/* ============================================================
   BASE — 全局基础样式
   ============================================================ */
:root {
  --color-bg: #F7F4EC;
  --color-ink: #24221C;
  --color-primary: #2E4A52;
  --color-accent: #9A5B40;
  --color-line: #CEC8BC;
  --color-muted: #6B675E;
  --color-white: #FFFFFF;
  --font-serif: "Songti SC", "SimSun", "STSong", Georgia, serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1120px;
  --radius: 8px;
  --shadow-soft: 0 2px 8px rgba(36, 34, 28, 0.06);
}

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

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

body {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  line-height: 1.3;
  color: var(--color-ink);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin-bottom: 0.75rem;
}

ul, ol {
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
}

li {
  margin-bottom: 0.4rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   LAYOUT — 全站骨架
   ============================================================ */

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

.site-main {
  flex: 1;
}

/* 页头 */
.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;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 0.8rem;
  color: var(--color-muted);
  font-family: var(--font-serif);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-ink);
}

.nav-toggle-icon {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--color-ink);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: block;
}

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

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-ink);
  border-radius: var(--radius);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-list a:hover {
  background-color: rgba(46, 74, 82, 0.08);
  color: var(--color-primary);
}

.nav-list a.is-current {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 页脚 */
.site-footer {
  background-color: var(--color-ink);
  color: #D8D4C8;
  margin-top: 0;
}

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

.footer-brand {
  margin-bottom: 32px;
}

.footer-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 520px;
  color: #B8B4A8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h3 {
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 12px;
  font-family: var(--font-sans);
}

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

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

.footer-col a {
  color: #B8B4A8;
  font-size: 0.9rem;
}

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

.footer-note {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 16px;
  margin-bottom: 16px;
}

.footer-note p {
  font-size: 0.85rem;
  color: #8A867A;
  line-height: 1.6;
}

.footer-copyright p {
  font-size: 0.8rem;
  color: #8A867A;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
}

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

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

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

/* 页标题区 */
.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 28px 24px 32px;
}

.page-title {
  font-size: 2rem;
  margin-bottom: 12px;
}

.page-description {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* ============================================================
   COMPONENTS — 通用组件
   ============================================================ */

/* 摘要区 */
.summary-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 32px;
}

.summary-section h2 {
  margin-bottom: 12px;
}

.summary-intro {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 760px;
  margin-bottom: 32px;
}

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

.summary-step {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
}

.summary-step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.summary-step p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* 区块通用 */
.section-note {
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 720px;
  margin-bottom: 24px;
}

.section-title {
  margin-bottom: 12px;
}

.section-desc {
  color: var(--color-muted);
  margin-bottom: 24px;
}

/* 文本链接 */
.text-link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.text-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.text-link:hover::after {
  transform: translateX(4px);
}

/* 脚注引用 */
.footnote-ref {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-serif);
  vertical-align: super;
  margin-left: 2px;
}

/* FAQ 折叠 */
.faq-preview {
  margin-bottom: 24px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--color-primary);
  transition: transform 0.2s ease;
}

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

.faq-item[open] summary {
  background-color: rgba(46, 74, 82, 0.04);
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 0.95rem;
}

.faq-content {
  padding: 0 20px 20px;
}

.faq-content p {
  padding: 0;
}

/* ============================================================
   PAGES — 首页
   ============================================================ */

/* Hero 首屏 */
.hero-section {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.hero-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

.hero-notice {
  background: rgba(154, 91, 64, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  margin-bottom: 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.hero-notice p {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 0;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-link {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.hero-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.hero-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 8px;
  text-align: right;
}

/* 频道标签墙 */
.channel-tags {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.channel-tags h2 {
  margin-bottom: 12px;
}

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

.channel-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.channel-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.channel-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.channel-item a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
}

/* 专题推荐 */
.featured-collections {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.featured-collections h2 {
  margin-bottom: 12px;
}

.collection-module {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  align-items: center;
}

.collection-figure {
  margin: 0;
}

.collection-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
}

.collection-copy h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.collection-copy p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

/* 新片速递摘要 */
.update-digest {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.update-digest h2 {
  margin-bottom: 12px;
}

.digest-list {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}

.digest-list li {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: start;
}

.batch-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(154, 91, 64, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  text-align: center;
}

.digest-list h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.digest-list p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.digest-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9rem;
}

/* 观看指引预览 */
.guide-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.guide-preview h2 {
  margin-bottom: 12px;
}

.guide-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9rem;
}

/* 影视词典预览 */
.glossary-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 56px;
}

.glossary-preview h2 {
  margin-bottom: 12px;
}

.glossary-list {
  margin-bottom: 24px;
}

.glossary-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.glossary-item dt {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
}

