/* ==========================================================================
   age动漫 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 基础重置与全站变量
   -------------------------------------------------------------------------- */

:root {
  --bg-page: #f6f7f5;
  --bg-panel: #ffffff;
  --bg-subtle: #eef0ec;
  --ink: #1f2321;
  --ink-soft: #5c6360;
  --ink-faint: #838a86;
  --line: #d9ddd8;
  --line-strong: #c3c9c2;
  --brand: #2f6f5e;
  --brand-dark: #245548;
  --brand-tint: #e4ede9;
  --warm: #c9713a;
  --indigo: #4a5f9e;
  --moss: #6f8f4a;
  --violet: #7a6a8f;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 2px rgba(31, 35, 33, 0.05);
  --container: 1160px;
  --gap: 28px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

h4 {
  font-size: 16px;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  color: var(--brand);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

strong {
  font-weight: 700;
  color: var(--ink);
}

table {
  border-collapse: collapse;
  width: 100%;
}

figure {
  margin: 0;
}

figcaption {
  margin-top: 8px;
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架：页头、导航、主容器、页脚
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.brand:hover {
  color: var(--brand-dark);
  text-decoration: none;
}

.brand-sub {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 400;
}

.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-list a:hover {
  background-color: var(--bg-subtle);
  color: var(--ink);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--brand-dark);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--brand);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  background-color: var(--bg-panel);
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--ink);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background-color: var(--ink);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle-text {
  line-height: 1;
}

.site-main {
  display: block;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 56px;
}

.inner-main {
  padding-top: 20px;
}

.site-footer {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(4, minmax(120px, 1fr));
  gap: 26px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 36px 24px 22px;
}

.footer-brand {
  max-width: 320px;
}

.footer-name {
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
}

.footer-desc {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.footer-group h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.footer-group li + li {
  margin-top: 6px;
}

.footer-group a {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.footer-group a:hover {
  color: var(--brand-dark);
}

.footer-copy {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 28px;
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   layout · 内页统一骨架：面包屑、页面标题区、多栏布局
   -------------------------------------------------------------------------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.breadcrumb a {
  color: var(--ink-soft);
}

.breadcrumb a:hover {
  color: var(--brand-dark);
}

.breadcrumb-sep {
  color: var(--line-strong);
}

.breadcrumb-current {
  color: var(--ink);
}

.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
}

.page-description {
  max-width: 780px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--gap);
  align-items: start;
}

.page-layout.layout-with-aside {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.page-layout.layout-shell {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.sidebar-left .page-layout {
  grid-template-columns: 300px minmax(0, 1fr);
}

.sidebar-left .page-layout.layout-shell {
  grid-template-columns: 300px minmax(0, 1fr);
}

.layout-main {
  min-width: 0;
}

.layout-aside {
  min-width: 0;
}

/* --------------------------------------------------------------------------
   components · 通用模块元素
   -------------------------------------------------------------------------- */

.section {
  margin-bottom: 36px;
}

.section:last-child {
  margin-bottom: 0;
}

.section-title,
.section > h2,
.content-section > h2,
.section-field-table > h2,
.section-field-rules > h2,
.section-boundary > h2,
.section-misread > h2,
.section-field-reading > h2 {
  font-size: 21px;
  font-weight: 700;
}

.module-lead,
.section-note,
.section-lead {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.section-note a,
.section-lead a {
  color: var(--brand-dark);
  text-decoration: underline;
}

.source-note {
  margin-top: 14px;
  padding-top: 10px;
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px dashed var(--line);
}

.source-note a {
  color: var(--ink-soft);
  text-decoration: underline;
}

.section-source {
  margin-top: 14px;
  padding-top: 10px;
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px dashed var(--line);
}

.section-media {
  margin: 18px 0;
}

.section-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.article-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* 数据表 */

.table-wrap {
  overflow-x: auto;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--bg-panel);
}

.data-table {
  width: 100%;
  min-width: 520px;
  font-size: 14px;
  line-height: 1.65;
}

.data-table caption {
  padding: 12px 14px 0;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.data-table thead th {
  background-color: var(--bg-subtle);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody th {
  color: var(--ink);
  font-weight: 700;
}

.data-table.compact {
  min-width: 0;
  font-size: 13px;
}

.data-table.compact th,
.data-table.compact td {
  padding: 9px 11px;
}

/* 位次参考列表 */

.rank-list {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.rank-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num note";
  gap: 2px 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.rank-num {
  grid-area: num;
  align-self: start;
  color: var(--brand-dark);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.rank-name {
  grid-area: name;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.rank-note {
  grid-area: note;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

