/* =========================================================
   base / 基础变量与重置
   ========================================================= */
:root {
  --color-bg: #F7F2E9;
  --color-ink: #26211B;
  --color-copper: #A83C1F;
  --color-stone: #3F5C55;
  --color-line: #D3CAB8;
  --color-muted: #6B6156;
  --color-card: #FDFBF6;
  --font-serif: Georgia, "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-w: 1180px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --space-section: 64px;
  --header-h: 72px;
  --transition-base: 0.2s ease;
}

/* =========================================================
   base / 全局基础
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.is-locked {
  overflow: hidden;
}

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

a {
  color: var(--color-copper);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: #7f2d15;
}

ul,
ol {
  list-style: none;
}

figure {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  color: var(--color-ink);
  line-height: 1.35;
  font-weight: 700;
}

p {
  margin: 0;
}

/* =========================================================
   layout / 全站骨架：页头、导航、页脚
   ========================================================= */
.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-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.04em;
}

.brand-logo:hover .brand-name {
  color: var(--color-copper);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-ink);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

.site-nav {
  display: block;
}

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-ink);
  border-bottom: 2px solid transparent;
  border-radius: 0;
  white-space: nowrap;
}

.nav-list a:hover {
  color: var(--color-copper);
  background-color: rgba(168, 60, 31, 0.05);
}

.nav-list a.is-current {
  color: var(--color-copper);
  border-bottom-color: var(--color-copper);
  font-weight: 600;
}

/* 页脚 */
.site-footer {
  background-color: #efe7d8;
  border-top: 1px solid var(--color-line);
  margin-top: 48px;
}

.footer-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.footer-boundary {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 12px;
}

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

.footer-col ul a {
  font-size: 14px;
  color: var(--color-muted);
  display: inline-block;
  padding: 2px 0;
}

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

.footer-meta p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 6px;
  line-height: 1.6;
}

/* =========================================================
   layout / 主容器与正文区域
   ========================================================= */
.site-main {
  min-height: 60vh;
}

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

.inner-main {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px 40px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 8px;
  font-size: 14px;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-muted);
  padding: 2px 0;
}

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

.breadcrumb-sep {
  color: var(--color-line);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--color-ink);
  font-weight: 600;
}

/* 内页标题区 */
.page-header {
  padding: 16px 0 24px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 32px;
}

.page-description {
  font-size: 14px;
  color: var(--color-stone);
  margin-bottom: 12px;
  font-weight: 600;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-summary {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
}

/* =========================================================
   components / 通用小部件
   ========================================================= */
/* 区块标题 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-left: 18px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 4px;
  background-color: var(--color-copper);
  border-radius: 2px;
}

.section-intro {
  font-size: 16px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

/* 文本链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-copper);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.text-link:hover {
  color: #7f2d15;
  border-bottom-color: var(--color-copper);
}

.text-link::after {
  content: "→";
  font-size: 13px;
}

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

/* =========================================================
   components / 首页首屏
   ========================================================= */
.first-screen {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0 56px;
}

.first-screen-copy {
  padding-right: 16px;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-copper);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  border-left: 3px solid var(--color-copper);
  padding-left: 10px;
}

.first-screen-copy h1 {
  font-size: 42px;
  line-height: 1.25;
  margin-bottom: 16px;
  max-width: 520px;
}

.lead-sentence {
  font-size: 17px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 480px;
  line-height: 1.7;
}

.entry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.entry-link-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid var(--color-copper);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-copper);
  background-color: transparent;
  min-height: 44px;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.entry-link-item:first-child {
  background-color: var(--color-copper);
  color: #fff;
}

.entry-link-item:first-child:hover {
  background-color: #7f2d15;
  border-color: #7f2d15;
  color: #fff;
}

.entry-link-item:last-child:hover {
  background-color: rgba(168, 60, 31, 0.08);
}

.first-screen-media {
  position: relative;
}

.first-screen-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}

.first-screen-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 8px;
  line-height: 1.5;
}

/* =========================================================
   components / 首页三步导览动线
   ========================================================= */
.guide-path {
  padding: 56px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.path-step {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  transition: border-color var(--transition-base);
}

