:root {
  --bg-deep: #101a2c;
  --bg-panel: #16233a;
  --bg-panel-soft: #1c2b45;
  --accent: #e8622c;
  --accent-bright: #ff8a4c;
  --paper: #f4efe6;
  --muted: #6b7a93;
  --line: #24334a;
  --radius: 6px;
  --container: 1160px;
  --shell-pad: 24px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
}

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

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

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

body.site-body {
  margin: 0;
  background-color: var(--bg-deep);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  font-weight: 700;
  line-height: 1.28;
  text-align: left;
}

p {
  margin: 0 0 12px;
}

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

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

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

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

figure {
  margin: 0;
}

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

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

time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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

/* ==========================================================================
   layout — 全站骨架
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--shell-pad);
  background-color: var(--bg-deep);
  border-bottom: 1px solid var(--line);
}

.site-nav {
  flex: 1 1 auto;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.nav-item {
  display: block;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--paper);
  border-radius: var(--radius);
}

.nav-link:hover,
.nav-link:focus-visible {
  background-color: var(--bg-panel);
  color: var(--accent-bright);
}

.nav-link.is-current {
  background-color: var(--accent);
  color: #fff;
  font-weight: 700;
}

.site-main {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px var(--shell-pad) 56px;
  flex: 1 1 auto;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--muted);
}

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

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

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

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

.page-header {
  max-width: 820px;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 40px;
  font-weight: 800;
  color: var(--paper);
  margin-bottom: 14px;
}

.page-description {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
}

.section {
  margin-bottom: 56px;
}

.section-title {
  font-size: 26px;
  color: var(--paper);
  margin-bottom: 10px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 26px;
}

.section-desc,
.section-intro,
.section-lead,
.section-text {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 22px;
}

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

.sub-title {
  font-size: 19px;
  color: var(--paper);
  margin-bottom: 6px;
}

.sub-desc {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
}

.sub-more {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-top: 14px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-bright);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
}

.sub-more:hover,
.sub-more:focus-visible {
  background-color: var(--accent);
  color: #fff;
}

.site-footer {
  background-color: var(--bg-panel);
  border-top: 1px solid var(--line);
  padding: 40px var(--shell-pad) 24px;
}

.footer-intro,
.footer-groups,
.footer-copy {
  max-width: var(--container);
  margin: 0 auto;
}

.footer-intro {
  margin-bottom: 28px;
}

.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
  margin-bottom: 6px;
}

.footer-slogan {
  font-size: 15px;
  color: var(--accent-bright);
  margin-bottom: 10px;
}

.footer-text {
  font-size: 14px;
  color: var(--muted);
  max-width: 720px;
  margin: 0;
}

.footer-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.footer-title {
  font-size: 15px;
  color: var(--paper);
  margin-bottom: 12px;
}

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

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

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--accent-bright);
  text-decoration: underline;
}

.footer-copy {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

/* ==========================================================================
   components — 页头组件
   ========================================================================== */

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

.brand-mark {
  font-size: 21px;
  font-weight: 800;
  color: var(--paper);
}

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

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  color: var(--accent-bright);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background-color: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.nav-toggle:hover .nav-toggle-bar,
.nav-toggle:focus-visible .nav-toggle-bar {
  background-color: var(--accent-bright);
}

/* ==========================================================================
   components — 通用表格
   ========================================================================== */

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

.field-table caption,
.field-table-caption {
  padding: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

.field-table thead th {
  background-color: var(--bg-panel-soft);
  color: var(--paper);
  font-weight: 700;
}

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

.field-table tbody th {
  color: var(--paper);
  font-weight: 600;
  white-space: nowrap;
}

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

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

/* ==========================================================================
   pages — 首页
   ========================================================================== */

.fact-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 10px var(--shell-pad);
  background-color: var(--paper);
  color: var(--bg-deep);
}

.fact-bar-text {
  margin: 0;
  font-size: 13px;
  color: var(--bg-deep);
}

.fact-bar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fact-bar-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--bg-deep);
  border: 1px solid var(--bg-deep);
  border-radius: var(--radius);
}

.fact-bar-links a:hover,
.fact-bar-links a:focus-visible {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.hero-poster {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  grid-template-areas:
    "copy visual"
    "tags tags";
  column-gap: 36px;
  row-gap: 26px;
  align-items: start;
  margin-bottom: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  grid-area: copy;
}

