/* ==========================================================================
   base / reset
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.85;
  color: #262522;
  background-color: #F7F6F2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #262522;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #A45032;
}

p {
  margin: 0 0 1em;
}

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  font-weight: 700;
  line-height: 1.4;
  color: #262522;
}

h1 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  font-weight: 700;
}

h2, h3 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

figure {
  margin: 0;
}

details summary {
  cursor: pointer;
}

details summary::-webkit-details-marker {
  display: none;
}

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

/* ==========================================================================
   layout / 全站骨架
   ========================================================================== */

.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #D8D4CC;
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand-link {
  display: inline-flex;
  align-items: baseline;
  flex-shrink: 0;
}

.brand-name {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #262522;
}

.brand-link:hover .brand-name {
  color: #A45032;
}

.site-nav .nav-list {
  display: flex;
  gap: 4px;
}

.site-nav .nav-list li a {
  display: inline-block;
  padding: 8px 13px;
  font-size: 14px;
  color: #4A4843;
  border-radius: 4px;
  border-bottom: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav .nav-list li a:hover {
  color: #A45032;
  background-color: #F7F6F2;
}

.site-nav .nav-list li a.is-current {
  color: #262522;
  font-weight: 600;
  border-bottom-color: #A45032;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid #D8D4CC;
  border-radius: 6px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #262522;
  border-radius: 1px;
}

.site-main {
  min-height: 60vh;
}

.site-footer {
  background-color: #EFEDE7;
  border-top: 1px solid #D8D4CC;
  margin-top: 80px;
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 56px 24px 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
}

.footer-brand h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 13px;
  color: #6E6C66;
  line-height: 1.8;
  margin: 0;
  max-width: 280px;
}

.footer-col h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  color: #262522;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: #6E6C66;
  line-height: 1.7;
}

.footer-col ul li a:hover {
  color: #A45032;
}

.footer-boundary ul li {
  font-size: 13px;
  color: #6E6C66;
  line-height: 1.7;
  margin-bottom: 8px;
  padding-left: 14px;
  position: relative;
}

.footer-boundary ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 6px;
  border: 1px solid #A45032;
  border-radius: 50%;
}

.footer-bottom {
  max-width: 1160px;
  margin: 0 auto;
  padding: 16px 24px 32px;
  border-top: 1px solid #D8D4CC;
}

.footer-bottom p {
  font-size: 13px;
  color: #6E6C66;
  margin: 0;
}

/* ==========================================================================
   layout / 页面通用容器（内页）
   ========================================================================== */

.inner-main {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0 8px;
  font-size: 13px;
  color: #6E6C66;
}

.breadcrumb a {
  color: #6E6C66;
}

.breadcrumb a:hover {
  color: #A45032;
}

.breadcrumb-sep {
  color: #B5B0A6;
}

.breadcrumb-current {
  color: #262522;
  font-weight: 500;
}

.page-header {
  padding: 24px 0 32px;
  border-bottom: 1px solid #D8D4CC;
  margin-bottom: 40px;
}

.page-title {
  font-size: 34px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  max-width: 720px;
}

.page-description {
  font-size: 16px;
  color: #6E6C66;
  max-width: 720px;
  margin: 0;
  line-height: 1.8;
}

.page-intro {
  font-size: 15px;
  color: #6E6C66;
  max-width: 720px;
  margin: 16px 0 0;
  line-height: 1.85;
}

/* ==========================================================================
   layout / sidebar-left 双栏结构
   ========================================================================== */

.layout-shell.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
  margin: 0 auto;
  max-width: 1160px;
  padding: 24px;
}

.layout-shell.sidebar-left .channel-rail,
.layout-shell.sidebar-left .faq-topic-sidebar {
  position: sticky;
  top: 24px;
}

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

/* ==========================================================================
   components / 频道卡片
   ========================================================================== */

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

.channel-card {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.channel-card:hover {
  border-color: #B5A98F;
  box-shadow: 0 2px 12px rgba(38, 37, 34, 0.06);
}

.card-figure {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #EFEDE7;
}

.card-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 20px;
}

.card-no {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #A45032;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.card-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.card-scope {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 8px;
}

