/* ==========================================================================
   西瓜短剧 · 全站样式表
   数据新闻风 · 浅米灰底 / 深墨文字 / 橙红强调
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base · 基础变量、重置与全局字体
   -------------------------------------------------------------------------- */
:root {
  --color-bg: #f6f4ee;
  --color-ink: #1f2328;
  --color-accent: #e25520;
  --color-blue: #2d6a9f;
  --color-line: #e6e1d6;
  --color-card-bg: #ffffff;
  --color-muted: #6b6f76;
  --color-footer-bg: #1f2328;
  --color-footer-text: #c9cdd3;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;

  --container-width: 1160px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

*, *::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: 16px;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-ink);
}

p {
  margin-bottom: 0.85em;
}

/* --------------------------------------------------------------------------
   Layout · 全站骨架（页头 / 页脚 / 主容器）
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
}

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
  color: var(--color-ink);
}

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

.brand-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 13px;
  color: var(--color-muted);
  border-left: 1px solid var(--color-line);
  padding-left: 10px;
  line-height: 1.4;
}

.site-nav {
  flex: 0 0 auto;
}

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

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-list li a:hover {
  color: var(--color-accent);
  background-color: rgba(226, 85, 32, 0.06);
}

.nav-list li a.is-current {
  color: var(--color-accent);
  font-weight: 600;
  background-color: rgba(226, 85, 32, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

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

/* --- 主内容区 --- */
.site-main {
  flex: 1 0 auto;
}

.home-main {
  width: 100%;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 56px;
  width: 100%;
}

/* --- 面包屑 --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

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

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

.breadcrumb-current {
  color: var(--color-ink);
}

/* --- 内页页面标题区 --- */
.page-header {
  margin-bottom: 28px;
}

.page-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 10px;
}

.page-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 760px;
}

/* --- 页脚 --- */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #9aa0a8;
}

.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

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

.footer-links li a {
  font-size: 14px;
  color: #9aa0a8;
  transition: color var(--transition-fast);
}

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

.boundary-text {
  font-size: 13px;
  line-height: 1.6;
  color: #7d848e;
  border-left: 2px solid rgba(255, 255, 255, 0.18);
  padding-left: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 24px;
  text-align: center;
}

.copyright {
  font-size: 13px;
  color: #7d848e;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Components · 通用组件
   -------------------------------------------------------------------------- */

/* --- 章节标题 --- */
.section-heading {
  margin-bottom: 20px;
}

.section-heading h2,
.section-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.section-heading .section-intro,
.section-desc,
.section-note {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-muted);
  max-width: 720px;
}

/* 带编号的标题（数据新闻风格） */
.section-title::before {
  content: "0" attr(data-index);
  font-family: var(--font-mono);
  font-size: 0.7em;
  color: var(--color-accent);
  margin-right: 8px;
  font-weight: 400;
}

/* --- 筛选 chips --- */
.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  font-size: 14px;
  border: 1px solid var(--color-line);
  border-radius: 24px;
  background-color: var(--color-card-bg);
  color: var(--color-ink);
  transition: all var(--transition-fast);
  min-height: 36px;
}

.filter-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-chip.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

/* --- 文本链接 --- */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* --- 按钮 --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.btn-primary:hover {
  background-color: #c94a18;
  color: #ffffff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  border: 1px solid var(--color-line);
  background-color: transparent;
  color: var(--color-ink);
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- 相关链接导航（首页底部） --- */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-line);
}

.related-links-label {
  font-size: 14px;
  color: var(--color-muted);
  font-weight: 600;
}

.related-links-item {
  font-size: 14px;
  color: var(--color-blue);
  transition: color var(--transition-fast);
}

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

/* --- 图片通用约束 --- */
figure {
  margin: 0;
}

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

figcaption {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
  margin-top: 8px;
}

/* --- 折叠面板 --- */
details summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 30px;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-accent);
  font-weight: 400;
  transition: transform var(--transition-fast);
}

details[open] summary::after {
  content: "−";
}

/* --------------------------------------------------------------------------
   Pages · 首页模块
   -------------------------------------------------------------------------- */

/* --- 首屏场景区 --- */
.hero-scene {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 16px;
}

.hero-copy {
  margin-bottom: 28px;
}

.hero-copy h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 720px;
}

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

.hero-figure img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

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

.scene-card {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  min-height: 140px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(31, 35, 40, 0.06);
  border-color: var(--color-accent);
}

