/* ============================================================
   天堂漫画 · 全站样式表
   艺术展览风 · 中性米白 · 衬线标题 · 极简侧栏
   ============================================================ */

/* ============================================================
   01 · Base — 变量、重置、字体、基础元素
   ============================================================ */

:root {
  --color-bg: #f7f3ec;
  --color-surface: #ffffff;
  --color-surface-alt: #efe9df;
  --color-text: #222222;
  --color-text-soft: #5c564c;
  --color-accent: #b08968;
  --color-accent-soft: #e7dfd5;
  --color-border: #ddd5c8;
  --color-white: #ffffff;

  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --shadow-card: 0 2px 8px rgba(34, 34, 34, 0.06);
  --shadow-float: 0 6px 20px rgba(34, 34, 34, 0.1);

  --header-h: 64px;
  --sidebar-w: 240px;
  --content-max: 1100px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* 暗色主题变量 */
[data-theme="dark"] {
  --color-bg: #1c1a17;
  --color-surface: #26231f;
  --color-surface-alt: #2e2a25;
  --color-text: #e8e2d8;
  --color-text-soft: #b3aa9d;
  --color-accent: #c49a78;
  --color-accent-soft: #3a332b;
  --color-border: #403a32;
  --color-white: #26231f;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  color: var(--color-text);
}

.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;
}

/* ============================================================
   02 · Layout — 页头、侧栏、主内容、页脚整体骨架
   ============================================================ */

/* ---- 页头 ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  height: var(--header-h);
  padding: 0 24px;
  margin: 0 auto;
}

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

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

/* ---- 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 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text-soft);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-list li a:hover {
  color: var(--color-text);
  background-color: var(--color-surface-alt);
}

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

/* 汉堡按钮（默认隐藏） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

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

/* ---- 主题切换 ---- */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-surface-alt);
}

.theme-toggle-icon {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-text);
  position: relative;
}

.theme-toggle-icon::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-bg);
}

/* ---- 页面布局容器 ---- */

/* 首页：body 为 flex 布局容器，aside 与 main 为直接子元素 */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-body .site-main {
  flex: 1;
}

/* 首页布局：侧栏在左，主内容在右 */
body.site-home .page-layout.sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

body.site-home .page-layout.sidebar-left .site-sidebar {
  border-right: 1px solid var(--color-border);
  padding: 32px 20px;
  background-color: var(--color-surface-alt);
}

body.site-home .page-layout.sidebar-left .site-main {
  min-width: 0;
}

/* 内页布局：body 为 flex 布局容器，aside 与 main 为直接子元素 */
body.site-inner {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.site-inner .layout-shell.sidebar-left,
body.site-inner .page-layout.sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

/* ---- 侧栏 ---- */

.site-sidebar,
.sidebar {
  padding: 32px 20px;
  border-right: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  transition: background-color var(--transition-base);
}

.sidebar-title,
.sidebar-nav-title {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list,
.sidebar-tree,
.sidebar-nav-list {
  margin-bottom: 24px;
}

.sidebar-list li a,
.sidebar-tree li a,
.sidebar-nav-list li a {
  display: block;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-soft);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-list li a:hover,
.sidebar-tree li a:hover,
.sidebar-nav-list li a:hover {
  color: var(--color-text);
  background-color: var(--color-accent-soft);
}

.sidebar-list li a.is-current,
.sidebar-tree li a.is-current,
.sidebar-nav-list li a.is-current {
  color: var(--color-accent);
  font-weight: 600;
  background-color: var(--color-accent-soft);
}

.sidebar-list li a.is-active,
.sidebar-tree li a.is-active {
  color: var(--color-accent);
  font-weight: 600;
}

/* 侧栏树形子级 */
.tree-sub,
.sidebar-sub,
.sidebar-subnav {
  padding-left: 16px;
  margin-top: 4px;
  margin-bottom: 4px;
}

.tree-sub li a,
.sidebar-sub li a,
.sidebar-subnav li a {
  font-size: 13px;
  padding: 5px 10px;
}

/* 侧栏树节点 */
.tree-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.tree-node::after {
  content: "▸";
  font-size: 12px;
  color: var(--color-text-soft);
  margin-left: 8px;
  transition: transform var(--transition-fast);
}

.tree-node[aria-expanded="true"]::after {
  transform: rotate(90deg);
}

/* ---- 主内容区 ---- */

.site-main {
  min-width: 0;
  padding-bottom: 48px;
}

/* 内页主内容 */
.inner-main {
  max-width: var(--content-max);
  padding: 0 40px;
  margin: 0 auto;
  width: 100%;
  min-width: 0;
}