.path-step:hover {
  border-color: var(--color-copper);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(168, 60, 31, 0.1);
  color: var(--color-copper);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.path-step:nth-child(2) .step-number {
  background-color: rgba(63, 92, 85, 0.12);
  color: var(--color-stone);
}

.path-step:nth-child(3) .step-number {
  background-color: rgba(63, 92, 85, 0.12);
  color: var(--color-stone);
}

.step-title {
  font-size: 19px;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.65;
}

.step-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-copper);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.step-link::after {
  content: "→";
}

/* =========================================================
   components / 首页频道预览图文行
   ========================================================= */
.channel-preview {
  padding: 56px 0;
}

.channel-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card);
  transition: border-color var(--transition-base);
}

.channel-row:hover {
  border-color: var(--color-copper);
}

.channel-media {
  margin: 0;
  height: 100%;
  overflow: hidden;
}

.channel-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.channel-copy {
  padding: 24px 32px 24px 0;
}

.channel-row-reverse .channel-copy {
  padding: 24px 0 24px 32px;
}

.channel-subtitle {
  font-size: 20px;
  margin-bottom: 12px;
}

.channel-subtitle::before {
  content: "· ";
  color: var(--color-copper);
  font-weight: 700;
}

.channel-copy p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

/* 紧凑标签行 */
.tag-compact-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 8px;
}

.tag-compact-list li {
  background-color: var(--color-card);
  padding: 16px 20px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-ink);
  white-space: nowrap;
}

.tag-desc {
  font-size: 13px;
  color: var(--color-muted);
  flex: 1;
  min-width: 180px;
  line-height: 1.5;
}

.tag-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-copper);
  white-space: nowrap;
}

/* =========================================================
   components / 首页专题巡礼展签区
   ========================================================= */
.tour-teaser {
  padding: 56px 0;
  border-top: 1px solid var(--color-line);
}

.teaser-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.teaser-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border-top: 3px solid var(--color-copper);
  transition: border-color var(--transition-base);
}

.teaser-card:hover {
  border-color: var(--color-copper);
}

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

.teaser-eyebrow {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-copper);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.teaser-card:nth-child(2) .teaser-eyebrow {
  color: var(--color-stone);
}

.teaser-title {
  font-size: 19px;
  margin-bottom: 10px;
}

.teaser-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.65;
}

.teaser-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-copper);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.teaser-link::after {
  content: "→";
}

.teaser-footer-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
}

.teaser-footer-note a {
  color: var(--color-copper);
  font-weight: 600;
  padding: 2px 0;
}

/* =========================================================
   components / 首页栏目分工表
   ========================================================= */
.duty-board {
  padding: 56px 0;
  border-top: 1px solid var(--color-line);
}

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

.duty-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.duty-table th {
  background-color: rgba(63, 92, 85, 0.08);
  font-family: var(--font-serif);
  font-weight: 700;
  text-align: left;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-stone);
}

.duty-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(211, 202, 184, 0.5);
  vertical-align: top;
  line-height: 1.6;
}

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

.duty-table td:first-child {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-ink);
  white-space: nowrap;
}

/* =========================================================
   components / 首页观剧前检查清单
   ========================================================= */
.quick-checklist {
  padding: 56px 0;
  border-top: 1px solid var(--color-line);
}

.checklist-short {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.checklist-short li {
  background-color: var(--color-card);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.check-item-label {
  font-size: 15px;
  color: var(--color-ink);
  position: relative;
  padding-left: 26px;
  line-height: 1.5;
}

.check-item-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-stone);
  border-radius: var(--radius-sm);
}

.check-action {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-copper);
  white-space: nowrap;
  padding: 4px 0;
}

.checklist-more {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
}

.checklist-more a {
  color: var(--color-copper);
  font-weight: 600;
  padding: 2px 0;
}

/* =========================================================
   components / 首页答疑反馈窄带
   ========================================================= */
.help-narrowband {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 40px 0 56px;
}

.narrowband-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: border-color var(--transition-base);
}

