:root {
  --ink: #111111;
  --paper: #ffffff;
  --zone: #f4f4f5;
  --muted: #6b7280;
  --accent: #e8452c;
  --line: #e4e4e7;
  --line-strong: #d4d4d8;
  --radius: 6px;
  --radius-sm: 4px;
  --wrap: 1200px;
  --gap: 28px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;
}

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

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

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

body.site-body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

p {
  margin: 0;
}

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

dd {
  margin: 0;
}

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

a {
  color: var(--ink);
  text-decoration: none;
}

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

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

strong {
  font-weight: 700;
}

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

/* ============ layout: shell ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  flex: 0 0 auto;
}

.brand:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 5px;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--ink);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-list a:hover {
  background: var(--zone);
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

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

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
}

.site-main {
  display: block;
}

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

.inner-main {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 24px 24px 56px;
}

/* breadcrumb */

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

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

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

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

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

/* page header */

.page-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
}

.page-description {
  margin-top: 12px;
  max-width: 860px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

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

/* ============ layout: footer ============ */

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

.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px 24px 32px;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px 28px;
}

.footer-brand {
  min-width: 0;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.footer-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 320px;
}

.footer-group-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-group ul {
  display: block;
}

.footer-group li + li {
  margin-top: 8px;
}

.footer-group a {
  font-size: 14px;
  color: var(--muted);
}

.footer-group a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.footer-bottom p {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 24px;
  font-size: 13px;
  color: var(--muted);
}

/* ============ components: generic ============ */

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.section-desc,
.section-lead,
.section-note {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

.section-desc a,
.section-lead a,
.section-note a,
.compare-note a,
.criteria-note a,
.aside-link a,
.aside-note a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

.section-head {
  margin-bottom: 22px;
}

.btn,
.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

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

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

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

.content-media,
.guide-figure,
.hero-figure,
.genre-group-media,
.entry-cover,
.rank-cover {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--zone);
}

.content-media img,
.guide-figure img,
.hero-figure img,
.genre-group-media img,
.entry-cover img,
.rank-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

figcaption {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.content-media figcaption,
.guide-figure figcaption,
.hero-figure figcaption {
  padding: 10px 2px 0;
}

/* ============ pages: index ============ */

.site-factbar {
  background: var(--ink);
  color: var(--paper);
}

.site-factbar p {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 10px 24px;
  font-size: 13px;
  line-height: 1.7;
  color: #f4f4f5;
}

.hero-section {
  padding: 40px 0 8px;
}

.hero-head {
  max-width: 780px;
  margin-bottom: 28px;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
}

.hero-lead {
  margin-top: 14px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.85;
}

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

.hero-figure {
  margin-bottom: 26px;
}

.hero-figure img {
  aspect-ratio: 16 / 7;
}

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

.entry-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.entry-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.entry-card-featured {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: stretch;
  gap: 22px;
}

.entry-card-featured .entry-cover {
  flex: 0 0 320px;
  max-width: 320px;
}

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

.entry-card:not(.entry-card-featured) .entry-cover img {
  aspect-ratio: 3 / 4;
}

.entry-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-name {
  font-size: 18px;
  font-weight: 700;
}

.entry-card-featured .entry-name {
  font-size: 22px;
}

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

.entry-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 13px;
  color: var(--muted);
}

.entry-meta li {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.entry-link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
}

.entry-link a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

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

.status-tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
}

.genre-overview,
.updates-preview,
.ranking-preview,
.field-boundary,
.site-index {
  padding: 40px 0 8px;
}

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

.genre-column {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.genre-name {
  font-size: 18px;
  font-weight: 700;
}

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

.genre-name a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

.genre-trait {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.genre-picks {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.genre-picks li {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.9;
}

.genre-picks li + li {
  margin-top: 4px;
}

.update-list {
  border-top: 1px solid var(--line);
}

.update-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1.4fr) 120px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.update-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.update-name {
  font-weight: 700;
  color: var(--ink);
}

.update-genre {
  color: var(--muted);
}

.update-range {
  color: var(--muted);
}

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

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.18s ease;
}

.rank-item:hover {
  background: var(--zone);
}

.rank-no {
  flex: 0 0 40px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.5;
}