/* ---- 页脚 ---- */

.site-footer {
  background-color: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  transition: background-color var(--transition-base);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 24px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-soft);
}

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

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-soft);
  margin-bottom: 10px;
}

.footer-link-group ul li a {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--color-text-soft);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 24px;
  text-align: center;
}

.footer-copyright {
  font-size: 13px;
  color: var(--color-text-soft);
  max-width: 900px;
  margin: 0 auto;
}

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

/* ---- 面包屑 ---- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 24px 0 8px;
  font-size: 14px;
  color: var(--color-text-soft);
}

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

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

.breadcrumb-sep {
  color: var(--color-text-soft);
  opacity: 0.6;
}

.breadcrumb-current {
  color: var(--color-text-soft);
}

/* ---- 页面标题区 ---- */

.page-header {
  padding: 16px 0 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 36px;
}

.page-title {
  font-size: 32px;
  margin-bottom: 10px;
}

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

/* ---- 区块标题 ---- */

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2,
.section-title {
  font-size: 24px;
  margin-bottom: 8px;
}

.section-heading p,
.section-desc,
.section-intro {
  font-size: 15px;
  color: var(--color-text-soft);
  max-width: 680px;
}

/* ---- 按钮 ---- */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: var(--color-text);
  color: var(--color-white);
  box-shadow: var(--shadow-float);
}

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

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---- 封面卡片 ---- */

.cover-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cover-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.cover-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.cover-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background-color: var(--color-surface-alt);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

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

.card-link {
  font-size: 14px;
  font-weight: 600;
}

/* ---- 标签云 ---- */

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 18px;
  border-radius: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-soft);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.tag-item:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* ---- 时间线 ---- */

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

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

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

.timeline-item:hover {
  background-color: var(--color-surface-alt);
}

.timeline-item img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background-color: var(--color-surface-alt);
}

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

.timeline-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-chapter,
.timeline-meta {
  font-size: 14px;
  color: var(--color-text-soft);
  margin-bottom: 4px;
}

.timeline-status {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 2px 10px;
  border-radius: 20px;
}

.timeline-date {
  font-size: 13px;
  color: var(--color-text-soft);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---- 榜单 ---- */

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

.ranking-column {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.ranking-subtitle {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.ranking-list {
  display: flex;
  flex-direction: column;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

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

.ranking-item:hover {
  background-color: var(--color-surface-alt);
}

.ranking-num,
.ranking-number {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.ranking-item img {
  width: 48px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background-color: var(--color-surface-alt);
}

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

.ranking-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}

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

.ranking-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 2px 8px;
  border-radius: 20px;
  margin-top: 4px;
}

/* ---- 入口卡片 ---- */

.entry-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.entry-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.entry-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.entry-title {
  font-size: 20px;
  margin-bottom: 10px;
}

.entry-desc {
  font-size: 15px;
  color: var(--color-text-soft);
  margin-bottom: 16px;
}

.entry-example-list {
  margin-bottom: 16px;
  padding-left: 18px;
}

.entry-example-list li {
  position: relative;
  font-size: 14px;
  color: var(--color-text-soft);
  padding: 3px 0;
}

.entry-example-list li::before {
  content: "·";
  position: absolute;
  left: -14px;
  color: var(--color-accent);
  font-weight: 700;
}

.entry-link {
  font-size: 14px;
  font-weight: 600;
}

/* ---- 作品卡片（画廊 / 术语） ---- */

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.work-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.work-cover {
  overflow: hidden;
}

.work-cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: var(--color-surface-alt);
}

.work-card .work-title {
  font-size: 16px;
  font-weight: 600;
  padding: 12px 16px 4px;
}

.work-tags {
  font-size: 13px;
  color: var(--color-accent);
  padding: 0 16px;
  margin-bottom: 6px;
}

.work-desc {
  font-size: 14px;
  color: var(--color-text-soft);
  padding: 0 16px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.work-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  padding: 0 16px 16px;
}

/* ---- FAQ ---- */

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

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

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  font-size: 15px;
  color: var(--color-text-soft);
  padding: 4px 0 12px;
  line-height: 1.7;
}

/* ---- 表格 ---- */

.table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
}

.data-table,
.status-guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.data-table th,
.data-table td,
.status-guide-table th,
.status-guide-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th,
.status-guide-table th {
  font-family: var(--font-serif);
  font-weight: 600;
  background-color: var(--color-surface-alt);
  color: var(--color-text);
}

.data-table td,
.status-guide-table td {
  color: var(--color-text-soft);
}

.table-note,
.table-footnote {
  font-size: 13px;
  color: var(--color-text-soft);
  margin-top: 12px;
}

.table-footnote a {
  margin-right: 16px;
}

/* ---- 状态徽章 ---- */

.status-badge {
  display: inline-block;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 20px;
  font-weight: 500;
}

