/* ==========================================================================
   腐漫画网 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 变量与基础重置
   -------------------------------------------------------------------------- */
:root {
  --color-bg: #f7f5f1;
  --color-surface: #fffdfa;
  --color-text: #1f2a2e;
  --color-accent: #3f6f5a;
  --color-accent-soft: #e7efe9;
  --color-warm: #c2673a;
  --color-muted: #8a9490;
  --color-line: #e3ded6;

  --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;

  --container: 1180px;
  --container-narrow: 900px;
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;

  --gap-xs: 8px;
  --gap-sm: 12px;
  --gap: 20px;
  --gap-lg: 32px;
  --gap-xl: 48px;

  --shadow-card: 0 1px 2px rgba(31, 42, 46, 0.05);
}

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

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

body.site-body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

p {
  margin: 0;
}

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

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

figure {
  margin: 0;
}

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

a:hover,
a:focus-visible {
  color: var(--color-warm);
}

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

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

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

time {
  font-variant-numeric: tabular-nums;
}

.sr-only,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   layout · 事实条 / 页头 / 导航 / 主容器
   -------------------------------------------------------------------------- */
.fact-bar {
  background-color: var(--color-text);
  color: #e9e6e0;
}

.fact-bar p {
  max-width: var(--container);
  margin: 0 auto;
  padding: 9px 24px;
  font-size: 13.5px;
  line-height: 1.6;
}

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

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
}

.site-brand {
  flex: 0 0 auto;
  font-size: 21px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0;
}

.site-brand::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 8px;
  vertical-align: 2px;
  background-color: var(--color-warm);
  border-radius: 50%;
}

.site-brand:hover,
.site-brand:focus-visible {
  color: var(--color-accent);
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  min-height: 40px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

.nav-list a.is-current {
  color: var(--color-accent);
  font-weight: 700;
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background-color: var(--color-text);
}

.site-main {
  display: block;
}

.home-main,
.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 64px;
}

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

/* --------------------------------------------------------------------------
   layout · 面包屑 / 页面标题区
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 4px 0 14px;
  font-size: 13.5px;
  color: var(--color-muted);
}

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

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

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

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

.page-header {
  padding: 8px 0 28px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--gap-lg);
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
}

.page-description {
  max-width: 760px;
  margin-top: 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #4b5559;
}

/* 通用模块标题与导语 */
.section-lead,
.section-desc,
.section-intro {
  max-width: 780px;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: #4b5559;
}

.section-foot {
  margin-top: 14px;
  font-size: 14px;
  color: var(--color-muted);
}

.section-head {
  margin-bottom: var(--gap);
}

.section-head h2 {
  font-size: 22px;
}

.section-head p {
  max-width: 780px;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: #4b5559;
}

.home-main > section,
.home-main > div.home-columns {
  padding: var(--gap-xl) 0 0;
}

.home-main > section:first-child {
  padding-top: var(--gap-lg);
}

.home-main h2,
.inner-main section > h2,
.inner-main .section > h2 {
  font-size: 22px;
  font-weight: 700;
}

.home-main h2::before,
.inner-main section > h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  margin-right: 10px;
  vertical-align: -1px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   components · 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
  color: var(--color-text);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: var(--gap-lg);
  max-width: var(--container);
  margin: 0 auto;
  padding: 44px 24px 32px;
}

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

.footer-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}

.footer-group h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

.footer-group ul {
  margin-top: 12px;
}

.footer-group li + li {
  margin-top: 8px;
}

.footer-group a {
  display: inline-block;
  min-height: 24px;
  font-size: 14px;
  color: #4b5559;
}

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

.footer-bottom {
  border-top: 1px solid var(--color-line);
}

.footer-bottom p {
  max-width: var(--container);
  margin: 0 auto;
  padding: 6px 24px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-muted);
}

.footer-bottom p:first-child {
  padding-top: 18px;
}

.footer-copy {
  padding-bottom: 20px;
}

/* --------------------------------------------------------------------------
   components · 通用卡片 / 列表 / 表格 / FAQ / 步骤 / 反馈
   -------------------------------------------------------------------------- */
.genre-box,
.genre-column,
.cover-card,
.scope-item,
.relation-item,
.status-item,
.checklist-card,
.next-step,
.explainer-col,
.path-col,
.batch-group,
.feedback-block {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

