/* ============================================================
   base — 基础变量与全局重置
   ============================================================ */
:root {
  --color-bg: #f7fafc;
  --color-text: #0f172a;
  --color-heading: #164e63;
  --color-blue: #0ea5e9;
  --color-green: #34d399;
  --color-gray: #94a3b8;
  --color-border: #e2e8f0;
  --color-card-bg: #ffffff;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", SFMono-Regular, Consolas, monospace;
  --container-width: 1120px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 650;
  line-height: 1.4;
  color: var(--color-text);
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ============================================================
   layout — 全站骨架容器
   ============================================================ */

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-2);
}

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

.brand-name {
  font-size: 20px;
  font-weight: 650;
  color: var(--color-heading);
  letter-spacing: 0.01em;
}

/* 主导航 */
.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-list a {
  display: block;
  font-size: 15px;
  color: var(--color-text);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  line-height: 1.6;
}

.nav-list a:hover {
  color: var(--color-blue);
}

.nav-list a.is-current {
  color: var(--color-blue);
  font-weight: 650;
  border-bottom-color: var(--color-blue);
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  align-items: center;
}

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

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

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

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

/* 主内容容器 */
.site-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-6);
}

/* 页脚 */
.site-footer {
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-5);
}

.footer-columns {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-3);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-4);
}

.footer-brand {
  font-size: 18px;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
}

.footer-desc {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

.footer-heading {
  font-size: 14px;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
}

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

.footer-col ul a {
  font-size: 14px;
  color: #475569;
  line-height: 1.6;
}

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

.footer-note p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  text-align: center;
}

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

/* ============================================================
   components — 通用组件
   ============================================================ */

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  margin-bottom: var(--space-2);
  color: var(--color-gray);
}

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

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

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

.breadcrumb-current {
  color: #475569;
}

/* 页面标题区 */
.page-header {
  margin-bottom: var(--space-4);
}

.page-title {
  font-size: 32px;
  font-weight: 650;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.35;
}

.page-description {
  font-size: 16px;
  color: #475569;
  max-width: 720px;
  line-height: 1.75;
}

/* 区块标题 */
.section-title {
  font-size: 20px;
  font-weight: 650;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

/* 主按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-heading);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-heading);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  min-height: 44px;
}

.btn-primary:hover {
  background-color: var(--color-blue);
  border-color: var(--color-blue);
  color: #ffffff;
}

/* 次级按钮 */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: var(--color-heading);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-heading);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  min-height: 44px;
}

.btn-secondary:hover {
  background-color: var(--color-heading);
  color: #ffffff;
}

/* ============================================================
   layout — 内页侧栏系统
   ============================================================ */

/* changci / guize：layout-shell 包裹 main + aside */
.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-6);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.layout-shell > .site-main.inner-main {
  flex: 1;
  min-width: 0;
  padding: 0;
  margin: 0;
  max-width: none;
}

.layout-shell > .sidebar-area {
  width: 270px;
  flex-shrink: 0;
}

/* zhenrong / jilu / bianjie：layout-shell 内 main + aside.page-aside */
.layout-shell > .page-aside,
.layout-shell > .inner-sidebar {
  width: 270px;
  flex-shrink: 0;
}

/* ciyu / jilu：page-layout 包裹 main + aside */
.page-layout {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.page-layout > .site-main.inner-main {
  flex: 1;
  min-width: 0;
}

.page-layout > .sidebar-area,
.page-layout > .page-aside {
  width: 270px;
  flex-shrink: 0;
}

/* 侧栏内部 */
.sidebar-inner,
.aside-inner {
  position: sticky;
  top: 80px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.sidebar-title,
.aside-heading,
.aside-title,
.sidebar-heading {
  font-size: 14px;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-list,
.aside-anchor-list,
.aside-nav ul,
.sidebar-nav ul,
.sidebar-links {
  margin-bottom: var(--space-3);
}

.sidebar-list li,
.aside-anchor-list li,
.aside-nav ul li,
.sidebar-nav ul li,
.sidebar-links li {
  margin-bottom: 4px;
}

