/* ============================================================
   md麻豆传媒官网 · 整站样式表
   自然生活风 · 草绿主色 / 陶土强调色 / 浅灰白背景
   ============================================================ */

/* ------------------------------------------------------------
   Base · 基础变量、重置与全局排版
   ------------------------------------------------------------ */
:root {
  --color-primary: #3F5B4B;
  --color-primary-dark: #334A3C;
  --color-accent: #C97C5D;
  --color-bg: #F7F4EE;
  --color-text: #2B2B2B;
  --color-text-muted: #6B6B6B;
  --color-card: #FFFFFF;
  --color-border: #E4DED2;
  --color-border-light: #EFEAE1;
  --color-code-bg: #F1EDE4;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --container-width: 1200px;
  --container-pad: 24px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --text-sm: 14px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-title-lg: 34px;
  --text-title-md: 28px;
  --line-height-base: 1.75;
}

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

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

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul,
ol {
  list-style-position: inside;
}

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

/* 键盘焦点可见性 */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 屏幕阅读器专用 */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------
   Layout · 全站布局骨架
   ------------------------------------------------------------ */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* 统一内容宽度容器 */
.header-inner,
.site-main > .hero-section,
.site-main > .entry-cards,
.site-main > .board-table-section,
.site-main > .topic-faq-wrap,
.site-main > .hot-topics,
.site-main > .community-events,
.site-main > .faq-summary,
.site-main > .rules-summary,
.inner-main,
.footer-inner {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ------------------------------------------------------------
   Components · 页头与主导航
   ------------------------------------------------------------ */
.site-header {
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-link {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

.brand-tag {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.nav-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.4;
}

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

.nav-list a.is-current {
  color: var(--color-primary);
  background-color: rgba(63, 91, 75, 0.1);
  font-weight: 600;
}

/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background-color: var(--color-bg);
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.2s ease,
    box-shadow 0.2s ease;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-card);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(63, 91, 75, 0.2);
}

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

.btn-secondary:hover {
  background-color: rgba(63, 91, 75, 0.06);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.header-action {
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   Components · 页脚
   ------------------------------------------------------------ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0;
}

.footer-inner {
  padding-top: 48px;
  padding-bottom: 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 16px 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ------------------------------------------------------------
   Components · 通用区块标题与说明
   ------------------------------------------------------------ */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-intro {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

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

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

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

.breadcrumb-sep {
  color: #B8B2A6;
}

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

/* 页面标题区 */
.page-header {
  padding-top: 24px;
  padding-bottom: 28px;
}

.page-title {
  font-size: var(--text-title-lg);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 10px;
}

.page-description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 760px;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   Components · 卡片、表格、折叠、时间线通用
   ------------------------------------------------------------ */
/* 表格 */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-card);
}

.board-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
  min-width: 640px;
}

.board-table th,
.board-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border-light);
}

.board-table th {
  background-color: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.board-table td {
  color: var(--color-text);
  line-height: 1.6;
}

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

.board-table tbody tr:hover td {
  background-color: rgba(63, 91, 75, 0.03);
}

/* 折叠问答 */
.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  padding: 0;
  overflow: hidden;
}

.faq-item + .faq-item {
  margin-top: 12px;
}

.faq-item h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.5;
  padding: 16px 20px 4px;
}

.faq-item > p {
  padding: 0 20px 16px;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* details 折叠 */
details.faq-item {
  padding: 0;
}

details.faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background-color 0.2s ease;
}

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

details.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
}

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

details.faq-item summary:hover {
  background-color: var(--color-bg);
}

details.faq-item > p {
  padding: 0 20px 18px;
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border-light);
  padding-top: 14px;
  margin-top: 0;
}

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 24px;
  border-left: 2px solid var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 2px solid var(--color-card);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-item h3 a {
  color: var(--color-text);
}

.timeline-item h3 a:hover {
  color: var(--color-primary);
}

.timeline-item .meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   Components · 首页模块
   ------------------------------------------------------------ */
/* 首屏焦点区 */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
}

