/* ==========================================================================
   歪歪漫画 fujcw.cn — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base — 变量、重置、排版基础
   -------------------------------------------------------------------------- */
:root {
  --paper: #f7f4ee;
  --ink: #1f3a5f;
  --ink-deep: #16283f;
  --cinnabar: #c0392b;
  --slate: #5b6b7c;
  --line: #dcd6cb;
  --line-strong: #c3bcae;
  --card-bg: #fffdf9;
  --radius: 6px;
  --radius-sm: 4px;
  --wrap: 1120px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  text-rendering: optimizeLegibility;
}

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

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

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

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

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

p {
  margin: 0;
}

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

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

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

figure {
  margin: 0;
}

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

/* --------------------------------------------------------------------------
   layout — 顶部事实条 / 页头 / 主容器 / 页脚骨架
   -------------------------------------------------------------------------- */
.fact-bar {
  background: var(--ink-deep);
  color: #e8e3d9;
  font-size: 13px;
  line-height: 1.6;
}

.fact-bar-text {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 24px;
}

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

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

.brand {
  display: inline-flex;
  align-items: center;
  padding: 8px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand::before {
  content: "";
  width: 8px;
  height: 20px;
  margin-right: 10px;
  background: var(--cinnabar);
  border-radius: 2px;
}

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

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

.nav-link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--cinnabar);
}

.nav-link.is-current {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
  font-weight: 600;
}

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

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink-deep);
  border-radius: 1px;
}

.site-main {
  display: block;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 32px 24px 56px;
}

.home-main {
  padding-top: 28px;
}

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

/* 面包屑 */
.breadcrumb {
  font-size: 14px;
  color: var(--slate);
  margin-bottom: 18px;
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--line-strong);
}

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

/* 内页标题区 */
.page-header {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

.page-description {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 12px;
}

.page-intro,
.page-desc,
.page-lead {
  font-size: 15px;
  color: var(--slate);
  max-width: 780px;
}

/* 页脚 */
.site-footer {
  background: var(--ink-deep);
  color: #d6d1c6;
  margin-top: 40px;
}

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

.footer-brand-name {
  font-size: 18px;
  font-weight: 600;
  color: #f7f4ee;
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #a9a396;
  max-width: 320px;
}

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: #f7f4ee;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

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

.footer-list a {
  font-size: 14px;
  color: #c3bdb1;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(247, 244, 238, 0.14);
}

.footer-copyright,
.footer-co {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px 24px;
  font-size: 13px;
  color: #8f8a80;
}

/* --------------------------------------------------------------------------
   components — 通用模块组件
   -------------------------------------------------------------------------- */
.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-deep);
}

.section-desc,
.section-lead,
.section-note {
  font-size: 14px;
  color: var(--slate);
  margin-top: 8px;
}

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

.sub-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-deep);
}

.sub-desc {
  font-size: 14px;
  color: var(--slate);
  margin-top: 6px;
}

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

.section-more a,
.aside-more a,
.boundary-more a,
.genre-more a {
  color: var(--cinnabar);
  border-bottom: 1px solid transparent;
}

.section-more a:hover,
.aside-more a:hover,
.boundary-more a:hover,
.genre-more a:hover,
.section-more a:focus-visible,
.aside-more a:focus-visible,
.boundary-more a:focus-visible,
.genre-more a:focus-visible {
  border-bottom-color: var(--cinnabar);
}

/* 编号标签 */
.index-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  margin-bottom: 14px;
}

/* 字段口径表 */
.field-table {
  font-size: 14px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-caption,
.field-table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--slate);
  background: #efeae1;
  border-bottom: 1px solid var(--line);
}

.field-table thead th {
  background: #efeae1;
  text-align: left;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.field-table tbody th,
.field-table tbody td {
  padding: 11px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
  color: var(--ink);
}

.field-table tbody th {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-deep);
  white-space: nowrap;
  background: #faf7f1;
}

.field-table tbody tr:last-child th,
.field-table tbody tr:last-child td {
  border-bottom: none;
}

/* 更新行 / 位次行 通用字段 */
.update-date,
.update-genre,
.update-type {
  font-size: 13px;
  color: var(--slate);
}

.update-date {
  font-family: var(--font-mono);
}

.update-type {
  font-family: var(--font-mono);
  color: var(--cinnabar);
}

.rank-no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--cinnabar);
}

.rank-name,
.update-name {
  color: var(--ink-deep);
}

.rank-name:hover,
.update-name:hover,
.rank-name:focus-visible,
.update-name:focus-visible {
  color: var(--cinnabar);
}

