/* ==========================================================================
   九九影院电视剧大全 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 变量与基础排版
   -------------------------------------------------------------------------- */
:root {
  --bg-page: #f7f5f2;
  --bg-deep: #1d1f22;
  --bg-deep-soft: #2b2e33;
  --accent: #b4451f;
  --accent-soft: #d9d4cc;
  --field-tone: #3f5d52;
  --line: #d9d4cc;
  --bg-footer: #ece7e0;
  --text-main: #1d1f22;
  --text-soft: #5c5f64;
  --text-invert: #f4f2ef;
  --text-invert-soft: #b9bcc0;
  --radius: 6px;
  --container: 1180px;
  --content-col: 720px;
  --aside-col: 380px;
  --font-sans: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", "Menlo", "Consolas", "Courier New", monospace;
}

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

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

.site-body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

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

a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: normal;
  line-height: 1.3;
}

p {
  margin: 0 0 1em;
}

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

dl,
dd,
dt {
  margin: 0;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

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

/* --------------------------------------------------------------------------
   layout · 页头 / 导航 / 主容器 / 页脚骨架
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--bg-deep);
  color: var(--text-invert-soft);
  font-size: 13px;
  line-height: 1.6;
}

.top-bar-text {
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px;
}

.site-header {
  background-color: var(--bg-page);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
}

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

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 0;
  color: var(--text-main);
}

.brand-name {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.25;
}

.brand-slogan {
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.4;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
}

.site-nav {
  display: block;
}

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

.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  color: var(--text-main);
  border-bottom: 2px solid transparent;
}

.nav-link.is-current {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.site-main {
  display: block;
}

.home-main,
.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 72px;
}

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

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--text-soft);
  padding: 4px 0 14px;
}

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

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

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

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

/* 内页标题区 */
.page-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.page-title {
  font-size: 34px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.page-description {
  max-width: 780px;
  margin: 0;
  color: var(--text-soft);
  font-size: 16px;
}

/* 页脚 */
.site-footer {
  background-color: var(--bg-footer);
  color: var(--text-main);
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) auto;
  gap: 24px;
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.footer-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
}

.footer-desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

.footer-back {
  font-size: 14px;
  color: var(--accent);
  white-space: nowrap;
  padding: 6px 0;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding: 28px 0;
}

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}

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

.footer-links a {
  font-size: 14px;
  color: var(--text-soft);
}

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

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.footer-copy {
  margin: 0;
  font-size: 13px;
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   components · 通用标题 / 表格 / 字段标注 / 区块脚注 / 侧栏
   -------------------------------------------------------------------------- */
.section-title {
  font-size: 24px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-lead,
.section-desc,
.section-intro {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  max-width: 760px;
}

.subsection-title {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-head {
  margin-bottom: 28px;
}

.section-foot {
  margin: 24px 0 0;
  font-size: 14px;
}

.section-foot a {
  color: var(--accent);
}

.field-label {
  display: inline-block;
  min-width: 74px;
  color: var(--field-tone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: normal;
}

.field-table {
  font-size: 14px;
  border: 1px solid var(--line);
  background-color: #fff;
}

.field-table caption,
.field-table-caption,
.table-caption {
  text-align: left;
  font-size: 13px;
  color: var(--text-soft);
  padding: 0 0 8px;
}

.field-table th,
.field-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.field-table thead th {
  background-color: #f1ede7;
  font-size: 13px;
  color: var(--field-tone);
  font-weight: 600;
}

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

.field-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

/* 内页两栏布局：主内容在前，aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--content-col)) minmax(0, var(--aside-col));
  gap: 48px;
  align-items: start;
}

.page-layout > section {
  min-width: 0;
}

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

/* 侧栏通用卡片 */
.channel-aside,
.page-aside,
.guide-aside {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.aside-lead,
.aside-desc {
  font-size: 14px;
  color: var(--text-soft);
  margin: 0 0 16px;
}

.aside-title {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 10px;
}

.aside-title:first-child {
  margin-top: 0;
}

.aside-links,
.aside-link-list,
.aside-tip-list,
.aside-channel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.aside-links a,
.aside-link-item a,
.aside-link-list a,
.aside-channel-item a {
  font-size: 15px;
  color: var(--text-main);
}

