/* ============================================================
   里番动漫大全 - 整站样式表
   版本: 1.0
   说明: 覆盖首页、内页、404页全部真实DOM结构
   ============================================================ */

/* ============================================================
   1. Base - 基础变量、重置、字体
   ============================================================ */
:root {
  --color-primary: #3498db;
  --color-primary-dark: #217dbb;
  --color-primary-light: #ebf5fb;
  --color-dark: #2c3e50;
  --color-dark-light: #34495e;
  --color-gray: #ecf0f1;
  --color-gray-light: #f8f9fa;
  --color-text: #4a5a6a;
  --color-text-light: #6c7a89;
  --color-white: #ffffff;
  --color-border: #e4e9ed;
  --color-rank-1: #e74c3c;
  --color-rank-2: #e67e22;
  --color-rank-3: #f1c40f;
  --color-rank-4: #95a5a6;
  --color-rank-5: #7f8c8d;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --container-width: 1200px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 3px rgba(44, 62, 80, 0.08);
  --shadow-md: 0 2px 8px rgba(44, 62, 80, 0.1);
}

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

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-white);
  -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);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.35;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   2. Layout - 布局容器、栅格
   ============================================================ */

/* 全局容器 */
.header-inner,
.hero-inner,
.footer-inner,
.layout-shell,
.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 首页主区域 */
.home-main {
  padding-bottom: 60px;
}

/* 内页布局：主内容 + 侧栏 */
.page-layout {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  padding-bottom: 60px;
  align-items: flex-start;
}

.main-content {
  flex: 1;
  min-width: 0;
}

.sidebar {
  flex: 0 0 300px;
  width: 300px;
}

/* 分类页特殊布局 */
.layout-shell {
  padding-top: 24px;
  padding-bottom: 60px;
}

.layout-shell .inner-main {
  max-width: none;
}

.layout-shell .sidebar {
  margin-top: 24px;
}

/* ============================================================
   3. Components - 公共组件
   ============================================================ */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: #bdc3c7;
}

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

/* ---------- 页面标题区 ---------- */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-gray);
}

.page-header h1.page-title {
  font-size: 32px;
  color: var(--color-dark);
  margin-bottom: 12px;
  font-weight: 700;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 720px;
  margin-bottom: 0;
}

/* ---------- 分区标题 ---------- */
.section-header {
  margin-bottom: 28px;
}

.section-header h2 {
  font-size: 24px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 0;
}

.section-more {
  margin-top: 24px;
  text-align: center;
}

.section-more a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.section-more a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ---------- 侧栏通用 ---------- */
.sidebar-card,
.sidebar-block,
.aside-box {
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-card h2,
.sidebar-block h2,
.aside-box h2,
.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.sidebar-list li,
.aside-links li {
  margin-bottom: 0;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list li:last-child,
.aside-links li:last-child {
  border-bottom: none;
}

.sidebar-list a,
.aside-links a {
  display: flex;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.5;
  transition: all var(--transition);
}

.sidebar-list a:hover,
.aside-links a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.sidebar-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.sidebar-note a {
  font-size: 13px;
}

/* ============================================================
   4. Header - 页头与导航
   ============================================================ */

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

/* 品牌区 */
.brand {
  flex-shrink: 0;
}

.brand a {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
}

.brand-slogan {
  font-size: 12px;
  color: var(--color-text-light);
  line-height: 1.2;
}

/* 主导航 */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

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

.nav-list a.is-current {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

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

.nav-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 1px;
  transition: all var(--transition);
}

/* ============================================================
   5. Footer - 页脚
   ============================================================ */

.site-footer {
  background-color: var(--color-dark);
  color: #bdc3c7;
  padding-top: 48px;
  padding-bottom: 24px;
  margin-top: 60px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand {
  flex: 0 0 260px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #95a5a6;
  margin-bottom: 0;
}

.footer-links {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  min-width: 0;
}