.sidebar-list a,
.aside-anchor-list a,
.aside-nav ul a,
.sidebar-nav ul a,
.sidebar-links a {
  display: block;
  font-size: 14px;
  padding: 5px 0;
  color: #475569;
  border-left: 2px solid transparent;
  padding-left: var(--space-2);
  line-height: 1.5;
}

.sidebar-list a:hover,
.aside-anchor-list a:hover,
.aside-nav ul a:hover,
.sidebar-nav ul a:hover,
.sidebar-links a:hover {
  color: var(--color-blue);
  border-left-color: var(--color-blue);
}

/* 侧栏内相关入口区块间距 */
.sidebar-related,
.aside-related,
.related-links {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   components — 首页各区块
   ============================================================ */

/* 场次状态条 */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  gap: var(--space-2);
  flex-wrap: wrap;
}

.status-batch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
}

.status-batch .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-heading);
  background-color: #ecfeff;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.status-hint {
  font-size: 13px;
  color: var(--color-gray);
}

/* 首屏两栏 */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
  margin-bottom: var(--space-5);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.home-title {
  font-size: 30px;
  font-weight: 650;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.hero-lead {
  font-size: 16px;
  color: #475569;
  line-height: 1.8;
}

.hero-note {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
}

.hero-copy .btn-primary {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.hero-media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.08);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-media figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.92);
  padding: 8px 16px;
  font-size: 13px;
  color: #475569;
  border-top: 1px solid var(--color-border);
}

/* 频道标签行 */
.channel-tags {
  margin-bottom: var(--space-5);
}

.channel-tag-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.tag-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tag-item:hover {
  border-color: var(--color-blue);
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.12);
}

.tag-name {
  font-size: 16px;
  font-weight: 650;
  color: var(--color-text);
}

.tag-desc {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
}

/* 当前场次三卡 */
.featured-episodes {
  margin-bottom: var(--space-5);
}

.episode-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

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

.episode-card:hover {
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}

.episode-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-content {
  padding: var(--space-2) var(--space-3) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--color-gray);
}

.card-meta .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-heading);
  background-color: #ecfeff;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
}

.card-title {
  font-size: 17px;
  font-weight: 650;
  color: var(--color-text);
  margin: 0;
}

.card-desc {
  font-size: 14px;
  color: #475569;
  line-height: 1.65;
  flex: 1;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
  display: inline-block;
  margin-top: 4px;
}

.card-link:hover {
  color: var(--color-blue);
}

/* 三步读法 */
.reading-steps {
  margin-bottom: var(--space-5);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-3);
}

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

.step-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-blue);
}

.step-title {
  font-size: 16px;
  font-weight: 650;
  color: var(--color-text);
}

.step-desc {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

.step-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
  margin-top: 4px;
}

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

/* 三入口窄带 */
.quick-links {
  margin-bottom: var(--space-5);
}

.quick-link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.quick-link-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  transition: border-color 0.2s ease;
}

.quick-link-item:hover {
  border-color: var(--color-blue);
}

.ql-title {
  font-size: 15px;
  font-weight: 650;
  color: var(--color-text);
}

.ql-desc {
  font-size: 13px;
  color: var(--color-gray);
}

/* ============================================================
   components — 内页通用区块
   ============================================================ */

/* 内容区块通用间距 */
.section-block {
  margin-bottom: var(--space-5);
}

.content-section {
  margin-bottom: var(--space-5);
}

/* 图注 */
figcaption {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
  padding-top: var(--space-1);
}

/* ============================================================
   pages — 场次表 changci
   ============================================================ */

.reading-guide {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}

.reading-guide p {
  font-size: 15px;
  color: #475569;
  line-height: 1.8;
}

.reading-guide strong {
  color: var(--color-text);
  font-weight: 600;
}

/* 当前批次置顶卡 */
.batch-status-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  border-left: 4px solid var(--color-blue);
}

.batch-status-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-live {
  background-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.2);
}

.batch-label {
  font-size: 18px;
  font-weight: 650;
  color: var(--color-text);
}