.hero-copy h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-media {
  position: relative;
}

.hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(43, 43, 43, 0.12);
}

.hero-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* 论坛入口三列 */
.entry-cards {
  padding-top: 48px;
  padding-bottom: 48px;
}

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

.entry-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
}

.entry-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.entry-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
  flex: 1;
}

.entry-card a {
  font-weight: 600;
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 版块目录表 */
.board-table-section {
  padding-top: 48px;
  padding-bottom: 48px;
}

/* 主题目录 + 问答折叠区 */
.topic-faq-wrap {
  padding-top: 48px;
  padding-bottom: 48px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  margin-top: 24px;
  align-items: start;
}

.faq-index {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

.faq-index ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-index a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
}

.faq-index a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.faq-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 热门话题 */
.hot-topics {
  padding-top: 48px;
  padding-bottom: 48px;
}

/* 社区活动 */
.community-events {
  padding-top: 48px;
  padding-bottom: 48px;
}

.event-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.event-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
}

.event-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.event-card h3 {
  font-size: 20px;
  font-weight: 700;
  padding: 20px 20px 8px;
}

.event-card p {
  padding: 0 20px 12px;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.event-card a {
  margin: 0 20px 20px;
  font-weight: 600;
  font-size: var(--text-sm);
}

.event-guide {
  margin-top: 32px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.event-guide p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.event-guide a {
  font-weight: 600;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/* FAQ 摘要 */
.faq-summary {
  padding-top: 48px;
  padding-bottom: 48px;
}

.faq-short {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 760px;
}

.faq-short details {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
}

.faq-short summary {
  padding: 14px 20px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

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

.faq-short summary::after {
  content: "+";
  font-size: 18px;
  color: var(--color-accent);
}

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

.faq-short details p {
  padding: 0 20px 16px;
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border-light);
  padding-top: 12px;
}

.more-link {
  margin-top: 20px;
}

.more-link a {
  font-weight: 600;
  font-size: var(--text-sm);
}

/* 社区规则摘要 */
.rules-summary {
  padding-top: 24px;
  padding-bottom: 64px;
}

.rules-summary p {
  background-color: rgba(201, 124, 93, 0.08);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  line-height: 1.7;
  color: var(--color-text);
}

.rules-summary a {
  font-weight: 600;
  text-decoration: underline;
}

/* ------------------------------------------------------------
   Pages · 内页通用布局
   ------------------------------------------------------------ */
.inner-main {
  padding-bottom: 64px;
}

/* 双栏布局：主内容在前，侧栏在后 */
.layout-shell {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
  margin-top: 8px;
}

/* 侧栏在左的布局（新手指南） */
.sidebar-left {
  grid-template-columns: 240px 1fr;
}

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

.sidebar-left .guide-content {
  grid-column: 2;
  grid-row: 1;
}

/* ------------------------------------------------------------
   Pages · 版块总览
   ------------------------------------------------------------ */
.section-board-table,
.section-board-preview,
.section-post-guide {
  padding-top: 32px;
}

.section-board-table .section-title,
.section-board-preview .section-title,
.section-post-guide .section-title {
  margin-bottom: 20px;
}

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

.preview-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
}

.preview-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.preview-card h3 {
  font-size: 18px;
  font-weight: 700;
  padding: 16px 20px 6px;
}

.preview-card p {
  padding: 0 20px 12px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  flex: 1;
}

.preview-card a {
  margin: 0 20px 20px;
  font-weight: 600;
  font-size: var(--text-sm);
}

.section-post-guide {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.section-post-guide p {
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 640px;
}

.section-post-guide .btn {
  flex-shrink: 0;
}

/* 相关链接 */
.related-links {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--text-sm);
}

.related-links-label {
  color: var(--color-text-muted);
  margin-right: 4px;
}

.related-links-item {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.related-links-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ------------------------------------------------------------
   Pages · 热门话题
   ------------------------------------------------------------ */
.topic-filter {
  padding-top: 8px;
  padding-bottom: 8px;
}

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

.filter-tag {
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
  background-color: var(--color-card);
}

