/* ============================================================
   天堂漫画 全站样式表
   版本：1.0
   说明：本文件为整站唯一样式来源，覆盖首页、内页、404 页。
   分组：base / layout / components / pages / responsive
   ============================================================ */

/* ============================================================
   Base — 基础变量、重置与全局元素样式
   ============================================================ */
:root {
  --color-bg: #faf8f5;
  --color-text: #262626;
  --color-text-secondary: #7a6f66;
  --color-accent: #b1442c;
  --color-accent-hover: #933a26;
  --color-border: #ece5dc;
  --color-card: #ffffff;
  --color-footer-bg: #f0ece6;
  --font-family-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --container-width: 1200px;
  --container-padding: 24px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --transition-base: 0.2s ease;
  --breakpoint-mobile: 768px;
}

*,
*::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-family-base);
  font-size: 16px;
  line-height: 1.8;
  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-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

ul,
ol {
  list-style: none;
}

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

/* 辅助隐藏，仅供屏幕阅读器 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   Layout — 全站布局骨架、页头、页脚、主容器
   ============================================================ */

/* ---- 全站页面骨架 ---- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* ---- 页头 ---- */
.site-header {
  background-color: var(--color-card);
  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 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1.4;
}

.brand-logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  line-height: 1.6;
  transition: color var(--transition-base), background-color var(--transition-base);
}

.nav-list a:hover {
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.06);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--color-accent);
  font-weight: 600;
  background-color: rgba(177, 68, 44, 0.08);
}

/* 移动端汉堡按钮，桌面隐藏 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
  gap: 4px;
}

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

/* ---- 页脚 ---- */
.site-footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding) 24px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}

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

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

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

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

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

.footer-col a {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px var(--container-padding);
  text-align: center;
}

.footer-bottom p {
  max-width: var(--container-width);
  margin: 0 auto;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---- 内页通用主容器 ---- */
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 64px;
  width: 100%;
}

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 20px 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

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

.breadcrumb a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumb .breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
  user-select: none;
}

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

/* ---- 内页页面标题区 ---- */
.page-header {
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 720px;
}

/* ---- 通用区块标题 ---- */
.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 24px;
  line-height: 1.5;
}

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

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  line-height: 1.5;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: rgba(177, 68, 44, 0.08);
  color: var(--color-accent-hover);
  text-decoration: none;
}

/* ---- 标签 ---- */
.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 13px;
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.08);
  border-radius: var(--radius-sm);
  line-height: 1.6;
  white-space: nowrap;
}

.tag-item {
  display: inline-block;
  padding: 6px 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  line-height: 1.6;
  transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
  text-decoration: none;
}

.tag-item:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.04);
  text-decoration: none;
}

/* ---- 封面图容器 ---- */
figure img {
  width: 100%;
  object-fit: cover;
}

/* ============================================================
   Pages — 页面级样式（首页及各内页业务模块）
   ============================================================ */

/* ========== 首页 index.html ========== */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---- 首屏 hero ---- */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0 56px;
}

.hero-content {
  max-width: 560px;
}

.hero-eyebrow {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

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

.hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(38, 38, 38, 0.08);
}

.hero-figure img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}

/* ---- 首页通用区块 ---- */
.home-section {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

.section-more {
  font-size: 14px;
  color: var(--color-accent);
  font-weight: 500;
  white-space: nowrap;
}

.section-more:hover {
  text-decoration: underline;
}

/* ---- 最近更新 ---- */
.update-list {
  display: flex;
  flex-direction: column;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.update-date {
  flex-shrink: 0;
  width: 80px;
  font-size: 14px;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
}

.update-info {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  flex: 1;
}

.update-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

.update-name:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.update-tag {
  font-size: 13px;
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.08);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.update-status {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---- 编辑推荐 ---- */
.picks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.pick-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(38, 38, 38, 0.08);
}

.pick-cover {
  overflow: hidden;
}

.pick-cover img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.pick-body {
  padding: 20px;
}

.pick-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.5;
}

.pick-genre {
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 10px;
  display: inline-block;
}

.pick-comment {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---- 题材分类入口 ---- */
.genres-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.genre-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
}

.genre-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(38, 38, 38, 0.06);
  border-color: var(--color-accent);
  text-decoration: none;
}

.genre-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

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

/* ---- 站点定位说明条 ---- */
.site-note {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.note-box {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.note-box p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  flex: 1;
  min-width: 260px;
}

.note-box p a {
  color: var(--color-accent);
  font-weight: 500;
}

.note-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-accent);
  white-space: nowrap;
  padding: 8px 0;
}

.note-link:hover {
  text-decoration: underline;
}

/* ========== 作品目录 ttmh/works.html ========== */

/* 筛选标签 */
.filter-tags {
  margin-bottom: 40px;
}

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

/* 字母索引 */
.alphabet-index {
  margin-bottom: 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.alpha-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.alpha-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 6px;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
  text-decoration: none;
}

.alpha-item:hover {
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.08);
  text-decoration: none;
}

/* 作品分组列表 */
.works-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

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

.group-letter {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 20px;
  line-height: 1.4;
}