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

.rank-name {
  font-size: 16px;
  font-weight: 700;
}

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

.rank-reason {
  margin-top: 4px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

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

.field-column,
.boundary-column {
  padding: 22px;
  background: var(--zone);
  border-radius: var(--radius);
}

.column-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 14px;
}

.field-list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 14px;
}

.field-list dt:first-child {
  margin-top: 0;
}

.field-list dd {
  margin-top: 4px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.boundary-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.boundary-list li + li {
  margin-top: 10px;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

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

.index-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 96px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.index-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

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

.index-note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.75;
}

/* ============ pages: inner shared modules ============ */

.page-layout {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-layout.layout-shell {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.page-layout.sidebar-right {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.sidebar-left,
.sidebar-left .page-layout {
  grid-template-columns: 240px minmax(0, 1fr);
}

.genre-aside,
.updates-aside,
.ranking-aside {
  min-width: 0;
}

.aside-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.aside-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.aside-block {
  padding: 20px;
  background: var(--zone);
  border-radius: var(--radius);
}

.aside-block + .aside-block {
  margin-top: 20px;
}

.aside-block h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.aside-link {
  margin-top: 14px;
  font-size: 14px;
}

.related-entry,
.related-links,
.section-related {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.related-title,
.related-entry h2,
.related-links h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.related-entry-list,
.related-list,
.related-links ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.related-entry-list a,
.related-list a,
.related-links a {
  display: block;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.related-entry-list a:hover,
.related-list a:hover,
.related-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ pages: genre ============ */

.genre-anchor-list li + li {
  margin-top: 8px;
}

.genre-anchor-list a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--ink);
  border-left: 3px solid var(--line-strong);
  background: var(--paper);
}

.genre-anchor-list a:hover {
  border-left-color: var(--accent);
  color: var(--accent);
}

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

.genre-groups > h2,
.genre-compare > h2,
.genre-fields > h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.genre-group {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.genre-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.genre-group-name {
  font-size: 19px;
  font-weight: 700;
}

.genre-group-tag {
  font-size: 13px;
  color: var(--accent);
}

.genre-group-media {
  margin: 16px 0;
}

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

.genre-group-body p {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.85;
}

.genre-field-list {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.genre-field-list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  margin-top: 10px;
}

.genre-field-list dt:first-child {
  margin-top: 0;
}

.genre-field-list dd {
  margin-top: 3px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.genre-rep-list {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.genre-rep-list li {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.9;
}

.genre-rep-list li + li {
  margin-top: 4px;
}

.genre-compare,
.genre-fields {
  margin-top: 36px;
}

.compare-table-wrap {
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.compare-table caption,
.field-table caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  font-size: 14px;
  text-align: left;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--zone);
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
}

.compare-table tbody th {
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  white-space: nowrap;
}

.compare-table td {
  color: var(--muted);
  line-height: 1.8;
  min-width: 160px;
}

.compare-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.field-usage-list {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.field-usage-list li {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  background: var(--zone);
  border-radius: var(--radius);
}

.field-usage-list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

/* ============ pages: updates ============ */

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

.updates-list-section > h2,
.updates-path-section > h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

.update-row .update-body {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) 120px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  min-width: 0;
}

.update-title {
  font-weight: 700;
  color: var(--ink);
}

.update-meta {
  display: none;
}

.update-status {
  font-size: 13px;
}

.status-tag,
.status-ongoing,
.status-complete,
.status-paused {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  white-space: nowrap;
}

.status-complete {
  color: var(--muted);
  border-color: var(--line-strong);
}

.status-paused {
  color: var(--muted);
  border-color: var(--line-strong);
}

.updates-path-section {
  margin-top: 36px;
}

.path-steps {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.path-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--zone);
  border-radius: var(--radius);
}

.path-index,
.step-index {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  background: var(--ink);
  border-radius: 50%;
}

.path-body,
.step-body {
  min-width: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.content-media-inline {
  margin-top: 32px;
}

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

.updates-aside .field-list {
  margin-top: 4px;
}

/* ============ pages: ranking ============ */

.ranking-list-section {
  min-width: 0;
}

.ranking-list-section > h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ranking-list {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.18s ease;
}