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

.rank-reason {
  line-height: 1.6;
}

/* 规则列表（榜单页 / 字段页共用） */
.rule-list {
  margin-top: 12px;
}

.rule-text {
  font-size: 14px;
  color: var(--slate);
  margin-top: 8px;
}

/* 按钮 */
.button {
  display: inline-block;
  padding: 11px 22px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.4;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.button-primary {
  background: var(--cinnabar);
  color: #fffdf9;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #a5311f;
  color: #fffdf9;
}

.button-ghost {
  background: transparent;
  color: var(--ink-deep);
  border-color: var(--line-strong);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

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

/* 首屏档案区 */
.hero-dossier {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

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

.hero-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--slate);
  max-width: 520px;
}

.hero-paths {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-path a {
  display: block;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 44px;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.hero-path a:hover,
.hero-path a:focus-visible {
  border-color: var(--cinnabar);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(31, 58, 95, 0.08);
}

.path-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
}

.path-desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--slate);
}

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

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

.hero-image {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.hero-caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--slate);
  border-top: 1px solid var(--line);
}

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

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

.mini-cover img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.mini-cover figcaption {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--slate);
}

/* 题材方向总览 */
.genre-overview {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

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

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

.genre-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar);
  letter-spacing: 0.08em;
}

.genre-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-deep);
  margin: 8px 0 10px;
}

.genre-trait {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
}

.genre-count {
  margin-top: 12px;
  font-size: 13px;
  color: var(--slate);
  font-family: var(--font-mono);
}

.genre-sample {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

.genre-sample a {
  color: var(--cinnabar);
}

.genre-sample a:hover,
.genre-sample a:focus-visible {
  border-bottom: 1px solid var(--cinnabar);
}

/* 封面条目与最近更新并列区 */
.feed-pair {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.feed-pair-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 36px;
  margin-top: 22px;
}

.cover-wall {
  min-width: 0;
}

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

.cover-card {
  display: flex;
  flex-direction: column;
  padding: 10px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.cover-card:hover,
.cover-card:focus-within {
  border-color: var(--cinnabar);
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(31, 58, 95, 0.09);
}

.cover-link {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

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

.cover-meta {
  font-size: 13px;
  color: var(--slate);
  margin-top: 2px;
}

.cover-card-tall {
  grid-row: span 2;
}

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

.recent-updates {
  min-width: 0;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 20px 18px;
}

.update-list {
  margin-top: 14px;
}

.update-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.update-row:last-child {
  border-bottom: none;
}

/* 人气榜单与专题汇编 */
.board-and-topics {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.board-topics-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 36px;
  margin-top: 22px;
}

.board-column,
.topic-column {
  min-width: 0;
}

.rank-list {
  margin-top: 14px;
}

.rank-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.rank-row:last-child {
  border-bottom: none;
}

.rank-row .rank-reason {
  grid-column: 2 / 4;
  margin-top: 4px;
}

.topic-cards {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

.topic-card {
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
}

.topic-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar);
  letter-spacing: 0.08em;
}

.topic-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin: 6px 0 8px;
}

.topic-summary {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
}

.topic-rel {
  margin-top: 10px;
  font-size: 13px;
  color: var(--slate);
  font-family: var(--font-mono);
}

/* 条目字段与收录范围摘要 */
.field-summary {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.field-summary-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 36px;
  margin-top: 22px;
}

.field-table-wrap,
.boundary-wrap {
  min-width: 0;
}

.field-table-wrap .field-table {
  margin-top: 14px;
}

.boundary-wrap {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.boundary-text {
  margin-top: 12px;
  font-size: 14px;
  color: var(--slate);
  line-height: 1.75;
}

.boundary-list {
  margin-top: 14px;
}

.boundary-item {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cinnabar);
  border-radius: 1px;
}

/* 站内栏目索引 */
.site-index {
  padding: 44px 0 8px;
}

.index-nav {
  margin-top: 20px;
}

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

.index-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 44px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.index-item:hover,
.index-item:focus-within {
  border-color: var(--cinnabar);
  transform: translateY(-2px);
}

