/* ==========================================================================
   漫画之家 bjzqxc.com — 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base — 变量、重置、排版基础
   ========================================================================== */

:root {
  --c-bg: #ffffff;
  --c-ink: #1f2a24;
  --c-ink-soft: #4a5750;
  --c-ink-mute: #6f7c74;
  --c-moss: #5b7a5a;
  --c-ochre: #a9744f;
  --c-blue: #6e8ca0;
  --c-brick: #b4574a;
  --c-line: #e2e7e1;
  --c-line-soft: #edf0eb;
  --c-surface: #f2f4f1;
  --c-surface-deep: #e8ece5;
  --radius: 6px;
  --radius-sm: 4px;
  --wrap: 1120px;
  --wrap-narrow: 760px;
  --shadow-card: 0 1px 2px rgba(31, 42, 36, 0.06);
  --shadow-lift: 0 4px 14px rgba(31, 42, 36, 0.1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    "WenQuanYi Micro Hei", Arial, sans-serif;
}

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

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

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

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

p {
  margin: 0;
}

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

a {
  color: var(--c-moss);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: var(--c-ochre);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid var(--c-moss);
  outline-offset: 2px;
  border-radius: 2px;
}

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

figure {
  margin: 0;
}

time {
  font-variant-numeric: tabular-nums;
}

button {
  font: inherit;
  color: inherit;
}

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

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
}

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

/* --- 页头 --- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: blur(6px);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--c-ink);
  font-weight: 600;
}

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

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--c-moss);
  box-shadow: inset 0 0 0 4px #ffffff, 0 0 0 1px var(--c-moss);
  flex: 0 0 auto;
}

.brand-text {
  font-size: 1.125rem;
  letter-spacing: 0;
  white-space: nowrap;
}

/* --- 主导航 --- */

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

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

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: var(--c-ink-soft);
  font-size: 0.9375rem;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--c-moss);
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  min-height: 44px;
  padding: 0 12px;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-icon {
  position: relative;
  width: 18px;
  height: 2px;
  background: var(--c-ink);
  flex: 0 0 auto;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--c-ink);
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle-text {
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

/* --- 内页外壳 --- */

.inner-main {
  display: block;
}

.breadcrumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 24px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--c-ink-mute);
}

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

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

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

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

.page-header {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px 24px 0;
}

.page-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--c-ink);
}

.page-description {
  margin-top: 12px;
  max-width: var(--wrap-narrow);
  color: var(--c-ink-soft);
  font-size: 1rem;
}

/* --- 页脚 --- */

.site-footer {
  margin-top: 64px;
  background: var(--c-surface);
  border-top: 1px solid var(--c-line);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 0;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px 28px;
  align-items: start;
}

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

.footer-brand .brand-text {
  display: inline-block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-ink);
}

.footer-slogan {
  margin-top: 10px;
  max-width: 30ch;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-mute);
}

.footer-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: 12px;
}

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

.footer-list a {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
  min-height: 24px;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--c-moss);
}

.footer-copy {
  max-width: var(--wrap);
  margin: 32px auto 0;
  padding: 24px 24px 32px;
  border-top: 1px solid var(--c-line);
  font-size: 0.8125rem;
  color: var(--c-ink-mute);
  line-height: 1.7;
}

/* --- 内页通用布局容器 --- */

.page-layout {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 32px 24px 0;
}

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
}

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

.layout-main,
.content-column,
.page-body {
  min-width: 0;
}

.layout-aside,
.layout-side,
.page-aside,
.topic-nav {
  min-width: 0;
}

/* ==========================================================================
   components — 通用组件
   ========================================================================== */

/* --- 区块标题 --- */

.section {
  padding: 56px 0 0;
}

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

.section-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.section-desc {
  margin-top: 10px;
  max-width: var(--wrap-narrow);
  font-size: 0.9375rem;
  color: var(--c-ink-soft);
}

.section-intro,
.section-lead {
  margin-top: 10px;
  font-size: 0.9375rem;
  color: var(--c-ink-soft);
}

.section-footnote,
.section-more {
  margin-top: 20px;
  font-size: 0.9375rem;
}

.section-footnote a,
.section-more a,
.link-more {
  display: inline-block;
  font-weight: 600;
  color: var(--c-moss);
}

.section-footnote a:hover,
.section-more a:hover,
.link-more:hover,
.section-footnote a:focus-visible,
.section-more a:focus-visible,
.link-more:focus-visible {
  color: var(--c-ochre);
}

