/* ==========================================================================
   妻友视频 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --paper: #F2F0EA;
  --ink: #1E1D1A;
  --graphite: #6A665D;
  --cinnabar: #A14B32;
  --stone: #C9C3B6;
  --paper-raised: #FAF8F3;
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", "Menlo", "Consolas", "Courier New", monospace;
  --shell: 1180px;
  --gap: 48px;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--cinnabar);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.6em;
  letter-spacing: 0;
}

h1 {
  font-size: 42px;
  line-height: 1.2;
}

h2 {
  font-size: 28px;
  line-height: 1.3;
}

h3 {
  font-size: 20px;
  line-height: 1.4;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.35em;
}

li {
  margin-bottom: 0.4em;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
  margin-top: 10px;
}

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--stone);
  position: relative;
  z-index: 20;
}

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

.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  appearance: none;
  background: transparent;
  border: 1px solid var(--stone);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  padding: 10px 14px;
  min-height: 44px;
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.primary-nav li {
  margin: 0;
}

.primary-nav a {
  display: inline-block;
  padding: 6px 0;
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.4;
  border-bottom: 2px solid transparent;
}

.primary-nav a:hover {
  color: var(--ink);
  text-decoration: none;
  border-bottom-color: var(--stone);
}

.primary-nav a.is-current {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.site-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

.inner-main {
  padding-top: 28px;
  padding-bottom: 72px;
}

/* 面包屑 */

.breadcrumb {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
  margin-bottom: 22px;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb li {
  margin: 0;
}

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

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

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

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

/* 页面标题区 */

.page-header {
  margin-bottom: 26px;
}

.page-title {
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1.2;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-kicker,
.page-eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--cinnabar);
  text-transform: none;
  margin: 0 0 10px;
}

.page-lead,
.page-lede {
  font-size: 17px;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 720px;
  margin: 0 0 14px;
}

/* 内页双栏：目录 + 正文 */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  padding-bottom: 64px;
}

.page-layout.sidebar-left {
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
}

.page-layout.sidebar-left > .page-directory,
.page-layout.sidebar-left > .page-aside {
  order: 1;
}

.page-layout.sidebar-left > .site-main,
.page-layout.sidebar-left > .page-body,
.page-layout.sidebar-left > .page-content {
  order: 2;
}

.page-directory,
.page-aside {
  position: sticky;
  top: 24px;
  border-top: 2px solid var(--ink);
  padding-top: 14px;
  font-size: 14px;
  line-height: 1.7;
}

.directory-title,
.aside-title {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--graphite);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-directory ul,
.page-aside ul,
.directory-list,
.aside-toc,
.aside-links {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-directory li,
.page-aside li {
  margin: 0 0 2px;
}

.page-directory a,
.page-aside a,
.directory-list a,
.aside-toc a,
.aside-links a {
  display: block;
  padding: 6px 0;
  color: var(--graphite);
  border-bottom: 1px solid transparent;
}

.page-directory a:hover,
.page-aside a:hover,
.directory-list a:hover,
.aside-toc a:hover,
.aside-links a:hover {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom-color: var(--stone);
}

.page-body,
.page-content {
  min-width: 0;
}

/* 页脚 */

.site-footer {
  background: var(--paper-raised);
  border-top: 1px solid var(--stone);
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px 24px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 32px 28px;
  align-items: start;
}

.footer-brand p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.footer-name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.footer-col h2 {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin: 0 0 6px;
}

.footer-col a {
  color: var(--graphite);
  font-size: 14px;
  line-height: 1.7;
}

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

.footer-col p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.footer-copy {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px 24px 32px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  border-top: 1px solid var(--stone);
}

/* --------------------------------------------------------------------------
   components · 通用组件
   -------------------------------------------------------------------------- */

.btn-primary,
.btn-ghost,
.btn-home {
  display: inline-block;
  padding: 12px 22px;
  min-height: 44px;
  border-radius: 6px;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  background: transparent;
}

