/* =========================================================
   acg漫画网 - 全站样式表
   年度报告风：章节编号、大数据字、信息图、清爽二次元配色
   ========================================================= */

/* =========================================================
   Base - 基础变量、Reset、排版
   ========================================================= */
:root {
  --color-white: #FFFFFF;
  --color-ink: #1E2A3A;
  --color-coral: #FF6B6B;
  --color-teal: #4ECDC4;
  --color-sun: #FFE66D;
  --color-bg: #F7F9FC;
  --color-border: #E3E9F2;
  --color-text: #33415C;
  --color-text-light: #6B7A99;
  --color-text-muted: #8A97B3;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, monospace;

  --container-width: 1200px;
  --container-pad: 24px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --h1-size: 32px;
  --h2-size: 24px;
  --h3-size: 20px;
  --body-size: 16px;
  --line-height: 1.7;

  --header-height: 68px;
  --breakpoint-mobile: 768px;
}

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

html {
  font-size: var(--body-size);
  scroll-behavior: smooth;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

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

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

h1 {
  font-size: var(--h1-size);
}

h2 {
  font-size: var(--h2-size);
}

h3 {
  font-size: var(--h3-size);
}

/* 数字年份使用等宽字体，体现年度报告感 */
.rank-number,
.step-number,
.work-index,
.update-date,
.error-code {
  font-family: var(--font-mono);
}

/* =========================================================
   Layout - 全站骨架、容器、页头、页脚
   ========================================================= */

/* 全站统一容器 */
.header-inner,
.footer-inner,
.site-main,
.hero-section,
.category-nav-section,
.recent-updates,
.ranking-preview,
.guide-entry,
.category-list,
.category-works,
.category-tips,
.guide-content,
.page-layout,
.recommendation-section,
.subgenre-section,
.related-links,
.error-content {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ---------- 页头 ---------- */
.site-header {
  background: var(--color-ink);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(30, 42, 58, 0.08);
}

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

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.brand-name::before {
  content: "◆";
  color: var(--color-sun);
  margin-right: 6px;
  font-size: 14px;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  border-radius: var(--radius-md);
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-list li a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

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

/* 汉堡按钮（默认隐藏） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border-radius: var(--radius-md);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.78);
  margin-top: 64px;
  padding-top: 48px;
  padding-bottom: 24px;
}

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

.footer-brand {
  flex: 0 0 200px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  padding-right: 24px;
}

.footer-nav {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  min-width: 260px;
}

.footer-link-group {
  flex: 1;
  min-width: 140px;
}

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-sun);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

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

.footer-link-group ul li a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

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

.copyright {
  flex-basis: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 主内容区 ---------- */
.site-main {
  min-height: 60vh;
}

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

.inner-main {
  padding-top: 32px;
  padding-bottom: 48px;
}

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

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

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

.breadcrumb-sep {
  color: var(--color-text-muted);
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-border);
}

.page-title {
  font-size: var(--h1-size);
  color: var(--color-ink);
  margin-bottom: 10px;
}

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

/* 区块标题（全站统一） */
.section-title {
  font-size: var(--h2-size);
  color: var(--color-ink);
  margin-bottom: 8px;
  position: relative;
}

.section-title::before {
  content: "▍";
  color: var(--color-coral);
  margin-right: 4px;
}

.section-desc,
.section-lead,
.section-intro {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 28px;
  max-width: 680px;
}

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

/* 章节编号（年度报告感） */
.rank-number,
.step-number,
.work-index {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-coral);
  line-height: 1;
}

/* ---------- 漫画封面卡通用 ---------- */
.comic-cover,
.card-cover,
.category-media,
.hero-figure,
.guide-figure {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-border);
}

.comic-cover img,
.card-cover img,
.category-media img,
.hero-figure img,
.guide-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.comic-cover:hover img,
.card-cover:hover img,
.category-media:hover img {
  transform: scale(1.04);
}

/* ---------- 相关阅读链接 ---------- */
.related-links {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.related-links h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

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

.related-links a {
  margin-right: 16px;
  display: inline-block;
  padding: 4px 0;
}

