/* ==========================================================================
   歪歪漫画漫画 — 全站样式表
   版本: 1.0
   说明: 本样式表依据整站真实 DOM 编写，覆盖首页、全部内页、404 与公共组件。
   ========================================================================== */

/* ==========================================================================
   Base — 基础变量、重置与全局字体/颜色
   ========================================================================== */

:root {
  --color-bg: #f5f6f7;
  --color-surface: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-muted: #888888;
  --color-link: #1a66cc;
  --color-link-hover: #134d99;
  --color-border: #e0e0e0;
  --color-accent: #ff8c42;
  --color-accent-hover: #e6752e;
  --color-header-bg: #ffffff;
  --color-footer-bg: #2c2e33;
  --color-footer-text: #c9ccd1;
  --color-footer-heading: #ffffff;
  --font-family-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --container-width: 1100px;
  --content-width: 780px;
  --radius-card: 8px;
  --radius-tag: 4px;
  --transition-base: 0.2s ease;
  --header-height: 64px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.5em;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  margin: 0 0 1em;
}

figure {
  margin: 0;
}

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

/* 辅助类 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Layout — 全站页头、导航、页脚、主容器与布局外壳
   ========================================================================== */

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

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

/* 首页主容器 */
.home-main {
  width: 100%;
}

/* 内页主容器 */
.inner-main {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* 页头 */
.site-header {
  background-color: var(--color-header-bg);
  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 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
}

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

/* 主导航 */
.site-nav {
  flex: 1;
}

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-tag);
}

.nav-list a:hover {
  color: var(--color-link);
  background-color: rgba(26, 102, 204, 0.06);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--color-link);
  font-weight: 600;
  background-color: rgba(26, 102, 204, 0.08);
}

/* 发帖按钮 */
.btn-post {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background-color: var(--color-accent);
  border-radius: var(--radius-tag);
  white-space: nowrap;
  flex-shrink: 0;
}

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

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tag);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-toggle-icon {
  position: relative;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  display: block;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  padding: 8px 0;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

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

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

/* 页头标题区 */
.page-header,
.page-head {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: var(--content-width);
  margin-bottom: 0;
}

/* 布局外壳：侧栏 + 主内容 */
.layout-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
}

.sidebar-left .content-area,
.sidebar-left .guide-content {
  grid-column: 2;
}

.sidebar-left .toc,
.sidebar-left .guide-toc {
  grid-column: 1;
  grid-row: 1;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 40px 0 0;
  margin-top: 48px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}

.footer-brand p {
  margin-bottom: 0.5em;
}

.footer-brand strong {
  font-size: 18px;
  color: var(--color-footer-heading);
  display: block;
  margin-bottom: 8px;
}

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

.footer-links h3,
.footer-archive h3 {
  font-size: 15px;
  color: var(--color-footer-heading);
  margin-bottom: 12px;
}

.footer-links ul li,
.footer-archive ul li {
  margin-bottom: 6px;
}

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

.footer-links a:hover,
.footer-archive a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* ==========================================================================
   Components — 通用组件：按钮、卡片、标签、列表、表格、折叠、图片
   ========================================================================== */

/* 按钮 */
.btn-primary,
.btn-secondary,
.btn-back {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-tag);
  text-align: center;
  min-height: 44px;
  line-height: 1.4;
}

.btn-primary {
  background-color: var(--color-link);
  color: #ffffff;
}

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

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

.btn-secondary:hover {
  background-color: rgba(26, 102, 204, 0.06);
  text-decoration: none;
}

.btn-back {
  background-color: var(--color-link);
  color: #ffffff;
}

.btn-back:hover {
  background-color: var(--color-link-hover);
  color: #ffffff;
  text-decoration: none;
}

/* 区块通用 */
.section-block {
  margin-bottom: 40px;
}

.section-block h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.section-intro {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

/* 话题列表（首页、论坛、作品、剧情共用） */
.topic-list {
  list-style: none;
}

.topic-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.topic-list li:last-child {
  border-bottom: none;
}

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

.topic-board {
  font-size: 12px;
  color: var(--color-text-muted);
  background-color: var(--color-bg);
  padding: 2px 8px;
  border-radius: var(--radius-tag);
  flex-shrink: 0;
  white-space: nowrap;
}

.topic-item a {
  font-size: 15px;
  color: var(--color-link);
  flex: 1;
}

.topic-item a:hover {
  text-decoration: underline;
}

.topic-item time {
  font-size: 13px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* 标签 */
.tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--radius-tag);
  white-space: nowrap;
}

