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

.app { display: flex; flex-direction: column; min-height: 100vh; }

/* ---------- 顶部栏 ---------- */
.top-bar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  z-index: 300;
  box-shadow: 0 2px 8px rgba(30,58,95,0.25);
}
.top-bar .site-title {
  font-size: 15px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  flex: 1; text-align: center; margin: 0 10px;
}
.top-bar button, .top-bar a {
  background: rgba(255,255,255,0.15);
  color: #fff; border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px; padding: 7px 12px;
  font-size: 13px; font-weight: 600;
  min-height: 36px; min-width: 52px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mode-toggle {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.4);
  white-space: nowrap;
}

/* ---------- 三栏布局 ---------- */
.layout {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 10px;
  padding: 0 10px;
  max-width: 2000px;
  margin: 0 auto;
}

.toc-panel, .anno-panel {
  width: var(--sidebar-width);
  background: var(--panel-bg);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

.toc-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 100;
  padding: 22px 14px;
  transition: transform 0.25s ease;
}

.anno-panel {
  width: var(--anno-width);
  border-right: none;
  border-left: 1px solid var(--border);
  position: relative;
  padding: 22px 14px;
  z-index: 50;
}
.anno-panel.hidden { display: none; }
.toc-panel::-webkit-scrollbar { width: 6px; }
.toc-panel::-webkit-scrollbar-thumb { background: #c0c7d0; border-radius: 3px; }

.panel-header {
  font-size: 12px; color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5pt;
  margin-bottom: 14px;
  font-weight: 700;
}

/* ---------- 目录 ---------- */
.toc-panel ul { list-style: none; }
.toc-panel li { margin: 2px 0; }
.toc-panel a {
  display: block;
  padding: 8px 10px;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  font-size: 13.5px;
  line-height: 1.45;
  min-height: 44px;
  transition: all 0.15s;
}
.toc-panel a:hover, .toc-panel a.active {
  background: #f0f5ff;
  color: var(--navy);
}
.toc-panel .toc-H1 { font-weight: 700; font-size: 14px; }
.toc-panel .toc-H2 { padding-left: 18px; font-size: 12.5px; color: #4b5563; }
.toc-panel .toc-H3 { padding-left: 34px; font-size: 11.5px; color: var(--muted); }

/* ---------- 页面容器 ---------- */
.pages-area {
  flex: 0 0 auto;
  width: 210mm;
  background: var(--bg);
  padding: 24px 0 60px 0;
  min-height: 100vh;
}

.page {
  width: 210mm;
  min-height: 297mm;
  margin: 0 auto 16px auto;
  background: var(--paper);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 22mm 22mm 18mm 22mm;
  box-sizing: border-box;
  position: relative;
  color: var(--text);
  font-family: "Songti SC", "STSong", "SimSun", "PingFang SC", "Microsoft YaHei", serif;
  font-size: 11.5pt;
  line-height: 1.85;
}
.page:last-child { margin-bottom: 0; }

.doc-header {
  border-bottom: 2px solid var(--navy);
  padding-bottom: 8px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.doc-header .doc-title {
  font-size: 11pt; color: var(--navy);
  font-weight: 700; letter-spacing: 1.5pt;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.doc-header .doc-meta {
  font-size: 10pt; color: var(--muted);
  letter-spacing: 1pt;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

.doc-footer {
  position: absolute;
  bottom: 12mm; left: 22mm; right: 22mm;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 9pt; color: var(--muted);
  letter-spacing: 0.5pt;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ---------- 正文排版 ---------- */
.page h1, .page h2, .page h3, .page h4 {
  color: var(--navy);
  font-weight: 700;
  text-indent: 0;
  letter-spacing: 1pt;
  scroll-margin-top: 24px;
}
.page h1 {
  font-size: 22pt;
  margin: 0 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--navy);
}
.page h2 {
  font-size: 16pt;
  margin: 18px 0 12px 0;
  padding-left: 12px;
  border-left: 5px solid var(--gold);
}
.page h3 {
  font-size: 12.5pt;
  margin: 16px 0 8px 0;
}
.page h4 {
  font-size: 11.5pt;
  margin: 12px 0 6px 0;
}

