/* ==========================================================================
   51黑料论坛 全站样式表
   知识库风：稳定目录、正文宽度受控、术语与状态用色明确
   配色：深蓝灰基底、琥珀强调、语义色徽标
   ========================================================================== */

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

:root {
  --color-bg: #f6f7f9;
  --color-text: #24292f;
  --color-heading: #1f2933;
  --color-primary: #1f3a5f;
  --color-primary-light: #2c4d7a;
  --color-primary-bg: #e8edf3;
  --color-accent: #d97706;
  --color-accent-bg: #fdf0dd;
  --color-border: #d9dee3;
  --color-border-light: #e6eaee;
  --color-muted: #5b6470;
  --color-muted-light: #8a929c;
  --color-hot: #cf3f2e;
  --color-hot-bg: #fbeae7;
  --color-new: #1f7a3d;
  --color-new-bg: #e6f3ea;
  --color-white: #ffffff;
  --color-footer-bg: #f1f3f5;

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  --container-width: 1200px;
  --content-width: 720px;
  --sidebar-width: 260px;

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

  --shadow-card: 0 1px 2px rgba(31, 42, 55, 0.04), 0 1px 6px rgba(31, 42, 55, 0.06);
  --shadow-hover: 0 2px 4px rgba(31, 42, 55, 0.06), 0 4px 12px rgba(31, 42, 55, 0.09);

  --header-height: 60px;
  --space-section: 56px;
  --space-section-sm: 36px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  object-fit: cover;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-heading);
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.375rem;
}

h3 {
  font-size: 1.125rem;
}

h4 {
  font-size: 1rem;
}

p {
  margin-bottom: 0.75rem;
}

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

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

/* ==========================================================================
   Layout —— 全站骨架：页头、页脚、内容容器、双栏布局
   ========================================================================== */

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

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

/* ---------- 页头 ---------- */

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

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

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand:hover {
  color: var(--color-accent);
}

/* ---------- 主导航 ---------- */

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

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 6px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: var(--radius-md);
  line-height: 1.5;
  transition: color 0.15s ease, background-color 0.15s ease;
}

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

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

/* 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-md);
  align-items: center;
  flex: 0 0 auto;
}

.nav-toggle .toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 页脚 ---------- */

.site-footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border-light);
  margin-top: 0;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}

.footer-col h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 14px;
}

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

.footer-col ul a {
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

.footer-brand .footer-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-block;
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 280px;
}

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

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
  margin: 0;
}

/* ---------- 内页双栏布局 ---------- */

.page-layout,
.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 28px 24px 56px;
  width: 100%;
}

/* 默认右侧栏：主内容在前、aside 在后 */
.page-layout:not(.sidebar-left),
.layout-shell:not(.sidebar-left) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: 40px;
  align-items: start;
}

/* 左侧栏：aside 在前、main 在后 */
.page-layout.sidebar-left,
.layout-shell.sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

/* 若 sidebar-left 在祖先上，body 作为布局容器 */
body.sidebar-left {
  display: flex;
  flex-direction: column;
}

body.sidebar-left .site-main,
body.sidebar-left .page-layout,
body.sidebar-left .layout-shell {
  width: 100%;
}

.inner-main {
  min-width: 0;
  max-width: 100%;
}

/* 正文容器宽度受控 */
.inner-main > * {
  max-width: var(--content-width);
}

/* 正文内嵌表格、代码块等允许略宽 */
.inner-main .table-wrap,
.inner-main figure,
.inner-main .content-figure,
.inner-main .page-lead-image,
.inner-main .page-media {
  max-width: 100%;
}

/* ---------- 面包屑 ---------- */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 18px;
}

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

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

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

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

/* ---------- 页面标题区 ---------- */

.page-header {
  margin-bottom: 28px;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.3;
  margin-bottom: 10px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 640px;
}

/* ---------- 侧栏 ---------- */

.sidebar,
.sidebar-index {
  min-width: 0;
}

.sidebar-inner {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 16px;
}

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

.sidebar-group-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  padding: 0 4px;
}

.sidebar-list,
.sidebar-links {
  border-left: 2px solid var(--color-border-light);
  margin-left: 4px;
  padding-left: 12px;
}

.sidebar-list li,
.sidebar-links li {
  margin-bottom: 2px;
}

.sidebar-list a,
.sidebar-links a {
  display: block;
  padding: 6px 10px;
  font-size: 0.875rem;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