/* --- 题材标签与状态点 --- */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  line-height: 1.6;
  white-space: nowrap;
  border: 1px solid currentColor;
  background: #ffffff;
}

.tag-moss {
  color: var(--c-moss);
}

.tag-ochre {
  color: var(--c-ochre);
}

.tag-blue {
  color: var(--c-blue);
}

.tag-brick {
  color: var(--c-brick);
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  flex: 0 0 auto;
}

.dot-moss {
  background: var(--c-moss);
}

.dot-ochre {
  background: var(--c-ochre);
}

.dot-blue {
  background: var(--c-blue);
}

.dot-brick {
  background: var(--c-brick);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--c-ink-mute);
}

.status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}

.status-ongoing {
  color: var(--c-brick);
}

.status-finished {
  color: var(--c-blue);
}

.status-paused {
  color: var(--c-ochre);
}

/* --- 按钮 --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #4c6a4b;
  color: #ffffff;
}

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

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--c-moss);
  color: var(--c-moss);
}

/* --- 页面内目录锚点 --- */

.page-toc {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line-soft);
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-toc-label {
  font-size: 0.8125rem;
  color: var(--c-ink-mute);
  flex: 0 0 auto;
}

.page-toc-list,
.toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.page-toc-list a,
.toc-list a,
.toc-item a {
  display: inline-block;
  min-height: 28px;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.page-toc-list a:hover,
.toc-list a:hover,
.toc-item a:hover,
.page-toc-list a:focus-visible,
.toc-list a:focus-visible,
.toc-item a:focus-visible {
  color: var(--c-moss);
}

.toc-item {
  display: inline-block;
}

/* --- 内页正文区块 --- */

.content-section,
.content-block {
  padding-top: 44px;
}

.content-section:first-child,
.content-block:first-child {
  padding-top: 36px;
}

.content-section > p,
.content-block > p {
  margin-top: 12px;
  color: var(--c-ink-soft);
}

/* --- 侧栏通用 --- */

.aside-title,
.side-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: 12px;
}

.aside-note,
.side-note {
  margin-top: 14px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-ink-mute);
}

.aside-block,
.side-block {
  padding: 18px 0;
  border-top: 1px solid var(--c-line-soft);
}

.aside-block:first-child,
.side-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.aside-text {
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.aside-list,
.side-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.aside-item {
  line-height: 1.7;
}

.aside-link-list,
.side-link-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-link-list a,
.side-link-list a {
  display: inline-block;
  min-height: 28px;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.aside-link-list a:hover,
.side-link-list a:hover,
.aside-link-list a:focus-visible,
.side-link-list a:focus-visible {
  color: var(--c-moss);
}

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

.aside-toc-list a {
  display: inline-block;
  min-height: 28px;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.aside-toc-list a:hover,
.aside-toc-list a:focus-visible {
  color: var(--c-moss);
}

/* --- 图片容器 --- */

.hero-visual,
.cover-media,
.section-media,
.media-figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--c-surface);
}

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

.section-media figcaption,
.media-figure figcaption,
.hero-visual figcaption {
  padding: 10px 12px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-ink-mute);
  background: #ffffff;
  border-top: 1px solid var(--c-line-soft);
}

/* ==========================================================================
   pages — 首页
   ========================================================================== */

/* --- 首屏 --- */

.hero {
  border-bottom: 1px solid var(--c-line-soft);
  background: linear-gradient(180deg, #f7f9f6 0%, #ffffff 100%);
}

.hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 52px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
}

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

.hero-title {
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--c-ink);
}

.hero-lead {
  margin-top: 16px;
  max-width: 34ch;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.hero-tags {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.hero-visual {
  margin: 0;
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-card);
}

.hero-visual img {
  aspect-ratio: 4 / 3;
}

/* --- 题材方向总览 --- */

.topic-grid {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.topic-col {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #ffffff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.topic-col:hover {
  border-color: var(--c-moss);
  box-shadow: var(--shadow-card);
}

.topic-name {
  font-size: 1.0625rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.topic-scope {
  margin-top: 10px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.topic-list {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--c-line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.topic-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.875rem;
}

.topic-list a {
  color: var(--c-ink);
  min-width: 0;
}

.topic-list a:hover,
.topic-list a:focus-visible {
  color: var(--c-moss);
}

.topic-list .meta {
  flex: 0 0 auto;
  font-size: 0.75rem;
  color: var(--c-ink-mute);
}

