/* ============================================================
   base —— 基础变量、重置、全局字体与颜色
   ============================================================ */
:root {
  --color-bg: #f5f5f5;
  --color-text: #333333;
  --color-primary: #ff7f50;
  --color-secondary: #4a90e2;
  --color-white: #ffffff;
  --color-border: #e5e5e5;
  --color-muted: #777777;
  --color-light: #fafafa;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
  --container-width: 1200px;
  --header-height: 64px;
  --font-sans: Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", SimSun, serif;
}

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

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

body,
.site-body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans);
  line-height: 1.4;
  font-weight: 700;
  color: var(--color-text);
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

/* ============================================================
   layout —— 全站统一骨架：页头、主容器、页脚
   ============================================================ */
.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 {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  flex-shrink: 0;
}

.brand a {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

.brand-tagline {
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 1px;
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

.nav-list li a.is-current {
  color: var(--color-primary);
  font-weight: 700;
  background-color: rgba(255, 127, 80, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 24px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
}

.footer-brand p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 0;
}

.footer-brand strong {
  display: block;
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.footer-col h3 {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-muted);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  margin-top: 8px;
}

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

/* ============================================================
   components —— 公共组件：面包屑、页标题、按钮、卡片、标签等
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 600;
}

.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 28px;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
  margin-bottom: 0;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  min-height: 44px;
  line-height: 1.4;
}

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

.btn-primary:hover {
  background-color: #e06a3c;
  color: var(--color-white);
}

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

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

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

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  min-height: 36px;
  line-height: 1.4;
}

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

.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

/* 更新状态点 */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  margin-right: 6px;
  vertical-align: middle;
}

/* ============================================================
   pages —— 首页
   ============================================================ */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* hero 区：左侧媒体 + 右侧内容 */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 40px;
}

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}

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

.hero-content h1 {
  font-size: 32px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 分类导航带 */
.categories-nav-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

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

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

/* 最近更新 */
.updates-section {
  margin-bottom: 48px;
}

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

.update-group {
  margin-bottom: 32px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.update-date {
  font-size: 15px;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  padding-left: 16px;
}

.update-date::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 12px;
  width: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.update-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.update-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.update-item:hover {
  background-color: var(--color-light);
  transform: translateY(-2px);
}

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

.item-info h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.item-info h4 a {
  color: var(--color-text);
}

.item-info h4 a:hover {
  color: var(--color-primary);
}

.update-chapter {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.more-link {
  text-align: right;
  margin-top: 16px;
}

.more-link a {
  font-size: 14px;
  font-weight: 600;
}

/* 热门推荐预览 */
.ranking-preview-section {
  margin-bottom: 48px;
  padding: 32px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

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

.ranking-preview-item {
  background-color: var(--color-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.ranking-preview-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.preview-info {
  padding: 16px;
}

.preview-info h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.preview-info h3 a {
  color: var(--color-text);
}

.preview-info h3 a:hover {
  color: var(--color-primary);
}

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

/* 指南与剧情入口 */
.guide-plot-entry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.entry-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--color-primary);
}

.entry-card:nth-child(2) {
  border-top-color: var(--color-secondary);
}

.entry-card h2 {
  margin-bottom: 12px;
}

.entry-card p {
  color: var(--color-muted);
  font-size: 15px;
  margin-bottom: 20px;
}

/* 版权与反馈说明 */
.copyright-note {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  border-left: 4px solid var(--color-secondary);
}

.copyright-note p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ============================================================
   pages —— 分类页 categories
   ============================================================ */
.page-categories {
  background-color: var(--color-bg);
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

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

.category-item {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 24px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  align-items: center;
}

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

.category-text p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.category-figure {
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 3 / 4;
}

.category-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.category-figure:hover img {
  transform: scale(1.03);
}

.category-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  padding: 8px 0 0;
}

/* 相关链接 */
.related-links {
  margin-top: 48px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  box-shadow: var(--shadow-sm);
}

