/* ==========================================================================
   樱花视频电视剧 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

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

:root {
  --bg: #f7f6f4;
  --surface: #ffffff;
  --ink: #1f2328;
  --ink-soft: #5c636b;
  --accent: #c96b86;
  --accent-soft: #f3dfe5;
  --line: #e2e0dc;
  --deep: #2c3a4a;
  --radius: 6px;
  --container: 1120px;
  --font-title: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Menlo", "Consolas", "Courier New", monospace;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0;
}

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

dl,
dd,
dt,
figure {
  margin: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

/* ==========================================================================
   layout
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 1 auto;
  width: 100%;
}

.home-main,
.inner-main,
.main-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.inner-main {
  padding-top: 28px;
  padding-bottom: 56px;
}

.home-main {
  padding-bottom: 56px;
}

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 246, 244, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.1) blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: var(--container);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 页脚 */
.site-footer {
  margin-top: auto;
  background: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 14px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 32px 28px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 28px;
}

.footer-brand-name {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.footer-brand-text {
  margin-top: 10px;
  max-width: 260px;
  line-height: 1.7;
}

.footer-group-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink-soft);
  transition: color 0.18s ease;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.breadcrumb a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
}

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

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

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

/* 页面标题区 */
.page-header {
  padding: 18px 0 26px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}

.page-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--ink);
}

.page-description {
  margin-top: 12px;
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 15px;
}

.page-lead {
  margin-top: 12px;
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 15px;
}

.page-lead a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 通用区块 */
.section {
  margin-bottom: 52px;
}

.section-head {
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.section-title {
  font-size: 1.24rem;
  font-weight: 700;
}

.section-desc {
  margin-top: 8px;
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 15px;
}

.section-lead {
  margin-bottom: 20px;
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 15px;
}

.section-lead a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-intro {
  margin-bottom: 20px;
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 15px;
}

.section-foot {
  margin-top: 18px;
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid var(--accent-soft);
  transition: border-color 0.18s ease;
}

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

/* ==========================================================================
   components
   ========================================================================== */

/* 线索说明条 */
.clue-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 24px;
  background: var(--deep);
  color: #eef1f4;
  font-size: 13px;
}

.clue-text {
  max-width: 860px;
}

.clue-status {
  flex: none;
  padding: 2px 10px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* 品牌标识 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  min-height: 44px;
  color: var(--ink);
}

.brand-mark {
  width: 22px;
  height: 22px;
  border: 2px solid var(--accent);
  border-radius: 50% 50% 50% 4px;
  background: var(--accent-soft);
}

.brand-name {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

/* 主导航 */
.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
}

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

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 13px;
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 15px;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav-list a:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-list a.is-current {
  color: var(--ink);
  font-weight: 700;
  background: var(--accent-soft);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.nav-toggle-bar {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle-bar::before {
  top: -5px;
}

.nav-toggle-bar::after {
  top: 5px;
}

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

/* 命令面板触发按钮 */
.cmd-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 14px;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.cmd-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cmd-trigger-icon {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
}

.cmd-trigger-icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 6px;
  height: 2px;
  background: currentColor;
  transform: rotate(45deg);
}

/* 命令面板覆盖层 */
.command-panel {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  padding: 72px 20px 20px;
  background: rgba(31, 35, 40, 0.42);
}

.command-panel.is-open {
  display: block;
}

.command-panel-inner {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(31, 35, 40, 0.18);
  overflow: hidden;
}

.command-label {
  display: block;
  padding: 14px 18px 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.command-input {
  display: block;
  width: 100%;
  padding: 8px 18px 14px;
  border: 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-family: var(--font-body);
  color: var(--ink);
  background: transparent;
}

.command-input:focus {
  outline: none;
}

.command-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 8px;
}

.command-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 0 12px;
  border-radius: var(--radius);
  font-size: 15px;
}

.command-item:hover,
.command-item:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
}

.command-hint {
  padding: 10px 18px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #b95a75;
  color: #fff;
}

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

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

/* 字段与边界通用列表 */
.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.boundary-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.scope-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ==========================================================================
   pages · 首页
   ========================================================================== */

/* 目录式首屏 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 40px;
  padding: 44px 0 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
}

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

.hero-eyebrow {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--accent-soft);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: #93506a;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.hero-title {
  margin-top: 16px;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 700;
}

.hero-text {
  margin-top: 14px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.hero-index {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-figure {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

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

.hero-figure-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}

.hero-index-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px 18px;
}

.hero-index-title {
  font-size: 14px;
  font-weight: 700;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.channel-mini-list {
  margin-top: 4px;
}

.channel-mini-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  border-bottom: 1px dashed var(--line);
}

.channel-mini-item:last-child {
  border-bottom: 0;
}

.channel-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.channel-topic {
  min-width: 0;
  font-size: 14px;
  color: var(--ink);
}

.channel-link {
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}

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

/* 人群路径入口区 */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.audience-block {
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.audience-block:hover {
  border-left-color: var(--accent);
}

