/* SEO 知识库 · 技术文档风格（明暗双色 / 紧凑） */
:root {
  color-scheme: light;
  --vp-nav-height: 56px;
  --vp-c-brand: #3b82f6;
  --vp-c-brand-2: #2563eb;
  --vp-c-brand-soft: rgba(59, 130, 246, 0.1);
  --vp-c-active: #059669;
  --vp-c-active-soft: #ecfdf5;
  --vp-c-active-text: #065f46;
  --vp-c-bg: #ffffff;
  --vp-c-bg-soft: #f8fafc;
  --vp-c-bg-elevated: #ffffff;
  --vp-c-bg-code: #1e293b;
  --vp-c-divider: #e2e8f0;
  --vp-c-text-1: #0f172a;
  --vp-c-text-2: #334155;
  --vp-c-text-3: #64748b;
  --vp-nav-bg: rgba(255, 255, 255, 0.96);
  --vp-hover-overlay: rgba(0, 0, 0, 0.03);
  --vp-hover-elevated: rgba(255, 255, 255, 0.7);
  --vp-summary-open-bg: #f1f5f9;
  --vp-nav-loc-accent: #94a3b8;
  --vp-code-inline-bg: #f1f5f9;
  --vp-code-inline-fg: #475569;
  --vp-blockquote-bg: #eff6ff;
  --vp-blockquote-border: #bfdbfe;
  --vp-blockquote-accent: #3b82f6;
  --vp-table-row-hover: #fafbfc;
  --vp-em-color: #6d28d9;
  --doc-h1: #0369a1;
  --doc-h2: #be185d;
  --doc-h3: #b45309;
  --doc-h4: #047857;
  --doc-h5: #c2410c;
  --doc-link: #2563eb;
  --doc-strong: #92400e;
  --sb: 260px;
  --rail: 176px;
}

html.dark {
  color-scheme: dark;
  --vp-c-brand: #60a5fa;
  --vp-c-brand-2: #3b82f6;
  --vp-c-brand-soft: rgba(96, 165, 250, 0.15);
  --vp-c-active: #34d399;
  --vp-c-active-soft: rgba(52, 211, 153, 0.12);
  --vp-c-active-text: #6ee7b7;
  --vp-c-bg: #0f172a;
  --vp-c-bg-soft: #1e293b;
  --vp-c-bg-elevated: #1e293b;
  --vp-c-bg-code: #020617;
  --vp-c-divider: #334155;
  --vp-c-text-1: #f1f5f9;
  --vp-c-text-2: #cbd5e1;
  --vp-c-text-3: #94a3b8;
  --vp-nav-bg: rgba(15, 23, 42, 0.92);
  --vp-hover-overlay: rgba(255, 255, 255, 0.06);
  --vp-hover-elevated: rgba(30, 41, 59, 0.9);
  --vp-summary-open-bg: #334155;
  --vp-nav-loc-accent: #64748b;
  --vp-code-inline-bg: #1e293b;
  --vp-code-inline-fg: #cbd5e1;
  --vp-blockquote-bg: rgba(59, 130, 246, 0.1);
  --vp-blockquote-border: #334155;
  --vp-blockquote-accent: #60a5fa;
  --vp-table-row-hover: rgba(255, 255, 255, 0.03);
  --vp-em-color: #a78bfa;
  --doc-h1: #38bdf8;
  --doc-h2: #f472b6;
  --doc-h3: #fbbf24;
  --doc-h4: #34d399;
  --doc-h5: #fb923c;
  --doc-link: #60a5fa;
  --doc-strong: #fbbf24;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--vp-nav-height) + 12px);
  scrollbar-gutter: stable;
}

body {
  background: var(--vp-c-bg);
  color: var(--vp-c-text-2);
  font: 14px/1.65 "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

html.access-pending body {
  visibility: hidden;
}

html.access-pending body .access-gate {
  visibility: visible;
}

/* ========== 全站访问验证 ========== */
.access-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--vp-c-bg);
  color: var(--vp-c-text-2);
}

.access-gate-card {
  width: min(400px, 100%);
  padding: 28px 24px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 10px;
  background: var(--vp-c-bg-elevated);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

html.dark .access-gate-card {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.access-gate-eyebrow {
  font-size: 12px;
  color: var(--vp-c-text-3);
  margin-bottom: 6px;
}

.access-gate-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--vp-c-text-1);
  margin-bottom: 8px;
}

