/* ==========================================================================
   香蕉漫画 xiaoanpou.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base — 变量、重置、排版、可访问性
   -------------------------------------------------------------------------- */

:root {
  --ink: #2b2b2b;
  --ink-soft: #6b6b6b;
  --brand: #1f4a3d;
  --brand-deep: #163a30;
  --brand-tint: #eef3f0;
  --accent: #e8b93c;
  --accent-tint: #fdf6e3;
  --line: #e2e2e2;
  --line-strong: #cfd6d2;
  --page: #fbfbf8;
  --surface: #ffffff;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-soft: 0 1px 2px rgba(31, 74, 61, 0.06);
  --shadow-lift: 0 6px 18px rgba(31, 74, 61, 0.14);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --wrap: 1080px;
  --gutter: 24px;
}

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

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

body {
  margin: 0;
  background-color: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--brand);
  font-weight: 700;
  line-height: 1.4;
}

h1 {
  font-size: 28px;
  line-height: 1.3;
}

h2 {
  font-size: 20px;
}

h3 {
  font-size: 17px;
  line-height: 1.5;
}

p {
  margin: 0 0 12px;
}

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

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

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

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

figure {
  margin: 0;
}

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

th,
td {
  text-align: left;
  vertical-align: top;
}

button {
  font: inherit;
  color: inherit;
}

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

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 60;
  padding: 10px 16px;
  background-color: var(--brand);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: top 0.18s ease;
}

.skip-link:focus {
  top: 12px;
  color: #fff;
  text-decoration: none;
}

/* 术语与字段名统一等宽样式 */
.term {
  display: inline-block;
  padding: 1px 6px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   layout — 全站骨架：页头 / 导航 / 主容器 / 页脚
   -------------------------------------------------------------------------- */

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px var(--gutter);
}

.brand {
  flex: 0 0 auto;
  color: var(--brand);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.2;
}

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

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.4;
}

.nav-link:hover,
.nav-link:focus-visible {
  background-color: var(--brand-tint);
  color: var(--brand-deep);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--brand-deep);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 10px;
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background-color: var(--brand);
}

.site-main {
  display: block;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 28px var(--gutter) 56px;
}

.inner-main {
  padding-top: 20px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  color: var(--ink-soft);
  font-size: 13px;
}

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

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

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

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

.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}

.page-description {
  max-width: 820px;
  margin: 0;
  color: var(--ink-soft);
}

.page-lead {
  max-width: 820px;
  margin: 10px 0 0;
  color: var(--ink);
}

.site-footer {
  margin-top: 8px;
  background-color: var(--brand);
  color: #e6efe9;
}

.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 26px var(--gutter) 22px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-back,
.footer-top-link {
  color: #e6efe9;
  font-size: 14px;
}

.footer-back:hover,
.footer-top-link:hover,
.footer-back:focus-visible,
.footer-top-link:focus-visible {
  color: var(--accent);
}

.footer-brand {
  padding: 16px 0 6px;
}

.footer-brand-name {
  margin: 0;
  color: #ffffff;
  font-size: 17px;
  font-weight: 700;
}

.footer-brand-desc {
  max-width: 640px;
  margin: 6px 0 0;
  color: rgba(230, 239, 233, 0.82);
  font-size: 14px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-group-title {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

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

.footer-group a {
  color: #e6efe9;
  font-size: 14px;
}

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

.footer-copy {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(230, 239, 233, 0.72);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   components — 通用按钮、区块标题、表格、卡片、列表
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  min-height: 44px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
}

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

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

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

.text-link {
  display: inline-block;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
}

.text-link::after {
  content: " →";
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--brand-deep);
}

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

.section-title {
  margin-bottom: 6px;
  color: var(--brand);
  font-size: 20px;
}

.section-desc {
  max-width: 780px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.section-intro {
  max-width: 820px;
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.section-note {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.tag {
  display: inline-block;
  padding: 1px 8px;
  background-color: var(--accent-tint);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: #7a5a10;
  font-size: 12px;
  line-height: 1.7;
}

.field {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* 表格通用 */
.index-table,
.data-table,
.field-table {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.index-table th,
.index-table td,
.data-table th,
.data-table td,
.field-table th,
.field-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.index-table thead th,
.data-table thead th,
.field-table thead th {
  background-color: var(--brand-tint);
  color: var(--brand-deep);
  font-weight: 700;
  white-space: nowrap;
}

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

.table-wrap,
.field-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.table-caption,
.field-table-caption {
  padding: 10px 12px;
  color: var(--ink-soft);
  font-size: 13px;
  text-align: left;
}

.card-media,
.playlist-media,
.cover-figure,
.hero-figure,
.page-figure,
.page-media {
  overflow: hidden;
  background-color: var(--brand-tint);
  border-radius: var(--radius);
}

.card-media img,
.playlist-media img,
.cover-figure img,
.hero-figure img,
.page-figure img,
.page-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   pages — 首页
   -------------------------------------------------------------------------- */

