/* ==========================================================================
   青果短剧 · 全站样式表
   视觉方向：明亮影音资料廊（暖白底 + 暖铜线条 + 人文衬线标题）
   ========================================================================== */

/* --------------------------------------------------------------------------
   一、Base · 基础层
   -------------------------------------------------------------------------- */
:root {
  --bg-warm: #F6F2EC;
  --ink-dark: #2B2825;
  --copper: #BF9E7E;
  --sand: #E7DED2;
  --gray-deep: #5A5651;
  --white: #FFFFFF;
  --line-light: rgba(191, 158, 126, 0.28);
  --line-soft: rgba(43, 40, 37, 0.08);
  --shadow-soft: 0 2px 10px rgba(43, 40, 37, 0.04);
  --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-w: 1200px;
  --content-max: 860px;
  --radius-s: 4px;
  --radius-m: 6px;
  --radius-l: 8px;
}

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

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

body,
.site-body {
  background-color: var(--bg-warm);
  color: var(--ink-dark);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

p {
  margin-bottom: 0;
}

figure {
  margin: 0;
}

/* 视觉隐藏（保留可访问性） */
.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;
}

/* --------------------------------------------------------------------------
   二、Layout · 布局骨架
   -------------------------------------------------------------------------- */

/* 全站统一页头 */
.site-header {
  background-color: var(--bg-warm);
  border-bottom: 1px solid var(--line-light);
  position: relative;
  z-index: 50;
}

.header-shell {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-name a {
  color: var(--ink-dark);
}

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

/* 主导航 */
.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-list li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--gray-deep);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  font-weight: 400;
}

.nav-list li a:hover {
  color: var(--ink-dark);
  border-bottom-color: var(--copper);
}

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

/* 移动端导航开关（桌面隐藏） */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
  padding: 8px 14px;
  cursor: pointer;
  color: var(--ink-dark);
  font-size: 14px;
  min-height: 44px;
}

.nav-toggle:hover {
  background-color: var(--sand);
}

.nav-toggle-label {
  font-size: 14px;
}

/* ===== 主内容区 ===== */
.site-main {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* 内页统一主容器 */
.inner-main {
  padding-top: 36px;
  padding-bottom: 64px;
}

/* 面包屑 */
.breadcrumb {
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--gray-deep);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: var(--copper);
  margin: 0 2px;
}

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

/* 内页标题区 */
.page-header {
  margin-bottom: 44px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-light);
  max-width: var(--content-max);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink-dark);
  margin-bottom: 14px;
  line-height: 1.3;
}

.page-description {
  font-size: 15px;
  color: var(--gray-deep);
  line-height: 1.9;
  max-width: 720px;
}

/* ===== 页脚 ===== */
.site-footer {
  background-color: var(--sand);
  border-top: 1px solid var(--line-light);
  margin-top: 40px;
}

.footer-shell {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 52px 28px 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-col .footer-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-dark);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-dark);
  margin-bottom: 10px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.8;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--gray-deep);
}

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

.footer-desc {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.8;
  margin-bottom: 12px;
}

.info-col a {
  font-size: 13px;
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.copyright {
  border-top: 1px solid var(--line-soft);
  padding: 20px 28px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--gray-deep);
  max-width: var(--container-w);
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   三、Components · 通用组件
   -------------------------------------------------------------------------- */

/* 通用区块标题 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-dark);
  margin-bottom: 22px;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background-color: var(--copper);
  border-radius: 2px;
}

/* 媒体图容器（通用约束） */
.content-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-l);
}

.content-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.content-media figcaption {
  background-color: var(--sand);
  color: var(--gray-deep);
  font-size: 13px;
  padding: 10px 16px;
  line-height: 1.6;
  border-top: 1px solid var(--line-soft);
}

.content-media-inline {
  max-width: 100%;
  margin-bottom: 24px;
}

.content-media-inline img {
  max-height: 320px;
  object-fit: cover;
}

/* 相关链接条 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0;
  margin-top: 32px;
  border-top: 1px solid var(--line-light);
}

