/* ============================================================
   糖心v 社区论坛 · 全站样式表
   站点：lxce9.cn
   版本：1.0
   ============================================================ */

/* ============================================================
   Base — 基础变量、重置与全局排版
   ============================================================ */

:root {
  --color-primary: #2F6B5F;
  --color-primary-dark: #24544A;
  --color-primary-light: #3D7E71;
  --color-bg-soft: #E8F0ED;
  --color-accent: #D97742;
  --color-accent-dark: #C46535;
  --color-text: #24292F;
  --color-text-secondary: #6B7280;
  --color-border: #E5E7EB;
  --color-white: #FFFFFF;

  --radius-card: 8px;
  --radius-btn: 4px;
  --radius-tag: 4px;

  --container-width: 1200px;
  --header-height: 64px;
  --space-unit: 8px;
  --space-1: calc(var(--space-unit) * 1);
  --space-2: calc(var(--space-unit) * 2);
  --space-3: calc(var(--space-unit) * 3);
  --space-4: calc(var(--space-unit) * 4);
  --space-5: calc(var(--space-unit) * 5);
  --space-6: calc(var(--space-unit) * 6);
  --space-8: calc(var(--space-unit) * 8);
  --space-10: calc(var(--space-unit) * 10);
  --space-12: calc(var(--space-unit) * 12);

  --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  min-height: 100vh;
}

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

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

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

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

li {
  line-height: 1.7;
}

/* ============================================================
   Layout — 全站骨架：页头、页脚、主容器
   ============================================================ */

/* --- 页头 --- */

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.brand:hover .brand-name {
  color: var(--color-primary-dark);
}

/* 主导航 */

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s ease;
}

.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;
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-list li {
  list-style: none;
}

.nav-list a {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-btn);
  white-space: nowrap;
}

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

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

/* 发帖入口按钮 */

.post-entry-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-4);
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color 0.2s ease;
}

.post-entry-btn:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}

/* --- 主内容容器 --- */

.site-main {
  min-height: 60vh;
}

.site-main.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-10);
}

.site-main.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) var(--space-10);
}

/* --- 页脚 --- */

.site-footer {
  background-color: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-10);
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4) var(--space-6);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
}

.footer-col p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.footer-col p.footer-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.footer-col p.footer-note {
  font-size: 13px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-4);
  text-align: center;
}

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

/* ============================================================
   Components — 公共组件
   ============================================================ */

/* --- 面包屑 --- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: 14px;
  color: var(--color-text-secondary);
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

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

/* --- 页面标题区 --- */

.page-header {
  margin-bottom: var(--space-4);
}

.page-header h1.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}

.page-header .page-description {
  margin-top: var(--space-2);
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 760px;
}

.page-head {
  margin-bottom: var(--space-4);
}

.page-head .page-lead {
  font-size: 17px;
  color: var(--color-text-secondary);
  max-width: 760px;
  margin-bottom: var(--space-4);
}

/* --- 通用区块标题 --- */

h2 {
  font-size: 23px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

.section-intro {
  margin-top: var(--space-2);
  margin-bottom: var(--space-5);
  color: var(--color-text-secondary);
  max-width: 760px;
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-desc {
  margin-bottom: var(--space-5);
  color: var(--color-text-secondary);
}

/* --- 表格 --- */

.board-table,
.feedback-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.board-table th,
.board-table td,
.feedback-table th,
.feedback-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.board-table thead th,
.feedback-table thead th {
  background-color: var(--color-bg-soft);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.board-table tbody tr:hover,
.feedback-table tbody tr:hover {
  background-color: rgba(232, 240, 237, 0.5);
}

.board-table tbody td:first-child {
  font-weight: 600;
  color: var(--color-primary);
}

.board-table tbody td a {
  font-weight: 500;
}

.table-wrap {
  overflow-x: auto;
}

/* --- 标签 --- */

.tag {
  display: inline-block;
  padding: 2px var(--space-2);
  background-color: var(--color-bg-soft);
  color: var(--color-primary);
  font-size: 13px;
  border-radius: var(--radius-tag);
  white-space: nowrap;
}