/* 首屏：左定位说明 + 右题材索引字段表 */
.hero {
  margin-bottom: 44px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

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

.hero-eyebrow {
  margin: 0 0 8px;
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
}

.hero-title {
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 28px;
  line-height: 1.3;
}

.hero-desc {
  max-width: 520px;
  margin: 0 0 18px;
  color: var(--ink);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.hero-figure {
  margin: 0;
  border: 1px solid var(--line);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.hero-figure figcaption {
  padding: 8px 12px;
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
}

.hero-table {
  min-width: 0;
  padding: 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.hero-table-title {
  margin-bottom: 6px;
  font-size: 18px;
}

.hero-table-note {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 13px;
}

/* 封面墙 */
.cover-wall {
  margin-bottom: 44px;
}

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

.cover-card {
  min-width: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.cover-card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.cover-link {
  display: block;
  padding: 12px;
  color: inherit;
}

.cover-link:hover,
.cover-link:focus-visible {
  text-decoration: none;
}

.cover-figure {
  margin-bottom: 10px;
  border: 1px solid var(--line);
}

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

.cover-name {
  margin-bottom: 6px;
  color: var(--brand);
  font-size: 16px;
}

.cover-link:hover .cover-name,
.cover-link:focus-visible .cover-name {
  color: var(--brand-deep);
}

.cover-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

/* 题材索引速览 */
.genre-overview {
  margin-bottom: 44px;
}

.genre-rows {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.genre-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

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

.genre-name a {
  color: var(--brand);
  font-weight: 700;
}

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

.genre-field {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* 最近更新 + 排行榜 */
.updates-rank {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  margin-bottom: 44px;
}

.updates-col,
.rank-col {
  min-width: 0;
}

.update-list {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

.update-link {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 14px;
  color: inherit;
}

.update-link:hover,
.update-link:focus-visible {
  background-color: var(--brand-tint);
  text-decoration: none;
}

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

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

.update-field {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
}

.rank-list {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rank-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1.6fr) auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
}

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

.rank-no {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.rank-link {
  color: var(--brand);
  font-weight: 700;
}

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

.rank-field {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
}

/* 专题片单速览 */
.special-preview {
  margin-bottom: 44px;
}

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

.special-card {
  min-width: 0;
  padding: 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

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

.special-scope {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
}

.special-field {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* 阅读说明与内容归档入口 */
.guide-entry {
  margin-bottom: 44px;
}

.guide-entry-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 28px;
  padding: 22px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.guide-col,
.archive-col {
  min-width: 0;
}

.guide-points {
  margin: 0 0 16px;
}

.guide-points li {
  margin-bottom: 8px;
  color: var(--ink);
}

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

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

.archive-col .text-link {
  margin-top: 4px;
}

/* 站内页面索引 */
.site-index {
  margin-bottom: 8px;
}

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

.index-card {
  min-width: 0;
  padding: 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

/* --------------------------------------------------------------------------
   pages — 通用内页区块
   -------------------------------------------------------------------------- */

.inner-main .section,
.inner-main .content-section {
  margin-bottom: 36px;
}

.inner-main .section:last-child,
.inner-main .content-section:last-child {
  margin-bottom: 0;
}

/* 题材频道 */
.genre-table tbody th.row-head {
  width: 22%;
  color: var(--brand-deep);
  font-weight: 700;
  white-space: nowrap;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

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

.featured-card .card-media {
  border-radius: 0;
  border-bottom: 1px solid var(--line);
}

.featured-card .card-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
}

.card-body {
  flex: 1 1 auto;
  min-width: 0;
  padding: 14px 16px 16px;
}

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

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

.field-list {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.field-list dt {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.field-list dd {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 14px;
}

.field-list dd:last-child {
  margin-bottom: 0;
}

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

.path-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.path-item:last-child {
  margin-bottom: 0;
}

.path-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
}

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

.path-title {
  margin-bottom: 4px;
  font-size: 16px;
}

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

/* 专题片单 */
.page-layout {
  display: block;
}

.playlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

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

.playlist-media {
  border-radius: 0;
  border-bottom: 1px solid var(--line);
}

.playlist-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.playlist-body {
  flex: 1 1 auto;
  min-width: 0;
  padding: 16px;
}

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

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

.playlist-fields {
  margin: 0 0 12px;
  padding: 10px 12px;
  background-color: var(--page);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.playlist-fields dt {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.playlist-fields dd {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 14px;
}

.playlist-fields dd:last-child {
  margin-bottom: 0;
}

.playlist-link {
  display: inline-block;
  min-height: 44px;
  padding: 10px 16px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.playlist-link:hover,
.playlist-link:focus-visible {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  text-decoration: none;
}

.criteria-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.criteria-item {
  min-width: 0;
  padding: 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand);
  border-radius: var(--radius);
}