.batch-code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-heading);
  background-color: #ecfeff;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.batch-desc {
  font-size: 15px;
  color: #475569;
  line-height: 1.75;
  margin-bottom: var(--space-2);
}

.batch-meta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.meta-item {
  font-size: 13px;
  color: var(--color-gray);
  background-color: var(--color-bg);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* 批次时间轴 */
.timeline-intro {
  font-size: 15px;
  color: #475569;
  margin-bottom: var(--space-4);
}

.timeline-item {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.timeline-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 100px;
  flex-shrink: 0;
}

.batch-status {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  text-align: center;
  width: fit-content;
}

.status-green {
  background-color: #ecfdf5;
  color: #047857;
}

.timeline-body {
  flex: 1;
  display: flex;
  gap: var(--space-3);
  min-width: 0;
}

.batch-figure {
  width: 180px;
  flex-shrink: 0;
}

.batch-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.batch-info {
  flex: 1;
  min-width: 0;
}

.batch-info h3 {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: 6px;
}

.batch-info p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

/* 阅读建议入口 */
.reading-next {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.reading-next p {
  font-size: 15px;
  color: #475569;
}

.reading-next a {
  font-weight: 600;
  color: var(--color-heading);
  margin-right: var(--space-2);
}

.reading-next a:hover {
  color: var(--color-blue);
}

/* ============================================================
   pages — 阵容图谱 zhenrong
   ============================================================ */

.reading-conclusion {
  margin-bottom: var(--space-5);
}

.conclusion-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.conclusion-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.conclusion-card h3 {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: var(--space-1);
}

.conclusion-card p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

/* 频道对比表 */
.section-intro {
  font-size: 15px;
  color: #475569;
  margin-bottom: var(--space-3);
}

.table-scroll-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-2);
}

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

.channel-compare-table thead th {
  background-color: var(--color-heading);
  color: #ffffff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

.channel-compare-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.6;
  color: #334155;
}

.channel-compare-table tbody tr:nth-child(even) {
  background-color: #f8fafc;
}

.channel-compare-table tbody tr:hover {
  background-color: #ecfeff;
}

.table-note {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: var(--space-2);
}

/* 频道预览图 */
.channel-preview-figure {
  margin: var(--space-4) 0;
}

.channel-preview-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 限制说明 */
.boundary-notes {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.boundary-notes p {
  font-size: 15px;
  color: #475569;
  margin-bottom: var(--space-2);
}

.note-list li {
  font-size: 14px;
  color: #475569;
  padding-left: var(--space-2);
  position: relative;
  margin-bottom: 6px;
  line-height: 1.7;
}

.note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-blue);
}

/* 跳转入口 */
.jump-link-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.jump-link-list li a {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  transition: border-color 0.2s ease;
}

.jump-link-list li a:hover {
  border-color: var(--color-blue);
}

.next-step-tip {
  margin-top: var(--space-3);
  font-size: 14px;
  color: #475569;
}

.next-step-tip a {
  font-weight: 600;
}

/* ============================================================
   pages — 观剧规则 guize
   ============================================================ */

.content-layout {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

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

/* 摘要框 */
.rule-summary-card {
  margin-bottom: var(--space-5);
}

.summary-box {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  border-left: 4px solid var(--color-green);
}

.summary-box p {
  font-size: 15px;
  color: #475569;
  line-height: 1.8;
}

/* 适用对象 */
.audience-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.audience-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.audience-item h3 {
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 6px;
}

.audience-item p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

.exception-note {
  font-size: 14px;
  color: var(--color-gray);
}

.exception-note a {
  font-weight: 600;
}

/* 粒度控制区 */
.granularity-control {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.control-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.granularity-slider {
  flex: 1;
  min-width: 0;
  accent-color: var(--color-blue);
  height: 4px;
  cursor: pointer;
}

.granularity-value {
  width: 60px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading);
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  background-color: var(--color-bg);
}

.control-hint {
  font-size: 13px;
  color: var(--color-gray);
  margin-top: var(--space-2);
}

