/* =========================================================
   工口漫画网 - 全站样式表
   版本: 1.0
   说明: 文化场馆风 · 暖白背景 · 暗红强调
   ========================================================= */

/* =========================================================
   01. Base — 基础变量、重置与全局元素
   ========================================================= */
:root {
  --color-bg: #F5F2EB;
  --color-text: #1F1D1B;
  --color-accent: #A23B3B;
  --color-border: #E0D8CC;
  --color-footer-bg: #EFECE5;
  --color-card-bg: #FFFFFF;
  --color-muted: #6B6560;

  --font-serif: Georgia, 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;

  --container-width: 1200px;
  --radius: 8px;
  --radius-sm: 4px;
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #7A2B2B;
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  color: var(--color-text);
}

.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;
}

/* =========================================================
   02. Layout — 全局布局骨架
   ========================================================= */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.site-inner .inner-main,
.home-main {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}

.nav-list a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.nav-list a:hover {
  background-color: rgba(162, 59, 59, 0.08);
  color: var(--color-accent);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--color-accent);
  font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
  border-radius: 0;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
}

.footer-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}

.footer-col ul {
  list-style: none;
}

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

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

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-muted);
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

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

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

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

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* 内页页面标题区 */
.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 8px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* =========================================================
   03. Components — 通用组件
   ========================================================= */

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #7A2B2B;
  color: #FFFFFF;
  text-decoration: none;
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-secondary:hover {
  background-color: rgba(162, 59, 59, 0.08);
  color: var(--color-accent);
  text-decoration: none;
}

/* 题材标签 */
.tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1;
  padding: 4px 10px;
  border-radius: 999px;
  background-color: rgba(162, 59, 59, 0.08);
  color: var(--color-accent);
  white-space: nowrap;
}

/* 卡片通用 hover */
.cover-card,
.exhibit-card,
.guide-card,
.help-card,
.entry-card,
.mini-card {
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.cover-card:hover,
.exhibit-card:hover,
.guide-card:hover,
.help-card:hover,
.entry-card:hover,
.mini-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(31, 29, 27, 0.08);
}

/* 分页 */
.pagination {
  margin: 40px auto 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.pagination-list {
  display: flex;
  gap: 8px;
  align-items: center;
}

.pagination a,
.pagination .page-current,
.pagination span.page-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  font-size: 15px;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.pagination .page-current,
.pagination span.page-current {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
  font-weight: 600;
}

/* =========================================================
   04. Pages — 首页
   ========================================================= */

/* Hero 展馆首屏 */
.hero {
  padding: 56px 0 48px;
}

.hero-copy {
  max-width: 560px;
}

.hero-copy h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

.hero-copy p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  margin-top: 40px;
}

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

.hero-figure img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.hero-mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.mini-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
  cursor: pointer;
}

.mini-card img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.mini-card-info {
  min-width: 0;
}

.mini-card-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-card-info .tag {
  display: inline-block;
  margin-right: 4px;
  margin-bottom: 4px;
}

.mini-card-info .status {
  font-size: 12px;
  color: var(--color-muted);
  display: block;
}

/* 题材标签条 */
.topic-tags {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.topic-tags h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 640px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-item {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 15px;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
}

.tag-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(162, 59, 59, 0.04);
  text-decoration: none;
}

/* 最近更新封面墙 */
.latest-updates {
  padding: 48px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: 26px;
  font-weight: 700;
}

.section-more {
  font-size: 14px;
  color: var(--color-accent);
  flex-shrink: 0;
  padding-bottom: 4px;
}

.section-more:hover {
  text-decoration: underline;
}

.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

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

.cover-card a {
  display: block;
  text-decoration: none;
  color: var(--color-text);
}

.cover-card a:hover {
  text-decoration: none;
}

.cover-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.cover-info {
  padding: 16px;
}

.cover-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.cover-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.update-time {
  font-size: 13px;
  color: var(--color-muted);
}

/* 人气榜单摘要 */
.popular-ranking {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.rank-list {
  margin-top: 24px;
  counter-reset: rank;
}

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-info {
  flex: 1;
  min-width: 0;
}

.rank-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.rank-info h3 a {
  color: var(--color-text);
}

.rank-info h3 a:hover {
  color: var(--color-accent);
}

.rank-info .tag {
  display: inline-block;
  margin-bottom: 6px;
}

.rank-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 展馆导览卡片 */
.gallery-guide {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.guide-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.guide-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.guide-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.guide-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.guide-link:hover {
  text-decoration: underline;
}

/* 阅读指南与版权说明双卡 */
.reader-help {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.help-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.help-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.help-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.help-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.help-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.help-link:hover {
  text-decoration: underline;
}

/* =========================================================
   05. Pages — 题材展馆 (gallery)
   ========================================================= */