/* --- 话题条目 --- */

.topic-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.topic-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.topic-meta .direction {
  margin-left: auto;
}

/* --- 分类卡片 --- */

.category-grid {
  display: grid;
  gap: var(--space-4);
}

/* --- 提示条 --- */

.notice-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background-color: var(--color-bg-soft);
  border-left: 3px solid var(--color-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-card);
  margin-top: var(--space-4);
}

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

.notice-text {
  font-size: 14px;
  color: var(--color-text);
}

/* --- 相关链接区 --- */

.related-links {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.related-links h2 {
  font-size: 20px;
  margin-bottom: var(--space-4);
}

.related-links ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.related-links a {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-btn);
  font-size: 14px;
}

.related-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* --- 图片容器 --- */

figure {
  margin: 0;
}

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

figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  text-align: center;
}

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

/* --- 首屏 hero --- */

.hero {
  padding: var(--space-8) 0 var(--space-6);
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.hero-lead {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.cta-primary,
.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-5);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

.cta-primary:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}

.cta-secondary {
  background-color: var(--color-bg-soft);
  color: var(--color-primary);
}

.cta-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.hero-figure {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

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

/* --- 版块目录 --- */

.board-directory {
  padding: var(--space-8) 0;
}

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

/* --- 热门话题 --- */

.hot-topics {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.hot-topics .topic-list {
  display: grid;
  gap: var(--space-3);
}

.hot-topics .topic-item h3 {
  font-size: 17px;
}

.hot-topics .topic-item h3 a {
  color: var(--color-text);
}

.hot-topics .topic-item h3 a:hover {
  color: var(--color-primary);
}

/* 首页话题标签索引 */

.hot-topics .tag-index {
  margin-top: var(--space-6);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.hot-topics .tag-index h3 {
  margin-bottom: var(--space-3);
  font-size: 17px;
}

.hot-topics .tag-index ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hot-topics .tag-index a {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tag);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.hot-topics .tag-index a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --- 内容分类入口 --- */

.content-categories {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.content-categories .category-grid {
  grid-template-columns: repeat(4, 1fr);
}

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

.content-categories .category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.content-categories .category-card figure {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.content-categories .category-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-categories .category-card h3 {
  padding: var(--space-3) var(--space-4) 0;
  font-size: 17px;
  color: var(--color-primary);
}

.content-categories .category-card p {
  padding: var(--space-2) var(--space-4) 0;
  font-size: 14px;
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.content-categories .category-card .example-topic {
  padding: var(--space-2) var(--space-4) var(--space-4);
  font-size: 13px;
  color: var(--color-text);
}

/* --- 新手指南步骤条 --- */

.guide-entry {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.guide-entry .steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.guide-entry .step-item {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  position: relative;
}

.guide-entry .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-3);
}

.guide-entry .step-item h3 {
  margin-bottom: var(--space-2);
  font-size: 17px;
}

.guide-entry .step-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.guide-entry .step-item a {
  font-size: 14px;
  font-weight: 500;
}

/* --- 规则与问答摘要 --- */

.rules-summary {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
}

.rules-summary .summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.rules-brief,
.faq-entry {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.rules-brief h3,
.faq-entry h3 {
  margin-bottom: var(--space-3);
  font-size: 18px;
}

.rules-brief ul,
.faq-entry ul {
  list-style: none;
  margin-bottom: var(--space-4);
}

.rules-brief li,
.faq-entry li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.rules-brief li:last-child,
.faq-entry li:last-child {
  border-bottom: none;
}

.rules-brief a,
.faq-entry a {
  font-size: 15px;
}

/* ============================================================
   Pages — 版块导览
   ============================================================ */

.page-ban-kuai-dao-lan .page-hero-media {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-ban-kuai-dao-lan .page-hero-media img {
  aspect-ratio: 21 / 7;
}