.audience-name {
  font-size: 16px;
}

.audience-fit {
  margin-top: 10px;
  color: var(--ink);
  font-size: 14px;
}

.audience-path {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

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

/* 频道目录索引 */
.channel-index {
  border-top: 1px solid var(--line);
}

.channel-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 150px 108px;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.channel-row:hover {
  border-left-color: var(--accent);
  background: var(--surface);
}

.channel-body {
  min-width: 0;
}

.channel-name {
  font-size: 16px;
}

.channel-desc {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 14px;
}

.channel-fit {
  color: var(--ink-soft);
  font-size: 14px;
}

.channel-entry {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.channel-entry:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 专题片单速览 */
.playlist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.playlist-card {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.18s ease;
}

.playlist-card:hover {
  border-color: var(--accent);
}

.playlist-cover,
.playlist-media {
  min-width: 0;
  background: var(--accent-soft);
}

.playlist-cover img,
.playlist-media img {
  width: 100%;
  height: 100%;
  min-height: 168px;
  object-fit: cover;
}

.playlist-body {
  min-width: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
}

.playlist-name {
  font-size: 16px;
}

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

.playlist-theme {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.playlist-meta {
  margin-top: 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  font-size: 13px;
}

.playlist-meta dt {
  color: var(--ink-soft);
}

.playlist-meta dd {
  color: var(--ink);
}

.playlist-count {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
}

/* 字段口径与收录边界摘要 */
.scope-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.scope-col {
  min-width: 0;
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.scope-col-title {
  font-size: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.field-list {
  margin-top: 14px;
}

.field-list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.field-list dd {
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-size: 14px;
}

.field-list dd:last-child {
  margin-bottom: 0;
}

.scope-fields .boundary-list {
  margin-top: 14px;
}

/* 站内栏目索引 */
.nav-index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.nav-index-item {
  min-width: 0;
  padding: 18px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.nav-index-item:hover {
  border-top-color: var(--accent);
}

.nav-index-name {
  font-size: 15px;
}

.nav-index-name a:hover {
  color: var(--accent);
}

.nav-index-desc {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

/* ==========================================================================
   pages · 频道分类
   ========================================================================== */

.section-channel-table .channel-figure,
.channel-figure {
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.channel-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.channel-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}

.channel-table {
  border-top: 1px solid var(--line);
}

.channel-table .channel-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 170px 116px;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.channel-table .channel-row:hover {
  border-left-color: var(--accent);
  background: var(--surface);
}

.channel-table .channel-row-head {
  background: var(--accent-soft);
  min-height: 44px;
  border-left-color: transparent;
}

.channel-table .channel-row-head:hover {
  background: var(--accent-soft);
  border-left-color: transparent;
}

.channel-cell {
  min-width: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.channel-row-head .channel-cell {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.channel-table .cell-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
}

.channel-table .cell-theme {
  color: var(--ink);
  font-size: 15px;
}

.channel-table .cell-link {
  text-align: right;
}

.channel-table .cell-link a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.channel-table .cell-link a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 人群路径分组入口 */
.path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.path-block {
  min-width: 0;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.path-block:hover {
  border-left-color: var(--accent);
}

.path-name {
  font-size: 16px;
}

.path-audience {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink);
}

.path-desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
}

.path-channels {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.path-channels a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-soft);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.path-channels a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 频道收录边界 */
.channel-figure-boundary img {
  height: 180px;
}

.boundary-note {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 14px;
}

.boundary-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 站内栏目索引（频道分类页） */
.site-index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.site-index-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 96px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.site-index-item:hover {
  border-top-color: var(--accent);
  color: var(--accent);
}

.index-note {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ==========================================================================
   pages · 专题片单
   ========================================================================== */

.filter-bar {
  margin-bottom: 32px;
  padding: 18px 18px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.filter-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  font-size: 14px;
  color: var(--ink-soft);
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

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

.filter-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.filter-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.playlist-section .playlist-card {
  grid-template-columns: 172px minmax(0, 1fr);
}

.playlist-section .playlist-card[hidden] {
  display: none;
}

.playlist-section .playlist-media img {
  min-height: 190px;
}

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

.field-section .field-list {
  margin-top: 0;
  border-top: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 16px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.field-section .field-row dt {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.field-section .field-row dd {
  color: var(--ink-soft);
  font-size: 14px;
}

/* 站内栏目索引（专题片单页） */
.column-index {
  margin-bottom: 20px;
}

.column-index-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.column-index-item {
  min-width: 0;
}

.column-index-item a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 96px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.column-index-item a:hover {
  border-top-color: var(--accent);
}

.column-index-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.column-index-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ==========================================================================
   pages · 浏览说明
   ========================================================================== */

.step-figure {
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.step-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.step-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  counter-reset: step;
}

.step-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.step-item:hover {
  border-top-color: var(--accent);
}

.step-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.step-name {
  margin-top: 8px;
  font-size: 16px;
}

.step-text {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.step-check {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--ink);
}

/* 字段口径简表 */
.field-table {
  border-top: 1px solid var(--line);
}

.field-table .field-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.field-table .field-head {
  background: var(--accent-soft);
}