.access-gate-lede {
  font-size: 13px;
  line-height: 1.6;
  color: var(--vp-c-text-2);
  margin-bottom: 18px;
}

.access-gate-form .sf-field {
  margin-bottom: 14px;
}

.sf-status.sf-error {
  color: #dc2626;
}

html.dark .sf-status.sf-error {
  color: #f87171;
}

/* ========== 顶栏 ========== */
.vp-nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--vp-nav-height);
  z-index: 50;
  background: var(--vp-nav-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--vp-c-divider);
}

.vp-nav-inner {
  height: 100%;
  padding: 0 20px 0 calc(var(--sb) + 4px);
  display: flex;
  align-items: center;
  gap: 12px;
}

.vp-nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--vp-c-text-1);
  font-size: 14px;
  font-weight: 600;
}

.vp-nav-logo { flex: none; border-radius: 4px; }

.vp-brand-icon {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.vp-brand-icon[hidden] { display: none !important; }

.vp-brand-icon img {
  object-fit: cover;
  border-radius: 4px;
}

.vp-nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.vp-settings-link {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  color: var(--vp-c-text-3);
  font-size: 12px;
  text-decoration: none;
}

.vp-settings-link:hover,
.vp-settings-link.is-active {
  color: var(--vp-c-text-1);
  border-color: var(--vp-c-divider);
  background: var(--vp-c-bg-soft);
}

.vp-theme-btn,
.vp-search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-3);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  line-height: 1;
}

.vp-theme-btn {
  min-width: 34px;
  padding: 5px 8px;
  font-size: 15px;
}

.vp-theme-btn:hover,
.vp-search-btn:hover {
  border-color: var(--vp-c-text-3);
  color: var(--vp-c-text-2);
}

.vp-theme-btn .theme-icon-dark { display: none; }
html.dark .vp-theme-btn .theme-icon-light { display: none; }
html.dark .vp-theme-btn .theme-icon-dark { display: inline; }

.vp-search-btn span { font-size: 12px; }

.vp-search-btn:hover { border-color: var(--vp-c-text-3); color: var(--vp-c-text-2); }

.vp-search-btn kbd {
  font-family: ui-monospace, monospace;
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg-elevated);
}

/* ========== 侧栏 ========== */
.sidebar {
  position: fixed;
  top: var(--vp-nav-height);
  left: 0;
  bottom: 0;
  width: var(--sb);
  z-index: 40;
  background: var(--vp-c-bg-soft);
  border-right: 1px solid var(--vp-c-divider);
  display: flex;
  flex-direction: column;
}

.sidebar .brand { display: none; }

.filter {
  margin: 10px 10px 6px;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--vp-c-bg-elevated);
  border: 1px solid var(--vp-c-divider);
  color: var(--vp-c-text-1);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

.filter:focus {
  border-color: var(--vp-c-brand);
  box-shadow: 0 0 0 2px var(--vp-c-brand-soft);
}

.filter::placeholder { color: var(--vp-c-text-3); }

.sidebar nav {
  flex: 1;
  overflow-y: auto;
  padding: 2px 8px 20px;
}

.grp > summary {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 6px;
  margin-top: 8px;
  cursor: pointer;
  border-radius: 4px;
  list-style: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--vp-c-text-1);
  user-select: none;
}

.grp:first-child > summary { margin-top: 2px; }
.grp > summary::-webkit-details-marker { display: none; }

.grp > summary::after {
  content: "";
  margin-left: auto;
  width: 9px;
  height: 9px;
  opacity: 0.4;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform 0.12s;
}

.grp[open] > summary::after { transform: rotate(180deg); }

html.dark .grp > summary::after { filter: invert(0.75); }
.grp > summary:hover { color: var(--vp-c-text-1); background: var(--vp-hover-overlay); }

/* 展开中的分组标题：中性灰底 */
.grp[open] > summary {
  color: var(--vp-c-text-1);
  background: var(--vp-summary-open-bg);
}

.grp.has-cur > summary {
  color: var(--vp-c-text-1);
  background: var(--vp-summary-open-bg);
  border-left: 2px solid var(--vp-nav-loc-accent);
  padding-left: 4px;
}

.grp.has-cur > summary .gl { font-weight: 700; }

.grp.has-cur > summary .gn {
  color: var(--vp-c-text-2);
  font-weight: 600;
}

.grp > summary .gl {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gn { font-size: 11px; color: var(--vp-c-text-3); }

