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

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --paper: #f6f2e8;
  --ink: #1f3a34;
  --brick: #b8452f;
  --muted: #8a8577;
  --card: #ffffff;
  --line: #d9d2c2;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --mono: "SFMono-Regular", "Consolas", "Menlo", monospace;
  --wrap: 1120px;
}

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-align: left;
}

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

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

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

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

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.35;
  margin: 0 0 0.6em;
  font-weight: 700;
}

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

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

/* --------------------------------------------------------------------------
   layout — 全站骨架
   -------------------------------------------------------------------------- */

.site-factbar {
  margin: 0;
  padding: 8px 24px;
  background-color: var(--ink);
  color: #ece6d8;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  text-align: center;
}

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

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--ink);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background-color: var(--ink);
  border: 2px solid var(--brick);
  display: inline-block;
  flex: 0 0 auto;
}

.brand-text {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav {
  margin-left: auto;
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  align-items: center;
  justify-content: flex-end;
}

.nav-link {
  display: inline-block;
  padding: 8px 2px;
  font-size: 15px;
  font-weight: 500;
  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(--brick);
  border-bottom-color: var(--brick);
}

.nav-link.is-current {
  color: var(--brick);
  font-weight: 700;
  border-bottom-color: var(--brick);
}

.nav-note {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  line-height: 1.5;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  margin-left: auto;
  background-color: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--ink);
}

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

.inner-main {
  padding-top: 18px;
}

.site-footer {
  background-color: var(--ink);
  color: #e6e0d2;
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 26px;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 8px;
  letter-spacing: 0.04em;
}

.footer-desc {
  max-width: 720px;
  margin: 0 0 26px;
  font-size: 14px;
  line-height: 1.8;
  color: #cfc8b8;
}

.footer-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(217, 210, 194, 0.25);
}

.footer-group-title {
  font-size: 15px;
  margin: 0 0 10px;
  font-family: var(--serif);
}

.footer-group-link {
  color: #ffffff;
  border-bottom: 1px solid rgba(184, 69, 47, 0.7);
  padding-bottom: 2px;
}

.footer-group-link:hover,
.footer-group-link:focus-visible {
  color: #f0b8a8;
  border-bottom-color: #f0b8a8;
}

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

.footer-link {
  color: #cfc8b8;
  font-size: 14px;
  line-height: 1.6;
}

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

.footer-copy {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(217, 210, 194, 0.25);
  font-size: 13px;
  color: #b3ac9c;
}

/* --------------------------------------------------------------------------
   components — 通用区块
   -------------------------------------------------------------------------- */

.section {
  padding: 44px 0 8px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

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

.section-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brick);
  letter-spacing: 0.14em;
  margin: 0 0 6px;
  text-transform: uppercase;
}

.section-title {
  font-size: 24px;
  margin: 0 0 8px;
}

.section-desc,
.section-note {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  max-width: 760px;
}

.section-note a,
.inline-link {
  color: var(--brick);
  border-bottom: 1px solid rgba(184, 69, 47, 0.45);
}

.section-note a:hover,
.inline-link:hover,
.section-note a:focus-visible,
.inline-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.section-more {
  margin: 22px 0 0;
}

.more-link {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.more-link:hover,
.more-link:focus-visible {
  background-color: var(--ink);
  color: #ffffff;
}

/* 面包屑 */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  padding: 6px 0 0;
}

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

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

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

.breadcrumb-current {
  color: var(--ink);
  font-weight: 500;
}

/* 内页标题区 */

.page-header {
  padding: 18px 0 26px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}

.page-description {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brick);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-title {
  font-size: 34px;
  margin: 0 0 12px;
}

.page-lead {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
  max-width: 820px;
}

.page-lead a {
  color: var(--brick);
  border-bottom: 1px solid rgba(184, 69, 47, 0.45);
}

.page-lead a:hover,
.page-lead a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* 封面卡（首页封面墙 / 题材页筛选墙） */

.cover-card {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.cover-card:hover,
.cover-card:focus-within {
  border-color: var(--ink);
  transform: translateY(-3px);
}

.cover-media,
.cover-figure {
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #ece6d8;
}

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

.cover-name,
.cover-title {
  font-size: 17px;
  margin: 12px 14px 6px;
}

.cover-tag {
  margin: 0 14px 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brick);
  letter-spacing: 0.06em;
}

.cover-field {
  margin: auto 14px 14px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--muted);
}

.cover-fields {
  margin: auto 14px 14px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  font-size: 13px;
}