.card-tip {
  font-size: 14px;
  color: #4A4843;
  margin-bottom: 14px;
  line-height: 1.7;
}

.card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
  border-bottom: 1px solid transparent;
}

.card-link:hover {
  border-bottom-color: #A45032;
}

/* ==========================================================================
   components / 通用按钮
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background-color: #262522;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #A45032;
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  border-color: #B5B0A6;
  color: #262522;
}

.btn-secondary:hover {
  border-color: #A45032;
  color: #A45032;
}

/* ==========================================================================
   components / details 折叠
   ========================================================================== */

.faq-item {
  border-bottom: 1px solid #D8D4CC;
  padding: 18px 0;
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 600;
  color: #262522;
  line-height: 1.6;
  padding: 4px 0;
}

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: #A45032;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.2s ease;
}

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

.faq-item .faq-answer {
  padding: 12px 0 4px;
}

.faq-item .faq-answer p {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.8;
  margin-bottom: 10px;
}

/* ==========================================================================
   components / 文字链接
   ========================================================================== */

.text-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: #A45032;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.text-link:hover {
  border-bottom-color: #A45032;
}

/* ==========================================================================
   components / 首页 hero
   ========================================================================== */

.hero-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 64px 24px 72px;
}

.hero-kicker {
  font-size: 13px;
  font-weight: 600;
  color: #A45032;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero-text h1 {
  font-size: 40px;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
  max-width: 520px;
}

.hero-lead {
  font-size: 18px;
  font-weight: 600;
  color: #262522;
  margin-bottom: 12px;
  line-height: 1.6;
}

.hero-desc {
  font-size: 15px;
  color: #6E6C66;
  line-height: 1.85;
  margin-bottom: 28px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-media {
  position: relative;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #D8D4CC;
}

.hero-media figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: #6E6C66;
  text-align: right;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

/* ==========================================================================
   components / 首页频道轨道
   ========================================================================== */

.channel-rail {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px 20px;
}

.channel-rail h2 {
  font-size: 16px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #D8D4CC;
}

.rail-list li {
  margin-bottom: 4px;
}

.rail-list li a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 6px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.rail-list li a:hover {
  background-color: #F7F6F2;
}

.rail-index {
  font-size: 12px;
  color: #A45032;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  flex-shrink: 0;
}

.rail-name {
  font-size: 15px;
  font-weight: 600;
  color: #262522;
  flex-shrink: 0;
}

.rail-note {
  font-size: 13px;
  color: #6E6C66;
  line-height: 1.5;
}

.rail-footlink {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
  border-bottom: 1px solid transparent;
}

.rail-footlink:hover {
  border-bottom-color: #A45032;
}

/* ==========================================================================
   components / 首页栏目区块标题
   ========================================================================== */

.channel-entry,
.org-note,
.route-preview,
.glossary-strip,
.faq-teaser {
  margin-bottom: 64px;
}

.channel-entry h2,
.org-note h2,
.route-preview h2,
.glossary-strip h2,
.faq-teaser h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 24px;
  max-width: 600px;
}

/* ==========================================================================
   components / 首页 双栏说明
   ========================================================================== */

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

.org-col {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px;
}

.org-col h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.org-col p {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.8;
  margin-bottom: 14px;
}

.org-col a {
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
}

/* ==========================================================================
   components / 首页挑剧路径预览
   ========================================================================== */

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

.route-step {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px;
  position: relative;
  transition: border-color 0.2s ease;
}

.route-step:hover {
  border-color: #A45032;
}

.step-no {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: #A45032;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 10px;
}

.route-step h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.route-step p {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.7;
  margin-bottom: 14px;
}

.route-step a {
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
}

.route-morelink {
  display: inline-block;
  margin-top: 20px;
  font-size: 15px;
  font-weight: 600;
  color: #A45032;
  border-bottom: 1px solid transparent;
}

.route-morelink:hover {
  border-bottom-color: #A45032;
}

/* ==========================================================================
   components / 首页名词条
   ========================================================================== */

