/* ==========================================================================
   漫画在线 · 全站样式表
   版本：1.0
   说明：本样式表覆盖首页、内页、404页全部真实 DOM 结构
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base · 基础重置与全局变量
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #2c3e50;
  --color-secondary: #34495e;
  --color-accent: #1abc9c;
  --color-accent-dark: #16a085;
  --color-link: #2980b9;
  --color-bg: #ffffff;
  --color-bg-light: #ecf0f1;
  --color-border: #e0e6ea;
  --color-text: #2c3e50;
  --color-text-light: #5d6d7e;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --sidebar-width: 260px;
  --main-width: 880px;
  --header-height: 64px;
  --radius: 8px;
  --transition: 0.25s 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-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }

p {
  line-height: 1.6;
}

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

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

/* 内容容器 */
.header-inner,
.footer-columns,
.footer-bottom,
.hero-section,
.categories-section,
.updates-section,
.ranking-section,
.guide-section,
.longtail-section,
.home-aside,
.layout-shell,
.page-layout,
.error-inner {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* --------------------------------------------------------------------------
   Header · 页头
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-text {
  font-size: 1.375rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.02em;
}

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

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

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

.nav-list li a {
  display: inline-block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 4px;
  transition: background-color var(--transition), color var(--transition);
}

.nav-list li a:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

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

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* --------------------------------------------------------------------------
   Footer · 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-secondary);
  color: rgba(255, 255, 255, 0.75);
  margin-top: 64px;
}

.footer-columns {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

.footer-brand strong {
  display: block;
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-links h2 {
  font-size: 1rem;
  color: #ffffff;
  margin-bottom: 16px;
  font-weight: 600;
}

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

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  padding-bottom: 16px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  padding-top: 8px;
}

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

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

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

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

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

.page-title {
  font-size: 1.875rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  font-weight: 700;
}

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

/* 区块标题 */
.section-title {
  font-size: 1.375rem;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-weight: 700;
}

.section-intro {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 720px;
}

/* 标签 */
.tag-link {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--color-bg-light);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-secondary);
  transition: background-color var(--transition), color var(--transition);
}

.tag-link:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border: 2px solid var(--color-accent);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

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

/* --------------------------------------------------------------------------
   Layout · 内页侧栏布局
   -------------------------------------------------------------------------- */

/* 侧栏在左的布局 */
.layout-shell.sidebar-left,
.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 40px;
  padding-top: 32px;
  padding-bottom: 48px;
  align-items: start;
}

/* 侧栏 */
.sidebar,
.page-aside,
.page-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-block,
.sidebar-inner,
.aside-inner {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
}

.sidebar-title,
.sidebar-inner h2,
.aside-title {
  font-size: 1.0625rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.sidebar-nav li,
.sidebar-list li,
.aside-list li,
.sidebar-links li {
  margin-bottom: 4px;
}

.sidebar-nav li a,
.sidebar-list li a,
.aside-list li a,
.sidebar-links li a {
  display: block;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.9375rem;
  color: var(--color-secondary);
  transition: background-color var(--transition), color var(--transition);
}

.sidebar-nav li a:hover,
.sidebar-list li a:hover,
.aside-list li a:hover,
.sidebar-links li a:hover {
  background-color: rgba(26, 188, 156, 0.1);
  color: var(--color-accent-dark);
}

.sidebar-nav li a.is-current,
.sidebar-list li a.is-current,
.aside-list li a.is-current,
.sidebar-links li a.is-current {
  background-color: var(--color-accent);
  color: #ffffff;
}

.sidebar-block + .sidebar-block {
  margin-top: 24px;
}

/* 侧栏说明 */
.aside-note,
.sidebar-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 主内容区 */
.inner-main {
  min-width: 0;
}

/* --------------------------------------------------------------------------
   Components · 卡片与列表
   -------------------------------------------------------------------------- */

/* 分类卡片（首页） */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-card {
  display: block;
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.category-name {
  display: block;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.category-desc {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 分类卡片（分类页） */
.category-list .category-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: center;
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-list .category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.category-media {
  border-radius: var(--radius);
  overflow: hidden;
}

.category-media img {
  width: 200px;
  height: 150px;
  object-fit: cover;
}

.category-body .category-name {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.category-body .category-desc {
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.category-link {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: 4px;
  font-size: 0.875rem;
  transition: background-color var(--transition);
}

