/* =========================================================
   43423漫画网 · 全站样式表
   高对比无障碍风 · 深色文本配浅色背景
   ========================================================= */

/* ---------------------------------------------
   Base · 基础重置与全局变量
   --------------------------------------------- */
:root {
  --color-text: #1a1a1a;
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-accent: #0056b3;
  --color-accent-dark: #003d80;
  --color-accent-light: #e8f0fa;
  --color-warning: #ffcc00;
  --color-border: #d9d9d9;
  --color-muted: #555555;
  --color-bg-muted: #ececec;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --transition: 0.2s ease;
  --touch-target: 44px;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

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

a:focus-visible {
  border-radius: 2px;
}

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

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

h1 {
  font-size: 1.9rem;
}

h2 {
  font-size: 1.4rem;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 0.9em;
}

/* 触控目标 */
button,
.btn,
.nav-toggle,
a[href] {
  min-height: var(--touch-target);
}

/* ---------------------------------------------
   Layout · 全站骨架布局
   --------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background-color: var(--color-surface);
  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;
  min-height: 64px;
  gap: 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  min-height: var(--touch-target);
  padding: 4px 0;
}

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

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

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

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

.nav-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-weight: 500;
  min-height: var(--touch-target);
  transition: background-color var(--transition), color var(--transition);
}

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

.nav-list a.is-current {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-weight: 700;
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: var(--touch-target);
  height: var(--touch-target);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-toggle-icon {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color var(--transition);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* 主内容区 */
.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.main-inner,
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
  width: 100%;
}

/* 面包屑 */
.breadcrumb {
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

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

.breadcrumb-sep {
  color: var(--color-muted);
  margin: 0 2px;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

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

.page-description {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 760px;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 28px 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-slogan {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  align-items: center;
}

.footer-links li {
  list-style: none;
}

.footer-links a {
  color: var(--color-accent);
  text-decoration: underline;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-target);
}

.footer-copyright {
  width: 100%;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  min-height: var(--touch-target);
  border: 2px solid transparent;
  transition: background-color var(--transition), border-color var(--transition),
    box-shadow var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #ffffff;
}

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

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

/* ---------------------------------------------
   Components · 通用组件
   --------------------------------------------- */

/* 封面图容器 */
.cover-thumb,
.popular-cover,
.ranking-figure,
.category-card figure,
.guide-figure,
.article-media,
.content-media {
  overflow: hidden;
  background-color: var(--color-bg-muted);
}

.cover-thumb img,
.popular-cover img,
.ranking-figure img,
.category-card img,
.guide-figure img,
.article-media img,
.content-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 侧栏通用 */
.sidebar-column,
.layout-aside,
.sidebar,
.content-aside {
  min-width: 0;
}

.sidebar-card,
.aside-card,
.side-block,
.sidebar-block {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h2,
.aside-card h2,
.side-block h2,
.sidebar-block h2,
.aside-card h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent-light);
}

.sidebar-links,
.aside-links,
.side-links,
.sidebar-list,
.related-links {
  list-style: none;
}

.sidebar-links li,
.aside-links li,
.side-links li,
.sidebar-list li,
.related-links li {
  list-style: none;
  margin-bottom: 4px;
}

.sidebar-links a,
.aside-links a,
.side-links a,
.sidebar-list a,
.related-links a {
  display: block;
  padding: 8px 0;
  text-decoration: underline;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-bg-muted);
  min-height: var(--touch-target);
}

.sidebar-links a:hover,
.aside-links a:hover,
.side-links a:hover,
.sidebar-list a:hover,
.related-links a:hover {
  color: var(--color-accent-dark);
  background-color: var(--color-accent-light);
  padding-left: 8px;
}

/* 列表项通用 */
.tip-list {
  list-style: disc;
  padding-left: 1.4em;
  margin: 12px 0 16px;
}

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

/* 更多链接 */
.section-more {
  text-align: right;
  margin-top: 16px;
  margin-bottom: 0;
}

.section-more a {
  display: inline-block;
  padding: 8px 0;
  min-height: var(--touch-target);
  font-weight: 500;
}

/* ---------------------------------------------
   Pages · 首页
   --------------------------------------------- */

/* Hero 区 */
.hero-section {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.hero-section > .hero-content,
.hero-section > .hero-figure {
  max-width: var(--container-width);
  margin: 0 auto;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
}

.hero-content {
  padding: 56px 20px 56px max(20px, calc((100% - 1200px) / 2 + 20px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.hero-content h1 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.hero-slogan {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 520px;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-figure {
  position: relative;
  min-height: 320px;
}

.hero-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 分类导航区 */
.category-nav-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 20px 32px;
}

.category-nav-section h2 {
  margin-bottom: 8px;
}

.category-nav-section > p {
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

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

.category-tags a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  min-height: var(--touch-target);
  transition: background-color var(--transition), color var(--transition);
}

.category-tags a:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* 最近更新区 */
.recent-updates-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}