.hero-kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--bg-deep);
  background-color: var(--accent-bright);
  border-radius: var(--radius);
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  color: var(--paper);
  margin-bottom: 16px;
}

.hero-lead {
  max-width: 560px;
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.path-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.path-card:hover,
.path-card:focus-visible {
  background-color: var(--bg-panel-soft);
  border-left-color: var(--accent-bright);
}

.path-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-bright);
}

.path-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.path-desc {
  font-size: 13px;
  color: var(--muted);
}

.hero-visual {
  grid-area: visual;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-visual figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.hero-tags {
  grid-area: tags;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tag {
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  background-color: var(--bg-panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.genre-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.genre-col {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}

.genre-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-bright);
  margin-bottom: 6px;
}

.genre-name {
  font-size: 20px;
  color: var(--paper);
  margin-bottom: 8px;
}

.genre-feature {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
}

.genre-works {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.genre-works li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

.work-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}

.work-state {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1px 8px;
}

.genre-more {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-bright);
}

.genre-more:hover,
.genre-more:focus-visible {
  text-decoration: underline;
}

.cover-update-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: start;
}

.cover-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cover-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.cover-card:hover,
.cover-card:focus-within {
  border-color: var(--accent);
}

.cover-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.cover-name {
  padding: 10px 12px 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  margin: 0;
}

.cover-card:hover .cover-name {
  text-decoration: underline;
}

.cover-meta {
  padding: 0 12px 12px;
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.update-items {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.update-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1.4fr) minmax(0, 0.7fr) minmax(0, 0.9fr) minmax(0, 0.7fr);
  gap: 10px;
  align-items: center;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.update-row:hover {
  background-color: var(--bg-panel);
}

.update-date {
  color: var(--accent-bright);
  font-size: 13px;
}

.update-name {
  font-weight: 600;
  color: var(--paper);
}

.update-row:hover .update-name {
  text-decoration: underline;
}

.update-genre,
.update-chapter,
.update-state {
  color: var(--muted);
  font-size: 13px;
}

.rank-archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.rank-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.rank-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) minmax(0, 0.6fr) minmax(0, 1.2fr);
  gap: 10px;
  align-items: center;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.rank-row:hover {
  background-color: var(--bg-panel);
}

.rank-no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-bright);
}

.rank-name {
  font-weight: 600;
  color: var(--paper);
}

.rank-row:hover .rank-name {
  text-decoration: underline;
}

.rank-genre,
.rank-note {
  font-size: 13px;
  color: var(--muted);
}

.archive-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.archive-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr) minmax(0, 0.7fr);
  gap: 10px;
  align-items: center;
  padding: 11px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.archive-row:hover {
  background-color: var(--bg-panel);
}

.archive-name {
  font-weight: 600;
  color: var(--paper);
}

.archive-row:hover .archive-name {
  text-decoration: underline;
}

.archive-genre,
.archive-total {
  font-size: 13px;
  color: var(--muted);
}

.field-scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.field-panel,
.scope-panel,
.rank-panel,
.archive-panel,
.update-list,
.cover-wall {
  min-width: 0;
}

.scope-text {
  font-size: 15px;
  color: var(--muted);
}

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

.scope-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background-color: var(--accent);
}

.index-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.index-col {
  display: flex;
}

.index-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  padding: 16px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.index-link:hover,
.index-link:focus-visible {
  background-color: var(--bg-panel-soft);
  border-color: var(--accent);
}

.index-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

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

/* ==========================================================================
   pages — 题材分类
   ========================================================================== */

.section-genre-overview .genre-columns {
  gap: 16px;
}

.genre-column {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}

.genre-index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-bright);
  margin-bottom: 6px;
}

.genre-column .genre-name {
  font-size: 20px;
  margin-bottom: 8px;
}

.genre-trait {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
}

.genre-rep-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 8px;
}

.genre-rep-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.genre-rep-list li {
  font-size: 14px;
  color: var(--muted);
}

.genre-status {
  margin: auto 0 0;
  font-size: 13px;
  color: var(--accent-bright);
}

