/**
 * 百家姓静态 SEO 页 — 令牌对齐 mingyide-web/src/assets/styles/variables.scss
 * （独立拷贝，避免打包 Vue）
 */

:root {
  --mj-primary: #1b4b36;
  --mj-primary-dark: #153929;
  --mj-accent: #c4a052;
  --mj-bg: #f3f5f2;
  --mj-text: #262626;
  --mj-text-muted: #8c8c8c;
  --mj-white: #ffffff;
  --mj-separator: rgba(60, 60, 67, 0.1);
  --mj-shadow-header:
    0 1px 0 rgba(0, 0, 0, 0.04),
    0 1px 3px rgba(0, 0, 0, 0.06);
  --mj-shadow-card:
    6px 10px 24px rgba(21, 57, 41, 0.07),
    0 1px 0 rgba(255, 255, 255, 0.9) inset;
  --mj-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mj-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mj-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

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

html {
  font-size: 15px;
}

body {
  margin: 0;
  font-family: var(--mj-font);
  color: var(--mj-text);
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(27, 75, 54, 0.06), transparent),
    var(--mj-bg);
  line-height: 1.72;
}

a {
  color: var(--mj-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── 顶栏 ───────────────────────────────────────────────────────────── */
.site-header {
  background: var(--mj-white);
  box-shadow: var(--mj-shadow-header);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  border-bottom: 1px solid var(--mj-separator);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 44px;
  width: auto;
}

.main-menu {
  flex: 1;
  margin: 0 32px;
  display: flex;
  gap: 4px;
}

.menu-item {
  padding: 4px 12px;
  border-radius: 12px;
  color: var(--mj-text);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  position: relative;
  white-space: nowrap;
}

.menu-item:hover {
  background-color: var(--mj-bg);
  color: var(--mj-primary);
}

.menu-item--active {
  color: var(--mj-primary);
  font-weight: 600;
}

.menu-item--active::after {
  content: '';
  position: absolute;
  bottom: -11px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--mj-primary);
  border-radius: 1px;
}

.header-links-right {
  flex-shrink: 0;
}

.header-links-right .menu-item {
  display: inline-flex;
}

@media (max-width: 768px) {
  .main-menu {
    display: none;
  }

  .header-links-right {
    display: none;
  }
}

/* ── 主内容 ───────────────────────────────────────────────────────── */
.page-main {
  padding-top: 64px;
  min-height: calc(100vh - 140px + 64px);
}

.article-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.bjx-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

/* ── 词条页 / 索引页：与智能起名页一致的顶区 Banner ─────────────────── */
.bjx-page-main {
  background: linear-gradient(
    180deg,
    var(--mj-white) 0%,
    var(--mj-white) 90px,
    var(--mj-bg) 260px,
    var(--mj-bg) 100%
  );
}

.bjx-page-banner {
  padding: 22px 24px;
  background: linear-gradient(180deg, rgba(27, 75, 54, 0.03) 0%, var(--mj-white) 70%);
  margin: 0 0 20px;
  border-radius: 16px;
  border: 1px solid rgba(27, 75, 54, 0.1);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.06);
}

.bjx-page-banner .baijiaxing-breadcrumb {
  margin: 0 0 12px;
  opacity: 0.88;
}

.bjx-page-banner__main {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

@media (max-width: 768px) {
  .bjx-page-banner {
    padding: 16px 18px;
    border-radius: 14px;
  }

  .bjx-page-banner__main {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.bjx-page-banner__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--mj-text);
  margin: 0 0 8px;
  font-family: var(--mj-serif);
  letter-spacing: 0.02em;
}

.bjx-page-banner__lead {
  font-size: 14px;
  color: var(--mj-text-muted);
  line-height: 1.6;
  margin: 0;
  max-width: 50em;
}

.bjx-page-banner__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 12px;
}

.bjx-toolbar-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--mj-text-muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 6px;
  transition:
    color 0.2s,
    background 0.2s;
}

.bjx-toolbar-link:hover {
  color: var(--mj-primary);
  background: rgba(27, 75, 54, 0.06);
  text-decoration: none;
}