.tag-safe {
  background-color: #e8f5e9;
  color: #2e7d32;
}

.tag-spoiler {
  background-color: #fce4ec;
  color: #c62828;
}

.tag-board {
  background-color: var(--color-bg);
  color: var(--color-text-secondary);
}

.tag-hot {
  background-color: #fff3e0;
  color: #e65100;
}

.tag-user-fav {
  background-color: #e3f2fd;
  color: #1565c0;
}

.tag-editor-pick {
  background-color: #ede7f6;
  color: #4527a0;
}

.tag-type {
  background-color: #e8eaf6;
  color: #283593;
}

.tag-mystery {
  background-color: #eceff1;
  color: #455a64;
}

.tag-scifi {
  background-color: #e0f2f1;
  color: #00695c;
}

.tag-healing {
  background-color: #f1f8e9;
  color: #33691e;
}

/* 图片容器 */
.content-media {
  margin: 16px 0;
}

.content-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  object-fit: cover;
}

.content-media figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 8px 4px 0;
  line-height: 1.5;
}

.content-media-primary {
  margin: 0;
}

.content-media-primary img {
  border-radius: var(--radius-card);
}

.content-media-inline {
  margin: 16px 0;
}

.content-media-inline img {
  max-width: 100%;
  border-radius: var(--radius-card);
}

/* 表格 */
.board-table table {
  margin-top: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.board-table th,
.board-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.board-table th {
  background-color: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
}

.board-table tr:last-child td {
  border-bottom: none;
}

.board-table td a {
  color: var(--color-link);
}

/* 折叠问答 */
.faq-list {
  margin-top: 16px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  background-color: var(--color-surface);
}

.faq-item summary {
  padding: 14px 16px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 16px 14px;
  margin: 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* 交叉引用 / 相关链接 */
.related-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.related-links h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.related-links ul li a {
  font-size: 14px;
  color: var(--color-link);
}

/* 时间线组件 */
.timeline {
  position: relative;
}

.timeline-item {
  padding: 20px 0 20px 24px;
  border-left: 2px solid var(--color-border);
  margin-left: 8px;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 28px;
  width: 10px;
  height: 10px;
  background-color: var(--color-link);
  border-radius: 50%;
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.timeline-meta .time {
  font-size: 13px;
  color: var(--color-text-muted);
}

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

.timeline-title a {
  color: var(--color-text);
}

.timeline-title a:hover {
  color: var(--color-link);
}

.timeline-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.timeline-media,
.timeline-figure {
  margin: 12px 0;
}

.timeline-media img,
.timeline-figure img {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-card);
  object-fit: cover;
}

.timeline-link {
  margin-top: 8px;
}

.timeline-link a {
  font-size: 14px;
  color: var(--color-link);
}

/* 归档导航 */
.archive-nav,
.quarter-archive {
  margin-top: 40px;
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.archive-nav h2,
.quarter-archive h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.archive-nav ul,
.quarter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.archive-nav ul li a,
.quarter-list li a {
  font-size: 14px;
  color: var(--color-link);
}

/* ==========================================================================
   Pages — 首页
   ========================================================================== */

/* 首屏 Hero */
.hero-section {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.hero-copy h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.hero-lead {
  font-size: 18px;
  color: var(--color-link);
  font-weight: 600;
  margin-bottom: 8px;
}

.hero-text {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  max-width: 520px;
}

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

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  object-fit: cover;
}

/* 最新热帖时间线 */
.latest-topics {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 40px;
}

.latest-topics h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

/* 版块索引区 */
.boards-index {
  margin-bottom: 40px;
}

.boards-index h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.board-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px;
  transition: border-color var(--transition-base);
}

.board-card:hover {
  border-color: var(--color-link);
}

.board-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.board-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.board-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-link);
}

/* 活动公告摘要 */
.events-preview {
  margin-bottom: 40px;
}

.events-preview h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.event-list {
  list-style: none;
}

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

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

.event-item time {
  font-size: 13px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  min-width: 80px;
}

.event-item a {
  font-size: 15px;
  color: var(--color-link);
}

/* 社区手册入口 */
.guide-entry {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
}

.guide-entry h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

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

.guide-link {
  display: block;
  padding: 16px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  transition: border-color var(--transition-base);
}