/* 标签筛选栏 */
.tag-filter {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 8px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  font-size: 14px;
  color: var(--color-text);
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.filter-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.filter-chip.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
  font-weight: 500;
}

/* 按题材分组 */
.works-by-topic {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.topic-group {
  margin-bottom: 48px;
  scroll-margin-top: 80px;
}

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

.topic-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.topic-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 640px;
}

.exhibit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.exhibit-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.exhibit-figure {
  overflow: hidden;
}

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

.exhibit-info {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.exhibit-name {
  font-size: 17px;
  font-weight: 600;
  font-family: var(--font-serif);
}

.exhibit-tags {
  font-size: 13px;
  color: var(--color-muted);
}

.exhibit-status {
  font-size: 13px;
  color: var(--color-muted);
}

.exhibit-update {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: auto;
}

/* 分页 */
.page-link,
.page-next {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  font-size: 15px;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}

.page-link:hover,
.page-next:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* 相关链接 */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-label {
  font-size: 14px;
  color: var(--color-muted);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-accent);
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color var(--transition), color var(--transition);
}

.related-links-item:hover {
  border-color: var(--color-accent);
  text-decoration: none;
}

/* =========================================================
   06. Pages — 更新动态 (updates)
   ========================================================= */

/* 状态筛选 */
.status-filter {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 8px;
}

.filter-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-item {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  font-size: 14px;
  color: var(--color-text);
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.filter-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.filter-item.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
  font-weight: 500;
}

/* 时间线 */
.timeline {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.timeline > h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 24px;
}

.time-group {
  margin-bottom: 40px;
}

.time-group-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-accent);
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.update-item:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(31, 29, 27, 0.06);
}

.update-thumb {
  flex-shrink: 0;
}

.update-thumb img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.update-info {
  flex: 1;
  min-width: 0;
}

.update-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: var(--font-serif);
}

.update-tags {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 2px;
}

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

.status-badge {
  flex-shrink: 0;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 500;
  white-space: nowrap;
}

.status-serial {
  background-color: rgba(162, 59, 59, 0.1);
  color: var(--color-accent);
}

.status-done {
  background-color: rgba(107, 101, 96, 0.1);
  color: var(--color-muted);
}

/* 相关入口 */
.related-entry {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

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

.entry-card {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  color: var(--color-text);
}

.entry-card:hover {
  border-color: var(--color-accent);
  text-decoration: none;
  color: var(--color-text);
}

.entry-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.entry-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* =========================================================
   07. Pages — 人气榜单 (ranking)
   ========================================================= */

/* 榜单切换 */
.tab-switch {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 24px 8px;
  display: flex;
  gap: 10px;
}

.tab-item {
  display: inline-block;
  padding: 10px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  font-size: 15px;
  color: var(--color-text);
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}

.tab-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.tab-item.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
  font-weight: 500;
}

/* 排行列表 */
.ranking-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
}

.ranking-list .rank-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.ranking-list .rank-item:last-child {
  border-bottom: none;
}

.rank-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-cover {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.rank-info {
  flex: 1;
  min-width: 0;
}

.rank-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: var(--font-serif);
}

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

.rank-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.ranking-note {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 8px 24px 24px;
  font-size: 13px;
  color: var(--color-muted);
  font-style: italic;
}

/* 相关推荐 */
.rank-related {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.related-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* =========================================================
   08. Pages — 阅读指南 (guide)
   ========================================================= */

.steps {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  gap: 16px;
}

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.step-content a {
  font-size: 14px;
  color: var(--color-accent);
}

/* FAQ */
.faq {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  position: relative;
  font-family: var(--font-serif);
}

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

.faq-item summary::after {
  content: '+';
  font-size: 22px;
  color: var(--color-accent);
  font-weight: 400;
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 24px 18px;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

.faq-item p a {
  color: var(--color-accent);
}

/* 版权说明 */
.copyright-note {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.copyright-box {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.copyright-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.copyright-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 8px;
  font-style: italic;
}

.copyright-box p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
}

/* =========================================================
   09. Pages — 关于本站 (about)
   ========================================================= */

.positioning {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.positioning-copy h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
}

.positioning-copy p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.positioning-copy a {
  color: var(--color-accent);
}

.positioning-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
}

.positioning-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 8px;
  font-style: italic;
  text-align: center;
}

/* 内容筛选标准 */
.principles {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.principles > h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.principles-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 640px;
}

.principle {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.principle h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.principle p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

.principle a {
  color: var(--color-accent);
  font-size: 14px;
}

/* 内容边界 */
.boundary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.boundary > h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.boundary > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 640px;
}

.boundary ul {
  list-style: disc;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.boundary li {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  padding-left: 4px;
}