.related-links-label {
  font-size: 14px;
  color: var(--gray-deep);
  margin-right: 6px;
  font-weight: 600;
}

.related-links-item,
.related-links a {
  font-size: 13px;
  color: var(--gray-deep);
  padding: 4px 12px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  transition: all 0.2s ease;
}

.related-links-item:hover,
.related-links a:hover {
  border-color: var(--copper);
  color: var(--copper);
  background-color: rgba(191, 158, 126, 0.06);
}

/* 表格通用基础 */
.compare-table,
.length-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
  overflow: hidden;
  background-color: var(--white);
}

.compare-table thead th,
.length-table thead th {
  background-color: var(--sand);
  color: var(--ink-dark);
  font-weight: 600;
  font-size: 14px;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--font-serif);
}

.compare-table tbody td,
.length-table tbody td {
  padding: 13px 18px;
  font-size: 14px;
  color: var(--gray-deep);
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.7;
}

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

.compare-table tbody tr:hover,
.length-table tbody tr:hover {
  background-color: rgba(231, 222, 210, 0.28);
}

/* 链接列表（通用） */
.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-list a {
  font-size: 14px;
  color: var(--gray-deep);
  padding: 6px 16px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  transition: all 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   四、Pages · 页面级
   -------------------------------------------------------------------------- */

/* ===== 首页 ===== */
.home-main {
  padding-bottom: 20px;
}

/* 首屏区 */
.hero-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0 48px;
}

.hero-text {
  padding-right: 10px;
}

.hero-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--ink-dark);
  line-height: 1.35;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero-lead {
  font-size: 16px;
  color: var(--gray-deep);
  line-height: 1.9;
  margin-bottom: 18px;
}

.hero-hint {
  font-size: 14px;
  color: var(--copper);
  padding-left: 14px;
  border-left: 2px solid var(--copper);
}

.hero-figure {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.hero-figure img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

/* 首屏下方第二图 */
.content-media-primary {
  margin-top: 32px;
  border-radius: var(--radius-l);
  overflow: hidden;
}

.content-media-primary img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

/* 频道入口区 */
.portal-section {
  padding: 52px 0 24px;
}

.portal-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.portal-item {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius-m);
  padding: 24px 26px;
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
}

.portal-item:hover {
  box-shadow: var(--shadow-soft);
  background-color: rgba(255, 255, 255, 0.8);
}

.portal-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.portal-item h3 a {
  color: var(--ink-dark);
}

.portal-item h3 a:hover {
  color: var(--copper);
}

.portal-item p {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.7;
}

/* 信息组织方式双段说明 */
.info-organization {
  padding: 44px 0 24px;
}

.info-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.info-block {
  background-color: rgba(231, 222, 210, 0.32);
  border-radius: var(--radius-m);
  padding: 28px 30px;
  border: 1px solid var(--line-soft);
}

.info-block h3 {
  font-size: 17px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 14px;
}

.info-block h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background-color: var(--copper);
  border-radius: 2px;
}

.info-block p {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.85;
  margin-bottom: 10px;
}

.info-block a {
  font-size: 13px;
  color: var(--copper);
  font-weight: 600;
}

/* 片单视角预览 */
.viewpoint-preview {
  padding: 44px 0 24px;
}

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

.viewpoint-card {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  transition: box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.viewpoint-card:hover {
  box-shadow: var(--shadow-soft);
}

.viewpoint-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--ink-dark);
}

.viewpoint-card p {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
  margin-bottom: 14px;
  flex-grow: 1;
}

.viewpoint-card a {
  font-size: 13px;
  color: var(--copper);
  font-weight: 600;
}

/* 观剧前须知窄带 */
.notice-strip {
  margin: 52px 0 40px;
  background-color: var(--sand);
  border-radius: var(--radius-l);
  padding: 30px 34px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.notice-link {
  display: flex;
  flex-direction: column;
}