.footer-group h3 {
  font-size: 15px;
  color: var(--color-white);
  margin-bottom: 12px;
  font-weight: 600;
}

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

.footer-group ul a {
  font-size: 14px;
  color: #95a5a6;
  transition: color var(--transition);
}

.footer-group ul a:hover {
  color: var(--color-white);
}

.footer-bottom {
  flex: 0 0 100%;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 13px;
  color: #7f8c8d;
  margin-bottom: 0;
}

/* ============================================================
   6. Pages - 首页
   ============================================================ */

/* ---------- Hero 首屏 ---------- */
.home-hero {
  background-color: var(--color-primary-light);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 24px;
  max-width: 560px;
}

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

.hero-figure {
  flex: 0 0 360px;
  width: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

/* ---------- 题材分类标签 ---------- */
.home-categories {
  padding: 48px 20px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}

.category-tag:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-more {
  margin-top: 20px;
}

.category-more a {
  font-size: 15px;
  color: var(--color-primary);
  font-weight: 500;
}

.category-more a:hover {
  text-decoration: underline;
}

/* ---------- 最近更新 ---------- */
.home-recent {
  padding: 48px 20px;
  background-color: var(--color-gray-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.home-recent .section-header,
.home-recent .section-more {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

.recent-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

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

.recent-item a {
  display: block;
}

.recent-item figure {
  margin: 0;
  overflow: hidden;
}

.recent-item figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.recent-item h3 {
  font-size: 16px;
  padding: 12px 16px 4px;
  color: var(--color-dark);
  line-height: 1.4;
}

.recent-date {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 0 16px 14px;
  margin-bottom: 0;
}

/* ---------- 人气榜单 ---------- */
.home-ranking {
  padding: 48px 20px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.ranking-list {
  list-style: none;
  counter-reset: rank;
}

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

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

.ranking-num {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray);
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
}

.ranking-item:nth-child(1) .ranking-num {
  background-color: var(--color-rank-1);
  color: var(--color-white);
}

.ranking-item:nth-child(2) .ranking-num {
  background-color: var(--color-rank-2);
  color: var(--color-white);
}

.ranking-item:nth-child(3) .ranking-num {
  background-color: var(--color-rank-3);
  color: var(--color-white);
}

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

.ranking-info h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.ranking-info p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

.ranking-item > a {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.ranking-item > a:hover {
  text-decoration: underline;
}

/* ---------- 指南与技巧卡片 ---------- */
.home-guide-tips {
  padding: 48px 20px;
  background-color: var(--color-gray-light);
  border-top: 1px solid var(--color-border);
}

.guide-tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.guide-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition);
}

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

.guide-card h2 {
  font-size: 20px;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.guide-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 20px;
}

/* ============================================================
   7. Pages - 分类页 (categories)
   ============================================================ */

.layout-shell .inner-main {
  padding-top: 0;
}

/* 分类网格 */
.section-category-grid {
  margin-bottom: 40px;
}

.section-category-grid h2,
.section-category-detail h2,
.section-category-tip h2 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-gray);
}

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

.category-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.category-card a {
  display: block;
}

.category-figure {
  margin: 0;
  overflow: hidden;
}

.category-figure img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.category-info {
  padding: 16px;
}

.category-info h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.category-info p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* 分类详情列表 */
.section-category-detail {
  margin-bottom: 40px;
}

.category-detail-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-item {
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--transition);
}

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

.detail-item h3 {
  font-size: 17px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.detail-item p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.detail-item a {
  font-size: 14px;
  font-weight: 500;
}

/* 分类提示 */
.section-category-tip {
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.section-category-tip h2 {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.section-category-tip p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 8px;
}

.section-category-tip strong {
  color: var(--color-dark);
  font-weight: 600;
}

/* ============================================================
   8. Pages - 阅读指南 (guide)
   ============================================================ */

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

.guide-section h2 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-gray);
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.guide-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.step-number {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.step-body {
  flex: 1;
  min-width: 0;
}

