/* ==========================================================
   禁漫天堂玖辛奈羞羞漫画 - 整站样式表
   版本: 1.0
   说明: 覆盖全部页面真实 DOM，统一视觉骨架与组件
   ========================================================== */

/* ==========================================================
   1. Base - 基础变量、重置、字体、通用元素
   ========================================================== */

:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-muted: #888888;
  --color-accent: #007acc;
  --color-accent-dark: #005f9e;
  --color-accent-light: #e6f4fc;
  --color-border: #e0e0e0;
  --color-border-dark: #cccccc;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --container-width: 1200px;
  --container-padding: 24px;

  --header-height: 64px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 8px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  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: none;
  transition: color var(--transition-fast);
}

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

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

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

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
}

p {
  margin-bottom: 12px;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 14px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 8px;
}

/* ==========================================================
   2. Layout - 全站统一布局骨架
   ========================================================== */

/* 页头 */
.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 var(--container-padding);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 品牌 */
.brand-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-text);
  text-decoration: none;
}

.brand-logo:hover {
  text-decoration: none;
  color: var(--color-text);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

/* 主导航 */
.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: block;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

.nav-list a:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
  text-decoration: none;
}

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

/* 汉堡按钮 - 默认桌面隐藏 */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  width: 44px;
  height: 44px;
  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;
  border-radius: 1px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
}

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

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

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

/* 内页统一骨架 */
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px var(--container-padding) 64px;
  background-color: var(--color-bg);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
  color: var(--color-border-dark);
  user-select: none;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 720px;
  line-height: 1.6;
  margin-bottom: 0;
}

/* 布局壳 */
.layout-shell {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.layout-shell.sidebar-left {
  display: flex;
}

.sidebar-left {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

/* 侧栏 */
.sidebar-left-aside,
.sidebar,
.rank-sidebar {
  flex-shrink: 0;
  width: 260px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 20px;
}

.sidebar-left-content,
.content-area,
.rank-content {
  flex: 1;
  min-width: 0;
}

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

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px var(--container-padding) 32px;
}

.footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.footer-nav {
  margin-bottom: 24px;
}

.footer-nav ul {
  display: flex;
  list-style: none;
  gap: 8px;
  flex-wrap: wrap;
}

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

.footer-nav a {
  display: block;
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

.footer-nav a:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
  text-decoration: none;
}

.footer-note {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.footer-copyright {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

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

/* 章节标题 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.3;
}

/* 侧栏标题 */
.sidebar-title,
.catalog-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

/* 侧栏目录列表 */
.sidebar-list,
.catalog-list {
  list-style: none;
  margin: 0;
}

.sidebar-list li,
.catalog-list li {
  list-style: none;
  margin-bottom: 4px;
}

.sidebar-list a,
.catalog-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

.sidebar-list a:hover,
.catalog-list a:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
  text-decoration: none;
}

/* 通用卡片容器 */
.guide-card,
.sidebar-card,
.category-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
}

/* ==========================================================
   4. Pages - 首页
   ========================================================== */

/* 首页主体 */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 64px;
}

/* 首屏时间线区 */
.hero-timeline {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.hero-copy {
  min-width: 0;
}

#hero-heading {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--color-text);
}

.hero-slogan {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
}

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

.hero-update-summary {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.hero-update-summary li {
  list-style: none;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.update-date {
  display: inline-block;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
  font-style: normal;
}

.hero-cta {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-surface);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.hero-cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-surface);
  text-decoration: none;
}

.hero-media {
  min-width: 0;
}

.hero-figure {
  margin: 0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

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

/* 题材分类导航带 */
.genre-strip {
  padding: 40px 0;
  background-color: var(--color-bg);
}

#genre-heading {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-text);
}

.genre-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
}

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

.genre-tags a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition-fast),
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.genre-tags a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  text-decoration: none;
}

/* 最近更新区 */
.recent-updates {
  padding: 40px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

#recent-heading {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

.update-group {
  margin-bottom: 28px;
}

.update-day {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent-light);
}

.update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.update-item {
  list-style: none;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 12px;
  transition: box-shadow var(--transition-fast);
}

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

.update-item img {
  width: 88px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
  background-color: var(--color-surface);
}

