/* ============================================================
   里番动漫免费看 - 全站样式表
   版本：1.0
   说明：本样式表覆盖全站所有页面，基于真实 DOM 结构编写
   ============================================================ */

/* ============================================================
   1. Base / 基础样式
   ============================================================ */

:root {
  --color-bg: #f5f5f5;
  --color-text: #333333;
  --color-primary: #ff6b6b;
  --color-secondary: #4ecdc4;
  --color-white: #ffffff;
  --color-border: #e0e0e0;
  --color-muted: #777777;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Cascadia Code", Consolas,
    "Courier New", monospace;
  --container-max: 1200px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition-base: 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: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: #e05555;
}

ul,
ol {
  list-style-position: inside;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   2. Layout / 全站布局骨架
   ============================================================ */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.brand-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.brand-logo:hover {
  color: var(--color-primary);
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.nav-toggle:hover {
  background-color: var(--color-bg);
}

.nav-toggle .icon-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  margin: 3px 0;
  border-radius: 1px;
}

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

.nav-list li {
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
}

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

.nav-list a.is-current {
  color: var(--color-primary);
  background-color: rgba(255, 107, 107, 0.08);
  font-weight: 600;
}

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

/* 内页统一主容器 */
.inner-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 32px 24px 48px;
  width: 100%;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: #bbb;
}

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

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

.page-title {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-description {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 720px;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 40px 0 24px;
}

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

.footer-brand {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 480px;
  margin-bottom: 24px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.footer-nav a {
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 4px 0;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ============================================================
   3. Components / 通用组件
   ============================================================ */

/* 章节标题 */
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-left: 14px;
}

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

/* 更多链接 */
.more-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
}

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

/* 标签 */
.tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  transition: all var(--transition-base);
}

.tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(255, 107, 107, 0.04);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #e05555;
  color: var(--color-white);
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 滚动出现动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   4. Pages / 页面专属样式
   ============================================================ */

/* ---------- 4.1 首页 index.html ---------- */

.home-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px 48px;
}

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

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--color-white);
}

.hero-figure img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  max-height: 400px;
  object-fit: cover;
}

/* 题材分类带 */
.category-strip {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.category-tags .tag {
  font-size: 0.95rem;
  padding: 8px 18px;
}

/* 最近更新 */
.recent-updates {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.update-group {
  margin-bottom: 24px;
}

.update-date {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.update-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.update-card {
  display: flex;
  gap: 12px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.update-card:hover {
  box-shadow: var(--shadow-sm);
}

.update-card img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.card-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
}

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

.ranking-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.ranking-item:hover {
  box-shadow: var(--shadow-sm);
}

.rank-number {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-mono);
  min-width: 32px;
}

.rank-content {
  flex: 1;
}

.rank-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.rank-reason {
  font-size: 0.9rem;
  color: var(--color-muted);
}

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

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

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

.guide-card:hover {
  box-shadow: var(--shadow-sm);
}

.guide-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.card-link {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
}

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

/* ---------- 4.2 分类页 categories.html ---------- */

.page-categories .layout-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}

.category-aside {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px;
  position: sticky;
  top: calc(var(--header-height) + 16px);
}

.aside-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.category-aside .category-tags {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-aside .category-tags li {
  list-style: none;
}

.category-aside .category-tags a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.category-aside .category-tags a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.category-quick-links {
  margin-bottom: 32px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  transition: all var(--transition-base);
}

.tag-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.genre-showcase {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.genre-block {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px;
}

.genre-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.genre-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

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

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

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

.comic-figure figcaption {
  padding: 10px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  background-color: var(--color-white);
}

.related-links {
  margin-top: 32px;
  padding: 20px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
}

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

.related-links a {
  margin-right: 16px;
}

/* ---------- 4.3 阅读指南 guide.html ---------- */

.page-guide .layout-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

.guide-toc {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px;
  position: sticky;
  top: calc(var(--header-height) + 16px);
}

.guide-toc h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.guide-toc ol {
  list-style: none;
  counter-reset: toc;
}

.guide-toc li {
  counter-increment: toc;
  margin-bottom: 4px;
  list-style: none;
}

.guide-toc li a {
  display: block;
  padding: 6px 12px;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.guide-toc li a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.guide-toc li a::before {
  content: counter(toc) ".";
  font-family: var(--font-mono);
  margin-right: 6px;
  color: var(--color-primary);
  font-weight: 600;
}

.guide-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.guide-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
}

.guide-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 10px 12px;
  font-size: 0.9rem;
  color: var(--color-muted);
  background-color: var(--color-white);
}

.guide-section {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px;
}

.guide-section h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.guide-section p {
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.workflow-list {
  list-style: none;
  padding-left: 0;
  margin: 16px 0;
}

.workflow-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  list-style: none;
}

.workflow-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ---------- 4.4 最近更新 recent.html ---------- */

.update-section {
  margin-bottom: 32px;
}

.section-note {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.update-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 16px;
  margin-bottom: 12px;
  transition: box-shadow var(--transition-base);
}

.update-item:hover {
  box-shadow: var(--shadow-sm);
}

.update-cover {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: 96px;
  height: 128px;
}

.update-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.update-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.update-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.update-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.update-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 4px;
}

.update-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.9rem;
  font-weight: 500;
}

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

.update-note-section {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px 24px;
  margin-top: 32px;
}

