/* ============================================================
   BASE — 全站基础样式
   ============================================================ */
:root {
  --color-primary: #1a73e8;
  --color-primary-dark: #1558b0;
  --color-primary-light: #e8f0fe;
  --color-bg: #f8f9fa;
  --color-text: #212529;
  --color-text-secondary: #6c757d;
  --color-accent: #ffc107;
  --color-white: #ffffff;
  --color-border: #e9ecef;
  --color-border-dark: #dee2e6;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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 {
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-text);
}

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* ============================================================
   LAYOUT — 容器与骨架
   ============================================================ */
.site-header {
  background-color: var(--color-white);
  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 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0;
}

.brand-slogan {
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
}

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

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

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

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

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 24px;
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 40px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

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

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

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

.footer-copyright p {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
}

/* ============================================================
   COMPONENTS — 通用组件
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
  min-height: 44px;
}

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

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

.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);
}

.btn-home {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  min-height: 44px;
}

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

.section-head {
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-head p {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 640px;
}

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

.section-more a {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition), color var(--transition);
}

.section-more a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

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

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

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

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

/* 页面标题区 */
.page-header {
  margin-bottom: 40px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

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

/* 内页主容器 */
.site-main.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px 60px;
  width: 100%;
}

/* 双栏布局（主内容 + 侧栏） */
.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px 60px;
  width: 100%;
}

.layout-shell.sidebar-right {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.layout-shell.sidebar-right .sidebar-area {
  position: sticky;
  top: 88px;
}

/* 侧栏通用 */
.sidebar-area {
  min-width: 0;
}

.sidebar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

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

.sidebar-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-links li {
  margin-bottom: 10px;
}

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

.sidebar-links li a {
  font-size: 14px;
  color: var(--color-text-secondary);
  display: inline-block;
  padding: 2px 0;
}

.sidebar-links li a:hover {
  color: var(--color-primary);
}

/* 相关推荐链接 */
.related-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-primary);
  padding: 4px 12px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.related-links-item:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================
   PAGES — 首页
   ============================================================ */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 60px;
  width: 100%;
}

/* Hero 双通道首屏 */
.hero-section {
  padding: 56px 0 48px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-intro h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  max-width: 520px;
}

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

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

.hero-figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--color-primary-light);
  aspect-ratio: 16 / 9;
}

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

/* 题材分类导航 */
.category-section {
  padding: 48px 0;
}

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

.category-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
  min-height: 44px;
}

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

.tag-hot {
  background-color: #fde8e8;
  color: #c0392b;
}

.tag-hot:hover {
  background-color: #fbd5d5;
  color: #a93226;
}

.tag-romance {
  background-color: #fce4ec;
  color: #c2185b;
}

.tag-romance:hover {
  background-color: #f8bbd0;
  color: #ad1457;
}

.tag-mystery {
  background-color: #e8eaf6;
  color: #3949ab;
}

.tag-mystery:hover {
  background-color: #c5cae9;
  color: #303f9f;
}

.tag-sci {
  background-color: #e0f2f1;
  color: #00796b;
}

.tag-sci:hover {
  background-color: #b2dfdb;
  color: #00695c;
}

.tag-fantasy {
  background-color: #ede7f6;
  color: #7b1fa2;
}

.tag-fantasy:hover {
  background-color: #d1c4e9;
  color: #6a1b9a;
}

.tag-slice {
  background-color: #fff8e1;
  color: #f57f17;
}

.tag-slice:hover {
  background-color: #ffecb3;
  color: #e65100;
}

/* 最近更新 */
.updates-section {
  padding: 48px 0;
}

.update-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.update-group {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.update-group h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.update-date {
  font-size: 13px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  min-width: 56px;
}

.update-item a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.update-status {
  font-size: 12px;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 12px;
  flex-shrink: 0;
}

/* 人气榜单 */
.ranking-section {
  padding: 48px 0;
}

.ranking-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.ranking-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}

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

.ranking-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* 阅读指南简版 */
.guide-section {
  padding: 48px 0;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.guide-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: left;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 50%;
  margin-bottom: 16px;
}

.guide-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.guide-step p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.guide-step a {
  font-size: 14px;
  font-weight: 500;
}

/* 长尾推荐 */
.featured-section {
  padding: 48px 0;
}

.featured-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-items: center;
}

.featured-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background-color: var(--color-primary-light);
  overflow: hidden;
}

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

.featured-content {
  padding: 32px 32px 32px 0;
}

.featured-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* ============================================================
   PAGES — 题材分类页
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

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

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

.category-card a {
  display: block;
}

.category-figure {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-primary-light);
}

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

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

.category-card > p {
  padding: 16px 20px 4px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.category-example {
  padding: 0 20px 20px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.category-guide {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 16px;
}

.category-guide h2 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

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

/* ============================================================
   PAGES — 最近更新页
   ============================================================ */
.update-section {
  margin-bottom: 48px;
}

.update-section > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-note {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.update-section .update-list {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 8px 24px;
}

.update-section .update-item {
  padding: 16px 0;
}

.update-item img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.update-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.update-chapter,
.update-meta {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.update-status {
  flex-shrink: 0;
}

.status-section {
  margin-bottom: 48px;
}

.status-section > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

.status-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 12px;
}

.status-latest {
  background-color: #e8f5e9;
  color: #2e7d32;
}

.status-yesterday {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.status-week {
  background-color: #fff3e0;
  color: #e65100;
}