.status-updating {
  color: #2d7a4f;
  background-color: rgba(45, 122, 79, 0.12);
}

.status-finished {
  color: var(--color-text-soft);
  background-color: var(--color-surface-alt);
}

.status-hiatus {
  color: #a05a2c;
  background-color: rgba(160, 90, 44, 0.12);
}

/* ============================================================
   04 · Pages — 各页面专属模块
   ============================================================ */

/* ============ 首页 ============ */

/* Hero 策展区 */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 48px 40px 56px;
}

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

.hero-kicker {
  display: inline-block;
  font-size: 14px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 34px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-soft);
  margin-bottom: 24px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags li a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--color-text-soft);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.hero-tags li a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

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

.hero-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  background-color: var(--color-surface-alt);
}

/* 题材导览 */
.gallery-wall-section {
  padding: 48px 40px;
  border-top: 1px solid var(--color-border);
}

/* 最近上新 */
.updates-section {
  padding: 48px 40px;
  border-top: 1px solid var(--color-border);
}

.section-heading a {
  font-size: 14px;
  font-weight: 600;
}

/* 人气藏品 */
.ranking-section {
  padding: 48px 40px;
  border-top: 1px solid var(--color-border);
}

/* 术语与指南入口 */
.entry-block-section {
  padding: 48px 40px;
  border-top: 1px solid var(--color-border);
}

/* ============ 画廊页 ============ */

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

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

.tree-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
  background-color: var(--color-surface);
}

.tree-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.tree-label:hover {
  background-color: var(--color-surface-alt);
}

.tree-count {
  font-size: 13px;
  color: var(--color-text-soft);
  background-color: var(--color-surface-alt);
  padding: 2px 10px;
  border-radius: 20px;
}

.tree-children {
  padding: 0 16px 12px;
}

.tree-children li {
  display: inline-block;
  margin: 4px 8px 4px 0;
}

.tree-children li a {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  border-radius: 20px;
  color: var(--color-text-soft);
  background-color: var(--color-surface-alt);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tree-children li a:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
}

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

.related-links {
  margin-bottom: 24px;
}

.related-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.related-list li a {
  font-size: 15px;
}

/* ============ 更新页 ============ */

.update-timeline {
  margin-bottom: 48px;
}

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

.timeline-content {
  flex: 1;
  min-width: 0;
}

.timeline-content h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

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

/* ============ 榜单页 ============ */

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

.ranking-title {
  font-size: 20px;
  margin-bottom: 6px;
}

.ranking-intro {
  font-size: 14px;
  color: var(--color-text-soft);
  margin-bottom: 16px;
}

.ranking-list .ranking-item {
  padding: 12px 0;
}

.ranking-comment {
  font-size: 13px;
  color: var(--color-text-soft);
  line-height: 1.5;
  margin-top: 2px;
}

.ranking-cover {
  width: 56px;
  height: 74px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background-color: var(--color-surface-alt);
}

.ranking-note {
  margin-top: 48px;
  padding: 24px;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.ranking-note p {
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.7;
  margin-bottom: 8px;
}

/* ============ 指南页 ============ */

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

.guide-figure {
  margin: 20px 0 28px;
}

.guide-figure img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
}

.guide-figure figcaption {
  font-size: 13px;
  color: var(--color-text-soft);
  text-align: center;
  padding: 8px 0;
}

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

.step-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.step-content {
  flex: 1;
  min-width: 0;
}

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

.step-content p {
  font-size: 15px;
  color: var(--color-text-soft);
  margin-bottom: 8px;
}

.step-link {
  font-size: 14px;
  font-weight: 600;
}

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

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

.tip-item {
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.tip-title {
  font-size: 16px;
  margin-bottom: 6px;
}

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

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

/* ============ 术语页 ============ */

.term-cards {
  margin-bottom: 48px;
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.term-item {
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.term-name {
  font-size: 17px;
  margin-bottom: 6px;
  color: var(--color-accent);
}

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

.term-example {
  font-size: 13px;
  color: var(--color-text-soft);
}

.term-example strong {
  color: var(--color-accent);
  font-weight: 600;
}

.term-decor {
  margin-top: 28px;
}

.term-decor img {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
}

.term-decor figcaption {
  font-size: 13px;
  color: var(--color-text-soft);
  text-align: center;
  padding: 8px 0;
}

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

.work-recommend-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

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

.work-recommend-list .work-card img {
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background-color: var(--color-surface-alt);
}

