/* ==========================================================================
   虫虫漫画 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版、链接
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #1F8A70;
  --color-primary-dark: #176B58;
  --color-accent: #E8833A;
  --color-bg: #FBFAF7;
  --color-card: #FFFFFF;
  --color-border: #E3E0D8;
  --color-text: #2B2B2B;
  --color-muted: #6B6B6B;
  --shadow-card: 0 1px 2px rgba(43, 43, 43, 0.05);
  --shadow-card-hover: 0 6px 16px rgba(43, 43, 43, 0.10);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --container: 1120px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;
}

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

p {
  margin: 0 0 16px;
}

p:last-child {
  margin-bottom: 0;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  display: block;
}

figure {
  margin: 0;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

dl,
dd,
dt {
  margin: 0;
}

/* --------------------------------------------------------------------------
   layout：页头骨架、主容器、页脚骨架、通用区块间距
   -------------------------------------------------------------------------- */

/* 页头与导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0;
  white-space: nowrap;
}

.site-brand:hover,
.site-brand:focus-visible {
  color: var(--color-primary);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li {
  display: block;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom-color: var(--color-primary);
}

/* 移动端汉堡按钮（桌面隐藏） */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text);
  border-radius: 2px;
}

/* 主内容容器 */
.site-main {
  display: block;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.home-main {
  padding-bottom: 8px;
}

.inner-main {
  padding-bottom: 8px;
}

/* 页脚骨架 */
.site-footer {
  margin-top: 56px;
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2fr;
  gap: 40px;
}

.footer-brand-name {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.footer-brand-desc {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
  max-width: 320px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-group-title {
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.footer-group ul li {
  margin-bottom: 6px;
}

.footer-group ul li:last-child {
  margin-bottom: 0;
}

.footer-group a {
  font-size: 14px;
  color: var(--color-muted);
}

.footer-group a:hover,
.footer-group a:focus-visible {
  color: var(--color-primary);
}

.footer-copyright {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 28px;
  font-size: 13px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

/* 通用区块 */
.section,
.genre-overview,
.cover-gallery,
.field-boundary,
.site-index,
.genre-directory,
.genre-compare,
.genre-shelf,
.genre-guide,
.updates-overview,
.date-grouping,
.update-fields,
.recent-summary,
.related-entry,
.ranking-section,
.ranking-method,
.genre-share,
.compare-section,
.related-section,
.fields-dictionary,
.fields-scope,
.fields-mapping,
.fields-feedback,
.fields-path {
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-size: 22px;
  margin-bottom: 10px;
}

.section-lead,
.section-desc,
.section-intro {
  margin: 0 0 24px;
  font-size: 15px;
  color: var(--color-muted);
  max-width: 820px;
}

.sub-title {
  font-size: 18px;
  margin-bottom: 12px;
}

.text-link {
  font-size: 15px;
  font-weight: 600;
}

.panel-more {
  margin: 16px 0 0;
}

/* --------------------------------------------------------------------------
   components：顶部事实条、页头下方通用组件、卡片、列表、表格、折叠、面包屑
   -------------------------------------------------------------------------- */

/* 顶部事实条（仅首页） */
.fact-bar {
  background-color: var(--color-primary);
}

.fact-bar p {
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 13px;
  line-height: 1.6;
  color: #F2FBF8;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 18px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

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

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-primary);
}

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

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 600;
}

/* 内页页面标题区 */
.page-header {
  padding: 20px 0 32px;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 30px;
  margin-bottom: 14px;
}

.page-description {
  margin: 0 0 24px;
  font-size: 16px;
  color: var(--color-muted);
  max-width: 820px;
}

.page-media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
}

.page-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.page-media figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

/* 封面条目卡（首页网格） */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.cover-card {
  display: flex;
  flex-direction: column;
  padding: 14px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
}

.cover-figure {
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  margin-bottom: 12px;
}

.cover-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.cover-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.cover-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 6px;
  padding: 2px 10px;
  font-size: 13px;
  color: var(--color-primary);
  background-color: rgba(31, 138, 112, 0.10);
  border-radius: var(--radius-sm);
}

