/* ============================================================
   yy漫画 · 全站样式表
   ============================================================ */

/* ============================================================
   Base — 基础变量、重置、全局排版
   ============================================================ */
:root {
  --color-bg: #f5f5f5;
  --color-bg-deep: #1a1a2e;
  --color-bg-card: #ffffff;
  --color-primary: #e94560;
  --color-secondary: #0f3460;
  --color-text: #222222;
  --color-text-light: #6b6b6b;
  --color-text-invert: #ffffff;
  --color-border: #e0e0e0;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-card: 0 2px 8px rgba(26, 26, 46, 0.08);
  --shadow-hover: 0 6px 20px rgba(26, 26, 46, 0.14);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --header-height: 68px;
  --content-max: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

figure {
  margin: 0;
}

/* ============================================================
   Layout — 全站骨架：页头、主容器、页脚
   ============================================================ */

.site-header {
  background-color: var(--color-bg-deep);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.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 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
  line-height: 1.2;
}

.brand-name {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-text-invert);
  letter-spacing: 1px;
}

.brand-slogan {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  display: none;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.nav-link.is-current {
  color: #ffffff;
  background-color: var(--color-primary);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--radius-sm);
  background-color: transparent;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

.home-main {
  padding-top: 0;
}

.inner-main {
  padding-top: 32px;
  padding-bottom: 60px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  padding: 10px 0;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: #b0b0b0;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-bg-deep);
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-bg-deep);
  line-height: 1.3;
  margin-bottom: 8px;
}

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

/* 页脚 */
.site-footer {
  background-color: var(--color-bg-deep);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 60px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 20px 32px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}

.footer-brand-name {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 320px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-group-title {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14px;
}

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

.footer-group ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer-group ul a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   Components — 通用组件
   ============================================================ */

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-bg-deep);
  margin-bottom: 8px;
  line-height: 1.4;
}

.section-desc,
.section-intro {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 680px;
}

.section-more-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.section-more-link:hover {
  border-bottom-color: var(--color-primary);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

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

.btn-primary:hover {
  background-color: #d43a55;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-secondary:hover {
  border-color: #ffffff;
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

/* 卡片通用 */
.card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 12px;
}

.card-link:hover {
  color: var(--color-secondary);
}

/* ============================================================
   Pages — 首页
   ============================================================ */

/* 首屏 hero */
.hero-section {
  background-color: var(--color-bg-deep);
  color: #ffffff;
  margin: 0 -20px;
  padding: 72px 20px 64px;
  position: relative;
}

.hero-section::after {
  content: "";
  display: block;
  width: 100%;
  height: 4px;
  background-color: var(--color-primary);
  position: absolute;
  bottom: 0;
  left: 0;
}

.hero-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #ffffff;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

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

.hero-quick-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.hero-quick-links a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

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

/* 题材分类导航 */
.category-nav-section {
  padding: 56px 0 40px;
}

.category-nav-section .section-title,
.category-nav-section .section-desc {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.category-tag-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.category-tag {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 12px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  min-height: 52px;
  text-align: center;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.category-tag:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

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

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

.update-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.update-date {
  flex-shrink: 0;
  min-width: 72px;
  text-align: center;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-secondary);
  line-height: 1.4;
  align-self: flex-start;
}

.update-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.5;
}

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

/* 人气榜单预览 */
.rank-preview-section {
  padding: 48px 0;
  background-color: var(--color-bg-card);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}

.rank-preview-section .section-title,
.rank-preview-section .section-desc {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

.rank-list {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.rank-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.rank-number {
  flex-shrink: 0;
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  min-width: 36px;
}

.rank-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

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

/* 阅读指南入口 */
.guide-entry-section {
  padding: 48px 0;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.guide-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.guide-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-bg-deep);
  margin-bottom: 10px;
}

.guide-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 热血漫画推荐预告 */
.recommend-preview-section {
  padding: 48px 0;
}

.feature-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--color-border);
  align-items: center;
  transition: box-shadow var(--transition-fast);
}

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

.feature-text h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-bg-deep);
  margin-bottom: 12px;
}

.feature-text p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 8px;
}

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

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

/* ============================================================
   Pages — 题材分类页
   ============================================================ */

.category-list {
  margin-bottom: 48px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

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

.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.category-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.category-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-bg-deep);
  padding: 16px 16px 4px;
}

.category-card p {
  font-size: 14px;
  color: var(--color-text-light);
  padding: 0 16px 16px;
  line-height: 1.6;
}

.category-detail {
  margin-bottom: 48px;
}

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

.detail-item {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-secondary);
}

.detail-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-bg-deep);
  margin-bottom: 8px;
}

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

.topic-related {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border);
}

.related-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.related-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links li a {
  display: inline-block;
  padding: 8px 18px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-secondary);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.related-links li a:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
}

/* ============================================================
   Pages — 阅读指南页
   ============================================================ */

.guide-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.guide-steps {
  padding: 32px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

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

.step-card {
  padding: 24px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-bg-deep);
  margin-bottom: 8px;
}

.step-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.guide-tips {
  padding: 32px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.tips-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tip-item {
  padding: 20px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-secondary);
}

.tip-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-bg-deep);
  margin-bottom: 8px;
}

.tip-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.tip-text a {
  color: var(--color-primary);
}

.guide-bookmark {
  padding: 32px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.bookmark-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.bookmark-card {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.bookmark-media {
  overflow: hidden;
}

.bookmark-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.bookmark-media figcaption {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
}

.bookmark-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-bg-deep);
  padding: 16px 16px 4px;
}