.aside-links a:hover,
.aside-link-list a:hover,
.aside-channel-item a:hover {
  color: var(--accent);
}

.aside-tip-item {
  font-size: 14px;
  color: var(--text-soft);
  padding-left: 16px;
  position: relative;
}

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

.aside-link-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.aside-link-note {
  font-size: 13px;
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero {
  background-color: var(--bg-deep);
  color: var(--text-invert);
  margin: 0 -24px 56px;
  padding: 56px 24px 48px;
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

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

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-invert-soft);
  margin: 0 0 14px;
}

.hero-title {
  font-size: 38px;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-invert);
}

.hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-invert-soft);
  max-width: 560px;
  margin-bottom: 28px;
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--bg-deep-soft);
}

.hero-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-invert-soft);
}

.hero-panel {
  background-color: var(--bg-deep-soft);
  border: 1px solid #3a3e44;
  border-radius: var(--radius);
  padding: 28px;
  min-width: 0;
}

.panel-title {
  font-size: 20px;
  color: var(--text-invert);
  margin-bottom: 10px;
}

.panel-lead {
  font-size: 14px;
  color: var(--text-invert-soft);
  margin-bottom: 20px;
}

.path-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.path-item {
  border-top: 1px solid #3a3e44;
  padding-top: 12px;
}

.path-item:first-child {
  border-top: none;
  padding-top: 0;
}

.path-link {
  display: block;
  color: var(--text-invert);
  font-size: 16px;
  font-weight: 600;
  padding: 4px 0;
}

.path-link:hover {
  color: #e2a184;
}

.path-desc {
  display: block;
  font-size: 13px;
  color: var(--text-invert-soft);
  margin-top: 4px;
  font-weight: 400;
}

.panel-note {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--text-invert-soft);
}

.panel-note a {
  color: #e2a184;
}

/* 首页 · 题材频道总表 */
.genre-table {
  margin-bottom: 64px;
}

.genre-rows {
  border-top: 1px solid var(--line);
}

.genre-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.18s ease;
}

.genre-row:hover {
  background-color: #fffdfa;
}

.genre-text {
  min-width: 0;
}

.genre-name {
  font-size: 18px;
  margin-bottom: 12px;
}

.genre-name a {
  color: var(--text-main);
}

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

.genre-fields {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 6px 14px;
  font-size: 14px;
}

.genre-fields dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--field-tone);
  padding-top: 2px;
}

.genre-fields dd {
  color: var(--text-soft);
  min-width: 0;
}

.genre-figure {
  margin: 0;
}

.genre-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--accent-soft);
}

/* 首页 · 更新节奏速览 */
.rhythm {
  margin-bottom: 64px;
}

.rhythm-months {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.rhythm-month {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.rhythm-month-name {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--field-tone);
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.rhythm-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rhythm-item {
  min-width: 0;
}

.rhythm-name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.rhythm-meta {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--text-soft);
}

/* 首页 · 专题合集入口 */
.topic {
  margin-bottom: 64px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.topic-card {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topic-figure {
  margin: 0;
}

.topic-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--accent-soft);
}

.topic-body {
  padding: 20px 22px 24px;
}

.topic-name {
  font-size: 18px;
  margin-bottom: 10px;
}

.topic-name a {
  color: var(--text-main);
}

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

.topic-scope,
.topic-meta {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--text-soft);
}

/* 首页 · 信息边界与页面索引 */
.boundary {
  margin-bottom: 24px;
}

.boundary-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.boundary-fields,
.page-index {
  min-width: 0;
}

.boundary-subtitle {
  font-size: 17px;
  margin-bottom: 14px;
}

.boundary-note {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--text-soft);
}

.index-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
}

.index-column {
  min-width: 0;
  border-left: 2px solid var(--accent-soft);
  padding-left: 14px;
}

.index-link {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

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

.index-desc {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   pages · 题材频道页
   -------------------------------------------------------------------------- */
.channel-table {
  margin-bottom: 56px;
}

.channel-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 28px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.18s ease;
}