.notice-link a {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-dark);
  margin-bottom: 6px;
}

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

.notice-link p {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.7;
}

/* ===== 频道总目页 ===== */
.page-catalog .inner-shell {
  max-width: var(--content-max);
}

.catalog-section {
  margin-bottom: 52px;
}

.catalog-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-left: 16px;
}

.catalog-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background-color: var(--copper);
  border-radius: 2px;
}

.section-note {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 20px;
  line-height: 1.8;
}

/* 题材轴 */
.topic-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.topic-item {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 20px 22px;
}

.topic-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--ink-dark);
}

.topic-item p {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.75;
}

/* 篇幅轴标尺表 */
.length-table-wrap {
  overflow-x: auto;
}

.length-table td:first-child {
  font-weight: 600;
  color: var(--ink-dark);
  font-family: var(--font-serif);
  white-space: nowrap;
}

/* 节奏轴 */
.rhythm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.rhythm-item {
  background-color: rgba(231, 222, 210, 0.4);
  border-radius: var(--radius-m);
  padding: 24px 26px;
  border-top: 3px solid var(--copper);
}

.rhythm-item h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.rhythm-item p {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
}

/* 延伸阅读 */
.related-entry {
  margin-bottom: 0;
}

.related-entry .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-entry .related-links li a {
  display: inline-block;
  font-size: 13px;
  color: var(--gray-deep);
  padding: 6px 16px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  transition: all 0.2s ease;
}

.related-entry .related-links li a:hover {
  border-color: var(--copper);
  color: var(--copper);
}

/* ===== 观剧速查页 ===== */
.page-watchguide .time-chart-section,
.page-watchguide .scene-picker-section,
.page-watchguide .decision-section {
  max-width: var(--content-max);
}

.page-watchguide .time-chart-section,
.page-watchguide .scene-picker-section,
.page-watchguide .decision-section,
.page-watchguide .guide-cta-section {
  margin-bottom: 52px;
}

.page-watchguide h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  position: relative;
  padding-left: 16px;
}

.page-watchguide h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background-color: var(--copper);
  border-radius: 2px;
}

.page-watchguide .time-chart-section > p,
.page-watchguide .scene-picker-section > p,
.page-watchguide .decision-section > p {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 20px;
}

/* 场景选择条 */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.scene-card {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.scene-card:hover {
  box-shadow: var(--shadow-soft);
}

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

.scene-card h3 {
  font-size: 16px;
  padding: 16px 18px 4px;
  color: var(--ink-dark);
}

.scene-card p {
  font-size: 13px;
  color: var(--gray-deep);
  padding: 0 18px 18px;
  line-height: 1.75;
}

/* 决策节点 */
.decision-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.decision-item {
  background-color: rgba(231, 222, 210, 0.4);
  border-radius: var(--radius-m);
  padding: 22px 24px;
  border-left: 3px solid var(--copper);
}

.decision-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.decision-item p {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.75;
}

/* 前往观看指南 */
.guide-cta-card {
  background-color: var(--sand);
  border-radius: var(--radius-l);
  padding: 30px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.guide-cta-text {
  font-size: 15px;
  color: var(--ink-dark);
  font-weight: 500;
}

.guide-cta-link a {
  display: inline-block;
  background-color: var(--copper);
  color: var(--white);
  padding: 10px 22px;
  border-radius: var(--radius-m);
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.guide-cta-link a:hover {
  background-color: var(--ink-dark);
}

/* ===== 档案读法页 ===== */
.page-fieldguide .field-diagram-section,
.page-fieldguide .field-list-section,
.page-fieldguide .judge-steps-section,
.page-fieldguide .related-links-section {
  max-width: var(--content-max);
}