.page p {
  text-indent: 2em;
  margin-bottom: 10px;
  text-align: justify;
  position: relative;
  overflow-wrap: break-word;
}
.page p.no-indent { text-indent: 0; }

.page a { color: var(--navy); text-decoration: underline; text-underline-offset: 2px; }
.page strong { color: var(--navy); font-weight: 700; }
.page img { max-width: 100%; height: auto; }

.page ul, .page ol {
  margin: 8px 0 12px 2em;
  padding: 0;
}
.page li {
  margin-bottom: 4px;
  text-align: justify;
  text-indent: 0;
}

.page code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: Consolas, monospace;
  font-size: 10pt;
}
.page pre {
  background: #f8f8f8;
  padding: 14px;
  border-radius: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 9.5pt;
  text-indent: 0;
}
.page pre code { background: none; padding: 0; }

.page blockquote {
  border-left: 4px solid var(--gold);
  background: var(--anno-bg);
  padding: 12px 18px;
  margin: 12px 0;
  border-radius: 0 6px 6px 0;
  color: #3a4256;
  text-indent: 0;
}
.page blockquote p { text-indent: 0; margin-bottom: 6px; }
.page blockquote p:last-child { margin-bottom: 0; }

.page hr {
  border: none;
  border-top: 1px solid #d8dde5;
  margin: 16px 0;
}

/* ---------- 表格 ---------- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 12px 0;
}
.page table {
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  margin: 0;
  font-size: 10pt;
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.page thead th {
  background: var(--navy);
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 10pt;
  letter-spacing: 0.5pt;
}
.page thead th strong { color: #fff; }
.page tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid #e8ecf2;
  vertical-align: top;
  text-indent: 0;
}
.page tbody tr:last-child td { border-bottom: 1px solid var(--navy); }
.page tbody tr:nth-child(even) td { background: #fafbfc; }
.page th, .page td { border-left: none; border-right: none; }

/* ---------- 注释系统 ---------- */
.anno-term {
  color: var(--navy);
  border-bottom: 1px dashed var(--gold);
  cursor: pointer;
  padding: 0 2px;
  border-radius: 2px;
  transition: background 0.15s;
  text-indent: 0;
  display: inline;
}
.anno-term:hover, .anno-term.active { background: var(--anno-bg); }

.anno-inline {
  margin: 10px 0 16px 0;
  padding: 14px 16px;
  background: var(--anno-bg);
  border: 1px solid var(--anno-border);
  border-radius: 8px;
  font-size: 10.5pt;
  line-height: 1.7;
  display: none;
  text-indent: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-wrap: break-word;
  word-break: normal;
}
.anno-inline.open { display: block; }

#mobileInlineCard {
  display: none;
  margin: 10px 0 16px 0;
  padding: 14px 16px;
  background: var(--anno-bg);
  border: 1px solid var(--anno-border);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  font-size: 10.5pt;
  line-height: 1.7;
  text-indent: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
#mobileInlineCard.open { display: block; }
#mobileInlineCard h4 { margin: 0 0 8px 0; font-size: 11pt; color: var(--navy); }
.anno-inline h4 { margin: 0 0 8px 0; font-size: 11pt; color: var(--navy); }
.anno-inline .refs {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid var(--anno-border);
  font-size: 9.5pt; color: var(--muted);
}
.anno-inline .refs ul { margin: 0; padding-left: 1.4em; }
.anno-inline .refs li { overflow-wrap: break-word; }

.anno-empty { color: var(--muted); font-size: 13px; line-height: 1.7; }
.anno-content {
  counter-reset: anno-card;
  position: relative;
  overflow-wrap: break-word;
  word-break: normal;
}
.anno-content h4 { margin: 0 0 10px 0; font-size: 15px; color: var(--navy); font-weight: 700; }
.anno-content p { margin: 0.6em 0; font-size: 13.5px; line-height: 1.7; text-indent: 0; overflow-wrap: break-word; }
.anno-content .refs {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--muted);
}
.anno-content .refs ul { margin: 0; padding-left: 1.4em; }
.anno-content .refs li { overflow-wrap: break-word; }