.cover-status {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

/* 更新记录行（首页 + 更新页共用基础） */
.update-list {
  display: block;
}

.update-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-border);
}

.update-row:last-child {
  border-bottom: 0;
}

.update-date {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
}

.update-name {
  flex: 1 1 160px;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

a.update-name {
  color: var(--color-text);
}

a.update-name:hover,
a.update-name:focus-visible {
  color: var(--color-primary);
}

.update-genre {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--color-primary);
}

.update-batch {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--color-accent);
}

/* 位次条目行（首页） */
.rank-list {
  counter-reset: none;
}

.rank-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-border);
}

.rank-row:last-child {
  border-bottom: 0;
}

.rank-no {
  flex: 0 0 auto;
  min-width: 32px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-accent);
}

.rank-name {
  flex: 1 1 140px;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
}

.rank-genre {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--color-primary);
}

.rank-note {
  flex: 1 1 100%;
  font-size: 13px;
  color: var(--color-muted);
}

/* 字段口径列表（首页） */
.field-list {
  display: block;
  margin-bottom: 4px;
}

.field-list dt {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 12px;
}

.field-list dt:first-child {
  margin-top: 0;
}

.field-list dd {
  font-size: 14px;
  color: var(--color-muted);
  padding-left: 0;
  margin-top: 2px;
}

/* 收录边界列表（首页） */
.boundary-list {
  display: block;
}

.boundary-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--color-muted);
}

.boundary-list li:last-child {
  margin-bottom: 0;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

/* 站内栏目索引 */
.index-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-item {
  padding: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.index-name {
  font-size: 16px;
  margin-bottom: 6px;
}

.index-desc {
  margin: 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* 表格容器与通用表格 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-card);
}

.genre-compare-table,
.field-table,
.data-table {
  width: 100%;
  min-width: 520px;
  font-size: 15px;
}

.genre-compare-table caption,
.field-caption,
.table-caption {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
}

.genre-compare-table th,
.genre-compare-table td,
.field-table th,
.field-table td,
.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

.genre-compare-table thead th,
.field-table thead th,
.data-table thead th {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text);
  background-color: rgba(31, 138, 112, 0.06);
}

.genre-compare-table tbody th,
.field-table tbody th {
  font-weight: 600;
  color: var(--color-text);
}

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

/* 章节尾注 */
.section-foot {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

.section-foot a {
  margin-right: 16px;
}

.section-foot a:last-child {
  margin-right: 0;
}

/* 折叠列表（字段与列表对应说明） */
.mapping-list {
  display: block;
}

.mapping-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-card);
  margin-bottom: 12px;
  overflow: hidden;
}

.mapping-item:last-child {
  margin-bottom: 0;
}

.mapping-summary {
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
}

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

.mapping-summary::before {
  content: "＋";
  display: inline-block;
  width: 20px;
  color: var(--color-primary);
  font-weight: 600;
}

.mapping-item[open] .mapping-summary::before {
  content: "－";
}

.mapping-body {
  margin: 0;
  padding: 0 16px 16px 36px;
  font-size: 15px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

/* 相关推荐列表（更新页 / 榜单页共用） */
.related-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.related-item {
  padding: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.related-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}

.related-item a {
  font-size: 16px;
  font-weight: 600;
}

.related-item span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--color-muted);
}

.related-item p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   pages：各页面专属业务模块
   -------------------------------------------------------------------------- */

/* ---------- 首页 ---------- */
.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding: 44px 0 40px;
  border-bottom: 1px solid var(--color-border);
}

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

.hero-title {
  font-size: 34px;
  margin-bottom: 16px;
}

.hero-summary {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 520px;
}

.hero-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.path-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-card);
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  transition: background-color 0.18s ease;
}

.path-link:hover,
.path-link:focus-visible {
  color: var(--color-card);
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

.hero-media {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  min-width: 0;
}

.hero-figure {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
}

.hero-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.hero-covers {
  display: grid;
  gap: 16px;
}

.hero-cover {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
}

.hero-cover img {
  width: 100%;
  height: 128px;
  object-fit: cover;
}

.hero-cover figcaption {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-muted);
}