.scene-name {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.scene-desc {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.scene-arrow {
  display: inline-block;
  font-size: 14px;
  color: var(--color-accent);
  font-weight: 500;
}

.scene-arrow::after {
  content: "→";
  margin-left: 4px;
}

/* --- 编辑部说明带 --- */
.editor-note {
  max-width: var(--container-width);
  margin: 24px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.editor-note-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  margin: 0;
}

.boundary-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-muted);
  background-color: rgba(230, 225, 214, 0.35);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  border: 1px solid var(--color-line);
}

/* --- 题材总览区 --- */
.genre-overview {
  max-width: var(--container-width);
  margin: 48px auto 0;
  padding: 0 24px;
}

.genre-filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.genre-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.genre-row {
  display: grid;
  grid-template-columns: 140px 1fr 160px 160px 120px;
  gap: 0;
  background-color: var(--color-card-bg);
  padding: 16px 20px;
  align-items: center;
}

.genre-row:hover {
  background-color: #fbfaf7;
}

.genre-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  padding-right: 16px;
}

.genre-focus {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
  padding-right: 20px;
}

.genre-rhythm {
  font-size: 13px;
  color: var(--color-muted);
  padding-right: 16px;
}

.genre-audience {
  font-size: 13px;
  color: var(--color-muted);
  padding-right: 16px;
}

.genre-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-blue);
}

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

/* --- 编读专题事件区 --- */
.editorial-events {
  max-width: var(--container-width);
  margin: 56px auto 0;
  padding: 0 24px;
}

.editorial-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.editorial-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.editorial-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.editorial-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.editorial-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.editorial-period {
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.editorial-topic {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.editorial-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-blue);
}

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

.editorial-cover img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}

/* --- 收录动态摘要 --- */
.updates-digest {
  max-width: var(--container-width);
  margin: 56px auto 0;
  padding: 0 24px;
}

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

.digest-block {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
}

.digest-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-mono);
}

.digest-item {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-ink);
  margin-bottom: 10px;
}

.digest-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-blue);
}

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

/* --- 看前必懂词 --- */
.term-section {
  max-width: var(--container-width);
  margin: 56px auto 0;
  padding: 0 24px;
}

.term-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.term-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
}

.term-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 10px;
}

.term-def {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.term-detail {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.term-example {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 12px;
}

.term-related {
  font-size: 13px;
  color: var(--color-blue);
}

/* --- 问答与指南入口带 --- */
.faq-guide-strip {
  max-width: var(--container-width);
  margin: 56px auto 0;
  padding: 0 24px 48px;
}

.strip-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 20px;
}

.strip-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.strip-faq {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

.faq-item summary {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
}

.faq-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-top: 10px;
  margin-bottom: 0;
}

.strip-guide {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
}

.guide-prompt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.guide-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  transition: background-color var(--transition-fast);
}

.guide-button:hover {
  background-color: #c94a18;
  color: #ffffff;
}

.guide-secondary {
  display: block;
  font-size: 14px;
  color: var(--color-blue);
}

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

/* --------------------------------------------------------------------------
   Pages · 题材库 genres.html
   -------------------------------------------------------------------------- */
.genres-hero-figure {
  margin-bottom: 32px;
}

.genres-hero-figure img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.genre-filter-section,
.genre-list-section,
.genre-note-section,
.related-links-section {
  margin-bottom: 40px;
}

.genre-table-wrap {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card-bg);
}

.genre-row-head {
  display: grid;
  grid-template-columns: 140px 1fr 180px 180px 130px;
  background-color: #efece4;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-line);
}

.genre-row-head .genre-name,
.genre-row-head .genre-focus,
.genre-row-head .genre-rhythm,
.genre-row-head .genre-audience,
.genre-row-head .genre-entry {
  font-size: 13px;
  color: var(--color-muted);
  padding: 0;
}

.genre-row-head .genre-name {
  font-weight: 600;
}

.genre-row {
  display: grid;
  grid-template-columns: 140px 1fr 180px 180px 130px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-card-bg);
  align-items: start;
}

.genre-row:last-child {
  border-bottom: none;
}

.genre-row:hover {
  background-color: #fbfaf7;
}

.genre-cell {
  padding-right: 16px;
}

.genre-cell:last-child {
  padding-right: 0;
}

.genre-cell h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0;
}

.genre-cell p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
  margin: 0;
}

.genre-cell .genre-entry a {
  font-size: 14px;
  color: var(--color-blue);
  font-weight: 500;
}