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

/* 更新列表（首页） */
.update-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.update-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.update-item img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

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

.update-info a {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-info a:hover {
  color: var(--color-accent-dark);
}

.update-type {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-accent-dark);
  background-color: rgba(26, 188, 156, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
}

.update-date {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* 榜单列表（首页） */
.ranking-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ranking-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.rank-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 32px;
}

.rank-content a {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.rank-content a:hover {
  color: var(--color-accent-dark);
}

.rank-content p {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 指南卡片（首页） */
.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.guide-card {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.guide-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.guide-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.guide-link {
  display: inline-block;
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 0.9375rem;
}

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

/* 长尾卡片（首页） */
.longtail-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.longtail-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: center;
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.longtail-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.longtail-card img {
  width: 160px;
  height: 120px;
  object-fit: cover;
  border-radius: 4px;
}

.longtail-content h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.longtail-content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 首页侧栏 */
.home-aside {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding-top: 48px;
  padding-bottom: 16px;
}

.aside-block {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
}

.aside-block h2 {
  font-size: 1.125rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

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

.tag-cloud li a {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-bg);
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--color-secondary);
  transition: background-color var(--transition), color var(--transition);
}

.tag-cloud li a:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* 漫画卡片（恋爱/职场推荐页） */
.comic-card {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.comic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.comic-media,
.card-media {
  overflow: hidden;
}

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

.comic-info,
.card-body {
  padding: 20px;
}

.comic-name,
.card-body h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.comic-tag,
.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-accent-dark);
  background-color: rgba(26, 188, 156, 0.1);
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.comic-desc,
.card-body p:last-child {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 恋爱页推荐列表 */
.recommendations {
  margin-bottom: 48px;
}

.recommendations .comic-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  margin-bottom: 20px;
  padding: 16px;
}

.recommendations .comic-media img {
  width: 180px;
  height: 140px;
  object-fit: cover;
  border-radius: 4px;
}

/* 职场页推荐网格 */
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* 笔记/说明网格 */
.note-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.note-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 20px;
}

.note-item h3,
.note-title {
  font-size: 1rem;
  margin-bottom: 8px;
}

.note-item p,
.note-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.note-closing {
  margin-top: 24px;
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.note-closing a {
  margin-right: 16px;
  font-weight: 500;
}

/* 理由列表（职场页） */
.reason-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.reason-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 20px;
}

.reason-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.reason-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 步骤列表（指南页） */
.step-list {
  counter-reset: step;
  display: grid;
  gap: 20px;
}

.step-item {
  counter-increment: step;
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  padding-left: 72px;
}

.step-item::before {
  content: counter(step);
  position: absolute;
  left: 24px;
  top: 24px;
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.step-item h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.step-item p a {
  color: var(--color-link);
}

/* 提示卡片（指南页） */
.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tip-card {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
}

.tip-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.tip-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 指南媒体图 */
.guide-media {
  margin: 24px 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.guide-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.guide-media figcaption {
  padding: 12px 16px;
  background-color: var(--color-bg-light);
  font-size: 0.8125rem;
  color: var(--color-text-light);
  text-align: center;
}

/* FAQ */
.faq-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  margin-bottom: 12px;
  padding: 16px 20px;
}

.faq-item summary {
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 0.9375rem;
  padding: 4px 0;
}

.faq-item summary:hover {
  color: var(--color-accent-dark);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.faq-item p {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 相关链接（指南页） */
.related-links {
  margin-top: 48px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 24px;
}

.related-links h2 {
  font-size: 1.125rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

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

.related-links ul li a {
  font-size: 0.9375rem;
}

/* 分类页笔记与提示 */
.note-list,
.tip-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.note-item,
.tip-list li {
  background-color: var(--color-bg-light);
  border-radius: var(--radius);
  padding: 20px;
}

.tip-list li {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  padding-left: 40px;
  position: relative;
}

.tip-list li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 20px;
  color: var(--color-accent);
  font-weight: 700;
}

.category-notes,
.category-tip {
  margin-top: 48px;
}

/* --------------------------------------------------------------------------
   Pages · 页面专属样式
   -------------------------------------------------------------------------- */

