/* ============================================================
   樱桃影视 · 全局样式
   报纸编辑风：黑白为主，樱桃红强调
   ============================================================ */

/* ---------- base / 基础变量与重置 ---------- */
:root {
  --color-ink: #111111;
  --color-body: #333333;
  --color-paper: #f5f5f0;
  --color-white: #ffffff;
  --color-accent: #c0392b;
  --color-line: #d8d8d0;
  --color-line-dark: #b0b0a8;
  --color-muted: #6e6e66;
  --font-serif: "Songti SC", "SimSun", "Noto Serif SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --content-width: 720px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --header-h: 72px;
  --space-section: 56px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-body);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 32px;
  font-weight: 700;
}

h2 {
  font-size: 24px;
  font-weight: 700;
}

h3 {
  font-size: 18px;
  font-weight: 700;
}

p {
  margin-bottom: 0;
}

/* 焦点可见性 */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- layout / 全站骨架 ---------- */

/* 站点骨架容器 */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 页头 */
.site-header {
  background: var(--color-white);
  border-bottom: 2px solid var(--color-ink);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 2px;
}

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

.brand-tag {
  font-size: 12px;
  color: var(--color-muted);
  border-left: 1px solid var(--color-line);
  padding-left: 10px;
  line-height: 1.4;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-body);
  border-bottom: 2px solid transparent;
  line-height: 1.4;
}

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

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

/* 移动端导航按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* 主内容区 */
.site-main {
  flex: 1 0 auto;
}

.inner-main {
  width: 100%;
}

/* 页脚 */
.site-footer {
  background: var(--color-ink);
  color: #d9d9d4;
  margin-top: 64px;
}

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

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-brand p:not(.footer-brand-name) {
  font-size: 14px;
  line-height: 1.8;
  color: #b8b8b2;
  max-width: 480px;
}

.footer-nav-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 14px;
}

.footer-nav ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.footer-nav a {
  color: #c8c8c2;
  font-size: 14px;
  padding: 2px 0;
  display: inline-block;
}

.footer-nav a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #3a3a36;
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #8a8a84;
  max-width: var(--container-width);
  margin: 0 auto;
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-line-dark);
}

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

/* 页面标题区 */
.page-header {
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-ink);
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-description {
  font-size: 15px;
  color: var(--color-muted);
  max-width: var(--content-width);
  line-height: 1.7;
}

/* 内页布局外壳 */
.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 0;
}

/* 通用段落与列表 */
.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: var(--content-width);
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

/* ---------- components / 通用组件 ---------- */

/* 按钮 */
.btn-primary,
.btn-secondary,
.btn-outline,
.error-btn,
.error-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: #a93226;
  border-color: #a93226;
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn-secondary:hover {
  background: var(--color-ink);
  color: var(--color-white);
}

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

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

/* 首页焦点区 */
.home-focus {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 0;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.focus-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.focus-copy h1 {
  font-size: 36px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.focus-lead {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 520px;
}

.focus-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.focus-media {
  margin: 0;
}

.focus-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}

.focus-divider {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
}

.focus-divider::before,
.focus-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-line-dark);
}

.focus-divider span {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
}

/* 首页频道索引 */
.home-channels {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-section) 24px 0;
}

.section-head {
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-ink);
}

.section-head h2 {
  font-size: 24px;
  margin-bottom: 6px;
}

.section-head .section-desc {
  margin-bottom: 0;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.channel-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.channel-card:hover {
  border-color: var(--color-line-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.channel-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.channel-card h3 {
  font-size: 17px;
  margin: 0;
}

.channel-card h3 a {
  color: var(--color-ink);
}

.channel-card h3 a:hover {
  color: var(--color-accent);
}

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

/* 首页专题片单 */
.home-series {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-section) 24px 0;
}

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

.series-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.series-media {
  margin: 0;
}

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

.series-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.series-body h3 {
  font-size: 19px;
  margin: 0;
}

.series-body h3 a {
  color: var(--color-ink);
}

.series-body h3 a:hover {
  color: var(--color-accent);
}

.series-topic,
.series-range {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.series-link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  display: inline-block;
}

.series-link:hover {
  text-decoration: underline;
}

/* 首页观看指南提示带 */
.home-guide-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-section) 24px 0;
}

.guide-notice {
  background: var(--color-white);
  border-left: 3px solid var(--color-accent);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.guide-notice p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
}

.guide-notice strong {
  color: var(--color-accent);
}

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

.guide-step {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

.guide-step p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  flex: 1;
}

.guide-step a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.guide-step a:hover {
  text-decoration: underline;
}

/* 首页内容边界 */
.home-boundary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-section) 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.boundary-copy {
  flex: 1;
  min-width: 280px;
}

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

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

.boundary-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ---------- pages / 各页面专属样式 ---------- */

/* ---- 内页通用双栏布局 ---- */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.main-content {
  min-width: 0;
  min-width: 520px;
}

/* ---- 频道分类页 ---- */
.page-channels .page-layout {
  grid-template-columns: 1fr 300px;
}

.channel-table-section,
.channel-props-section,
.channel-media-section {
  margin-bottom: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
}