.recent-updates-section > h2,
.recent-updates-section > p,
.recent-updates-section > .section-more {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.recent-updates-section > h2 {
  margin-bottom: 8px;
}

.recent-updates-section > p {
  color: var(--color-muted);
  margin-bottom: 24px;
}

.update-group {
  max-width: var(--container-width);
  margin: 0 auto 32px;
  padding: 0 20px;
}

.update-date {
  font-size: 1.1rem;
  color: var(--color-accent-dark);
  padding: 8px 0;
  border-bottom: 2px solid var(--color-accent-light);
  margin-bottom: 16px;
}

.update-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.update-item {
  display: flex;
  gap: 14px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px solid var(--color-border);
  min-height: 100px;
  transition: box-shadow var(--transition);
}

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

.cover-thumb {
  width: 72px;
  height: 96px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.update-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
}

.update-title {
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.4;
}

.update-chapter {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.update-status {
  font-size: 0.85rem;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: var(--touch-target);
}

/* 人气榜单预览 */
.popular-preview-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 20px 32px;
}

.popular-preview-section h2 {
  margin-bottom: 8px;
}

.popular-preview-section > p {
  color: var(--color-muted);
  margin-bottom: 24px;
}

.popular-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.popular-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--transition);
}

.popular-item:hover {
  box-shadow: var(--shadow-md);
}

.popular-cover {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-sm);
}

.popular-info h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.popular-info h3 a {
  text-decoration: underline;
  color: var(--color-accent);
}

.popular-info p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* 阅读指南入口 */
.guide-entry-section {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
}

.guide-entry-section > h2,
.guide-entry-section > p {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.guide-entry-section > h2 {
  margin-bottom: 8px;
}

.guide-entry-section > p {
  color: var(--color-muted);
  margin-bottom: 24px;
}

.guide-cards {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

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

.guide-card h3 {
  margin-bottom: 8px;
}

.guide-card h3 a {
  color: var(--color-accent);
  text-decoration: underline;
}

.guide-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* 版权说明区 */
.copyright-note-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px;
}

.copyright-note-section h2 {
  margin-bottom: 12px;
}

.copyright-note-section p {
  color: var(--color-muted);
  max-width: 820px;
}

.copyright-note-section a {
  color: var(--color-accent);
}

/* ---------------------------------------------
   Pages · 内页通用布局
   --------------------------------------------- */
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
  width: 100%;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.main-column,
.layout-main,
.article-content {
  min-width: 0;
}

/* ---------------------------------------------
   Pages · 分类页
   --------------------------------------------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.category-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
}

.category-card img {
  height: 160px;
  border-radius: var(--radius-sm);
}

.category-card h3 {
  font-size: 1.1rem;
}

.category-card p {
  font-size: 0.92rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.category-example {
  font-size: 0.88rem;
  color: var(--color-accent);
  font-weight: 500;
}

.category-guide {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 8px;
}

.category-guide h2 {
  margin-bottom: 12px;
}

.category-guide p {
  color: var(--color-muted);
  margin-bottom: 12px;
}

/* ---------------------------------------------
   Pages · 阅读指南页
   --------------------------------------------- */
.guide-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.guide-section h2 {
  margin-bottom: 12px;
  color: var(--color-accent-dark);
}

.guide-section p {
  margin-bottom: 12px;
}

.guide-figure {
  margin: 16px 0;
  border-radius: var(--radius-md);
  height: 220px;
}

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

.guide-figure figcaption {
  font-size: 0.88rem;
  color: var(--color-muted);
  padding: 8px 4px;
  text-align: center;
}

/* ---------------------------------------------
   Pages · 人气榜单页
   --------------------------------------------- */
.ranking-section {
  margin-bottom: 32px;
}

.ranking-section h2,
.editor-pick-section h2,
.ranking-notes h2 {
  margin-bottom: 8px;
}

.section-desc {
  color: var(--color-muted);
  margin-bottom: 20px;
}

.ranking-list {
  list-style: none;
  counter-reset: ranking;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ranking-list li {
  list-style: none;
  counter-increment: ranking;
}

.ranking-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: box-shadow var(--transition);
}

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

.ranking-item::before {
  content: counter(ranking);
  position: absolute;
  top: 10px;
  left: 10px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.ranking-figure {
  width: 88px;
  height: 118px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.ranking-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-width: 0;
  padding-left: 20px;
}

.ranking-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.ranking-title a {
  color: var(--color-accent);
  text-decoration: underline;
}

.ranking-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.ranking-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ranking-tags span {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}

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

.editor-picks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pick-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pick-text h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.pick-text h3 a {
  color: var(--color-accent);
  text-decoration: underline;
}

.pick-reason {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.pick-meta {
  margin-top: auto;
}

.pick-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pick-tags span {
  background-color: var(--color-bg-muted);
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}

.ranking-notes {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-top: 32px;
}

.ranking-notes p {
  color: var(--color-muted);
  font-size: 0.92rem;
}

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

.side-block p a {
  display: inline-block;
  padding: 4px 0;
  min-height: var(--touch-target);
}

