/* =========================================================
   动漫天堂 ltynx.cn 全站样式
   base → layout → components → pages → responsive
   ========================================================= */

/* ---------------------------------------------------------
   base：变量、重置、排版基础
   --------------------------------------------------------- */
:root {
  --c-page: #f7f8f7;
  --c-panel: #ffffff;
  --c-ink: #1f2a2e;
  --c-ink-soft: #5b6a70;
  --c-accent: #128f76;
  --c-accent-deep: #0f6f5c;
  --c-line: #dfe5e3;
  --c-tint: #f0f7f5;
  --radius: 6px;
  --shell: 1160px;
  --gap: 24px;
}

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

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

body {
  margin: 0;
  background: var(--c-page);
  color: var(--c-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

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

h1 {
  font-size: 32px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin: 0 0 12px;
}

p:last-child {
  margin-bottom: 0;
}

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

a {
  color: var(--c-accent-deep);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--c-accent);
  text-decoration: underline;
}

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

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 8px;
  color: var(--c-ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

strong {
  font-weight: 600;
  color: var(--c-ink);
}

dl,
dd,
dt {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

/* ---------------------------------------------------------
   layout：容器、骨架、页头、页脚、主内容
   --------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--c-ink);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0;
}

.brand:hover,
.brand:focus-visible {
  color: var(--c-accent-deep);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li {
  display: flex;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius);
  color: var(--c-ink-soft);
  font-size: 15px;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--c-tint);
  color: var(--c-accent-deep);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--c-accent-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--c-ink);
}

.nav-toggle::before {
  top: 16px;
  box-shadow: 0 6px 0 var(--c-ink);
}

.nav-toggle::after {
  bottom: 16px;
}

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

.home-main {
  padding-bottom: 8px;
}

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

.site-footer {
  margin-top: 48px;
  background: var(--c-panel);
  border-top: 1px solid var(--c-line);
}

/* ---------------------------------------------------------
   components：事实条、面包屑、页标题区、区块头、按钮、标签
   --------------------------------------------------------- */
.fact-bar {
  background: var(--c-tint);
  border-bottom: 1px solid var(--c-line);
}

.fact-bar-inner {
  padding-top: 8px;
  padding-bottom: 8px;
}

.fact-bar p,
.fact-text {
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.site-notice {
  margin: 0;
  padding: 8px 24px;
  background: var(--c-tint);
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink-soft);
  font-size: 13px;
  text-align: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-top: 20px;
  color: var(--c-ink-soft);
  font-size: 13px;
}

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

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--c-accent-deep);
}

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

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

.page-header {
  padding: 14px 0 24px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  margin-bottom: 10px;
  font-size: 32px;
}

.page-description {
  max-width: 78ch;
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 15px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2,
.section-title {
  margin-bottom: 8px;
  font-size: 22px;
}

.section-desc,
.section-lead {
  max-width: 76ch;
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.section-note {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--c-tint);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-ink-soft);
  font-size: 14px;
}

.panel-more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 14px;
  color: var(--c-accent-deep);
  font-size: 14px;
  font-weight: 600;
}

.panel-more:hover,
.panel-more:focus-visible {
  color: var(--c-accent);
}

.entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--c-accent-deep);
  font-size: 14px;
  font-weight: 600;
}

.status-tag {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: var(--c-tint);
  color: var(--c-accent-deep);
  font-size: 12px;
  line-height: 1.6;
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
}

.btn-primary {
  border: 1px solid var(--c-accent-deep);
  background: var(--c-accent-deep);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #ffffff;
  text-decoration: none;
}

.btn-ghost {
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  color: var(--c-accent-deep);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--c-accent);
  background: var(--c-tint);
  text-decoration: none;
}

/* 封面图统一比例约束 */
.cover-card img,
.entry-cover img,
.hero-media img,
.updates-figure img,
.rank-figure img,
.guide-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--c-tint);
}

/* ---------------------------------------------------------
   components：页脚
   --------------------------------------------------------- */
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 24px;
}

.footer-title {
  margin-bottom: 12px;
  font-size: 15px;
}

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

.footer-list a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--c-accent-deep);
}

.footer-bottom {
  padding-top: 16px;
  padding-bottom: 28px;
  border-top: 1px solid var(--c-line);
}