.grp ol { list-style: none; padding: 0 0 2px; }

.grp li a {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 5px 8px 5px 10px;
  margin: 0;
  border-radius: 4px;
  border-left: 2px solid transparent;
  color: var(--vp-c-text-2);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.4;
}

.grp li a:hover { color: var(--vp-c-text-1); background: var(--vp-hover-elevated); }

.grp .num {
  flex: none;
  display: inline-block;
  min-width: 1.4em;
  margin-top: 1px;
  color: var(--vp-c-text-3);
  font-size: 11px;
  font-family: ui-monospace, monospace;
  line-height: 1.4;
  text-align: right;
}

.grp .nav-t {
  flex: 1;
  min-width: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.grp.authored .num { display: none; }

/* 阶段 9 · 实战：嵌套子分组 */
.grp-sub {
  margin: 2px 0 4px;
  border-left: 2px solid var(--vp-c-divider);
}

.grp-sub > summary {
  margin-top: 4px;
  padding: 4px 6px 4px 8px;
  font-size: 11px;
  font-weight: 600;
}

.grp-sub > summary::after {
  width: 8px;
  height: 8px;
}

.grp-sub > summary .gn {
  font-size: 10px;
}

.grp-sub ol {
  padding-left: 4px;
}

.grp-sub li a {
  font-size: 12px;
  padding-left: 8px;
}

#g9 > summary .gl {
  font-weight: 700;
}

.grp-sub.has-cur > summary {
  color: var(--vp-c-active-text);
  background: var(--vp-c-active-soft);
}

/* 当前页条目：绿色高亮，与分组标题区分 */
.grp li.cur > a {
  color: var(--vp-c-active-text);
  background: var(--vp-c-active-soft);
  border-left: 3px solid var(--vp-c-active);
  font-weight: 600;
}

.grp li.cur .num {
  color: var(--vp-c-active);
  font-weight: 600;
}

.grp li.hide, .grp.hide { display: none; }

/* ========== 主内容 ========== */
.main {
  margin-left: var(--sb);
  margin-top: var(--vp-nav-height);
  padding: 16px 28px 48px;
  min-height: calc(100vh - var(--vp-nav-height));
}

body.has-rail .main { margin-right: var(--rail); }

.doc, .hero, .grid, .grp-h, .grp-note {
  max-width: 720px;
  margin-inline: auto;
}

body.has-rail .doc,
body.has-rail .hero-banner {
  max-width: min(820px, calc(100vw - var(--sb) - var(--rail) - 72px));
}

.eyebrow {
  font-size: 12px;
  color: var(--vp-c-text-3);
  margin-bottom: 4px;
  line-height: 1.4;
}

.eyebrow a { color: var(--vp-c-text-3); text-decoration: none; }
.eyebrow a:hover { color: var(--vp-c-brand); }

.page-title {
  font-size: 22px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--vp-c-text-1);
  letter-spacing: -0.01em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--vp-c-divider);
  margin-bottom: 10px;
}

.lede {
  margin-top: 0;
  font-size: 14px;
  color: var(--vp-c-text-2);
  line-height: 1.65;
}

.lede b { color: var(--doc-strong); font-weight: 600; }

.src {
  margin-top: 10px;
  font-size: 12px;
  color: var(--vp-c-text-3);
  line-height: 1.6;
}

.src a { color: var(--doc-link); text-decoration: none; }

body.is-index .hero-banner { display: none; }

.hero-banner {
  max-width: 720px;
  margin: 0 auto 20px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  overflow: hidden;
}

/* ========== 右侧目录 ========== */
.rail {
  position: fixed;
  top: var(--vp-nav-height);
  right: 0;
  width: var(--rail);
  height: calc(100vh - var(--vp-nav-height));
  z-index: 30;
  padding: 20px 12px 32px 10px;
  overflow-y: auto;
  border-left: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg);
}

.rail-t {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--vp-c-text-3);
  margin-bottom: 6px;
}

.rail ul { list-style: none; }
.rail a {
  display: block;
  padding: 2px 0 2px 10px;
  border-left: 2px solid transparent;
  color: var(--vp-c-text-3);
  text-decoration: none;
  font-size: 12px;
  line-height: 1.5;
}

.rail .l2 a { padding-left: 16px; font-size: 11px; }
.rail a.on { color: var(--vp-c-brand-2); border-left-color: var(--vp-c-brand); font-weight: 500; }