.ranking-item:hover {
  background: var(--zone);
}

.rank-number {
  flex: 0 0 44px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.4;
}

.ranking-item--top .rank-number {
  font-size: 24px;
}

.rank-cover {
  flex: 0 0 72px;
  width: 72px;
}

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

.ranking-item .rank-body {
  flex: 1 1 auto;
}

.rank-title {
  font-size: 17px;
  font-weight: 700;
}

.ranking-item:hover .rank-title {
  color: var(--accent);
}

.rank-genre {
  margin-top: 4px;
  font-size: 13px;
  color: var(--accent);
}

.criteria-block {
  padding: 20px;
  background: var(--zone);
  border-radius: var(--radius);
}

.criteria-block + .criteria-block {
  margin-top: 20px;
}

.criteria-block h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.criteria-block > p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.criteria-list {
  margin-top: 12px;
}

.criteria-list li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.criteria-list li + li {
  margin-top: 8px;
}

.criteria-list strong {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.criteria-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.combine-item + .combine-item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.combine-item h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.combine-item p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* ============ pages: guide ============ */

.section {
  margin-top: 40px;
}

.section-fields {
  margin-top: 0;
}

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

.guide-figure img {
  aspect-ratio: 16 / 6;
}

.field-table {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-table thead th {
  padding: 12px 16px;
  background: var(--zone);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
}

.field-table tbody th,
.field-table tbody td {
  padding: 12px 16px;
  font-size: 14px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line);
}

.field-table tbody th {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.field-table tbody td {
  color: var(--muted);
  line-height: 1.8;
}

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

.boundary-block {
  padding: 22px;
  background: var(--zone);
  border-radius: var(--radius);
}

.boundary-heading {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 14px;
}

.section-path .path-steps {
  margin-top: 20px;
}

.step-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.faq-list {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

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

.faq-item summary {
  padding: 16px 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
}

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

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

.faq-item p {
  padding: 0 4px 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
}

/* ============ pages: 404 ============ */

.error-main {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 64px 24px 72px;
}

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

.error-block h1 {
  font-size: 30px;
  font-weight: 700;
}

.error-text {
  margin-top: 14px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.85;
}

.error-note {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

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

.error-help {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.error-help h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.error-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.error-list a {
  display: block;
  padding: 14px 16px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-layout.layout-shell,
  .page-layout.sidebar-right {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 28px;
  }

  .sidebar-left,
  .sidebar-left .page-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }
}

@media (max-width: 860px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0 18px;
  }

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

  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 12px;
  }

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

  .nav-list a {
    padding: 12px 4px;
    font-size: 16px;
    border-radius: 0;
  }

  .section-inner,
  .inner-main,
  .error-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-factbar p {
    padding: 10px 18px;
  }

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

  .page-title {
    font-size: 24px;
  }

  .entry-grid,
  .genre-columns,
  .field-boundary-columns,
  .boundary-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .entry-card-featured {
    flex-direction: column;
  }

  .entry-card-featured .entry-cover {
    flex: 0 0 auto;
    max-width: 100%;
  }

  .entry-card-featured .entry-cover img {
    aspect-ratio: 16 / 9;
  }

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

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

  .sidebar-left .genre-content,
  .sidebar-left .genre-aside {
    order: initial;
  }

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

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

  .update-genre,
  .update-range {
    font-size: 13px;
  }

  .ranking-item {
    gap: 12px;
  }

  .rank-cover {
    flex: 0 0 60px;
    width: 60px;
  }

  .field-table {
    display: block;
    overflow-x: auto;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 36px 18px 26px;
  }

  .footer-bottom p {
    padding: 16px 18px;
  }
}

@media (max-width: 560px) {
  .hero-section {
    padding-top: 28px;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-ghost,
  .error-actions .btn {
    flex: 1 1 auto;
  }

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

  .path-steps,
  .field-usage-list,
  .related-entry-list,
  .related-list,
  .related-links ul,
  .error-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .ranking-item {
    flex-wrap: wrap;
  }

  .ranking-item .rank-body {
    flex: 1 1 160px;
  }
}