/* =========================================================
   歪歪漫画在线免费观看 · 全站样式表
   视觉方向：学术期刊风（衬线正文 + 无衬线标题）
   配色：米白底 / 深灰正文 / 棕褐强调 / 浅褐边框
   ========================================================= */

/* =========================================================
   Base — 基础变量、重置、全局字体与骨架
   ========================================================= */
:root {
  --color-bg: #f5f0e8;
  --color-text: #2c2c2c;
  --color-accent: #8b7355;
  --color-border: #d9c7a7;
  --color-white: #ffffff;
  --color-muted: #6b6b6b;
  --color-light: #efe8dc;
  --font-serif: Georgia, 'Times New Roman', 'Songti SC', 'SimSun', serif;
  --font-sans: Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --container-width: 1200px;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(44, 44, 44, 0.06);
}

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

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

body {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #6b5438;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-sans);
  line-height: 1.3;
  font-weight: 700;
}

/* =========================================================
   Layout — 页头、页脚、主容器、面包屑、页面标题区
   ========================================================= */
.site-header {
  background-color: var(--color-white);
  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: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.brand-name {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}

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

.site-nav .nav-list {
  display: flex;
  gap: 4px;
}

.site-nav .nav-list li a {
  display: block;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: background-color 0.2s, color 0.2s;
}

.site-nav .nav-list li a:hover {
  background-color: var(--color-bg);
}

.site-nav .nav-list li a.is-current {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
}

.site-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px 60px;
}

.inner-main {
  padding-top: 24px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 10px 0 0;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 0.75rem;
}

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

/* 页面标题区 */
.page-header {
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.page-title {
  font-size: 1.8rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 720px;
}

/* 页脚 */
.site-footer {
  background-color: #eae3d6;
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.footer-col p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
}

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

.footer-col ul li a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 20px;
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* =========================================================
   Components — 通用组件：区块标题、卡片、按钮、分页等
   ========================================================= */
.section-title {
  font-size: 1.35rem;
  color: var(--color-text);
  margin-bottom: 8px;
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.section-desc,
.section-intro {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 760px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.section-more {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
}

.section-more::after {
  content: ' →';
}

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

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

.btn-primary:hover {
  background-color: #6b5438;
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  margin-top: 24px;
}

.page-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-radius: var(--radius);
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-radius: var(--radius);
}

.page-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 图片容器统一约束 */
figure {
  margin: 16px 0;
}

figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
  padding: 8px 0 0;
  font-style: italic;
}

/* =========================================================
   Pages — 首页
   ========================================================= */
/* Hero 区 */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 40px;
}

.hero-content h1 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

/* 题材分类导航带 */
.category-nav-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.category-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-tag-list li a {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.category-tag-list li a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* 最近更新区 */
.recent-section {
  padding: 32px 0;
}

.recent-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.recent-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.recent-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.recent-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

.recent-info {
  padding: 12px;
}

.recent-title {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.recent-meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.recent-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.update-time {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-accent);
  border-top: 1px solid var(--color-border);
}

/* 人气榜单预览 */
.ranking-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.ranking-item {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.ranking-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.rank-number {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50%;
}

.ranking-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.ranking-info {
  padding: 12px;
}

.ranking-title {
  font-size: 1rem;
  margin-bottom: 4px;
}

.ranking-reason {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* 指南与技巧入口 */
.guide-entry-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.guide-entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.guide-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.guide-card-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.guide-card-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.card-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
}

.card-link::after {
  content: ' →';
}

/* =========================================================
   Pages — 题材分类（categories.html）
   ========================================================= */
.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}

/* 侧栏 */
.category-sidebar {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 84px;
}

.sidebar-title {
  font-size: 1rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.category-quick-list li {
  margin-bottom: 4px;
}

.category-quick-list li a {
  display: block;
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: background-color 0.2s, color 0.2s;
}

.category-quick-list li a:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
}

.sidebar-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  line-height: 1.5;
}

/* 分类卡片网格 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.category-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.category-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-family: var(--font-sans);
  font-size: 1.2rem;
}

.category-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.category-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.category-link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
}

.category-link::after {
  content: ' →';
}

/* 分类说明区 */
.category-description-section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.category-description-section p {
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

/* 相关推荐 */
.related-entry {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.related-link-list li {
  margin-bottom: 8px;
}

.related-link-list li a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.related-link-list li a::before {
  content: '· ';
  color: var(--color-accent);
}

/* =========================================================
   Pages — 阅读指南（guide.html）
   ========================================================= */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

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

.guide-section {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.guide-section:last-child {
  border-bottom: none;
}

.guide-section h2 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.guide-section p {
  font-size: 0.95rem;
  margin-bottom: 12px;
  line-height: 1.7;
  max-width: 640px;
}

.guide-section p a {
  font-weight: 700;
  text-decoration: underline;
}

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

/* 侧栏卡片 */
.content-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 84px;
}

.side-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.side-card h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

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

.side-links li a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.side-links li a::before {
  content: '· ';
  color: var(--color-accent);
}

/* =========================================================
   Pages — 最近更新（recent.html）
   ========================================================= */
.update-group {
  margin-bottom: 32px;
}