/* --- 封面墙 --- */

.cover-grid {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px 20px;
}

.cover-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cover-media {
  border: 1px solid var(--c-line);
  transition: box-shadow 0.18s ease, border-color 0.18s ease;
}

.cover-media img {
  aspect-ratio: 3 / 4;
  transition: transform 0.3s ease;
}

.cover-card:hover .cover-media {
  border-color: var(--c-moss);
  box-shadow: var(--shadow-lift);
}

.cover-card:hover .cover-media img {
  transform: scale(1.03);
}

.cover-name {
  font-size: 1rem;
  font-weight: 600;
}

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

.cover-name a:hover,
.cover-name a:focus-visible {
  color: var(--c-moss);
}

.cover-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* --- 最近更新目录 --- */

.update-list {
  max-width: var(--wrap);
  margin: 24px auto 0;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
}

.update-row {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--c-line-soft);
  transition: background-color 0.18s ease;
}

.update-row:hover {
  background: var(--c-surface);
}

.update-date {
  font-size: 0.875rem;
  color: var(--c-ink-mute);
  font-variant-numeric: tabular-nums;
}

.update-name {
  font-size: 0.9375rem;
  color: var(--c-ink);
  min-width: 0;
}

.section-updates .section-more {
  max-width: var(--wrap);
  margin: 20px auto 0;
  padding: 0 24px;
}

/* --- 人气榜单与编辑选题 --- */

.rank-layout {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.rank-main,
.rank-aside {
  min-width: 0;
}

.rank-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
}

.rank-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--c-line-soft);
}

.rank-no {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-blue);
  font-variant-numeric: tabular-nums;
}

.rank-row:nth-child(1) .rank-no,
.rank-row:nth-child(2) .rank-no,
.rank-row:nth-child(3) .rank-no {
  color: var(--c-ochre);
}

.rank-name {
  font-size: 0.9375rem;
  color: var(--c-ink);
  min-width: 0;
}

.topic-cards {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.topic-card {
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-blue);
  border-radius: var(--radius);
  background: #ffffff;
}

.topic-card-title {
  font-size: 1rem;
  font-weight: 600;
}

.topic-card-desc {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* --- 阅读说明摘要与反馈入口 --- */

.readme-layout {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.readme-main,
.readme-aside {
  min-width: 0;
}

.field-summary {
  margin-top: 18px;
  border-top: 1px solid var(--c-line);
}

.field-summary dt {
  margin-top: 14px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.field-summary dd {
  margin: 4px 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.boundary-list {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.boundary-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-ochre);
}

/* --- 站内栏目索引 --- */

.site-index {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-item {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.index-item:hover,
.index-item:focus-visible {
  border-color: var(--c-moss);
  background: var(--c-surface);
  text-decoration: none;
}

.index-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.index-desc {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-ink-mute);
}

/* ==========================================================================
   pages — 题材分类
   ========================================================================== */

.topic-nav {
  position: sticky;
  top: 88px;
  padding-right: 8px;
}

.topic-nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 2px solid var(--c-line);
}

.topic-nav-list a {
  display: inline-block;
  padding: 6px 0 6px 14px;
  margin-left: -2px;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
  min-height: 32px;
}

.topic-nav-list a:hover,
.topic-nav-list a:focus-visible {
  color: var(--c-moss);
  border-left-color: var(--c-moss);
  text-decoration: none;
}

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

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

.divide-name {
  font-size: 1rem;
  font-weight: 600;
}

.divide-item p {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.topic-block {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #ffffff;
  scroll-margin-top: 90px;
}

.topic-block-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.topic-block .topic-name {
  font-size: 1.125rem;
}

.topic-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  color: #ffffff;
  background: var(--c-moss);
}

.topic-badge-daily {
  background: var(--c-moss);
}

.topic-badge-mystery {
  background: var(--c-blue);
}

.topic-badge-battle {
  background: var(--c-brick);
}

.topic-badge-scifi {
  background: var(--c-ochre);
}

.topic-badge-school {
  background: #7c8b6a;
}

.topic-block .topic-scope {
  margin-top: 12px;
}

.topic-picks {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--c-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.topic-pick {
  min-width: 0;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.topic-pick .pick-cover,
.topic-pick img {
  width: 64px;
  height: 86px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line);
}

.pick-info {
  min-width: 0;
}

.pick-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.pick-meta {
  margin-top: 6px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-ink-mute);
}