.table-scroll {
  overflow-x: auto;
}

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

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

.channel-table th {
  background: var(--color-paper);
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
}

.channel-table td {
  color: var(--color-body);
  line-height: 1.6;
}

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

.prop-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.prop-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
}

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

.prop-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.prop-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.channel-figure {
  margin: 0;
}

.channel-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.channel-figure figcaption {
  padding: 10px 0 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* 频道页侧栏 */
.sidebar-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.side-card h2 {
  font-size: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 12px;
}

.side-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.side-list li {
  line-height: 1.5;
}

.side-list a {
  font-size: 14px;
  color: var(--color-body);
  display: inline-block;
  padding: 2px 0;
}

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

/* 频道页底部相关链接 */
.related-links {
  max-width: var(--container-width);
  margin: 32px auto 0;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  margin-right: 4px;
}

.related-links-item {
  font-size: 14px;
  color: var(--color-muted);
  padding: 4px 0;
}

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

/* ---- 专题片单页 ---- */
.page-series .layout-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.page-series .main-content {
  min-width: 0;
}

.series-list-section {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.series-list-section .series-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  overflow: hidden;
}

.series-card-media {
  margin: 0;
}

.series-card-media .media-figure {
  margin: 0;
  height: 100%;
}

.series-card-media .media-figure img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

.series-card-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.series-title {
  font-size: 19px;
  margin: 0;
}

.series-title a {
  color: var(--color-ink);
}

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

.series-meta {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.6;
}

.series-meta strong {
  color: var(--color-ink);
  font-weight: 600;
}

.series-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.series-link:hover {
  text-decoration: underline;
}

/* 片单页侧栏 */
.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.aside-title {
  font-size: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 12px;
}

.aside-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.aside-list li {
  line-height: 1.5;
}

.aside-list a {
  font-size: 14px;
  color: var(--color-body);
  display: inline-block;
  padding: 2px 0;
}

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

.aside-text {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
}

/* ---- 观看指南页 ---- */
.page-guide .page-layout {
  grid-template-columns: 1fr 300px;
}

.notice-section,
.steps-section,
.boundary-section {
  margin-bottom: 40px;
}

.notice-banner {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notice-banner p {
  font-size: 15px;
  line-height: 1.7;
}

.notice-banner p:first-child {
  font-weight: 500;
  color: var(--color-ink);
}

.steps-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
}

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

.step-body p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

.step-body a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.step-body a:hover {
  text-decoration: underline;
}

.step-figure {
  margin: 8px 0 0;
}

.step-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
}

.step-figure figcaption {
  padding: 8px 0 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* 边界区块 */
.boundary-section {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
}

.boundary-section > p {
  font-size: 15px;
  color: var(--color-body);
  margin-bottom: 12px;
}

.boundary-list {
  margin: 0 0 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.boundary-list li {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.6;
  list-style: disc;
}

.boundary-section > p:last-child {
  margin-bottom: 0;
}

.boundary-section a {
  color: var(--color-accent);
  font-weight: 500;
}

.boundary-section a:hover {
  text-decoration: underline;
}

/* 指南页侧栏 */
.sidebar {
  display: flex;
  flex-direction: column;
}

.sidebar-inner {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-title {
  font-size: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-list li {
  line-height: 1.5;
}

.sidebar-list a {
  font-size: 14px;
  color: var(--color-body);
  display: inline-block;
  padding: 2px 0;
}

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

.sidebar-note {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.sidebar-note a {
  color: var(--color-accent);
  font-weight: 500;
}

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

/* ---- 投稿指南页 ---- */
.page-submission .layout-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

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

.submission-scope,
.submission-requirements,
.submission-process,
.related-links {
  margin-bottom: 40px;
}

.submission-scope > p,
.submission-requirements > p,
.submission-process > p,
.related-links > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

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

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

.scope-suitable {
  border-top: 3px solid var(--color-accent);
}

.scope-unsuitable {
  border-top: 3px solid var(--color-line-dark);
}

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

.scope-card ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scope-card li {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.scope-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.scope-unsuitable li::before {
  background: var(--color-line-dark);
}

/* 整理要求 */
.requirement-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: req;
}

.requirement-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  position: relative;
  padding-left: 56px;
}

.requirement-item::before {
  counter-increment: req;
  content: counter(req);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-paper);
  border: 1px solid var(--color-line-dark);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
}

.requirement-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.requirement-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 提交与审核流程 */
.process-figure {
  margin: 0 0 20px;
}

.process-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: step;
}

.process-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.process-step .step-number {
  width: 36px;
  height: 36px;
  font-size: 15px;
}

.step-content h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 投稿页相关链接 */
.related-link-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-link-list li {
  line-height: 1.5;
}

.related-link-list a {
  font-size: 15px;
  color: var(--color-body);
  display: inline-block;
  padding: 2px 0;
}

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

/* 投稿页侧栏 */
.sidebar-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-block {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
}

.sidebar-block h2 {
  font-size: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 12px;
}

.sidebar-block ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-block a {
  font-size: 14px;
  color: var(--color-body);
  display: inline-block;
  padding: 2px 0;
}