.channel-row:hover {
  background-color: #fffdfa;
}

.channel-row-text {
  min-width: 0;
}

.channel-name {
  font-size: 18px;
  margin-bottom: 12px;
}

.channel-fields {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 6px 14px;
  font-size: 14px;
  margin-bottom: 12px;
}

.channel-fields dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--field-tone);
  padding-top: 2px;
}

.channel-fields dd {
  color: var(--text-soft);
  min-width: 0;
}

.channel-link {
  font-size: 14px;
  color: var(--accent);
}

.channel-figure {
  margin: 0;
}

.channel-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--accent-soft);
}

.channel-basis {
  margin-bottom: 56px;
}

.basis-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-top: 20px;
}

.basis-text,
.basis-fields {
  min-width: 0;
}

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

.channel-advice {
  margin-bottom: 8px;
}

.advice-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.advice-item {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  min-width: 0;
}

.advice-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.advice-item p {
  margin: 0;
  font-size: 14px;
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   pages · 更新节奏页
   -------------------------------------------------------------------------- */
.rhythm-intro {
  margin-bottom: 56px;
}

.intro-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-top: 20px;
}

.intro-text,
.intro-table {
  min-width: 0;
}

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

.rhythm-timeline {
  margin-bottom: 56px;
}

.month-group {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.month-group:last-child {
  border-bottom: 1px solid var(--line);
}

.month-label {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--field-tone);
  font-weight: 600;
}

.record-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.record-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 6px 16px;
  align-items: baseline;
  font-size: 15px;
}

.record-type {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  border-radius: var(--radius);
  padding: 2px 8px;
  text-align: center;
  white-space: nowrap;
}

.record-name {
  font-weight: 600;
  min-width: 0;
}

.record-scope {
  grid-column: 2;
  font-size: 14px;
  color: var(--text-soft);
  min-width: 0;
}

.rhythm-reading {
  margin-bottom: 40px;
}

.reading-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--content-col)) minmax(0, var(--aside-col));
  gap: 48px;
  align-items: start;
  margin-top: 20px;
}

.reading-main,
.reading-aside {
  min-width: 0;
}

.reading-main p {
  font-size: 15px;
  color: var(--text-soft);
}

.reading-aside {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.reading-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: decimal;
  padding-left: 20px;
  font-size: 15px;
  color: var(--text-soft);
}

.reading-note {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--text-soft);
}

.rhythm-figure {
  margin: 0;
}

.rhythm-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--accent-soft);
}

.rhythm-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   pages · 专题合集页
   -------------------------------------------------------------------------- */
.collection-section {
  margin-bottom: 56px;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.collection-card {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0;
}

.collection-media {
  margin: 0;
}

.collection-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--accent-soft);
}

.collection-name {
  font-size: 17px;
  padding: 18px 20px 8px;
}

.collection-scope,
.collection-channels {
  margin: 0;
  padding: 0 20px 6px;
  font-size: 14px;
  color: var(--text-soft);
}

.collection-channels {
  padding-bottom: 20px;
}

.collection-channels a {
  color: var(--accent);
  margin-right: 10px;
}

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

.relation-table {
  margin-top: 20px;
  font-size: 14px;
  border: 1px solid var(--line);
  background-color: #fff;
}

.relation-table th,
.relation-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.relation-table thead th {
  background-color: #f1ede7;
  font-size: 13px;
  color: var(--field-tone);
  font-weight: 600;
}

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

.relation-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.relation-note {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--text-soft);
}

.order-section {
  margin-bottom: 8px;
}

.order-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 20px;
}

.order-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: 18px 20px;
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.order-index {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
  font-weight: 600;
}

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

.order-desc {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  color: var(--text-soft);
  min-width: 0;
}

.order-tip {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--text-soft);
}

.order-tip a {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   pages · 浏览指引页
   -------------------------------------------------------------------------- */
.guide-overview {
  margin-bottom: 56px;
}

.guide-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 20px;
}

.guide-overview-col {
  min-width: 0;
}

.guide-channel-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-channel-item {
  border-left: 2px solid var(--accent-soft);
  padding-left: 14px;
  min-width: 0;
}

.guide-channel-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.guide-channel-desc {
  display: block;
  font-size: 14px;
  color: var(--text-soft);
  margin-top: 2px;
}