.genre-group {
  margin-bottom: 28px;
}

.genre-group:last-child {
  margin-bottom: 0;
}

.genre-group-title {
  font-size: 19px;
  color: var(--paper);
  padding-bottom: 8px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--accent);
}

.entry-list {
  display: flex;
  flex-direction: column;
}

.entry-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
}

.entry-item:hover {
  background-color: var(--bg-panel);
}

.entry-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  margin: 0;
}

.entry-item:hover .entry-name {
  text-decoration: underline;
}

.entry-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.genre-media-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.genre-media-item {
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.genre-media-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.genre-media-caption {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--muted);
}

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

.genre-media-note a {
  color: var(--accent-bright);
}

.genre-media-note a:hover,
.genre-media-note a:focus-visible {
  text-decoration: underline;
}

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

.step-item {
  position: relative;
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: genre-step;
}

.step-item::before {
  content: "0" counter(genre-step);
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-bright);
  margin-bottom: 8px;
}

.step-title {
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 8px;
}

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

/* ==========================================================================
   pages — 最近更新
   ========================================================================== */

.updates-overview {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

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

.media-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-figure figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.updates-overview-text .section-title {
  margin-bottom: 12px;
}

.updates-overview-text > p {
  font-size: 15px;
  color: var(--muted);
}

.updates-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.updates-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.fact-label {
  font-size: 12px;
  color: var(--muted);
}

.fact-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-bright);
}

.updates-overview-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.updates-overview-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-bright);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
}

.updates-overview-links a:hover,
.updates-overview-links a:focus-visible {
  background-color: var(--accent);
  color: #fff;
}

.updates-months {
  margin-bottom: 48px;
}

.month-group {
  margin-bottom: 32px;
}

.month-group:last-child {
  margin-bottom: 0;
}

.month-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--accent);
}

.month-title {
  font-size: 19px;
  color: var(--paper);
  margin: 0;
}

.month-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.month-group .update-list {
  display: flex;
  flex-direction: column;
}

.update-item {
  display: grid;
  grid-template-columns: 92px 84px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}

.update-item:hover {
  background-color: var(--bg-panel);
}

.update-item .update-date {
  font-size: 13px;
  color: var(--accent-bright);
}

.update-thumb {
  width: 84px;
  height: 112px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

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

.update-body .update-name {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.update-item:hover .update-name {
  text-decoration: underline;
}

.update-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 6px 0;
  font-size: 13px;
  color: var(--muted);
}

.update-desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.updates-fields {
  margin-bottom: 48px;
}

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

.field-note a {
  color: var(--accent-bright);
}

.field-note a:hover,
.field-note a:focus-visible {
  text-decoration: underline;
}

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

.rhythm-card {
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.rhythm-title {
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 8px;
}

.rhythm-card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

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

/* ==========================================================================
   pages — 人气榜单
   ========================================================================== */

.ranking-boards {
  margin-bottom: 48px;
}

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

.board-card {
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}

.board-name {
  font-size: 19px;
  color: var(--paper);
  margin-bottom: 6px;
}

.board-basis {
  font-size: 13px;
  color: var(--muted);
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.board-mini-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 14px;
}

.board-rank {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-bright);
}

.board-mini-name {
  color: var(--paper);
  font-weight: 600;
}

.board-mini-tag {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1px 8px;
}

.ranking-entries {
  margin-bottom: 48px;
}

.entry-media {
  margin-bottom: 24px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.entry-media img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.entry-media figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.ranking-entries .entry-list {
  display: flex;
  flex-direction: column;
}

.ranking-entries .entry-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}

.ranking-entries .entry-item:hover {
  background-color: var(--bg-panel);
}

.entry-rank {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-bright);
  line-height: 1.3;
}

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

.entry-body .entry-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.ranking-entries .entry-item:hover .entry-name {
  text-decoration: underline;
}

.entry-body .entry-fields {
  margin-bottom: 6px;
}

.entry-note {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.ranking-basis {
  margin-bottom: 48px;
}

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

.basis-block {
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.basis-name {
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 10px;
}

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

.basis-item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
}

.basis-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background-color: var(--accent);
}

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

.more-item {
  display: flex;
}

.more-item a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 56px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.more-item a:hover,
.more-item a:focus-visible {
  background-color: var(--bg-panel-soft);
  color: var(--accent-bright);
}