.page-fieldguide .field-diagram-section,
.page-fieldguide .field-list-section,
.page-fieldguide .judge-steps-section,
.page-fieldguide .related-links-section {
  margin-bottom: 52px;
}

.field-diagram-figure {
  border-radius: var(--radius-l);
  overflow: hidden;
  margin-bottom: 12px;
}

.field-diagram-figure img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
}

.field-diagram-figure figcaption {
  background-color: var(--sand);
  color: var(--gray-deep);
  font-size: 13px;
  padding: 10px 16px;
}

.field-diagram-section > p,
.field-list-section > .section-intro,
.judge-steps-section > .section-intro {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 20px;
}

/* 档案字段项 */
.field-item {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 20px 24px;
  margin-bottom: 14px;
}

.field-name {
  font-size: 16px;
  color: var(--ink-dark);
  margin-bottom: 6px;
  font-weight: 600;
}

.field-meaning {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.75;
  margin-bottom: 6px;
}

.field-tip {
  font-size: 13px;
  color: var(--copper);
  padding-left: 12px;
  border-left: 2px solid var(--copper);
  line-height: 1.7;
}

/* 判断步骤 */
.judge-step {
  display: flex;
  gap: 18px;
  margin-bottom: 20px;
  background-color: rgba(231, 222, 210, 0.32);
  border-radius: var(--radius-m);
  padding: 20px 24px;
}

.step-label {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--copper);
  font-weight: 700;
  background-color: var(--white);
  border: 1px solid var(--line-light);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.judge-step .step-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-desc {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
}

.steps-conclusion {
  background-color: var(--sand);
  border-radius: var(--radius-m);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--ink-dark);
  line-height: 1.8;
}

/* 延伸阅读列表 */
.related-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-links-list li a {
  display: inline-block;
  font-size: 13px;
  color: var(--gray-deep);
  padding: 6px 16px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  transition: all 0.2s ease;
}

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

/* ===== 观看指南页 ===== */
.page-guide .guide-goal-section,
.page-guide .guide-steps-section,
.page-guide .guide-check-section,
.page-guide .guide-related-section {
  max-width: var(--content-max);
  margin-bottom: 52px;
}

/* 目标与条件双栏 */
.goal-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.goal-card,
.condition-card {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 26px 28px;
}

.goal-card-title {
  font-size: 17px;
  margin-bottom: 14px;
  color: var(--ink-dark);
}

.goal-card p {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.85;
}

.condition-list li {
  font-size: 14px;
  color: var(--gray-deep);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.7;
}

.condition-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--copper);
}

/* 四步操作流程 */
.steps-list {
  display: grid;
  gap: 0;
  margin-bottom: 24px;
}

.guide-step {
  display: flex;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.guide-step:first-child {
  padding-top: 0;
}

.step-number {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--copper);
  background-color: var(--sand);
  border-radius: var(--radius-m);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body {
  flex: 1;
}

.step-body .step-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.step-method {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
  margin-bottom: 6px;
}

.step-method a {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.step-result {
  font-size: 13px;
  color: var(--copper);
  padding-left: 12px;
  border-left: 2px solid var(--copper);
  line-height: 1.7;
}

/* 指南配图 */
.guide-media {
  border-radius: var(--radius-l);
  overflow: hidden;
  margin-top: 24px;
}

.guide-media img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
}

.guide-media figcaption {
  background-color: var(--sand);
  color: var(--gray-deep);
  font-size: 13px;
  padding: 10px 16px;
}

/* 结果检查清单 */
.check-intro {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 18px;
}

.check-list li {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 14px 20px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--gray-deep);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-list li::before {
  content: "✓";
  color: var(--copper);
  font-weight: 700;
  flex-shrink: 0;
}

/* 延伸 */
.related-intro {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 18px;
}

.page-guide .guide-related-section .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-guide .guide-related-section .related-links li a {
  display: inline-block;
  font-size: 13px;
  color: var(--gray-deep);
  padding: 6px 16px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  transition: all 0.2s ease;
}