.status-completed {
  background-color: #f5f5f5;
  color: var(--color-text-secondary);
}

.status-paused {
  background-color: #fce4ec;
  color: #c2185b;
}

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

.tip-section {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.tip-section h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.tip-section a {
  color: var(--color-primary);
  font-weight: 500;
  margin-right: 16px;
}

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

/* ============================================================
   PAGES — 人气榜单页
   ============================================================ */
.rank-section {
  margin-bottom: 48px;
}

.rank-section > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.rank-section > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rank-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.rank-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
  width: 48px;
  text-align: center;
}

.rank-cover {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.rank-info h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.rank-info p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.rank-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 12px;
  flex-shrink: 0;
}

.rank-reasons {
  margin-bottom: 48px;
}

.rank-reasons > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.rank-reasons > p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.reason-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.reason-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.reason-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.reason-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.related-links h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.related-links > p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links ul li a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition);
}

.related-links ul li a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   PAGES — 阅读指南页
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

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

.guide-aside {
  position: sticky;
  top: 88px;
  min-width: 0;
}

.aside-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

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

.aside-card h2 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.aside-links li {
  margin-bottom: 10px;
}

.aside-links li:last-child {
  margin-bottom: 0;
}

.aside-links li a {
  font-size: 14px;
  color: var(--color-text-secondary);
}

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

.guide-section {
  margin-bottom: 48px;
}

.guide-section > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.content-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}

.content-media-inline {
  margin-bottom: 24px;
}

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

.content-media figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.section-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

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

.method-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.method-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

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

.method-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.method-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.tips-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tips-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

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

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

.tool-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  background-color: var(--color-primary-light);
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ============================================================
   PAGES — 热读推荐页
   ============================================================ */
.feature-intro {
  margin-bottom: 48px;
}

.feature-intro h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.feature-intro p:last-child {
  margin-bottom: 0;
}

.featured-works {
  margin-bottom: 48px;
}

.featured-works > h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.featured-works .section-note {
  margin-bottom: 24px;
}

.work-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.work-media {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-light);
}

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

.work-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.work-info h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
}

.work-info p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.work-tags span {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 12px;
}

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

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

.error-code {
  font-size: 96px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.error-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  border-radius: var(--radius-md);
  min-height: 44px;
}

.error-actions a:not(.btn-home) {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}

.error-actions a:not(.btn-home):hover {
  background-color: var(--color-primary-light);
}

.error-tip {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ============================================================
   RESPONSIVE — 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 20px;
  }

  .brand-slogan {
    display: none;
  }

  .hero-layout {
    gap: 32px;
  }

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

  .layout-shell.sidebar-right {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
  }

  .work-card {
    grid-template-columns: 160px 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    min-height: 56px;
    padding: 8px 16px;
    flex-wrap: wrap;
  }

  .brand {
    margin-right: auto;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    width: 100%;
    margin-left: 0;
    order: 3;
  }

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

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 20px 24px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .home-main {
    padding: 0 16px 48px;
  }

  .hero-section {
    padding: 32px 0 32px;
  }

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

  .hero-intro h1 {
    font-size: 28px;
  }

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

  .category-section,
  .updates-section,
  .ranking-section,
  .guide-section,
  .featured-section {
    padding: 32px 0;
  }

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

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

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

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

  .featured-media {
    aspect-ratio: 16 / 9;
  }

  .featured-content {
    padding: 0 24px 24px;
  }

  .site-main.inner-main {
    padding: 24px 16px 48px;
  }

  .layout-shell {
    padding: 24px 16px 48px;
  }

  .layout-shell.sidebar-right {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .layout-shell.sidebar-right .sidebar-area {
    position: static;
  }

  .page-header {
    margin-bottom: 28px;
  }

  .page-title {
    font-size: 26px;
  }

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

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

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

  .rank-card {
    flex-wrap: wrap;
    padding: 16px;
  }

  .rank-number {
    width: 36px;
    font-size: 24px;
  }

  .rank-cover {
    width: 56px;
    height: 56px;
  }

  .rank-tag {
    margin-left: auto;
  }

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

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

  .guide-aside {
    position: static;
  }

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

  .work-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .work-tags {
    margin-top: 0;
  }

  .error-code {
    font-size: 72px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 8px 12px;
  }

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

  .brand-slogan {
    display: none;
  }

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

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

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

  .section-head h2 {
    font-size: 22px;
  }

  .update-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .update-date {
    width: 100%;
    min-width: 0;
  }

  .update-item a {
    flex: 1 1 calc(100% - 80px);
  }

  .update-section .update-item {
    flex-wrap: nowrap;
  }

  .update-section .update-item img {
    width: 48px;
    height: 48px;
  }

  .update-section .update-item .update-info h3 {
    font-size: 14px;
  }

  .update-section .update-item .update-chapter,
  .update-section .update-item .update-meta {
    font-size: 12px;
  }

  .update-section .update-item .update-status {
    font-size: 11px;
    padding: 2px 8px;
  }

  .rank-card {
    gap: 12px;
  }

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

  .rank-tag {
    display: none;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .method-item {
    padding: 16px;
  }

  .method-number {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .faq-item summary {
    font-size: 14px;
  }

  .related-links {
    gap: 8px;
  }

  .related-links-item {
    font-size: 13px;
    padding: 4px 10px;
  }
}