.step-body h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 指南页底部说明区 */
.guide-notice,
.guide-feedback {
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.guide-notice h2,
.guide-feedback h2 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.guide-notice p,
.guide-feedback p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   9. Pages - 最近更新 (recent)
   ============================================================ */

.content-section {
  margin-bottom: 36px;
}

.content-section h2 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.content-section > p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

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

.date-group h3 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--color-border);
}

.update-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.update-list li:last-child {
  border-bottom: none;
}

.update-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.update-list time {
  font-size: 13px;
  color: var(--color-text-light);
  flex-shrink: 0;
}

/* 更多链接 */
.more-links {
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 32px;
}

.more-links p {
  font-size: 15px;
  margin-bottom: 8px;
}

.more-links p:last-child {
  margin-bottom: 0;
}

.more-links a {
  display: inline-block;
  margin-right: 16px;
  font-size: 14px;
  font-weight: 500;
}

/* ============================================================
   10. Pages - 人气榜单 (ranking)
   ============================================================ */

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

.section-title {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-gray);
}

.ranking-list-section .ranking-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

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

.rank-badge {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--color-white);
}

.rank-1 {
  background-color: var(--color-rank-1);
}

.rank-2 {
  background-color: var(--color-rank-2);
}

.rank-3 {
  background-color: var(--color-rank-3);
}

.rank-4 {
  background-color: var(--color-rank-4);
}

.rank-5 {
  background-color: var(--color-rank-5);
}

.rank-cover {
  flex: 0 0 120px;
  width: 120px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.rank-cover img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

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

.rank-title {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.rank-tags {
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.rank-desc {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.rank-reason {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  padding: 10px 14px;
  background-color: var(--color-gray-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

/* 推荐理由区块 */
.ranking-reason-section {
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 40px;
}

.reason-intro {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 20px;
}

.reason-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.reason-item h3 {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.reason-item p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0;
}

.reason-more {
  margin-top: 20px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.reason-more a {
  font-size: 14px;
  font-weight: 500;
}

/* 侧栏条目描述 */
.sidebar-item-title {
  font-weight: 500;
  color: var(--color-dark);
}

.sidebar-item-desc {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 2px;
}

/* ============================================================
   11. Pages - 追更技巧 (tips)
   ============================================================ */

.tips-content {
  flex: 1;
  min-width: 0;
}

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

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

.tips-section h2 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-gray);
}

.tips-section p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 12px;
}

.tips-figure {
  margin: 24px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

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

.tips-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-gray-light);
  text-align: center;
}

.tips-aside {
  flex: 0 0 300px;
  width: 300px;
}

.aside-box {
  margin-bottom: 20px;
}

.aside-box h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.aside-links li a {
  display: block;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.5;
  transition: all var(--transition);
}

.aside-links li a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

/* ============================================================
   12. Pages - 404 页面
   ============================================================ */

.error-main {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

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

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

.error-panel h1 {
  font-size: 28px;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.error-home-btn,
.error-categories-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}

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

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

.error-categories-btn {
  background-color: var(--color-white);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.error-categories-btn:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.error-help {
  font-size: 14px;
  color: var(--color-text-light);
}

.error-help a {
  margin: 0 8px;
  font-weight: 500;
}

/* ============================================================
   13. Responsive - 响应式
   ============================================================ */

/* ---------- 平板及以下 ---------- */
@media (max-width: 1024px) {
  .hero-figure {
    flex-basis: 300px;
    width: 300px;
  }

  .recent-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* ---------- 手机端 ---------- */
@media (max-width: 768px) {
  /* 基础字体调整 */
  html {
    font-size: 15px;
  }

  body {
    font-size: 15px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  /* 页头 */
  .header-inner {
    height: 56px;
    gap: 12px;
  }

  .brand-name {
    font-size: 18px;
  }

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

  /* 移动导航 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: relative;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    flex-direction: column;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 200px;
    padding: 8px 0;
    z-index: 200;
    gap: 0;
  }