.ed-badge {
  font-size: 11px;
  color: var(--vp-c-brand-2);
  background: var(--vp-c-brand-soft);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 3px;
  padding: 0 6px;
}

/* ========== 首页目录 ========== */
.grp-h {
  margin: 28px auto 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--vp-c-text-1);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--vp-c-divider);
}

.grp-h .gn {
  margin-left: 6px;
  font-size: 12px;
  font-weight: 400;
  color: var(--vp-c-text-3);
}

.grp-sub-h {
  margin: 16px 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--vp-c-text-1);
  padding-bottom: 4px;
  border-bottom: 1px dashed var(--vp-c-divider);
}

.index-phase9 .index-sub-block:first-of-type .grp-sub-h,
.index-appendix .index-sub-block:first-of-type .grp-sub-h {
  margin-top: 8px;
}

.grp-note {
  margin: 4px auto 8px;
  font-size: 12px;
  color: var(--vp-c-text-3);
  line-height: 1.55;
}

/* 首页：分组纵向排列，组内卡片双列 */
body.is-index .main {
  max-width: 960px;
  padding-left: 24px;
  padding-right: 24px;
}

body.is-index .hero,
body.is-index .hero-banner {
  max-width: none;
  margin-inline: 0;
}

body.is-index .index-sections {
  max-width: none;
  margin-inline: 0;
}

body.is-index .index-block {
  margin-bottom: 24px;
}

body.is-index .index-block:last-child {
  margin-bottom: 0;
}

body.is-index .index-block .grp-h {
  margin: 0 0 4px;
  max-width: none;
}

body.is-index .index-block .grp-note {
  margin: 0 0 10px;
  max-width: none;
}

body.is-index .index-block .grid {
  max-width: none;
  margin-inline: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  overflow: hidden;
  background: var(--vp-c-bg-elevated);
}

body.is-index .index-block .card {
  border: none;
  border-bottom: 1px solid var(--vp-c-divider);
  border-right: 1px solid var(--vp-c-divider);
  border-radius: 0;
  margin: 0;
}

body.is-index .index-block .card:nth-child(2n) {
  border-right: none;
}

body.is-index .index-block .card:nth-last-child(-n+2) {
  border-bottom: none;
}

body.is-index .index-block .card:last-child {
  border-bottom: none;
}

.grid {
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  overflow: hidden;
}

.card {
  display: block;
  padding: 7px 12px;
  text-decoration: none;
  background: var(--vp-c-bg-elevated);
  border-bottom: 1px solid var(--vp-c-divider);
  transition: background 0.1s;
}

.card:last-child { border-bottom: none; }
.card:hover { background: var(--vp-c-bg-soft); }

.card-n { display: none; }

.card-b h3 {
  font-size: 13px;
  font-weight: 500;
  color: var(--vp-c-text-1);
  line-height: 1.45;
}

.card:hover h3 { color: var(--vp-c-brand-2); }
.card-b p { display: none; }

/* ========== 正文（紧凑排版） ========== */
.body {
  line-height: 1.58;
  font-size: 14px;
}

.body > :first-child { margin-top: 0 !important; }

.body h1, .body h2, .body h3, .body h4, .body h5, .body h6 {
  line-height: 1.3;
  font-weight: 600;
  scroll-margin-top: calc(var(--vp-nav-height) + 12px);
}

.body h1 {
  margin: 18px 0 6px;
  font-size: 17px;
  color: var(--doc-h1);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--vp-c-divider);
}

.body h2 {
  margin: 16px 0 4px;
  font-size: 15px;
  color: var(--doc-h2);
}

.body h3 {
  margin: 14px 0 3px;
  font-size: 14px;
  color: var(--doc-h3);
}

.body h4 {
  margin: 8px 0 2px;
  font-size: 13px;
  color: var(--doc-h4);
}

.body h5, .body h6 {
  margin: 8px 0 2px;
  font-size: 13px;
  color: var(--doc-h5);
}

/* 相邻块收紧：定义 → 段落 → 列表 */
.body h3 + h4,
.body h2 + h3,
.body h4 + h4 { margin-top: 6px; }

.body h3 + p,
.body h4 + p,
.body h4 + ul,
.body h4 + ol,
.body p + ul,
.body p + ol { margin-top: 3px; }