.bjx-page-banner__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 6px;
}

@media (max-width: 768px) {
  .bjx-page-banner__badges {
    justify-content: flex-start;
    padding-top: 0;
  }
}

.bjx-feature-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: rgba(27, 75, 54, 0.06);
  border: 1px solid rgba(27, 75, 54, 0.12);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--mj-primary);
}

/* ── 百家姓索引页：白卡片 + 首页风格米字格（纯 CSS） ───────────────── */
.bjx-index-card {
  background: var(--mj-white);
  border-radius: 16px;
  padding: 28px 28px 36px;
  border: 1px solid rgba(27, 75, 54, 0.08);
  box-shadow: var(--mj-shadow-card);
}

.bjx-index-module-head {
  text-align: center;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .bjx-index-module-head {
    margin-bottom: 28px;
  }

  .bjx-index-card {
    padding: 20px 16px 28px;
  }
}

.bjx-index-module-title {
  font-family: var(--mj-serif);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--mj-text);
}

.bjx-index-module-sub {
  margin: 0 auto;
  max-width: 42em;
  font-size: 15px;
  color: var(--mj-text-muted);
  line-height: 1.65;
}

/* 百家姓索引：静态搜索（纯前端筛选） */
.bjx-index-search {
  max-width: 480px;
  margin: 0 auto 28px;
}

.bjx-index-search__label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--mj-text);
  margin-bottom: 8px;
}

.bjx-index-search__row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.bjx-index-search__input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--mj-text);
  background: var(--mj-white);
  border: 1px solid var(--mj-separator);
  border-radius: 12px;
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.bjx-index-search__input::placeholder {
  color: var(--mj-text-muted);
  opacity: 0.85;
}

.bjx-index-search__input:hover {
  border-color: rgba(27, 75, 54, 0.22);
}

.bjx-index-search__input:focus {
  border-color: rgba(27, 75, 54, 0.45);
  box-shadow: 0 0 0 3px rgba(27, 75, 54, 0.12);
}

.bjx-index-search__clear {
  flex-shrink: 0;
  width: 44px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
  color: var(--mj-text-muted);
  background: var(--mj-bg);
  border: 1px solid var(--mj-separator);
  border-radius: 12px;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s;
}

.bjx-index-search__clear:hover {
  color: var(--mj-text);
  background: rgba(27, 75, 54, 0.08);
}

.bjx-index-search__status {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--mj-text-muted);
  min-height: 1.35em;
}

.bjx-index-search-empty {
  text-align: center;
  font-size: 15px;
  color: var(--mj-text-muted);
  margin: 0 0 20px;
}

@media (max-width: 768px) {
  .bjx-index-search {
    max-width: none;
    margin-bottom: 22px;
  }
}

.bjx-index-group {
  margin-bottom: 48px;
}

.bjx-index-group:last-child {
  margin-bottom: 8px;
}

.bjx-index-group__title {
  font-family: var(--mj-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--mj-text);
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--mj-separator);
}

/* [hidden] 须压过 .bjx-surname-cell 的 display:flex，否则筛选无效 */
.bjx-surname-cell[hidden],
.bjx-index-group[hidden] {
  display: none !important;
}

/* 有搜索关键词时隐藏「第 n–m 姓」分组标题，仅展示命中格子 */
.bjx-index-groups--filtered .bjx-index-group__title {
  display: none;
}

.bjx-index-groups--filtered .bjx-index-group:not([hidden]) {
  margin-bottom: 28px;
}

.bjx-index-groups--filtered .bjx-index-group:not([hidden]):last-child {
  margin-bottom: 8px;
}

.bjx-surnames-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .bjx-surnames-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
  }
}

@media (max-width: 768px) {
  .bjx-surnames-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .bjx-surnames-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
}

.bjx-surname-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 12px;
  border: 2px solid transparent;
  background: var(--mj-bg);
  overflow: hidden;
  transition:
    border-color 0.25s,
    box-shadow 0.25s,
    transform 0.2s;
}