.btn-primary {
  background: var(--cinnabar);
  color: var(--paper-raised);
}

.btn-primary:hover,
.btn-ghost:hover,
.btn-home:hover {
  text-decoration: none;
}

.btn-primary:hover {
  background: #8C3F29;
  border-color: #8C3F29;
}

.btn-ghost:hover {
  background: rgba(161, 75, 50, 0.08);
}

.btn-home {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn-home:hover {
  background: #33312C;
  border-color: #33312C;
}

.section-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 720px;
  margin: 0 0 28px;
}

.section-note,
.section-intro {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 20px;
}

.media-figure,
.guide-figure,
.section-figure,
.section-media,
.archive-figure {
  margin: 24px 0 28px;
}

.media-figure img,
.guide-figure img,
.section-figure img,
.section-media img,
.archive-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  background: var(--stone);
}

.related-links {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--stone);
}

.related-links h2 {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--graphite);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.related-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.related-links li {
  margin: 0;
}

.related-links a {
  font-size: 15px;
  line-height: 1.6;
}

.link-arrow {
  font-size: 15px;
  font-weight: 600;
}

/* 状态标签 */

.status-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--stone);
  color: var(--graphite);
  background: var(--paper-raised);
  white-space: nowrap;
}

.status-tag--live {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.status-tag--queue {
  border-color: var(--stone);
  color: var(--graphite);
}

.status-tag--draft {
  border-color: var(--ink);
  color: var(--ink);
}

/* 阅读进度（增强） */

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 30;
  pointer-events: none;
}

.reading-progress-bar {
  display: block;
  width: 0;
  height: 100%;
  background: var(--cinnabar);
}

/* 原生折叠 */

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--stone);
  border-radius: 6px;
  background: var(--paper-raised);
  padding: 0 18px;
}

.faq-item summary {
  cursor: pointer;
  padding: 14px 0;
  min-height: 44px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  font-family: var(--mono);
  color: var(--cinnabar);
}

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

.faq-item p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.home-main {
  padding-top: 40px;
  padding-bottom: 64px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 44px;
  align-items: center;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--stone);
}

.hero-text {
  min-width: 0;
}

.hero-kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cinnabar);
  margin: 0 0 14px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.2;
  margin: 0 0 18px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--graphite);
  margin: 0 0 26px;
}

.hero-actions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions li {
  margin: 0;
}

.hero-media {
  margin: 0;
  min-width: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  background: var(--stone);
}

/* 双路径 */

.dual-path {
  padding: 56px 0;
  border-bottom: 1px solid var(--stone);
}

.dual-path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.path-card {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
  min-width: 0;
}

.path-card h3 {
  font-size: 21px;
  margin: 0 0 10px;
}

.path-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 14px;
}

.path-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.path-card li {
  margin: 0 0 6px;
  padding-left: 16px;
  position: relative;
}

.path-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--cinnabar);
}

.path-card a {
  font-size: 15px;
  line-height: 1.6;
}

/* 本期编排 */

.program-board {
  padding: 56px 0;
  border-bottom: 1px solid var(--stone);
}

.program-current {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  background: var(--paper-raised);
  border: 1px solid var(--stone);
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 32px;
}

.program-current-text {
  min-width: 0;
}

.program-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cinnabar);
  margin: 0 0 8px;
}

.program-current-text h3 {
  font-size: 24px;
  margin: 0 0 10px;
}

.program-current-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.program-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 13px;
  color: var(--graphite);
}

.program-meta li {
  margin: 0;
}

.program-current-media {
  margin: 0;
  min-width: 0;
}

.program-current-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  background: var(--stone);
}

.program-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--stone);
}

.program-timeline > li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  margin: 0;
  border-bottom: 1px solid var(--stone);
}

.program-index {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--cinnabar);
}

.program-item-body {
  min-width: 0;
}

.program-item-body h3 {
  font-size: 18px;
  margin: 0 0 4px;
}

.program-item-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
  margin: 0;
}