.page-ban-kuai-dao-lan .board-table {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-ban-kuai-dao-lan .choice-tip {
  margin-top: var(--space-6);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  border-left: 3px solid var(--color-primary);
}

.page-ban-kuai-dao-lan .choice-tip h2 {
  font-size: 20px;
  margin-bottom: var(--space-3);
}

.page-ban-kuai-dao-lan .tip-content ul {
  list-style: none;
  margin: var(--space-3) 0;
}

.page-ban-kuai-dao-lan .tip-content li {
  padding: var(--space-1) 0;
  font-size: 15px;
}

.page-ban-kuai-dao-lan .tip-content strong {
  color: var(--color-primary);
  font-weight: 600;
  margin-right: var(--space-1);
}

.page-ban-kuai-dao-lan .tip-content p:last-child {
  margin-top: var(--space-3);
}

/* ============================================================
   Pages — 热门话题
   ============================================================ */

.page-re-men-hua-ti .layout-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-6);
  align-items: start;
}

.page-re-men-hua-ti .topic-list {
  display: grid;
  gap: var(--space-4);
}

.page-re-men-hua-ti .topic-item {
  padding: var(--space-5);
}

.page-re-men-hua-ti .topic-title {
  font-size: 18px;
}

.page-re-men-hua-ti .topic-title a {
  color: var(--color-text);
}

.page-re-men-hua-ti .topic-title a:hover {
  color: var(--color-primary);
}

.page-re-men-hua-ti .topic-desc {
  margin-top: var(--space-2);
  font-size: 15px;
  color: var(--color-text-secondary);
}

.page-re-men-hua-ti .topic-board-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: 14px;
  font-weight: 600;
}

/* 侧栏 */

.page-re-men-hua-ti .tag-board {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.page-re-men-hua-ti .tag-board .aside-title {
  font-size: 17px;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.page-re-men-hua-ti .tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.page-re-men-hua-ti .tag-list a {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-tag);
  font-size: 14px;
  color: var(--color-text-secondary);
}

.page-re-men-hua-ti .tag-list a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.page-re-men-hua-ti .board-shortcut {
  list-style: none;
  margin-bottom: var(--space-5);
}

.page-re-men-hua-ti .board-shortcut li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.page-re-men-hua-ti .board-shortcut li:last-child {
  border-bottom: none;
}

.page-re-men-hua-ti .board-shortcut a {
  font-size: 15px;
}

.page-re-men-hua-ti .topic-side-figure {
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-re-men-hua-ti .topic-side-figure img {
  aspect-ratio: 4 / 3;
}

/* ============================================================
   Pages — 内容分类
   ============================================================ */

.page-nei-rong-fen-lei .category-grid {
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-nei-rong-fen-lei .category-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.page-nei-rong-fen-lei .category-card:hover {
  box-shadow: var(--shadow-hover);
}

.page-nei-rong-fen-lei .category-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.page-nei-rong-fen-lei .category-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-nei-rong-fen-lei .category-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-nei-rong-fen-lei .category-name {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-nei-rong-fen-lei .category-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.page-nei-rong-fen-lei .category-example {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.page-nei-rong-fen-lei .category-example strong {
  color: var(--color-primary);
  font-weight: 600;
}

.page-nei-rong-fen-lei .category-link {
  font-size: 14px;
  font-weight: 600;
}

/* 分类说明区域 */

.page-nei-rong-fen-lei .category-notes {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.page-nei-rong-fen-lei .notes-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-nei-rong-fen-lei .note-item {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-4);
}

.page-nei-rong-fen-lei .note-item h3 {
  font-size: 16px;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.page-nei-rong-fen-lei .note-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.page-nei-rong-fen-lei .category-boundary-tip {
  font-size: 14px;
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-2) var(--space-4);
  background-color: rgba(217, 119, 66, 0.06);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

/* ============================================================
   Pages — 新手指南
   ============================================================ */

.page-xin-shou-zhi-nan .guide-hero-figure {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-xin-shou-zhi-nan .guide-hero-figure img {
  aspect-ratio: 21 / 6;
}