/* 通用按钮 */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #ffffff;
  text-decoration: none;
}

.btn-ghost {
  background-color: transparent;
  color: var(--brand-dark);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  background-color: var(--brand-tint);
  color: var(--brand-dark);
  text-decoration: none;
}

/* 侧栏通用块 */

.side-panel,
.page-aside,
.section-aside {
  min-width: 0;
  padding: 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-title,
.side-panel h2,
.page-aside > h2,
.section-aside > h2 {
  font-size: 17px;
  font-weight: 700;
}

.aside-note {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.aside-note a {
  color: var(--brand-dark);
  text-decoration: underline;
}

.aside-block {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.aside-block h3,
.page-aside h3,
.section-aside h3 {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 700;
}

.aside-block:first-of-type h3,
.page-aside > h2 + .aside-block h3,
.section-aside > h2 + h3 {
  margin-top: 0;
}

.aside-list {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.aside-list li {
  position: relative;
  padding-left: 14px;
}

.aside-list li + li {
  margin-top: 7px;
}

.aside-list li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 5px;
  height: 5px;
  background-color: var(--brand);
  border-radius: 50%;
}

.aside-links {
  margin-top: 8px;
  font-size: 14px;
}

.aside-links li + li {
  margin-top: 7px;
}

.aside-links a {
  color: var(--brand-dark);
}

.aside-links a:hover {
  color: var(--brand);
}

/* 相关链接列表 */

.related-links {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.link-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 24px;
  margin-top: 14px;
}

.link-list li {
  min-width: 0;
}

.link-list a {
  display: block;
  padding: 10px 12px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--brand-dark);
  font-size: 14px;
  line-height: 1.6;
}

.link-list a:hover {
  background-color: var(--brand-tint);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.fact-bar {
  width: 100%;
  margin: 0;
  padding: 9px 24px;
  background-color: var(--brand-tint);
  color: var(--brand-dark);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.home-main {
  padding-top: 36px;
}

/* 首屏定位区 */

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  min-width: 0;
}

.hero-title {
  font-size: 34px;
  line-height: 1.3;
}

.hero-summary {
  margin-top: 16px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

.hero-paths {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.path-link {
  display: block;
  padding: 12px 16px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

.path-link:hover {
  background-color: var(--brand-tint);
  color: var(--brand-dark);
  text-decoration: none;
}

.hero-media {
  min-width: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* 站点定位说明 */

.position-section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.position-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 20px;
}

.position-item {
  min-width: 0;
  padding: 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.position-item h3 {
  font-size: 16px;
  font-weight: 700;
}

.position-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

/* 题材方向总览 */

.genre-section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.genre-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line-strong);
  border-radius: var(--radius);
}

.genre-card-warm {
  border-top-color: var(--warm);
}

.genre-card-indigo {
  border-top-color: var(--indigo);
}

.genre-card-moss {
  border-top-color: var(--moss);
}

.genre-card-violet {
  border-top-color: var(--violet);
}

.genre-index {
  color: var(--ink-faint);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.genre-name {
  margin-top: 6px;
  font-size: 17px;
  font-weight: 700;
}

.genre-desc {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.genre-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.genre-tags li {
  padding: 3px 9px;
  background-color: var(--bg-subtle);
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
}

.genre-entry {
  margin-top: auto;
  padding-top: 14px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
}

.genre-entry:hover {
  color: var(--brand);
}

.genre-media {
  margin-top: 22px;
}

.genre-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* 最近更新批次时间轴（首页） */

.update-section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.update-timeline {
  margin-top: 20px;
}

.update-current {
  padding: 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
}

.update-badge {
  display: inline-block;
  padding: 2px 9px;
  background-color: var(--brand);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
  border-radius: var(--radius-sm);
}

.update-current h3 {
  margin-top: 10px;
  font-size: 17px;
  font-weight: 700;
}

.update-current p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.update-list {
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.update-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) 96px auto;
  grid-template-areas: "date genre type link";
  gap: 8px 16px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.update-item time {
  grid-area: date;
  color: var(--ink-soft);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.update-genre {
  grid-area: genre;
  color: var(--ink);
  font-size: 14px;
}

.update-type {
  grid-area: type;
  color: var(--ink-soft);
  font-size: 13px;
}

.update-item a {
  grid-area: link;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.update-item a:hover {
  color: var(--brand);
}

.update-media {
  margin-top: 22px;
}

.update-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* 人气位次参考与字段口径摘要 */

.rank-field-section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.rank-field-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  margin-top: 20px;
}