.program-timeline > li > a {
  font-size: 14px;
  white-space: nowrap;
}

/* 频道预览 */

.channel-preview {
  padding: 56px 0;
  border-bottom: 1px solid var(--stone);
}

.channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--stone);
}

.channel-list > li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  margin: 0;
  border-bottom: 1px solid var(--stone);
}

.channel-index {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--cinnabar);
}

.channel-body {
  min-width: 0;
}

.channel-body h3 {
  font-size: 18px;
  margin: 0 0 4px;
}

.channel-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
  margin: 0;
}

.channel-list > li > a {
  font-size: 14px;
  white-space: nowrap;
}

/* 专题选展 */

.archive-preview {
  padding: 56px 0;
  border-bottom: 1px solid var(--stone);
}

.archive-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--stone);
}

.archive-feature:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.archive-feature-reverse .archive-feature-media {
  order: 2;
}

.archive-feature-reverse .archive-feature-text {
  order: 1;
}

.archive-feature-media {
  margin: 0;
  min-width: 0;
}

.archive-feature-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px;
  background: var(--stone);
}

.archive-feature-text {
  min-width: 0;
}

.archive-tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cinnabar);
  margin: 0 0 8px;
}

.archive-feature-text h3 {
  font-size: 22px;
  margin: 0 0 10px;
}

.archive-feature-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 12px;
}

.archive-feature-text a {
  font-size: 15px;
  font-weight: 600;
}

/* 浏览步骤 */

.viewing-steps {
  padding: 56px 0;
  border-bottom: 1px solid var(--stone);
}

.steps-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.steps-list > li {
  min-width: 0;
  border-top: 2px solid var(--cinnabar);
  padding-top: 16px;
  margin: 0;
}

.step-index {
  display: block;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cinnabar);
  margin-bottom: 8px;
}

.steps-list h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.steps-list p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0;
}

.steps-more {
  margin: 0;
  font-size: 15px;
}

/* 页面状态与反馈 */

.status-feedback {
  padding: 56px 0;
  border-bottom: 1px solid var(--stone);
}

.status-feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.status-card,
.feedback-card {
  background: var(--paper-raised);
  border: 1px solid var(--stone);
  border-radius: 8px;
  padding: 24px;
  min-width: 0;
}

.status-card h3,
.feedback-card h3 {
  font-size: 20px;
  margin: 0 0 10px;
}

.status-card p,
.feedback-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 12px;
}

.status-card ul,
.feedback-card ul {
  margin: 0 0 14px;
  padding-left: 1.2em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

.status-card li,
.feedback-card li {
  margin: 0 0 4px;
}

.status-card a,
.feedback-card a {
  font-size: 15px;
  font-weight: 600;
}

/* 编辑摘要 */

.editorial-summary {
  padding: 56px 0 0;
}

.editorial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 18px;
}

.editorial-grid article {
  min-width: 0;
  border-left: 2px solid var(--cinnabar);
  padding-left: 18px;
}

.editorial-grid h3 {
  font-size: 19px;
  margin: 0 0 8px;
}

.editorial-grid p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0;
}

.editorial-more {
  margin: 0;
  font-size: 15px;
}

/* --------------------------------------------------------------------------
   pages · 内页通用内容块
   -------------------------------------------------------------------------- */

.content-section,
.content-block {
  margin-bottom: 48px;
  min-width: 0;
}

.content-section h2,
.content-block h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.content-section p,
.content-block p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

.content-section a,
.content-block a {
  color: var(--cinnabar);
}

/* 频道索引页 */

.channel-index-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--stone);
}

.channel-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 20px 0;
  margin: 0;
  border-bottom: 1px solid var(--stone);
}

.channel-num {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--cinnabar);
  line-height: 1.5;
}

.channel-item .channel-body {
  min-width: 0;
}

.channel-item h3 {
  font-size: 19px;
  margin: 0 0 6px;
}

.channel-item .channel-body p {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.channel-link {
  font-size: 14px;
  margin: 0;
}