/* 步骤总览 */

.page-xin-shou-zhi-nan .steps-overview {
  margin-bottom: var(--space-8);
}

.page-xin-shou-zhi-nan .steps-overview-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.page-xin-shou-zhi-nan .step-overview-item {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  text-align: center;
}

.page-xin-shou-zhi-nan .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 17px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-3);
}

.page-xin-shou-zhi-nan .step-overview-item h3 {
  font-size: 16px;
  margin-bottom: var(--space-2);
}

.page-xin-shou-zhi-nan .step-overview-item p {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* 步骤详情 */

.page-xin-shou-zhi-nan .step-details {
  margin-bottom: var(--space-8);
}

.page-xin-shou-zhi-nan .step-detail-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.page-xin-shou-zhi-nan .step-detail-item h3 {
  font-size: 19px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.page-xin-shou-zhi-nan .step-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.page-xin-shou-zhi-nan .step-detail-block {
  padding: var(--space-4);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
}

.page-xin-shou-zhi-nan .step-detail-block h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-xin-shou-zhi-nan .step-detail-block p {
  font-size: 14px;
  color: var(--color-text);
}

.page-xin-shou-zhi-nan .step-detail-block a {
  font-size: 14px;
  font-weight: 500;
}

/* 提示框 */

.page-xin-shou-zhi-nan .tips-box {
  background-color: var(--color-bg-soft);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.page-xin-shou-zhi-nan .tips-box h2 {
  font-size: 19px;
  margin-bottom: var(--space-3);
}

.page-xin-shou-zhi-nan .tips-box p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

/* ============================================================
   Pages — 社区规则
   ============================================================ */

.page-she-qu-gui-ze .page-cover {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-she-qu-gui-ze .page-cover img {
  aspect-ratio: 21 / 6;
}

.page-she-qu-gui-ze .rules-section {
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.page-she-qu-gui-ze .rules-section h2 {
  font-size: 20px;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.page-she-qu-gui-ze .rules-section p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.page-she-qu-gui-ze .principle-list,
.page-she-qu-gui-ze .principle-detail-list,
.page-she-qu-gui-ze .boundary-list {
  list-style: none;
}

.page-she-qu-gui-ze .principle-list li,
.page-she-qu-gui-ze .principle-detail-list li,
.page-she-qu-gui-ze .boundary-list li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.page-she-qu-gui-ze .principle-list li:last-child,
.page-she-qu-gui-ze .principle-detail-list li:last-child,
.page-she-qu-gui-ze .boundary-list li:last-child {
  border-bottom: none;
}

.page-she-qu-gui-ze .workflow-list,
.page-she-qu-gui-ze .handling-list {
  padding-left: var(--space-4);
}

.page-she-qu-gui-ze .workflow-list li,
.page-she-qu-gui-ze .handling-list li {
  padding: var(--space-2) 0;
  font-size: 15px;
}

.page-she-qu-gui-ze .workflow-list li::marker,
.page-she-qu-gui-ze .handling-list li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

/* ============================================================
   Pages — 常见问题
   ============================================================ */

.page-chang-jian-wen-ti .content-media-inline {
  float: right;
  width: 260px;
  margin: 0 0 var(--space-4) var(--space-4);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-chang-jian-wen-ti .content-media-inline img {
  aspect-ratio: 4 / 3;
}

.page-chang-jian-wen-ti .faq-group {
  max-width: 800px;
}

.page-chang-jian-wen-ti .faq-theme-block {
  margin-bottom: var(--space-5);
}

.page-chang-jian-wen-ti .faq-theme-title {
  font-size: 19px;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.page-chang-jian-wen-ti .faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.page-chang-jian-wen-ti .faq-item summary {
  padding: var(--space-3) var(--space-4);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: var(--space-8);
}

.page-chang-jian-wen-ti .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-chang-jian-wen-ti .faq-item summary::after {
  content: "+";
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.page-chang-jian-wen-ti .faq-item[open] summary::after {
  content: "−";
}