.field-table .field-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.field-table .field-head .field-name,
.field-table .field-head .field-value {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.field-table .field-value {
  color: var(--ink-soft);
  font-size: 14px;
}

/* 收录边界 */
.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.boundary-col {
  min-width: 0;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.boundary-subtitle {
  font-size: 15px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.boundary-col .boundary-list {
  margin-top: 14px;
}

.boundary-text {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* FAQ */
.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px 4px;
  cursor: pointer;
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}

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

.faq-question::before {
  content: "+";
  flex: none;
  width: 22px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--accent);
}

.faq-item[open] .faq-question::before {
  content: "–";
}

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  padding: 0 4px 18px 34px;
  max-width: 820px;
  color: var(--ink-soft);
  font-size: 15px;
}

.faq-answer a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 站内栏目索引（浏览说明页） */
.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.index-item:hover {
  border-top-color: var(--accent);
}

.index-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.index-text {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ==========================================================================
   pages · 整理记录
   ========================================================================== */

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

.record-figure {
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

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

.record-figure-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}

.record-group {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.record-group:first-of-type {
  padding-top: 4px;
}

.record-group-title {
  font-size: 16px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.record-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.record-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-left: 14px;
  border-left: 2px solid var(--accent-soft);
}

.record-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.record-text {
  color: var(--ink-soft);
  font-size: 15px;
}

/* 整理口径说明 */
.scope-list {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.scope-item {
  min-width: 0;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-soft);
  border-radius: var(--radius);
}

.scope-item-title {
  font-size: 15px;
}

.scope-text {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* 反馈入口说明 */
.feedback-block {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.feedback-col {
  min-width: 0;
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feedback-col-title {
  font-size: 15px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.feedback-text {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 14px;
}

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

.feedback-steps li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
}

.feedback-steps li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* 站内栏目索引（整理记录页） */
.index-section .index-grid {
  margin-top: 16px;
}

.index-cell {
  min-width: 0;
}

.index-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent-soft);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

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

.index-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

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

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 62vh;
}

.main-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.error-block {
  max-width: 640px;
  padding: 40px 0;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.error-block h1 {
  margin-top: 12px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.error-text {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.error-links {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.error-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink-soft);
  font-size: 14px;
}

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

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px 20px;
  }

  .site-nav {
    order: 3;
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
    padding: 8px 0 4px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list a {
    min-height: 48px;
    padding: 0 10px;
  }

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

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 32px;
  }

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

  .channel-row {
    grid-template-columns: 56px minmax(0, 1fr) 120px;
  }

  .channel-row .channel-fit {
    display: none;
  }

  .channel-table .channel-row {
    grid-template-columns: 60px minmax(0, 1fr) 108px;
  }

  .channel-table .cell-audience {
    display: none;
  }

  .nav-index-grid,
  .site-index-grid,
  .column-index-list,
  .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .clue-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 20px;
  }

  .clue-status {
    white-space: normal;
  }

  .header-inner {
    padding: 8px 16px;
  }

  .brand-name {
    font-size: 16px;
  }

  .cmd-trigger-text {
    display: none;
  }

  .home-main,
  .inner-main,
  .main-inner,
  .footer-inner,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-main {
    overflow-wrap: break-word;
  }

  .hero {
    padding-top: 24px;
    margin-bottom: 36px;
  }

  .hero-figure img {
    height: 168px;
  }

  .channel-mini-item {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: 4px 0;
  }

  .channel-link {
    grid-column: 2 / -1;
    padding-bottom: 6px;
  }

  .audience-grid,
  .playlist-grid,
  .scope-columns,
  .path-grid,
  .boundary-grid,
  .feedback-block,
  .scope-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .audience-block {
    min-height: 0;
  }

  .playlist-card,
  .playlist-section .playlist-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .playlist-cover img,
  .playlist-media img,
  .playlist-section .playlist-media img {
    min-height: 150px;
    height: 150px;
  }

  .channel-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 10px;
    padding: 14px 10px;
  }

  .channel-row .channel-entry {
    grid-column: 2 / -1;
    justify-self: start;
  }

  .channel-table .channel-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 8px;
    padding: 12px 10px;
  }

  .channel-table .channel-row-head {
    display: none;
  }

  .channel-table .cell-link {
    grid-column: 2 / -1;
    text-align: left;
  }

  .channel-table .channel-row .channel-cell.cell-theme::before {
    content: "题材方向：";
    color: var(--ink-soft);
  }

  .channel-table .channel-row .channel-cell.cell-link::before {
    content: "关联片单：";
    color: var(--ink-soft);
    margin-right: 6px;
  }

  .nav-index-grid,
  .site-index-grid,
  .column-index-list,
  .index-grid,
  .step-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .nav-index-item,
  .site-index-item,
  .column-index-item a,
  .index-item,
  .index-link {
    min-height: 0;
  }

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

  .record-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .record-group-title {
    font-size: 15px;
  }

  .step-figure img,
  .channel-figure img,
  .record-figure img {
    height: 168px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
  }

  .command-panel {
    padding: 56px 14px 14px;
  }

  .error-main {
    min-height: 56vh;
  }

  .error-block {
    padding: 28px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}