.narrowband-item:hover {
  border-color: var(--color-copper);
}

.narrowband-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.narrowband-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 14px;
  line-height: 1.6;
  flex: 1;
}

.narrowband-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-copper);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.narrowband-link::after {
  content: "→";
}

/* =========================================================
   components / 内页通用：图文行、频道块
   ========================================================= */
/* 内容地图页图文行 */
.map-section {
  margin-bottom: 48px;
}

.map-intro {
  margin-bottom: 20px;
}

.map-intro p {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 720px;
}

.media-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: stretch;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  overflow: hidden;
  margin-bottom: 24px;
}

.media-figure {
  margin: 0;
  height: 100%;
  min-height: 240px;
  overflow: hidden;
}

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

.media-figure figcaption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.04);
  line-height: 1.5;
}

.media-content {
  padding: 24px 28px 24px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
}

.channel-block {
  padding-left: 16px;
  border-left: 3px solid var(--color-line);
}

.channel-block h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.channel-block p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.channel-block a {
  font-size: 13px;
  font-weight: 600;
}

/* 紧凑题材速查行 */
.tag-quick-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
}

.tag-quick-row {
  background-color: var(--color-card);
  padding: 16px 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.tag-quick-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  color: var(--color-ink);
}

.tag-quick-note {
  font-size: 13px;
  color: var(--color-muted);
  flex: 1;
  min-width: 160px;
  line-height: 1.5;
}

.tag-quick-row a {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

/* 对应关系表 */
.map-table-wrap {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card);
  margin-bottom: 24px;
}

.map-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.map-table th {
  background-color: rgba(63, 92, 85, 0.08);
  font-family: var(--font-serif);
  font-weight: 700;
  text-align: left;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-stone);
}

.map-table td {
  padding: 13px 18px;
  border-bottom: 1px solid rgba(211, 202, 184, 0.5);
  line-height: 1.6;
}

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

/* 易混淆提示 */
.confusion-links {
  margin-top: 12px;
}

.confusion-links a {
  font-size: 14px;
  font-weight: 600;
  margin-right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.confusion-links a::after {
  content: "→";
  font-size: 13px;
}

.confusion-note {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 8px;
}

/* =========================================================
   components / 专题巡礼页
   ========================================================= */
.tour-summary {
  margin-bottom: 48px;
}

.tour-summary > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 720px;
}

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

.summary-index-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  transition: border-color var(--transition-base);
}

.summary-index-item::before {
  content: "0" counter(item);
  counter-increment: item;
  font-family: var(--font-serif);
  color: var(--color-copper);
  font-weight: 700;
  font-size: 15px;
}

.summary-index-list {
  counter-reset: item;
}

.summary-index-item:hover {
  border-color: var(--color-copper);
  color: var(--color-copper);
}

/* 专题展签块 */
.tour-feature-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 56px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  overflow: hidden;
}

.tour-feature-media {
  height: 100%;
  min-height: 240px;
  overflow: hidden;
}

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

.tour-feature-media figcaption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.04);
  line-height: 1.5;
}

.tour-feature-content {
  padding: 24px 32px 24px 0;
}

.tour-feature-block-reverse .tour-feature-content {
  padding: 24px 0 24px 32px;
}

.feature-heading {
  font-size: 22px;
  margin-bottom: 14px;
  position: relative;
  padding-left: 16px;
}

.feature-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 4px;
  background-color: var(--color-copper);
  border-radius: 2px;
}

.feature-reason {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 10px;
  line-height: 1.7;
}

.feature-scene {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 14px;
  line-height: 1.7;
  padding-left: 14px;
  border-left: 2px solid var(--color-line);
}

/* 文本展位 */
.tour-text-block {
  margin-bottom: 48px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 32px;
}

.block-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 720px;
}

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

.text-point-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
  border: 1px solid rgba(211, 202, 184, 0.5);
}

.point-label {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.text-block-note {
  font-size: 13px;
  color: var(--color-stone);
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

/* 常见误区 */
.tour-misconceptions,
.misconception-section {
  margin-bottom: 48px;
}

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

.misconception-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  border-left: 3px solid var(--color-stone);
}