.page-chang-jian-wen-ti .faq-item[open] summary {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-soft);
}

.page-chang-jian-wen-ti .faq-answer {
  padding: var(--space-4);
}

.page-chang-jian-wen-ti .faq-answer p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.page-chang-jian-wen-ti .faq-answer p:last-child {
  margin-bottom: 0;
}

/* 问题索引 */

.page-chang-jian-wen-ti .question-index {
  margin-bottom: var(--space-6);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.page-chang-jian-wen-ti .index-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.page-chang-jian-wen-ti .index-list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 14px;
}

.page-chang-jian-wen-ti .index-list a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   Pages — 站务反馈
   ============================================================ */

.page-zhan-wu-fan-kui .content-media-inline {
  margin-bottom: var(--space-5);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-zhan-wu-fan-kui .content-media-inline img {
  aspect-ratio: 21 / 6;
}

.page-zhan-wu-fan-kui .feedback-types {
  margin-bottom: var(--space-6);
}

.page-zhan-wu-fan-kui .feedback-table {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-zhan-wu-fan-kui .feedback-steps {
  margin-bottom: var(--space-6);
}

.page-zhan-wu-fan-kui .step-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.page-zhan-wu-fan-kui .step-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.page-zhan-wu-fan-kui .step-item h3 {
  font-size: 17px;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.page-zhan-wu-fan-kui .step-item p {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.page-zhan-wu-fan-kui .step-item p strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* 复制链接操作 */

.page-zhan-wu-fan-kui .copy-action {
  margin-bottom: var(--space-6);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.page-zhan-wu-fan-kui .copy-action h2 {
  font-size: 19px;
  margin-bottom: var(--space-3);
}

.page-zhan-wu-fan-kui .copy-action p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.page-zhan-wu-fan-kui .copy-link-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.page-zhan-wu-fan-kui .copy-link-btn:hover {
  background-color: var(--color-primary-dark);
}

.page-zhan-wu-fan-kui .copy-link-btn.is-copied {
  background-color: var(--color-accent);
}

.page-zhan-wu-fan-kui .copy-tip {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* 处理说明 */

.page-zhan-wu-fan-kui .note {
  margin-bottom: var(--space-6);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.page-zhan-wu-fan-kui .note h2 {
  font-size: 19px;
  margin-bottom: var(--space-3);
}

.page-zhan-wu-fan-kui .note p {
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

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

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-12) var(--space-4);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-panel {
  text-align: center;
  max-width: 480px;
  padding: var(--space-8);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.error-panel h1 {
  font-size: 28px;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.error-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.error-back-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  margin-bottom: var(--space-4);
}

.error-back-btn:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

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

.error-help a {
  margin: 0 var(--space-1);
  font-weight: 500;
}

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

/* --- 1024px 断点 --- */

@media (max-width: 1024px) {
  .header-inner {
    padding: 0 var(--space-3);
  }

  .nav-list a {
    padding: var(--space-1) var(--space-2);
    font-size: 14px;
  }

  .post-entry-btn {
    padding: var(--space-1) var(--space-3);
    font-size: 14px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

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

  .page-re-men-hua-ti .layout-shell {
    grid-template-columns: 1fr 260px;
    gap: var(--space-4);
  }

  .page-xin-shou-zhi-nan .steps-overview-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-xin-shou-zhi-nan .step-detail-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .page-zhan-wu-fan-kui .step-list {
    grid-template-columns: 1fr;
  }

  .page-nei-rong-fen-lei .category-card {
    grid-template-columns: 260px 1fr;
  }
}

/* --- 768px 断点 --- */

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    min-height: var(--header-height);
    flex-wrap: wrap;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .brand {
    order: 1;
  }

  .post-entry-btn {
    order: 2;
    margin-left: auto;
  }

  .site-nav {
    order: 4;
    flex-basis: 100%;
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-2) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2);
  }

