/* ==========================================================================
   光棍电影网 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. base —— 变量、重置、排版基线
   -------------------------------------------------------------------------- */

:root {
  --bg-page: #FBFAF7;
  --bg-card: #FFFFFF;
  --bg-soft: #F6F4EF;
  --ink-strong: #2E2C29;
  --ink-muted: #6E6A64;
  --accent: #A8894F;
  --accent-soft: #C9AE7C;
  --line: #E4E0D8;
  --line-strong: #D2CCBF;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1120px;
  --prose: 720px;
  --font-serif: Georgia, "Songti SC", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

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

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

body {
  margin: 0;
  background-color: var(--bg-page);
  color: var(--ink-strong);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-strong);
}

p {
  margin: 0;
}

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

a {
  color: var(--ink-strong);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

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

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

figure {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
}

time {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   2. layout —— 全站骨架：页头、主导航、主容器、面包屑、页标题区、页脚
   -------------------------------------------------------------------------- */

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-page);
}

/* 页头与主导航 */
.site-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex: 0 0 auto;
  padding: 10px 0;
}

.brand-mark {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--ink-strong);
}

.brand-slogan {
  font-size: 13px;
  color: var(--ink-muted);
}

.brand:hover .brand-mark {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 1px;
  background-color: var(--ink-strong);
}

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

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

.nav-list > li > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--ink-muted);
  border-bottom: 2px solid transparent;
}

.nav-list > li > a:hover {
  color: var(--ink-strong);
  border-bottom-color: var(--line-strong);
}

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

/* 主内容容器 */
.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 8px;
}

.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 56px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 13px;
  color: var(--ink-muted);
}

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

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

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

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

/* 内页标题区 */
.page-header {
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--ink-strong);
}

.page-description {
  margin-top: 12px;
  max-width: var(--prose);
  font-size: 16px;
  color: var(--ink-muted);
}

/* 页脚 */
.site-footer {
  flex: 0 0 auto;
  margin-top: 24px;
  background-color: var(--bg-card);
  border-top: 1px solid var(--line);
}

.site-footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 44px 24px 32px;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(0, 2fr);
  gap: 40px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-strong);
}

.footer-brand-desc {
  margin-top: 10px;
  max-width: 320px;
  font-size: 14px;
  color: var(--ink-muted);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-group-title {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-strong);
  margin-bottom: 12px;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-list a {
  display: inline-block;
  min-height: 24px;
  font-size: 14px;
  color: var(--ink-muted);
}

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

.site-footer-bottom {
  border-top: 1px solid var(--line);
}

.copyright {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px 24px 22px;
  font-size: 13px;
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------------
   3. components —— 通用组件：按钮、文字链接、卡片、表格、步骤、时间线、FAQ、侧栏
   -------------------------------------------------------------------------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--ink-strong);
  border-color: var(--ink-strong);
  color: #FBFAF7;
}

.btn-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.btn-ghost {
  background-color: transparent;
  border-color: var(--line-strong);
  color: var(--ink-strong);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 文字链接 */
.text-link {
  display: inline-block;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
  padding-bottom: 2px;
}

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

/* 区块通用 */
.section {
  padding: 40px 0 0;
}

.section-head {
  min-width: 0;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
}

.section-desc,
.section-intro {
  margin-top: 10px;
  max-width: var(--prose);
  font-size: 15px;
  color: var(--ink-muted);
}

.section-foot {
  margin-top: 20px;
}

.section-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--ink-muted);
}

.section-note a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
}

.section-note a:hover {
  color: var(--ink-strong);
  border-bottom-color: var(--ink-strong);
}

.section-footnote {
  margin-top: 20px;
  font-size: 14px;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.section-footnote a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
}

.section-footnote a:hover {
  color: var(--ink-strong);
  border-bottom-color: var(--ink-strong);
}

/* 图片容器 */
.hero-media,
.content-media,
.section-media,
.section-figure,
.page-figure,
.collection-figure {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--bg-card);
}

.hero-media img,
.content-media img,
.section-media img,
.section-figure img,
.page-figure img,
.collection-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media figcaption,
.content-media figcaption,
.section-media figcaption,
.section-figure figcaption,
.page-figure figcaption,
.figure-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-muted);
  border-top: 1px solid var(--line);
  background-color: var(--bg-card);
}

/* 卡片 */
.collection-card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.collection-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 2px 10px rgba(46, 44, 41, 0.05);
}

.collection-name {
  font-size: 18px;
  font-weight: 600;
}

.collection-scope,
.collection-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-muted);
}

.collection-orient {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-muted);
}

.card-link,
.collection-link {
  margin-top: auto;
  padding-top: 18px;
  font-size: 14px;
  color: var(--accent);
}

.card-link:hover,
.collection-link:hover {
  color: var(--ink-strong);
}

/* 表格 */
.field-table-wrap,
.table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--bg-card);
}