.misconception-item h3,
.misconception-title {
  font-size: 16px;
  margin-bottom: 8px;
  position: relative;
  padding-left: 22px;
}

.misconception-item h3::before,
.misconception-title::before {
  content: "✕";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 14px;
  color: var(--color-copper);
}

.misconception-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* 收束双入口 */
.tour-exit-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.exit-link-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.exit-card-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.exit-link-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 14px;
  line-height: 1.6;
  flex: 1;
}

/* =========================================================
   components / 观剧须知页
   ========================================================= */
/* 摘要区 */
.check-summary-section {
  margin-bottom: 48px;
}

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

.summary-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.item-title {
  font-size: 16px;
  margin-bottom: 6px;
  position: relative;
  padding-left: 20px;
}

.item-title::before {
  content: attr(data-index);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--color-copper);
  font-weight: 700;
}

.summary-item p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 10px;
  line-height: 1.55;
  flex: 1;
}

.summary-item a {
  font-size: 13px;
  font-weight: 600;
}

/* 清单总览 */
.checklist-overview {
  margin-bottom: 48px;
}

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

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

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

.check-mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--color-stone);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.check-content h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.check-content p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* 检查展开区 */
.check-detail-section {
  margin-bottom: 48px;
}

.detail-block {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 32px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.detail-text {
  padding: 28px 0 28px 32px;
}

.detail-block-even .detail-text {
  padding: 28px 32px 28px 0;
}

.detail-text h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.detail-text p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 10px;
  line-height: 1.7;
}

.detail-figure {
  height: 100%;
  min-height: 200px;
  overflow: hidden;
}

.detail-figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.detail-figure figcaption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.04);
}

.detail-note {
  background-color: rgba(63, 92, 85, 0.05);
  border-left: 3px solid var(--color-stone);
  padding: 20px 24px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.note-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-stone);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.detail-note p:last-child {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* 可跳过 */
.skip-section {
  margin-bottom: 48px;
}

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

.skip-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
}

.skip-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  position: relative;
  padding-left: 22px;
}

.skip-item h3::before {
  content: "↷";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-stone);
  font-size: 15px;
}

.skip-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* 误区链接 */
.misconception-section .misconception-item a {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-line);
  padding: 24px 0;
  margin-top: 8px;
}

.related-links-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
  margin-right: 4px;
}

.related-link,
.related-links-item {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  background-color: var(--color-card);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.related-link:hover,
.related-links-item:hover {
  border-color: var(--color-copper);
  color: var(--color-copper);
}

/* =========================================================
   components / 短剧词典页
   ========================================================= */
.dictionary-layout {
  max-width: 100%;
}

.dictionary-intro {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 24px;
}

.dictionary-intro > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 16px;
  max-width: 720px;
}

.intro-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.term-group-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 40px;
  overflow-x: auto;
}

.term-group-nav a {
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.term-group-nav a:hover {
  color: var(--color-copper);
  border-bottom-color: var(--color-copper);
}

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

.section-note {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
  max-width: 720px;
}

.term-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.term-item {
  background-color: var(--color-card);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: baseline;
}

.term-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-ink);
  grid-row: span 2;
  white-space: nowrap;
}

.term-def {
  font-size: 14px;
  color: var(--color-ink);
  line-height: 1.6;
}

.term-context {
  font-size: 12px;
  color: var(--color-stone);
  line-height: 1.5;
}

/* 易混用提醒 */
.confusable-tips {
  margin-bottom: 32px;
}

.tip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.tip-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  border-top: 3px solid var(--color-copper);
}

.tip-card:last-child {
  border-top-color: var(--color-stone);
}

.tip-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.tip-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 14px;
  line-height: 1.65;
}

.tip-card a {
  font-size: 14px;
  font-weight: 600;
}

/* 返回链接 */
.back-links {
  padding: 20px 0;
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-line);
}

.back-links p {
  margin-right: 4px;
}

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

/* 词典配图 */
.dictionary-figure {
  margin: 32px 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card);
}

.dictionary-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.dictionary-figure figcaption {
  padding: 10px 20px;
  font-size: 13px;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.04);
}