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

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

  .nav-list a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: 15px;
  }

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

  .hero-figure {
    margin-top: var(--space-4);
  }

  .guide-entry .steps-row {
    grid-template-columns: 1fr;
  }

  .rules-summary .summary-grid {
    grid-template-columns: 1fr;
  }

  .page-re-men-hua-ti .layout-shell {
    grid-template-columns: 1fr;
  }

  .page-re-men-hua-ti .tag-board {
    margin-top: var(--space-4);
  }

  .page-nei-rong-fen-lei .category-card {
    grid-template-columns: 1fr;
  }

  .page-nei-rong-fen-lei .category-card-media {
    aspect-ratio: 16 / 9;
  }

  .page-nei-rong-fen-lei .notes-list {
    grid-template-columns: 1fr;
  }

  .page-chang-jian-wen-ti .content-media-inline {
    float: none;
    width: 100%;
    margin: 0 0 var(--space-4) 0;
  }

  .page-chang-jian-wen-ti .index-list {
    grid-template-columns: 1fr;
  }

  .page-xin-shou-zhi-nan .guide-hero-figure img {
    aspect-ratio: 16 / 7;
  }

  .page-she-qu-gui-ze .page-cover img {
    aspect-ratio: 16 / 7;
  }

  .page-zhan-wu-fan-kui .content-media-inline img {
    aspect-ratio: 16 / 7;
  }
}

/* --- 480px 断点 --- */

@media (max-width: 480px) {
  .header-inner {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    gap: var(--space-2);
  }

  .brand-name {
    font-size: 19px;
  }

  .post-entry-btn {
    padding: var(--space-1) var(--space-2);
    font-size: 13px;
  }

  .site-main.home-main,
  .site-main.inner-main {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }

  .hero {
    padding: var(--space-5) 0;
  }

  .hero h1 {
    font-size: 23px;
  }

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

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

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

  .board-table th,
  .board-table td,
  .feedback-table th,
  .feedback-table td {
    padding: var(--space-2) var(--space-3);
    font-size: 14px;
  }

  .content-categories .category-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .page-header h1.page-title {
    font-size: 24px;
  }

  .page-xin-shou-zhi-nan .steps-overview-list {
    grid-template-columns: 1fr;
  }

  .page-xin-shou-zhi-nan .step-overview-item {
    text-align: left;
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  .page-xin-shou-zhi-nan .step-number {
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .page-xin-shou-zhi-nan .step-overview-item h3 {
    margin-bottom: 0;
  }

  .page-xin-shou-zhi-nan .step-overview-item p {
    flex-basis: 100%;
  }

  .page-zhan-wu-fan-kui .step-list {
    grid-template-columns: 1fr;
  }

  .page-nei-rong-fen-lei .category-card-body {
    padding: var(--space-4);
  }

  .page-nei-rong-fen-lei .category-name {
    font-size: 18px;
  }

  .page-chang-jian-wen-ti .faq-item summary {
    font-size: 15px;
  }

  .page-chang-jian-wen-ti .faq-answer {
    padding: var(--space-3);
  }

  .page-chang-jian-wen-ti .faq-answer p {
    font-size: 14px;
  }

  .page-she-qu-gui-ze .rules-section {
    padding: var(--space-3);
  }

  .page-she-qu-gui-ze .rules-section h2 {
    font-size: 18px;
  }

  .page-she-qu-gui-ze .rules-section p,
  .page-she-qu-gui-ze .principle-list li,
  .page-she-qu-gui-ze .principle-detail-list li,
  .page-she-qu-gui-ze .boundary-list li,
  .page-she-qu-gui-ze .workflow-list li,
  .page-she-qu-gui-ze .handling-list li {
    font-size: 14px;
  }

  .page-zhan-wu-fan-kui .step-item {
    padding: var(--space-3);
  }

  .page-zhan-wu-fan-kui .copy-action,
  .page-zhan-wu-fan-kui .note {
    padding: var(--space-3);
  }

  .error-panel {
    padding: var(--space-5);
  }

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