/* 题材方向总览 */
.genre-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.genre-card {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--color-primary);
}

.genre-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.genre-trait {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--color-muted);
}

.genre-count {
  margin: 0;
  font-size: 13px;
  color: var(--color-accent);
}

/* 最近更新与人气位次并列区 */
.dual-panel {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

.update-panel,
.rank-panel {
  min-width: 0;
}

/* 条目字段与收录边界摘要 */
.field-boundary-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.field-summary,
.boundary-summary {
  min-width: 0;
}

.boundary-summary > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 14px;
}

/* ---------- 题材分类页 ---------- */
.genre-group-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.genre-group {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.genre-group-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.genre-group-trait {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--color-text);
}

.genre-group-scope {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

.genre-shelf-group {
  margin-bottom: 28px;
}

.genre-shelf-group:last-child {
  margin-bottom: 0;
}

.genre-shelf-name {
  font-size: 18px;
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}

.cover-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.genre-shelf .cover-card {
  padding: 0;
  border: 0;
  box-shadow: none;
  background-color: transparent;
}

.genre-shelf .cover-card:hover {
  transform: none;
  box-shadow: none;
}

.cover-link {
  display: flex;
  flex-direction: column;
  padding: 14px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.cover-link:hover,
.cover-link:focus-visible {
  color: var(--color-text);
  text-decoration: none;
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
}

.genre-shelf .cover-figure img {
  height: 180px;
}

.genre-guide p {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 820px;
}

/* ---------- 最近更新页 ---------- */
.updates-overview .update-row {
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
}

.update-thumb {
  flex: 0 0 auto;
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.update-body {
  flex: 1 1 220px;
  min-width: 0;
}

.update-body .update-name {
  display: inline-block;
  font-size: 16px;
}

.update-note {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

.update-tag {
  flex: 0 0 auto;
  align-self: flex-start;
  padding: 2px 10px;
  font-size: 13px;
  color: var(--color-primary);
  background-color: rgba(31, 138, 112, 0.10);
  border-radius: var(--radius-sm);
}

.updates-overview .update-batch {
  align-self: flex-start;
}

.group-rule-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.group-rule-item {
  padding: 18px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.group-rule-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.group-rule-item p {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

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

.summary-card {
  padding: 18px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.summary-card-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.summary-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

/* ---------- 人气榜单页 ---------- */
.ranking-list {
  display: block;
}

.ranking-row {
  display: grid;
  grid-template-columns: 48px 72px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px dashed var(--color-border);
}

.ranking-row:last-child {
  border-bottom: 0;
}

.ranking-position {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.2;
}

.ranking-thumb {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.ranking-thumb img {
  width: 72px;
  height: 96px;
  object-fit: cover;
}

.ranking-info {
  min-width: 0;
}

.ranking-name {
  font-size: 17px;
  margin-bottom: 4px;
}

.ranking-genre {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--color-primary);
}

.ranking-note {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

.ranking-method p {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 820px;
}

.ranking-method-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  margin-top: 8px;
}

.ranking-method-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--color-muted);
}

.ranking-method-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.share-list {
  display: block;
}

.share-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 64px;
  gap: 16px;
  align-items: center;
  padding: 10px 0;
}

.share-name {
  font-size: 15px;
  font-weight: 600;
}

.share-bar {
  display: block;
  height: 12px;
  border-radius: var(--radius-sm);
  background-color: var(--color-border);
  overflow: hidden;
}

.share-fill {
  display: block;
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.share-fill-suspense {
  width: 82%;
}

.share-fill-fantasy {
  width: 68%;
}

.share-fill-daily {
  width: 54%;
}

.share-fill-action {
  width: 46%;
}

.share-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-muted);
  text-align: right;
}

.share-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.compare-col {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.compare-col h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.compare-col p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--color-muted);
}

.compare-col ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--color-muted);
}

.compare-col ul li:last-child {
  margin-bottom: 0;
}

.compare-col ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.compare-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

.compare-note a {
  margin-right: 16px;
}

.compare-note a:last-child {
  margin-right: 0;
}

/* ---------- 条目字段说明页 ---------- */
.scope-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.scope-col {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background-color: var(--color-card);
}