/* 反馈 */
.feedback {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
}

.feedback h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feedback p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 12px;
  max-width: 720px;
}

.feedback a {
  color: var(--color-accent);
}

/* 相关链接网格 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.related-card {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition), transform var(--transition);
}

.related-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--color-text);
}

.related-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.related-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* =========================================================
   10. Pages — 404 页面
   ========================================================= */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

.error-panel {
  max-width: 520px;
  text-align: center;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 48px 40px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-action {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 24px;
  transition: background-color var(--transition);
}

.error-action:hover {
  background-color: #7A2B2B;
  color: #FFFFFF;
  text-decoration: none;
}

.error-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

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

.error-links a:hover {
  color: var(--color-accent);
}

/* =========================================================
   11. Responsive — 响应式
   ========================================================= */
@media (max-width: 992px) {
  .cover-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .steps-list {
    grid-template-columns: 1fr;
    max-width: 640px;
  }

  .positioning {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .positioning-media img {
    height: 220px;
  }

  .copyright-box {
    grid-template-columns: 1fr;
  }

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

  .entry-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 12px 16px;
  }

  .brand-name {
    font-size: 20px;
  }

  .brand-tagline {
    font-size: 11px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 4px;
    box-shadow: 0 8px 16px rgba(31, 29, 27, 0.08);
  }

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

  .nav-list a {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
  }

  .nav-list a.is-current {
    border-bottom: none;
    border-left: 3px solid var(--color-accent);
    border-radius: 0;
    background-color: rgba(162, 59, 59, 0.06);
  }

  .site-nav {
    position: relative;
  }

  .hero-copy h1 {
    font-size: 32px;
  }

  .hero-figure img {
    height: 240px;
  }

  .hero-mini-cards {
    grid-template-columns: 1fr;
  }

  .mini-card {
    padding: 10px;
  }

  .mini-card img {
    width: 56px;
    height: 56px;
  }

  .cover-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cover-card img {
    height: 200px;
  }

  .guide-cards {
    grid-template-columns: 1fr;
  }

  .help-cards {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .footer-bottom {
    padding: 12px 16px;
  }

  .breadcrumb {
    padding: 16px 16px 0;
  }

  .page-header {
    padding: 24px 16px 8px;
  }

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

  .inner-main {
    padding: 0 16px;
  }

  .tag-filter,
  .status-filter,
  .timeline,
  .works-by-topic,
  .ranking-list,
  .steps,
  .faq,
  .copyright-note,
  .positioning,
  .principles,
  .boundary,
  .feedback,
  .rank-related,
  .related-entry {
    padding-left: 16px;
    padding-right: 16px;
  }

  .exhibit-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .exhibit-figure img {
    height: 200px;
  }

  .update-item {
    flex-wrap: wrap;
  }

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

  .status-badge {
    margin-left: auto;
  }

  .ranking-list .rank-item {
    gap: 12px;
  }

  .rank-cover {
    width: 56px;
    height: 56px;
  }

  .rank-number {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }

  .entry-cards {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 16px 14px;
  }

  .error-panel {
    padding: 32px 24px;
  }

  .error-code {
    font-size: 56px;
  }

  .error-links {
    flex-direction: column;
    gap: 8px;
  }

  .pagination {
    flex-wrap: wrap;
  }

  .pagination a,
  .pagination .page-current,
  .pagination span.page-current,
  .page-link,
  .page-next {
    min-width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .hero-copy h1 {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .btn-primary,
  .btn-secondary {
    text-align: center;
    width: 100%;
  }

  .tag-list {
    gap: 8px;
  }

  .tag-item {
    padding: 8px 14px;
    font-size: 14px;
  }

  .cover-card img {
    height: 180px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .rank-item {
    gap: 12px;
  }

  .rank-num {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .rank-info h3 {
    font-size: 16px;
  }

  .guide-card,
  .help-card {
    padding: 20px 16px;
  }

  .filter-bar,
  .filter-group {
    gap: 8px;
  }

  .filter-chip,
  .filter-item {
    padding: 8px 14px;
    font-size: 13px;
  }

  .exhibit-info {
    padding: 12px;
  }

  .exhibit-name {
    font-size: 16px;
  }

  .time-group-title {
    font-size: 18px;
  }

  .update-item {
    padding: 10px;
    gap: 12px;
  }

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

  .update-name {
    font-size: 15px;
  }

  .update-note {
    font-size: 13px;
  }

  .rank-name {
    font-size: 16px;
  }

  .rank-desc {
    font-size: 13px;
  }

  .tab-item {
    padding: 8px 20px;
    font-size: 14px;
  }

  .copyright-box {
    padding: 20px 16px;
  }

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

  .error-panel {
    padding: 24px 16px;
  }

  .error-code {
    font-size: 48px;
  }
}