/* =========================================================
   Pages - 首页
   ========================================================= */

/* ---------- Hero 首屏（目录式布局） ---------- */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 48px;
  margin-bottom: 8px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-size: 40px;
  line-height: 1.25;
  margin-bottom: 16px;
  max-width: 520px;
}

.hero-title .accent {
  color: var(--color-coral);
}

.hero-lead {
  font-size: 17px;
  color: var(--color-text-light);
  margin-bottom: 28px;
  max-width: 460px;
  line-height: 1.7;
}

.hero-cta {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-coral);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-cta:hover {
  background: #e85a5a;
  color: var(--color-white);
  transform: translateY(-1px);
}

.hero-figure {
  width: 100%;
  aspect-ratio: 4 / 3;
}

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

/* 快速分类索引 */
.quick-index {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.index-tag {
  display: inline-block;
  padding: 8px 18px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-text);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.index-tag:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
  background: rgba(78, 205, 196, 0.06);
}

/* ---------- 题材分类导航带 ---------- */
.category-nav-section {
  padding-top: 48px;
  padding-bottom: 48px;
}

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

.category-tag {
  display: inline-block;
  padding: 10px 24px;
  background: var(--color-ink);
  color: var(--color-white);
  font-size: 15px;
  border-radius: var(--radius-md);
  transition: background 0.2s ease, transform 0.2s ease;
}

.category-tag:hover {
  background: var(--color-coral);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

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

.update-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.update-date {
  flex: 0 0 72px;
  text-align: center;
  padding-top: 8px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.4;
}

.update-content {
  display: flex;
  gap: 16px;
  flex: 1;
  align-items: flex-start;
}

.update-content img {
  width: 96px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.update-info {
  flex: 1;
}

.update-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.update-meta {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.update-status {
  display: inline-block;
  font-size: 12px;
  padding: 2px 10px;
  background: rgba(78, 205, 196, 0.12);
  color: var(--color-teal);
  border-radius: 999px;
  font-weight: 500;
}

/* ---------- 人气榜单预览 ---------- */
.ranking-preview {
  padding-top: 48px;
  padding-bottom: 48px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.ranking-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.ranking-item {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.ranking-item:hover {
  box-shadow: 0 4px 16px rgba(30, 42, 58, 0.08);
  transform: translateY(-2px);
}

.rank-number {
  font-size: 28px;
  font-weight: 800;
  flex-shrink: 0;
  min-width: 32px;
}

.rank-body {
  flex: 1;
}

.rank-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.rank-reason {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
}

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

.guide-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.guide-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.guide-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 4px 20px rgba(78, 205, 196, 0.12);
}

.guide-card-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.guide-card-title a {
  color: var(--color-ink);
}

.guide-card-title a:hover {
  color: var(--color-coral);
}

.guide-card-text {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.guide-card-link {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.guide-card-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.guide-card-link:hover::after {
  transform: translateX(4px);
}

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

/* 题材分类网格 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  box-shadow: 0 6px 24px rgba(30, 42, 58, 0.08);
  transform: translateY(-3px);
}

.category-media {
  aspect-ratio: 16 / 9;
  border-radius: 0;
}

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

.category-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.category-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.category-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 10px;
}

.category-example {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.category-link {
  font-size: 14px;
  font-weight: 600;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.category-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.category-link:hover::after {
  transform: translateX(4px);
}

/* 代表作品列表 */
.category-works {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.works-list {
  display: grid;
  gap: 0;
}

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

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

.work-index {
  font-size: 24px;
  font-weight: 800;
  flex-shrink: 0;
  min-width: 40px;
  padding-top: 4px;
}

.work-content {
  flex: 1;
}

.work-title {
  font-size: 17px;
  margin-bottom: 6px;
}

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

.work-link {
  font-size: 14px;
  font-weight: 500;
}

/* 分类小贴士 */
.category-tips {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.tips-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.tips-col {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border-left: 4px solid var(--color-teal);
}

.tips-title {
  font-size: 16px;
  margin-bottom: 8px;
}

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

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

.guide-content {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

/* 步骤区 */
.guide-section {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.guide-steps {
  display: grid;
  gap: 20px;
}