.footer-about {
  margin-bottom: 6px;
  color: var(--c-ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

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

/* ---------------------------------------------------------
   pages：首页
   --------------------------------------------------------- */
.hero {
  padding: 40px 0 44px;
  border-bottom: 1px solid var(--c-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: start;
}

.hero-title {
  margin-bottom: 14px;
  font-size: 34px;
}

.hero-lead {
  max-width: 62ch;
  margin-bottom: 18px;
  color: var(--c-ink-soft);
  font-size: 16px;
}

.hero-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.hero-paths .path-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  color: var(--c-accent-deep);
  font-size: 14px;
  font-weight: 600;
}

.hero-paths .path-link:hover,
.hero-paths .path-link:focus-visible {
  border-color: var(--c-accent);
  background: var(--c-tint);
  text-decoration: none;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags li {
  padding: 4px 12px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: var(--c-panel);
  color: var(--c-ink-soft);
  font-size: 13px;
}

.hero-media {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-panel);
}

.hero-media img {
  aspect-ratio: 16 / 10;
}

.hero-media figcaption {
  padding: 10px 14px;
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.genre-overview {
  padding: 44px 0;
  border-bottom: 1px solid var(--c-line);
}

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

.genre-col {
  display: flex;
  flex-direction: column;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.genre-col h3 {
  margin-bottom: 8px;
}

.genre-col p {
  flex: 1 1 auto;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.wall-updates {
  padding: 44px 0;
  border-bottom: 1px solid var(--c-line);
}

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.wall-panel,
.rank-panel {
  min-width: 0;
}

.updates-panel,
.fields-panel {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.cover-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.cover-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  overflow: hidden;
}

.cover-card img {
  aspect-ratio: 3 / 4;
}

.cover-card h3 {
  padding: 10px 12px 0;
  font-size: 15px;
}

.cover-meta {
  padding: 4px 12px 14px;
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 13px;
}

.update-group {
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.update-group:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.update-date {
  margin-bottom: 8px;
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 600;
}

.update-list li,
.update-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

.update-list li:last-child {
  border-bottom: 0;
}

.update-meta {
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 13px;
}

.rank-fields {
  padding: 44px 0;
  border-bottom: 1px solid var(--c-line);
}

.rank-list {
  counter-reset: rank;
}

.rank-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

.rank-row:last-child {
  border-bottom: 0;
}

.rank-no {
  color: var(--c-accent-deep);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.rank-name {
  font-weight: 600;
}

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

.field-list {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 6px 14px;
}

.field-list dt {
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 600;
}

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

.fields-boundary {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  color: var(--c-ink-soft);
  font-size: 13px;
}

.site-index {
  padding: 44px 0 8px;
}

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

.index-col {
  padding: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.index-col h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.index-col p {
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 13px;
}

/* ---------------------------------------------------------
   pages：题材分类
   --------------------------------------------------------- */
.genre-basis {
  padding: 32px 0;
  border-bottom: 1px solid var(--c-line);
}

.genre-basis h2 {
  margin-bottom: 10px;
}

.genre-basis > p {
  max-width: 78ch;
  color: var(--c-ink-soft);
  font-size: 15px;
}

.basis-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.basis-list li {
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  color: var(--c-ink-soft);
  font-size: 14px;
}

.genre-group {
  padding: 32px 0;
  border-bottom: 1px solid var(--c-line);
}

.genre-group-head {
  margin-bottom: 18px;
}

.genre-group-head h2 {
  margin-bottom: 8px;
}

.genre-tendency {
  max-width: 78ch;
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.entry-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.entry-cover {
  margin-bottom: 12px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  overflow: hidden;
}

.entry-cover img {
  aspect-ratio: 3 / 4;
}

.entry-name {
  margin-bottom: 6px;
  font-size: 16px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
}

.entry-genre {
  padding: 1px 8px;
  border-radius: 4px;
  background: var(--c-tint);
  color: var(--c-accent-deep);
}

.entry-status {
  color: var(--c-ink-soft);
}

.entry-desc {
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.genre-fields {
  padding: 32px 0 8px;
}

.genre-fields h2 {
  margin-bottom: 10px;
}

.genre-fields > p {
  max-width: 78ch;
  color: var(--c-ink-soft);
  font-size: 15px;
}