/* 米字格线（细线，对齐首页模块视觉） */
.bjx-surname-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.9;
  --line: rgba(100, 100, 107, 0.14);
  background:
    linear-gradient(90deg, transparent calc(50% - 0.5px), var(--line) calc(50% - 0.5px), var(--line) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    linear-gradient(180deg, transparent calc(50% - 0.5px), var(--line) calc(50% - 0.5px), var(--line) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    linear-gradient(45deg, transparent 49.2%, var(--line) 49.2%, var(--line) 50.8%, transparent 50.8%),
    linear-gradient(-45deg, transparent 49.2%, var(--line) 49.2%, var(--line) 50.8%, transparent 50.8%);
}

.bjx-surname-cell:hover {
  border-color: rgba(27, 75, 54, 0.35);
  box-shadow: 0 4px 14px rgba(27, 75, 54, 0.12);
  transform: translateY(-1px);
}

.bjx-surname-cell a {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  color: var(--mj-text);
  text-decoration: none;
  font-size: 36px;
  font-weight: 500;
}

.bjx-surname-cell a:hover {
  color: var(--mj-primary);
  text-decoration: none;
}

.page-title {
  font-family: var(--mj-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--mj-text);
}

.page-lead {
  color: var(--mj-text-muted);
  margin: 0 0 28px;
  font-size: 15px;
}

.article-card {
  background: var(--mj-white);
  border-radius: 16px;
  box-shadow: var(--mj-shadow-card);
  padding: 28px 28px 36px;
}

.article-body {
  font-size: 15px;
}

.article-body h2,
.article-body h3 {
  font-family: var(--mj-serif);
  margin-top: 0.5em;
  margin-bottom: 0.6em;
}

.article-body p {
  margin: 0.75em 0;
}

.article-body ul,
.article-body ol {
  padding-left: 1.4em;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 14px;
}

.article-body th,
.article-body td {
  border: 1px solid var(--mj-separator);
  padding: 10px 12px;
}

.article-scroll-x {
  overflow-x: auto;
}

.section-heading {
  font-family: var(--mj-serif);
  font-size: 1.15rem;
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--mj-separator);
}

/* ── 词条页：面包屑、CTA、目录、关联姓氏 ───────────────────────────── */
.baijiaxing-breadcrumb {
  font-size: 13px;
  color: var(--mj-text-muted);
  margin: 0 0 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
}

.baijiaxing-breadcrumb a {
  color: var(--mj-text-muted);
  text-decoration: none;
}

.baijiaxing-breadcrumb a:hover {
  color: var(--mj-primary);
  text-decoration: underline;
}

.baijiaxing-bc-sep {
  color: var(--mj-separator);
  user-select: none;
}

.baijiaxing-bc-current {
  color: var(--mj-text);
  font-weight: 500;
}

.baijiaxing-page-heading-block {
  margin-bottom: 28px;
}

.baijiaxing-sheet {
  padding: 0;
  /* 不可设 overflow: hidden，否则会打断子元素 position: sticky（如 .bjx-toc-rail） */
  overflow: visible;
}

.bjx-sheet {
  border: 1px solid rgba(27, 75, 54, 0.08);
}

.bjx-page-head .page-title {
  letter-spacing: 0.02em;
}

.bjx-page-lead {
  max-width: 50em;
  line-height: 1.75;
}

/* Hero：大字 + 摘要卡 */
.bjx-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  padding: clamp(24px, 3.5vw, 36px) 28px;
  border-bottom: 1px solid var(--mj-separator);
  background: linear-gradient(
    118deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(27, 75, 54, 0.045) 38%,
    rgba(196, 160, 82, 0.07) 100%
  );
}

@media (max-width: 640px) {
  .bjx-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .bjx-hero-visual {
    margin: 0 auto;
  }
}

.bjx-hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 7.5rem;
  padding: 20px 18px 22px;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(245, 246, 244, 0.55));
  border: 1px solid rgba(27, 75, 54, 0.12);
  box-shadow:
    4px 6px 20px rgba(21, 57, 41, 0.07),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
}

.bjx-hero-glyph {
  font-family: var(--mj-display);
  font-size: clamp(3.5rem, 14vw, 5.25rem);
  line-height: 1;
  color: var(--mj-primary);
  text-shadow: 2px 4px 0 rgba(196, 160, 82, 0.35);
  user-select: none;
}

.bjx-hero-caption {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--mj-text-muted);
}