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

.compare-col {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #ffffff;
}

.compare-name,
.subsection-title {
  font-size: 1rem;
  font-weight: 600;
}

.compare-col > p {
  margin-top: 10px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.compare-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-moss);
}

.cross-examples {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.cross-item {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-blue);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.cross-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.cross-desc {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* ==========================================================================
   pages — 最近更新
   ========================================================================== */

.note-list {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note-item {
  position: relative;
  padding-left: 18px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.note-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-moss);
}

.prose-block {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prose-block p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.update-group {
  margin-top: 26px;
}

.update-group .update-date {
  display: block;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-ink);
}

.update-group .update-list {
  max-width: none;
  margin: 0;
  padding: 0;
}

.update-group .update-row {
  grid-template-columns: 72px minmax(0, 1fr) auto;
  grid-template-areas: "thumb name topic";
  align-items: center;
  gap: 14px;
}

.update-group .update-thumb {
  grid-area: thumb;
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line);
}

.update-group .update-info {
  grid-area: name;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.update-group .update-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.update-group .update-topic {
  font-size: 0.8125rem;
  color: var(--c-ink-mute);
}

.update-group .update-status {
  grid-area: topic;
  justify-self: end;
}

.status-dict {
  margin-top: 18px;
  border-top: 1px solid var(--c-line);
}

.status-entry {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.status-term {
  display: flex;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  flex: 0 0 auto;
}

.dot-ongoing {
  background: var(--c-brick);
}

.dot-finished {
  background: var(--c-blue);
}

.status-desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

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

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

.process-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.process-text {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* ==========================================================================
   pages — 人气榜单
   ========================================================================== */

.basis-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.basis-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-blue);
  border-radius: var(--radius);
  background: #ffffff;
}

.basis-title {
  font-size: 0.9375rem;
  font-weight: 600;
}

.basis-text {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.basis-period {
  margin-top: 26px;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.basis-subtitle {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.basis-period-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
}

.basis-period-list li {
  min-width: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.basis-period-label {
  display: inline-block;
  margin-right: 8px;
  font-weight: 600;
  color: var(--c-ink);
}

.ranking-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
}

.ranking-item {
  display: grid;
  grid-template-columns: 44px 64px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--c-line-soft);
  transition: background-color 0.18s ease;
}

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

.ranking-no {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--c-ink-mute);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.ranking-item:nth-child(1) .ranking-no,
.ranking-item:nth-child(2) .ranking-no,
.ranking-item:nth-child(3) .ranking-no {
  color: var(--c-ochre);
}

.ranking-cover {
  width: 64px;
  height: 86px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line);
}

.ranking-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ranking-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.ranking-meta {
  font-size: 0.8125rem;
  color: var(--c-ink-mute);
}

.ranking-reason {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-ink-soft);
}

.picks-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pick-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #ffffff;
}

.pick-title {
  font-size: 1rem;
  font-weight: 600;
}

.pick-reason {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.pick-link {
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-moss);
}

.log-table {
  width: 100%;
  margin-top: 22px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.log-caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-size: 0.8125rem;
  color: var(--c-ink-mute);
}

.log-table th,
.log-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}

.log-table thead th {
  background: var(--c-surface);
  font-weight: 600;
  color: var(--c-ink);
  white-space: nowrap;
}

.log-table tbody tr:nth-child(even) {
  background: #fafbf9;
}

.side-block-legend .legend-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--c-ink-soft);
}

.tag-topic {
  color: var(--c-moss);
}

.tag-state {
  color: var(--c-brick);
}

.side-block-state .side-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   pages — 阅读说明
   ========================================================================== */

.field-sample {
  margin-top: 20px;
  border: 1px solid var(--c-line);
}

.field-sample img {
  aspect-ratio: 16 / 9;
}

.field-table {
  width: 100%;
  margin-top: 22px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-size: 0.8125rem;
  color: var(--c-ink-mute);
}

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

.field-table thead th {
  background: var(--c-surface);
  font-weight: 600;
  color: var(--c-ink);
  white-space: nowrap;
}

.field-table tbody tr:nth-child(even) {
  background: #fafbf9;
}

.boundary-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

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

.boundary-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.boundary-item p {
  margin-top: 6px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

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

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

.faq-question {
  position: relative;
  padding: 16px 36px 16px 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}

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

.faq-question::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--c-moss);
  border-bottom: 2px solid var(--c-moss);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(-135deg);
}