.cover-fields dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.cover-fields dd {
  margin: 0;
  color: var(--ink);
}

/* 通用字段定义列表 */

.field-list {
  margin: 0;
}

.field-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brick);
  margin: 14px 0 2px;
}

.field-desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.field-value {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.field-value a {
  color: var(--brick);
  border-bottom: 1px solid rgba(184, 69, 47, 0.45);
}

.field-value a:hover,
.field-value a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* 交叉入口 */

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

.cross-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cross-item {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

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

.cross-link {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.cross-name {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.cross-desc {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

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

.hero {
  padding: 40px 0 10px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.hero-issue {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--brick);
  margin: 0 0 10px;
}

.hero-title {
  font-size: 38px;
  margin: 0 0 14px;
  line-height: 1.28;
}

.hero-desc {
  font-size: 16px;
  color: var(--muted);
  margin: 0 0 20px;
  max-width: 640px;
}

.hero-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-path-link {
  display: inline-block;
  padding: 10px 18px;
  min-height: 44px;
  line-height: 24px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  background-color: var(--card);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.hero-path-link:hover,
.hero-path-link:focus-visible {
  background-color: var(--ink);
  color: #ffffff;
}

.hero-index {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
}

.hero-index-title {
  font-size: 15px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  letter-spacing: 0.1em;
  color: var(--brick);
}

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

.hero-index-link {
  display: block;
  font-size: 15px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}

.hero-index-link:hover,
.hero-index-link:focus-visible {
  color: var(--brick);
}

.hero-figure {
  margin: 30px 0 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.hero-caption {
  padding: 10px 16px;
  background-color: var(--card);
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

/* 首页题材方向总览 */

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

.genre-col {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.genre-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brick);
  letter-spacing: 0.14em;
  margin: 0 0 8px;
}

.genre-name {
  font-size: 18px;
  margin: 0 0 8px;
}

.genre-trait {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 14px;
  line-height: 1.7;
}

.genre-samples {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.genre-sample-link {
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.genre-sample-link:hover,
.genre-sample-link:focus-visible {
  color: var(--brick);
  border-bottom-color: var(--brick);
}

/* 首页封面墙（三行不等高） */

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

.section-wall .cover-card:nth-child(3n + 1) .cover-media {
  aspect-ratio: 3 / 4;
}

.section-wall .cover-card:nth-child(3n + 2) .cover-media {
  aspect-ratio: 4 / 5;
}

.section-wall .cover-card:nth-child(3n + 3) .cover-media {
  aspect-ratio: 1 / 1;
}

/* 首页更新记录 */

.update-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.update-group {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
}

.update-date {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--brick);
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.update-rows {
  display: flex;
  flex-direction: column;
}

.update-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr) minmax(0, 0.8fr);
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

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

.update-item,
.update-name {
  font-weight: 500;
  color: var(--ink);
}

.update-genre {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brick);
}

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

/* 首页人气榜单速览 */

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  counter-reset: rank;
}

.rank-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 14px;
  align-items: center;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 18px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.rank-row:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.rank-num {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--brick);
  text-align: center;
}

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

.rank-note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

/* 首页字段与边界摘要 */

.fields-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.fields-col {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-width: 0;
}

.fields-subtitle {
  font-size: 17px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.fields-more {
  margin: 18px 0 0;
}

/* 首页站内栏目索引 */

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

.index-col {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

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

.index-col-title {
  font-size: 16px;
  margin: 0 0 8px;
}

.index-col-link {
  color: var(--ink);
}

.index-col-link:hover,
.index-col-link:focus-visible {
  color: var(--brick);
}

.index-col-desc {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

.index-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brick);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 6px;
}

/* --------------------------------------------------------------------------
   pages — 题材分类
   -------------------------------------------------------------------------- */

.genre-overview {
  margin-bottom: 44px;
}

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

.genre-card {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.genre-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brick);
  letter-spacing: 0.14em;
  margin: 0 0 8px;
}

.genre-desc {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 10px;
  line-height: 1.7;
}

.genre-fit {
  font-size: 13px;
  color: var(--ink);
  background-color: #f0ece0;
  border-left: 3px solid var(--brick);
  padding: 8px 10px;
  margin: 0 0 14px;
  line-height: 1.65;
}

.genre-filter {
  margin-bottom: 44px;
}

.tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.tag-chip {
  padding: 9px 18px;
  min-height: 44px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.tag-chip:hover,
.tag-chip:focus-visible {
  border-color: var(--ink);
}