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

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

/* 侧栏导航（boards / docs 特有） */

.sidebar-nav .sidebar-title {
  margin-bottom: 12px;
}

.sidebar-nav .sidebar-list {
  border-left: none;
  margin-left: 0;
  padding-left: 0;
}

.sidebar-nav .sidebar-item {
  margin-bottom: 2px;
}

.sidebar-nav .sidebar-item a {
  display: block;
  padding: 7px 10px;
  font-size: 0.875rem;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
}

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

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

/* docs 页侧栏手风琴（is-open） */

.sidebar-index .sidebar-group {
  margin-bottom: 4px;
}

.sidebar-index .sidebar-group-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-heading);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 0;
}

.sidebar-index .sidebar-group.is-open .sidebar-group-title {
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
}

.sidebar-index .sidebar-list {
  border-left: none;
  margin-left: 0;
  padding-left: 0;
}

.sidebar-index .sidebar-item a {
  padding-left: 22px;
  font-size: 0.875rem;
}

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

/* ---------- 区块标题 ---------- */

.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 8px;
  line-height: 1.4;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 640px;
}

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

.section-heading .section-title {
  margin-bottom: 6px;
}

.section-heading .section-desc {
  margin-bottom: 0;
}

.section-lead {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 640px;
}

/* ---------- 徽标 ---------- */

.badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  line-height: 1.5;
  white-space: nowrap;
}

.hot-badge,
.status-hot {
  background-color: var(--color-hot-bg);
  color: var(--color-hot);
}

.new-badge,
.status-new {
  background-color: var(--color-new-bg);
  color: var(--color-new);
}

/* ---------- 相关链接 ---------- */

.related-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-light);
}

.related-links .section-title,
.related-links h2 {
  font-size: 1.125rem;
  margin-bottom: 14px;
}

.related-links p {
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.related-links a {
  font-weight: 500;
}

.related-links-label {
  font-weight: 600;
  color: var(--color-heading);
  margin-right: 12px;
  font-size: 0.9375rem;
}

.related-links-item {
  display: inline-block;
  margin-right: 16px;
  font-size: 0.9375rem;
  color: var(--color-primary);
}

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

/* ---------- 图片与说明 ---------- */

figure {
  margin: 24px 0;
}

figure img {
  width: 100%;
  border-radius: var(--radius-lg);
}

figcaption {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
  text-align: center;
  padding: 8px 12px 0;
  line-height: 1.5;
}

/* ---------- 按钮 ---------- */

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  line-height: 1.5;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

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

.home-main {
  width: 100%;
}

/* ---------- Hero 焦点区 ---------- */

.hero-focus {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-primary);
}

.hero-focus > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
  width: 100%;
}

.hero-content h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 12px;
  max-width: 640px;
}

.hero-slogan {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 560px;
  margin-bottom: 28px;
  line-height: 1.6;
}

.quick-entry {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.entry-btn {
  display: inline-block;
  padding: 10px 22px;
  font-size: 0.9375rem;
  font-weight: 600;
  background-color: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  line-height: 1.5;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.entry-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* 首页内容图（hero 配图） */

.content-media-primary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.content-media-primary img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-top: -40px;
  position: relative;
  z-index: 3;
  box-shadow: var(--shadow-card);
}

/* ---------- 定位与原则条 ---------- */

.principle-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.principle-text .section-title {
  font-size: 1.375rem;
  margin-bottom: 10px;
}

.principle-text p {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

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

.principle-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  line-height: 1.6;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.principle-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  margin-top: 8px;
}

.principle-list strong {
  color: var(--color-heading);
  font-weight: 600;
  display: block;
  font-size: 0.9375rem;
}

/* ---------- 版块网格 ---------- */

.board-grid-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.board-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.board-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-border);
}

.board-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.board-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
}

.board-card p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
  flex: 1;
}

.board-scope {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
  line-height: 1.5;
}

/* ---------- 热议现场预览 ---------- */

.hot-preview-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.hot-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hot-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.hot-item:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.hot-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
}

.hot-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

.hot-link:hover .hot-title {
  color: var(--color-primary);
}

.hot-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.hot-meta .badge {
  font-size: 0.75rem;
}

.more-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary);
}

.more-link:hover {
  color: var(--color-accent);
}

/* ---------- 参与流程纵线 ---------- */

.process-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 720px;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.process-step:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

/* 首页流程步骤编号 —— 限定在 .process-step 内，避免污染内页 */
.process-step .step-num {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.0625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

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

.step-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.step-content a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