/* 首页 */
.home-main {
  padding-top: 0;
}

/* Hero */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}

.hero-copy h1 {
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.slogan {
  font-size: 1.25rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-description {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 560px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.cta-link {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: background-color var(--transition);
}

.cta-link:hover {
  background-color: var(--color-accent-dark);
  color: #ffffff;
}

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

.hero-image {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

/* 首页各区块间距 */
.categories-section,
.updates-section,
.ranking-section,
.guide-section,
.longtail-section {
  padding-top: 48px;
  padding-bottom: 48px;
}

.categories-section,
.ranking-section,
.longtail-section {
  border-top: 1px solid var(--color-border);
}

.updates-section,
.guide-section {
  border-top: 1px solid var(--color-border);
}

/* 首页指南区块 */
.home-main .guide-section h2 {
  font-size: 1.375rem;
  margin-bottom: 24px;
}

/* 404 页 */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

.error-inner {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 24px;
}

.error-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 32px;
}

.error-help {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

/* 平板及以下 */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr 320px;
    gap: 32px;
  }

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

  .footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .recommendation-grid,
  .note-grid,
  .reason-list,
  .note-list,
  .tip-list {
    grid-template-columns: 1fr;
  }
}

/* 移动端 */
@media (max-width: 768px) {
  /* 页头 */
  .header-inner {
    height: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    gap: 4px;
  }

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

  .nav-list li a {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
  }

  /* 侧栏布局改为上下排列 */
  .layout-shell.sidebar-left,
  .page-layout.sidebar-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .sidebar,
  .page-aside,
  .page-sidebar {
    position: static;
    order: 2;
    width: 100%;
  }

  .inner-main {
    order: 1;
    width: 100%;
  }

  /* 首页 */
  .hero-section {
    grid-template-columns: 1fr;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .hero-figure {
    order: -1;
  }

  .hero-image {
    height: 220px;
  }

  .hero-copy h1 {
    font-size: 1.75rem;
  }

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

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

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

  .longtail-card {
    grid-template-columns: 120px 1fr;
  }

  .longtail-card img {
    width: 120px;
    height: 100px;
  }

  .home-aside {
    grid-template-columns: 1fr;
  }

  /* 分类页 */
  .category-list .category-card {
    grid-template-columns: 1fr;
  }

  .category-media img {
    width: 100%;
    height: 180px;
  }

  /* 恋爱推荐页 */
  .recommendations .comic-card {
    grid-template-columns: 1fr;
  }

  .recommendations .comic-media img {
    width: 100%;
    height: 180px;
  }

  /* 指南页 */
  .tip-grid {
    grid-template-columns: 1fr;
  }

  .step-item {
    padding-left: 24px;
    padding-top: 72px;
  }

  .step-item::before {
    left: 24px;
    top: 24px;
  }

  /* 页脚 */
  .footer-columns {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 32px;
    padding-bottom: 32px;
  }

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

  /* 面包屑 */
  .breadcrumb {
    margin-bottom: 16px;
  }

  /* 页面标题 */
  .page-title {
    font-size: 1.5rem;
  }

  /* 404 */
  .error-code {
    font-size: 3.5rem;
  }

  .error-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .header-inner,
  .footer-columns,
  .footer-bottom,
  .hero-section,
  .categories-section,
  .updates-section,
  .ranking-section,
  .guide-section,
  .longtail-section,
  .home-aside,
  .layout-shell,
  .page-layout,
  .error-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .slogan {
    font-size: 1.0625rem;
  }

  .hero-description {
    font-size: 0.9375rem;
  }

  .hero-image {
    height: 180px;
  }

  .category-card {
    padding: 16px;
  }

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

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

  .ranking-item {
    padding: 12px;
  }

  .guide-card {
    padding: 24px 20px;
  }

  .longtail-card {
    grid-template-columns: 1fr;
  }

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

  .comic-info,
  .card-body {
    padding: 16px;
  }

  .comic-media img,
  .card-media img {
    height: 180px;
  }

  .step-item {
    padding: 20px;
    padding-top: 64px;
  }

  .step-item::before {
    left: 20px;
    top: 20px;
  }

  .faq-item {
    padding: 12px 16px;
  }

  .page-title {
    font-size: 1.375rem;
  }

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