.genre-fields .field-list {
  margin-top: 16px;
}

/* ---------------------------------------------------------
   pages：最近更新
   --------------------------------------------------------- */
.page-layout {
  padding-top: 32px;
}

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

.updates-scope,
.updates-list-section,
.updates-field-section {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-line);
}

.updates-field-section {
  border-bottom: 0;
  padding-bottom: 0;
}

.updates-scope h2,
.updates-list-section h2,
.updates-field-section h2 {
  margin-bottom: 10px;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.scope-item {
  padding: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.scope-name {
  margin-bottom: 6px;
  font-size: 15px;
}

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

.updates-figure {
  margin-top: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-panel);
}

.updates-figure img {
  aspect-ratio: 16 / 9;
}

.updates-figure figcaption {
  padding: 10px 14px;
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.updates-list-section .update-group {
  margin-top: 18px;
}

.update-rows li {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr) minmax(0, 0.7fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

.update-rows li:last-child {
  border-bottom: 0;
}

.update-name {
  font-weight: 600;
}

.update-genre {
  color: var(--c-ink-soft);
  font-size: 13px;
}

.update-state {
  justify-self: start;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.state-ongoing {
  background: var(--c-tint);
  color: var(--c-accent-deep);
}

.state-completed {
  background: #eef1f0;
  color: var(--c-ink-soft);
}

.state-pending {
  background: #ffffff;
  border: 1px solid var(--c-line);
  color: var(--c-ink-soft);
}

.updates-field-section .field-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.field-item {
  padding: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.field-name {
  margin-bottom: 6px;
  font-size: 15px;
}

.field-item p {
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 14px;
}

/* ---------------------------------------------------------
   pages：人气榜单
   --------------------------------------------------------- */
.rank-list-section,
.rank-scope-section,
.rank-genre-section,
.rank-path-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--c-line);
}

.rank-path-section {
  border-bottom: 0;
  padding-bottom: 8px;
}

.rank-list-section .rank-list {
  margin-top: 4px;
}

.rank-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

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

.rank-item .rank-no {
  margin: 0;
  color: var(--c-accent-deep);
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

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

.rank-body .rank-name {
  margin-bottom: 4px;
  font-size: 17px;
}

.rank-body .rank-genre {
  margin: 0 0 6px;
  color: var(--c-accent-deep);
  font-size: 13px;
}

.rank-body .rank-note {
  margin: 0;
  max-width: 76ch;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.rank-figure {
  margin: 28px 0 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-panel);
}

.rank-figure img {
  aspect-ratio: 16 / 9;
}

.rank-figure figcaption {
  padding: 10px 14px;
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.rank-scope-section .scope-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.genre-map-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.genre-map-item {
  padding: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.genre-map-name {
  margin-bottom: 6px;
  font-size: 15px;
}

.genre-map-count {
  margin: 0 0 6px;
  color: var(--c-accent-deep);
  font-size: 14px;
  font-weight: 600;
}

.genre-map-note {
  margin: 0;
  color: var(--c-ink-soft);
  font-size: 13px;
}

.path-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.path-item {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.path-name {
  margin-bottom: 6px;
  font-size: 16px;
}

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

/* ---------------------------------------------------------
   pages：阅读说明
   --------------------------------------------------------- */
.guide-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--c-line);
}

.guide-section:last-of-type {
  border-bottom: 0;
  padding-bottom: 8px;
}

.guide-section h2 {
  margin-bottom: 10px;
}

.guide-section > p {
  max-width: 78ch;
  color: var(--c-ink-soft);
  font-size: 15px;
}

.guide-figure {
  margin: 18px 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-panel);
}

.guide-figure img {
  aspect-ratio: 16 / 9;
}

.guide-figure figcaption {
  padding: 10px 14px;
  margin: 0;
  border-top: 1px solid var(--c-line);
}

.field-table {
  margin-top: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  font-size: 14px;
}

.field-table caption {
  padding: 12px 14px;
  color: var(--c-ink-soft);
  font-size: 13px;
  text-align: left;
}

.field-table th,
.field-table td {
  padding: 11px 14px;
  border-top: 1px solid var(--c-line);
  text-align: left;
  vertical-align: top;
}

.field-table thead th {
  background: var(--c-tint);
  color: var(--c-ink);
  font-weight: 600;
}