.guide-step {
  display: flex;
  gap: 20px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.step-number {
  flex-shrink: 0;
  font-size: 32px;
  font-weight: 800;
  min-width: 48px;
  line-height: 1;
  padding-top: 4px;
}

.step-body {
  flex: 1;
}

.step-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.step-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

.step-body p:last-child {
  margin-bottom: 0;
}

/* 追更技巧卡片 */
.guide-tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.guide-tip-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.guide-tip-card:hover {
  border-color: var(--color-teal);
  box-shadow: 0 4px 16px rgba(78, 205, 196, 0.1);
}

.tip-title {
  font-size: 16px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tip-title::before {
  content: "✦";
  color: var(--color-sun);
  font-size: 14px;
}

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

/* 阅读习惯区 */
.habit-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.guide-figure {
  aspect-ratio: 4 / 3;
}

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

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

.habit-text p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

.habit-text p:last-child {
  margin-bottom: 0;
}

/* FAQ 折叠区 */
.faq-list {
  display: grid;
  gap: 12px;
}

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

.faq-item[open] {
  border-color: var(--color-teal);
}

.faq-question {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

.faq-question::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-teal);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

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

/* =========================================================
   Pages - 恋爱漫画页 (romance.html)
   ========================================================= */

.page-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.main-content {
  min-width: 0;
  /* 防止内容溢出 */
}

/* 推荐列表 */
.recommendation-list {
  margin-bottom: 48px;
}

.recommendation-list h2 {
  font-size: var(--h2-size);
  margin-bottom: 8px;
}

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

.comic-card {
  display: flex;
  gap: 20px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  transition: box-shadow 0.2s ease;
}

.comic-card:hover {
  box-shadow: 0 4px 16px rgba(30, 42, 58, 0.06);
}

.comic-cover {
  flex: 0 0 140px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
}

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

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

.comic-info h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.comic-meta {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

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

.comic-reason {
  font-size: 13px;
  color: var(--color-teal);
  background: rgba(78, 205, 196, 0.08);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  line-height: 1.5;
}

/* 题材细分 */
.subgenre-section {
  margin-bottom: 48px;
}

.subgenre-section h2 {
  font-size: var(--h2-size);
  margin-bottom: 8px;
}

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

.subgenre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.subgenre-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color 0.2s ease;
}

.subgenre-item:hover {
  border-color: var(--color-teal);
}

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

.subgenre-item p,
.subgenre-item .subgenre-name + p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 侧栏 */
.sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

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

.sidebar-card h3 {
  font-size: 16px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-sun);
}

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

/* =========================================================
   Pages - 热血漫画页 (action.html)
   ========================================================= */

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

.recommend-list {
  display: grid;
  gap: 20px;
}

.recommend-card {
  display: flex;
  gap: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow 0.2s ease;
}

.recommend-card:hover {
  box-shadow: 0 4px 16px rgba(30, 42, 58, 0.06);
}

.card-cover {
  flex: 0 0 160px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
}

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

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

.card-title {
  font-size: 18px;
  margin-bottom: 6px;
}

.card-meta {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.card-desc {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 10px;
}

.card-reason {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
  background: rgba(255, 230, 109, 0.15);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.card-reason strong {
  color: var(--color-coral);
}

/* 热血页的题材细分 */
.subgenre-section .subgenre-item h3.subgenre-name {
  font-size: 16px;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.subgenre-name::before {
  content: "⚡";
  position: absolute;
  left: 0;
  color: var(--color-coral);
  font-size: 14px;
}

/* =========================================================
   Pages - 404 页面
   ========================================================= */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 64px 24px;
}

.error-content {
  text-align: center;
  max-width: 520px;
  width: 100%;
}

.error-code {
  font-size: 96px;
  font-weight: 800;
  color: var(--color-coral);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.error-home-btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--color-ink);
  color: var(--color-white);
  font-size: 15px;
  border-radius: var(--radius-md);
  transition: background 0.2s ease;
}

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

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

/* 平板及以下 */
@media (max-width: 992px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
  }

