/* ============================================================
   BASE
   ============================================================ */
:root {
  --color-bg: #F4EFE6;
  --color-ink: #2B2B2B;
  --color-primary: #3E4A3A;
  --color-accent: #8C5A3B;
  --color-line: #D9CDB8;
  --color-card: #FFFFFF;
  --color-muted: #6B6B5F;
  --color-mist: #EAE4D8;
  --font-serif: Georgia, "Noto Serif SC", "Songti SC", serif;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1200px;
  --radius: 8px;
  --shadow: 0 2px 6px rgba(43, 43, 43, 0.06);
  --shadow-hover: 0 6px 16px rgba(43, 43, 43, 0.12);
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  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-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
}

p {
  margin-bottom: 0;
}

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

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

.site-header {
  background-color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-bg);
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-link:hover {
  color: #ffffff;
}

.brand-name {
  display: inline-block;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 64px;
  width: 100%;
}

.site-footer {
  background-color: var(--color-primary);
  color: rgba(244, 239, 230, 0.85);
  margin-top: 0;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-bg);
  margin-bottom: 12px;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-bg);
  margin-bottom: 8px;
}

.footer-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.75);
}

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

.footer-nav-list a {
  color: rgba(244, 239, 230, 0.8);
  font-size: 0.9rem;
}

.footer-nav-list a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(244, 239, 230, 0.15);
  padding: 16px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(244, 239, 230, 0.6);
}

/* ============================================================
   LAYOUT — 导航
   ============================================================ */

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

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

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 10px 16px;
  color: rgba(244, 239, 230, 0.85);
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-link:hover {
  color: #ffffff;
  border-bottom-color: rgba(244, 239, 230, 0.4);
}

.nav-link.is-current {
  color: #ffffff;
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-bg);
  border-radius: 1px;
}

/* ============================================================
   LAYOUT — 公告条
   ============================================================ */

.notice-bar {
  background-color: var(--color-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 24px;
  font-size: 0.9rem;
  position: relative;
}

.notice-text {
  margin: 0;
  text-align: center;
}

.notice-close {
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  line-height: 1;
  opacity: 0.85;
}

.notice-close:hover {
  opacity: 1;
}

/* ============================================================
   LAYOUT — 面包屑
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

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

.breadcrumb-sep {
  color: var(--color-line);
  font-size: 0.75rem;
}

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

/* ============================================================
   LAYOUT — 页面标题区
   ============================================================ */

.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-line);
}

.page-title {
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* ============================================================
   COMPONENTS — 按钮
   ============================================================ */

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #7A4C30;
  color: #ffffff;
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* ============================================================
   COMPONENTS — 区块标题
   ============================================================ */

.section-block {
  padding: 48px 0;
}

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

.section-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--color-muted);
  font-size: 0.95rem;
  max-width: 680px;
}

.section-lead {
  color: var(--color-muted);
  margin-bottom: 16px;
  max-width: 760px;
}

.section-intro {
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 760px;
}

.section-note {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-top: 16px;
}

.text-link {
  display: inline-block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.text-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ============================================================
   COMPONENTS — 频道卡片（首页）
   ============================================================ */

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

.channel-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.channel-index {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-line);
  font-weight: 700;
}

.channel-thumb {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 14px;
}

.channel-name {
  font-size: 1.125rem;
  margin-bottom: 6px;
}

.channel-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.channel-link {
  font-size: 0.85rem;
  font-weight: 600;
}

/* ============================================================
   COMPONENTS — 专题特辑（首页）
   ============================================================ */

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

.featured-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.featured-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.featured-info {
  padding: 16px;
}

.featured-name {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.featured-reason {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.featured-link {
  font-size: 0.85rem;
  font-weight: 600;
}

/* ============================================================
   COMPONENTS — 步骤条（首页 / 指南页）
   ============================================================ */

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

.guide-preview .step-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}

.steps-row .step-number {
  display: inline-block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.steps-row .step-title {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.steps-row .step-text {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.guide-link-wrap {
  margin-top: 24px;
}

/* ============================================================
   COMPONENTS — 内容归档预览（首页）
   ============================================================ */

.archive-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.archive-entry {
  display: block;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.archive-entry:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.archive-type {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.archive-desc {
  display: block;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 10px;
}

.archive-status {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-accent);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 2px 10px;
}

/* ============================================================
   COMPONENTS — 版权说明条（首页）
   ============================================================ */

.copyright-note {
  background-color: var(--color-mist);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.copyright-note-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  flex: 1;
}