.field-table tbody th {
  width: 180px;
  color: var(--c-ink);
  font-weight: 600;
}

.field-table tbody td {
  color: var(--c-ink-soft);
}

.guide-rule-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.guide-rule-list li {
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  color: var(--c-ink-soft);
  font-size: 14px;
}

.boundary-list {
  margin: 16px 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.boundary-list li {
  padding: 11px 14px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink-soft);
  font-size: 14px;
}

.boundary-list li:last-child {
  border-bottom: 0;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.path-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.path-card h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.path-card p {
  flex: 1 1 auto;
  color: var(--c-ink-soft);
  font-size: 14px;
}

.path-card .path-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--c-accent-deep);
  font-size: 14px;
  font-weight: 600;
}

.faq-item {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  margin-bottom: 10px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  color: var(--c-ink);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.faq-item summary::marker {
  color: var(--c-accent-deep);
}

.faq-item p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--c-ink-soft);
  font-size: 14px;
}

/* ---------------------------------------------------------
   pages：404
   --------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  padding: 56px 0;
}

.error-panel {
  padding: 32px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.error-panel h1 {
  margin-bottom: 12px;
  font-size: 30px;
}

.error-lead {
  max-width: 70ch;
  color: var(--c-ink-soft);
  font-size: 15px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

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

.error-paths h2 {
  margin-bottom: 16px;
}

.error-paths .path-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.error-paths .path-col {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
}

.error-paths .path-col h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.error-paths .path-col p {
  color: var(--c-ink-soft);
  font-size: 14px;
}

.error-paths .path-col a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--c-accent-deep);
  font-size: 14px;
  font-weight: 600;
}

/* ---------------------------------------------------------
   responsive：1024px / 768px / 480px
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    gap: 28px;
  }

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

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

  .scope-list,
  .rank-scope-section .scope-list,
  .genre-map-list,
  .error-paths .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .shell {
    padding: 0 16px;
  }

  .site-notice {
    padding: 8px 16px;
  }

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

  h2,
  .section-head h2,
  .section-title {
    font-size: 20px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--c-panel);
    border-bottom: 1px solid var(--c-line);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
  }

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

  .nav-list li {
    display: block;
  }

  .nav-list a {
    display: flex;
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 10px;
    border-bottom: 1px solid var(--c-line);
    border-radius: 0;
  }

  .nav-list a.is-current {
    text-decoration: none;
    background: var(--c-tint);
  }

  .hero {
    padding: 28px 0 32px;
  }

  .hero-grid,
  .layout-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

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

  .genre-overview,
  .wall-updates,
  .rank-fields,
  .site-index {
    padding: 32px 0;
  }

  .genre-columns,
  .cover-wall,
  .index-columns,
  .basis-list,
  .entry-grid,
  .scope-list,
  .rank-scope-section .scope-list,
  .updates-field-section .field-list,
  .genre-map-list,
  .path-list,
  .guide-rule-list,
  .path-grid,
  .error-paths .path-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .rank-row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px 10px;
  }

  .rank-row .rank-note {
    grid-column: 2 / -1;
    min-width: 0;
  }

  .rank-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .update-rows li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

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

  .field-table th,
  .field-table td {
    padding: 9px 10px;
  }

  .field-table tbody th {
    width: 96px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding-top: 28px;
  }

  .error-main {
    padding: 32px 0;
  }

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

@media (max-width: 480px) {
  .cover-wall {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-paths .path-link {
    flex: 1 1 100%;
    justify-content: center;
  }

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

  .rank-row .rank-note {
    grid-column: 1 / -1;
  }

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

  .field-list dd {
    margin-bottom: 8px;
  }
}

/* ---------------------------------------------------------
   a11y / motion：滚动增强与低动效偏好
   --------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .genre-col,
  .cover-card,
  .entry-card,
  .index-col,
  .path-card,
  .scope-item,
  .genre-map-item,
  .path-item {
    transition: border-color 0.18s ease, background-color 0.18s ease;
  }

  .genre-col:hover,
  .cover-card:hover,
  .entry-card:hover,
  .index-col:hover,
  .path-card:hover,
  .scope-item:hover,
  .genre-map-item:hover,
  .path-item:hover {
    border-color: var(--c-accent);
    background: var(--c-tint);
  }
}