.genre-cell .genre-entry a:hover {
  color: var(--color-accent);
}

.note-block {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
}

.note-block p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 10px;
}

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

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

.related-link-card {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

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

.related-link-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.related-link-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Pages · 收录动态 updates.html
   -------------------------------------------------------------------------- */
.page-figure {
  margin-bottom: 32px;
}

.page-figure img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.update-section {
  margin-bottom: 44px;
}

.section-heading-row {
  margin-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 12px;
}

.section-heading-row .section-title {
  margin-bottom: 4px;
}

.release-card-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.release-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  position: relative;
}

.release-card .card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.release-card .card-meta {
  font-size: 13px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  margin-bottom: 10px;
}

.release-card .card-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ink);
  margin-bottom: 0;
}

.release-card .card-content a {
  display: inline-block;
  margin-top: 8px;
  font-weight: 500;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-line);
  margin-right: 8px;
  vertical-align: middle;
}

.status-dot.is-new {
  background-color: #2e8b57;
  box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.15);
}

.adjust-list {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card-bg);
}

.adjust-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}

.adjust-row:last-child {
  border-bottom: none;
}

.adjust-status {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  font-family: var(--font-mono);
  padding-top: 2px;
}

.adjust-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
  margin: 0;
}

.adjust-text a {
  display: inline-block;
  margin-left: 6px;
  font-weight: 500;
}

.history-list {
  display: flex;
  flex-direction: column;
}

.history-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-line);
  align-items: start;
}

.history-row:last-child {
  border-bottom: none;
}

.history-batch {
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  padding-top: 2px;
}

.history-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink);
  margin: 0;
}

.inner-links {
  margin-top: 48px;
  border-top: 1px solid var(--color-line);
  padding-top: 20px;
}

.inner-links-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.inner-links-list {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.inner-links-list li a {
  font-size: 14px;
  color: var(--color-blue);
  font-weight: 500;
}

.inner-links-list li a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Pages · 编读专题 editorials.html
   -------------------------------------------------------------------------- */
.feature-edition-section {
  margin-bottom: 44px;
}

.feature-edition-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.edition-figure img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.edition-content {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
}

.edition-meta {
  font-size: 13px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  margin-bottom: 10px;
}

.edition-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.edition-guide {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.edition-content .text-link {
  margin-top: auto;
}

.edition-list-section,
.editorial-preview-section,
.edition-guide-section {
  margin-bottom: 44px;
}

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

.edition-row-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr 1fr auto;
  gap: 20px;
  align-items: center;
  transition: border-color var(--transition-fast);
}

.edition-row-card:hover {
  border-color: var(--color-accent);
}

.edition-row-field {
  min-width: 0;
}

.edition-row-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.edition-row-tag {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-muted);
  margin: 0;
}

.edition-entry-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-blue);
  white-space: nowrap;
}

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

.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 3px;
  display: block;
}

.field-value {
  font-size: 14px;
  color: var(--color-ink);
}

.preview-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.preview-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.preview-note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

.preview-more {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-muted);
}

.preview-more a {
  margin: 0 8px;
}

.guide-note-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 720px;
}

.guide-note-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   Pages · 观看指南 guide.html（特殊双栏布局）
   -------------------------------------------------------------------------- */
.guide-lead-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.lead-copy {
  padding-right: 8px;
}

.lead-copy .section-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.lead-copy p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
}

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

.lead-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 6px;
}

.verify-steps-section,
.update-patterns-section,
.payment-checklist-section {
  max-width: var(--container-width);
  margin: 48px auto 0;
  padding: 0 24px;
}

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

.step-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  align-items: start;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  font-family: var(--font-mono);
}

.step-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.step-content .check-point {
  font-size: 14px;
  color: var(--color-ink);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  border-left: 3px solid var(--color-blue);
}

.step-content .check-point strong {
  color: var(--color-blue);
  font-weight: 600;
}

.patterns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.pattern-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.pattern-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.pattern-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 10px;
}

.pattern-card .pattern-note {
  font-size: 13px;
  color: var(--color-blue);
  background-color: rgba(45, 106, 159, 0.06);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin: 0;
}

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

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background-color: var(--color-card-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.compare-table caption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: left;
  padding: 8px 0;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  border: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.compare-table thead th {
  background-color: #efece4;
  font-weight: 600;
  color: var(--color-ink);
}