/* ---------------------------------------------
   Pages · 追更技巧页
   --------------------------------------------- */
.layout-shell {
  width: 100%;
}

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

.article-intro p {
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.article-media {
  margin: 20px 0;
  border-radius: var(--radius-md);
  height: 240px;
}

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

.article-media figcaption {
  font-size: 0.88rem;
  color: var(--color-muted);
  padding: 8px 4px;
  text-align: center;
}

.article-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.article-section h2 {
  margin-bottom: 12px;
  color: var(--color-accent-dark);
}

.article-section h3 {
  margin-bottom: 10px;
}

.article-section p {
  margin-bottom: 12px;
}

.article-note {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent);
}

.article-note h3 {
  color: var(--color-accent-dark);
}

.article-note p a {
  font-weight: 600;
}

.sidebar-block {
  margin-bottom: 20px;
}

/* ---------------------------------------------
   Pages · 版权说明页
   --------------------------------------------- */
.content-wrap {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
  width: 100%;
}

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

.content-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.content-section h2 {
  margin-bottom: 12px;
  color: var(--color-accent-dark);
}

.content-section p {
  margin-bottom: 12px;
}

.content-media {
  margin: 16px 0;
  border-radius: var(--radius-md);
  height: 200px;
}

.content-media-inline {
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

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

.content-media figcaption {
  font-size: 0.88rem;
  color: var(--color-muted);
  padding: 8px 4px;
  text-align: center;
}

/* ---------------------------------------------
   Pages · 404 页
   --------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  flex: 1;
}

.error-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  max-width: 560px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.error-code {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 12px;
}

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

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

.btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  min-height: var(--touch-target);
  margin-bottom: 24px;
  border: 2px solid var(--color-accent);
}

.btn-back:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #ffffff;
}

.error-nav {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.error-nav p {
  font-weight: 600;
  margin-bottom: 8px;
}

.error-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
}

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

.error-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-target);
  color: var(--color-accent);
  text-decoration: underline;
  padding: 4px 0;
}

/* ---------------------------------------------
   Responsive · 响应式
   --------------------------------------------- */

/* 平板及以下 */
@media (max-width: 992px) {
  .hero-section {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 40px 20px;
    max-width: 680px;
  }

  .hero-figure {
    min-height: 240px;
    order: -1;
  }

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

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

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

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

/* 手机断点 */
@media (max-width: 768px) {
  .header-inner {
    min-height: 56px;
    padding: 0 16px;
    position: relative;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
    gap: 0;
  }

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

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

  .nav-list a {
    justify-content: flex-start;
    padding: 12px 20px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-bg-muted);
  }

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

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

  .content-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 16px 40px;
  }

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

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

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

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

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

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

  .hero-content {
    padding: 32px 16px;
  }

  .hero-content h1 {
    font-size: 1.7rem;
  }

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

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

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

  .category-nav-section,
  .popular-preview-section,
  .copyright-note-section {
    padding: 32px 16px 24px;
  }

  .recent-updates-section {
    padding: 32px 0;
  }

  .recent-updates-section > h2,
  .recent-updates-section > p,
  .recent-updates-section > .section-more {
    padding-left: 16px;
    padding-right: 16px;
  }

  .update-group {
    padding: 0 16px;
  }

  .guide-entry-section {
    padding: 32px 0;
  }

  .guide-entry-section > h2,
  .guide-entry-section > p {
    padding-left: 16px;
    padding-right: 16px;
  }

  .guide-cards {
    padding: 0 16px;
  }

  .footer-inner {
    padding: 24px 16px 20px;
    flex-direction: column;
    gap: 12px;
  }

  .footer-links {
    width: 100%;
    gap: 4px 16px;
  }

  .footer-copyright {
    text-align: left;
  }

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

  .ranking-figure {
    width: 100%;
    height: 160px;
  }

  .ranking-info {
    padding-left: 0;
    width: 100%;
  }

  .ranking-item::before {
    top: 12px;
    left: 12px;
  }

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

  .error-code {
    font-size: 2.8rem;
  }

  .content-section,
  .guide-section,
  .article-section,
  .category-guide {
    padding: 18px;
  }
}

/* 小屏手机 */
@media (max-width: 390px) {
  .brand-name {
    font-size: 1rem;
  }

  .nav-list a {
    padding: 12px 16px;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-slogan {
    font-size: 1.05rem;
  }

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

  .cover-thumb {
    width: 100%;
    height: 140px;
  }

  .popular-cover {
    height: 160px;
  }

  .guide-card,
  .pick-card {
    padding: 18px;
  }

  .footer-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .footer-links a {
    min-height: 40px;
  }
}

/* ---------------------------------------------
   Accessibility · 无障碍辅助
   --------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 8px 16px;
  z-index: 200;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 滚动出现动画（不影响初始可见性） */
@media (prefers-reduced-motion: no-preference) {
  .animate-in {
    opacity: 1;
    transform: none;
    animation: fadeInUp 0.4s ease-out;
  }

  @keyframes fadeInUp {
    from {
      opacity: 0.6;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}