.rank-column,
.field-column {
  min-width: 0;
  padding: 20px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rank-column h3,
.field-column h3 {
  font-size: 17px;
  font-weight: 700;
}

.field-column > p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.field-brief-list {
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.field-brief-list li {
  padding: 9px 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.field-brief-list strong {
  display: inline-block;
  min-width: 96px;
  color: var(--ink);
}

.field-brief-more {
  margin-top: 14px;
  font-size: 14px;
}

.field-brief-more a {
  color: var(--brand-dark);
  font-weight: 700;
}

/* 站内栏目索引 */

.site-index-section {
  padding: 34px 0 6px;
}

.site-index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.index-card {
  min-width: 0;
  padding: 16px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.index-card h3 {
  font-size: 15px;
  font-weight: 700;
}

.index-card h3 a {
  color: var(--brand-dark);
}

.index-card h3 a:hover {
  color: var(--brand);
}

.index-card p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages · 题材分类页
   -------------------------------------------------------------------------- */

.genre-switch {
  margin-bottom: 30px;
}

.switch-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.switch-btn {
  min-height: 44px;
  padding: 9px 18px;
  background-color: var(--bg-panel);
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
}

.switch-btn:hover {
  background-color: var(--brand-tint);
  color: var(--brand-dark);
}

.switch-btn.is-active {
  background-color: var(--brand);
  color: #ffffff;
  border-color: var(--brand);
}

.genre-features {
  margin-bottom: 30px;
}

.feature-item {
  margin-top: 16px;
  padding: 16px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius);
}

.feature-item:nth-of-type(1) {
  border-left-color: var(--warm);
}

.feature-item:nth-of-type(2) {
  border-left-color: var(--indigo);
}

.feature-item:nth-of-type(3) {
  border-left-color: var(--moss);
}

.feature-item:nth-of-type(4) {
  border-left-color: var(--violet);
}

.feature-item h3 {
  font-size: 16px;
  font-weight: 700;
}

.feature-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.tag {
  padding: 3px 9px;
  background-color: var(--bg-subtle);
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
}

.genre-lists {
  margin-bottom: 30px;
}

.genre-panel {
  margin-top: 18px;
}

.genre-panel[hidden] {
  display: none;
}

.panel-title {
  font-size: 18px;
  font-weight: 700;
}

.genre-figure {
  margin: 14px 0 18px;
}

.genre-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.entry-card {
  min-width: 0;
  padding: 12px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.entry-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.entry-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.entry-name {
  margin-top: 10px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.entry-tags {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.entry-batch {
  margin-top: 6px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   pages · 最近更新页
   -------------------------------------------------------------------------- */

.current-batch {
  margin-bottom: 34px;
}

.batch-status-card {
  margin-top: 16px;
  padding: 20px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
}

.batch-status-label {
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
}

.batch-status-id {
  margin-top: 6px;
  font-size: 19px;
  font-weight: 700;
}

.batch-status-meta {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.batch-status-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.batch-status-tags li {
  padding: 4px 10px;
  background-color: var(--brand-tint);
  color: var(--brand-dark);
  font-size: 13px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
}

.batch-status-note {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.batch-status-note a {
  color: var(--brand-dark);
  text-decoration: underline;
}

.timeline-list {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.timeline-item {
  padding: 16px 0 16px 18px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid var(--line);
}

.timeline-item:hover {
  border-left-color: var(--brand);
}

.timeline-date {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.timeline-tags li {
  padding: 3px 9px;
  background-color: var(--bg-subtle);
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
}

.timeline-type {
  margin-top: 8px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.timeline-desc {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.change-types {
  margin-top: 6px;
}

.change-types .data-table {
  margin-top: 16px;
}

.section-aside > p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   pages · 条目字段说明页
   -------------------------------------------------------------------------- */

.section-field-table,
.section-field-rules,
.section-boundary,
.section-misread,
.section-field-reading {
  margin-bottom: 34px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.section-field-reading {
  border-bottom: 0;
  padding-bottom: 0;
}

.rule-item {
  margin-top: 16px;
  padding: 16px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rule-item h3 {
  font-size: 16px;
  font-weight: 700;
}

.rule-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.boundary-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 18px;
}

.boundary-col {
  min-width: 0;
  padding: 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.boundary-in {
  border-top: 3px solid var(--brand);
}

.boundary-out {
  border-top: 3px solid var(--line-strong);
}

.boundary-col h3 {
  font-size: 16px;
  font-weight: 700;
}

.boundary-list {
  margin-top: 12px;
}

.boundary-list li {
  position: relative;
  padding-left: 16px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.boundary-list li + li {
  margin-top: 8px;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 6px;
  height: 2px;
  background-color: var(--line-strong);
}