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

.sidebar-note {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ---- 常见问题页 ---- */
.page-faq .page-layout {
  grid-template-columns: 1fr 300px;
}

.page-header-mark {
  width: 48px;
  height: 48px;
  object-fit: cover;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
}

.faq-group {
  margin-bottom: 36px;
}

.faq-group h2 {
  font-size: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 16px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  min-height: 44px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

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

.faq-answer {
  padding: 0 20px 16px;
  border-top: 1px solid var(--color-line);
  padding-top: 12px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.7;
}

/* FAQ 侧栏 */
.aside-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.aside-card h2 {
  font-size: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 12px;
}

.aside-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.aside-list a {
  font-size: 14px;
  color: var(--color-body);
  display: inline-block;
  padding: 2px 0;
}

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

.aside-tip {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
}

/* ---- 404 页面 ---- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

.error-inner {
  max-width: 560px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

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

.error-inner h1 {
  font-size: 28px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

.error-actions {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.error-btn {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.error-btn:hover {
  background: #a93226;
  color: var(--color-white);
}

.error-link {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line-dark);
}

.error-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- responsive / 响应式 ---------- */

/* 平板与窄桌面 */
@media (max-width: 1024px) {
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-layout,
  .page-channels .page-layout,
  .page-guide .page-layout,
  .page-faq .page-layout,
  .page-series .layout-shell,
  .page-submission .layout-shell {
    grid-template-columns: 1fr 280px;
    gap: 28px;
  }

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

/* 移动端断点 */
@media (max-width: 768px) {
  :root {
    --header-h: 60px;
    --space-section: 40px;
  }

  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .brand-tag {
    display: none;
  }

  .brand-name {
    font-size: 22px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 2px solid var(--color-ink);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
  }

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

  .nav-list li {
    border-bottom: 1px solid var(--color-line);
  }

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

  .nav-list a {
    padding: 14px 20px;
    font-size: 16px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .nav-list a.is-current {
    border-left-color: var(--color-accent);
    background: var(--color-paper);
  }

  /* 首页焦点区 */
  .home-focus {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 0;
  }

  .focus-copy h1 {
    font-size: 28px;
  }

  .focus-media img {
    height: 220px;
  }

  .focus-actions {
    flex-direction: column;
    width: 100%;
  }

  .focus-actions a {
    width: 100%;
  }

  /* 首页频道 */
  .home-channels,
  .home-series,
  .home-guide-strip,
  .home-boundary {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .channel-card {
    padding: 14px;
  }

  .channel-card img {
    height: 100px;
  }

  /* 首页片单 */
  .series-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  /* 首页指南 */
  .guide-steps {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .guide-notice {
    padding: 14px 16px;
  }

  /* 首页边界 */
  .home-boundary {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .boundary-actions {
    width: 100%;
    flex-direction: column;
  }

  .boundary-actions a {
    width: 100%;
  }

  /* 内页 */
  .layout-shell {
    padding: 24px 16px 0;
  }

  .page-layout,
  .page-channels .page-layout,
  .page-guide .page-layout,
  .page-faq .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-series .layout-shell,
  .page-submission .layout-shell {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

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

  .sidebar-content,
  .sidebar-links,
  .sidebar,
  .aside-links,
  .sidebar-column {
    order: 2;
  }

  /* 频道页 */
  .channel-table-section,
  .channel-props-section,
  .channel-media-section {
    padding: 16px;
  }

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

  .channel-table th,
  .channel-table td {
    padding: 10px 8px;
  }

  .channel-figure img {
    height: 180px;
  }

  .related-links {
    padding: 16px;
  }

  /* 片单页 */
  .series-list-section .series-card {
    grid-template-columns: 1fr;
  }

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

  .series-card-body {
    padding: 16px;
  }

  /* 指南页 */
  .step-item {
    grid-template-columns: 40px 1fr;
    padding: 16px;
    gap: 12px;
  }

  .step-number {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .step-figure img {
    height: 160px;
  }

  .notice-banner {
    padding: 16px;
  }

  .boundary-section {
    padding: 16px;
  }

  /* 投稿页 */
  .scope-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .requirement-item {
    padding-left: 48px;
  }

  .process-figure img {
    height: 160px;
  }

  .process-step {
    grid-template-columns: 38px 1fr;
    padding: 14px 16px;
    gap: 12px;
  }

  /* FAQ */
  .faq-item summary {
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 12px 16px 14px;
  }

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

  .footer-nav ul {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    padding: 12px 16px;
  }

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

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

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

  .error-actions {
    flex-direction: column;
    width: 100%;
  }

  .error-actions a {
    width: 100%;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .channel-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-nav ul {
    grid-template-columns: 1fr;
  }

  .focus-copy h1 {
    font-size: 24px;
  }
}

/* 打印 */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .focus-actions,
  .boundary-actions,
  .error-actions {
    display: none;
  }

  body {
    background: var(--color-white);
  }

  .home-focus,
  .home-channels,
  .home-series,
  .home-guide-strip,
  .home-boundary,
  .layout-shell {
    max-width: 100%;
    padding: 16px;
  }
}