/* ==========================================================================
   base
   ========================================================================== */

:root {
  --color-primary: #1a73e8;
  --color-accent: #ff6d00;
  --color-bg: #f5f6f8;
  --color-text: #222;
  --color-border: #d9dde2;
  --color-white: #fff;
  --color-gray: #666;
  --color-light: #eef1f4;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

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

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin-bottom: 12px;
}

ul {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

th {
  background-color: var(--color-light);
  font-weight: 600;
  white-space: nowrap;
}

td {
  vertical-align: middle;
}

/* ==========================================================================
   layout
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

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

.brand-slogan {
  font-size: 13px;
  color: var(--color-gray);
  white-space: nowrap;
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

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

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-light);
}

.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(26, 115, 232, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.site-main {
  flex: 1;
  width: 100%;
}

.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px 40px;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 20px 40px;
}

.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 20px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}

.footer-brand p {
  margin-bottom: 8px;
}

.footer-name {
  font-size: 18px;
  font-weight: 700;
}

.footer-desc {
  font-size: 14px;
  color: var(--color-gray);
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.footer-links a {
  font-size: 14px;
  color: var(--color-gray);
}

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

.note-list li {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 6px;
  padding-left: 14px;
  position: relative;
}

.note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-border);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 14px 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-gray);
  margin: 0;
}

/* ==========================================================================
   components
   ========================================================================== */

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

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

.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: 20px;
}

.page-title {
  font-size: 28px;
  color: var(--color-text);
}

.page-desc {
  font-size: 15px;
  color: var(--color-gray);
  margin-top: 8px;
}

.page-intro {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.7;
}

/* 状态标签 */
.status-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.5;
}

.status-serial {
  background-color: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
}

.status-end {
  background-color: rgba(255, 109, 0, 0.1);
  color: var(--color-accent);
}

.status-pause {
  background-color: rgba(102, 102, 102, 0.1);
  color: var(--color-gray);
}

.status-resume {
  background-color: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
}

/* 区块标题 */
.section-header {
  margin-bottom: 20px;
}

.section-header h2 {
  margin-bottom: 4px;
}

.section-header p {
  font-size: 14px;
  color: var(--color-gray);
  margin: 0;
}

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

.section-desc {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 20px;
}

/* 表格容器 */
.table-wrap,
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
}

.table-wrap table,
.table-scroll table {
  min-width: 640px;
}

/* 更多链接 */
.section-more-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
}

/* 卡片通用 */
.comic-card,
.recommend-card,
.related-card,
.link-card,
.aside-link-card,
.map-entry {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), transform var(--transition);
}

.comic-card:hover,
.recommend-card:hover,
.related-card:hover,
.link-card:hover,
.aside-link-card:hover,
.map-entry:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

/* 图片容器 */
figure {
  margin: 0;
}

.comic-cover,
.cover-card figure,
.card-media figure,
.timeline-thumb,
.guide-hero-figure,
.map-figure,
.hero-figure {
  overflow: hidden;
  background-color: var(--color-light);
}

.comic-cover img,
.cover-card img,
.card-media img,
.timeline-thumb,
.guide-hero-img,
.map-figure img,
.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   pages
   ========================================================================== */

/* ---------- 首页 index.html ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 40px;
}

.hero-content h1 {
  font-size: 32px;
  margin-bottom: 12px;
}

.hero-lead {
  font-size: 16px;
  color: var(--color-gray);
  margin-bottom: 24px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.tag-link {
  display: inline-block;
  padding: 8px 18px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--color-text);
}

.tag-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.update-reminder {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background-color: rgba(255, 109, 0, 0.08);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 14px;
  flex-wrap: wrap;
}

.reminder-label {
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.reminder-text {
  color: var(--color-text);
  flex: 1;
  min-width: 120px;
}

.reminder-link {
  font-size: 13px;
  white-space: nowrap;
}

.hero-figure {
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
}

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

/* 今日更新表 */
.today-update-table {
  margin-bottom: 48px;
}

.today-update-table .table-wrap {
  background-color: var(--color-white);
  padding: 0;
}

.today-update-table tbody tr {
  transition: background-color var(--transition);
}

.today-update-table tbody tr:hover {
  background-color: var(--color-light);
}

/* 热门作品看点 */
.hot-comics-grid {
  margin-bottom: 48px;
}

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

.comic-card {
  display: flex;
  gap: 16px;
  padding: 16px;
}

.comic-cover {
  width: 110px;
  height: 150px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.comic-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.comic-info h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.comic-genre {
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.comic-tip {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
  margin: 0;
}