.work-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

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

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

.work-cover img {
  width: 96px;
  height: 128px;
  object-fit: cover;
  display: block;
}

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

.work-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.5;
}

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

.work-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 相关作品推荐 */
.works-related {
  margin-top: 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

/* ========== 题材分类 ttmh/genres.html ========== */

/* 题材卡片 */
.genre-cards {
  margin-bottom: 48px;
}

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

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

.genre-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(38, 38, 38, 0.06);
}

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

.genre-card-body {
  padding: 20px;
}

.genre-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.5;
}

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

.genre-card-body a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

/* 代表作品 */
.representative-works {
  margin-bottom: 48px;
}

.genre-block {
  margin-bottom: 32px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.genre-block h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

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

.work-links li a {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  transition: color var(--transition-base);
}

.work-links li a:hover {
  color: var(--color-accent);
}

/* 题材浏览提示 */
.genre-note {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

.genre-note p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.genre-note a {
  color: var(--color-accent);
}

/* ========== 编辑专题 ttmh/feature.html ========== */

/* 专题标签 */
.topic-tags-section {
  margin-bottom: 40px;
}

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

/* 文章列表 */
.article-list-section {
  margin-bottom: 48px;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.article-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(38, 38, 38, 0.06);
}

.article-media {
  overflow: hidden;
}

.article-media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
}

.article-body {
  padding: 24px 24px 24px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.article-tag {
  font-size: 13px;
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.08);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  display: inline-block;
}

.article-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
}

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

.article-meta {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.article-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

/* 相关推荐 */
.related-links-section {
  margin-bottom: 40px;
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-links a {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.related-links a:hover {
  color: var(--color-accent);
}

/* ========== 更新记录 ttmh/updates.html ========== */

/* 更新摘要 */
.update-summary {
  margin-bottom: 40px;
}

.summary-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.summary-highlight {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
}

.summary-highlight strong {
  color: var(--color-accent);
  font-weight: 700;
  margin: 0 4px;
}

.summary-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
  min-width: 200px;
}

/* 时间线 */
.timeline {
  margin-bottom: 40px;
}

.timeline-group {
  margin-bottom: 32px;
}

.timeline-date {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.5;
}

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

.timeline .update-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.update-thumb {
  width: 56px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.update-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.update-type {
  font-size: 13px;
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.08);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.update-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

.update-name:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.update-tags {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

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

/* 跳转链接 */
.jump-links {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

.jump-links p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.jump-links a {
  color: var(--color-accent);
  font-weight: 500;
}

/* ========== 阅读指南 ttmh/guide.html ========== */

/* 侧栏布局 */
.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}

/* 主题目录 */
.guide-menu {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 88px;
}

.guide-menu-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

.guide-menu-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.guide-menu-list a {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  line-height: 1.6;
  transition: color var(--transition-base), background-color var(--transition-base);
}

.guide-menu-list a:hover {
  color: var(--color-accent);
  background-color: rgba(177, 68, 44, 0.06);
  text-decoration: none;
}

.guide-menu-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.guide-menu-note a {
  color: var(--color-accent);
}

/* 指南内容 */
.guide-content {
  min-width: 0;
}

.guide-section {
  margin-bottom: 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.guide-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

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

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

.guide-section p a {
  color: var(--color-accent);
}

/* 指南底部 CTA */
.guide-cta {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
}

.guide-cta p {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.8;
}

.guide-cta-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-accent);
  color: #ffffff;
  border: 1px solid var(--color-accent);
  transition: background-color var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
}

.cta-btn:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #ffffff;
  text-decoration: none;
}

.cta-btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
}

.cta-btn-secondary:hover {
  background-color: rgba(177, 68, 44, 0.08);
  color: var(--color-accent-hover);
}

/* 指南配图 */
.guide-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.guide-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  line-height: 1.6;
}

/* ========== 关于本站 ttmh/about.html ========== */

.about-sections {
  margin-bottom: 40px;
}

.about-sections h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

.about-content-block {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

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

.about-content-block p:last-child {
  margin-bottom: 0;
}

.principle-list,
.boundary-list {
  list-style: decimal;
  padding-left: 20px;
  margin-top: 8px;
}

.principle-list li,
.boundary-list li {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}

.about-figure {
  margin: 32px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.about-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  line-height: 1.6;
}

/* 相关入口 */
.internal-links {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

.internal-links h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

.link-list li {
  margin-bottom: 8px;
}

.link-list a {
  font-size: 15px;
  color: var(--color-accent);
  line-height: 1.7;
}

/* ========== 帮助反馈 ttmh/help.html ========== */

/* FAQ 折叠 */
.faq-section {
  margin-bottom: 48px;
}

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

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

.faq-item summary {
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition-base);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-item[open] summary {
  color: var(--color-accent);
}

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

.faq-item summary:hover {
  color: var(--color-accent);
}

.faq-item p {
  padding: 0 24px 16px;
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.faq-item p a {
  color: var(--color-accent);
}

/* 反馈方式 */
.feedback-note {
  margin-bottom: 48px;
}

.feedback-content {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

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

.feedback-path-list {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feedback-path-list li {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.feedback-path-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.feedback-path-list a {
  color: var(--color-accent);
}