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

.filter-tag.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-card);
  font-weight: 600;
}

.topic-layout {
  margin-top: 0;
}

.topic-list {
  min-width: 0;
}

.topic-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topic-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: box-shadow 0.2s ease;
}

.topic-card:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.06);
}

.topic-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 6px;
}

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

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

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

.topic-excerpt {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* 侧栏 */
.topic-sidebar {
  min-width: 0;
}

.sidebar-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

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

.sidebar-card-title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: 6px;
}

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

.sidebar-card-title a:hover {
  color: var(--color-primary);
}

.sidebar-card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.sidebar-figure {
  margin-top: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
}

.sidebar-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.sidebar-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 分页 */
.pagination {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-info {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-right: 12px;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  background-color: var(--color-card);
  line-height: 1;
}

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

.page-link.is-current {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-card);
  font-weight: 600;
}

.page-link.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* 相关指南 */
.related-guides {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-light);
}

.guide-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.guide-link {
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
}

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

/* ------------------------------------------------------------
   Pages · 新手指南
   ------------------------------------------------------------ */
.guide-toc {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

.guide-toc h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
}

.toc-list a:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

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

.content-block {
  margin-bottom: 48px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.content-block h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.content-block > p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

/* 内容配图 */
.content-media {
  margin: 20px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
}

.content-media-inline img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.content-media figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 概念卡 */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.concept-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.concept-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}

.concept-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
  flex: 1;
}

.concept-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
  background-color: rgba(63, 91, 75, 0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
}

/* 工具条目 */
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tool-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.tool-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.tool-item p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.tool-item p + p {
  margin-top: 6px;
}

/* 风险列表 */
.risk-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.risk-list li {
  background-color: rgba(201, 124, 93, 0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 20px;
  line-height: 1.7;
  color: var(--color-text);
}

.risk-list strong {
  color: var(--color-accent);
  margin-right: 4px;
}

/* 案例 */
.case-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.case-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.case-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.case-item p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.case-item p + p {
  margin-top: 6px;
}

/* 后续步骤 */
.next-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-light);
}

.step-link {
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
}

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

/* 反馈内联条 */
.feedback-inline {
  margin-top: 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.feedback-inline p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ------------------------------------------------------------
   Pages · 社区规则
   ------------------------------------------------------------ */
.rule-summary {
  padding-top: 8px;
}

.rule-summary-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-top: 20px;
}

.rule-summary-card p {
  color: var(--color-text);
  line-height: 1.75;
  font-size: var(--text-lg);
}

.rule-section {
  padding-top: 40px;
}

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

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

.boundary-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.boundary-item-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.boundary-item p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* 发帖要求与违规处理 */
.requirement-list,
.violation-timeline {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.requirement-item,
.violation-stage {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.requirement-title,
.violation-stage-title {
  font-weight: 600;
  color: var(--color-text);
  min-width: 60px;
  flex-shrink: 0;
}

.requirement-item p,
.violation-stage p {
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* 处理流程 */
.process-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

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

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

.process-step .step-title,
.process-step h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 6px;
}

.process-step p {
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* 反馈入口 */
.feedback-entry {
  margin-top: 48px;
}

.feedback-entry-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.feedback-entry-card p {
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   Pages · 常见问题
   ------------------------------------------------------------ */
.faq-nav {
  padding-top: 8px;
}

.faq-nav-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.faq-nav-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  text-align: center;
  line-height: 1.4;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.faq-nav-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(43, 43, 43, 0.06);
}

.faq-section {
  padding-top: 40px;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

/* 相关指南卡片 */
.guide-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.guide-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
  border-color: var(--color-primary);
}

.guide-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}

.guide-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* 反馈提示 */
.feedback-prompt {
  margin-top: 40px;
  background-color: rgba(63, 91, 75, 0.06);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}

.feedback-prompt p {
  color: var(--color-text);
  line-height: 1.7;
}

.feedback-prompt a {
  font-weight: 600;
  text-decoration: underline;
}

/* ------------------------------------------------------------
   Pages · 反馈建议
   ------------------------------------------------------------ */
.feedback-types {
  padding-top: 8px;
}