.guide-boundary {
  margin-bottom: 56px;
}

.guide-figure {
  margin: 20px 0 28px;
}

.guide-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background-color: var(--accent-soft);
}

.guide-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-soft);
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.boundary-item {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-width: 0;
}

.boundary-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.boundary-text {
  margin: 0;
  font-size: 14px;
  color: var(--text-soft);
}

.guide-faq {
  margin-bottom: 8px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}

.faq-item {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 20px;
}

.faq-question {
  font-size: 16px;
  font-weight: 600;
  padding: 16px 32px 16px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 16px;
  font-size: 18px;
  color: var(--accent);
  line-height: 1;
}

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

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

.faq-answer p {
  margin: 0;
  font-size: 15px;
  color: var(--text-soft);
}

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

.field-meaning,
.field-value {
  font-size: 14px;
  color: var(--text-soft);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 24px 96px;
}

.error-panel {
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px 40px;
}

.error-inner {
  max-width: 720px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent);
  margin: 0 0 12px;
}

.error-inner h1 {
  font-size: 34px;
  line-height: 1.25;
  margin-bottom: 14px;
}

.error-text {
  font-size: 16px;
  color: var(--text-soft);
  margin-bottom: 24px;
}

.error-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  margin-bottom: 28px;
}

.error-paths a {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text-main);
}

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

.error-action {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 15px;
}

.error-action:hover {
  color: #fff;
  background-color: #96381a;
}

/* --------------------------------------------------------------------------
   responsive · 960px 与 640px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .page-layout,
  .reading-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

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

  .hero-title {
    font-size: 32px;
  }

  .genre-row,
  .channel-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .genre-figure,
  .channel-figure {
    max-width: 420px;
  }

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

  .boundary-inner,
  .basis-columns,
  .intro-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

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

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

@media (max-width: 640px) {
  .top-bar-text {
    padding: 8px 16px;
    font-size: 12px;
  }

  .header-inner {
    padding: 0 16px;
    min-height: 60px;
    flex-wrap: wrap;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-slogan {
    font-size: 11px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 16px;
    border-top: 1px solid var(--line);
  }

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

  .nav-link {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .nav-link.is-current {
    border-bottom-color: var(--line);
  }

  .home-main,
  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 56px;
  }

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

  .breadcrumb {
    padding-bottom: 12px;
  }

  .page-header {
    padding-bottom: 20px;
    margin-bottom: 28px;
  }

  .page-title,
  .error-inner h1 {
    font-size: 26px;
  }

  .hero {
    margin: 0 -16px 40px;
    padding: 36px 16px 32px;
  }

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

  .hero-lead {
    font-size: 15px;
  }

  .hero-panel {
    padding: 22px 18px;
  }

  .section-title {
    font-size: 21px;
  }

  .genre-table,
  .rhythm,
  .topic,
  .channel-table,
  .channel-basis,
  .rhythm-intro,
  .rhythm-timeline,
  .collection-section,
  .relation-section,
  .guide-overview,
  .guide-boundary {
    margin-bottom: 44px;
  }

  .genre-row,
  .channel-row {
    padding: 20px 0;
  }

  .genre-fields,
  .channel-fields {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .genre-fields dt,
  .channel-fields dt {
    margin-top: 8px;
  }

  .genre-figure,
  .channel-figure {
    max-width: none;
  }

  .rhythm-months,
  .topic-grid,
  .collection-grid,
  .advice-list,
  .guide-overview-grid,
  .boundary-list,
  .error-paths {
    grid-template-columns: minmax(0, 1fr);
  }

  .index-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
  }

  .month-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .record-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .record-scope {
    grid-column: 1;
  }

  .order-item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .order-desc {
    grid-column: 2;
  }

  .error-main {
    padding: 48px 16px 64px;
  }

  .error-panel {
    padding: 32px 22px;
  }

  .footer-inner {
    padding: 32px 16px 20px;
  }

  .footer-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
    padding: 22px 0;
  }

  .channel-aside,
  .page-aside,
  .guide-aside,
  .reading-aside {
    padding: 20px 18px;
  }
}