:root {
  --bg: #f7f8f7;
  --surface: #ffffff;
  --ink: #1e2321;
  --ink-soft: #5c6560;
  --accent: #2f6f63;
  --line: #e2e5e3;
  --tag-bg: #eef2f0;
  --radius: 4px;
  --radius-lg: 6px;
  --wrap: 1120px;
  --gap: 24px;
  --font-head: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 12px;
}

p {
  margin: 0 0 14px;
}

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

figure {
  margin: 0;
}

time, .rank-no, .rank-number, .update-date, .update-batch, .path-no, .step-index, .genre-index-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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

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

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main,
.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

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

.site-header {
  padding: 0 20px;
}

.site-header > .site-brand,
.site-header > .site-nav {
  max-width: none;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
  flex-wrap: wrap;
}

.site-brand {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  padding: 10px 0;
}

.site-brand:hover {
  color: var(--accent);
  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: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 15px;
  color: var(--ink-soft);
  border-radius: var(--radius);
}

.nav-list a:hover {
  color: var(--ink);
  background: var(--tag-bg);
  text-decoration: none;
}

.nav-list a.is-current {
  color: var(--accent);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  position: relative;
}

.nav-toggle::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  top: 15px;
  height: 2px;
  background: var(--ink);
  box-shadow: 0 6px 0 var(--ink), 0 12px 0 var(--ink);
}

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding: 40px 20px 24px;
}

.footer-groups {
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.footer-group-title {
  font-size: 15px;
  margin-bottom: 10px;
}

.footer-list li {
  margin-bottom: 8px;
}

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

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

.footer-note,
.footer-copy {
  max-width: var(--wrap);
  margin: 24px auto 0;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.footer-copy {
  margin-top: 6px;
}

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

.section {
  margin: 48px 0;
}

.section-head {
  margin-bottom: 20px;
}

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

.section-desc,
.section-lead,
.section-intro {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 720px;
}

.section-more,
.section-foot {
  margin-top: 16px;
  font-size: 14px;
}

.section-foot a {
  margin-right: 16px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius);
  background: var(--tag-bg);
  color: var(--accent);
  white-space: nowrap;
}

.tag-status {
  background: #e6efe9;
  color: #2f6f63;
}

.tag-genre {
  background: var(--tag-bg);
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: #285f55;
  text-decoration: none;
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 20px 0 0;
}

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

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

.page-header {
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

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

.page-description {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 760px;
}

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

/* ============ index page ============ */

.fact-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 10px 20px;
}

.fact-bar-text {
  max-width: var(--wrap);
  margin: 0 auto;
  font-size: 13px;
  color: var(--ink-soft);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 40px;
  align-items: start;
  padding: 48px 0 8px;
}

.hero-eyebrow {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
}

.hero-title {
  font-size: 40px;
  margin-bottom: 16px;
}

.hero-summary {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.hero-paths {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-path-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-path-name {
  font-weight: 600;
  font-size: 15px;
}

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

.hero-path-item a {
  font-size: 13px;
  margin-top: 4px;
}

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

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.hero-caption {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 10px;
}

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

.hero-quick a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
}

.hero-quick a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.genre-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
}

.genre-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.genre-scope {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
  flex: 1 1 auto;
}

.genre-meta {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.genre-link {
  font-size: 14px;
}

.split {
  display: grid;
  gap: 32px;
  margin: 48px 0;
}

.split-covers-updates {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.split-ranking-fields {
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
}

.split .section {
  margin: 0;
}

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

.cover-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

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

.cover-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 10px;
}

.cover-title {
  font-size: 15px;
  margin-bottom: 8px;
}

.cover-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.update-list {
  display: grid;
  gap: 0;
}