.topic-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 20px;
}

.topic-map-col {
  min-width: 0;
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.topic-map-col h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

.topic-map-col ul {
  margin: 0;
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.nav-notes-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.nav-notes-list > li {
  margin: 0;
  min-width: 0;
  border-left: 2px solid var(--stone);
  padding-left: 16px;
}

.nav-notes-list h3 {
  font-size: 17px;
  margin: 0 0 6px;
}

.nav-notes-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

/* 专题编排页 */

#current-program.program-current {
  display: block;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  margin-bottom: 48px;
}

#current-program.program-current > h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.program-current-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  background: var(--paper-raised);
  border: 1px solid var(--stone);
  border-radius: 8px;
  padding: 26px;
}

.program-current-text {
  min-width: 0;
}

.program-current-title {
  font-size: 24px;
  margin: 0 0 10px;
}

.program-current-text > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 12px;
}

.program-fields {
  margin: 0 0 14px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
}

.program-fields > div,
.program-fields .program-field {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 10px;
  border-bottom: 1px dashed var(--stone);
  padding-bottom: 4px;
}

.program-fields dt {
  color: var(--graphite);
  margin: 0;
}

.program-fields dd {
  margin: 0;
  color: var(--ink);
}

.program-current-link {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.program-current-figure {
  margin: 0;
  min-width: 0;
}

.program-current-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  background: var(--stone);
}

.program-timeline {
  margin-bottom: 48px;
}

.program-timeline > h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.timeline-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-left: 2px solid var(--stone);
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 0 0 22px 18px;
  margin: 0 0 0 -2px;
  position: relative;
  border-left: 2px solid transparent;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--cinnabar);
}

.timeline-index {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--cinnabar);
  line-height: 1.6;
}

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

.timeline-content h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.timeline-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 6px;
}

.timeline-meta {
  font-size: 13px;
  color: var(--graphite);
  margin: 0;
}

.program-legend {
  margin-bottom: 48px;
}

.program-legend > h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.legend-list {
  margin: 20px 0 24px;
  display: grid;
  gap: 10px;
}

.legend-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  border-bottom: 1px dashed var(--stone);
  padding-bottom: 8px;
}

.legend-item dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
}

.legend-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.legend-rules {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}

.legend-rules h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

.legend-rules ul {
  margin: 0;
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

/* 专题档案页 */

.archive-intro > h2,
.archive-fields > h2,
.archive-list > h2,
.curation-notes > h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.archive-intro,
.archive-fields,
.archive-list,
.curation-notes {
  margin-bottom: 48px;
  min-width: 0;
}

.field-list {
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
}

.field-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  border-bottom: 1px dashed var(--stone);
  padding-bottom: 8px;
}

.field-item dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink);
}

.field-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.archive-entry {
  border-top: 1px solid var(--stone);
  padding: 24px 0;
  min-width: 0;
}

.archive-entry:first-of-type {
  border-top: 2px solid var(--ink);
}

.entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.entry-index {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cinnabar);
  margin: 0;
}

.entry-head h3 {
  font-size: 21px;
  margin: 0;
}

.entry-meta {
  margin: 0 0 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  font-size: 14px;
  color: var(--graphite);
}

.entry-meta > div {
  display: flex;
  gap: 6px;
}

.entry-meta dt {
  margin: 0;
  color: var(--graphite);
}

.entry-meta dd {
  margin: 0;
  color: var(--ink);
}

.entry-summary {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 10px;
}

.entry-link {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 20px;
}

.notes-col {
  min-width: 0;
  border-left: 2px solid var(--cinnabar);
  padding-left: 18px;
}

.notes-col h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.notes-col p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 8px;
}

/* 观看指南页 */

.guide-steps,
.guide-relation,
.guide-boundaries,
.guide-faq {
  margin-bottom: 48px;
  min-width: 0;
}

.guide-steps > h2,
.guide-relation > h2,
.guide-boundaries > h2,
.guide-faq > h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.step-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.step-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin: 0;
  border-top: 2px solid var(--cinnabar);
  padding-top: 14px;
}