.guide-link:hover {
  border-color: var(--color-link);
  color: var(--color-link);
  text-decoration: none;
}

/* ==========================================================================
   Pages — 版块总览 (forum.html)
   ========================================================================== */

.board-table {
  margin-bottom: 40px;
}

.board-table h2,
.recent-topics h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.board-table p,
.recent-topics p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.recent-topics {
  margin-bottom: 40px;
}

.topic-group {
  margin-bottom: 24px;
  padding: 16px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.topic-group h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.topic-group .topic-list li {
  padding: 8px 0;
}

.topic-group .topic-list a {
  font-size: 14px;
  color: var(--color-link);
}

/* ==========================================================================
   Pages — 作品讨论 (works.html)
   ========================================================================== */

.toc {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px;
  position: sticky;
  top: 80px;
}

.toc h2 {
  font-size: 17px;
  margin-bottom: 12px;
}

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

.toc ul li a {
  font-size: 14px;
  color: var(--color-link);
}

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

.genre-index h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.genre-block {
  margin-bottom: 32px;
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.genre-block h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.genre-media {
  margin-bottom: 12px;
}

.genre-media img {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--radius-card);
}

.genre-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.genre-block .topic-list li {
  padding: 8px 0;
}

.genre-block .topic-list a {
  font-size: 14px;
  color: var(--color-link);
}

.character-index {
  margin-bottom: 40px;
  padding: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.character-index h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.character-index p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 0.5em;
}

/* ==========================================================================
   Pages — 剧情交流 (story.html)
   ========================================================================== */

.topic-items {
  list-style: none;
}

.topic-items .topic-item {
  display: block;
  padding: 20px;
  margin-bottom: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

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

.topic-title a {
  color: var(--color-text);
}

.topic-title a:hover {
  color: var(--color-link);
}

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

.topic-time {
  font-size: 13px;
  color: var(--color-text-muted);
}

.topic-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.story-excerpts {
  margin-top: 40px;
}

.story-excerpts h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.excerpt-card {
  padding: 20px;
  margin-bottom: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

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

.excerpt-title a {
  color: var(--color-text);
}

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

.excerpt-body {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.excerpt-link a {
  font-size: 14px;
  color: var(--color-link);
}

.related-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.related-link-card {
  padding: 16px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.related-link-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

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

.related-link-card a {
  font-size: 14px;
  color: var(--color-link);
}

/* ==========================================================================
   Pages — 更新情报 (updates.html)
   ========================================================================== */

.timeline {
  margin-bottom: 40px;
}

.timeline > h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.archive-nav {
  margin-bottom: 40px;
}

/* ==========================================================================
   Pages — 热门推荐 (hot.html)
   ========================================================================== */

.recommend-list {
  margin-bottom: 40px;
}

.section-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.recommend-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  padding: 20px;
  margin-bottom: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.recommend-cover img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-card);
}

.recommend-content {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

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

.item-title a {
  color: var(--color-text);
}

.item-title a:hover {
  color: var(--color-link);
}

.item-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.item-reason {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.item-link {
  font-size: 14px;
  color: var(--color-link);
  font-weight: 600;
}

.tags {
  margin-bottom: 40px;
}

.tag-group {
  margin-bottom: 20px;
}

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

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li a {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tag);
  color: var(--color-text);
}

.tag-list li a:hover {
  border-color: var(--color-link);
  color: var(--color-link);
  text-decoration: none;
}

/* ==========================================================================
   Pages — 社区手册 (guide.html)
   ========================================================================== */

.guide-toc {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px;
  position: sticky;
  top: 80px;
}

.guide-toc h2 {
  font-size: 17px;
  margin-bottom: 12px;
}

.guide-toc ul li {
  margin-bottom: 6px;
}

.guide-toc ul li a {
  font-size: 14px;
  color: var(--color-link);
}

.toc-note {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.guide-toc p a {
  font-size: 14px;
  color: var(--color-link);
}

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

.guide-section h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.guide-section .section-desc {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.steps-list {
  list-style: none;
  counter-reset: step-counter;
}

.step-item {
  position: relative;
  padding: 16px 20px 16px 60px;
  margin-bottom: 12px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  counter-increment: step-counter;
}

.step-item::before {
  content: counter(step-counter);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 32px;
  height: 32px;
  background-color: var(--color-link);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
}

.step-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.step-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.rules-list {
  list-style: none;
}

.rule-item {
  padding: 16px 20px;
  margin-bottom: 12px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  border-left: 4px solid var(--color-accent);
}