.compare-table tbody th {
  font-weight: 600;
  background-color: #faf9f5;
  white-space: nowrap;
}

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

.checklist-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.checklist-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.checklist-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* --- guide 双栏壳（面包屑与标题在 main 内） --- */
.layout-shell.guide-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.layout-main-content {
  min-width: 0;
}

.layout-sidebar {
  min-width: 0;
}

.guide-sidebar {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  position: sticky;
  top: 96px;
}

.sidebar-block {
  margin-bottom: 24px;
}

.sidebar-block:last-child {
  margin-bottom: 0;
}

.sidebar-block h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

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

.sidebar-links li a {
  display: block;
  font-size: 14px;
  color: var(--color-ink);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.sidebar-links li a:hover {
  color: var(--color-accent);
}

.sidebar-note p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* 快速核对区 */
.quick-check-section {
  margin-top: 32px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.quick-list {
  list-style: decimal;
  padding-left: 20px;
}

.quick-list li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-ink);
  padding: 4px 0;
}

/* --------------------------------------------------------------------------
   Pages · 常见问答 questions.html
   -------------------------------------------------------------------------- */
.qa-lead-figure {
  margin-bottom: 32px;
}

.qa-lead-figure img {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.qa-group {
  margin-bottom: 40px;
}

.qa-group-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

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

.qa-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.qa-item summary {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
}

.qa-answer {
  padding-top: 12px;
}

.qa-answer p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.qa-answer p:last-child {
  margin-bottom: 0;
}

.qa-answer a {
  font-weight: 500;
}

.qa-related {
  margin-top: 48px;
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}

.qa-related-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.qa-related-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.qa-related-list {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.qa-related-list li a {
  font-size: 14px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Pages · 站点说明 statement.html
   -------------------------------------------------------------------------- */
.statement-section {
  margin-bottom: 40px;
}

.statement-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

.statement-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.statement-figure {
  margin-top: 20px;
}

.statement-figure img {
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.statement-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
}

.statement-related {
  margin-top: 48px;
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}

.statement-related h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.statement-related .related-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  border: none;
  max-width: none;
}

.statement-related .related-links li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.statement-related .related-links li a {
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.statement-related .link-note {
  font-size: 13px;
  color: var(--color-muted);
}

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

.error-section {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 28px;
}

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

.error-help {
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Responsive · 响应式断点
   -------------------------------------------------------------------------- */

/* --- 平板 1024px --- */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 20px;
  }

  .inner-main {
    padding: 28px 20px 48px;
  }

  .hero-scene,
  .editor-note,
  .genre-overview,
  .editorial-events,
  .updates-digest,
  .term-section,
  .faq-guide-strip,
  .verify-steps-section,
  .update-patterns-section,
  .payment-checklist-section,
  .layout-shell.guide-layout,
  .guide-lead-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  /* 首页场景卡 2×2 */
  .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 题材表格压缩 */
  .genre-row,
  .genre-row-head {
    grid-template-columns: 110px 1fr 140px 140px 110px;
  }

  .genre-row {
    padding: 14px 16px;
  }

  .genre-row-head {
    padding: 10px 16px;
  }

  /* 编读专题事件 */
  .editorial-layout {
    grid-template-columns: 1fr 260px;
    gap: 24px;
  }

  /* 导览双栏 */
  .layout-shell.guide-layout {
    grid-template-columns: 1fr 260px;
    gap: 28px;
  }

  /* 编读专题行 */
  .edition-row-card {
    grid-template-columns: 1.2fr 1fr 1.2fr 1fr;
    gap: 16px;
  }

  .edition-entry-link {
    grid-column: 4;
    justify-self: end;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
  }

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

/* --- 手机 768px --- */
@media (max-width: 768px) {
  /* 页头 */
  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .brand-name {
    font-size: 20px;
  }

  .brand-tag {
    display: none;
  }

  /* 导航切换 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 8px 16px rgba(31, 35, 40, 0.06);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
  }

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

  .nav-list li a {
    padding: 12px 8px;
    font-size: 16px;
    border-bottom: 1px solid var(--color-line);
    border-radius: 0;
  }

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

  /* 主内容 */
  .inner-main {
    padding: 20px 16px 40px;
  }

  /* 页面标题 */
  .page-title {
    font-size: 28px;
    line-height: 1.35;
  }

  .page-description {
    font-size: 15px;
  }

  .breadcrumb {
    margin-bottom: 16px;
  }

  /* 首页首屏 */
  .hero-scene {
    padding: 28px 16px 12px;
  }

  .hero-copy h1 {
    font-size: 30px;
    line-height: 1.35;
  }

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

  .scene-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .scene-card {
    min-height: auto;
    padding: 16px 18px;
  }