.step-num {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--cinnabar);
  line-height: 1.6;
}

.step-body {
  min-width: 0;
}

.step-body h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.step-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0 0 6px;
}

.step-link {
  font-size: 14px;
  margin: 0;
}

.boundary-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.boundary-list > li {
  margin: 0;
  min-width: 0;
  border-left: 2px solid var(--stone);
  padding-left: 16px;
}

.boundary-list h3 {
  font-size: 17px;
  margin: 0 0 6px;
}

.boundary-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

/* 页面状态页 */

.page-shell {
  padding-bottom: 24px;
}

.page-shell .page-title {
  margin-bottom: 20px;
}

.section {
  margin-bottom: 48px;
  min-width: 0;
}

.section > h2 {
  font-size: 26px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--stone);
}

.section > p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

.scope-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.scope-list > li {
  margin: 0;
  min-width: 0;
  background: var(--paper-raised);
  border: 1px solid var(--stone);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.check-steps {
  margin: 20px 0 0;
  padding-left: 1.4em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.check-steps li {
  margin: 0 0 10px;
}

.exception-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--stone);
  border-radius: 6px;
}

.exception-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.7;
  min-width: 480px;
}

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

.exception-table thead th {
  background: var(--paper-raised);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.exception-table tbody tr:last-child td {
  border-bottom: 0;
}

.exception-table td {
  color: var(--graphite);
}

.section-action {
  margin: 0;
  font-size: 15px;
}

/* 问题反馈页 */

.type-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.type-item {
  margin: 0;
  min-width: 0;
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.type-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cinnabar);
  margin: 0 0 6px;
}

.type-item h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.type-item > p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: checklist;
}

.checklist > li {
  margin: 0;
  min-width: 0;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  border-bottom: 1px dashed var(--stone);
  padding-bottom: 10px;
}

.check-no {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cinnabar);
}

.process-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.process-step {
  margin: 0;
  min-width: 0;
  border-left: 2px solid var(--cinnabar);
  padding-left: 16px;
}

.step-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cinnabar);
  margin: 0 0 6px;
}

.process-step h3 {
  font-size: 17px;
  margin: 0 0 6px;
}

.process-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

#not-accepted .boundary-list {
  margin-bottom: 18px;
}

#not-accepted .boundary-list > li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  border-left-color: var(--stone);
  padding-left: 16px;
}

/* 编辑方法页 */

.numbered-list {
  margin: 20px 0 0;
  padding-left: 1.4em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.numbered-list li {
  margin: 0 0 12px;
}

.numbered-list strong,
.rule-list strong,
.check-list strong,
.boundary-list strong,
.step-list strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 4px;
}

.rule-list {
  margin: 20px 0;
  padding-left: 1.3em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.rule-list li {
  margin: 0 0 10px;
}

.check-list {
  margin: 20px 0 0;
  padding-left: 1.3em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.check-list li {
  margin: 0 0 10px;
}

.content-block .boundary-list {
  margin: 20px 0 0;
}

.content-block .boundary-list > li {
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.content-block .step-list {
  margin: 20px 0 0;
  padding-left: 1.4em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
  display: block;
}

.content-block .step-list li {
  margin: 0 0 12px;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  padding-top: 56px;
  padding-bottom: 64px;
}

.error-block {
  border-bottom: 1px solid var(--stone);
  padding-bottom: 32px;
  margin-bottom: 32px;
}

.error-code {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cinnabar);
  margin: 0 0 10px;
}

.error-block h1 {
  font-size: 42px;
  margin: 0 0 14px;
}

.error-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 680px;
  margin: 0;
}

.error-paths {
  margin-bottom: 32px;
}

.error-paths h2 {
  font-size: 24px;
  margin: 0 0 14px;
}

.error-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--stone);
}

.error-path-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 14px 0;
  margin: 0;
  border-bottom: 1px solid var(--stone);
}

