/* ==========================================================================
   免费看漫画 - 全站样式表
   数据报告风格 · 冷色调 · 信息密度优先
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Base - 基础变量、重置与全局样式
   -------------------------------------------------------------------------- */
:root {
  --color-dark: #2c3e50;
  --color-primary: #3498db;
  --color-accent: #e74c3c;
  --color-light: #ecf0f1;
  --color-white: #ffffff;
  --color-text: #34495e;
  --color-text-light: #7f8c8d;
  --color-border: #dce1e6;
  --color-bg: #f5f7fa;
  --color-card: #ffffff;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --header-height: 68px;
  --radius: 8px;
  --shadow-sm: 0 1px 4px rgba(44, 62, 80, 0.08);
  --shadow-md: 0 4px 16px rgba(44, 62, 80, 0.1);
  --transition: all 0.25s ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.125rem;
}

p {
  margin-bottom: 0.75rem;
}

/* --------------------------------------------------------------------------
   2. Layout - 全站布局骨架
   -------------------------------------------------------------------------- */

/* 全站容器 */
.site-header,
.site-footer,
.site-main {
  width: 100%;
}

.header-inner,
.footer-inner,
.hero-section,
.category-nav-section,
.updates-section,
.ranking-section,
.guide-entry-section,
.featured-topics-section,
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- 页头 ---------- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

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

.brand-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
}

.brand-slogan {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.2;
}

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

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

.nav-list li a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.nav-list li a.is-current {
  color: var(--color-primary);
  background-color: rgba(52, 152, 219, 0.1);
  font-weight: 600;
}

/* 移动端导航按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

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

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

.inner-main {
  padding-top: 32px;
  padding-bottom: 56px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

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

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

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

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-light);
}

.page-title {
  font-size: 1.875rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 720px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 48px;
  margin-top: 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 32px;
}

.footer-brand {
  flex: 1 1 260px;
  max-width: 320px;
}

.footer-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  flex: 2 1 600px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-group {
  flex: 1 1 160px;
}

.footer-group-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-group ul li {
  margin-bottom: 6px;
}

.footer-group ul li a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

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

/* 区块标题 */
.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  padding-left: 14px;
}

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

.section-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: #2980b9;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-dark);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* 分类标签 */
.category-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  background-color: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.category-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.tag-romance {
  border-left: 3px solid #e74c3c;
}

.tag-action {
  border-left: 3px solid #e67e22;
}

.tag-workplace {
  border-left: 3px solid #3498db;
}

.tag-life {
  border-left: 3px solid #27ae60;
}

/* 作品卡片（通用） */
.work-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

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

.work-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background-color: var(--color-light);
}

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

.work-info {
  padding: 16px;
}

.work-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.work-tags,
.work-meta {
  font-size: 0.8125rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.work-desc {
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.55;
}

.work-reason {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.work-reason strong {
  color: var(--color-dark);
  font-weight: 600;
}

/* 图片容器约束 */
figure img {
  width: 100%;
  height: auto;
}

figcaption {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  text-align: center;
  padding: 8px 0;
}

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

/* ---------- 首屏 Hero ---------- */
.hero-section {
  padding: 48px 20px 40px;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-copy {
  order: 1;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.25;
}

.hero-lead {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 480px;
}

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

.hero-figure {
  order: 2;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 8px 12px;
  background-color: var(--color-light);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* 数据摘要 */
.hero-stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  order: 3;
  margin-top: 8px;
}

.stat-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

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

/* ---------- 最近更新 ---------- */
.updates-section {
  padding: 48px 20px;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.update-date {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--color-border);
}

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

.update-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

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

.update-link {
  display: block;
  height: 100%;
}

.update-link img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.update-info {
  display: block;
  padding: 12px;
}

.update-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 4px;
  line-height: 1.4;
}

.update-meta {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.update-status {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* ---------- 人气榜单 ---------- */
.ranking-section {
  padding: 48px 20px;
}

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

.ranking-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  transition: var(--transition);
}

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

.rank-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1.2;
  min-width: 32px;
}

.ranking-item img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.rank-content {
  flex: 1;
}

.rank-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.rank-reason {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ---------- 指南入口 ---------- */
.guide-entry-section {
  padding: 48px 20px;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.guide-card {
  display: block;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.guide-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.guide-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.guide-card-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ---------- 长尾专题预告 ---------- */
.featured-topics-section {
  padding: 48px 20px;
}

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

.topic-card {
  display: block;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.topic-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.topic-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.topic-card-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   5. Pages - 题材分类页（toc）
   -------------------------------------------------------------------------- */

.category-index {
  margin-bottom: 40px;
}

.category-tag-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.category-detail {
  display: grid;
  gap: 32px;
}