.bjx-hero-panel {
  align-self: center;
}

.bjx-hero-panel:empty {
  display: none;
}

.bjx-hero-summary p {
  font-size: 15.5px;
  line-height: 1.82;
  margin: 0 0 1em;
  color: var(--mj-text);
}

.bjx-hero-summary p:last-child {
  margin-bottom: 0;
}

.bjx-kv-grid {
  display: grid;
  grid-template-columns: minmax(4.5em, auto) minmax(0, 1fr);
  gap: 12px 20px;
  margin: 20px 0 0;
  padding: 16px 18px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 14px;
  border: 1px solid rgba(27, 75, 54, 0.1);
  box-shadow: 2px 4px 16px rgba(21, 57, 41, 0.05);
}

.bjx-kv-grid dt {
  margin: 0;
  color: var(--mj-text-muted);
  font-weight: 600;
}

.bjx-kv-grid dd {
  margin: 0;
  font-weight: 500;
}

/* 双栏：目录 + 正文 */
.bjx-doc-columns {
  display: flex;
  gap: 20px;
  padding: 20px;
}

@media (min-width: 960px) {
  .bjx-doc-columns:has(.bjx-toc-rail:not(:empty)) {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
}

.bjx-toc-rail {
  position: sticky;
  top: 80px;
  width: 240px;
  flex-shrink: 0;
}

.bjx-toc-rail__nav {
  margin: 0;
}

.bjx-prose > p,
.bjx-prose p {
  line-height: 1.82;
}

.bjx-prose > .bjx-topic > p:first-of-type {
  margin-top: 0;
}

@media (max-width: 959px) {
  .bjx-prose {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* 章节块：分区卡片，长文呼吸感 */
.bjx-topic {
  margin: 0 0 1.75rem;
  padding: 22px 22px 26px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(27, 75, 54, 0.09);
  box-shadow: 0 2px 16px rgba(21, 57, 41, 0.04);
}

.bjx-topic:last-child {
  margin-bottom: 0;
}

.bjx-topic-title {
  font-family: var(--mj-serif);
  font-size: clamp(1.18rem, 2.6vw, 1.38rem);
  font-weight: 700;
  margin: 15px 0;
  padding: 0 0 0.55rem 12px;
  border-bottom: none;
  border-left: 3px solid var(--mj-accent);
  color: var(--mj-primary-dark);
  scroll-margin-top: 92px;
  line-height: 1.35;
}

.bjx-topic > p,
.bjx-topic .bjx-details-body p {
  font-size: 15px;
  line-height: 1.82;
}

.bjx-topic > p {
  margin: 0 0 1.05em;
}

.bjx-topic > p:last-child {
  margin-bottom: 0;
}

/* 折叠小节：减轻长文压力 */
.bjx-details {
  margin: 0 0 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
  overflow: hidden;
  scroll-margin-top: 92px;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.03);
}

.bjx-details-summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px 14px 14px;
  font-weight: 600;
  color: var(--mj-text);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.18s ease;
}

.bjx-details-summary::-webkit-details-marker {
  display: none;
}

.bjx-details-summary::before {
  content: '';
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-left-color: var(--mj-primary);
  margin-right: 2px;
  transform: rotate(0deg);
  transition: transform 0.2s ease;
}

.bjx-details[open] .bjx-details-summary::before {
  transform: rotate(90deg);
}

.bjx-details-summary:hover {
  background: rgba(27, 75, 54, 0.06);
}

.bjx-details-title {
  font-family: var(--mj-serif);
  font-size: 1.02rem;
}

.bjx-details-body {
  padding: 4px 18px 18px;
  background: rgba(255, 255, 255, 0.92);
}

.bjx-details-body p {
  margin: 0.85em 0;
  line-height: 1.82;
}

.bjx-details-body p:first-child {
  margin-top: 14px;
}

/* 历史名人：两栏扫读 */
.bjx-notable-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.bjx-notable-item {
  margin: 0;
  padding: 14px 0;
  font-size: 13.5px;
  line-height: 1.65;
  border-bottom: 1px solid var(--mj-separator);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.99), rgba(250, 251, 249, 0.85));
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.bjx-notable-item:hover {
  border-color: rgba(27, 75, 54, 0.2);
  box-shadow: 3px 8px 18px rgba(27, 75, 54, 0.07);
}

