/* ==========================================================================
   base — 全局基础样式
   ========================================================================== */
:root {
  --color-primary: #3D6B47;
  --color-secondary: #6B8CAE;
  --color-accent-amber: #B8860B;
  --color-accent-terra: #C4653F;
  --color-bg: #FAFAF7;
  --color-text: #222222;
  --color-text-light: #5A5A5A;
  --color-border: #DDDED8;
  --color-card-bg: #FFFFFF;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", Consolas,
    "Liberation Mono", monospace;
  --container-width: 1080px;
  --container-pad: 24px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --header-h: 64px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  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-terra);
}

ul,
ol {
  list-style: none;
}

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

table {
  border-collapse: collapse;
  width: 100%;
}

details summary {
  cursor: pointer;
}

.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
   ========================================================================== */

/* 站点主体：桌面端 body 作为网格容器承载 header / main / footer */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.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(--container-pad);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

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

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-text:hover {
  color: var(--color-primary);
}

.site-nav {
  margin-left: auto;
}

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

.nav-list li {
  position: relative;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background-color: rgba(61, 107, 71, 0.08);
  color: var(--color-primary);
}

.nav-link.is-current {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.is-current::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

.nav-guide-btn {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.nav-guide-btn:hover {
  color: #fff;
  background-color: #2F5237;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.nav-toggle-icon {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.2s ease, top 0.2s ease;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

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

/* 站点主内容 */
.site-main {
  flex: 1;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-pad) var(--space-6);
  width: 100%;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

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

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

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

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-1);
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 720px;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) 0 var(--space-3);
  margin-top: auto;
}

.footer-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad) var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.footer-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

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

.footer-group {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-pad) var(--space-3);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.footer-col h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--color-text-light);
  padding: 4px 0;
}

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

.copyright {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-3) var(--container-pad) 0;
  font-size: 13px;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
}

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

/* 区块标题 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-3);
}

/* 文本链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.text-link::after {
  content: "→";
  font-size: 14px;
  transition: transform 0.2s ease;
}

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

/* 按钮 */
.btn-outline {
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-terra);
  border: 1px solid var(--color-accent-terra);
  border-radius: var(--radius-sm);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-outline:hover {
  background-color: var(--color-accent-terra);
  color: #fff;
}

.btn-solid {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.btn-solid:hover {
  color: #fff;
  background-color: #2F5237;
}

/* 标签 */
.audience-tag,
.genre-tag,
.story-tag,
.work-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: rgba(61, 107, 71, 0.08);
  border-radius: 999px;
  line-height: 1.5;
}

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

.faq-item summary {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
  position: relative;
  padding-right: 40px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 400;
  transition: transform 0.2s ease;
}

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

.faq-item p {
  padding: 0 18px 14px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-right: var(--space-1);
}

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

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

/* ==========================================================================
   pages — 首页
   ========================================================================== */

.home-main {
  padding-bottom: var(--space-6);
}

/* 首屏三栏信息层 */
.hero-info-layer {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-pad) var(--space-5);
  display: grid;
  grid-template-columns: 3fr 4fr 5fr;
  gap: var(--space-3);
  align-items: start;
}

.hero-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  min-width: 0;
}

.hero-card .section-title {
  font-size: 18px;
  margin-bottom: var(--space-2);
}

/* 频道目录索引 */
.channel-index-card {
  border-top: 3px solid var(--color-primary);
}

.channel-tag-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.channel-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.channel-tag:hover {
  border-color: var(--color-primary);
  background-color: rgba(61, 107, 71, 0.04);
  color: var(--color-text);
}

.tag-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-light);
}

/* 更新动态 */
.update-feed-card {
  border-top: 3px solid var(--color-accent-amber);
}

.timeline-mini {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.timeline-item {
  display: flex;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px dashed var(--color-border);
}

.timeline-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.time-marker {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent-amber);
  padding-top: 3px;
  min-width: 40px;
}

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

.item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.item-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 焦点片单 */
.focus-feature-card {
  border-top: 3px solid var(--color-accent-terra);
}

.focus-figure {
  margin-bottom: var(--space-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
}

.focus-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.focus-figure figcaption {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-bg);
}