  /* 编辑说明带 */
  .editor-note {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 16px;
    margin-top: 16px;
  }

  /* 首页各 section */
  .genre-overview,
  .editorial-events,
  .updates-digest,
  .term-section,
  .faq-guide-strip {
    padding-left: 16px;
    padding-right: 16px;
    margin-top: 36px;
  }

  .section-heading h2,
  .section-title,
  .strip-title {
    font-size: 24px;
  }

  /* 题材行（首页） */
  .genre-row {
    grid-template-columns: 1fr;
    padding: 14px 16px;
    gap: 4px;
  }

  .genre-name {
    font-size: 17px;
    padding-right: 0;
    margin-bottom: 4px;
  }

  .genre-focus {
    padding-right: 0;
    margin-bottom: 4px;
  }

  .genre-rhythm,
  .genre-audience {
    padding-right: 0;
    font-size: 13px;
  }

  .genre-link {
    margin-top: 6px;
  }

  /* 编读专题事件 */
  .editorial-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  /* 收录动态摘要 */
  .digest-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 术语 */
  .term-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 问答与指南入口 */
  .strip-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 36px 16px 24px;
  }

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

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

  .footer-bottom {
    padding: 16px;
  }

  /* --- 题材库 genres --- */
  .genres-hero-figure {
    margin-bottom: 20px;
  }

  .genre-filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 16px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-chip {
    flex-shrink: 0;
    padding: 6px 14px;
    font-size: 13px;
  }

  .genre-row-head {
    display: none;
  }

  .genre-row {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 6px;
  }

  .genre-cell {
    padding-right: 0;
  }

  .genre-cell h3 {
    font-size: 17px;
  }

  .genre-cell p {
    font-size: 14px;
  }

  .related-links-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* --- 收录动态 updates --- */
  .release-card-group {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .adjust-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 14px;
  }

  .history-row {
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 10px 0;
  }

  .inner-links-list {
    flex-direction: column;
    gap: 10px;
  }

  /* --- 编读专题 editorials --- */
  .feature-edition-card {
    grid-template-columns: 1fr;
  }

  .edition-figure img {
    max-height: 200px;
  }

  .edition-content {
    padding: 20px;
  }

  .edition-row-card {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px;
  }

  .edition-entry-link {
    grid-column: auto;
  }

  .preview-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* --- 观看指南 guide --- */
  .guide-lead-section {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 16px 0;
  }

  .lead-copy .section-title {
    font-size: 28px;
    line-height: 1.35;
  }

  .verify-steps-section,
  .update-patterns-section,
  .payment-checklist-section {
    padding-left: 16px;
    padding-right: 16px;
    margin-top: 32px;
  }

  .step-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .patterns-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .compare-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

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

  /* guide 双栏：侧栏退到主内容之后 */
  .layout-shell.guide-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 0 16px 40px;
  }

  .guide-sidebar {
    position: static;
  }

  .quick-check-section {
    margin-top: 24px;
    padding: 18px;
  }

  /* --- 常见问答 questions --- */
  .qa-lead-figure {
    margin-bottom: 20px;
  }

  .qa-group-title {
    font-size: 20px;
  }

  .qa-item summary {
    font-size: 15px;
  }

  .qa-related-list {
    flex-direction: column;
    gap: 10px;
  }

  /* --- 站点说明 statement --- */
  .statement-section h2 {
    font-size: 20px;
  }

  .statement-related .related-links li {
    flex-direction: column;
    gap: 2px;
  }

  /* --- 404 --- */
  .error-code {
    font-size: 56px;
  }

  .error-title {
    font-size: 22px;
  }

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

  .error-actions .btn-primary,
  .error-actions .btn-secondary {
    width: 100%;
    max-width: 280px;
  }

  /* --- 相关链接（首页底部） --- */
  .related-links {
    padding: 16px;
    gap: 12px;
  }
}

/* --- 小屏 390px 微调 --- */
@media (max-width: 390px) {
  .hero-copy h1 {
    font-size: 26px;
  }

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

  .section-heading h2,
  .section-title,
  .strip-title {
    font-size: 22px;
  }

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

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

  .footer-boundary {
    grid-column: auto;
  }
}