/* 核对步骤 */
.check-step {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.step-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.step-no {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-blue);
  background-color: #ecfeff;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
}

.check-step h3 {
  font-size: 17px;
  font-weight: 650;
}

.step-desc {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.step-items {
  list-style: disc;
  padding-left: var(--space-3);
}

.step-items li {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 4px;
  list-style: disc;
}

/* 示例图 */
.rule-example {
  margin: var(--space-4) 0;
}

.rule-example img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ============================================================
   pages — 片场词典 ciyu
   ============================================================ */

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

.lexicon-intro,
.lexicon-table,
.lexicon-common,
.lexicon-compare,
.lexicon-links {
  margin-bottom: var(--space-5);
}

.module-desc {
  font-size: 15px;
  color: #475569;
  margin-bottom: var(--space-3);
}

/* 词条列表 */
.term-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.term-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
}

.term-item dt {
  font-size: 16px;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: 4px;
}

.term-item dd {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 4px;
}

.term-example {
  display: block;
  font-size: 13px;
  color: var(--color-gray);
  font-style: italic;
  line-height: 1.6;
}

/* 词典图 */
.lexicon-figure {
  margin-top: var(--space-3);
}

.lexicon-figure img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 辨析组 */
.compare-group {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.compare-group h3 {
  font-size: 16px;
  font-weight: 650;
  margin-bottom: var(--space-2);
}

.compare-group p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: var(--space-1);
}

.compare-group strong {
  color: var(--color-text);
  font-weight: 600;
}

/* 链接列表 */
.link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.link-list li a {
  display: block;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: 15px;
  font-weight: 600;
  transition: border-color 0.2s ease;
}

.link-list li a:hover {
  border-color: var(--color-blue);
}

/* ============================================================
   pages — 归档纪事 jilu
   ============================================================ */

.batch-status-section,
.archive-timeline-section,
.archive-principles-section {
  margin-bottom: var(--space-5);
}

.batch-status-section > p,
.archive-timeline-section > p,
.archive-principles-section > p {
  font-size: 15px;
  color: #475569;
  margin-bottom: var(--space-3);
}

.status-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.status-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.status-item h3 {
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-item p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

/* 状态点 */
.dot-live {
  background-color: var(--color-green);
}

.dot-archived {
  background-color: var(--color-gray);
}

.dot-draft {
  background-color: var(--color-blue);
}

/* 时间线 */
.timeline-wrap {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.timeline-figure {
  margin-bottom: var(--space-3);
}

.timeline-figure img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.timeline-list {
  position: relative;
  padding-left: var(--space-3);
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-blue);
  border: 2px solid var(--color-card-bg);
}

.timeline-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: 4px;
}

.timeline-head .batch-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
  background-color: #ecfeff;
  padding: 1px 10px;
  border-radius: var(--radius-sm);
}

.timeline-item p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

/* 原则 */
.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.principle-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.principle-item h3 {
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 6px;
}

.principle-item p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
}

.principle-note {
  font-size: 14px;
  color: #475569;
}

.principle-note a {
  font-weight: 600;
  margin-right: var(--space-2);
}

/* ============================================================
   pages — 边界与提问 bianjie
   ============================================================ */

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

.boundary-section,
.example-section,
.faq-section,
.next-steps {
  margin-bottom: var(--space-5);
}

.section-lead {
  font-size: 15px;
  color: #475569;
  margin-bottom: var(--space-3);
}

/* 边界列表 */
.boundary-list {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.boundary-list li {
  font-size: 14px;
  color: #475569;
  line-height: 1.75;
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-2);
}

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

.boundary-list strong {
  color: var(--color-text);
  font-weight: 600;
  flex-shrink: 0;
}

/* 示例卡 */
.example-block {
  display: flex;
  gap: var(--space-3);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  align-items: flex-start;
}

.example-figure {
  width: 220px;
  flex-shrink: 0;
}

.example-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.example-text {
  flex: 1;
  min-width: 0;
}

.example-text p {
  font-size: 14px;
  color: #475569;
  line-height: 1.75;
  margin-bottom: var(--space-1);
}