.focus-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

/* 定位说明带 */
.intro-strip {
  background-color: var(--color-secondary);
  padding: var(--space-4) 0;
}

.intro-strip p {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  font-size: 16px;
  line-height: 1.8;
  color: #fff;
}

/* 专题片单预览 */
.feature-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-5) var(--container-pad) var(--space-3);
}

.feature-card-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.feature-card.horizontal {
  display: flex;
  gap: var(--space-3);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  align-items: flex-start;
}

.feature-card.horizontal .card-img {
  width: 160px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.card-body {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.card-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.mini-list {
  margin-bottom: var(--space-2);
}

.mini-list li {
  font-size: 13px;
  color: var(--color-text);
  padding: 3px 0;
  position: relative;
  padding-left: 16px;
}

.mini-list li::before {
  content: "·";
  position: absolute;
  left: 4px;
  font-weight: 700;
  color: var(--color-primary);
}

/* 剧情介绍精选 */
.story-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-3) var(--container-pad) var(--space-3);
}

.story-item-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.story-item {
  display: flex;
  gap: var(--space-3);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  align-items: flex-start;
}

.story-thumb {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

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

.story-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.genre-tag {
  font-size: 11px;
  padding: 2px 8px;
}

.story-synopsis {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-1);
}

/* 观看指南入口条 */
.guide-entry-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-4) var(--container-pad);
}

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

.steps-mini li {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: 50%;
  margin-bottom: var(--space-1);
}

.steps-mini em {
  display: block;
  font-style: normal;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.steps-mini li::after {
  content: attr(data-desc);
  display: block;
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 常见问题摘选 */
.faq-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-3) var(--container-pad);
}

/* 反馈建议入口条 */
.feedback-entry-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-3) var(--container-pad) var(--space-5);
}

.feedback-entry-strip p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
  max-width: 720px;
}

/* ==========================================================================
   pages — 频道分类
   ========================================================================== */

.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.channel-filter {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  position: sticky;
  top: calc(var(--header-h) + var(--space-3));
}

.filter-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.filter-desc {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.filter-tags {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.filter-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  width: 100%;
  text-align: left;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.filter-tag:hover {
  border-color: var(--color-primary);
}

.filter-tag.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.filter-tag.is-active .tag-count {
  color: rgba(255, 255, 255, 0.85);
}

.tag-name {
  font-size: 14px;
}

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

.channel-intro {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.channel-intro-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.channel-intro-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.work-group {
  margin-bottom: var(--space-4);
}

.group-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: var(--space-2);
}

.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

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

.work-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.work-thumb {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
}

.work-thumb img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.work-card:hover .work-thumb img {
  transform: scale(1.03);
}

.work-info {
  padding: var(--space-2);
}

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

.work-summary {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: var(--space-1);
}

.work-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent-amber);
  background-color: rgba(184, 134, 11, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: var(--space-1);
}

.work-tag {
  font-size: 11px;
  padding: 2px 8px;
  margin-right: 4px;
}

.story-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-1);
}

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

.channel-related {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-top: var(--space-4);
}

.related-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.related-links a {
  font-size: 14px;
  color: var(--color-primary);
}

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

/* ==========================================================================
   pages — 专题片库
   ========================================================================== */

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

.feature-intro {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.feature-intro .section-title {
  margin-bottom: var(--space-2);
}

.feature-intro p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 780px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-list .section-title {
  margin-bottom: 0;
}

.feature-card {
  display: flex;
  gap: var(--space-4);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  align-items: flex-start;
}

.feature-card-media {
  flex-shrink: 0;
  width: 280px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
}

.feature-card-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.feature-card-number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-terra);
  margin-bottom: var(--space-1);
}

.feature-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.feature-card-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.feature-entry-list {
  margin-bottom: var(--space-2);
}

.feature-entry-list li {
  display: flex;
  gap: var(--space-2);
  padding: 6px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
}

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

.entry-name {
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}

.entry-brief {
  color: var(--color-text-light);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.feature-tags .tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-secondary);
  background-color: rgba(107, 140, 174, 0.1);
  border-radius: 999px;
}

.feature-channel-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.feature-channel-link:hover {
  color: var(--color-accent-terra);
}