  .hero-figure {
    max-width: 480px;
    margin: 0 auto;
  }

  .quick-index {
    grid-column: 1;
  }

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

  .sidebar-info {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sidebar-card {
    flex: 1;
    min-width: 240px;
  }

  .habit-content {
    grid-template-columns: 1fr;
  }

  .guide-figure {
    max-width: 480px;
    margin: 0 auto;
  }
}

/* 手机端 */
@media (max-width: 768px) {
  :root {
    --container-pad: 16px;
    --h1-size: 26px;
    --h2-size: 21px;
    --h3-size: 18px;
  }

  /* 页头 */
  .header-inner {
    height: 60px;
    gap: 12px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-ink);
    padding: 0 16px;
    box-shadow: 0 8px 24px rgba(30, 42, 58, 0.2);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 16px;
    gap: 2px;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--radius-md);
  }

  .nav-list li a.is-current {
    background: var(--color-sun);
  }

  /* 首页 Hero */
  .hero-section {
    padding-top: 40px;
    padding-bottom: 32px;
    gap: 24px;
  }

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

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

  .hero-cta {
    padding: 10px 24px;
    font-size: 14px;
  }

  .quick-index {
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
  }

  .index-tag {
    padding: 6px 14px;
    font-size: 13px;
  }

  /* 首页模块间距 */
  .category-nav-section,
  .recent-updates,
  .ranking-preview,
  .guide-entry {
    padding-top: 36px;
    padding-bottom: 36px;
  }

  /* 最近更新 */
  .update-item {
    flex-direction: column;
    gap: 12px;
  }

  .update-date {
    flex: none;
    text-align: left;
    padding-top: 0;
    font-size: 13px;
  }

  .update-content {
    gap: 12px;
  }

  .update-content img {
    width: 80px;
    height: 56px;
  }

  .update-title {
    font-size: 15px;
  }

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

  .ranking-item {
    padding: 16px;
  }

  /* 指南卡片 */
  .guide-cards {
    grid-template-columns: 1fr;
  }

  .guide-card {
    padding: 20px;
  }

  /* 内页 */
  .inner-main {
    padding-top: 24px;
    padding-bottom: 32px;
  }

  .breadcrumb {
    margin-bottom: 16px;
    font-size: 13px;
    flex-wrap: wrap;
  }

  .page-header {
    margin-bottom: 28px;
    padding-bottom: 16px;
  }

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

  .page-description {
    font-size: 14px;
  }

  /* 分类页 */
  .category-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .category-body {
    padding: 16px;
  }

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

  .work-index {
    font-size: 20px;
  }

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

  /* 指南页 */
  .guide-content {
    gap: 48px;
  }

  .guide-step {
    flex-direction: column;
    gap: 12px;
    padding: 20px;
  }

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

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

  .guide-tip-card {
    padding: 20px;
  }

  .habit-content {
    gap: 20px;
  }

  .faq-question {
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 16px 14px;
    font-size: 13px;
  }

  /* 恋爱漫画页 */
  .comic-card {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }

  .comic-cover {
    flex: none;
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .comic-cover img {
    height: 100%;
  }

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

  .subgenre-item {
    padding: 16px;
  }

  .sidebar-info {
    flex-direction: column;
  }

  .sidebar-card {
    min-width: 0;
  }

  /* 热血漫画页 */
  .recommend-card {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }

  .card-cover {
    flex: none;
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .card-cover img {
    height: 100%;
  }

  /* 404 */
  .error-code {
    font-size: 64px;
  }

  .error-main {
    padding: 48px 16px;
  }

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

  .footer-inner {
    gap: 24px;
  }

  .footer-brand {
    flex-basis: 100%;
    padding-right: 0;
  }

  .footer-nav {
    gap: 24px;
    min-width: 100%;
  }

  .footer-link-group {
    min-width: calc(50% - 12px);
  }
}

/* 小屏手机（390px 及以下） */
@media (max-width: 390px) {
  .footer-link-group {
    min-width: 100%;
  }

  .index-tag {
    padding: 6px 12px;
    font-size: 12px;
  }

  .category-tag {
    padding: 8px 18px;
    font-size: 14px;
  }
}