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

.genre-scope {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: #4b5559;
}

.genre-samples,
.genre-items {
  margin-top: 12px;
}

.genre-samples li,
.genre-items li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: #4b5559;
}

.genre-samples li + li,
.genre-items li + li {
  margin-top: 6px;
}

.genre-samples li::before,
.genre-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.genre-samples a,
.genre-items a {
  color: var(--color-text);
}

.genre-samples a:hover,
.genre-items a:hover {
  color: var(--color-accent);
}

/* 表格 */
.field-table {
  width: 100%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14.5px;
}

.field-table th,
.field-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-line);
  line-height: 1.75;
}

.field-table thead th {
  background-color: var(--color-accent-soft);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.field-table tbody th {
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.field-table tbody td {
  color: #4b5559;
}

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

.field-table caption {
  caption-side: bottom;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-muted);
  text-align: left;
}

/* FAQ 展开项 */
.faq-list {
  display: grid;
  gap: var(--gap-sm);
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0 18px;
}

.faq-item summary {
  position: relative;
  padding: 14px 30px 14px 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-item p {
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #4b5559;
}

/* 步骤条 */
.path-steps,
.step-list {
  display: grid;
  gap: var(--gap-sm);
}

.path-step,
.step-item {
  position: relative;
  padding: 18px 20px 18px 62px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.path-step .step-num,
.step-item .step-num {
  position: absolute;
  left: 18px;
  top: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-surface);
  background-color: var(--color-accent);
  border-radius: 50%;
}

.path-step .step-title,
.step-item .step-title {
  font-size: 16px;
  font-weight: 700;
}

.path-step p,
.step-item p {
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

.step-item .step-result {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--color-line);
  font-size: 13.5px;
  color: var(--color-muted);
}

/* 反馈说明块 */
.feedback-block {
  margin-top: var(--gap);
  padding: 20px 22px;
}

.feedback-title {
  font-size: 16px;
  font-weight: 700;
}

.feedback-block p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

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

.feedback-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

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

.feedback-list li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--color-warm);
  font-weight: 700;
}

.feedback-note {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--color-muted);
}

/* 相关入口列表 */
.related-list,
.related-links,
.related-entry-list,
.related-entry .related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-list a,
.related-links a,
.related-entry-list a {
  display: inline-block;
  padding: 9px 16px;
  min-height: 40px;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.related-list a:hover,
.related-links a:hover,
.related-entry-list a:hover,
.related-list a:focus-visible,
.related-links a:focus-visible,
.related-entry-list a:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.related-entry {
  margin-top: var(--gap-lg);
}

.related-entry h2 {
  font-size: 20px;
  margin-bottom: var(--gap-sm);
}

/* 图片容器通用约束 */
.hero-figure img,
.cover-figure img,
.genre-hero img,
.rank-cover img,
.section-media img,
.anatomy-figure img,
.guide-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-figure figcaption,
.genre-hero figcaption,
.section-media figcaption,
.anatomy-figure figcaption,
.guide-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero-index {
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(0, 1fr);
  gap: var(--gap-lg);
  align-items: start;
  padding-top: var(--gap-lg);
}

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

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

.hero-figure img {
  aspect-ratio: 4 / 3;
}

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

.hero-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
}

.hero-lead {
  max-width: 640px;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: #4b5559;
}

.hero-entries {
  display: grid;
  gap: var(--gap-sm);
  margin-top: var(--gap-lg);
}

.hero-entry a {
  display: block;
  padding: 16px 20px;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.hero-entry a:hover,
.hero-entry a:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.hero-entry .entry-label {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.hero-entry .entry-desc {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.75;
  color: #4b5559;
}

.hero-entry.is-primary a {
  padding: 22px 24px;
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-accent);
}

.hero-entry.is-primary .entry-label {
  font-size: 19px;
}

.hero-entry.is-primary .entry-desc {
  font-size: 14.5px;
  max-width: 620px;
}

/* 题材方向总览 */
.genre-overview {
  border-top: 1px solid var(--color-line);
}

.genre-grid {
  display: grid;
  gap: var(--gap);
  margin-top: var(--gap);
}

.genre-overview .genre-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.genre-box {
  padding: 20px 20px 22px;
}

/* 封面速览 + 更新记录 双栏 */
.home-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
  gap: var(--gap-lg);
  align-items: start;
}