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

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

  .nav-list a {
    padding: 12px 20px;
    border-radius: 0;
    border-left: 3px solid transparent;
  }

  .nav-list a.is-current {
    border-left-color: var(--color-primary);
    border-radius: 0;
  }

  /* 首页 Hero */
  .home-hero {
    padding: 32px 0;
  }

  .hero-inner {
    flex-direction: column;
    gap: 24px;
  }

  .hero-content {
    order: 1;
  }

  .hero-figure {
    order: 2;
    flex-basis: auto;
    width: 100%;
  }

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

  .hero-title {
    font-size: 24px;
  }

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

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

  /* 首页模块 */
  .home-categories {
    padding: 32px 16px;
  }

  .category-tags {
    gap: 8px;
  }

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

  .home-recent {
    padding: 32px 16px;
  }

  .recent-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .recent-item figure img {
    height: 140px;
  }

  .recent-item h3 {
    font-size: 14px;
    padding: 10px 12px 2px;
  }

  .recent-date {
    font-size: 12px;
    padding: 0 12px 10px;
  }

  .home-ranking {
    padding: 32px 16px;
  }

  .ranking-item {
    gap: 12px;
    padding: 12px 0;
  }

  .ranking-num {
    flex-basis: 32px;
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .ranking-info h3 {
    font-size: 15px;
  }

  .ranking-info p {
    font-size: 13px;
  }

  .home-guide-tips {
    padding: 32px 16px;
  }

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

  .guide-card {
    padding: 20px;
  }

  /* 内页布局 */
  .page-layout {
    flex-direction: column;
    gap: 32px;
    padding-top: 16px;
    padding-bottom: 40px;
  }

  .main-content {
    width: 100%;
  }

  .sidebar,
  .tips-aside {
    flex-basis: auto;
    width: 100%;
  }

  /* 面包屑 */
  .breadcrumb {
    font-size: 13px;
    margin-bottom: 12px;
  }

  /* 页面标题 */
  .page-header {
    margin-bottom: 24px;
  }

  .page-header h1.page-title {
    font-size: 24px;
  }

  /* 分类页 */
  .layout-shell {
    padding-top: 16px;
    padding-bottom: 40px;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-figure img {
    height: 120px;
  }

  .category-info {
    padding: 12px;
  }

  .category-info h3 {
    font-size: 15px;
  }

  .category-info p {
    font-size: 13px;
  }

  .detail-item {
    padding: 16px;
  }

  .section-category-tip {
    padding: 20px;
  }

  /* 指南页 */
  .guide-step {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .step-number {
    flex-basis: 32px;
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  /* 最近更新 */
  .update-list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .update-list time {
    font-size: 12px;
  }

  .more-links {
    padding: 16px;
  }

  .more-links a {
    display: block;
    margin-right: 0;
    margin-bottom: 8px;
  }

  /* 人气榜单 */
  .ranking-list-section .ranking-item {
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 0;
  }

  .rank-badge {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  .rank-cover {
    flex-basis: 80px;
    width: 80px;
  }

  .rank-cover img {
    height: 100px;
  }

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

  .rank-reason {
    font-size: 13px;
    padding: 8px 12px;
  }

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

  /* 追更技巧 */
  .tips-figure img {
    height: 180px;
  }

  .tips-section h2 {
    font-size: 20px;
  }

  /* 页脚 */
  .site-footer {
    padding-top: 36px;
    padding-bottom: 20px;
    margin-top: 40px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer-brand {
    flex-basis: auto;
    width: 100%;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  /* 404 */
  .error-code {
    font-size: 56px;
  }

  .error-panel h1 {
    font-size: 22px;
  }

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

  .error-home-btn,
  .error-categories-btn {
    width: 100%;
  }
}

/* ---------- 小屏手机 ---------- */
@media (max-width: 390px) {
  .recent-list {
    grid-template-columns: 1fr;
  }

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

  .category-figure img {
    height: 140px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .hero-figure img {
    height: 160px;
  }
}