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

.update-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.update-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* 人气榜单预览 */
.ranking-preview {
  padding: 40px 0;
  background-color: var(--color-bg);
}

#ranking-heading {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

.ranking-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.ranking-item {
  list-style: none;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 16px;
  transition: box-shadow var(--transition-fast);
}

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

.ranking-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  margin-bottom: 12px;
  background-color: var(--color-bg);
}

.ranking-copy {
  min-width: 0;
}

.ranking-copy h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
}

.ranking-copy h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.ranking-copy h3 a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

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

.ranking-more {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  padding: 8px 0;
}

.ranking-more:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* 阅读指南入口 */
.guide-entry {
  padding: 40px 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

#guide-entry-heading {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

.guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

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

.guide-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-card h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.guide-card h3 a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

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

/* ==========================================================
   5. Pages - 题材分类页 (categories.html)
   ========================================================== */

/* 分类目录面板 */
.catalog-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 20px;
}

.catalog-title {
  margin-bottom: 12px;
}

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

/* 分类卡片 */
.category-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  margin-bottom: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: box-shadow var(--transition-fast);
}

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

.category-media {
  flex-shrink: 0;
  width: 200px;
}

.category-media img {
  width: 200px;
  height: 260px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg);
}

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

.category-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

.category-info p:last-child {
  margin-bottom: 0;
}

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

.related-links h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.related-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

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

.related-links a {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

.related-links a:hover {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  text-decoration: none;
}

/* ==========================================================
   6. Pages - 阅读指南页 (guide.html)
   ========================================================== */

/* 指南章节 */
.guide-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 28px;
  margin-bottom: 24px;
}

.guide-section .section-title {
  font-size: 22px;
  margin-bottom: 16px;
}

.guide-section p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.guide-section p a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.guide-section p a:hover {
  text-decoration: underline;
}

.guide-figure {
  margin: 20px 0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

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

.guide-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

/* 资源列表 */
.resource-list {
  list-style: none;
  margin: 12px 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

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

.resource-list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.resource-list a:hover {
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

/* ==========================================================
   7. Pages - 人气榜单页 (ranking.html)
   ========================================================== */

/* 侧栏卡片 */
.sidebar-card {
  padding: 20px;
  margin-bottom: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
}

.sidebar-card:last-child {
  margin-bottom: 0;
}

.sidebar-card .sidebar-title {
  margin-bottom: 12px;
}

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

/* 榜单条目 */
.rank-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 20px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition-fast);
}

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

.rank-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 20px;
  font-weight: 700;
  border-radius: var(--border-radius-sm);
}

.rank-cover {
  flex-shrink: 0;
  width: 120px;
  margin: 0;
}

.rank-cover img {
  width: 120px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg);
}

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

.rank-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

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

.rank-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 推荐理由区 */
.reason-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 28px;
  margin-top: 32px;
}

.reason-section p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.reason-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.reason-list li {
  list-style: none;
  padding: 8px 0 8px 20px;
  position: relative;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.reason-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.reason-section p a {
  display: inline-block;
  margin-right: 16px;
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
}

.reason-section p a:hover {
  text-decoration: underline;
}

/* ==========================================================
   8. Pages - 追更技巧页 (tips.html)
   ========================================================== */

/* 追更方法区 */
.tracking-methods {
  margin-bottom: 32px;
}

#tracking-heading {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.tracking-methods > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 720px;
}

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

.method-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 20px;
  transition: box-shadow var(--transition-fast);
}

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

.method-figure {
  margin: 0 0 16px;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

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

.method-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
}

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

/* 阅读列表管理区 */
.reading-list-management {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 28px;
  margin-bottom: 32px;
}

#reading-list-heading {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.reading-list-management > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 720px;
}

.list-strategy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.strategy-block {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 20px;
}

.strategy-block h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

.list-example-figure {
  margin: 0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

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

.list-example-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

/* 相关指南 */
.related-guides {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 24px;
}

.related-guides h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}

.related-guides ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.related-guides li {
  list-style: none;
}

.related-guides a {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

.related-guides a:hover {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  text-decoration: none;
}

/* ==========================================================
   9. Pages - 404 错误页
   ========================================================== */