.boundary-in .boundary-list li::before {
  background-color: var(--brand);
}

.misread-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.misread-item {
  min-width: 0;
  padding: 16px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.misread-item h3 {
  font-size: 15px;
  font-weight: 700;
}

.misread-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.field-reading-body {
  margin-top: 16px;
}

.field-reading-body p {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.field-reading-body p a {
  color: var(--brand-dark);
  text-decoration: underline;
}

.field-aside .aside-block ul {
  margin-top: 8px;
}

/* --------------------------------------------------------------------------
   pages · 阅读说明页
   -------------------------------------------------------------------------- */

.content-section {
  margin-bottom: 34px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.content-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.step-item {
  min-width: 0;
  padding: 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-index {
  display: inline-block;
  min-width: 26px;
  padding: 2px 8px;
  background-color: var(--brand-tint);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  line-height: 1.7;
  border-radius: var(--radius-sm);
}

.step-item h3 {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 700;
}

.step-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.step-item p a {
  color: var(--brand-dark);
  text-decoration: underline;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.checklist-item {
  min-width: 0;
  padding: 16px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
}

.checklist-item h3 {
  font-size: 15px;
  font-weight: 700;
}

.checklist-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.faq-section {
  margin-bottom: 34px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.faq-item {
  margin-top: 12px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-item summary {
  padding: 14px 18px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  margin-left: 12px;
  color: var(--brand-dark);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item summary:hover {
  color: var(--brand-dark);
}

.faq-item p {
  padding: 0 18px 16px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.faq-item p a {
  color: var(--brand-dark);
  text-decoration: underline;
}

.feedback-section {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.feedback-item {
  min-width: 0;
  padding: 16px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feedback-item h3 {
  font-size: 15px;
  font-weight: 700;
}

.feedback-item p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  padding-top: 44px;
}

.error-panel {
  max-width: 640px;
  padding: 32px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-code {
  color: var(--brand-dark);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.error-panel h1 {
  margin-top: 10px;
  font-size: 28px;
}

.error-text {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.error-hints {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.error-hints h2 {
  font-size: 19px;
  font-weight: 700;
}

.error-hint-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 24px;
  margin-top: 14px;
}

.error-hint-list a {
  display: block;
  padding: 10px 12px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--brand-dark);
  font-size: 14px;
  line-height: 1.6;
}

.error-hint-list a:hover {
  background-color: var(--brand-tint);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   responsive · 断点
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
  }

  .genre-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-layout,
  .page-layout.layout-with-aside,
  .page-layout.layout-shell {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

  .sidebar-left .page-layout,
  .sidebar-left .page-layout.layout-shell {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 10px 18px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    flex-basis: 100%;
    width: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 10px;
    border-top: 1px solid var(--line);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    padding: 13px 6px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-list a.is-current {
    box-shadow: inset 3px 0 0 var(--brand);
    padding-left: 12px;
  }

  .hero-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-title {
    font-size: 28px;
  }

  .position-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .rank-field-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .page-layout,
  .page-layout.layout-with-aside,
  .page-layout.layout-shell,
  .sidebar-left .page-layout,
  .sidebar-left .page-layout.layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

  .update-item {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "date link"
      "genre genre"
      "type type";
    gap: 4px 12px;
    align-items: start;
  }

  .update-item a {
    text-align: right;
  }

  .boundary-columns {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .site-main {
    padding: 22px 16px 44px;
  }

  .fact-bar {
    padding: 9px 16px;
    font-size: 12px;
  }

  h1,
  .page-title {
    font-size: 24px;
  }

  .hero-title {
    font-size: 25px;
  }

  .hero-summary,
  .page-description {
    font-size: 15px;
  }

  .genre-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-index-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .entry-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    padding: 28px 16px 18px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-copy {
    padding: 14px 16px 24px;
  }

  .error-panel {
    padding: 22px 18px;
  }

  .error-panel h1 {
    font-size: 23px;
  }

  .data-table {
    min-width: 440px;
  }

  .field-brief-list strong {
    display: block;
    min-width: 0;
  }
}

@media (max-width: 420px) {
  .header-inner {
    padding: 10px 14px;
  }

  .brand {
    font-size: 18px;
  }

  .site-main {
    padding: 20px 14px 40px;
  }

  .fact-bar {
    padding: 8px 14px;
  }

  .entry-grid {
    grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-actions .btn {
    width: 100%;
  }
}