.category-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.category-block-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-light);
}

.category-block-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-block-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

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

.category-works .work-card {
  display: flex;
  gap: 16px;
  padding: 12px;
  border: none;
  background-color: var(--color-bg);
}

.category-works .work-card img {
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.category-works .work-card figcaption {
  flex: 1;
  text-align: left;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.category-works .work-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.category-works .work-brief {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 8px;
}

.category-works .work-card a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* 相关阅读 */
.related-links {
  margin-top: 40px;
  padding: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.related-links a {
  margin-right: 16px;
}

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

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

.guide-cover {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.guide-cover img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.guide-cover figcaption {
  background-color: var(--color-light);
}

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

.question-list h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.question-list > p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

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

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

.guide-item h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-item p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

.guide-item a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* 相关入口 */
.guide-related {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.guide-related h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.related-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.related-card {
  display: block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  transition: var(--transition);
}

.related-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.related-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.related-card p {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   7. Pages - 推荐列表页（romance / action）
   -------------------------------------------------------------------------- */

.recommendation-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.recommendation-list .section-title,
.recommendation-list .section-note,
.recommendation-list .section-intro {
  grid-column: 1 / -1;
}

.section-note,
.section-intro {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.recommendation-list .work-card {
  display: flex;
  gap: 16px;
  padding: 16px;
}

.recommendation-list .work-cover {
  width: 120px;
  height: 160px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
}

.recommendation-list .work-info {
  flex: 1;
  padding: 0;
}

.recommendation-list .work-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.recommendation-list .work-desc {
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.recommendation-list .work-reason {
  font-size: 0.8125rem;
}

.recommendation-list .work-reason strong {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 4px;
}

/* 阅读贴士 */
.recommendation-tips,
.recommendation-notes {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 32px;
}

.recommendation-tips h2,
.recommendation-notes h2 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.recommendation-tips > p,
.recommendation-notes p {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
}

.tips-list {
  margin: 16px 0;
}

.tips-list li {
  position: relative;
  padding: 8px 0 8px 24px;
  font-size: 0.9375rem;
  line-height: 1.5;
}

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

/* 相关链接 */
.related-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.related-list li a {
  display: block;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.related-list li a:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   8. Pages - 404 页
   -------------------------------------------------------------------------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 20px;
  flex-direction: column;
}

.error-panel {
  text-align: center;
  max-width: 520px;
  margin-bottom: 40px;
}

.error-code {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.error-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.error-back {
  display: inline-block;
  padding: 10px 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  font-weight: 500;
}

.error-back:hover {
  background-color: #2980b9;
  color: var(--color-white);
}

.error-suggest {
  width: 100%;
  max-width: 640px;
}

.suggest-title {
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 16px;
}

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

.suggest-list li a {
  display: block;
  padding: 12px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.9375rem;
  transition: var(--transition);
}

.suggest-list li a:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   9. Responsive - 响应式
   -------------------------------------------------------------------------- */

/* 平板 */
@media (max-width: 992px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-copy {
    order: 1;
  }

  .hero-figure {
    order: 2;
  }

  .hero-stats {
    order: 3;
  }

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

  .guide-cover {
    position: static;
    max-width: 480px;
  }

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

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

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

/* 手机 */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .header-inner {
    height: auto;
    min-height: var(--header-height);
    flex-wrap: wrap;
    padding-top: 8px;
    padding-bottom: 8px;
    gap: 8px;
  }

  .brand-logo {
    flex: 1;
  }

  .nav-toggle {
    display: flex;
  }

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

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

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

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

  .nav-list li a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius);
  }

  .hero-section {
    padding: 32px 16px;
  }

  .hero-title {
    font-size: 1.625rem;
  }

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

  .category-nav-section,
  .updates-section,
  .ranking-section,
  .guide-entry-section,
  .featured-topics-section {
    padding: 32px 16px;
  }

  .inner-main {
    padding: 24px 16px 40px;
  }

  .page-title {
    font-size: 1.5rem;
  }

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

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

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

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

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

  .recommendation-list .work-card {
    flex-direction: column;
  }

  .recommendation-list .work-cover {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

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

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

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    flex-direction: column;
    gap: 20px;
  }

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

  .category-tags {
    gap: 8px;
  }

  .category-tag {
    padding: 6px 14px;
    font-size: 0.875rem;
  }
}

/* 小手机 */
@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .stat-card {
    padding: 14px;
  }

  .stat-number {
    font-size: 1.375rem;
  }

  .ranking-item {
    padding: 12px;
  }

  .ranking-item img {
    width: 60px;
    height: 80px;
  }

  .category-works .work-card {
    flex-direction: column;
  }

  .category-works .work-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .footer-group {
    flex: 1 1 100%;
  }
}