.anno-card {
  padding: 14px 16px; margin-bottom: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-top: 2px solid var(--border);
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  position: absolute;
  left: 0; right: 0; top: 0;
  overflow-wrap: break-word;
  word-break: normal;
}
.anno-card::before {
  content: ''; position: absolute; left: 0; top: -2px;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--gold) 0, var(--gold) 40px, var(--border) 40px, var(--border) 100%);
}
.anno-card::after {
  content: counter(anno-card); counter-increment: anno-card;
  position: absolute; top: 6px; right: 10px;
  font-size: 10px; color: var(--muted); font-weight: 700;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.anno-card:hover { background: #fffbf5; }
.anno-card.active {
  background: var(--anno-bg);
  border-color: var(--anno-border);
  border-top-color: var(--gold);
  box-shadow: 0 2px 8px rgba(30,58,95,0.08);
}
.anno-card.active::before { background: var(--gold); }
.anno-card h4 { margin: 0 0 8px 0; font-size: 13px; color: var(--navy); }
.anno-card p { margin: 0; font-size: 12.5px; line-height: 1.65; text-indent: 0; color: var(--text); overflow-wrap: break-word; }
.anno-card .refs {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 11.5px; color: var(--muted);
}
.anno-card .refs ul { margin: 0; padding-left: 1.2em; }
.anno-card .refs li { overflow-wrap: break-word; }

.anno-type {
  display: inline-block; font-size: 10px; font-weight: 600;
  padding: 2px 7px; border-radius: 4px; margin-right: 6px;
  text-transform: uppercase; letter-spacing: 0.5px; vertical-align: middle;
}
.anno-type.thought { background: #f3e8ff; color: #6b21a8; }
.anno-type.policy { background: #dbeafe; color: #1e40af; }
.anno-type.term { background: #dcfce7; color: #166534; }
.anno-type.event { background: #fee2e2; color: #991b1b; }
.anno-type.demo { background: #fef3c7; color: #92400e; }
.anno-type.paragraph { background: #f3f4f6; color: #4b5563; }

.page p[data-para-anno] { position: relative; }
.page p[data-para-anno]::after {
  content: ''; position: absolute; right: 0; top: 4px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold); opacity: 0.5;
}
.page p[data-para-anno]:hover, .page p[data-para-anno].active {
  background: rgba(184, 134, 11, 0.06); border-radius: 4px;
}
.page p[data-para-anno]:hover::after, .page p[data-para-anno].active::after { opacity: 1; }

/* ---------- 入口页 ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0, var(--navy-light) 100%);
  color: #fff; padding: 60px 20px; text-align: center;
}
.hero h1 { font-size: 28px; margin-bottom: 12px; }
.hero p { font-size: 15px; opacity: 0.9; max-width: 600px; margin: 0 auto; }
.grid {
  max-width: 1200px; margin: 0 auto;
  padding: 30px 20px 60px;
}
.category-section { margin-bottom: 48px; }
.category-header {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--navy);
}
.category-header h2 {
  font-size: 22px; color: var(--navy); font-weight: 700;
}
.category-header p {
  color: var(--muted); font-size: 14px; margin-top: 4px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.empty-card {
  background: #fafbfc;
  border: 1px dashed var(--border);
  opacity: 0.75;
}
.empty-card h2 { color: var(--muted); font-size: 16px; }
.card {
  background: #fff; border-radius: 10px; padding: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  text-decoration: none; color: var(--text);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 6px 20px rgba(0,0,0,0.1); }
.card h2 { font-size: 18px; color: var(--navy); margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14px; line-height: 1.6; flex: 1; }
.card .meta { margin-top: 14px; display: flex; align-items: center; justify-content: space-between; }
.card .tag {
  display: inline-block; background: #eef2f7; color: var(--navy);
  padding: 3px 10px; border-radius: 4px; font-size: 12px;
}
.card .arrow { color: var(--gold); font-size: 13px; }
.mode-links { display: inline-flex; gap: 8px; align-items: center; }
.mode-link {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 12px; font-weight: 600;
  text-decoration: none;
  background: #f0f5ff; color: var(--navy);
  border: 1px solid #dbe4f3;
  transition: background 0.15s, border-color 0.15s;
}
.mode-link:hover { background: #e0ecff; border-color: var(--navy-light); }
.mode-link.clean { background: #f8f9fa; color: #4b5563; border-color: #e0e3e8; }
.mode-link.clean:hover { background: #f0f2f5; border-color: #c0c7d0; }
.entrance-footer {
  text-align: center; color: var(--muted); font-size: 13px;
  padding: 30px 20px; border-top: 1px solid var(--border);
}