.body h2[id*="课堂实操"],
.body h2[id*="考核自检"],
.body h2[id*="配套精读"] {
  margin-top: 16px;
  margin-bottom: 4px;
  padding: 5px 8px;
  border-radius: 4px;
  background: var(--vp-c-bg-soft);
  border-left: 3px solid var(--vp-c-brand);
}

.ah {
  margin-left: 4px;
  color: var(--vp-c-text-3);
  text-decoration: none;
  font-weight: 400;
  opacity: 0;
  font-size: 0.85em;
}

.body h1:hover .ah, .body h2:hover .ah, .body h3:hover .ah,
.body h4:hover .ah { opacity: 1; }

.body p { margin: 5px 0; }

.body p + p { margin-top: 4px; }

/* 连续短行 → 语义列表（构建期 structure_body，长期方案） */
.body .line-list {
  margin: 4px 0 8px;
  padding-left: 1.25em;
  columns: 2;
  column-gap: 22px;
}

.body .line-list.compact {
  columns: 3;
}

.body .line-list li {
  margin: 2px 0;
  font-size: 13px;
  line-height: 1.45;
  break-inside: avoid;
}

.body .flow-chain {
  list-style: none;
  padding: 0;
  margin: 6px 0 10px;
  max-width: 360px;
}

.body .flow-chain li {
  margin: 0;
  padding: 4px 10px;
  font-size: 13px;
  line-height: 1.45;
  background: var(--vp-c-bg-soft);
  border: 1px solid var(--vp-c-divider);
  border-radius: 4px;
}

.body .flow-chain .flow-arrow {
  padding: 0;
  border: none;
  background: none;
  text-align: center;
  color: var(--vp-c-text-3);
  font-size: 12px;
  line-height: 1.2;
}

.body.doc-outline .line-list + h2,
.body.doc-outline .line-list + h3,
.body.doc-outline h2 + .line-list,
.body.doc-outline h3 + .line-list {
  margin-top: 6px;
}

@media (max-width: 640px) {
  .body .line-list,
  .body .line-list.compact {
    columns: 1;
  }

  .body .flow-chain {
    max-width: none;
  }
}

.body strong { color: var(--doc-strong); font-weight: 600; }
.body em { color: var(--vp-em-color); font-style: normal; }

.body h1 strong, .body h2 strong, .body h3 strong,
.body h4 strong, .body h5 strong, .body h6 strong,
.body h1 em, .body h2 em, .body h3 em,
.body h4 em, .body h5 em, .body h6 em {
  color: inherit;
  font-weight: inherit;
}

.body a {
  color: var(--doc-link);
  text-decoration: none;
  word-break: break-word;
}

.body a:hover { text-decoration: underline; }

.body ul, .body ol {
  margin: 4px 0 6px;
  padding-left: 1.25em;
}

.body li {
  margin: 1px 0;
  line-height: 1.55;
}

.body li p { margin: 2px 0; }
.body li::marker { color: var(--vp-c-text-3); }

.body code {
  background: var(--vp-code-inline-bg);
  border: 1px solid var(--vp-c-divider);
  border-radius: 3px;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
  color: var(--vp-code-inline-fg);
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
}

.body pre {
  margin: 8px 0;
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--vp-c-bg-code);
  overflow-x: auto;
}

.body pre code {
  display: block;
  background: none;
  border: 0;
  padding: 0;
  font-size: 12px;
  line-height: 1.5;
  color: #e2e8f0;
  white-space: pre;
  tab-size: 2;
}

.body blockquote {
  margin: 8px 0;
  padding: 6px 10px;
  border-radius: 4px;
  background: var(--vp-blockquote-bg);
  border: 1px solid var(--vp-blockquote-border);
  border-left: 3px solid var(--vp-blockquote-accent);
  color: var(--vp-c-text-2);
  font-size: 13px;
  line-height: 1.55;
}

.body blockquote::before { display: none; }
.body blockquote p { margin: 0; }

.tw {
  margin: 8px 0;
  overflow-x: auto;
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  font-size: 13px;
}

.body table { border-collapse: collapse; width: 100%; line-height: 1.5; }

.body th, .body td {
  padding: 8px 12px;
  text-align: left !important;
  vertical-align: top;
  border-bottom: 1px solid var(--vp-c-divider);
}

/* 首列用语短词不挤：按内容撑开，不换行 */
.body table th:first-child,
.body table td:first-child {
  white-space: nowrap;
  width: 1%;
  padding-right: 16px;
}