.field-table,
.data-table {
  min-width: 560px;
  font-size: 15px;
}

.field-table-caption,
.table-caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 13px;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--line);
  caption-side: top;
}

.field-table th,
.field-table td,
.data-table th,
.data-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.field-table thead th,
.data-table thead th {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
  background-color: var(--bg-soft);
  white-space: nowrap;
}

.field-table tbody th,
.data-table tbody th {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-strong);
  white-space: nowrap;
}

.field-table tbody td,
.data-table tbody td {
  color: var(--ink-muted);
}

.field-table tbody tr:last-child th,
.field-table tbody tr:last-child td,
.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 步骤清单 */
.step-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step-item {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-index {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent-soft);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--accent);
}

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

.step-name,
.step-title {
  font-size: 17px;
  font-weight: 600;
}

.step-text,
.step-desc {
  margin-top: 6px;
  font-size: 15px;
  color: var(--ink-muted);
}

/* 时间线 */
.timeline,
.timeline-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.timeline-item {
  position: relative;
  padding: 0 0 20px 22px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-soft);
}

.timeline-date {
  display: block;
  font-size: 13px;
  color: var(--accent);
}

.timeline-text {
  margin-top: 4px;
  font-size: 15px;
  color: var(--ink-muted);
}

/* FAQ 折叠项 */
.faq-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.faq-item:hover {
  border-color: var(--line-strong);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--ink-muted);
  border-bottom: 1px solid var(--ink-muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(-135deg);
}

.faq-answer {
  padding: 0 20px 18px;
  border-top: 1px solid var(--line);
}

.faq-answer p {
  padding-top: 14px;
  font-size: 15px;
  color: var(--ink-muted);
}

/* 内容区块（内页） */
.content-section + .content-section {
  margin-top: 44px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.prose-block p {
  max-width: var(--prose);
  font-size: 15px;
  color: var(--ink-muted);
}

.prose-block p + p {
  margin-top: 14px;
}

/* --------------------------------------------------------------------------
   4. pages —— 首页与各内页业务模块
   -------------------------------------------------------------------------- */

/* 4.1 首页：紧凑工具栏 */
.top-bar {
  background-color: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

.top-bar-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top-bar-note {
  font-size: 13px;
  color: var(--ink-muted);
}

.top-bar-link {
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
}

.top-bar-link:hover {
  color: var(--ink-strong);
}

/* 4.2 首页：首屏定位区 */
.hero {
  padding: 44px 0 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.hero-eyebrow {
  font-size: 13px;
  color: var(--accent);
}

.hero-title {
  margin-top: 12px;
  font-size: 32px;
  font-weight: 600;
}

.hero-lead {
  margin-top: 16px;
  max-width: 520px;
  font-size: 16px;
  color: var(--ink-muted);
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-media {
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
}

.hero-media img {
  flex: 1 1 auto;
  min-height: 0;
}

.content-media-primary {
  margin-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  align-items: stretch;
}

.content-media-primary img {
  aspect-ratio: 16 / 9;
}

.content-media-primary figcaption {
  display: flex;
  align-items: center;
  border-top: 0;
  border-left: 1px solid var(--line);
  font-size: 14px;
}

/* 4.3 首页：题材频道方向总览 */
.channel-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.channel-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 200px 108px;
  gap: 20px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.channel-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-strong);
}

.channel-scope,
.channel-audience {
  font-size: 14px;
  color: var(--ink-muted);
}

.channel-audience {
  font-size: 13px;
}

.channel-entry {
  justify-self: end;
  font-size: 14px;
  color: var(--accent);
  white-space: nowrap;
}

.channel-entry:hover {
  color: var(--ink-strong);
}

/* 4.4 首页：本期专题片单速览 */
.collection-cards {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

/* 4.5 内页：题材频道页 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

.layout-main {
  min-width: 0;
}

.layout-aside {
  min-width: 0;
}

.channel-directions,
.channel-compare,
.channel-faq {
  min-width: 0;
}

.channel-row-list {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.channel-row-list .channel-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  grid-template-areas:
    "name scope"
    "name audience"
    "name link";
  gap: 6px 24px;
  align-items: start;
  padding: 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.channel-row-list .channel-row-name {
  grid-area: name;
  font-size: 17px;
  font-weight: 600;
}

.channel-row-list .channel-row-scope {
  grid-area: scope;
  font-size: 15px;
  color: var(--ink-muted);
}

.channel-row-list .channel-row-audience {
  grid-area: audience;
  font-size: 13px;
  color: var(--ink-muted);
}

.channel-row-list .channel-row-link {
  grid-area: link;
  margin-top: 6px;
  font-size: 14px;
  color: var(--accent);
}

.channel-row-list .channel-row-link:hover {
  color: var(--ink-strong);
}

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

/* 内页侧栏 */
.channel-aside,
.layout-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.aside-title {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-strong);
}

.aside-text {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-muted);
}

.aside-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-list-item {
  font-size: 14px;
  color: var(--ink-muted);
}