.scope-col-in {
  border-top: 3px solid var(--color-primary);
}

.scope-col-out {
  border-top: 3px solid var(--color-accent);
}

.scope-title {
  font-size: 18px;
  margin-bottom: 12px;
}

.scope-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--color-muted);
}

.scope-list li:last-child {
  margin-bottom: 0;
}

.scope-col-in .scope-list li::before,
.scope-col-out .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.scope-col-in .scope-list li::before {
  background-color: var(--color-primary);
}

.scope-col-out .scope-list li::before {
  background-color: var(--color-accent);
}

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

.feedback-col {
  padding: 18px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.feedback-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.feedback-body {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

.feedback-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}

.feedback-note a {
  margin-right: 16px;
}

.feedback-note a:last-child {
  margin-right: 0;
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: path-step;
}

.path-step {
  padding: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.path-step-title {
  font-size: 17px;
  margin-bottom: 8px;
  padding-left: 30px;
  position: relative;
  counter-increment: path-step;
}

.path-step-title::before {
  content: counter(path-step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-card);
  background-color: var(--color-primary);
  border-radius: 50%;
}

.path-step-body {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

/* ---------- 404 页 ---------- */
.error-main {
  padding-top: 40px;
  padding-bottom: 40px;
}

.error-panel {
  padding: 40px 24px;
  text-align: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.error-code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
}

.error-title {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  margin: 0 auto 24px;
  max-width: 520px;
  font-size: 15px;
  color: var(--color-muted);
}

.error-action {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-card);
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
}

.error-action:hover,
.error-action:focus-visible {
  color: var(--color-card);
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

.error-links {
  padding: 32px 0 8px;
}

.error-links-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.error-link-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.error-link-list li a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  color: var(--color-text);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.error-link-list li a:hover,
.error-link-list li a:focus-visible {
  color: var(--color-primary);
  border-color: var(--color-primary);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   responsive：1024px 与 640px 两档断点
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .hero-media {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

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

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

  .dual-panel {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

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

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

  .group-rule-list,
  .summary-grid,
  .feedback-columns,
  .path-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
}

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

  .header-inner {
    padding: 0 16px;
    min-height: 56px;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .site-brand {
    font-size: 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex: 0 0 100%;
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 4px 0 12px;
  }

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

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 44px;
    padding: 0 4px;
    border-bottom: 1px solid var(--color-border);
    border-left: 0;
  }

  .nav-link.is-current {
    border-bottom-color: var(--color-border);
    color: var(--color-primary);
  }

  .site-main,
  .fact-bar p,
  .footer-inner,
  .footer-copyright {
    padding-left: 16px;
    padding-right: 16px;
  }

  .fact-bar p {
    font-size: 12px;
  }

  .hero-title {
    font-size: 24px;
  }

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

  .hero-figure img {
    height: 220px;
  }

  .hero-cover img {
    height: 160px;
  }

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

  .page-media img {
    height: 180px;
  }

  .section-title {
    font-size: 20px;
  }

  .genre-columns,
  .cover-grid,
  .index-columns,
  .cover-list,
  .group-rule-list,
  .summary-grid,
  .feedback-columns,
  .path-steps,
  .ranking-method-list,
  .compare-grid,
  .scope-columns,
  .related-list,
  .error-link-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .ranking-row {
    grid-template-columns: 40px 64px minmax(0, 1fr);
    gap: 12px;
  }

  .ranking-thumb img {
    width: 64px;
    height: 86px;
  }

  .share-item {
    grid-template-columns: 76px minmax(0, 1fr) 52px;
    gap: 10px;
  }

  .updates-overview .update-row {
    gap: 10px;
  }

  .update-thumb {
    width: 56px;
    height: 76px;
  }

  .update-body {
    flex: 1 1 140px;
  }

  .update-row {
    gap: 8px;
  }

  .update-date {
    min-width: 76px;
  }

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

  .error-code {
    font-size: 40px;
  }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .cover-card:hover,
  .cover-link:hover,
  .cover-link:focus-visible {
    transform: none;
  }
}