/* =========================================================
   components / FAQ 页
   ========================================================= */
.faq-topic-nav {
  margin-bottom: 32px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.faq-topic-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 4px;
}

.faq-topic-nav li {
  margin: 0;
}

.faq-topic-nav a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.06);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.faq-topic-nav a:hover {
  background-color: rgba(168, 60, 31, 0.1);
  color: var(--color-copper);
}

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

.faq-section > h2 {
  font-size: 20px;
  margin-bottom: 16px;
  position: relative;
  padding-left: 16px;
}

.faq-section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 4px;
  background-color: var(--color-copper);
  border-radius: 2px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

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

.faq-item summary {
  padding: 18px 24px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: color var(--transition-base);
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-copper);
  transition: transform var(--transition-base);
}

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

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

.faq-answer {
  padding: 0 24px 20px;
  border-top: 1px solid rgba(211, 202, 184, 0.4);
  animation: faq-fade 0.25s ease;
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 14px;
  line-height: 1.75;
}

.faq-answer a {
  font-weight: 600;
  margin-right: 12px;
  display: inline-block;
}

@keyframes faq-fade {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}

/* FAQ 底部配图 */
.faq-media-note {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 8px;
}

.faq-figure {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.faq-figure figcaption {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.04);
}

.faq-feedback-entry {
  padding: 8px 8px 8px 0;
}

.faq-feedback-entry p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

/* =========================================================
   components / 意见反馈页
   ========================================================= */
.page-layout.layout-shell {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}

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

.feedback-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px;
}

.feedback-section h2 {
  font-size: 19px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 16px;
}

.feedback-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 4px;
  background-color: var(--color-copper);
  border-radius: 2px;
}

.feedback-boundary .feedback-section h2::before {
  background-color: var(--color-stone);
}

.feedback-section > p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.feedback-type-list,
.feedback-not-handled-list {
  display: grid;
  gap: 10px;
}

.feedback-type-list li,
.feedback-not-handled-list li {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 10px 14px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-copper);
}

.feedback-not-handled-list li {
  border-left-color: var(--color-stone);
}

.feedback-type-list strong,
.feedback-not-handled-list strong {
  display: block;
  font-size: 14px;
  color: var(--color-ink);
  margin-bottom: 2px;
  font-weight: 700;
}

.feedback-figure {
  margin: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-card);
}

.feedback-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.feedback-figure figcaption {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--color-muted);
  background-color: rgba(63, 92, 85, 0.04);
}

.feedback-location-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feedback-location-links a {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  transition: border-color var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.feedback-location-links a:hover {
  border-color: var(--color-copper);
}

.feedback-location-links a::after {
  content: "→";
}

.feedback-note {
  font-size: 13px;
  color: var(--color-stone);
  margin-top: 12px;
  line-height: 1.6;
}

/* 底部更多链接 */
.feedback-more-links {
  margin-top: 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}

.feedback-more-links > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.more-links-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.more-links-list a {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  background-color: var(--color-bg);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.more-links-list a:hover {
  border-color: var(--color-copper);
  color: var(--color-copper);
}

/* =========================================================
   components / 404 页面
   ========================================================= */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 65vh;
  padding: 48px 24px;
}

.error-panel {
  text-align: center;
  max-width: 600px;
  padding: 48px 40px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-copper);
  line-height: 1;
  margin-bottom: 8px;
}

.error-panel h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-lead {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.error-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background-color: var(--color-copper);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  min-height: 44px;
  border: 1px solid var(--color-copper);
}

.error-btn:hover {
  background-color: #7f2d15;
  border-color: #7f2d15;
  color: #fff;
}

.error-actions a:not(.error-btn) {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  min-height: 44px;
  background-color: var(--color-bg);
}

.error-actions a:not(.error-btn):hover {
  border-color: var(--color-copper);
  color: var(--color-copper);
}

.error-hint {
  font-size: 13px;
  color: var(--color-muted);
}

/* =========================================================
   responsive / 响应式
   ========================================================= */
/* 平板及以下 */
@media (max-width: 1024px) {
  .first-screen {
    gap: 32px;
  }