.glossary-strip {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px;
}

.glossary-strip h2 {
  font-size: 18px;
}

.glossary-strip > p {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 16px;
}

.term-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.term-tags li a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  color: #4A4843;
  border: 1px solid #D8D4CC;
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.term-tags li a:hover {
  border-color: #A45032;
  color: #A45032;
}

.glossary-link {
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
}

/* ==========================================================================
   components / 首页 FAQ 预览
   ========================================================================== */

.faq-teaser-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: start;
}

.faq-preview {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 8px 24px;
}

.faq-preview .faq-item {
  border-bottom-color: #D8D4CC;
}

.faq-preview .faq-item:last-child {
  border-bottom: none;
}

.faq-morelink {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
}

.faq-side {
  background-color: #EFEDE7;
  border-radius: 8px;
  padding: 24px;
}

.faq-side h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.faq-side p {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.75;
  margin-bottom: 16px;
}

.faq-side-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-side-links a {
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
}

/* ==========================================================================
   pages / 频道总览 catalog
   ========================================================================== */

.catalog-intro {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
}

.intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #D8D4CC;
}

.meta-item {
  font-size: 13px;
  color: #6E6C66;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  padding-right: 16px;
  border-right: 1px solid #D8D4CC;
}

.meta-item:last-child {
  border-right: none;
}

.intro-copy .section-title {
  font-size: 20px;
  margin-bottom: 10px;
}

.intro-copy p {
  font-size: 15px;
  color: #4A4843;
  line-height: 1.8;
  max-width: 720px;
}

.catalog-compare-table {
  margin-top: 28px;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  overflow: hidden;
}

.compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
  gap: 0;
  border-bottom: 1px solid #D8D4CC;
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-head {
  background-color: #EFEDE7;
}

.compare-cell {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  border-right: 1px solid #D8D4CC;
}

.compare-cell:last-child {
  border-right: none;
}

.compare-head .compare-cell {
  font-weight: 700;
  color: #262522;
  font-size: 13px;
}

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

.channel-grid-section .section-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-description {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 32px;
  max-width: 600px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.channel-card .channel-figure {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #EFEDE7;
}

.channel-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.channel-info {
  padding: 20px;
}

.channel-index {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #A45032;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 8px;
}

.channel-text .channel-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.channel-scope {
  font-size: 14px;
  color: #A45032;
  font-weight: 500;
  margin-bottom: 6px;
}

.channel-tone {
  font-size: 14px;
  color: #6E6C66;
  line-height: 1.7;
  margin-bottom: 8px;
}

.channel-advice {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.7;
  margin: 0;
}

.channel-next {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 32px;
}

.channel-next .section-title {
  font-size: 18px;
  margin-bottom: 16px;
}

.next-content p {
  font-size: 15px;
  color: #4A4843;
  line-height: 1.8;
  margin-bottom: 12px;
  max-width: 720px;
}

.next-content a {
  font-size: 15px;
  font-weight: 600;
  color: #A45032;
  margin-right: 20px;
}

/* ==========================================================================
   pages / 挑剧路径 route
   ========================================================================== */

.route-goal-block,
.route-condition-block,
.route-steps-block,
.route-check-block {
  margin-bottom: 56px;
}

.route-goal-block {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 32px;
}

.goal-copy h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.goal-copy h2 .section-number {
  color: #A45032;
  margin-right: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.goal-copy p {
  font-size: 15px;
  color: #4A4843;
  line-height: 1.8;
}

.goal-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #D8D4CC;
}

.goal-figure figcaption {
  font-size: 13px;
  color: #6E6C66;
  margin-top: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.route-condition-block h2,
.route-steps-block h2,
.route-check-block h2 {
  font-size: 22px;
  margin-bottom: 24px;
}

.route-condition-block h2 .section-number,
.route-steps-block h2 .section-number,
.route-check-block h2 .section-number {
  color: #A45032;
  margin-right: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.condition-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.condition-item {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px;
}

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

.condition-item p {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.75;
  margin: 0;
}

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

.step-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px;
}

.step-head .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #262522;
  color: #FFFFFF;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 16px;
  font-weight: 600;
}