.glossary-item dd {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

.glossary-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9rem;
}

/* ============================================================
   PAGES — 频道导览
   ============================================================ */

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

.overview-copy h2 {
  margin-bottom: 16px;
}

.overview-copy p {
  color: var(--color-muted);
  line-height: 1.7;
}

.overview-figure {
  margin: 0;
}

.overview-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.overview-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 8px;
  text-align: right;
}

.channel-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 56px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.channel-list h2 {
  margin-bottom: 20px;
}

.channel-list .channel-item {
  margin-bottom: 16px;
}

.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.channel-tags span {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-primary);
  background: rgba(46, 74, 82, 0.06);
  padding: 4px 10px;
  border-radius: 4px;
}

.channel-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aside-block {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
}

.aside-block h2 {
  font-size: 1.05rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.aside-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.aside-links li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(206, 200, 188, 0.4);
  margin: 0;
}

.aside-links li:last-child {
  border-bottom: none;
}

.aside-links a {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 4px;
}

.aside-links p {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ============================================================
   PAGES — 专题推荐
   ============================================================ */

.collection-intro {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.collection-intro .section-title {
  margin-bottom: 24px;
}

.collection-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  align-items: center;
}

.collection-media figure {
  margin: 0;
}

.collection-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
}

.collection-media figcaption {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 6px;
}

.collection-summary h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.collection-summary p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

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

.collection-breakdown .section-title {
  margin-bottom: 24px;
}

.breakdown-block {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.breakdown-block > h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}

.breakdown-section {
  margin-bottom: 20px;
}

.breakdown-section:last-child {
  margin-bottom: 0;
}

.breakdown-section h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.breakdown-section p {
  font-size: 0.95rem;
  line-height: 1.7;
}

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

.related-list .section-title {
  margin-bottom: 8px;
}

.related-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 12px;
}

.related-item h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.related-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.related-category {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 56px;
}

.related-category .section-title {
  margin-bottom: 12px;
}

.related-category p {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.related-category a {
  font-family: var(--font-sans);
  font-weight: 500;
  margin-right: 16px;
}

/* ============================================================
   PAGES — 观看指引
   ============================================================ */

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

.guide-figure {
  margin: 0;
}

.guide-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.guide-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 8px;
  text-align: right;
}

.guide-visual-note p {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.7;
}

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

.sidebar-left {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.help-aside {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 96px;
}

.help-aside h2 {
  font-size: 1.05rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  margin: 0;
  border-bottom: 1px solid rgba(206, 200, 188, 0.4);
}

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

.toc-list a {
  display: block;
  padding: 10px 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-ink);
}

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

.help-faq .section-title {
  margin-bottom: 20px;
}

.help-faq .faq-item {
  margin-bottom: 12px;
}

.faq-content ol {
  margin-bottom: 12px;
}

.faq-content ol li {
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.faq-content a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
}

.guideline-tip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 56px;
}

.guideline-tip .section-title {
  margin-bottom: 12px;
}

.footnote-style {
  background: rgba(154, 91, 64, 0.06);
  border-left: 3px solid var(--color-accent);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--color-accent);
  line-height: 1.7;
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ============================================================
   PAGES — 新片速递
   ============================================================ */

.current-batch {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 40px;
}

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

.batch-card-current {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
}

.batch-card-main {
  padding: 28px;
}

.batch-card-main .batch-label {
  margin-bottom: 12px;
}

.batch-card-main h2 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.batch-lead {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.batch-changelog {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

.batch-changelog li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(206, 200, 188, 0.4);
  font-size: 0.95rem;
}

.batch-changelog li:last-child {
  border-bottom: none;
}

.batch-more {
  font-family: var(--font-sans);
}

.batch-more a {
  font-weight: 500;
}

.batch-figure {
  margin: 0;
}

.batch-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.batch-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 8px 28px 16px;
}

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

.batch-list h2 {
  margin-bottom: 12px;
}

.batch-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.batch-item summary {
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-sans);
  transition: background-color 0.2s ease;
}

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

.batch-item summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--color-primary);
}

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

.batch-item[open] summary {
  background-color: rgba(46, 74, 82, 0.04);
}

.batch-no {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(154, 91, 64, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
}

.batch-name {
  font-weight: 500;
  font-size: 0.95rem;
}

.batch-date {
  font-size: 0.82rem;
  color: var(--color-muted);
}

.batch-detail {
  padding: 0 20px 20px;
}

.batch-detail p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
}

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

.summary-list h2 {
  margin-bottom: 12px;
}

.summary-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.summary-items li {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.summary-items h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.summary-items p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.related-channel {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 56px;
}

.related-channel h2 {
  margin-bottom: 12px;
}

.channel-entry-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.channel-entry {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  display: block;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.channel-entry:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
  color: var(--color-ink);
}