.tag-chip.is-active {
  background-color: var(--ink);
  border-color: var(--ink);
  color: #ffffff;
}

.genre-filter .cover-wall {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.filter-footnote {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.genre-fields {
  margin-bottom: 20px;
}

.fields-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.fields-col-title {
  font-size: 17px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.fields-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brick);
  padding: 8px 12px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
}

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

.fields-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
  padding: 8px 12px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* --------------------------------------------------------------------------
   pages — 最近更新
   -------------------------------------------------------------------------- */

.updates-figure {
  margin: 0 0 36px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.updates-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.updates-figure-caption {
  padding: 10px 16px;
  background-color: var(--card);
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.updates-list-section {
  margin-bottom: 44px;
}

.update-day {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 16px;
}

.update-day-title {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--brick);
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.update-day .update-row {
  grid-template-columns: 110px minmax(0, 1.3fr) minmax(0, 0.8fr) minmax(0, 0.9fr);
}

.update-day .update-name {
  font-weight: 500;
  color: var(--ink);
}

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

.updates-list-foot {
  margin: 20px 0 0;
  font-size: 14px;
}

.updates-list-foot a {
  color: var(--brick);
  border-bottom: 1px solid rgba(184, 69, 47, 0.45);
}

.updates-list-foot a:hover,
.updates-list-foot a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.updates-meta-section {
  margin-bottom: 44px;
}

.updates-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.updates-meta-col {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-width: 0;
}

.subsection-title {
  font-size: 17px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.field-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

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

.field-item .field-name {
  margin: 0;
}

.field-item .field-desc {
  margin: 0;
}

.updates-cross-section {
  margin-bottom: 20px;
}

.meta-text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   pages — 人气榜单
   -------------------------------------------------------------------------- */

.ranking-hero {
  margin: 0 0 36px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.ranking-hero img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.ranking-hero-caption {
  padding: 10px 16px;
  background-color: var(--card);
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.ranking-list-section {
  margin-bottom: 44px;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ranking-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 20px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

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

.rank-number {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--brick);
  text-align: center;
  line-height: 1.4;
}

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

.ranking-name {
  font-size: 17px;
  margin: 0 0 6px;
}

.ranking-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
}

.tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brick);
  background-color: #f0ece0;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 8px;
}

.ranking-note {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.ranking-summary-section {
  margin-bottom: 44px;
}

.ranking-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.summary-column {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-width: 0;
}

.summary-subtitle {
  font-size: 17px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.summary-list li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
}

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

.ranking-method-section {
  margin-bottom: 44px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.ranking-method-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 820px;
}

.ranking-method-fields {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 4px 16px;
}

.ranking-method-fields .field-name {
  margin: 6px 0;
}

.ranking-cross-section {
  margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   pages — 阅读说明
   -------------------------------------------------------------------------- */

.guide-section {
  margin-bottom: 44px;
}

.guide-section .section-intro {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 820px;
  margin: 0 0 20px;
}

.field-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 24px;
  align-items: start;
}

.field-names,
.field-meanings {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-width: 0;
}

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

.field-name-item {
  padding: 9px 12px;
  background-color: #f0ece0;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.field-code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brick);
  letter-spacing: 0.04em;
}

.field-def-list {
  margin: 0;
}

.field-def-term {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brick);
  margin: 14px 0 2px;
}

.field-def-term:first-child {
  margin-top: 0;
}

.field-def-desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.guide-figure {
  margin-bottom: 44px;
}

.guide-media {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.guide-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.guide-media-caption {
  padding: 10px 16px;
  background-color: var(--card);
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

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

.rule-column {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-width: 0;
}

.rule-text {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.boundary-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.boundary-col {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-width: 0;
}

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

.boundary-item {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  padding-left: 18px;
  position: relative;
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--brick);
  border-radius: 1px;
}

.feedback-text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin: 0 0 14px;
}

.feedback-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: feedback;
}

.feedback-step {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  padding-left: 30px;
  position: relative;
  counter-increment: feedback;
}

.feedback-step::before {
  content: counter(feedback);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: #ffffff;
  background-color: var(--brick);
  border-radius: 4px;
}

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

.faq-item {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
}

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

.faq-question {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

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

.faq-question::after {
  content: "+";
  font-family: var(--mono);
  font-size: 18px;
  color: var(--brick);
  flex: 0 0 auto;
}

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

.faq-answer {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

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

.related-item {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

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

.related-link {
  display: block;
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 500;
}