.step-head h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.step-item > p {
  font-size: 15px;
  color: #4A4843;
  line-height: 1.8;
  margin: 0;
  grid-column: 2;
}

.check-intro {
  font-size: 15px;
  color: #6E6C66;
  margin-bottom: 24px;
  max-width: 720px;
}

.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.check-list li {
  display: flex;
  gap: 14px;
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 20px;
}

.check-box {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 2px solid #B5B0A6;
  border-radius: 4px;
  position: relative;
}

.check-copy h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.check-copy p {
  font-size: 14px;
  color: #6E6C66;
  line-height: 1.7;
  margin: 0;
}

.route-exit-block {
  margin-top: 48px;
}

.exit-panel {
  background-color: #EFEDE7;
  border-radius: 8px;
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.exit-panel p {
  font-size: 15px;
  color: #262522;
  margin: 0;
  max-width: 480px;
  line-height: 1.7;
}

.exit-links {
  display: flex;
  gap: 24px;
}

/* ==========================================================================
   pages / 观前准备 primer
   ========================================================================== */

.primer-check-section {
  margin-bottom: 56px;
}

.section-heading-wrap {
  margin-bottom: 24px;
}

.section-heading-wrap h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-heading-wrap p {
  font-size: 15px;
  color: #6E6C66;
  max-width: 720px;
}

.primer-check-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.primer-check-item {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px;
  display: flex;
  gap: 16px;
}

.check-number {
  flex-shrink: 0;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
  color: #A45032;
  border: 1px solid #D8D4CC;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.check-content h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.check-content p {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.75;
  margin-bottom: 10px;
}

.check-content a {
  font-size: 14px;
  font-weight: 600;
  color: #A45032;
}

.media-state-section {
  margin-bottom: 56px;
}

.media-state-copy {
  margin-bottom: 24px;
}

.media-state-copy h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.media-state-copy p {
  font-size: 15px;
  color: #6E6C66;
  max-width: 720px;
}

.media-state-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #D8D4CC;
}

.media-state-figure figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 13px;
  color: #6E6C66;
}

.media-caption-label {
  font-style: italic;
}

.media-caption-id {
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.primer-next-section {
  margin-bottom: 48px;
}

.next-step-card {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 32px;
  text-align: center;
}

.next-step-label {
  font-size: 13px;
  font-weight: 600;
  color: #A45032;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.next-step-text {
  font-size: 17px;
  color: #262522;
  font-weight: 500;
  margin-bottom: 20px;
}

.next-step-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.next-primary-link {
  display: inline-block;
  padding: 12px 28px;
  background-color: #262522;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.next-primary-link:hover {
  background-color: #A45032;
  color: #FFFFFF;
}

.next-secondary-link {
  display: inline-block;
  padding: 11px 28px;
  background-color: transparent;
  color: #262522;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid #B5B0A6;
  border-radius: 6px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.next-secondary-link:hover {
  border-color: #A45032;
  color: #A45032;
}

.related-links {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid #D8D4CC;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  color: #6E6C66;
  margin-right: 4px;
}

.related-links-item {
  font-size: 14px;
  color: #A45032;
  font-weight: 500;
}

.related-links-item:hover {
  text-decoration: underline;
}

/* ==========================================================================
   pages / 短剧名词 glossary
   ========================================================================== */

.glossary-figure {
  margin-bottom: 48px;
}

.glossary-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #D8D4CC;
}

.glossary-figure figcaption {
  font-size: 13px;
  color: #6E6C66;
  margin-top: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.glossary-section {
  margin-bottom: 56px;
}

.glossary-section .section-title {
  font-size: 20px;
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.section-lead {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 24px;
  max-width: 720px;
}

.term-list {
  border-top: 1px solid #D8D4CC;
}

.term-item {
  border-bottom: 1px solid #D8D4CC;
  padding: 20px 0;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
}

.term-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.term-name {
  font-size: 16px;
  margin: 0;
}

.term-tag {
  font-size: 12px;
  color: #A45032;
  background-color: #F7F6F2;
  border: 1px solid #D8D4CC;
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}