.copyright-note-link {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ============================================================
   COMPONENTS — 首页 hero
   ============================================================ */

.hero-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  padding: 24px 0;
}

.hero-title {
  font-size: 2.375rem;
  line-height: 1.25;
  margin-bottom: 12px;
}

.hero-slogan {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--color-accent);
  margin-bottom: 16px;
  font-style: italic;
}

.hero-description {
  font-size: 1rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 520px;
  line-height: 1.7;
}

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

.hero-media {
  margin: 0;
}

.hero-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}

/* ============================================================
   COMPONENTS — 首页归档/指南区容器
   ============================================================ */

.home-main .section-block {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.home-main .section-block:not(:first-of-type) {
  border-top: 1px solid var(--color-line);
}

/* ============================================================
   COMPONENTS — 频道分类页
   ============================================================ */

.channel-overview {
  margin-bottom: 40px;
}

.channel-catalog {
  margin-bottom: 40px;
}

.channel-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.channel-item {
  display: grid;
  grid-template-columns: 56px 200px 1fr;
  gap: 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  align-items: start;
  transition: box-shadow var(--transition);
}

.channel-item:hover {
  box-shadow: var(--shadow-hover);
}

.channel-number {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-line);
  padding-top: 4px;
}

.channel-figure {
  margin: 0;
}

.channel-figure img {
  width: 200px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}

.channel-content {
  padding-top: 2px;
}

.channel-content .channel-name {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.channel-content .channel-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.channel-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--color-line);
}

.channel-advice {
  margin-bottom: 40px;
}

.advice-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
  margin-bottom: 16px;
}

.advice-item {
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.6;
}

.advice-item strong {
  color: var(--color-primary);
}

/* ============================================================
   COMPONENTS — 专题片单页
   ============================================================ */

.feature-current {
  margin-bottom: 48px;
}

.current-feature-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-current-image {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.current-feature-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-tag {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.current-feature-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.current-feature-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.current-feature-meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.feature-grid-section {
  margin-bottom: 48px;
}

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

.feature-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.feature-card-image {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.feature-card-title {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.feature-card-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.feature-card-audience {
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.feature-card .text-link {
  padding: 0 16px 16px;
  display: inline-block;
  margin-top: auto;
}

.feature-card {
  display: flex;
  flex-direction: column;
}

.feature-card-image,
.feature-card-title,
.feature-card-desc,
.feature-card-audience {
  margin-left: 16px;
  margin-right: 16px;
}

.feature-card-image {
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 12px;
}

.feature-card-title {
  margin-bottom: 6px;
}

.feature-index {
  margin-bottom: 40px;
}

.index-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.index-tag-list li a {
  display: inline-block;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--color-primary);
  transition: background-color var(--transition), color var(--transition);
}

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

.index-note {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.index-note a {
  margin-right: 16px;
}

/* ============================================================
   COMPONENTS — 观影指南页
   ============================================================ */

.guide-section {
  margin-bottom: 48px;
}

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

.steps-section .step-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}

.steps-section .step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  font-family: var(--font-serif);
  font-weight: 700;
  margin-bottom: 12px;
}

.steps-section .step-title {
  font-size: 1.0625rem;
  margin-bottom: 10px;
}

.steps-section .step-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.steps-section .step-example {
  font-size: 0.8rem;
  color: var(--color-accent);
  background-color: var(--color-mist);
  border-radius: 4px;
  padding: 8px 12px;
}

.verify-table-wrap {
  overflow-x: auto;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.verify-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.verify-table th,
.verify-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}

.verify-table th {
  background-color: var(--color-mist);
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
}

.verify-table tr:last-child td {
  border-bottom: none;
}

.channel-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.guide-section .channel-card {
  padding: 0;
  overflow: hidden;
}

.channel-card-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.channel-card-title {
  font-size: 1.125rem;
  margin-bottom: 10px;
  padding: 0 20px;
}

.channel-card-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 0 20px;
  margin-bottom: 8px;
}

.channel-card-desc a {
  font-weight: 600;
}

.channel-card-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 0 20px 20px;
}

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

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

.faq-question {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  padding-right: 24px;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

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

.faq-answer {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.7;
  padding-top: 12px;
  margin-top: 12px;
  border-top: 1px solid var(--color-line);
}

/* ============================================================
   COMPONENTS — 内容归档页
   ============================================================ */

.status-note {
  margin-bottom: 32px;
}

.status-note p {
  background-color: var(--color-mist);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.archive-table-section {
  margin-bottom: 40px;
}