  .first-screen-copy h1 {
    font-size: 34px;
  }

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

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

/* 移动端 */
@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 99;
  }

  .site-nav .nav-list {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    max-height: calc(100vh - var(--header-h) - 20px);
    overflow-y: auto;
  }

  .site-nav .nav-list li {
    border-bottom: 1px solid rgba(211, 202, 184, 0.4);
  }

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

  .site-nav .nav-list a {
    padding: 12px 8px;
    font-size: 16px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .site-nav .nav-list a.is-current {
    border-left-color: var(--color-copper);
    border-bottom: none;
    background-color: rgba(168, 60, 31, 0.05);
  }

  .site-nav.is-open {
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .home-main,
  .inner-main {
    padding: 0 16px;
  }

  .page-header {
    padding: 12px 0 20px;
    margin-bottom: 24px;
  }

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

  .first-screen {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0 40px;
  }

  .first-screen-copy {
    padding-right: 0;
  }

  .first-screen-copy h1 {
    font-size: 30px;
  }

  .entry-links {
    flex-direction: column;
    align-items: stretch;
  }

  .entry-link-item {
    width: 100%;
  }

  .path-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .channel-row,
  .channel-row-reverse {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .channel-copy,
  .channel-row-reverse .channel-copy {
    padding: 20px;
  }

  .tag-compact-list,
  .tag-quick-list {
    grid-template-columns: 1fr;
  }

  .teaser-grid,
  .help-narrowband,
  .tour-exit-links,
  .tip-grid {
    grid-template-columns: 1fr;
  }

  .checklist-short {
    grid-template-columns: 1fr;
  }

  .checklist-short li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .duty-table-wrap {
    overflow-x: auto;
  }

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

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

  .breadcrumb {
    padding: 14px 0 6px;
    font-size: 13px;
  }

  .section-title {
    font-size: 21px;
  }

  .media-row,
  .tour-feature-block,
  .detail-block {
    grid-template-columns: 1fr;
  }

  .media-content,
  .tour-feature-content,
  .tour-feature-block-reverse .tour-feature-content {
    padding: 16px 20px 24px;
  }

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

  .text-point-list,
  .misconception-list,
  .skip-list {
    grid-template-columns: 1fr;
  }

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

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

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

  .term-item {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }

  .term-name {
    grid-row: auto;
    margin-bottom: 4px;
  }

  .faq-media-note {
    grid-template-columns: 1fr;
  }

  .faq-feedback-entry {
    padding: 0 8px 8px;
  }

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

  .dictionary-figure img {
    aspect-ratio: 16 / 8;
  }

  .detail-text,
  .detail-block-even .detail-text {
    padding: 24px 20px;
  }

  .detail-note {
    min-height: auto;
  }

  .tour-text-block {
    padding: 24px 20px;
  }

  .dictionary-intro {
    padding: 20px;
  }

  .term-group-nav {
    margin-bottom: 32px;
  }

  .related-links {
    gap: 8px;
  }

  .related-links-label {
    width: 100%;
  }

  .error-panel {
    padding: 32px 24px;
  }

  .error-code {
    font-size: 56px;
  }

  .faq-item summary {
    padding: 16px 44px 16px 18px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 18px 16px;
  }

  .feedback-section {
    padding: 20px;
  }
}

/* 小屏手机 */
@media (max-width: 390px) {
  .brand-name {
    font-size: 20px;
  }

  .first-screen-copy h1 {
    font-size: 26px;
  }

  .lead-sentence {
    font-size: 15px;
  }

  .section-title {
    font-size: 20px;
    padding-left: 14px;
  }

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

  .page-description {
    font-size: 13px;
  }

  .narrowband-item,
  .teaser-card,
  .exit-link-card,
  .tip-card,
  .feedback-section {
    padding: 18px;
  }

  .check-item {
    padding: 16px;
  }

  .term-item {
    padding: 14px 16px;
  }

  .misconception-item,
  .skip-item {
    padding: 18px 16px;
  }

  .summary-item {
    padding: 16px;
  }
}

/* =========================================================
   motion / 动效与无障碍
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .faq-answer {
    animation: none;
  }
}