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

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

.criteria-steps {
  counter-reset: criteria-counter;
}

.criteria-steps li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
}

.criteria-steps li::before {
  counter-increment: criteria-counter;
  content: counter(criteria-counter);
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  background-color: var(--accent-tint);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: #7a5a10;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

.criteria-steps li:last-child {
  margin-bottom: 0;
}

.relation-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

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

.relation-text {
  color: var(--ink);
}

.relation-aside {
  min-width: 0;
  padding: 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.relation-aside-title {
  margin-bottom: 10px;
  font-size: 16px;
}

.relation-links li {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}

.relation-links li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

/* 角色观察 */
.page-figure {
  margin-bottom: 28px;
  border: 1px solid var(--line);
}

.page-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
}

.page-figure figcaption {
  padding: 8px 12px;
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
}

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

.phenomenon-item {
  min-width: 0;
  padding: 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
}

.phenomenon-item h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

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

.relation-steps {
  counter-reset: relation-counter;
}

.relation-step {
  position: relative;
  padding: 14px 16px 14px 52px;
  margin-bottom: 12px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.relation-step:last-child {
  margin-bottom: 0;
}

.relation-step::before {
  counter-increment: relation-counter;
  content: counter(relation-counter);
  position: absolute;
  left: 16px;
  top: 14px;
  width: 24px;
  height: 24px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 24px;
  text-align: center;
}

.relation-step h3 {
  margin-bottom: 4px;
  font-size: 16px;
}

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

.boundary-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: var(--ink);
}

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

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

/* 阅读说明 */
.page-media {
  margin-top: 18px;
  border: 1px solid var(--line);
}

.page-media img {
  width: 100%;
  aspect-ratio: 21 / 9;
}

.page-media figcaption {
  padding: 8px 12px;
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
}

.field-table tbody th {
  width: 20%;
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.field-table tbody td:last-child {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.field-note {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.path-steps {
  counter-reset: step-counter;
}

.path-step {
  position: relative;
  padding: 16px 18px 16px 56px;
  margin-bottom: 14px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.path-step:last-child {
  margin-bottom: 0;
}

.path-step::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 26px;
  height: 26px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 26px;
  text-align: center;
}

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

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

.path-tip {
  margin-top: 16px;
  padding: 16px 18px;
  background-color: var(--accent-tint);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
}

.path-tip-title {
  margin-bottom: 6px;
  color: #7a5a10;
  font-size: 16px;
}

.path-tip p {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
}

.archive-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.archive-columns .archive-col {
  min-width: 0;
  padding: 18px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.archive-columns .archive-col p {
  color: var(--ink-soft);
  font-size: 14px;
}

.archive-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
}

.archive-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--brand);
  border-radius: 50%;
}

.archive-list li:last-child {
  margin-bottom: 0;
}

.faq-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

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

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

.faq-question {
  position: relative;
  padding: 14px 44px 14px 16px;
  color: var(--brand-deep);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 12px;
  width: 22px;
  height: 22px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 20px;
  text-align: center;
}

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

.faq-question:hover {
  background-color: var(--brand-tint);
}

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

.next-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.next-col {
  min-width: 0;
  padding: 16px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.next-col-title {
  margin-bottom: 6px;
  font-size: 16px;
}

.next-col p {
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

.next-link {
  display: inline-block;
  min-height: 44px;
  padding: 10px 16px;
  background-color: var(--brand-tint);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.next-link:hover,
.next-link:focus-visible {
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  text-decoration: none;
}

/* 404 */
.error-main {
  padding-top: 56px;
  padding-bottom: 72px;
}

.error-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.error-code {
  margin: 0 0 8px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
}

.error-title {
  margin-bottom: 12px;
  font-size: 28px;
}

.error-desc {
  margin: 0 auto 22px;
  max-width: 520px;
  color: var(--ink-soft);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.error-hint {
  padding: 20px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
}

.error-hint-title {
  margin-bottom: 10px;
  font-size: 17px;
}

.error-hint-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.error-hint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

.error-hint-list li:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   responsive — 平板与手机
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .cover-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px var(--gutter);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: block;
    min-height: 44px;
    padding: 11px 8px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .nav-link.is-current {
    box-shadow: inset 3px 0 0 var(--accent);
    padding-left: 14px;
  }

  .site-main {
    padding: 20px var(--gutter) 40px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

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

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

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

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

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

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

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

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

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

  .update-field {
    grid-column: 1 / -1;
    text-align: left;
  }

  .rank-item {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    row-gap: 4px;
  }

  .rank-field {
    grid-column: 2 / -1;
    text-align: left;
  }

  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
}

@media (max-width: 480px) {
  :root {
    --gutter: 16px;
  }

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

  .hero-actions .btn,
  .error-actions .btn {
    width: 100%;
  }

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

  .path-step {
    padding-left: 18px;
    padding-top: 52px;
  }

  .relation-step {
    padding-left: 16px;
    padding-top: 50px;
  }

  .rank-no {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .cover-card {
    transition: none;
  }

  .cover-card:hover {
    transform: none;
  }
}