.page-guide .guide-related-section .related-links li a:hover {
  border-color: var(--copper);
  color: var(--copper);
}

/* ===== 短剧问答页 ===== */
.page-qa .layout-shell {
  max-width: var(--content-max);
}

/* 侧栏在前布局：DOM 中 aside 在 main 之前 */
.page-qa .sidebar-left {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: start;
}

.page-qa .qa-toc {
  position: sticky;
  top: 20px;
}

.toc-card {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 20px;
}

.toc-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-serif);
}

.toc-list li {
  margin-bottom: 8px;
}

.toc-list li a {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.6;
  display: block;
  padding: 4px 0;
}

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

/* 问答内容 */
.qa-content {
  min-width: 0;
}

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

.qa-section .content-media-inline {
  margin-bottom: 24px;
}

.qa-item {
  margin-bottom: 14px;
}

.qa-item details {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.qa-item summary {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-dark);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
  font-family: var(--font-serif);
  line-height: 1.6;
}

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

.qa-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--copper);
  font-weight: 400;
  transition: transform 0.2s ease;
}

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

.qa-item details[open] summary {
  border-bottom: 1px solid var(--line-soft);
}

.qa-answer {
  padding: 18px 22px;
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.85;
}

.qa-answer p {
  margin-bottom: 10px;
}

.qa-answer p:last-child {
  margin-bottom: 0;
}

.qa-next {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--copper);
  font-weight: 600;
}

.qa-next:hover {
  text-decoration: underline;
}

/* 延伸阅读提示 */
.reading-note {
  background-color: var(--sand);
  border-radius: var(--radius-m);
  padding: 18px 24px;
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.reading-note p {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.7;
}

.reading-note a {
  display: inline-block;
  font-size: 13px;
  color: var(--copper);
  font-weight: 600;
  margin-right: 14px;
}

.reading-note a:hover {
  text-decoration: underline;
}

/* ===== 短剧名词页 ===== */
.page-glossary .glossary-layout {
  max-width: var(--content-max);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

/* 术语索引字母导航 */
.glossary-index {
  margin-bottom: 36px;
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.glossary-index ul {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.glossary-index ul li a {
  display: inline-block;
  font-size: 13px;
  color: var(--gray-deep);
  padding: 4px 12px;
  border-radius: 16px;
  transition: all 0.2s ease;
}

.glossary-index ul li a:hover {
  background-color: var(--sand);
  color: var(--ink-dark);
}

/* 术语分组 */
.term-section {
  margin-bottom: 48px;
}

.term-section h2 {
  font-size: 22px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 16px;
}

.term-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background-color: var(--copper);
  border-radius: 2px;
}

.section-lead {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 20px;
  line-height: 1.8;
}

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

.term-item {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  align-items: baseline;
}

.term-item dt {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-dark);
}

.term-item dd {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
}

/* 相近词辨析 */
.compare-group {
  background-color: rgba(231, 222, 210, 0.32);
  border-radius: var(--radius-m);
  padding: 20px 24px;
  margin-bottom: 14px;
}

.compare-group h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--ink-dark);
}

.compare-group p {
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
}

/* 侧栏 */
.glossary-aside {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 10px;
}

.aside-card {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 20px 22px;
}

.aside-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-dark);
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.aside-card p {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.75;
}

/* ===== 内容边界页 ===== */
.page-boundary .boundary-section {
  max-width: var(--content-max);
  margin-bottom: 52px;
}

.boundary-section h2 {
  font-size: 22px;
  margin-bottom: 14px;
  position: relative;
  padding-left: 16px;
}

.boundary-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background-color: var(--copper);
  border-radius: 2px;
}

.boundary-section .section-lead {
  margin-bottom: 20px;
}

/* 三格并列 */
.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.scope-card {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 22px 24px;
}

.scope-card h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.scope-card p {
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.8;
}