.bookmark-text {
  font-size: 14px;
  color: var(--color-text-light);
  padding: 0 16px 16px;
  line-height: 1.7;
}

.guide-faq {
  padding: 32px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

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

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

.faq-question {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-bg-deep);
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
  position: relative;
  padding-right: 32px;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  padding: 8px 0 8px 16px;
}

.faq-answer a {
  color: var(--color-primary);
  margin-right: 12px;
}

/* ============================================================
   Pages — 最近更新页
   ============================================================ */

.update-section {
  margin-bottom: 40px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
}

.update-section .section-desc {
  margin-bottom: 20px;
}

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

.update-section .update-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  align-items: center;
  padding: 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.update-section .update-item img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.update-section .update-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.update-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

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

.update-section .update-info a {
  font-size: 14px;
  color: var(--color-primary);
  align-self: flex-start;
}

.related-links[aria-label="相关阅读入口"] {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  margin-top: 32px;
}

.related-links[aria-label="相关阅读入口"] p {
  font-size: 14px;
  color: var(--color-text-light);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links[aria-label="相关阅读入口"] a {
  color: var(--color-primary);
}

/* ============================================================
   Pages — 人气榜单页
   ============================================================ */

.rank-section {
  margin-bottom: 40px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
}

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

.rank-section .rank-item {
  display: grid;
  grid-template-columns: 48px 80px 1fr;
  gap: 16px;
  align-items: center;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.rank-cover {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.rank-cover img {
  width: 80px;
  height: 64px;
  object-fit: cover;
}

.rank-info .rank-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.rank-meta {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.rank-reason {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.rank-tips {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.rank-tips .section-title {
  margin-bottom: 12px;
}

.rank-tips p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.rank-tips a {
  color: var(--color-primary);
}

/* ============================================================
   Pages — 热血漫画推荐页
   ============================================================ */

.recommend-list {
  margin-bottom: 40px;
}

.recommend-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--color-border);
  margin-bottom: 20px;
  transition: box-shadow var(--transition-fast);
}

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

.recommend-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.recommend-cover img {
  width: 220px;
  height: 160px;
  object-fit: cover;
}

.recommend-cover figcaption {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 8px 4px 0;
  text-align: center;
}

.recommend-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recommend-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-bg-deep);
}

.recommend-tags {
  font-size: 13px;
  color: var(--color-primary);
}

.recommend-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.recommend-reason {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  background-color: var(--color-bg);
  padding: 12px;
  border-radius: var(--radius-sm);
}

.recommend-reason strong {
  color: var(--color-primary);
}

.extension {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.extension-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.extension-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.extension-item a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
}

.extension-item span {
  display: block;
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 4px;
}

.reading-tip {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.reading-tip p {
  font-size: 14px;
  color: var(--color-text-light);
}

.reading-tip a {
  color: var(--color-primary);
}

/* ============================================================
   Pages — 404 页
   ============================================================ */

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

.error-panel {
  text-align: center;
  padding: 60px 40px;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  max-width: 560px;
  width: 100%;
}

.error-code {
  font-size: 80px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-bg-deep);
  margin-bottom: 12px;
}

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

.error-back {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.error-back:hover {
  background-color: #d43a55;
  color: #ffffff;
}

/* ============================================================
   Responsive — 响应式断点
   ============================================================ */

@media (max-width: 1024px) {
  .category-tag-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .hero-title {
    font-size: 34px;
  }

  .hero-media img {
    height: 280px;
  }

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

@media (max-width: 768px) {
  /* 页头 */
  .header-inner {
    padding: 0 16px;
  }

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg-deep);
    margin-left: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    padding: 0;
  }

  .nav-list.is-open {
    max-height: 480px;
    padding: 8px 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: 14px 20px;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-link.is-current {
    border-radius: 0;
  }

  /* 首页 hero */
  .hero-section {
    padding: 48px 16px 40px;
  }

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

  .hero-title {
    font-size: 28px;
  }

  .hero-media img {
    height: 220px;
  }

  /* 首页模块 */
  .category-nav-section,
  .recent-updates-section,
  .rank-preview-section,
  .guide-entry-section,
  .recommend-preview-section {
    padding: 36px 0;
  }

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

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

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

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

  .feature-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .feature-media img {
    height: 200px;
  }

  /* 内页 */
  .inner-main {
    padding-top: 24px;
    padding-bottom: 40px;
  }

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

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

  /* 题材分类页 */
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

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

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

  .related-links {
    flex-direction: column;
    gap: 8px;
  }

  /* 阅读指南页 */
  .guide-steps,
  .guide-tips,
  .guide-bookmark,
  .guide-faq {
    padding: 20px;
  }

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

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

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

  /* 最近更新页 */
  .update-section {
    padding: 20px;
  }

  .update-section .update-item {
    grid-template-columns: 80px 1fr;
    gap: 12px;
  }

  .update-section .update-item img {
    width: 80px;
    height: 64px;
  }

  /* 人气榜单页 */
  .rank-section {
    padding: 20px;
  }

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

  .rank-cover img {
    width: 64px;
    height: 52px;
  }

  /* 热血漫画推荐页 */
  .recommend-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 24px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 22px;
  }

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

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

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .btn {
    width: 100%;
  }

  .category-tag-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .category-tag {
    padding: 12px 8px;
    font-size: 14px;
    min-height: 44px;
  }

  .update-item {
    flex-direction: column;
    gap: 12px;
  }

  .update-date {
    align-self: flex-start;
  }

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

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

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

  .category-card img {
    height: 160px;
  }

  .section-title {
    font-size: 20px;
  }

  .page-title {
    font-size: 22px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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