/* ---------- 普通文章 ---------- */
.article-app main {
  max-width: 1100px; margin: 0 auto;
  padding: 88px 20px 60px;
}
.article-app article {
  background: var(--paper); padding: 36px 40px;
  border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.article-app article h1 {
  font-size: 28px; color: var(--navy);
  border-bottom: 2px solid var(--navy);
  padding-bottom: 12px; margin-bottom: 24px; line-height: 1.4;
}
.article-app article h2 {
  font-size: 20px; color: var(--navy); margin-top: 32px; margin-bottom: 12px;
  padding-left: 12px; border-left: 4px solid var(--gold);
}
.article-app article h3 {
  font-size: 17px; color: var(--navy); margin-top: 24px; margin-bottom: 10px;
}
.article-app article p {
  text-indent: 2em; margin-bottom: 12px; text-align: justify; overflow-wrap: break-word;
}
.article-app article ul, .article-app article ol { margin: 12px 0 12px 2em; }
.article-app article li { margin-bottom: 6px; text-align: justify; }
.article-app article strong { color: var(--navy); }
.article-app article a { color: var(--navy); text-underline-offset: 2px; }
.article-app article img { max-width: 100%; height: auto; display: block; margin: 16px auto; }
.article-app article blockquote {
  border-left: 4px solid var(--gold); background: var(--anno-bg);
  padding: 14px 18px; margin: 16px 0; border-radius: 0 8px 8px 0;
}
.article-app article blockquote p { text-indent: 0; }
.article-app article code { background: var(--code-bg); padding: 2px 6px; border-radius: 3px; font-family: Consolas, monospace; font-size: 0.9em; }
.article-app article pre { background: #f8f8f8; padding: 14px; border-radius: 6px; overflow-x: auto; font-size: 0.9em; margin: 16px 0; }
.article-app article pre code { background: none; padding: 0; }
.article-app article table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.95em; }
.article-app .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0;
}
.article-app .table-wrap table { min-width: 100%; margin: 0; }
.article-app article th { background: var(--navy); color: #fff; padding: 10px 12px; text-align: left; }
.article-app article td { padding: 9px 12px; border-bottom: 1px solid #e8ecf2; vertical-align: top; }
.article-app article tr:nth-child(even) td { background: #fafbfc; }
.article-app article tbody tr:last-child td { border-bottom: 1px solid var(--navy); }
.article-app footer { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 0; }
.back-float {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 20px;
  box-shadow: 0 2px 10px rgba(30,58,95,0.3);
  z-index: 200;
  transition: background 0.15s, transform 0.15s;
}
.back-float:hover { background: var(--navy-light); transform: translateY(-2px); }
.article-app .placeholder { text-align: center; padding: 60px 20px; color: var(--muted); }
.article-app .placeholder h1 { font-size: 24px; color: var(--navy); margin-bottom: 16px; }

/* ---------- 状态提示 ---------- */
.loading, .error {
  text-align: center; padding: 80px 20px; color: var(--muted);
}
.loading-spinner {
  width: 40px; height: 40px; margin: 0 auto 16px;
  border: 3px solid var(--border); border-top-color: var(--navy);
  border-radius: 50%; animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 打印 ---------- */
@media print {
  body { background: #fff; }
  .top-bar, .toc-panel, .anno-panel { display: none !important; }
  .layout { display: block; }
  .pages-area { margin: 0; padding: 0; background: #fff; }
  .page { width: 100%; box-shadow: none; margin: 0; padding: 18mm 18mm 14mm 18mm; page-break-after: always; }
  .page:last-child { page-break-after: auto; }
  .anno-inline { break-inside: avoid; }
  .page h2, .page h3 { break-after: avoid; }
  .page table, .page blockquote, .page pre { break-inside: avoid; }
  .article-app main { padding: 0; max-width: 100%; }
  .article-app article { box-shadow: none; padding: 18mm 18mm 14mm 18mm; }
}