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

/* ---------- 文档与帮助入口带 ---------- */

.docs-entry-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.docs-entry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.docs-entry-card {
  display: block;
  padding: 18px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.docs-entry-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  border-color: var(--color-border);
}

.docs-entry-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 4px;
}

.docs-entry-card p {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
  margin: 0;
}

.guide-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary);
}

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

/* ==========================================================================
   Pages —— 版块目录 boards.html
   ========================================================================== */

.page-boards .inner-main > * {
  max-width: var(--content-width);
}

/* 版块分组索引 */

.group-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.group-card {
  padding: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.group-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 10px;
}

.group-links li {
  margin-bottom: 4px;
}

.group-links a {
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

/* 版块条目列表 */

.board-group-block {
  margin-bottom: 36px;
}

.group-heading {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 16px;
}

.board-item {
  padding: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
}

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

.board-code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  background-color: var(--color-accent-bg);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  flex: 0 0 auto;
}

.board-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-heading);
}

.board-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.board-scope {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.board-scope strong {
  color: var(--color-heading);
  font-weight: 600;
}

.board-adjacent {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
  line-height: 1.5;
}

.board-adjacent strong {
  color: var(--color-muted);
  font-weight: 600;
  margin-right: 6px;
}

.board-adjacent a {
  color: var(--color-primary);
  margin-right: 10px;
  font-size: 0.8125rem;
}

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

/* 版块配图 */

.board-figure {
  max-width: 100%;
}

.board-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Pages —— 热议现场 hot.html
   ========================================================================== */

.page-hot .inner-main > * {
  max-width: var(--content-width);
}

.content-body {
  max-width: 100%;
}

/* 页首配图 */

.page-lead-image img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* 话题主题标签 */

.topic-tags {
  margin: 28px 0 24px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list a {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
  border-radius: 999px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.tag-list a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 话题分组 */

.topic-group {
  margin-bottom: 36px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.topic-group .section-title {
  font-size: 1.1875rem;
  margin-bottom: 16px;
}

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

.topic-card {
  padding: 16px 18px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.topic-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.topic-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
  line-height: 1.5;
}

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

.topic-summary {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.topic-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topic-board {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
}

.topic-status {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  line-height: 1.5;
}

.topic-info {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
}

/* 条数步进器 */

.list-control {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin: 24px 0;
  flex-wrap: wrap;
}

.control-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-right: 4px;
}

.step-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  color: var(--color-primary);
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.step-btn:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.step-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.step-count {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-heading);
  min-width: 32px;
  text-align: center;
}

.control-hint {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
}

/* 参与提示 */

.join-tip {
  padding: 20px;
  background-color: var(--color-accent-bg);
  border: 1px solid #f0dcb8;
  border-radius: var(--radius-md);
  margin: 28px 0;
}

.join-tip .section-title {
  font-size: 1.125rem;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.join-tip p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.join-tip a {
  font-weight: 500;
  color: var(--color-primary);
}

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

/* ==========================================================================
   Pages —— 成员指引 members.html
   ========================================================================== */

.page-members .inner-main > * {
  max-width: var(--content-width);
}

.content-section {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

/* 角色卡片 */

.role-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 12px;
}

.role-card {
  padding: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.role-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-card);
}

.role-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.role-badge {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.role-member {
  background-color: var(--color-new);
}

.role-moderator {
  background-color: var(--color-accent);
}

.role-admin {
  background-color: var(--color-primary);
}

.role-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-heading);
}

.role-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.role-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.role-list li {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
  padding-left: 14px;
  position: relative;
}

.role-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-border);
}

/* 资料字段表 */

.content-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
}

.table-wrap {
  overflow-x: auto;
  margin: 20px 0;
}

.profile-table {
  width: 100%;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.profile-table th,
.profile-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.875rem;
  line-height: 1.6;
}

.profile-table th {
  background-color: var(--color-primary-bg);
  font-weight: 600;
  color: var(--color-primary);
  width: 30%;
}

.profile-table td {
  color: var(--color-text);
}

.profile-table tr:last-child th,
.profile-table tr:last-child td {
  border-bottom: none;
}

/* 互动边界 */

.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.boundary-item {
  padding: 18px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.boundary-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
}

.boundary-item p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

.boundary-note {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.boundary-note a {
  font-weight: 500;
}

/* 相关卡片 */

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.related-card {
  display: block;
  padding: 18px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.related-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  border-color: var(--color-border);
}