.entry-name {
  display: block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.entry-desc {
  display: block;
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.back-home {
  font-family: var(--font-sans);
}

.back-home a {
  font-weight: 500;
}

/* ============================================================
   PAGES — 影视词典
   ============================================================ */

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

.glossary-intro-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.glossary-intro-media {
  margin: 0;
}

.glossary-intro-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.glossary-intro-media figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 8px;
  text-align: right;
}

.glossary-intro-content h2 {
  margin-bottom: 16px;
}

.glossary-intro-content p {
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.glossary-index {
  margin-top: 20px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.glossary-index h3 {
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.glossary-index ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.glossary-index li {
  margin: 0;
}

.glossary-index a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  padding: 6px 14px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  display: inline-block;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.glossary-index a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.glossary-group {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.glossary-group h2 {
  font-size: 1.3rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}

.glossary-group .glossary-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.glossary-group .glossary-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.glossary-def {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 12px;
}

.glossary-detail p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.glossary-example {
  background: rgba(46, 74, 82, 0.04);
  padding: 12px 16px;
  border-radius: 4px;
  border-left: 2px solid var(--color-primary);
  margin: 12px 0;
}

.glossary-related {
  font-size: 0.85rem;
  font-family: var(--font-sans);
}

.glossary-related a {
  margin-right: 12px;
}

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

.related-category-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
}

.related-category-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.related-category-item h3 a {
  color: var(--color-primary);
}

.related-category-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ============================================================
   PAGES — 404
   ============================================================ */

.error-section {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
}

.error-code {
  font-family: var(--font-sans);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1;
}

.error-section h1 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.error-home-link {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 500;
}

.error-home-link:hover {
  background-color: var(--color-ink);
  color: var(--color-white);
}

.error-actions a:not(.error-home-link) {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 500;
}

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

@media (max-width: 1024px) {
  .summary-steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .channel-shell {
    grid-template-columns: 1fr 260px;
    gap: 24px;
  }

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

  .sidebar-left {
    grid-template-columns: 220px 1fr;
    gap: 24px;
  }
}

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

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    box-shadow: var(--shadow-soft);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding: 12px 16px;
    gap: 0;
  }

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

  .nav-list li {
    border-bottom: 1px solid rgba(206, 200, 188, 0.4);
  }

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

  .nav-list a {
    padding: 14px 8px;
    border-radius: 0;
  }

  .nav-list a.is-current {
    background: rgba(46, 74, 82, 0.08);
    color: var(--color-primary);
  }

  /* 首页 */
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 16px;
  }

  .hero-copy h1 {
    font-size: 1.7rem;
  }

  .hero-figure img {
    height: 220px;
  }

  .summary-section,
  .channel-tags,
  .featured-collections,
  .update-digest,
  .guide-preview,
  .glossary-preview {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

  .collection-module {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .collection-figure img {
    height: 180px;
  }

  .digest-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  /* 内页通用 */
  .breadcrumb {
    padding: 12px 16px 0;
  }

  .page-header {
    padding: 20px 16px 24px;
  }

  .page-title {
    font-size: 1.6rem;
  }

  .channel-overview,
  .guide-visual,
  .glossary-intro-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .overview-figure img,
  .guide-figure img,
  .glossary-intro-media img {
    height: 200px;
  }

  .channel-shell {
    grid-template-columns: 1fr;
    padding-left: 16px;
    padding-right: 16px;
  }

  .channel-aside {
    order: 2;
  }

  .collection-intro,
  .collection-breakdown,
  .related-list,
  .related-category {
    padding-left: 16px;
    padding-right: 16px;
  }

  .collection-card {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .collection-media img {
    height: 180px;
  }

  .sidebar-left {
    grid-template-columns: 1fr;
    padding-left: 16px;
    padding-right: 16px;
  }

  .help-aside {
    position: static;
    order: 2;
  }

  .help-faq {
    order: 1;
  }

  .guideline-tip {
    padding-left: 16px;
    padding-right: 16px;
  }

  .current-batch,
  .batch-list,
  .summary-list,
  .related-channel {
    padding-left: 16px;
    padding-right: 16px;
  }

  .batch-card-main {
    padding: 20px;
  }

  .batch-figure img {
    height: 180px;
  }

  .batch-item summary {
    flex-wrap: wrap;
    gap: 8px;
  }

  .glossary-group {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .footer-inner {
    padding: 32px 16px 24px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .error-section {
    padding: 60px 16px;
  }

  .error-code {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .brand-tag {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-link {
    text-align: center;
  }

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

  .batch-item summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .batch-item summary::after {
    margin-left: 0;
  }

  .batch-date {
    font-size: 0.78rem;
  }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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