.table-wrap {
  overflow-x: auto;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.archive-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.archive-table th,
.archive-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}

.archive-table th {
  background-color: var(--color-mist);
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
}

.archive-table tr:last-child td {
  border-bottom: none;
}

.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
  background-color: var(--color-mist);
  color: var(--color-primary);
  border: 1px solid var(--color-line);
}

.source-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 12px;
}

.type-index {
  margin-bottom: 40px;
}

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

.type-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.type-card-media img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.type-card-body {
  padding: 16px;
}

.type-card-title {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.type-card-body p {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

/* ============================================================
   COMPONENTS — 版权与说明页
   ============================================================ */

.about-section {
  margin-bottom: 48px;
}

.statement-text p {
  font-size: 0.95rem;
  color: var(--color-ink);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 760px;
}

.about-media {
  margin: 24px 0 0;
}

.about-media img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}

.about-media figcaption {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 8px;
}

.statement-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.statement-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.item-index {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  padding-top: 2px;
}

.item-body h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}

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

.disclaimer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.disclaimer-col {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
}

.disclaimer-col h3 {
  font-size: 1.0625rem;
  margin-bottom: 10px;
}

.disclaimer-col p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.correction-intro {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 760px;
}

.correction-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.correction-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.875rem;
}

.correction-step p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  padding-top: 4px;
}

.correction-note {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.correction-note a {
  margin-right: 16px;
  font-weight: 600;
}

/* ============================================================
   COMPONENTS — 相关链接
   ============================================================ */

.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  background-color: var(--color-mist);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  margin-top: 40px;
}

.related-links-label {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
}

.related-links-item {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ============================================================
   COMPONENTS — 404 页
   ============================================================ */

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

.error-section {
  text-align: center;
  max-width: 480px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-radius: var(--radius);
  font-weight: 600;
  transition: background-color var(--transition);
}

.error-btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* ============================================================
   RESPONSIVE — 平板 ≤ 992px
   ============================================================ */

@media (max-width: 992px) {
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .channel-item {
    grid-template-columns: 48px 160px 1fr;
    gap: 16px;
  }

  .channel-figure img {
    width: 160px;
    height: 100px;
  }

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

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

  .feature-current-image {
    min-height: 200px;
    max-height: 260px;
  }
}

/* ============================================================
   RESPONSIVE — 手机 ≤ 768px
   ============================================================ */

@media (max-width: 768px) {
  .header-inner {
    min-height: 60px;
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: static;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 0;
    z-index: 100;
    border-bottom: 3px solid var(--color-accent);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 12px 8px;
    border-bottom: 1px solid rgba(244, 239, 230, 0.12);
    border-bottom-color: transparent;
  }

  .nav-link.is-current {
    border-bottom-color: var(--color-accent);
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 16px;
  }

  .hero-title {
    font-size: 1.875rem;
  }

  .hero-slogan {
    font-size: 1.125rem;
  }

  .hero-image {
    height: 220px;
  }

  .home-main .section-block {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

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

  .archive-cards {
    grid-template-columns: 1fr;
  }

  .copyright-note {
    flex-direction: column;
    align-items: flex-start;
  }

  .inner-main {
    padding: 24px 16px 48px;
  }

  .page-title {
    font-size: 1.625rem;
  }

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

  .channel-number {
    font-size: 1.125rem;
    padding-top: 0;
  }

  .channel-figure img {
    width: 100%;
    height: 140px;
  }

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

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

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

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

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 16px;
  }

  .footer-bottom {
    padding: 12px 16px;
  }

  .notice-bar {
    flex-direction: column;
    gap: 4px;
    padding: 8px 16px;
  }

  .notice-close {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
  }

  .notice-text {
    padding-right: 24px;
  }

  .current-feature-content {
    padding: 16px;
  }

  .current-feature-title {
    font-size: 1.25rem;
  }

  .statement-item {
    grid-template-columns: 32px 1fr;
    gap: 12px;
  }

  .correction-step {
    grid-template-columns: 32px 1fr;
    gap: 12px;
  }

  .verify-table {
    min-width: 520px;
  }

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

/* ============================================================
   RESPONSIVE — 超小屏 ≤ 390px
   ============================================================ */

@media (max-width: 390px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .brand-link {
    font-size: 1.125rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .featured-thumb {
    height: 140px;
  }

  .channel-thumb {
    height: 100px;
  }

  .feature-card-image {
    height: 120px;
  }

  .feature-current-image {
    min-height: 160px;
  }

  .footer-nav-list {
    gap: 4px;
  }
}