/* 版权处理 */
.principle-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.principle-item {
  background-color: rgba(231, 222, 210, 0.32);
  border-radius: var(--radius-m);
  padding: 18px 22px;
  font-size: 14px;
  color: var(--gray-deep);
  line-height: 1.8;
}

/* 信息修正步骤 */
.correction-steps {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.correction-step {
  background-color: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 14px 20px;
  font-size: 14px;
  color: var(--gray-deep);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.7;
}

.correction-step::before {
  content: "①";
  color: var(--copper);
  font-weight: 700;
  flex-shrink: 0;
}

.correction-step:nth-child(2)::before {
  content: "②";
}

.correction-step:nth-child(3)::before {
  content: "③";
}

.correction-note {
  background-color: var(--sand);
  border-radius: var(--radius-m);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--gray-deep);
  line-height: 1.75;
  margin-top: 14px;
}

/* 版权行 */
.copyright-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.copyright-item {
  font-size: 13px;
  color: var(--gray-deep);
}

/* 内容边界页延伸阅读 */
.page-boundary .related-links {
  max-width: var(--content-max);
}

.page-boundary .link-list a {
  font-size: 13px;
  color: var(--gray-deep);
  padding: 6px 16px;
  border: 1px solid var(--line-light);
  border-radius: 20px;
  transition: all 0.2s ease;
}

.page-boundary .link-list a:hover {
  border-color: var(--copper);
  color: var(--copper);
}

/* ===== 404 页 ===== */
.site-error .error-main {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 80px 28px 100px;
}

.error-panel {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--copper);
  line-height: 1.2;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 28px;
  color: var(--ink-dark);
  margin-bottom: 16px;
}

.error-lead {
  font-size: 16px;
  color: var(--ink-dark);
  margin-bottom: 10px;
}

.error-desc {
  font-size: 14px;
  color: var(--gray-deep);
  margin-bottom: 28px;
  line-height: 1.8;
}

.error-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.action-link {
  display: inline-block;
  padding: 10px 26px;
  border-radius: var(--radius-m);
  font-size: 14px;
  border: 1px solid var(--line-light);
  color: var(--gray-deep);
  transition: all 0.2s ease;
  min-height: 44px;
  line-height: 1.6;
}

.action-link:hover {
  border-color: var(--copper);
  color: var(--copper);
}

.action-primary {
  background-color: var(--copper);
  border-color: var(--copper);
  color: var(--white);
  font-weight: 600;
}

.action-primary:hover {
  background-color: var(--ink-dark);
  border-color: var(--ink-dark);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   五、Responsive · 响应式
   -------------------------------------------------------------------------- */

/* 平板 */
@media (max-width: 1024px) {
  .header-shell {
    padding: 0 20px;
  }

  .site-main {
    padding: 0 20px;
  }

  .footer-shell {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 44px 20px 24px;
  }

  .hero-section {
    gap: 32px;
    padding: 48px 0 40px;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-figure img {
    height: 300px;
  }

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

  .viewpoint-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .decision-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .scope-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 手机端导航切换 */
@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

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

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-warm);
    border-bottom: 1px solid var(--line-light);
    box-shadow: 0 8px 20px rgba(43, 40, 37, 0.06);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 0;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }

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

  .nav-list li a {
    padding: 14px 8px;
    font-size: 15px;
    border-bottom: 1px solid var(--line-soft);
    border-left: 3px solid transparent;
    border-radius: 0;
  }

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

  .nav-list li a.is-current {
    border-left-color: var(--copper);
    border-bottom-color: var(--line-soft);
  }

  .nav-list li a:hover {
    background-color: rgba(231, 222, 210, 0.3);
    border-left-color: var(--copper);
  }
}

/* 手机 */
@media (max-width: 640px) {
  .header-shell {
    padding: 0 16px;
    min-height: 60px;
  }

