/* =========================================================
   漫蛙漫画 · 全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================= */

/* ---------------------------------------------------------
   1. base — 变量、重置、排版基础
   --------------------------------------------------------- */
:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-cover-base: #eceae4;
  --color-text: #1c1c1a;
  --color-text-muted: #5f5f58;
  --color-line: #dcdcd4;
  --color-accent: #2f5d50;
  --color-accent-soft: #eef2f0;
  --color-rank: #a8503c;
  --color-rank-soft: #f6ede9;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-soft: 0 1px 2px rgba(28, 28, 26, 0.05);
  --shadow-card: 0 6px 18px rgba(28, 28, 26, 0.07);
  --container: 1160px;
  --gutter: 24px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    monospace;
}

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

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0;
  line-height: 1.35;
}

p {
  margin: 0;
}

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

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

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

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

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

figure {
  margin: 0;
}

dl,
dd,
dt {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

/* ---------------------------------------------------------
   2. layout — 骨架：容器、页头、主导航、主区、页脚
   --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

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

/* 顶部事实条（首页 / 阅读说明页共用外观） */
.fact-bar,
.site-factbar {
  background-color: var(--color-text);
  color: #e7e7e2;
  font-size: 13px;
  line-height: 1.6;
}

.fact-bar__inner,
.site-factbar__inner {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.fact-bar__text,
.site-factbar__text {
  margin: 0;
  color: #d8d8d2;
}

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

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 66px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

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

.site-brand__mark {
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-surface);
  flex: 0 0 auto;
}

.site-brand__name {
  white-space: nowrap;
}

/* 主导航 */
.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-list__item {
  display: block;
}

.nav-link {
  display: inline-block;
  padding: 6px 0;
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  text-decoration: none;
  border-bottom-color: var(--color-line);
}

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

/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
}

/* 主区 */
.site-main {
  flex: 1 0 auto;
  display: block;
  padding-bottom: 72px;
}

.home-main {
  padding-bottom: 0;
}

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: var(--container);
  margin: 0 auto 18px;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

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

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

/* 页面标题区（内页统一） */
.page-header {
  max-width: var(--container);
  margin: 0 auto 34px;
  padding: 0 var(--gutter);
}

.page-header__inner {
  display: block;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-description,
.page-summary {
  max-width: 780px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* 页脚 */
.site-footer {
  flex: 0 0 auto;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
  padding: 48px 0 26px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
}

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

.footer-col__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

.footer-brand {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.footer-brand__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links__item {
  display: block;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-meta__text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 12px;
  color: var(--color-text-muted);
  padding-top: 6px;
  border-top: 1px solid var(--color-line);
}

/* 内页通用双栏布局：主内容在前，aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.page-layout__main {
  min-width: 0;
}

.page-layout__aside {
  min-width: 0;
}

/* 阅读说明页：侧栏在左 */
.layout-shell.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr);
}

.guide-toc {
  position: sticky;
  top: 92px;
  align-self: start;
}

/* ---------------------------------------------------------
   3. components — 通用组件
   --------------------------------------------------------- */
.link-more {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.link-more::after {
  content: " →";
  font-weight: 400;
}

.link-more:hover,
.link-more:focus-visible {
  color: var(--color-text);
  text-decoration: none;
  border-bottom-color: var(--color-text);
}

/* 区块标题 */
.section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 26px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.section-desc,
.section-intro {
  max-width: 760px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

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

.section-foot {
  margin-top: 22px;
  font-size: 14px;
}

/* 通用图片容器 */
.content-media,
.genre-works__media,
.record-figure,
.guide-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background-color: var(--color-cover-base);
}

.content-media img,
.genre-works__media img,
.record-figure img,
.guide-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--color-cover-base);
}

.content-media figcaption,
.genre-works__media figcaption,
.record-figure__caption,
.guide-figure__caption,
.hero__caption,
.media-caption {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
}

/* 状态标签 */
.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  white-space: nowrap;
}

.tag--ongoing {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.tag--finished {
  background-color: var(--color-rank-soft);
  color: var(--color-rank);
}

.tag--genre {
  background-color: #f0f0ec;
  color: var(--color-text-muted);
}

.tag--chapter {
  background-color: #f0f0ec;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------
   4. pages — 首页
   --------------------------------------------------------- */
/* 首屏 */
.hero {
  padding: 44px 0 8px;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 44px;
  align-items: start;
}

.hero__intro {
  min-width: 0;
}

.hero__title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.32;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero__lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.hero__slogan {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
  margin-bottom: 24px;
}

.hero__jump {
  border-top: 1px solid var(--color-line);
  padding-top: 18px;
}

.hero__jump-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.hero__jump-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
}

.hero__jump-item {
  min-width: 0;
}

.hero__jump-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
  padding: 4px 0;
}

.hero__jump-link:hover,
.hero__jump-link:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.hero__visual {
  min-width: 0;
}

.hero__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background-color: var(--color-cover-base);
}

.hero__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background-color: var(--color-cover-base);
}

.hero__updates {
  margin-top: 20px;
  padding: 18px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.hero__updates-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.hero__updates-item {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-line);
}

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

.hero__updates-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.hero__updates-name {
  font-weight: 600;
  color: var(--color-text);
}