.cover-section,
.updates-section {
  min-width: 0;
}

.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: var(--gap);
}

.cover-card {
  overflow: hidden;
}

.cover-card a {
  display: block;
  height: 100%;
  padding: 12px;
  color: var(--color-text);
}

.cover-card a:hover,
.cover-card a:focus-visible {
  border-color: var(--color-accent);
}

.cover-card:hover {
  border-color: var(--color-accent);
}

.cover-figure {
  overflow: hidden;
  background-color: var(--color-line);
  border-radius: var(--radius-sm);
}

.cover-figure img {
  aspect-ratio: 3 / 4;
}

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

.cover-meta {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* 更新记录（首页侧栏） */
.updates-section {
  padding: 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.updates-section h2 {
  font-size: 20px;
}

.updates-section .section-lead a {
  color: var(--color-accent);
}

.update-batch + .update-batch {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.batch-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.update-list {
  margin-top: 10px;
}

.update-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 14px;
}

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

.update-time {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-warm);
}

.update-name {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--color-text);
}

.update-status {
  flex: 0 0 auto;
  padding: 2px 8px;
  font-size: 12.5px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border-radius: 999px;
}

.update-genre {
  flex: 0 0 auto;
  font-size: 12.5px;
  color: var(--color-muted);
}

/* 人气位次参考 + 字段口径摘要 */
.ranking-section,
.fields-section {
  min-width: 0;
}

.home-columns .ranking-section,
.home-columns .fields-section {
  padding: 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.ranking-list {
  margin-top: var(--gap);
}

.ranking-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 14.5px;
}

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

.rank-num {
  flex: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-warm);
}

.rank-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14.5px;
  font-weight: 400;
  color: var(--color-text);
}

.rank-genre {
  flex: 0 0 auto;
  font-size: 12.5px;
  color: var(--color-muted);
}

.field-list {
  margin-top: var(--gap);
}

.field-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 14px;
  line-height: 1.8;
  color: #4b5559;
}

.field-list li:last-child {
  border-bottom: 0;
}

.field-list strong {
  color: var(--color-text);
}

/* 查阅路径 + 反馈 */
.path-section {
  border-top: 1px solid var(--color-line);
}

.site-index {
  border-top: 1px solid var(--color-line);
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--gap-sm);
  margin-top: var(--gap);
}

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

.index-item a {
  display: block;
  min-height: 24px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.index-item a:hover,
.index-item a:focus-visible {
  color: var(--color-accent);
}

.index-item p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   pages · 题材分类
   -------------------------------------------------------------------------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-xl);
}

.genre-directory,
.genre-compare,
.genre-fieldref,
.section {
  min-width: 0;
}

.genre-directory > .section-desc,
.genre-compare > .section-desc,
.genre-fieldref > .section-desc {
  margin-top: 10px;
}

.genre-hero {
  margin-top: var(--gap);
  overflow: hidden;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.genre-hero img {
  aspect-ratio: 16 / 7;
}

.genre-directory .genre-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.genre-column {
  padding: 20px;
}

.genre-fields {
  margin: 12px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--color-line);
}

.genre-fields dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-muted);
}

.genre-fields dd {
  margin: 2px 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #4b5559;
}

.genre-fields dd:last-child {
  margin-bottom: 0;
}

.genre-sub {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.genre-compare,
.genre-fieldref {
  padding-top: var(--gap-lg);
  border-top: 1px solid var(--color-line);
}

.compare-list {
  display: grid;
  gap: var(--gap-sm);
  margin-top: var(--gap);
}

.compare-item {
  padding: 18px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.compare-item h3 {
  font-size: 16px;
}

.compare-item p {
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

.item-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border-radius: 999px;
}

.genre-fieldref .field-table {
  margin-top: var(--gap);
}

/* --------------------------------------------------------------------------
   pages · 最近更新
   -------------------------------------------------------------------------- */
.updates-batches,
.updates-fields,
.batch-explainer,
.updates-path,
.related-links {
  padding-top: var(--gap-lg);
}

.updates-batches {
  padding-top: 0;
}

.batch-group {
  padding: 20px 22px;
}

.batch-group + .batch-group {
  margin-top: var(--gap);
}

.batch-head {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}

.batch-head h3 {
  font-size: 17px;
}

.batch-head p {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-muted);
}

.batch-group .update-list {
  margin-top: 6px;
}

.batch-group .update-row {
  padding: 11px 0;
}

.updates-fields .section-media {
  margin-top: var(--gap);
  overflow: hidden;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.updates-fields .section-media img {
  aspect-ratio: 16 / 7;
}