.error-path-list a {
  font-size: 16px;
  font-weight: 600;
}

.error-path-list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.error-back,
.error-note {
  margin-bottom: 32px;
}

.error-back h2,
.error-note h2 {
  font-size: 22px;
  margin: 0 0 10px;
}

.error-back p,
.error-note p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 680px;
}

.error-action {
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 12px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .primary-nav {
    flex-basis: 100%;
    display: none;
  }

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

  .primary-nav ul {
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--stone);
    padding-top: 8px;
  }

  .primary-nav a {
    display: block;
    padding: 10px 0;
    min-height: 44px;
    border-bottom: 1px solid var(--stone);
  }

  .primary-nav a.is-current {
    border-bottom-color: var(--cinnabar);
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .program-current {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .program-current-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .archive-feature {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .archive-feature-reverse .archive-feature-media,
  .archive-feature-reverse .archive-feature-text {
    order: initial;
  }

  .steps-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 24px;
  }

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

@media (max-width: 860px) {
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .page-layout.sidebar-left > .page-directory,
  .page-layout.sidebar-left > .page-aside {
    order: 2;
    position: static;
  }

  .page-layout.sidebar-left > .site-main,
  .page-layout.sidebar-left > .page-body,
  .page-layout.sidebar-left > .page-content {
    order: 1;
  }

  .page-directory,
  .page-aside {
    border-top: 1px solid var(--stone);
    padding-top: 18px;
  }

  .page-directory ul,
  .page-aside ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 18px;
  }

  .page-directory a,
  .page-aside a {
    display: inline-block;
    padding: 8px 0;
    min-height: 44px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
    line-height: 1.8;
  }

  .header-inner,
  .site-main,
  .footer-inner,
  .footer-copy {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1,
  .page-title,
  .hero h1,
  .error-block h1 {
    font-size: 30px;
    line-height: 1.25;
  }

  h2,
  .content-section h2,
  .content-block h2,
  .section > h2,
  .guide-steps > h2,
  .guide-relation > h2,
  .guide-boundaries > h2,
  .guide-faq > h2,
  .archive-intro > h2,
  .archive-fields > h2,
  .archive-list > h2,
  .curation-notes > h2,
  #current-program.program-current > h2,
  .program-timeline > h2,
  .program-legend > h2,
  .error-paths h2,
  .error-back h2,
  .error-note h2 {
    font-size: 22px;
    line-height: 1.35;
  }

  .home-main {
    padding-top: 28px;
    padding-bottom: 40px;
  }

  .hero {
    padding-bottom: 36px;
  }

  .dual-path,
  .program-board,
  .channel-preview,
  .archive-preview,
  .viewing-steps,
  .status-feedback,
  .editorial-summary {
    padding-top: 36px;
    padding-bottom: 36px;
  }

  .editorial-summary {
    padding-bottom: 0;
  }

  .dual-path-grid,
  .status-feedback-grid,
  .editorial-grid,
  .topic-map,
  .notes-grid,
  .type-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .steps-list,
  .process-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .program-current {
    padding: 20px;
  }

  .program-current-inner {
    padding: 20px;
  }

  .program-timeline > li,
  .channel-list > li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .program-timeline > li > a,
  .channel-list > li > a {
    grid-column: 2;
    white-space: normal;
  }

  .channel-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .timeline-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .step-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .legend-item,
  .field-item,
  .program-fields > div,
  .program-fields .program-field {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .entry-meta {
    flex-direction: column;
    gap: 4px;
  }

  .checklist > li {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 10px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 32px;
  }

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

  .footer-col a {
    display: inline-block;
    padding: 6px 0;
    min-height: 32px;
  }

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

  .related-links a {
    display: inline-block;
    padding: 8px 0;
    min-height: 44px;
  }

  .exception-table {
    min-width: 420px;
  }

  .error-main {
    padding-top: 32px;
    padding-bottom: 40px;
  }
}

/* 减少动态效果偏好 */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* 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;
  }
}