.aside-list-item a {
  display: inline-block;
  padding: 3px 0;
  color: var(--ink-muted);
  border-bottom: 1px solid transparent;
}

.aside-list-item a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent-soft);
}

.aside-link-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.aside-link-list a {
  display: inline-block;
  padding: 3px 0;
  color: var(--ink-muted);
  border-bottom: 1px solid transparent;
}

.aside-link-list a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent-soft);
}

/* 4.6 内页：专题片单页 */
.collection-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.collection-figure {
  aspect-ratio: 16 / 10;
  margin-bottom: 18px;
}

.collection-meta {
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  font-size: 14px;
}

.collection-meta dt {
  color: var(--ink-muted);
  white-space: nowrap;
}

.collection-meta dd {
  margin: 0;
  color: var(--ink-strong);
}

.subsection-title {
  margin-top: 40px;
  font-size: 18px;
  font-weight: 600;
}

/* 4.7 内页：条目字段说明页 */
.page-figure {
  margin-bottom: 40px;
}

.page-figure img {
  aspect-ratio: 21 / 9;
}

.compare-item {
  margin-top: 22px;
  padding: 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.compare-title {
  font-size: 17px;
  font-weight: 600;
}

.compare-correct,
.compare-wrong {
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-muted);
}

.compare-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--ink-muted);
  background-color: var(--bg-soft);
  border: 1px solid var(--line);
}

.compare-correct .compare-label {
  color: var(--accent);
  border-color: var(--accent-soft);
}

/* 4.8 内页：查阅路径页 */
.guide-layout {
  display: block;
}

.guide-steps .step-list {
  margin-top: 26px;
}

.section-figure {
  margin-top: 24px;
}

.section-figure img {
  aspect-ratio: 16 / 6;
}

.boundary-note {
  margin-top: 22px;
  padding: 22px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.boundary-subtitle {
  font-size: 17px;
  font-weight: 600;
}

.boundary-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.boundary-item {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-muted);
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background-color: var(--accent-soft);
}

.guide-boundary .timeline-list {
  margin-top: 18px;
}

/* 4.9 404 页 */
.error-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 56px;
}

.error-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}

.error-hero-inner {
  max-width: var(--prose);
}

.error-code {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--accent);
}

.error-hero h1 {
  margin-top: 12px;
  font-size: 32px;
  font-weight: 600;
}

.error-lead {
  margin-top: 16px;
  font-size: 16px;
  color: var(--ink-muted);
}

.error-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-paths {
  padding-top: 40px;
}

.error-paths h2 {
  font-size: 24px;
  font-weight: 600;
}

.error-path-list {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.error-path-item {
  padding: 18px 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-path-item a {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.error-path-item a:hover {
  color: var(--accent);
}

.error-path-item span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------------
   5. responsive —— 平板与手机断点
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .channel-row {
    grid-template-columns: 130px minmax(0, 1fr) 170px 96px;
    gap: 16px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 32px;
  }

  .collection-cards,
  .collection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .site-header-inner {
    flex-wrap: wrap;
    gap: 0 16px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex: 1 0 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 14px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list > li > a {
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
  }

  .nav-list > li > a.is-current {
    border-bottom-color: var(--line);
    border-left-color: var(--accent);
    padding-left: 12px;
  }

  .nav-list > li:last-child > a {
    border-bottom: 0;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .top-bar-inner {
    padding: 0 20px;
  }

  .page-title,
  .hero-title,
  .error-hero h1 {
    font-size: 24px;
  }

  .page-header {
    padding: 18px 0 16px;
    margin-bottom: 28px;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .hero-lead {
    max-width: none;
  }

  .content-media-primary {
    grid-template-columns: minmax(0, 1fr);
  }

  .content-media-primary figcaption {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .section {
    padding-top: 32px;
  }

  .channel-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 16px 0;
  }

  .channel-entry {
    justify-self: start;
    margin-top: 6px;
  }

  .channel-row-list .channel-row {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "name"
      "scope"
      "audience"
      "link";
    gap: 6px;
    padding: 18px;
  }

  .collection-cards,
  .collection-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .content-section + .content-section {
    margin-top: 36px;
    padding-top: 32px;
  }

  .site-footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding: 36px 20px 26px;
  }

  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

  .copyright {
    padding: 16px 20px 20px;
  }

  .error-hero {
    padding: 36px 0 32px;
  }
}

@media (max-width: 480px) {
  .brand-slogan {
    display: none;
  }

  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    padding: 8px 20px;
  }

  .hero-actions .btn,
  .error-actions .btn {
    flex: 1 1 100%;
  }

  .step-item {
    padding: 16px;
    gap: 12px;
  }

  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .field-table,
  .data-table {
    font-size: 14px;
  }

  .field-table th,
  .field-table td,
  .data-table th,
  .data-table td {
    padding: 12px 14px;
  }
}