.feedback-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.feedback-type-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feedback-type-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.feedback-type-card p {
  color: var(--color-text-muted);
  line-height: 1.65;
}

.submit-materials {
  padding-top: 48px;
}

.materials-panel {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.materials-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
}

.materials-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.materials-list li {
  padding-left: 20px;
  position: relative;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.materials-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

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

.process-section {
  padding-top: 48px;
}

.process-section .process-steps {
  grid-template-columns: repeat(4, 1fr);
}

.help-entry {
  padding-top: 48px;
}

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

.help-entry-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.help-entry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
  border-color: var(--color-primary);
}

.help-entry-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
}

.help-entry-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ------------------------------------------------------------
   Pages · 404
   ------------------------------------------------------------ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

.error-panel {
  text-align: center;
  max-width: 520px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}

.error-code {
  font-size: 72px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.error-desc {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   Responsive · 响应式断点
   ------------------------------------------------------------ */
/* ≤ 1024px：平板 */
@media (max-width: 1024px) {
  :root {
    --container-pad: 20px;
  }

  .hero-section {
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .hero-copy h1 {
    font-size: 32px;
  }

  .entry-grid,
  .preview-card-grid,
  .feedback-type-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .faq-layout {
    grid-template-columns: 200px 1fr;
    gap: 28px;
  }

  .layout-shell {
    grid-template-columns: 1fr 280px;
    gap: 28px;
  }

  .sidebar-left {
    grid-template-columns: 220px 1fr;
  }

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

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

  .materials-image {
    height: 200px;
  }

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

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ≤ 768px：大屏手机 / 小平板 */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
    --text-title-lg: 28px;
  }

  /* 汉堡菜单 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-card);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 8px 24px rgba(43, 43, 43, 0.08);
    padding: 12px 20px 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin-bottom: 12px;
  }

  .nav-list a {
    padding: 12px 16px;
    font-size: var(--text-base);
    border-radius: var(--radius-sm);
  }

  .header-action {
    width: 100%;
    justify-content: center;
  }

  /* 首页首屏 */
  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .hero-copy h1 {
    font-size: 30px;
  }

  .hero-figure img {
    height: 240px;
  }

  /* 三列变单列 */
  .entry-grid,
  .preview-card-grid,
  .feedback-type-grid,
  .concept-grid,
  .guide-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 双栏变单栏 */
  .faq-layout,
  .layout-shell,
  .sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .faq-index,
  .guide-toc {
    position: static;
  }

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

  /* 活动卡变单列 */
  .event-cards {
    grid-template-columns: 1fr;
  }

  .event-card img {
    height: 180px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding-top: 36px;
  }

  /* 话题筛选 */
  .filter-tags {
    gap: 8px;
  }

  .filter-tag {
    padding: 8px 14px;
  }

  /* FAQ 导航 */
  .faq-nav-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* 流程步骤 */
  .process-steps,
  .process-section .process-steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 帮助入口 */
  .help-entry-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 规则摘要 */
  .rule-summary-card {
    padding: 20px;
  }

  /* 版块总览引导条 */
  .section-post-guide {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

  /* 反馈内联 */
  .feedback-inline {
    flex-direction: column;
    align-items: flex-start;
  }

  /* 事件引导 */
  .event-guide {
    flex-direction: column;
    align-items: flex-start;
  }

  /* 分页 */
  .pagination {
    justify-content: flex-start;
  }

  /* 表格移动端横向滚动 */
  .table-wrap {
    margin: 0 -4px;
  }
}

/* ≤ 480px：小屏手机 */
@media (max-width: 480px) {
  :root {
    --container-pad: 16px;
  }

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

  .brand-tag {
    font-size: 11px;
  }

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

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

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

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

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

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

  .board-table {
    min-width: 560px;
  }

  .error-panel {
    padding: 32px 20px;
  }

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

  .materials-panel {
    padding: 20px;
  }
}