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px var(--container-padding);
  flex: 1 0 auto;
  width: 100%;
}

.error-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 64px 32px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.error-back {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-surface);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.error-back:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-surface);
  text-decoration: none;
}

/* ==========================================================
   10. Responsive - 响应式断点
   ========================================================== */

/* 平板及以下 */
@media (max-width: 992px) {
  /* 首页首屏调整为上下结构 */
  .hero-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }

  .hero-media {
    order: -1;
  }

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

  /* 榜单预览调整 */
  .ranking-list {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 方法网格调整 */
  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  /* 分类卡片调整 */
  .category-card {
    flex-direction: column;
  }

  .category-media {
    width: 100%;
  }

  .category-media img {
    width: 100%;
    height: 200px;
  }

  /* 侧栏布局调整 */
  .sidebar-left {
    flex-direction: column;
  }

  .sidebar-left-aside,
  .sidebar,
  .rank-sidebar {
    width: 100%;
    flex-shrink: 1;
  }

  .catalog-list,
  .sidebar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .catalog-list li,
  .sidebar-list li {
    margin-bottom: 0;
  }
}

/* 手机端 */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

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

  .brand-name {
    font-size: 16px;
  }

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
    flex-shrink: 0;
  }

  /* 导航列表默认收起 */
  .site-nav {
    position: absolute;
    top: 56px;
    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;
    width: 100%;
    padding: 8px 16px 16px;
    gap: 4px;
  }

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

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

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

  /* 页面标题 */
  .page-title {
    font-size: 26px;
  }

  .page-description {
    font-size: 15px;
  }

  /* 内页间距 */
  .inner-main {
    padding: 24px var(--container-padding) 48px;
  }

  .page-header {
    margin-bottom: 24px;
  }

  /* 首页首屏 */
  .hero-timeline {
    padding: 24px 0;
  }

  #hero-heading {
    font-size: 26px;
  }

  .hero-slogan {
    font-size: 17px;
  }

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

  /* 题材标签 */
  .genre-strip {
    padding: 28px 0;
  }

  .genre-tags {
    gap: 8px;
  }

  .genre-tags a {
    padding: 8px 16px;
    font-size: 14px;
  }

  /* 最近更新 */
  .recent-updates {
    padding: 28px 0;
  }

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

  .update-item img {
    width: 72px;
    height: 100px;
  }

  /* 榜单预览 */
  .ranking-preview {
    padding: 28px 0;
  }

  .ranking-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .ranking-item img {
    width: 88px;
    height: 120px;
    flex-shrink: 0;
    margin-bottom: 0;
  }

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

  /* 指南入口 */
  .guide-entry {
    padding: 28px 0;
  }

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

  /* 分类卡片 */
  .category-card {
    padding: 16px;
  }

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

  /* 榜单条目 */
  .rank-item {
    flex-direction: column;
    padding: 16px;
    gap: 12px;
  }

  .rank-number {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .rank-cover {
    width: 100%;
  }

  .rank-cover img {
    width: 100%;
    height: 200px;
  }

  /* 指南章节 */
  .guide-section {
    padding: 20px;
  }

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

  /* 方法网格 */
  .method-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  /* 策略网格 */
  .list-strategy {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .list-example-figure img {
    height: 180px;
  }

  /* 侧栏 */
  .sidebar-left-aside,
  .sidebar,
  .rank-sidebar {
    padding: 16px;
  }

  /* 相关链接 */
  .related-links,
  .reason-section,
  .reading-list-management,
  .related-guides {
    padding: 20px;
  }

  /* 页脚 */
  .footer-inner {
    padding: 32px var(--container-padding) 24px;
  }

  .footer-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .footer-nav a {
    padding: 8px 12px;
  }

  /* 404 */
  .error-main {
    padding: 32px var(--container-padding);
  }

  .error-section {
    padding: 40px 20px;
  }

  .error-code {
    font-size: 48px;
  }
}

/* 小屏手机 */
@media (max-width: 390px) {
  .brand-name {
    font-size: 14px;
  }

  .hero-update-summary li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

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

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

  .ranking-item {
    flex-direction: column;
  }

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

  .rank-cover img {
    height: 180px;
  }
}