.update-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

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

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

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

.update-batch {
  font-size: 12px;
  color: var(--ink-soft);
}

.rank-list {
  display: grid;
}

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

.rank-no {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
}

.rank-name {
  min-width: 0;
  color: var(--ink);
}

.field-brief {
  margin: 0;
}

.field-brief dt {
  font-weight: 600;
  font-size: 15px;
  margin-top: 14px;
}

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

.field-brief dd {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

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

.path-step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.path-no {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 8px;
}

.path-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.path-desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.path-next {
  font-size: 14px;
}

.feedback-note {
  margin-top: 28px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.feedback-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.feedback-desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.feedback-link {
  font-size: 14px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.index-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 14px;
}

.index-link {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* ============ genres page ============ */

.sidebar-left .page-layout,
.page-layout.layout-shell.sidebar-left {
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
}

.genre-index {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  align-self: start;
  position: sticky;
  top: 84px;
}

.aside-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.aside-note {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.genre-index-list {
  display: grid;
  gap: 4px;
}

.genre-index-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--ink);
  border-radius: var(--radius);
}

.genre-index-item a:hover {
  background: var(--tag-bg);
  color: var(--accent);
  text-decoration: none;
}

.genre-index-count {
  font-size: 12px;
  color: var(--ink-soft);
}

.aside-foot {
  margin-top: 14px;
  font-size: 13px;
}

.aside-foot a {
  display: inline-block;
  margin-right: 12px;
}

.genre-content {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.genre-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  scroll-margin-top: 84px;
}

.genre-block-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.genre-block-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.genre-block-range,
.genre-block-angle {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 4px;
}

.genre-block-body {
  display: grid;
  grid-template-columns: minmax(220px, 4fr) minmax(0, 8fr);
  gap: 26px;
}

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

.genre-subtitle {
  font-size: 17px;
  margin-bottom: 8px;
}

.genre-desc p {
  font-size: 14px;
  color: var(--ink-soft);
}

.genre-link-row {
  margin-top: 12px;
  font-size: 14px;
}

.genre-entries {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}

.entry-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}

.entry-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.entry-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.entry-tag {
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0;
}

.genre-tips {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}

.genre-tips-title {
  font-size: 20px;
  margin-bottom: 14px;
}

.genre-tips-list {
  counter-reset: tips;
  display: grid;
  gap: 12px;
}

.genre-tips-list li {
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}

.genre-tips-list li::before {
  counter-increment: tips;
  content: counter(tips);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--tag-bg);
  border-radius: 50%;
}

/* ============ updates page ============ */

.updates-layout {
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  align-items: start;
}

.layout-main {
  display: grid;
  gap: 40px;
  min-width: 0;
}

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

.batch-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.batch-note {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
}

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

.batch-note p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

.section-media {
  margin: 20px 0 0;
}

.section-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.section-media figcaption {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 8px;
}

.field-pairs {
  margin: 0;
  display: grid;
  gap: 0;
}

.field-pair {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.field-pair .field-name {
  font-weight: 600;
  font-size: 14px;
}

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

.updates-aside {
  display: grid;
  gap: 20px;
  align-self: start;
}

.aside-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.aside-list {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.aside-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 14px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 8px;
}

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

.aside-label {
  color: var(--ink-soft);
}

.aside-value {
  color: var(--ink);
  font-weight: 600;
}

.aside-links {
  margin-top: 12px;
  font-size: 13px;
}

.aside-links a {
  display: inline-block;
  margin-right: 12px;
}

/* ============ ranking page ============ */

.page-ranking .page-layout {
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  align-items: start;
}

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

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

.ranking-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.rank-number {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
}

.rank-body {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 0;
}

.rank-body .rank-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.ranking-aside {
  display: grid;
  gap: 20px;
  align-self: start;
}

.ranking-aside .aside-text {
  font-size: 14px;
  color: var(--ink-soft);
}

.ranking-aside .aside-list {
  gap: 14px;
}

.ranking-aside .aside-list li h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.ranking-aside .aside-list li p {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0;
}