.index-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
}

.index-item a:hover,
.index-item a:focus-visible {
  color: var(--cinnabar);
}

.index-note {
  font-size: 13px;
  color: var(--slate);
}

/* --------------------------------------------------------------------------
   pages — 题材分类页
   -------------------------------------------------------------------------- */
.page-layout {
  display: grid;
  grid-template-columns: 1.9fr 1fr;
  gap: 36px;
  align-items: start;
}

.sidebar-left .page-layout {
  grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar-left .genre-groups {
  order: 2;
}

.sidebar-left .genre-filter {
  order: 1;
}

.genre-filter {
  position: sticky;
  top: 84px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.filter-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
}

.filter-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--slate);
  line-height: 1.7;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.filter-btn {
  min-height: 44px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.filter-btn:hover,
.filter-btn:focus-visible {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.filter-btn.is-active {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #fffdf9;
  font-weight: 600;
}

.filter-figure {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

.filter-figure img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.filter-figure figcaption {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--slate);
}

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

.genre-section {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.genre-section:first-child {
  padding-top: 0;
}

.genre-section:last-child {
  border-bottom: none;
}

.genre-head {
  margin-bottom: 16px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.genre-head .genre-name {
  margin: 6px 0 8px;
}

.genre-head .genre-trait {
  max-width: 720px;
}

.genre-head .genre-count {
  margin-top: 8px;
}

.genre-entries {
  display: grid;
  gap: 10px;
}

.entry-row {
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.entry-row:hover,
.entry-row:focus-within {
  border-color: var(--cinnabar);
  transform: translateY(-1px);
}

.entry-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
}

.entry-meta {
  margin-top: 6px;
  font-size: 13px;
  color: var(--slate);
  font-family: var(--font-mono);
}

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

.entry-status {
  color: var(--cinnabar);
}

.field-scope {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.field-scope .field-table {
  margin-top: 20px;
}

/* --------------------------------------------------------------------------
   pages — 更新记录页
   -------------------------------------------------------------------------- */
.archive-section {
  margin-bottom: 40px;
}

.archive-group {
  margin-top: 28px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.archive-group-head {
  margin-bottom: 16px;
}

.archive-group-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.archive-group-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-deep);
  margin: 6px 0 8px;
}

.archive-group-summary {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.75;
  max-width: 820px;
}

.archive-group-media {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.archive-group-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.archive-group-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--slate);
  background: var(--paper);
}

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

.update-rows .update-row {
  grid-template-columns: 96px minmax(0, 1fr) auto auto;
}

.log-rule-section {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.rule-columns {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.rule-item {
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rule-item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

.rule-item-text {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.75;
}

.rule-links {
  margin-top: 22px;
  padding: 16px 18px;
  background: #efeae1;
  border-radius: var(--radius);
}

.rule-links-text {
  font-size: 14px;
  color: var(--ink);
}

.rule-links-text a {
  color: var(--cinnabar);
  margin: 0 2px;
}

.rule-links-text a:hover,
.rule-links-text a:focus-visible {
  border-bottom: 1px solid var(--cinnabar);
}

/* --------------------------------------------------------------------------
   pages — 人气榜单页
   -------------------------------------------------------------------------- */
.page-ranking-board .layout-main {
  min-width: 0;
}

.page-ranking-board .layout-aside {
  min-width: 0;
}

.rank-list-section,
.editor-picks-section {
  margin-bottom: 36px;
}

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

.rank-item {
  display: grid;
  grid-template-columns: 40px 78px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-item .rank-no {
  font-size: 18px;
  padding-top: 2px;
}

.rank-cover {
  width: 78px;
  height: 104px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--paper);
}

.rank-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.rank-body .rank-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.rank-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--slate);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.rank-status {
  color: var(--cinnabar);
}

.rank-body .rank-reason {
  font-family: var(--font-sans);
}

.pick-list {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

.pick-card {
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
}

.pick-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.pick-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin: 6px 0 8px;
}

.pick-desc {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
}

.pick-link {
  margin-top: 10px;
  font-size: 14px;
}

.pick-link a {
  color: var(--cinnabar);
}

.pick-link a:hover,
.pick-link a:focus-visible {
  border-bottom: 1px solid var(--cinnabar);
}

.rank-rule-section {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.rank-rule-section .rule-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
}

.rank-rule-section .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cinnabar);
  border-radius: 1px;
}

.rank-field-section {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.rank-field-section .field-table {
  margin-top: 14px;
}

/* --------------------------------------------------------------------------
   pages — 条目字段与收录说明页
   -------------------------------------------------------------------------- */
.guide-figure {
  margin-bottom: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
}