.related-name {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 4px;
}

.related-card:hover .related-name {
  color: var(--color-primary);
}

.related-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Pages —— 参会指南 guide.html
   ========================================================================== */

.page-guide .inner-main > * {
  max-width: var(--content-width);
}

.guide-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* 快速操作入口 */

.quick-links {
  margin: 24px 0 32px;
}

.quick-links h2 {
  font-size: 1.125rem;
  margin-bottom: 14px;
}

.quick-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-link-list a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.quick-link-list a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 步骤块 */

.guide-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-light);
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.guide-step:last-of-type {
  border-bottom: none;
}

/* 步骤编号 —— 限定在 .guide-step 内，避免与首页 .process-step 冲突 */
.guide-step .step-number {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

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

.guide-step .step-content h2 {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.guide-step .step-content p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 6px;
}

/* FAQ */

.guide-faq {
  margin-top: 32px;
}

.guide-faq > h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.guide-faq details {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  margin-bottom: 10px;
  overflow: hidden;
}

.guide-faq summary {
  padding: 14px 18px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-heading);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
  transition: color 0.15s ease;
}

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

.guide-faq summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--color-muted);
  transition: transform 0.2s ease;
}

.guide-faq details[open] summary::after {
  content: "−";
  color: var(--color-accent);
}

.guide-faq summary:hover {
  color: var(--color-primary);
}

.guide-faq details p {
  padding: 0 18px 14px;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
}

/* ==========================================================================
   Pages —— 社区文档 docs.html
   ========================================================================== */

.page-docs .inner-main > * {
  max-width: var(--content-width);
}

.page-media img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* 文档分组目录 */

.docs-index {
  margin: 24px 0 32px;
  padding: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.docs-index h2 {
  font-size: 1.0625rem;
  margin-bottom: 14px;
}

.docs-group-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.docs-group-list li a {
  display: block;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.docs-group-list li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 文档章节 */

.docs-section {
  margin-bottom: 36px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.docs-section > h2 {
  font-size: 1.25rem;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 18px;
}

.doc-entry {
  padding: 18px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.doc-entry h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
}

.doc-entry p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 4px;
}

.doc-entry p:last-child {
  margin-bottom: 0;
}

/* 查阅提示 */

.docs-tip {
  padding: 20px;
  background-color: var(--color-accent-bg);
  border: 1px solid #f0dcb8;
  border-radius: var(--radius-md);
  margin-top: 28px;
}

.docs-tip h2 {
  font-size: 1.125rem;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.docs-tip p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 4px;
}

/* ==========================================================================
   Pages —— 404 错误页
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1 0 auto;
}

.error-panel {
  max-width: 520px;
  width: 100%;
  text-align: center;
  padding: 40px 32px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 12px;
}

.error-panel h1 {
  font-size: 1.375rem;
  margin-bottom: 10px;
}

.error-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

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

.error-help {
  font-size: 0.8125rem;
  color: var(--color-muted-light);
}

.error-help a {
  color: var(--color-primary);
  margin: 0 4px;
}

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

/* ==========================================================================
   Responsive —— 响应式断点
   统一断点：992px、768px
   ========================================================================== */

/* ---------- 992px 以下 ---------- */

@media (max-width: 992px) {
  /* 内页双栏：侧栏宽度收窄 */
  .page-layout.sidebar-left,
  .layout-shell.sidebar-left,
  .page-layout:not(.sidebar-left),
  .layout-shell:not(.sidebar-left) {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
  }

  /* 首页版块网格两列 */
  .board-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* 文档入口四列变两列 */
  .docs-entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* 角色卡片三列变一列 */
  .role-cards {
    grid-template-columns: 1fr;
  }

  /* 页脚两列 */
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 768px 以下 ---------- */

@media (max-width: 768px) {
  :root {
    --space-section: 36px;
    --space-section-sm: 28px;
  }

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

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
  }

  /* 导航列表默认收起 */
  .site-nav .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 2px;
    box-shadow: 0 8px 16px rgba(31, 42, 55, 0.08);
  }

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

  .nav-list a {
    padding: 12px 14px;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  .site-nav {
    position: static;
  }

  /* 内页双栏：侧栏变为横向标签，放在正文之后 */
  .page-layout.sidebar-left,
  .layout-shell.sidebar-left,
  .page-layout:not(.sidebar-left),
  .layout-shell:not(.sidebar-left) {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 20px 16px 40px;
  }