.updates-fields .field-table {
  margin-top: var(--gap);
}

.explainer-cols,
.path-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: var(--gap);
}

.explainer-col,
.path-col {
  padding: 20px 22px;
}

.explainer-col h3,
.path-col h3 {
  font-size: 16px;
}

.explainer-col p,
.path-col p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

.path-note {
  margin-top: var(--gap-sm);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}

.path-note a + a {
  margin-left: 12px;
}

/* --------------------------------------------------------------------------
   pages · 人气位次
   -------------------------------------------------------------------------- */
.ranking-list-section,
.ranking-scope-section,
.ranking-relation-section,
.ranking-next-section,
.related-entry-section {
  padding-top: var(--gap-lg);
}

.ranking-list-section {
  padding-top: 0;
}

.ranking-list-section .ranking-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--gap-lg);
  margin-top: var(--gap);
}

.ranking-list-section .ranking-row {
  display: grid;
  grid-template-columns: 34px 72px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
}

.ranking-list-section .rank-index {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-warm);
  padding-top: 2px;
}

.rank-cover {
  overflow: hidden;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}

.rank-cover img {
  aspect-ratio: 3 / 4;
}

.rank-body {
  min-width: 0;
}

.rank-body .rank-name {
  font-size: 15.5px;
  font-weight: 700;
}

.rank-meta {
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-muted);
}

.rank-note {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #4b5559;
}

.scope-grid,
.relation-grid,
.next-step-list {
  display: grid;
  gap: var(--gap);
  margin-top: var(--gap);
}

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

.relation-grid,
.next-step-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.scope-item,
.relation-item,
.next-step {
  padding: 20px 22px;
}

.scope-item h3,
.relation-item h3,
.next-step h3 {
  font-size: 16px;
}

.scope-item p,
.relation-item p,
.next-step p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

/* --------------------------------------------------------------------------
   pages · 条目字段说明
   -------------------------------------------------------------------------- */
.section-field-anatomy,
.section-status,
.section-field-relation,
.section-faq,
.section-related {
  padding-top: var(--gap-lg);
  margin-top: var(--gap-lg);
  border-top: 1px solid var(--color-line);
}

.section-field-table {
  padding-top: 0;
}

.field-table-wrap {
  margin-top: var(--gap);
  overflow-x: auto;
}

.anatomy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap-lg);
  align-items: start;
  margin-top: var(--gap);
}

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

.anatomy-figure img {
  aspect-ratio: 4 / 3;
}

.anatomy-notes h3 {
  font-size: 16px;
}

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

.note-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

.note-list li + li {
  margin-top: 10px;
}

.note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: var(--gap);
}

.status-item {
  padding: 20px 22px;
}

.status-item h3 {
  font-size: 16px;
}

.status-item p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

.status-note {
  margin-top: var(--gap-sm);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}

.relation-list {
  display: grid;
  gap: var(--gap);
  margin-top: var(--gap);
}

.section-faq .faq-list {
  margin-top: var(--gap);
}

.section-related .related-links {
  margin-top: var(--gap);
}

/* --------------------------------------------------------------------------
   pages · 查阅指引
   -------------------------------------------------------------------------- */
.guide-steps,
.guide-checklist,
.guide-feedback,
.guide-faq,
.guide-steps + .related-links {
  padding-top: var(--gap-lg);
}

.guide-steps {
  padding-top: 0;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: var(--gap);
}

.checklist-card {
  padding: 20px 22px;
}

.checklist-card h3 {
  font-size: 16px;
}

.checklist-see,
.checklist-check {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #4b5559;
}

.checklist-check {
  padding-top: 8px;
  border-top: 1px dashed var(--color-line);
  color: var(--color-muted);
}

.guide-figure {
  margin-top: var(--gap);
  overflow: hidden;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.guide-figure img {
  aspect-ratio: 16 / 7;
}

.guide-feedback .feedback-block {
  margin-top: var(--gap);
}

.guide-faq .faq-list {
  display: grid;
  gap: var(--gap-sm);
  margin-top: var(--gap);
}

.related-links .related-list {
  margin-top: var(--gap);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.error-panel {
  padding: 40px 32px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-warm);
}