/* FAQ */
.faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  overflow: hidden;
}

.faq-item summary {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-blue);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-item summary:hover {
  color: var(--color-blue);
}

.faq-item p {
  font-size: 14px;
  color: #475569;
  line-height: 1.75;
  padding: 0 var(--space-3) var(--space-2);
}

/* 后续阅读 */
.next-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.next-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  transition: border-color 0.2s ease;
}

.next-link:hover {
  border-color: var(--color-blue);
}

.next-label {
  font-size: 12px;
  color: var(--color-gray);
}

.next-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================
   pages — 404
   ============================================================ */

.error-main {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
}

.error-panel {
  max-width: 560px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 600;
  color: var(--color-blue);
  line-height: 1.2;
}

.error-panel h1 {
  font-size: 24px;
  font-weight: 650;
  color: var(--color-text);
}

.error-desc,
.error-guide {
  font-size: 15px;
  color: #475569;
  line-height: 1.75;
}

.error-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

/* ============================================================
   components — 移动端底部任务导航
   ============================================================ */

.mobile-task-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  z-index: 200;
  padding-bottom: env(safe-area-inset-bottom);
}

.task-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 12px;
  color: #64748b;
  padding: 8px 4px;
  min-height: 44px;
  flex: 1;
  text-align: center;
}

.task-link.is-active {
  color: var(--color-blue);
  font-weight: 600;
}

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

/* 平板与窄桌面 */
@media (max-width: 1024px) {
  .layout-shell {
    flex-direction: column;
  }

  .layout-shell > .sidebar-area,
  .layout-shell > .page-aside,
  .layout-shell > .inner-sidebar {
    width: 100%;
    order: 2;
  }

  .layout-shell > .site-main.inner-main {
    order: 1;
    width: 100%;
  }

  .page-layout {
    flex-direction: column;
  }

  .page-layout > .sidebar-area,
  .page-layout > .page-aside {
    width: 100%;
  }

  .page-layout > .site-main.inner-main {
    width: 100%;
  }

  .sidebar-inner,
  .aside-inner {
    position: static;
  }

  .content-layout {
    flex-direction: column;
  }

  .content-main {
    width: 100%;
  }

  .content-layout > .sidebar-area {
    width: 100%;
  }

  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .channel-tag-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .episode-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* 手机 */
@media (max-width: 640px) {
  .header-inner {
    min-height: 56px;
    padding: 0 var(--space-2);
  }

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

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 0 var(--space-2);
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
  }

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

  .nav-list li {
    border-bottom: 1px solid var(--color-border);
  }

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

  .nav-list a {
    padding: 12px var(--space-2);
    border-bottom: none;
    font-size: 15px;
  }

  .site-main {
    padding: var(--space-3) var(--space-2) var(--space-5);
  }

  .layout-shell {
    padding: var(--space-3) var(--space-2) var(--space-5);
  }

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

  .section-title {
    font-size: 18px;
  }

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

  .hero-section {
    grid-template-columns: 1fr;
  }

  .channel-tag-list {
    grid-template-columns: 1fr;
  }

  .episode-card-grid {
    grid-template-columns: 1fr;
  }

  .steps-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .quick-link-item {
    padding: var(--space-2);
  }

  .conclusion-grid {
    grid-template-columns: 1fr;
  }

  .jump-link-list {
    grid-template-columns: 1fr;
  }

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

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

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

  .next-links {
    grid-template-columns: 1fr;
  }

  .timeline-body {
    flex-direction: column;
  }

  .batch-figure {
    width: 100%;
  }

  .timeline-item {
    flex-direction: column;
  }

  .example-block {
    flex-direction: column;
  }

  .example-figure {
    width: 100%;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-2) var(--space-2);
  }

  .footer-bottom {
    padding: var(--space-2);
  }

  .mobile-task-nav {
    display: flex;
  }

  body {
    padding-bottom: 56px;
  }

  .content-layout {
    flex-direction: column;
  }

  .content-layout > .sidebar-area {
    width: 100%;
  }
}