/* ==========================================================================
   pages — 阅读说明
   ========================================================================== */

.guide-figure {
  margin-bottom: 40px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.guide-fields {
  margin-bottom: 48px;
}

.guide-scope {
  margin-bottom: 48px;
}

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

.scope-column {
  padding: 20px 18px;
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.scope-column-excluded {
  border-top: 3px solid var(--muted);
}

.scope-heading {
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 12px;
}

.scope-column .scope-list {
  margin-top: 0;
}

.scope-column .scope-list a {
  color: var(--muted);
}

.scope-column .scope-list a:hover,
.scope-column .scope-list a:focus-visible {
  color: var(--accent-bright);
  text-decoration: underline;
}

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

.guide-faq {
  margin-bottom: 48px;
}

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

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

.faq-item[open] {
  border-color: var(--accent);
}

.faq-question {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::before {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent-bright);
}

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

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

.faq-answer {
  padding: 0 18px 16px 48px;
  font-size: 14px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.faq-answer a {
  color: var(--accent-bright);
}

.faq-answer a:hover,
.faq-answer a:focus-visible {
  text-decoration: underline;
}

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

.guide-link-item {
  display: flex;
}

.guide-link-item a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 56px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.guide-link-item a:hover,
.guide-link-item a:focus-visible {
  background-color: var(--bg-panel-soft);
  color: var(--accent-bright);
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.error-main {
  padding-top: 48px;
}

.error-hero {
  max-width: 680px;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  margin: 0 0 12px;
}

.error-title {
  font-size: 32px;
  color: var(--paper);
  margin-bottom: 12px;
}

.error-text {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 22px;
}

.error-home {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background-color: var(--accent);
  border-radius: var(--radius);
}

.error-home:hover,
.error-home:focus-visible {
  background-color: var(--accent-bright);
  color: var(--bg-deep);
}

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

.error-item {
  display: flex;
}

.error-item a {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 56px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.error-item a:hover,
.error-item a:focus-visible {
  background-color: var(--bg-panel-soft);
  color: var(--accent-bright);
}

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

@media (max-width: 900px) {
  .site-header {
    padding: 12px 20px;
  }

  .nav-toggle {
    display: flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    gap: 2px;
    padding: 8px 0;
    border-top: 1px solid var(--line);
  }

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

  .nav-link {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
  }

  .hero-poster {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "copy"
      "visual"
      "tags";
    column-gap: 0;
    row-gap: 22px;
  }

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

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

  .genre-columns,
  .genre-media-grid,
  .more-list,
  .guide-link-list,
  .error-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cover-update-grid,
  .rank-archive-grid,
  .field-scope-grid,
  .updates-overview {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

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

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

@media (max-width: 600px) {
  :root {
    --shell-pad: 16px;
  }

  .page-title {
    font-size: 28px;
  }

  .section-title {
    font-size: 22px;
  }

  .hero-title {
    font-size: 28px;
  }

  .fact-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-paths,
  .genre-columns,
  .genre-media-grid,
  .index-columns,
  .board-columns,
  .basis-columns,
  .rhythm-grid,
  .step-list,
  .scope-columns,
  .more-list,
  .guide-link-list,
  .error-list,
  .footer-groups {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .update-row {
    grid-template-columns: 76px minmax(0, 1fr);
    row-gap: 4px;
  }

  .update-row .update-genre,
  .update-row .update-chapter,
  .update-row .update-state {
    grid-column: 2;
  }

  .rank-row {
    grid-template-columns: 36px minmax(0, 1fr);
    row-gap: 4px;
  }

  .rank-row .rank-genre,
  .rank-row .rank-note {
    grid-column: 2;
  }

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

  .update-item {
    grid-template-columns: 76px minmax(0, 1fr);
    row-gap: 8px;
  }

  .update-item .update-date {
    grid-column: 1;
  }

  .update-thumb {
    width: 76px;
    height: 102px;
  }

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

  .ranking-entries .entry-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 10px;
  }

  .entry-rank {
    font-size: 18px;
  }

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

  .field-table tbody th {
    white-space: normal;
  }

  .faq-answer {
    padding-left: 18px;
  }

  .error-code {
    font-size: 48px;
  }
}