.related-links h2 {
  margin-bottom: 8px;
}

.related-links > p {
  font-size: 14px;
  color: var(--color-muted);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.related-list li a {
  display: block;
  padding: 10px 16px;
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.related-list li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   pages —— 最近更新页 updates
   ============================================================ */
.page-updates {
  background-color: var(--color-bg);
}

.update-list-wrap {
  margin-bottom: 40px;
}

.update-list-wrap h2 {
  margin-bottom: 8px;
}

.section-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.update-day-group {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.update-date-label {
  font-size: 16px;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  padding-left: 16px;
}

.update-date-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 12px;
  width: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

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

.update-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 12px;
  border-radius: var(--radius-md);
  background-color: var(--color-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.update-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

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

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

.update-info h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.update-info h4 a {
  color: var(--color-text);
}

.update-info h4 a:hover {
  color: var(--color-primary);
}

.update-chapter {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.update-status {
  font-size: 12px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

/* 更新说明 */
.update-note {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-bottom: 40px;
  border-left: 4px solid var(--color-secondary);
}

.update-note h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.update-note p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

/* 相关链接网格 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.related-card {
  background-color: var(--color-light);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.related-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.related-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.related-card a {
  font-size: 14px;
  font-weight: 600;
}

/* ============================================================
   pages —— 热门推荐页 ranking
   ============================================================ */
.page-ranking {
  background-color: var(--color-bg);
}

.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

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

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

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

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.ranking-item {
  display: grid;
  grid-template-columns: 56px 100px 1fr;
  gap: 20px;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ranking-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ranking-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  font-family: var(--font-serif);
}

.ranking-cover {
  width: 100px;
  height: 130px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

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

.ranking-info h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.ranking-info h3 a {
  color: var(--color-text);
}

.ranking-info h3 a:hover {
  color: var(--color-primary);
}

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

.ranking-tags .tag {
  font-size: 12px;
  padding: 4px 12px;
  min-height: 28px;
}

.ranking-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.ranking-reason {
  font-size: 13px;
  color: var(--color-secondary);
  background-color: rgba(74, 144, 226, 0.08);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* 推荐理由说明 */
.reason-explanation {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  box-shadow: var(--shadow-sm);
}

.reason-explanation h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.reason-explanation p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

/* 侧栏 */
.content-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.side-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

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

.side-links li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.side-links li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   pages —— 使用指南页 guide
   ============================================================ */
.page-guide {
  background-color: var(--color-bg);
}

.layout-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}

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

.guide-section {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.guide-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.guide-section > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.guide-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.guide-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.guide-item p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.guide-item a {
  font-size: 14px;
  font-weight: 600;
}

/* 指南侧栏 */
.guide-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aside-module {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.aside-module h2 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

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

.aside-links li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.aside-links li a:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.guide-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-sm);
}

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

.guide-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  padding: 8px 0;
  background-color: var(--color-white);
}

/* ============================================================
   pages —— 剧情介绍页 plot-intro
   ============================================================ */
.page-plot-intro {
  background-color: var(--color-bg);
}

.sidebar-right {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}

.plot-overview,
.character-intro,
.plot-highlights {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.plot-overview h2,
.character-intro h2,
.plot-highlights h2 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.plot-overview p,
.character-intro p,
.plot-highlights p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.plot-figure {
  margin-top: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

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

.plot-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  padding: 8px 0;
  background-color: var(--color-light);
}

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

.character-card {
  background-color: var(--color-light);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.character-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--color-secondary);
}

.character-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
  text-align: left;
}

.in-content-links {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  box-shadow: var(--shadow-sm);
  margin-top: 24px;
}

.in-content-links p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

.in-content-links a {
  display: inline-block;
  margin: 8px 16px 0 0;
  font-size: 14px;
  font-weight: 600;
}

/* 剧情侧栏 */
.sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aside-block {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.aside-block h3 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.aside-block ul li {
  margin-bottom: 8px;
}