  .brand-name {
    font-size: 19px;
  }

  .site-main {
    padding: 0 16px;
  }

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

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

  .page-header {
    margin-bottom: 32px;
    padding-bottom: 18px;
  }

  .page-title {
    font-size: 26px;
    margin-bottom: 10px;
  }

  .page-description {
    font-size: 14px;
    line-height: 1.8;
  }

  .section-title {
    font-size: 20px;
    margin-bottom: 18px;
  }

  /* 首页 */
  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 36px 0 32px;
  }

  .hero-text {
    padding-right: 0;
  }

  .hero-title {
    font-size: 28px;
  }

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

  .content-media-primary img {
    max-height: 200px;
  }

  .portal-section {
    padding: 36px 0 16px;
  }

  .portal-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .portal-item {
    padding: 18px 20px;
  }

  .info-organization {
    padding: 32px 0 16px;
  }

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

  .info-block {
    padding: 22px 20px;
  }

  .viewpoint-preview {
    padding: 32px 0 16px;
  }

  .viewpoint-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .viewpoint-card {
    padding: 20px;
  }

  .notice-strip {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 36px 0 28px;
    padding: 24px 20px;
  }

  /* 频道总目 */
  .topic-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .topic-item {
    padding: 16px 18px;
  }

  .rhythm-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .rhythm-item {
    padding: 18px 20px;
  }

  .length-table tbody td,
  .length-table thead th {
    padding: 10px 12px;
    font-size: 13px;
  }

  /* 观剧速查 */
  .scene-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .scene-card img {
    height: 140px;
  }

  .decision-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .decision-item {
    padding: 18px 20px;
  }

  .compare-table tbody td,
  .compare-table thead th {
    padding: 10px 12px;
    font-size: 13px;
  }

  .guide-cta-card {
    padding: 22px 20px;
    flex-direction: column;
    align-items: flex-start;
  }

  /* 档案读法 */
  .field-item {
    padding: 16px 18px;
  }

  .judge-step {
    flex-direction: column;
    gap: 10px;
    padding: 18px;
  }

  .step-label {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }

  .field-diagram-figure img {
    max-height: 200px;
  }

  /* 观看指南 */
  .goal-layout {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .goal-card,
  .condition-card {
    padding: 20px;
  }

  .guide-step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    width: 38px;
    height: 38px;
    font-size: 13px;
  }

  .guide-media img {
    max-height: 200px;
  }

  /* 问答页 */
  .page-qa .sidebar-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  /* 移动端：问答内容在前，目录在后 */
  .page-qa .qa-content {
    order: 1;
  }

  .page-qa .qa-toc {
    order: 2;
    position: static;
  }

  .toc-card {
    padding: 16px;
  }

  .qa-item summary {
    padding: 14px 40px 14px 16px;
    font-size: 14px;
  }

  .qa-answer {
    padding: 14px 16px;
    font-size: 13px;
  }

  .reading-note {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* 名词页 */
  .glossary-index {
    padding: 10px 14px;
    position: static;
  }

  .glossary-index ul {
    gap: 4px;
  }

  .glossary-index ul li a {
    font-size: 12px;
    padding: 3px 10px;
  }

  .term-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px 18px;
  }

  .glossary-aside {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .compare-group {
    padding: 16px 18px;
  }

  /* 内容边界 */
  .scope-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .scope-card {
    padding: 18px;
  }

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

  .correction-step {
    padding: 12px 16px;
  }

  .correction-note {
    padding: 14px 16px;
  }

  /* 页脚 */
  .footer-shell {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 36px 16px 20px;
  }

  .copyright {
    padding: 16px 16px 20px;
    font-size: 12px;
  }

  /* 404 */
  .site-error .error-main {
    padding: 48px 16px 72px;
  }

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

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

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

/* 超小屏 */
@media (max-width: 380px) {
  .brand-name {
    font-size: 17px;
  }

  .nav-toggle-label {
    font-size: 13px;
  }

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

  .page-title {
    font-size: 23px;
  }
}