/* ---------- 移动端 ---------- */
@media (max-width: 1200px) {
  html, body { width: 100%; max-width: 100vw; overflow-x: hidden; }
  .top-bar { display: flex; }
  #annoBtn { display: none; }
  .mode-toggle { font-size: 12px; padding: 6px 8px; min-width: auto; white-space: nowrap; }
  .top-bar .site-title { margin: 0 auto; }
  .layout {
    display: block; width: 100%; max-width: 100vw;
    padding: 0; overflow-x: hidden;
  }
  .toc-panel, .anno-panel {
    position: fixed; top: 52px; left: 0; bottom: 0;
    width: 80%; max-width: 320px; height: auto;
    transform: translateX(-105%);
    box-shadow: 2px 0 12px rgba(0,0,0,0.12);
    z-index: 200; opacity: 0; pointer-events: none;
    transition: transform 0.25s ease, opacity 0.2s ease;
  }
  .anno-panel { display: none; transform: none; }
  .toc-panel.open { transform: translateX(0); opacity: 1; pointer-events: auto; }
  .pages-area {
    flex: none; width: 100% !important; max-width: 100vw !important;
    overflow-x: hidden; margin: 0; padding: 60px 0 40px 0;
  }
  .page {
    width: 100% !important; max-width: 100vw !important;
    padding: 14px 16px 50px 16px; box-shadow: 0 1px 6px rgba(0,0,0,0.06);
    margin-bottom: 12px; font-size: 16px; line-height: 1.85;
    overflow-x: hidden; overflow-wrap: break-word; word-wrap: break-word;
    word-break: break-word; box-sizing: border-box !important;
  }
  .page h1, .page h2, .page h3, .page h4, .page p, .page li {
    overflow-wrap: break-word; word-wrap: break-word; word-break: break-word; max-width: 100%;
  }
  .doc-header { display: none; }
  .doc-footer { left: 18px; right: 18px; bottom: 14px; }
  .page h1 { font-size: 1.7em; }
  .page h2 { font-size: 1.3em; }
  .page h3 { font-size: 1.1em; }
  .page table { font-size: 0.9em; }
  .page p[data-para-anno] { background: rgba(184, 134, 11, 0.10); border-radius: 4px; }
  .page p[data-para-anno]::after { opacity: 0.9; width: 7px; height: 7px; right: 4px; }
  .anno-term { border-bottom-width: 2px; background: rgba(184, 134, 11, 0.08); padding: 1px 3px; border-radius: 3px; }
  .anno-term.anno-term-dup { border-bottom: none; cursor: default; background: transparent; }
  .anno-term.anno-term-dup:hover, .anno-term.anno-term-dup.active { background: transparent; }
}

@media (max-width: 640px) {
  .hero { padding: 48px 16px; }
  .hero h1 { font-size: 22px; }
  .hero p { font-size: 14px; }
  .grid { padding: 20px 12px 40px; }
  .category-grid { grid-template-columns: 1fr; gap: 16px; }
  .category-header h2 { font-size: 18px; }
  .card { padding: 18px; }
  .article-app main { padding: 76px 12px 40px; }
  .article-app article { padding: 24px 18px; }
  .article-app article h1 { font-size: 22px; }
  .article-app article h2 { font-size: 18px; }
  .article-app article h3 { font-size: 16px; }
  .article-app article p { text-indent: 1.5em; }
  .article-app article table { font-size: 0.85em; }
  .article-app .table-wrap th,
  .article-app .table-wrap td { white-space: nowrap; }
  .back-float { bottom: 16px; right: 16px; width: 44px; height: 44px; font-size: 18px; }
}