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

.faq-answer {
  padding: 0 0 18px;
}

.faq-answer p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.feedback-steps {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feedback-step {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
}

.step-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-ink);
}

.feedback-step p {
  margin-top: 8px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.related-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.875rem;
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 72px 24px;
}

.error-block {
  max-width: 640px;
  width: 100%;
  text-align: center;
}

.error-code {
  font-size: 3rem;
  font-weight: 600;
  color: var(--c-moss);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.error-block h1 {
  margin-top: 12px;
  font-size: 1.5rem;
}

.error-text {
  margin-top: 14px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.error-hint-list {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  text-align: left;
}

.error-hint-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  font-size: 0.875rem;
}

.error-path {
  font-weight: 600;
  color: var(--c-ink);
  white-space: nowrap;
}

.error-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

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

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

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

  .layout-shell,
  .layout-shell.sidebar-left {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 32px;
  }

  .layout-shell.sidebar-left {
    grid-template-columns: 220px minmax(0, 1fr);
  }

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

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 40px 24px 44px;
  }

  .hero-lead {
    max-width: none;
  }

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

  .divide-grid,
  .basis-grid,
  .picks-grid,
  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .topic-nav {
    position: static;
    padding-right: 0;
  }

  .topic-nav-list {
    flex-direction: row;
    flex-wrap: wrap;
    border-left: 0;
    gap: 8px;
  }

  .topic-nav-list a {
    padding: 6px 12px;
    margin-left: 0;
    border: 1px solid var(--c-line);
    border-radius: 999px;
  }

  .topic-nav-list a:hover,
  .topic-nav-list a:focus-visible {
    border-color: var(--c-moss);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0 16px;
    min-height: 56px;
  }

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

  .site-nav {
    flex: 1 0 100%;
    margin-left: 0;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 12px;
    border-top: 1px solid var(--c-line);
  }

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

  .nav-link {
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--c-line-soft);
  }

  .nav-link.is-current {
    border-bottom-color: var(--c-moss);
  }

  .breadcrumb,
  .page-header,
  .page-layout,
  .section-head,
  .topic-grid,
  .cover-grid,
  .update-list,
  .rank-layout,
  .readme-layout,
  .site-index,
  .footer-inner,
  .footer-copy,
  .section-updates .section-more {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .section {
    padding-top: 40px;
  }

  .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
  }

  .topic-grid,
  .site-index,
  .divide-grid,
  .basis-grid,
  .picks-grid,
  .cross-examples,
  .compare-grid,
  .feedback-steps,
  .error-hint-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

  .update-row {
    grid-template-columns: 96px minmax(0, 1fr);
    grid-template-areas:
      "date name"
      "date meta";
    row-gap: 4px;
  }

  .update-row .update-date {
    grid-area: date;
    align-self: start;
  }

  .update-row .update-name {
    grid-area: name;
  }

  .update-row .tag {
    grid-area: meta;
    justify-self: start;
  }

  .update-row .status {
    grid-area: meta;
    justify-self: end;
  }

  .update-group .update-row {
    grid-template-columns: 64px minmax(0, 1fr);
    grid-template-areas:
      "thumb name"
      "thumb topic";
    row-gap: 4px;
  }

  .update-group .update-thumb {
    width: 64px;
    height: 64px;
  }

  .update-group .update-status {
    justify-self: start;
  }

  .ranking-item {
    grid-template-columns: 32px 56px minmax(0, 1fr);
    gap: 12px;
  }

  .ranking-cover {
    width: 56px;
    height: 76px;
  }

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

  .rank-row {
    grid-template-columns: 32px minmax(0, 1fr);
    grid-template-areas:
      "no name"
      "no tag";
    row-gap: 4px;
  }

  .rank-row .rank-no {
    grid-area: no;
    align-self: start;
  }

  .rank-row .rank-name {
    grid-area: name;
  }

  .rank-row .tag {
    grid-area: tag;
    justify-self: start;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .footer-slogan {
    max-width: none;
  }

  .site-footer {
    margin-top: 48px;
  }

  .field-table,
  .log-table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }

  .field-table thead th,
  .log-table thead th {
    white-space: normal;
  }

  .error-main {
    padding: 48px 16px;
  }
}

@media (max-width: 420px) {
  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 12px;
  }

  .topic-pick {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .topic-pick .pick-cover,
  .topic-pick img {
    width: 56px;
    height: 76px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

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