.rule-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.rule-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.section-link {
  margin-top: 12px;
}

.section-link a {
  font-size: 14px;
  color: var(--color-link);
}

/* ==========================================================================
   Pages — 活动公告 (events.html)
   ========================================================================== */

.featured-event {
  margin-bottom: 40px;
}

.featured-event h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.event-feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
}

.event-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  object-fit: cover;
}

.event-media figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 8px 4px 0;
}

.event-info h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

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

.event-intro {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.event-guide {
  font-size: 14px;
  margin-bottom: 8px;
}

.event-guide strong {
  display: block;
  margin-bottom: 4px;
}

.text-link {
  font-size: 14px;
  color: var(--color-link);
  font-weight: 600;
}

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

.announcement-timeline h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.announcement-list {
  list-style: none;
}

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

.announcement-date {
  font-size: 13px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  min-width: 80px;
}

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

.announcement-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ==========================================================================
   Pages — 404
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
}

.error-panel {
  text-align: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  max-width: 480px;
  width: 100%;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-link);
  margin-bottom: 8px;
  line-height: 1;
}

.error-panel h1 {
  font-size: 22px;
  margin-bottom: 12px;
}

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

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

/* 平板：≤1024px */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr 360px;
    gap: 32px;
  }

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

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* 移动端：≤768px */
@media (max-width: 768px) {
  .header-inner {
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
    order: 3;
  }

  .btn-post {
    order: 2;
    margin-left: auto;
    padding: 8px 14px;
    font-size: 13px;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding: 12px 20px;
    gap: 0;
  }

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

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

  .nav-list a {
    padding: 12px 8px;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
  }

  .nav-list li:last-child a {
    border-bottom: none;
  }

  /* 首页 hero */
  .hero-section {
    grid-template-columns: 1fr;
    padding: 32px 20px;
    gap: 24px;
  }

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

  .hero-figure {
    order: 2;
  }

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

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

  /* 首页版块 */
  .board-grid {
    grid-template-columns: 1fr;
  }

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

  /* 布局外壳 */
  .layout-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-left .content-area,
  .sidebar-left .guide-content,
  .sidebar-left .toc,
  .sidebar-left .guide-toc {
    grid-column: 1;
    grid-row: auto;
  }

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

  /* 首页移动端顺序：hero → boards-index → latest-topics → events-preview → guide-entry */
  .home-main .hero-section {
    order: 1;
  }

  .home-main .boards-index {
    order: 2;
  }

  .home-main .latest-topics {
    order: 3;
  }

  .home-main .events-preview {
    order: 4;
  }

  .home-main .guide-entry {
    order: 5;
  }

  .home-main {
    display: flex;
    flex-direction: column;
  }

  /* 表格移动端 */
  .board-table table {
    display: block;
    overflow-x: auto;
  }

  /* 推荐列表 */
  .recommend-item {
    grid-template-columns: 1fr;
  }

  .recommend-cover img {
    height: auto;
    max-height: 200px;
  }

  /* 活动 */
  .event-feature-card {
    grid-template-columns: 1fr;
  }

  /* 相关链接网格 */
  .related-links-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-brand {
    grid-column: 1;
  }

  /* 内页 */
  .inner-main {
    padding: 16px 16px 40px;
  }

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

  /* 话题条目 */
  .topic-item {
    flex-wrap: wrap;
    gap: 6px 10px;
  }

  .topic-item time {
    width: 100%;
    padding-left: 0;
  }

  /* 时间线 */
  .timeline-item {
    padding-left: 16px;
  }

  /* 公告条目 */
  .announcement-item {
    flex-direction: column;
    gap: 4px;
  }
}

/* 小屏手机：≤390px */
@media (max-width: 390px) {
  .header-inner {
    padding: 0 12px;
  }

  .brand-logo {
    font-size: 17px;
  }

  .btn-post {
    padding: 8px 10px;
    font-size: 12px;
  }

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

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

  .section-block h2,
  .latest-topics h2,
  .boards-index h2,
  .events-preview h2 {
    font-size: 19px;
  }

  .board-card {
    padding: 16px;
  }

  .event-item {
    flex-direction: column;
    gap: 4px;
  }

  .guide-link {
    padding: 14px 16px;
  }

  .step-item {
    padding: 14px 16px 14px 52px;
  }

  .step-item::before {
    left: 12px;
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
}