  /* 侧栏在正文之后 */
  .sidebar,
  .sidebar-index {
    order: 2;
    width: 100%;
  }

  .inner-main {
    order: 1;
    width: 100%;
  }

  /* 侧栏内部改为横向滚动标签 */
  .sidebar-inner {
    position: static;
  }

  .sidebar-title {
    margin-bottom: 10px;
  }

  .sidebar-list,
  .sidebar-links,
  .sidebar-nav .sidebar-list,
  .sidebar-index .sidebar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    border-left: none;
    margin-left: 0;
    padding-left: 0;
  }

  .sidebar-list li,
  .sidebar-links li,
  .sidebar-nav .sidebar-item,
  .sidebar-index .sidebar-item {
    margin-bottom: 0;
  }

  .sidebar-list a,
  .sidebar-links a,
  .sidebar-nav .sidebar-item a,
  .sidebar-index .sidebar-item a {
    padding: 6px 12px;
    font-size: 0.8125rem;
    border-radius: 999px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border-light);
    white-space: nowrap;
  }

  .sidebar-list a.is-current,
  .sidebar-links a.is-current,
  .sidebar-nav .sidebar-item a.is-current {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
  }

  /* 侧栏分组标题在移动端折叠为一行 */
  .sidebar-group {
    margin-bottom: 12px;
  }

  .sidebar-group-title {
    padding: 0;
    margin-bottom: 6px;
  }

  .sidebar-index .sidebar-group-title {
    padding: 0;
    margin-bottom: 6px;
    background: none;
  }

  /* 首页 hero */
  .hero-focus {
    min-height: 360px;
  }

  .hero-content {
    padding: 48px 16px;
  }

  .hero-content h1 {
    font-size: 1.625rem;
  }

  .hero-slogan {
    font-size: 1rem;
  }

  .quick-entry {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .entry-btn {
    text-align: center;
  }

  /* 定位与原则条改为单列 */
  .principle-strip {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 16px;
  }

  /* 首页各 section 内边距收窄 */
  .board-grid-section,
  .hot-preview-section,
  .process-section,
  .docs-entry-section {
    padding: 32px 16px;
  }

  /* 版块网格单列 */
  .board-grid {
    grid-template-columns: 1fr;
  }

  /* 热议条目纵向排列 */
  .hot-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hot-meta {
    width: 100%;
    justify-content: flex-start;
  }

  /* 流程步骤保持横排 */
  .process-step {
    gap: 14px;
  }

  /* 文档入口单列 */
  .docs-entry-grid {
    grid-template-columns: 1fr;
  }

  /* 页脚单列 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .footer-bottom {
    padding: 14px 16px;
  }

  /* 版块分组索引单列 */
  .group-index {
    grid-template-columns: 1fr;
  }

  /* 文档分组目录单列 */
  .docs-group-list {
    grid-template-columns: 1fr;
  }

  /* 相关卡片单列 */
  .related-grid {
    grid-template-columns: 1fr;
  }

  /* 步骤编号缩小 */
  .guide-step .step-number {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .guide-step {
    gap: 14px;
  }

  /* 页面标题字号 */
  .page-title {
    font-size: 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  /* 表格横向滚动 */
  .table-wrap {
    -webkit-overflow-scrolling: touch;
  }

  /* 错误页 */
  .error-main {
    padding: 48px 16px;
  }

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

/* ---------- 480px 以下微调 ---------- */

@media (max-width: 480px) {
  .hero-focus {
    min-height: 320px;
  }

  .hero-content h1 {
    font-size: 1.375rem;
  }

  .hero-slogan {
    font-size: 0.9375rem;
  }

  .process-step .step-num {
    width: 32px;
    height: 32px;
    font-size: 0.9375rem;
  }

  .process-step {
    gap: 12px;
    padding: 16px;
  }

  .step-content h3 {
    font-size: 1rem;
  }

  .step-content p {
    font-size: 0.875rem;
  }

  .board-card {
    padding: 16px;
  }

  .hot-link {
    padding: 12px 14px;
  }

  .list-control {
    gap: 8px;
  }

  .control-hint {
    width: 100%;
  }

  .role-card {
    padding: 16px;
  }

  .boundary-item {
    padding: 14px 16px;
  }

  .doc-entry {
    padding: 14px 16px;
  }

  .guide-step {
    padding: 20px 0;
  }
}

/* 程序验收反馈：移动端正文优先 */
@media (max-width: 768px) {
  .site-main :is(.page-content, .main-content, .content-main) {
    order: 1;
  }

  .site-main :is(aside, .sidebar) {
    order: 2;
  }
}