.term-def {
  font-size: 14px;
  color: #4A4843;
  line-height: 1.8;
  margin: 0;
}

.glossary-related {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 32px;
}

.glossary-related .section-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.glossary-related > p {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 20px;
}

.glossary-related .related-links {
  border-top: none;
  padding: 0;
  display: flex;
  gap: 24px;
}

.glossary-related .related-links li a {
  font-size: 15px;
  font-weight: 600;
  color: #A45032;
}

/* ==========================================================================
   pages / 常见问题 faq
   ========================================================================== */

.faq-figure {
  margin-bottom: 40px;
}

.faq-figure img {
  width: 100%;
  aspect-ratio: 21 / 6;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #D8D4CC;
}

.faq-figure figcaption {
  font-size: 13px;
  color: #6E6C66;
  margin-top: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.faq-topic-sidebar {
  background-color: #FFFFFF;
  border: 1px solid #D8D4CC;
  border-radius: 8px;
  padding: 24px 20px;
}

.sidebar-title {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #D8D4CC;
}

.topic-list li {
  margin-bottom: 2px;
}

.topic-list li a {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: #4A4843;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.topic-list li a:hover {
  background-color: #F7F6F2;
  border-left-color: #A45032;
}

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

.faq-group .module-title {
  font-size: 18px;
  margin-bottom: 4px;
  padding-bottom: 12px;
  border-bottom: 2px solid #262522;
}

.module-index {
  color: #A45032;
  margin-right: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 15px;
}

.faq-content .faq-item summary {
  font-size: 15px;
}

.faq-next-step {
  margin-top: 24px;
  background-color: #EFEDE7;
  border-radius: 8px;
  padding: 28px 32px;
}

.faq-next-step .module-title {
  font-size: 17px;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 8px;
}

.next-step-content p {
  font-size: 15px;
  color: #4A4843;
  max-width: 720px;
  margin-bottom: 16px;
}

.next-step-links {
  display: flex;
  gap: 24px;
}

/* ==========================================================================
   pages / 边界说明 boundary
   ========================================================================== */

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

.boundary-section .section-title {
  font-size: 22px;
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.section-index {
  color: #A45032;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 18px;
}

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

.content-media img {
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #D8D4CC;
}

.content-media figcaption {
  font-size: 13px;
  color: #6E6C66;
  margin-top: 8px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.boundary-copy {
  max-width: 720px;
}

.boundary-copy p {
  font-size: 15px;
  color: #4A4843;
  line-height: 1.9;
  margin-bottom: 14px;
}

.principle-list,
.nonpromise-list {
  max-width: 720px;
}

.principle-list li,
.nonpromise-list li {
  font-size: 15px;
  color: #4A4843;
  line-height: 1.8;
  padding: 10px 0 10px 24px;
  position: relative;
  border-bottom: 1px solid #EFEDE7;
}

.principle-list li::before {
  content: "01";
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 13px;
  color: #A45032;
  position: absolute;
  left: 0;
  top: 12px;
}

.nonpromise-list li::before {
  content: "×";
  font-size: 16px;
  color: #A45032;
  position: absolute;
  left: 0;
  top: 10px;
  font-weight: 700;
}

.boundary-note {
  background-color: #EFEDE7;
  border-radius: 8px;
  padding: 20px 24px;
  max-width: 720px;
}

.boundary-note p {
  font-size: 14px;
  color: #6E6C66;
  line-height: 1.8;
  margin: 0;
}

.update-note {
  font-size: 13px;
  color: #6E6C66;
  margin-top: 24px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

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

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  min-height: 60vh;
}

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

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #D8D4CC;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  line-height: 1.2;
  margin-bottom: 16px;
}

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

.error-lead {
  font-size: 16px;
  color: #4A4843;
  margin-bottom: 8px;
}

.error-desc {
  font-size: 14px;
  color: #6E6C66;
  margin-bottom: 28px;
}

.error-action {
  display: inline-block;
  padding: 12px 32px;
  background-color: #262522;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.error-action:hover {
  background-color: #A45032;
  color: #FFFFFF;
}