/* 阅读路径 */
.reading-path {
  margin-bottom: 48px;
}

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

.step-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.step-item p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 12px;
}

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

/* 内容地图 */
.content-map {
  margin-bottom: 20px;
}

.map-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.map-entry {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 20px 16px;
}

.map-icon {
  font-size: 22px;
  margin-bottom: 10px;
}

.map-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.map-desc {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.5;
}

/* ---------- 题材分类 category.html ---------- */

.page-title-section {
  margin-bottom: 24px;
}

.layout-shell.sidebar-left {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}

.topic-index {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.topic-index h2 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.topic-anchor-list li {
  margin-bottom: 4px;
}

.topic-anchor-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
}

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

.topic-count {
  font-size: 12px;
  color: var(--color-gray);
  background-color: var(--color-light);
  padding: 2px 8px;
  border-radius: 10px;
}

.topic-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.topic-group {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.topic-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

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

.topic-tag {
  font-size: 12px;
  color: var(--color-primary);
  background-color: rgba(26, 115, 232, 0.08);
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

.topic-desc {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 16px;
}

.topic-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.topic-table {
  min-width: 480px;
}

.topic-table td {
  font-size: 13px;
}

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

.cover-card {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-light);
}

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

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

.cover-card figcaption {
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.4;
  background-color: var(--color-white);
}

/* 相关链接 */
.related-links {
  margin-top: 40px;
}

.related-links h2 {
  margin-bottom: 16px;
}

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

.related-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.related-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.related-desc {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.5;
}

/* ---------- 更新动态 updates.html ---------- */

.page-title-block {
  margin-bottom: 24px;
}

.page-title-block p {
  font-size: 15px;
  color: var(--color-gray);
}

.timeline-section {
  margin-bottom: 40px;
}

.timeline {
  position: relative;
  padding-left: 0;
  margin-top: 24px;
}

.timeline-item {
  position: relative;
  padding: 0 0 24px 32px;
  border-left: 2px solid var(--color-border);
  margin-left: 8px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-date {
  display: block;
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

.timeline-content {
  display: flex;
  gap: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.timeline-thumb {
  width: 72px;
  height: 96px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

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

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

.timeline-chapter {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

/* 状态图例 */
.status-legend-section {
  margin-bottom: 40px;
}

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

.legend-table th,
.legend-table td {
  padding: 12px 16px;
}

.legend-table td:first-child {
  width: 160px;
}

/* 相关入口 */
.updates-links {
  margin-bottom: 20px;
}

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

.link-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.link-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.link-card-desc {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.5;
}

/* ---------- 热读榜 ranking.html ---------- */

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

.page-heading p {
  font-size: 15px;
  color: var(--color-gray);
}

.ranking-table-wrap {
  margin-bottom: 40px;
}

.table-desc {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 16px;
}

.ranking-table {
  min-width: 680px;
}

.ranking-table td {
  font-size: 14px;
}

.ranking-table tbody tr {
  transition: background-color var(--transition);
}

.ranking-table tbody tr:hover {
  background-color: var(--color-light);
}

.rank-number {
  font-weight: 700;
  color: var(--color-gray);
  width: 60px;
}

.rank-top {
  color: var(--color-accent);
  font-size: 16px;
}

.rank-title {
  font-weight: 600;
}

/* 推荐卡片 */
.recommendation-cards {
  margin-bottom: 40px;
}

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

.recommend-card {
  overflow: hidden;
}

.card-media figure {
  aspect-ratio: 16 / 9;
}

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

.card-body {
  padding: 16px 20px 20px;
}

.card-body h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.card-tag {
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.card-body p:last-child {
  font-size: 14px;
  color: var(--color-gray);
  margin: 0;
}

/* 榜单说明 */
.ranking-note {
  margin-bottom: 20px;
}

.note-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.note-content p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

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

/* ---------- 阅读指南 guide.html ---------- */

.layout-shell {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  align-items: start;
}

.guide-content {
  min-width: 0;
}

.guide-hero-figure {
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 7;
  margin-bottom: 24px;
}

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

.guide-hero-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-gray);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.guide-flow-section,
.guide-terms-section,
.guide-notes-section {
  margin-bottom: 40px;
}

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

.flow-step {
  display: flex;
  gap: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}

.step-body {
  flex: 1;
}

.step-body h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: var(--color-gray);
  margin: 0;
}

/* 术语列表 */
.term-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.term-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.term-item h3 {
  font-size: 14px;
  margin-bottom: 4px;
}