.related-channels {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.related-channels .section-title {
  margin-bottom: var(--space-1);
}

.related-channels p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.channel-link-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.channel-link-group a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.channel-link-group a:hover {
  border-color: var(--color-primary);
  background-color: rgba(61, 107, 71, 0.04);
}

/* ==========================================================================
   pages — 番剧动态
   ========================================================================== */

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

.updates-intro .section-title {
  font-size: 18px;
  margin-bottom: var(--space-1);
}

.updates-intro p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.timeline-month {
  margin-bottom: var(--space-5);
}

.month-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--color-accent-amber);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.month-title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-amber);
  flex-shrink: 0;
}

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

.timeline-item {
  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;
}

.timeline-thumb {
  flex-shrink: 0;
  width: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-bg);
}

.timeline-thumb img {
  width: 100%;
  height: 72px;
  object-fit: cover;
}

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

.timeline-headline {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-1);
}

.timeline-content a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

.timeline-content a:hover {
  color: var(--color-accent-terra);
}

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

.archive-entry .section-title {
  font-size: 18px;
  margin-bottom: var(--space-1);
}

.archive-entry p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.archive-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.archive-links a {
  font-size: 14px;
  color: var(--color-primary);
}

.archive-links a:hover {
  color: var(--color-accent-terra);
}

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

.support-links .section-title {
  font-size: 18px;
  margin-bottom: var(--space-1);
}

.support-links p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.support-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.support-list li {
  font-size: 14px;
}

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

.support-list a:hover {
  color: var(--color-accent-terra);
}

/* ==========================================================================
   pages — 剧情介绍
   ========================================================================== */

.story-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.story-list .section-title {
  margin-bottom: 0;
}

.story-item {
  display: flex;
  gap: var(--space-4);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  align-items: flex-start;
}

.story-media {
  flex-shrink: 0;
  width: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg);
}

.story-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

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

.story-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.story-tag {
  margin-bottom: var(--space-2);
}

.story-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.story-highlights {
  margin-bottom: var(--space-2);
}

.story-highlights strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.highlight-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.highlight-list li {
  font-size: 13px;
  color: var(--color-text-light);
  position: relative;
  padding-left: 14px;
}

.highlight-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  font-size: 10px;
  color: var(--color-accent-terra);
  top: 3px;
}

.story-audience {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.story-audience strong {
  color: var(--color-text);
  font-weight: 600;
  margin-right: 4px;
}

.story-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

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

.related-feature-bar {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-terra);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.related-feature-bar .section-title {
  font-size: 18px;
  margin-bottom: 0;
}

.bar-text {
  font-size: 14px;
  color: var(--color-text-light);
}

.bar-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-accent-terra);
  border-radius: var(--radius-sm);
}

.bar-link:hover {
  color: #fff;
  background-color: #A9522F;
}

/* ==========================================================================
   pages — 观看指南
   ========================================================================== */

.guide-hero-figure {
  margin-bottom: var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
}

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

.guide-hero-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-bg);
}

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

.guide-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.section-lead {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
  max-width: 720px;
}

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

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

.question-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.question-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.compare-table {
  min-width: 640px;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.compare-table thead th {
  background-color: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
  font-size: 15px;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody th {
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-bg);
  white-space: nowrap;
}

.compare-table td {
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.check-item {
  display: flex;
  gap: var(--space-2);
  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;
}

.check-mark {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  margin-top: 2px;
  position: relative;
}

.check-mark::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0;
}

.check-item:hover .check-mark::after {
  opacity: 1;
}

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

.check-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.check-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.support-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.support-link {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color 0.2s ease;
}

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

/* ==========================================================================
   pages — 反馈建议
   ========================================================================== */

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

.section .section-title {
  margin-bottom: var(--space-3);
}

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

.category-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  border-top: 3px solid var(--color-primary);
}

.category-card:nth-child(2) {
  border-top-color: var(--color-secondary);
}

.category-card:nth-child(3) {
  border-top-color: var(--color-accent-amber);
}

.category-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.category-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}

.category-tip {
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}

.category-tip strong {
  color: var(--color-primary);
  font-weight: 600;
}

.format-intro {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
  max-width: 720px;
}