.aside-block ul li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.aside-block ul li a:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

/* ============================================================
   pages —— 404 错误页
   ============================================================ */
.site-error {
  background-color: var(--color-bg);
}

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 80px 20px;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-panel {
  text-align: center;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 64px;
  box-shadow: var(--shadow-md);
  max-width: 560px;
  width: 100%;
}

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

.error-title {
  font-size: 22px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

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

.error-btn {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  min-height: 44px;
  line-height: 1.4;
  transition: background-color 0.2s ease;
}

.error-btn:hover {
  background-color: #e06a3c;
  color: var(--color-white);
}

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

.error-btn-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.error-tip {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ============================================================
   responsive —— 响应式断点
   ============================================================ */
/* 平板：1024px 以下 */
@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: 1fr 260px;
    gap: 24px;
  }

  .layout-shell,
  .sidebar-right {
    grid-template-columns: 1fr 260px;
    gap: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
  }

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

  .ranking-preview-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

/* 手机：768px 以下 */
@media (max-width: 768px) {
  .header-inner {
    height: auto;
    min-height: var(--header-height);
    padding: 8px 16px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    justify-content: center;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 8px 0;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    text-align: center;
    border-radius: var(--radius-sm);
  }

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

  .hero-content h1 {
    font-size: 26px;
  }

  .hero-media {
    aspect-ratio: 16 / 10;
  }

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

  .hero-actions .btn {
    text-align: center;
  }

  /* 首页更新列表 */
  .update-items {
    grid-template-columns: 1fr;
  }

  /* 首页热门推荐 */
  .ranking-preview-list {
    grid-template-columns: 1fr;
  }

  /* 首页指南入口 */
  .guide-plot-entry {
    grid-template-columns: 1fr;
  }

  /* 内页布局切换为单栏 */
  .page-layout,
  .layout-shell,
  .sidebar-right {
    grid-template-columns: 1fr;
  }

  .content-side,
  .guide-aside,
  .sidebar-info {
    margin-top: 8px;
  }

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

  .category-figure {
    aspect-ratio: 16 / 9;
    max-height: 220px;
  }

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

  /* 更新页 */
  .update-items {
    grid-template-columns: 1fr;
  }

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

  /* 榜单 */
  .ranking-item {
    grid-template-columns: 48px 72px 1fr;
    gap: 12px;
    padding: 16px;
  }

  .ranking-number {
    font-size: 22px;
  }

  .ranking-cover {
    width: 72px;
    height: 96px;
  }

  .ranking-tags {
    display: none;
  }

  /* 剧情 */
  .character-grid {
    grid-template-columns: 1fr;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .footer-copy {
    grid-column: 1;
  }

  /* 404 */
  .error-panel {
    padding: 32px 20px;
  }

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

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

  .error-btn {
    text-align: center;
  }
}

/* 小手机：390px 以下 */
@media (max-width: 390px) {
  .header-inner {
    padding: 8px 12px;
  }

  .brand-name {
    font-size: 20px;
  }

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

  .nav-list li a {
    font-size: 14px;
  }

  .inner-main {
    padding: 20px 12px 40px;
  }

  .home-main {
    padding: 0 12px 40px;
  }

  .hero-content h1 {
    font-size: 24px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .update-group,
  .ranking-preview-section,
  .entry-card,
  .category-item,
  .update-day-group,
  .ranking-item,
  .guide-section,
  .plot-overview,
  .character-intro,
  .plot-highlights,
  .reason-explanation,
  .side-card,
  .aside-module,
  .aside-block,
  .related-links {
    padding: 16px;
  }

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

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

  .update-cover {
    width: 100%;
    height: 180px;
  }

  .ranking-item {
    grid-template-columns: 36px 64px 1fr;
    gap: 10px;
    padding: 12px;
  }

  .ranking-cover {
    width: 64px;
    height: 84px;
  }

  .ranking-info h3 {
    font-size: 16px;
  }

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