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

.work-info .work-title {
  padding: 0;
  margin-bottom: 6px;
}

.work-info .work-desc {
  padding: 0;
  margin-bottom: 6px;
}

.work-info .work-tags {
  padding: 0;
}

.related-link {
  font-size: 14px;
}

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

/* ============ 关于页 ============ */

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

.copyright-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 32px;
  align-items: start;
}

.section-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
}

.section-figure figcaption {
  font-size: 13px;
  color: var(--color-text-soft);
  text-align: center;
  padding: 8px 0;
}

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

.feedback-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.feedback-step {
  padding: 16px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.feedback-step .step-title {
  font-size: 16px;
  margin-bottom: 4px;
}

.feedback-step p {
  font-size: 14px;
  color: var(--color-text-soft);
}

.feedback-note {
  padding: 20px;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.note-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.note-list li {
  font-size: 14px;
  color: var(--color-text-soft);
  padding: 6px 0;
  line-height: 1.6;
}

.note-list strong {
  color: var(--color-text);
  font-weight: 600;
}

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

.related-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
}

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

.related-links-item {
  font-size: 14px;
}

/* ============ 隐私页 ============ */

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

.usage-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.privacy-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
}

.storage-note-content {
  padding: 24px;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.storage-text {
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.8;
}

/* ============ 条款页 ============ */

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

.terms-intro {
  margin-bottom: 24px;
}

.terms-intro h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.terms-intro p {
  font-size: 15px;
  color: var(--color-text-soft);
}

.terms-list-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.terms-item {
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.terms-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

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

.terms-figure img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
}

.terms-figure figcaption {
  font-size: 13px;
  color: var(--color-text-soft);
  text-align: center;
  padding: 8px 0;
}

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

.disclaimer-section h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.disclaimer-content p {
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.8;
  margin-bottom: 10px;
}

.related-links-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.related-links-list li a {
  font-size: 15px;
}

/* ============ 404 页 ============ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-h) - 200px);
  padding: 48px 24px;
}

.error-block {
  text-align: center;
  max-width: 520px;
}

.error-title {
  font-size: 32px;
  margin-bottom: 12px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-text-soft);
  margin-bottom: 28px;
}

.error-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.error-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  background-color: var(--color-accent);
  color: var(--color-white);
  transition: background-color var(--transition-fast);
}

.error-link:hover {
  background-color: var(--color-text);
  color: var(--color-white);
}

.error-link:last-child {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.error-link:last-child:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   05 · Responsive — 响应式（断点 768px）
   ============================================================ */

@media (max-width: 768px) {
  /* ---- 页头 ---- */

  .header-inner {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 16px 16px;
    box-shadow: var(--shadow-float);
  }

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

  .nav-list li a {
    padding: 12px 16px;
    font-size: 16px;
  }

  /* ---- 布局容器 ---- */

  body.site-home .page-layout.sidebar-left,
  body.site-inner .layout-shell.sidebar-left,
  body.site-inner .page-layout.sidebar-left {
    display: flex;
    flex-direction: column;
  }

  /* 侧栏在移动端移到末尾 */
  .site-sidebar,
  .sidebar,
  .sidebar-tree {
    order: 10;
    border-right: none;
    border-top: 1px solid var(--color-border);
    padding: 24px 16px;
  }

  /* 主内容区在移动端保持第一位 */
  .site-main {
    order: 1;
  }

  /* ---- 主内容 ---- */

  .inner-main {
    padding: 0 16px;
  }

  .breadcrumb {
    padding-top: 16px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .page-header {
    padding: 12px 0 20px;
    margin-bottom: 24px;
  }

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

  /* ---- 首页模块 ---- */

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 40px;
  }

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

  .hero-figure {
    order: -1;
  }

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

  .gallery-wall-section,
  .updates-section,
  .ranking-section,
  .entry-block-section {
    padding: 32px 16px;
  }

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

  .cover-card {
    padding: 10px;
  }

  .cover-card img {
    aspect-ratio: 3 / 4;
  }

  .card-desc {
    display: none;
  }

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

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

  .entry-card {
    padding: 20px;
  }

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

  .timeline-item img {
    width: 56px;
    height: 76px;
  }

  .timeline-date {
    display: none;
  }

  /* ---- 画廊页 ---- */

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

  /* ---- 术语页 ---- */

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

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

  /* ---- 指南页 ---- */

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

  .step-item {
    flex-direction: column;
    gap: 10px;
    padding: 16px;
  }

  /* ---- 关于页 ---- */

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

  /* ---- 隐私页 ---- */

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

  /* ---- 页脚 ---- */

  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px;
  }

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

  .footer-bottom {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .brand-text {
    font-size: 17px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .cover-card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .card-title {
    font-size: 14px;
  }

  .card-tag {
    font-size: 11px;
    padding: 2px 8px;
  }

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

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

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}