/* ==========================================================================
   responsive / 平板与窄屏
   ========================================================================== */

@media (max-width: 1024px) {
  .layout-shell.sidebar-left {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 24px;
  }

  .layout-shell.sidebar-left .channel-rail,
  .layout-shell.sidebar-left .faq-topic-sidebar {
    position: static;
  }

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

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

  .hero-intro {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-text h1 {
    font-size: 34px;
  }

  .route-goal-block {
    grid-template-columns: 1fr;
  }

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

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

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

  .term-item {
    grid-template-columns: 160px 1fr;
  }
}

/* ==========================================================================
   responsive / 手机端
   ========================================================================== */

@media (max-width: 640px) {
  .header-inner {
    padding: 0 16px;
    min-height: 56px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .site-nav .nav-list {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #D8D4CC;
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 2px;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }

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

  .site-nav .nav-list li a {
    display: block;
    padding: 12px 12px;
    font-size: 15px;
    border-bottom: 1px solid #EFEDE7;
    border-radius: 0;
  }

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

  .site-nav .nav-list li a.is-current {
    color: #A45032;
    border-bottom-color: #EFEDE7;
    background-color: #F7F6F2;
  }

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

  .breadcrumb {
    padding-top: 12px;
    font-size: 12px;
    flex-wrap: wrap;
  }

  .page-header {
    padding: 16px 0 24px;
    margin-bottom: 28px;
  }

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

  .page-description {
    font-size: 15px;
  }

  .layout-shell.sidebar-left {
    padding: 0;
  }

  .hero-intro {
    padding: 40px 16px 48px;
    gap: 24px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .hero-lead {
    font-size: 16px;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

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

  .channel-entry,
  .org-note,
  .route-preview,
  .glossary-strip,
  .faq-teaser {
    margin-bottom: 48px;
  }

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

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

  .faq-teaser-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 16px 24px;
  }

  .footer-brand p {
    max-width: none;
  }

  .footer-bottom {
    padding: 14px 16px 24px;
  }

  .catalog-intro {
    padding: 20px;
  }

  .intro-meta {
    flex-direction: column;
    gap: 6px;
  }

  .meta-item {
    border-right: none;
    padding-right: 0;
  }

  .compare-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .compare-cell {
    border-right: none;
    border-bottom: 1px solid #EFEDE7;
  }

  .compare-cell:last-child {
    border-bottom: none;
  }

  .compare-head {
    display: none;
  }

  .compare-row .col-channel {
    font-weight: 700;
    background-color: #F7F6F2;
  }

  .channel-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .channel-next {
    padding: 20px;
  }

  .route-goal-block {
    padding: 20px;
    gap: 20px;
  }

  .step-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px;
  }

  .step-item > p {
    grid-column: 1;
  }

  .step-head .step-index {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .exit-panel {
    padding: 20px;
  }

  .exit-links {
    flex-direction: column;
    gap: 12px;
  }

  .primer-check-item {
    flex-direction: column;
  }

  .next-step-card {
    padding: 24px 20px;
  }

  .next-step-links {
    flex-direction: column;
  }

  .term-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 0;
  }

  .term-head {
    flex-wrap: wrap;
  }

  .faq-figure img {
    aspect-ratio: 4 / 3;
  }

  .faq-topic-sidebar {
    padding: 16px;
  }

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

  .topic-list li {
    margin-bottom: 0;
  }

  .topic-list li a {
    padding: 6px 12px;
    border: 1px solid #D8D4CC;
    border-radius: 999px;
    font-size: 13px;
    border-left: 1px solid #D8D4CC;
  }

  .topic-list li a:hover {
    border-color: #A45032;
    border-left-color: #A45032;
  }

  .faq-next-step {
    padding: 20px;
  }

  .next-step-links {
    flex-direction: column;
  }

  .boundary-section .section-title {
    font-size: 19px;
  }

  .content-media img {
    aspect-ratio: 4 / 3;
  }

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

/* ==========================================================================
   responsive / 极窄屏
   ========================================================================== */

@media (max-width: 360px) {
  .hero-text h1 {
    font-size: 26px;
  }

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

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