.update-group .section-title {
  margin-bottom: 12px;
}

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

.update-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.update-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.comic-update-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
}

.comic-cover {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

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

.comic-title {
  font-size: 1rem;
  margin-bottom: 4px;
}

.chapter-info {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 2px;
}

.update-time {
  font-size: 0.8rem;
  color: var(--color-accent);
}

/* 相关链接 */
.related-links {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.related-list li {
  margin-bottom: 8px;
}

.related-list li a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.related-list li a::before {
  content: '· ';
  color: var(--color-accent);
}

/* =========================================================
   Pages — 人气榜单（ranking.html）
   ========================================================= */
.ranking-section {
  margin-bottom: 40px;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: rank;
}

.ranking-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.ranking-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  transition: background-color 0.2s;
}

.ranking-card:hover {
  background-color: var(--color-light);
}

.ranking-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.ranking-cover img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

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

.ranking-title {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.ranking-reason {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.ranking-info a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
}

.ranking-info a::after {
  content: ' →';
}

/* 编辑推荐 */
.editor-pick-section {
  margin-bottom: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.editor-pick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.editor-card {
  display: flex;
  gap: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.editor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.editor-cover img {
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

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

.editor-title {
  font-size: 1rem;
  margin-bottom: 6px;
}

.editor-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 8px;
  line-height: 1.5;
}

.editor-info a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
}

.editor-info a::after {
  content: ' →';
}

/* 榜单说明 */
.ranking-note {
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.ranking-note p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.ranking-note p a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  margin-right: 16px;
}

.ranking-note p a::before {
  content: '· ';
  color: var(--color-accent);
}

/* =========================================================
   Pages — 追更技巧（tips.html）
   ========================================================= */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.tips-article {
  min-width: 0;
}

.tips-section {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.tips-section:last-child {
  border-bottom: none;
}

.tips-section .section-title {
  margin-bottom: 12px;
}

.tips-section .section-subtitle {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.tips-section p {
  font-size: 0.95rem;
  margin-bottom: 12px;
  line-height: 1.7;
  max-width: 640px;
}

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

/* 侧栏 */
.related-links {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 84px;
}

.related-title {
  font-size: 1rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

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

.related-links ul li a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.related-links ul li a::before {
  content: '· ';
  color: var(--color-accent);
}

/* =========================================================
   Pages — 404
   ========================================================= */
.error-main {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-section {
  text-align: center;
  max-width: 520px;
  padding: 40px 20px;
}

.error-code {
  font-family: var(--font-sans);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.error-section h1 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.error-link {
  display: inline-block;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.error-link:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* =========================================================
   Responsive — 响应式断点
   ========================================================= */
@media (max-width: 1024px) {
  .recent-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-layout.sidebar-left {
    grid-template-columns: 240px 1fr;
    gap: 24px;
  }

  .page-layout {
    grid-template-columns: 1fr 280px;
    gap: 24px;
  }

  .content-layout {
    grid-template-columns: 1fr 260px;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 60px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
  }

  .site-nav .nav-list {
    display: none;
    flex-direction: column;
    padding: 12px 20px;
    gap: 0;
  }

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

  .site-nav .nav-list li a {
    padding: 12px 8px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav .nav-list li:last-child a {
    border-bottom: none;
  }

  .site-nav .nav-list li a.is-current {
    background-color: transparent;
    color: var(--color-accent);
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

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

  .recent-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .ranking-item img {
    height: 200px;
  }

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

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

  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
  }

  .category-sidebar {
    position: static;
    margin-bottom: 16px;
  }

  .page-layout {
    grid-template-columns: 1fr;
  }

  .content-side {
    position: static;
    grid-row: auto;
  }

  .content-layout {
    grid-template-columns: 1fr;
  }

  .related-links {
    position: static;
  }

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

  .editor-pick-grid {
    grid-template-columns: 1fr;
  }

  .ranking-card {
    flex-wrap: wrap;
  }

  .ranking-cover img {
    width: 64px;
    height: 84px;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .error-code {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 16px;
  }

  .site-main {
    padding: 0 16px 40px;
  }

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

  .page-header {
    padding: 20px 0 16px;
    margin-bottom: 24px;
  }

  .page-title {
    font-size: 1.3rem;
  }

  .hero-content h1 {
    font-size: 1.4rem;
  }

  .hero-cta {
    flex-direction: column;
  }

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

  .recent-list {
    grid-template-columns: 1fr;
  }

  .recent-item {
    display: flex;
    align-items: stretch;
  }

  .recent-item img {
    width: 96px;
    height: 128px;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    flex-shrink: 0;
  }

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

  .update-time {
    border-top: none;
  }

  .comic-update-card {
    flex-wrap: wrap;
  }

  .comic-cover {
    width: 64px;
    height: 84px;
  }

  .editor-card {
    flex-direction: column;
  }

  .editor-cover img {
    width: 100%;
    height: 160px;
  }

  .category-card {
    padding: 16px;
  }

  .footer-inner {
    padding: 24px 16px 16px;
  }

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

  .breadcrumb {
    font-size: 0.8rem;
  }

  .section-title {
    font-size: 1.15rem;
  }

  .error-actions {
    flex-direction: column;
  }
}