.body thead th {
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-1);
  font-weight: 600;
  font-size: 12px;
}

.body tbody tr:hover { background: var(--vp-table-row-hover); }
.body td strong { color: var(--doc-strong); }

.pager {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--vp-c-divider);
  display: flex;
  gap: 10px;
}

.pg {
  flex: 1;
  max-width: 48%;
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg-soft);
  font-size: 13px;
}

.pg:hover { border-color: var(--vp-c-brand); }
.pg span { display: block; font-size: 11px; color: var(--vp-c-text-3); margin-bottom: 2px; }
.pg b { font-weight: 500; color: var(--vp-c-text-1); line-height: 1.4; }
.pg:hover b { color: var(--vp-c-brand-2); }
.pg.next { text-align: right; margin-left: auto; }

.pdf-dl, .cta-row, .cta-pdf { display: none !important; }

/* ========== 站点设置页 ========== */
body.settings-only .main {
  margin-left: 0;
  max-width: 720px;
}

body.settings-only .vp-nav-inner { padding-left: 20px; }

.settings-gate {
  margin-top: 16px;
  max-width: 360px;
}

.settings-login {
  margin-top: 12px;
}

.sf-status.sf-error {
  color: #dc2626;
}

.settings-form {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sf-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: none;
  padding: 0;
  margin: 0;
}

.sf-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--vp-c-text-1);
}

.sf-field input[type="text"],
.sf-field input[type="search"],
.sf-field input[type="password"] {
  padding: 8px 10px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  background: var(--vp-c-bg-elevated);
  color: var(--vp-c-text-1);
}

.sf-field input:focus {
  outline: none;
  border-color: var(--vp-c-brand);
  box-shadow: 0 0 0 2px var(--vp-c-brand-soft);
}

.sf-hint {
  font-size: 12px;
  color: var(--vp-c-text-3);
  line-height: 1.45;
}

.sf-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--vp-c-text-2);
}

.sf-logo-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.sf-logo-preview,
.sf-preview-bar .vp-brand-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--vp-c-divider);
  border-radius: 8px;
  background: var(--vp-c-bg-elevated);
  flex: none;
}

.sf-logo-preview img,
.sf-preview-bar img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 6px;
}

.sf-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sf-btn {
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg-elevated);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.sf-btn.primary {
  background: var(--vp-c-brand);
  border-color: var(--vp-c-brand);
  color: #ffffff;
}

.sf-btn.primary:hover { background: var(--vp-c-brand-2); }

.sf-btn.ghost:hover { border-color: var(--vp-c-text-3); }

.sf-status {
  font-size: 13px;
  color: var(--vp-c-active);
}

.settings-preview {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--vp-c-divider);
}

.settings-preview h2 {
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--vp-c-text-1);
}

.sf-preview-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--vp-c-divider);
  border-radius: 8px;
  background: var(--vp-c-bg-soft);
  font-weight: 600;
}

.menu-btn, .backdrop { display: none; }

@media (max-width: 1280px) {
  .rail { display: none; }
  body.has-rail .main { margin-right: 0; }
}

@media (max-width: 960px) {
  .vp-nav-inner { padding-left: 48px; }
  .sidebar {
    top: 0;
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.2s;
    z-index: 60;
    padding-top: var(--vp-nav-height);
  }
  body.nav-open .sidebar { transform: none; }
  .main { margin-left: 0; padding: 16px; }
  .menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 70;
    width: 34px;
    height: 34px;
    border-radius: 6px;
    cursor: pointer;
    background: var(--vp-c-bg-elevated);
    border: 1px solid var(--vp-c-divider);
    font-size: 15px;
  }
  body.nav-open .backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(15, 23, 42, 0.35);
  }
  .pager { flex-direction: column; }
  .pg { max-width: none; }
  .pg.next { text-align: left; margin-left: 0; }
  body.is-index .index-block .grid {
    grid-template-columns: 1fr;
  }

  body.is-index .index-block .card {
    border-right: none !important;
  }

  body.is-index .index-block .card:not(:last-child) {
    border-bottom: 1px solid var(--vp-c-divider);
  }
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { background: var(--vp-c-text-3); border-radius: 3px; opacity: 0.5; }

@media print {
  .vp-nav, .sidebar, .rail, .pager, .menu-btn { display: none; }
  .main { margin: 0; padding: 0; }
}