/* 处理流程 */
.resolution-steps {
  margin-bottom: 48px;
}

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

.step-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--color-accent);
  border-radius: 50%;
  margin-bottom: 16px;
}

.step-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.5;
}

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

/* 反馈配图 */
.feedback-figure {
  margin-top: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feedback-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.feedback-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  line-height: 1.6;
}

/* 相关链接 */
.related-links {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

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

.related-link-list li {
  margin-bottom: 8px;
}

.related-link-list a {
  font-size: 15px;
  color: var(--color-accent);
  line-height: 1.7;
}

/* ========== 404 页面 ========== */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 64px var(--container-padding);
}

.error-content {
  text-align: center;
  max-width: 600px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 28px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.5;
}

.error-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

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

.error-help {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.error-help a {
  color: var(--color-accent);
}

/* ============================================================
   Responsive — 响应式断点（≤768px 移动端）
   ============================================================ */
@media (max-width: 768px) {
  /* ---- 布局骨架 ---- */
  .header-inner {
    min-height: 56px;
    padding: 0 16px;
  }

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

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
  }

  /* 导航列表：默认收起 */
  .site-nav {
    order: 3;
    position: relative;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(38, 38, 38, 0.1);
    padding: 8px;
    min-width: 200px;
    z-index: 200;
    gap: 2px;
  }

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

  .nav-list a {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--radius-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
  }

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

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

  .footer-bottom {
    padding: 16px;
  }

  /* ---- 内页 ---- */
  .inner-main {
    padding: 0 16px 48px;
  }

  .breadcrumb {
    padding: 16px 0 8px;
    font-size: 13px;
  }

  .page-header {
    padding: 16px 0 24px;
    margin-bottom: 32px;
  }

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

  .page-description {
    font-size: 15px;
  }

  /* ---- 首页 ---- */
  .home-main {
    padding: 0 16px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0 32px;
  }

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

  .hero-lead {
    font-size: 16px;
  }

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

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

  .section-head h2 {
    font-size: 20px;
  }

  .section-head {
    margin-bottom: 20px;
  }

  /* 最近更新 */
  .update-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 0;
  }

  .update-date {
    width: auto;
  }

  /* 编辑推荐 */
  .picks-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pick-cover img {
    height: 200px;
  }

  /* 题材入口 */
  .genres-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 站点说明 */
  .note-box {
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* ---- 作品目录 ---- */
  .filter-tags {
    margin-bottom: 24px;
  }

  .tag-list {
    gap: 8px;
  }

  .tag-item {
    padding: 6px 12px;
    font-size: 13px;
  }

  .alphabet-index {
    padding: 16px;
    margin-bottom: 24px;
  }

  .alpha-item {
    min-width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .work-group {
    padding: 16px;
  }

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

  .work-cover {
    width: 80px;
  }

  .work-cover img {
    width: 80px;
    height: 106px;
  }

  /* ---- 题材分类 ---- */
  .genre-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .genre-block {
    padding: 16px;
  }

  .genre-note {
    padding: 16px 20px;
  }

  /* ---- 编辑专题 ---- */
  .article-card {
    grid-template-columns: 1fr;
  }

  .article-media img {
    height: 180px;
    min-height: 0;
  }

  .article-body {
    padding: 16px;
  }

  .article-title {
    font-size: 18px;
  }

  /* ---- 更新记录 ---- */
  .summary-card {
    padding: 16px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .update-thumb {
    width: 48px;
    height: 64px;
  }

  .jump-links {
    padding: 16px 20px;
  }

  /* ---- 阅读指南 ---- */
  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* 移动端：正文在前，侧栏在后 */
  .sidebar-left .guide-content {
    order: 1;
  }

  .sidebar-left .guide-menu {
    order: 2;
    position: static;
  }

  .guide-section {
    padding: 20px;
  }

  .guide-cta {
    padding: 24px 16px;
  }

  .guide-cta-links {
    flex-direction: column;
    align-items: center;
  }

  .cta-btn {
    width: 100%;
    max-width: 280px;
  }

  .guide-figure img {
    height: 200px;
  }

  /* ---- 关于本站 ---- */
  .about-content-block {
    padding: 20px;
  }

  .about-figure img {
    height: 220px;
  }

  .internal-links {
    padding: 20px;
  }

  /* ---- 帮助反馈 ---- */
  .faq-item summary {
    padding: 14px 16px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 16px 16px;
  }

  .feedback-content {
    padding: 20px;
  }

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

  .step-item {
    padding: 20px;
  }

  .feedback-figure img {
    height: 160px;
  }

  .related-links {
    padding: 20px;
  }

  /* ---- 404 ---- */
  .error-code {
    font-size: 56px;
  }

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

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

  .error-actions .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* 极小屏（≤480px）额外适配 */
@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .work-tags {
    gap: 6px;
  }

  .tag {
    padding: 2px 8px;
    font-size: 12px;
  }

  .alpha-item {
    min-width: 26px;
    height: 26px;
    font-size: 12px;
  }
}