.term-item p {
  font-size: 13px;
  color: var(--color-gray);
  margin: 0;
}

.status-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.status-table {
  min-width: 480px;
  background-color: var(--color-white);
}

.status-table caption {
  text-align: left;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  background-color: var(--color-light);
  border-bottom: 1px solid var(--color-border);
}

/* 说明卡片 */
.note-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.note-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.note-card h3 {
  font-size: 15px;
  margin-bottom: 10px;
}

.note-card ul li {
  font-size: 14px;
  color: var(--color-gray);
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.note-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.feedback-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.feedback-block h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

.feedback-block p {
  font-size: 14px;
  color: var(--color-gray);
  margin: 0;
}

/* 侧栏 */
.guide-aside {
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.aside-inner {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.aside-inner h2 {
  font-size: 16px;
  margin-bottom: 8px;
}

.aside-desc {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 16px;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.aside-link-card {
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
}

.aside-link-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.aside-link-desc {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.4;
}

.aside-tip {
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.aside-tip h3 {
  font-size: 14px;
  margin-bottom: 6px;
}

.aside-tip p {
  font-size: 13px;
  color: var(--color-gray);
  margin: 0;
}

/* ---------- 站点地图 sitemap.html ---------- */

.map-hero {
  margin-bottom: 32px;
}

.map-figure {
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 6;
}

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

.map-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-gray);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.map-groups {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.map-group {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

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

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

.map-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.map-link {
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.map-desc {
  font-size: 13px;
  color: var(--color-gray);
  margin: 0;
}

/* ---------- 404 页面 ---------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.error-panel {
  max-width: 560px;
  text-align: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 40px;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

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

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

.error-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background-color var(--transition), color var(--transition);
}

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

.btn-primary:hover {
  background-color: #1558b0;
  color: var(--color-white);
}

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

.btn-secondary:hover {
  background-color: rgba(26, 115, 232, 0.08);
}

.error-help {
  font-size: 14px;
  color: var(--color-gray);
}

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

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 992px) {
  .map-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: static;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 8px 16px;
    gap: 0;
    z-index: 99;
  }

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

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

  .nav-link {
    padding: 12px 14px;
    font-size: 15px;
    border-radius: var(--radius-sm);
  }

  .nav-link.is-current {
    background-color: rgba(26, 115, 232, 0.08);
  }

  .home-main,
  .inner-main {
    padding: 16px 16px 32px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0 28px;
  }

  .hero-content h1 {
    font-size: 26px;
  }

  .hero-figure {
    aspect-ratio: 16 / 9;
  }

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

  .path-steps {
    grid-template-columns: 1fr;
  }

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

  .layout-shell.sidebar-left {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  .topic-index {
    order: -1;
    position: static;
  }

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

  .topic-anchor-list li {
    margin: 0;
  }

  .topic-anchor-list a {
    padding: 6px 12px;
    font-size: 13px;
  }

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

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

  .layout-shell {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  .guide-aside {
    position: static;
    order: 2;
    width: 100%;
  }

  .guide-content {
    order: 1;
  }

  .term-list,
  .note-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    padding-left: 24px;
  }

  .timeline-content {
    flex-direction: column;
    gap: 12px;
  }

  .timeline-thumb {
    width: 100%;
    height: 160px;
  }

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

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

  .footer-bottom {
    padding: 12px 16px;
  }

  .map-list {
    gap: 8px;
  }

  .map-item {
    flex-direction: column;
    gap: 2px;
  }

  .error-panel {
    padding: 32px 24px;
  }

  .error-code {
    font-size: 48px;
  }
}

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

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .hero-content h1 {
    font-size: 22px;
  }

  .hero-lead {
    font-size: 14px;
  }

  .hero-tags {
    gap: 8px;
  }

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

  .update-reminder {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .comic-card {
    flex-direction: column;
  }

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

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

  .topic-cover-grid {
    grid-template-columns: 1fr;
  }

  .topic-head {
    flex-wrap: wrap;
  }

  .topic-group {
    padding: 16px;
  }

  .timeline-item {
    padding-left: 20px;
    margin-left: 4px;
  }

  .timeline-thumb {
    height: 140px;
  }

  .timeline-content {
    padding: 12px;
  }

  .flow-step {
    flex-direction: column;
    gap: 10px;
  }

  .step-number {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .status-table-wrap {
    border-radius: var(--radius-sm);
  }

  .status-table {
    min-width: 400px;
  }

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

  .btn-primary,
  .btn-secondary {
    text-align: center;
  }
}