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

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

.field-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.field-name::before {
  content: attr(data-index);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-secondary);
  border-radius: 50%;
  flex-shrink: 0;
}

.field-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.flow-step {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
}

.flow-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: 50%;
  margin-bottom: var(--space-1);
}

.step-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.process-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.process-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-bg);
}

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

.faq-question {
  font-size: 15px;
  font-weight: 600;
}

.support-text {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.support-text a {
  font-weight: 600;
}

.support-text a:hover {
  color: var(--color-accent-terra);
}

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

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--container-pad);
}

.error-panel {
  max-width: 560px;
  width: 100%;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.error-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.error-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.error-back {
  display: inline-block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

.error-back:hover {
  color: #fff;
  background-color: #2F5237;
}

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

.error-suggest a {
  font-size: 14px;
  color: var(--color-primary);
}

.error-suggest a:hover {
  color: var(--color-accent-terra);
}

/* ==========================================================================
   responsive — 响应式
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-info-layer {
    grid-template-columns: 1fr 1fr;
  }

  .focus-feature-card {
    grid-column: 1 / -1;
  }

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

  .feature-card.horizontal .card-img {
    width: 100%;
    height: 160px;
  }

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

  .feature-card-media {
    width: 100%;
  }

  .feature-card-media img {
    height: 180px;
  }

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

  .format-fields {
    grid-template-columns: 1fr;
  }

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

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

  .story-media {
    width: 100%;
  }

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

@media (max-width: 768px) {
  :root {
    --container-pad: 16px;
  }

  .header-inner {
    height: 56px;
  }

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

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

  .site-nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    margin-left: 0;
    display: block;
  }

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

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

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--radius-sm);
  }

  .nav-link.is-current::after {
    display: none;
  }

  .nav-link.is-current {
    background-color: rgba(61, 107, 71, 0.08);
  }

  .nav-guide-btn {
    display: block;
    text-align: center;
    margin-top: 4px;
  }

  .page-title {
    font-size: 26px;
  }

  .hero-info-layer {
    grid-template-columns: 1fr;
    padding-top: var(--space-3);
  }

  .focus-feature-card {
    grid-column: auto;
    order: -1;
  }

  .focus-img {
    height: 160px;
  }

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

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

  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
  }

  .channel-filter {
    position: static;
  }

  .filter-tags {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .filter-tag {
    width: auto;
    flex-shrink: 0;
    padding: 8px 14px;
  }

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

  .work-thumb img {
    height: 180px;
  }

  .timeline-item {
    flex-direction: column;
    gap: var(--space-1);
  }

  .timeline-thumb {
    width: 100%;
  }

  .timeline-thumb img {
    height: 120px;
  }

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

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

  .table-scroll-wrap {
    -webkit-overflow-scrolling: touch;
  }

  .error-code {
    font-size: 48px;
  }
}

@media (max-width: 480px) {
  .hero-card {
    padding: var(--space-2);
  }

  .intro-strip p {
    font-size: 15px;
  }

  .feature-card.horizontal {
    padding: var(--space-2);
  }

  .feature-card.horizontal .card-img {
    height: 140px;
  }

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

  .story-thumb {
    width: 100px;
    height: 76px;
  }

  .story-name {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .work-thumb img {
    height: 160px;
  }

  .feature-card {
    padding: var(--space-2);
  }

  .feature-card-media img {
    height: 150px;
  }

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

  .related-feature-bar {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .category-card {
    padding: var(--space-2);
  }

  .format-field {
    padding: var(--space-2);
  }

  .flow-step {
    padding: var(--space-2);
  }

  .error-panel {
    padding: var(--space-4) var(--space-2);
  }

  .footer-links {
    gap: var(--space-2) var(--space-3);
  }
}

/* 首屏关键图不懒加载，保证 LCP */
.hero-info-layer .focus-img,
.guide-hero-figure img {
  loading: eager;
}

/* 图片悬停轻微放大 */
.work-thumb img,
.story-media img,
.feature-card-media img {
  transition: transform 0.3s ease;
}

.work-card:hover .work-thumb img,
.story-item:hover .story-media img,
.feature-card:hover .feature-card-media img {
  transform: scale(1.02);
}