/* 参考资料区 */
.bjx-refs-block {
  border-top: 1px solid var(--mj-separator);
  padding: 12px 28px 32px;
  background: linear-gradient(to bottom, rgba(245, 246, 244, 0.4), transparent);
}

.bjx-refs-heading {
  margin-top: 28px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.bjx-refs-body .baijiaxing-refs-list {
  margin: 0;
  list-style: none;
  padding-left: 0;
}

.bjx-refs-body .baijiaxing-refs-list li {
  margin: 0.5em 0;
  line-height: 1.65;
  padding-left: 2px;
}

.baijiaxing-cta {
  background: linear-gradient(135deg, rgba(27, 75, 54, 0.08) 0%, rgba(27, 75, 54, 0.02) 100%);
  border-bottom: 1px solid var(--mj-separator);
  padding: 22px 28px;
}

.baijiaxing-cta-inner {
  max-width: 100%;
}

.baijiaxing-cta-lead {
  margin: 0 0 14px;
  font-size: 14.5px;
  color: var(--mj-text);
  line-height: 1.65;
  max-width: 44em;
}

.baijiaxing-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.baijiaxing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 0.2s,
    color 0.2s,
    box-shadow 0.2s,
    border-color 0.2s;
}

.baijiaxing-btn--primary {
  background: var(--mj-primary);
  color: #fff;
  border: 1px solid var(--mj-primary);
  box-shadow: 0 2px 8px rgba(27, 75, 54, 0.25);
}

.baijiaxing-btn--primary:hover {
  filter: brightness(1.06);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(27, 75, 54, 0.3);
}

.baijiaxing-btn--secondary {
  background: var(--mj-white);
  color: var(--mj-primary);
  border: 1px solid var(--mj-primary);
}

.baijiaxing-btn--secondary:hover {
  background: rgba(27, 75, 54, 0.06);
  text-decoration: none;
}

.baijiaxing-btn--ghost {
  background: transparent;
  color: var(--mj-text);
  border: 1px solid var(--mj-separator);
}

.baijiaxing-btn--ghost:hover {
  border-color: var(--mj-primary);
  color: var(--mj-primary);
  text-decoration: none;
}

.bjx-toc-rail .baijiaxing-toc {
  margin: 0;
}

.baijiaxing-toc {
  margin: 1.25rem 0 1.75rem;
  padding: 14px 12px 16px;
  background: rgba(255, 255, 255, 0.65);
  border-radius: 14px;
  border: 1px solid rgba(27, 75, 54, 0.1);
  box-shadow: 2px 4px 18px rgba(21, 57, 41, 0.05);
}

.baijiaxing-toc-head {
  margin-bottom: 12px;
  padding: 0 8px;
}

.baijiaxing-toc-title {
  font-family: var(--mj-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--mj-text-muted);
  letter-spacing: 0.12em;
}

.baijiaxing-toc-list,
.baijiaxing-toc-sub {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.baijiaxing-toc-list > li {
  margin: 2px 0;
}

.baijiaxing-toc-sub {
  margin-top: 4px;
  padding-left: 10px;
  border-left: 2px solid rgba(27, 75, 54, 0.12);
}

.baijiaxing-toc-sub li {
  margin: 3px 0;
}

.baijiaxing-toc a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.35;
  color: var(--mj-text);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease;
}

.baijiaxing-toc a:hover {
  background: rgba(27, 75, 54, 0.06);
  color: var(--mj-primary);
  text-decoration: none;
}

.baijiaxing-toc a.is-active {
  font-weight: 700;
  color: var(--mj-primary-dark);
  background: rgba(27, 75, 54, 0.1);
  border-left-color: var(--mj-primary);
}

.baijiaxing-toc-sub a {
  font-size: 12.5px;
  padding: 5px 8px;
}

.baijiaxing-infobox-wrap {
  margin: 1.25rem 0 1.5rem;
}

.baijiaxing-infobox-heading {
  font-family: var(--mj-serif);
  font-size: 1rem;
  margin: 0 0 10px;
  color: var(--mj-text);
}