.guide-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--slate);
  border-top: 1px solid var(--line);
}

.guide-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.guide-section:last-of-type {
  border-bottom: none;
}

.section-field-table .field-table {
  margin-top: 20px;
}

.section-rule .rule-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.section-rule .rule-item {
  padding: 18px;
}

.rule-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 8px;
}

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

.rule-note a {
  color: var(--cinnabar);
  margin: 0 2px;
}

.rule-note a:hover,
.rule-note a:focus-visible {
  border-bottom: 1px solid var(--cinnabar);
}

.section-faq {
  margin-top: 8px;
}

.faq-item {
  margin-top: 12px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  padding: 15px 44px 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cinnabar);
  line-height: 1;
}

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

.faq-question:hover,
.faq-question:focus-visible {
  color: var(--cinnabar);
}

.faq-answer {
  padding: 14px 18px 16px;
  font-size: 14px;
  color: var(--slate);
  line-height: 1.75;
  border-top: 1px solid var(--line);
}

.section-related {
  padding-top: 32px;
}

.related-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.related-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 44px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.related-item:hover,
.related-item:focus-within {
  border-color: var(--cinnabar);
  transform: translateY(-2px);
}

.related-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
}

.related-item a:hover,
.related-item a:focus-visible {
  color: var(--cinnabar);
}

.related-note {
  font-size: 13px;
  color: var(--slate);
}

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

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

.error-code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
  margin-bottom: 12px;
}

.error-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--ink-deep);
  margin-bottom: 14px;
}

.error-desc {
  font-size: 15px;
  color: var(--slate);
  line-height: 1.75;
}

.error-paths {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.error-path {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-path-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-deep);
}

.error-path-link:hover,
.error-path-link:focus-visible {
  color: var(--cinnabar);
}

.error-path-note {
  font-size: 13px;
  color: var(--slate);
}

.error-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   responsive — 900px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0 20px;
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding-bottom: 12px;
  }

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

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

  .nav-link {
    display: block;
    padding: 13px 4px;
    min-height: 44px;
    font-size: 16px;
    border-bottom: none;
  }

  .nav-link.is-current {
    border-bottom: none;
    box-shadow: inset 3px 0 0 var(--cinnabar);
    padding-left: 12px;
  }

  .site-main {
    padding: 24px 20px 44px;
  }

  .hero-dossier {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .hero-paths {
    grid-template-columns: 1fr;
  }

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

  .feed-pair-layout,
  .board-topics-layout,
  .field-summary-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .cover-card-tall {
    grid-row: auto;
  }

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

  .page-layout,
  .sidebar-left .page-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-left .genre-filter {
    order: 1;
    position: static;
  }

  .sidebar-left .genre-groups {
    order: 2;
  }

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

  .rule-columns {
    grid-template-columns: 1fr;
  }

  .section-rule .rule-list {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    padding: 36px 20px 24px;
  }

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

/* --------------------------------------------------------------------------
   responsive — 600px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .fact-bar-text {
    padding: 8px 16px;
    font-size: 12px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .brand {
    font-size: 18px;
  }

  .site-main {
    padding: 20px 16px 40px;
  }

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

  .section-title {
    font-size: 19px;
  }

  .hero-image {
    height: 200px;
  }

  .mini-cover img {
    height: 120px;
  }

  .genre-grid {
    grid-template-columns: 1fr;
  }

  .cover-grid {
    grid-template-columns: 1fr;
  }

  .index-list {
    grid-template-columns: 1fr;
  }

  .update-row,
  .update-rows .update-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .rank-row {
    grid-template-columns: 28px minmax(0, 1fr);
  }

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

  .rank-row .rank-reason {
    grid-column: 2;
  }

  .rank-item {
    grid-template-columns: 30px 64px minmax(0, 1fr);
    gap: 10px;
  }

  .rank-cover {
    width: 64px;
    height: 86px;
  }

  .archive-group {
    padding: 18px 16px;
  }

  .archive-group-media img {
    height: 160px;
  }

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

  .field-table thead th,
  .field-table tbody th,
  .field-table tbody td {
    padding: 9px 12px;
  }

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

  .guide-figure img {
    height: 180px;
  }

  .related-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding: 32px 16px 20px;
  }

  .footer-copyright,
  .footer-co {
    padding: 14px 16px 20px;
  }

  .error-actions {
    flex-direction: column;
  }

  .error-actions .button {
    text-align: center;
  }
}