.update-note-section p {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

/* ---------- 4.5 人气榜单 ranking.html ---------- */

.ranking-section {
  margin-bottom: 40px;
}

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

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

.ranking-section .ranking-item {
  display: flex;
  gap: 16px;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 16px;
  transition: box-shadow var(--transition-base);
}

.ranking-section .ranking-item:hover {
  box-shadow: var(--shadow-sm);
}

.cover-wrap {
  flex-shrink: 0;
  width: 80px;
  height: 104px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ranking-info {
  flex: 1;
  position: relative;
  padding-right: 40px;
}

.item-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.item-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.rank-badge {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-primary);
}

.editor-picks {
  margin-bottom: 40px;
}

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

.pick-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.pick-card:hover {
  box-shadow: var(--shadow-sm);
}

.pick-card figure {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.pick-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pick-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  padding: 16px 16px 4px;
}

.pick-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  padding: 0 16px;
  margin-bottom: 12px;
}

.pick-card a {
  display: inline-block;
  margin: 0 16px 16px;
  font-size: 0.9rem;
  font-weight: 500;
}

.pick-card a:hover {
  text-decoration: underline;
}

.ranking-notes {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px 24px;
}

.ranking-notes p {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

/* ---------- 4.6 追更技巧 tips.html ---------- */

.tips-content {
  margin-bottom: 32px;
}

.tips-content > h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.tips-content > p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.tips-block {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.tips-block h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.tips-block p {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.plan-section {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 32px;
}

.plan-section h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.plan-section > p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.plan-list {
  list-style: none;
  margin-bottom: 20px;
}

.plan-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.95rem;
  list-style: none;
}

.plan-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 600;
}

.tips-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

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

.tips-figure figcaption {
  padding: 10px 12px;
  font-size: 0.9rem;
  color: var(--color-muted);
  background-color: var(--color-white);
}

.faq-section {
  margin-bottom: 32px;
}

.faq-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 16px 20px;
  margin-bottom: 8px;
}

.faq-item summary {
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 24px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 400;
}

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

.faq-item p {
  font-size: 0.95rem;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.related-links {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px 24px;
}

.related-links h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.related-links p {
  font-size: 0.95rem;
}

.related-links a {
  margin-right: 16px;
}

/* ---------- 4.7 404 页面 ---------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 200px);
  padding: 48px 24px;
}

.error-section {
  text-align: center;
  max-width: 480px;
}

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

.error-section h1 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-message {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.error-advice {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-home-btn {
  display: inline-block;
  padding: 10px 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  min-height: 44px;
  line-height: 24px;
}

.error-home-btn:hover {
  background-color: #e05555;
  color: var(--color-white);
}

/* ============================================================
   5. Responsive / 响应式
   ============================================================ */

/* 桌面小屏 */
@media (max-width: 1024px) {
  .hero-section {
    gap: 32px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .page-categories .layout-shell,
  .page-guide .layout-shell {
    grid-template-columns: 200px 1fr;
    gap: 24px;
  }
}

/* 平板及以下 */
@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 16px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    box-shadow: var(--shadow-md);
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    padding: 12px 8px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }

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

  .nav-list a.is-current {
    background-color: rgba(255, 107, 107, 0.08);
  }

  .inner-main {
    padding: 24px 16px 40px;
  }

  .page-title {
    font-size: 1.6rem;
  }

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

  .footer-nav {
    gap: 8px 16px;
  }

  /* 首页 */
  .home-main {
    padding: 0 16px 40px;
  }

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

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-figure img {
    min-height: 200px;
    max-height: 300px;
  }

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

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

  /* 分类页 */
  .page-categories .layout-shell {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  .category-aside {
    position: static;
    order: 2;
  }

  .category-aside .category-tags {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .category-aside .category-tags a {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
  }

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

  .comic-cover {
    height: 180px;
  }

  /* 指南页 */
  .page-guide .layout-shell {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  .guide-toc {
    position: static;
    order: 1;
  }

  .guide-toc ol {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .guide-toc li {
    margin-bottom: 0;
  }

  .guide-toc li a {
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.85rem;
  }

  .guide-toc li a::before {
    content: "";
    display: none;
  }

  .guide-content {
    order: 2;
  }

  .guide-figure img {
    height: 180px;
  }

  /* 最近更新 */
  .update-item {
    flex-direction: column;
  }

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

  .update-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* 榜单 */
  .picks-grid {
    grid-template-columns: 1fr;
  }

  .pick-card figure {
    height: 160px;
  }

  .ranking-section .ranking-item {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .cover-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .ranking-info {
    padding-right: 0;
  }

  .rank-badge {
    position: static;
    transform: none;
    display: inline-block;
    font-size: 1.1rem;
    margin-top: 8px;
  }

  /* 追更技巧 */
  .tips-figure img {
    height: 160px;
  }

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

/* 小屏手机 */
@media (max-width: 390px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .update-card img {
    width: 100%;
    height: 140px;
  }

  .ranking-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .rank-number {
    min-width: auto;
  }

  .guide-section {
    padding: 16px;
  }

  .genre-block {
    padding: 16px;
  }

  .comic-cover {
    height: 160px;
  }

  .update-item {
    padding: 12px;
  }

  .update-cover {
    height: 140px;
  }

  .rank-badge {
    font-size: 1rem;
  }

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