.article-body .baijiaxing-h2,
.article-body .baijiaxing-h3 {
  scroll-margin-top: 84px;
}

.baijiaxing-placeholder {
  padding: 16px;
  background: var(--mj-bg);
  border-radius: 12px;
  border: 1px dashed var(--mj-separator);
}

.baijiaxing-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 10px;
}

.baijiaxing-related-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 8px;
  border: 1px solid var(--mj-separator);
  border-radius: 10px;
  background: var(--mj-bg);
  font-family: var(--mj-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--mj-text);
  text-decoration: none;
  transition:
    border-color 0.2s,
    color 0.2s,
    box-shadow 0.2s;
}

.baijiaxing-related-cell:hover {
  border-color: var(--mj-primary);
  color: var(--mj-primary);
  box-shadow: 0 4px 12px rgba(27, 75, 54, 0.1);
  text-decoration: none;
}

.baijiaxing-related {
  margin: 0;
  padding: 28px 28px 8px;
  border-top: 1px solid var(--mj-separator);
  background: linear-gradient(to bottom, rgba(245, 246, 244, 0.6), transparent);
}

.baijiaxing-related-title {
  font-family: var(--mj-serif);
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.baijiaxing-related-desc {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--mj-text-muted);
}

/* JSON 词条内容（lemma-json）结构与样式 */
.baijiaxing-lemma-summary {
  margin-bottom: 1.25rem;
  padding: 14px 16px;
  background: rgba(27, 75, 54, 0.06);
  border-radius: 10px;
  border-left: 3px solid var(--mj-primary);
}

.baijiaxing-lemma-summary p {
  margin: 0.5em 0;
}

.baijiaxing-preamble {
  margin: 0 0 1.25rem;
}

.baijiaxing-preamble p {
  margin: 0.65em 0;
}

.baijiaxing-infobox {
  margin: 0 0 1.5rem;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: minmax(5.5em, auto) 1fr;
  gap: 8px 16px;
  font-size: 14px;
  background: var(--mj-bg);
  border-radius: 10px;
  border: 1px solid var(--mj-separator);
}

.baijiaxing-infobox dt {
  margin: 0;
  color: var(--mj-text-muted);
  font-weight: 500;
}

.baijiaxing-infobox dd {
  margin: 0;
}

.article-body .baijiaxing-h2 {
  font-family: var(--mj-serif);
  font-size: 1.2rem;
  margin: 2rem 0 0.85rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--mj-separator);
}

.article-body .baijiaxing-h3 {
  font-family: var(--mj-serif);
  font-size: 1.05rem;
  margin: 1.25rem 0 0.65rem;
  color: var(--mj-text);
}

.baijiaxing-refs-list {
  padding-left: 1.35em;
  margin: 0.75em 0;
}

.baijiaxing-refs-list li {
  margin: 0.35em 0;
}

/* ── 索引页网格 ───────────────────────────────────────────────────── */
.index-hero {
  text-align: center;
  padding: 40px 20px 24px;
}

.index-hero h1 {
  font-family: var(--mj-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin: 0 0 10px;
}

.index-hero p {
  color: var(--mj-text-muted);
  margin: 0;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 12px;
  padding: 24px 0 48px;
  max-width: 960px;
  margin: 0 auto;
}

.index-grid a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  border: 1px solid var(--mj-separator);
  border-radius: 10px;
  background: var(--mj-white);
  font-family: var(--mj-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--mj-text);
  text-decoration: none;
  transition:
    box-shadow 0.2s,
    border-color 0.2s,
    color 0.2s;
}

.index-grid a:hover {
  border-color: var(--mj-primary);
  color: var(--mj-primary);
  box-shadow: 0 6px 16px rgba(27, 75, 54, 0.12);
  text-decoration: none;
}

/* ── 页脚 ───────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--mj-primary-dark);
  color: rgba(255, 255, 255, 0.65);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  padding: 32px 0;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.footer-info h3 {
  color: #fff;
  font-size: 18px;
  margin: 0 0 12px;
}

.footer-info p {
  margin: 0;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
}

.footer-links h4 {
  color: #fff;
  font-size: 16px;
  margin: 0 0 12px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 0;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 12px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.65);
}