.aside-link {
  margin-top: 12px;
  font-size: 13px;
}

.aside-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.aside-figure figcaption {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 8px;
}

.ranking-advice {
  margin-top: 48px;
}

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

.advice-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.advice-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

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

/* ============ fields page ============ */

.page-fields .field-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.field-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

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

.field-row-head {
  background: var(--tag-bg);
  font-weight: 600;
}

.field-row-head .field-name,
.field-row-head .field-meaning {
  color: var(--ink);
}

.field-row .field-name {
  font-weight: 600;
}

.field-row .field-meaning {
  color: var(--ink-soft);
}

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

.scope-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

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

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

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 18px;
}

.faq-question {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

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

.faq-question::after {
  content: "展开";
  font-size: 12px;
  font-weight: 400;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2px 8px;
  white-space: nowrap;
}

.faq-item[open] .faq-question::after {
  content: "收起";
  background: var(--tag-bg);
}

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

.faq-answer p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 12px 0 0;
}

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

.related-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.related-item a {
  font-size: 15px;
  font-weight: 600;
}

.related-item span {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ============ guide page ============ */

.guide-layout {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: start;
}

.guide-main {
  display: grid;
  gap: 40px;
  min-width: 0;
}

.guide-steps .step-list {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.step-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.step-index {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 8px;
}

.step-name {
  font-size: 17px;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.step-link {
  font-size: 14px;
}

.guide-figure {
  margin-top: 22px;
}

.guide-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.figure-caption {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 8px;
}

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

.reading-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.reading-name {
  font-size: 16px;
  margin-bottom: 8px;
}

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

.feedback-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.feedback-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.feedback-name {
  font-size: 16px;
  margin-bottom: 8px;
}

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

.guide-related {
  margin-top: 32px;
}

.guide-related .related-list {
  margin-top: 16px;
}

/* ============ 404 page ============ */

.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 64px 20px 40px;
}

.error-main h1 {
  font-size: 32px;
  margin-bottom: 12px;
}

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

.error-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 15px;
}

.error-home-link:hover {
  background: #285f55;
  text-decoration: none;
}

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

.error-section h2 {
  font-size: 20px;
  margin-bottom: 14px;
}

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

.error-list li a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
}

.error-list li a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.error-note {
  margin-top: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ============ 淡入增强 ============ */

.path-step,
.step-item,
.field-row:not(.field-row-head),
.scope-item {
  animation: fade-up 0.5s ease both;
}

@keyframes fade-up {
  from {
    transform: translateY(8px);
  }
  to {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .path-step,
  .step-item,
  .field-row:not(.field-row-head),
  .scope-item,
  .cover-card {
    animation: none;
    transition: none;
  }
}

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

@media (max-width: 1024px) {
  .genre-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-top: 32px;
  }

  .split-covers-updates,
  .split-ranking-fields {
    grid-template-columns: minmax(0, 1fr);
  }

  .updates-layout,
  .page-ranking .page-layout,
  .guide-layout,
  .sidebar-left .page-layout,
  .page-layout.layout-shell.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
  }

  .genre-index {
    position: static;
  }

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

  .batch-notes,
  .path-steps,
  .advice-columns,
  .scope-list,
  .reading-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .nav-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    box-shadow: 0 8px 20px rgba(30, 35, 33, 0.06);
  }

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

  .nav-list a {
    min-height: 48px;
    padding: 0 12px;
    border-radius: var(--radius);
  }

  .site-nav {
    position: relative;
  }

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

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

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

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

  .genre-grid,
  .index-grid,
  .related-list,
  .batch-notes,
  .path-steps,
  .advice-columns,
  .scope-list,
  .reading-grid,
  .error-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .update-row .update-date {
    order: -1;
  }

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

  .ranking-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
  }

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

  .home-main,
  .inner-main {
    padding: 0 16px;
  }

  .fact-bar {
    padding: 10px 16px;
  }

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

@media (max-width: 420px) {
  .cover-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }
}