.related-link:hover,
.related-link:focus-visible {
  color: var(--brick);
}

/* --------------------------------------------------------------------------
   pages — 404
   -------------------------------------------------------------------------- */

.error-main {
  padding-top: 40px;
}

.error-panel {
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 40px 32px;
  max-width: 720px;
}

.error-code {
  font-family: var(--mono);
  font-size: 44px;
  font-weight: 700;
  color: var(--brick);
  letter-spacing: 0.08em;
  margin: 0 0 8px;
  line-height: 1;
}

.error-panel h1 {
  font-size: 28px;
  margin: 0 0 12px;
}

.error-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin: 0 0 24px;
}

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

.btn {
  display: inline-block;
  padding: 12px 22px;
  min-height: 44px;
  line-height: 20px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--ink);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--brick);
  border-color: var(--brick);
  color: #ffffff;
}

.btn-ghost {
  background-color: transparent;
  color: var(--ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--ink);
  color: #ffffff;
}

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

.error-routes h2 {
  font-size: 20px;
  margin: 0 0 14px;
}

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

.route-link {
  display: block;
  padding: 16px 18px;
  background-color: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.route-link:hover,
.route-link:focus-visible {
  border-color: var(--ink);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1000px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 26px;
  }

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

  .cover-wall,
  .genre-filter .cover-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 900px) {
  .header-inner {
    padding: 12px 20px;
    flex-wrap: nowrap;
    align-items: center;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 10px 24px rgba(31, 58, 52, 0.12);
    padding: 8px 20px 16px;
    margin-left: 0;
    flex: 0 0 auto;
    min-width: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    justify-content: flex-start;
  }

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

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

  .nav-link {
    display: block;
    padding: 14px 4px;
    min-height: 48px;
    line-height: 20px;
    border-bottom: none;
  }

  .nav-link.is-current {
    border-bottom: none;
  }

  .nav-note {
    text-align: left;
    margin-top: 10px;
  }

  .site-main {
    padding: 0 20px 44px;
  }

  .inner-main {
    padding-top: 14px;
  }

  .hero {
    padding: 28px 0 6px;
  }

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

  .hero-title {
    font-size: 30px;
  }

  .fields-columns,
  .fields-layout,
  .updates-meta-grid,
  .ranking-summary-grid,
  .boundary-layout,
  .field-layout {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .page-title {
    font-size: 30px;
  }

  .update-day .update-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 6px 12px;
  }

  .update-day .update-date {
    grid-column: 1 / -1;
  }

  .ranking-method-fields {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}

@media (max-width: 600px) {
  body.site-body {
    font-size: 15px;
  }

  .site-factbar {
    padding: 8px 16px;
    font-size: 12px;
    text-align: left;
  }

  .header-inner {
    padding: 10px 16px;
    gap: 12px;
  }

  .brand-text {
    font-size: 19px;
  }

  .site-nav {
    padding: 8px 16px 14px;
  }

  .site-main {
    padding: 0 16px 36px;
  }

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

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

  .hero-paths {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-path-link {
    text-align: center;
  }

  .section {
    padding: 32px 0 6px;
    margin-top: 28px;
  }

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

  .genre-columns,
  .genre-grid,
  .cover-wall,
  .genre-filter .cover-wall,
  .index-columns,
  .rule-columns,
  .cross-links,
  .cross-list,
  .related-list,
  .route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .section-wall .cover-card .cover-media,
  .section-wall .cover-card:nth-child(3n + 1) .cover-media,
  .section-wall .cover-card:nth-child(3n + 2) .cover-media,
  .section-wall .cover-card:nth-child(3n + 3) .cover-media {
    aspect-ratio: 3 / 4;
  }

  .cover-name,
  .cover-title {
    font-size: 15px;
    margin: 10px 10px 4px;
  }

  .cover-tag {
    margin: 0 10px 6px;
  }

  .cover-field,
  .cover-fields {
    margin: auto 10px 10px;
    font-size: 12px;
  }

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

  .rank-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 8px 12px;
    padding: 12px 14px;
  }

  .rank-note {
    grid-column: 2 / 3;
  }

  .ranking-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 16px;
  }

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

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

  .ranking-method-fields {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .ranking-method-fields .field-name {
    margin: 10px 0 0;
  }

  .footer-inner {
    padding: 30px 16px 22px;
  }

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

  .error-panel {
    padding: 28px 20px;
  }

  .error-code {
    font-size: 36px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }
}