.error-panel h1 {
  margin-top: 10px;
  font-size: 28px;
  font-weight: 700;
}

.error-lead {
  max-width: 620px;
  margin-top: 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: #4b5559;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--gap);
}

.error-actions a {
  display: inline-block;
  padding: 10px 16px;
  min-height: 44px;
  font-size: 14.5px;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.error-actions a:hover,
.error-actions a:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.error-actions a.error-action-primary {
  color: var(--color-surface);
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.error-actions a.error-action-primary:hover,
.error-actions a.error-action-primary:focus-visible {
  color: var(--color-surface);
  background-color: #35594a;
}

.error-subtitle {
  margin-top: var(--gap-lg);
  font-size: 18px;
}

.error-panel > p:last-child {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #4b5559;
}

/* --------------------------------------------------------------------------
   components · 悬停增强（不影响初始可见）
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .genre-box,
  .cover-card,
  .batch-group,
  .scope-item,
  .status-item,
  .checklist-card,
  .path-step,
  .step-item {
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
  }

  .genre-box:hover,
  .scope-item:hover,
  .status-item:hover,
  .checklist-card:hover {
    border-color: #cfc8bd;
  }
}

/* --------------------------------------------------------------------------
   responsive · 900px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .site-header-inner {
    flex-wrap: wrap;
    padding: 12px 18px;
  }

  .site-brand {
    font-size: 19px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 0 4px;
    border-top: 1px solid var(--color-line);
  }

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

  .nav-list a {
    padding: 12px 10px;
    min-height: 44px;
    border-bottom: 1px solid var(--color-line);
    border-radius: 0;
  }

  .nav-list a.is-current {
    border-bottom-color: var(--color-line);
    background-color: var(--color-accent-soft);
  }

  .fact-bar p {
    padding: 8px 18px;
    font-size: 13px;
  }

  .home-main,
  .inner-main {
    padding: 0 18px 56px;
  }

  .inner-main {
    padding-top: 16px;
  }

  .page-title {
    font-size: 26px;
  }

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

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

  .hero-figure img {
    aspect-ratio: 16 / 9;
  }

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

  .home-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--gap-lg);
  }

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

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

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

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

  .anatomy-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--gap);
  }

  .site-footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap-lg) var(--gap);
    padding: 36px 18px 28px;
  }

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

/* --------------------------------------------------------------------------
   responsive · 600px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  body.site-body {
    font-size: 15.5px;
  }

  .site-header-inner {
    padding: 10px 14px;
  }

  .fact-bar p {
    padding: 8px 14px;
    font-size: 12.5px;
  }

  .home-main,
  .inner-main {
    padding: 0 14px 48px;
  }

  .inner-main {
    padding-top: 14px;
  }

  .page-header {
    padding: 6px 0 20px;
    margin-bottom: var(--gap-lg);
  }

  .page-title {
    font-size: 22px;
  }

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

  .home-main h2,
  .inner-main section > h2,
  .inner-main .section > h2,
  .section-head h2 {
    font-size: 19px;
  }

  .hero-index {
    padding-top: var(--gap);
  }

  .hero-title {
    font-size: 23px;
  }

  .hero-entry.is-primary a {
    padding: 18px 18px;
  }

  .hero-entry.is-primary .entry-label {
    font-size: 17px;
  }

  .genre-overview .genre-grid,
  .genre-directory .genre-grid,
  .cover-grid,
  .index-grid,
  .explainer-cols,
  .path-cols,
  .scope-grid,
  .relation-grid,
  .next-step-list,
  .status-grid,
  .checklist-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .cover-grid {
    gap: var(--gap-sm);
  }

  .cover-card a {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
  }

  .cover-figure {
    grid-row: 1 / span 2;
  }

  .cover-name {
    margin-top: 0;
  }

  .ranking-list-section .ranking-row {
    grid-template-columns: 26px 60px minmax(0, 1fr);
    gap: 10px;
  }

  .update-row {
    font-size: 13.5px;
  }

  .path-step,
  .step-item {
    padding: 16px 16px 16px 56px;
  }

  .path-step .step-num,
  .step-item .step-num {
    left: 14px;
    top: 16px;
  }

  .field-table th,
  .field-table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  .site-footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--gap-lg);
    padding: 32px 14px 24px;
  }

  .footer-bottom p {
    padding: 4px 14px;
  }

  .error-main {
    padding: 40px 14px 56px;
  }

  .error-panel {
    padding: 28px 20px;
  }

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