.hero__updates-status {
  font-size: 12px;
  color: var(--color-accent);
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-soft);
}

.content-media-primary {
  margin-top: 44px;
}

/* 题材分类总览 */
.section-genres .genre-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.genre-row {
  display: grid;
  grid-template-columns: 52px 140px minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--color-line);
  transition: background-color 0.18s ease;
}

.genre-row:hover {
  background-color: var(--color-surface);
}

.genre-row__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.genre-row__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

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

.genre-row__pick {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* 最近更新记录 */
.update-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.update-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1.5fr) 110px 110px 88px;
  gap: 16px;
  align-items: baseline;
  padding: 13px 4px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
}

.update-item:hover {
  background-color: var(--color-surface);
}

.update-item__date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.update-item__name {
  font-weight: 600;
  color: var(--color-text);
}

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

.update-item__chapter {
  font-size: 13px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.update-item__state {
  justify-self: start;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  white-space: nowrap;
}

/* 人气榜单与编辑推荐 */
.rankings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

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

.rankings-main__title,
.rankings-aside__title,
.guide-aside__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

.rank-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.rank-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 4px;
  border-bottom: 1px solid var(--color-line);
}

.rank-item__no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-rank);
}

.rank-item__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.rank-item__genre {
  display: inline-block;
  margin-left: 10px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.rank-item__reason {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.rankings-aside {
  min-width: 0;
  padding: 22px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

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

/* 阅读说明摘要 */
.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

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

.guide-fields {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.guide-fields__term {
  padding: 12px 4px 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.guide-fields__desc {
  padding: 0 4px 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-line);
}

.guide-aside {
  min-width: 0;
  padding: 22px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

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

/* 站内栏目索引 */
.column-index {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}

.column-index__item {
  min-width: 0;
}

.column-index__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.column-index__title a {
  color: var(--color-text);
  text-decoration: none;
}

.column-index__title a:hover,
.column-index__title a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.column-index__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------
   5. pages — 题材分类
   --------------------------------------------------------- */
.genre-notes {
  margin-bottom: 48px;
}

.genre-note-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.genre-note {
  padding: 16px 4px;
  border-bottom: 1px solid var(--color-line);
}

.genre-note__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.genre-note__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.genre-note__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.genre-note__scope {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.genre-note__how {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
  padding-left: 12px;
  border-left: 2px solid var(--color-line);
}

.genre-works {
  margin-bottom: 48px;
}

.genre-works__media {
  margin-bottom: 24px;
}

.work-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.work-item {
  padding: 14px 4px;
  border-bottom: 1px solid var(--color-line);
}

.work-item:hover {
  background-color: var(--color-surface);
}

.work-item__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.work-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.work-item__genre,
.work-item__status,
.work-item__chapter {
  display: inline-block;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  background-color: #f0f0ec;
  color: var(--color-text-muted);
}

.work-item__status {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.work-item__chapter {
  font-variant-numeric: tabular-nums;
}

.work-item__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.status-note {
  padding: 26px 28px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.status-note__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.status-note__col {
  min-width: 0;
}

.status-note__subtitle {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.status-note__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------
   6. pages — 最近更新
   --------------------------------------------------------- */
.updates-layout {
  grid-template-columns: 260px minmax(0, 1fr);
}

.updates-sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: 22px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.sidebar-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.year-index {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.year-index__item {
  display: block;
}

.year-index__link {
  display: block;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
}

.year-index__link:hover,
.year-index__link:focus-visible {
  color: var(--color-text);
  background-color: var(--color-bg);
  border-color: var(--color-line);
  text-decoration: none;
}

.year-index__link.is-active {
  color: var(--color-text);
  font-weight: 700;
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
}

.sidebar-hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
}

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

.updates-months {
  margin-bottom: 48px;
}

.month-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.month-item {
  display: grid;
  grid-template-columns: 96px 130px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 12px 4px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
}

.month-item__label {
  font-weight: 700;
  color: var(--color-text);
}

.month-item__count {
  font-size: 13px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.month-item__lead {
  font-size: 13px;
  color: var(--color-text-muted);
}

.updates-records {
  margin-bottom: 48px;
}

.record-figure {
  margin-bottom: 24px;
}

.record-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.record-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1.5fr) 100px 84px 100px;
  gap: 14px;
  align-items: baseline;
  padding: 12px 4px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
}

.record-item:hover {
  background-color: var(--color-surface);
}

.record-item__date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.record-item__name {
  font-weight: 600;
  color: var(--color-text);
}

.record-item__genre {
  font-size: 13px;
  color: var(--color-text-muted);
}

.record-item__status {
  justify-self: start;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.record-item__status--serial {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

.record-item__status--done {
  background-color: var(--color-rank-soft);
  color: var(--color-rank);
}

.record-item__chapter {
  font-size: 13px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.updates-archive {
  margin-bottom: 48px;
}

.archive-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.archive-item {
  display: grid;
  grid-template-columns: 130px 170px minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
}

.archive-item__year {
  font-weight: 700;
  color: var(--color-text);
}

.archive-item__count {
  font-size: 13px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.archive-item__genre {
  font-size: 13px;
  color: var(--color-text-muted);
}

.updates-path {
  padding: 26px 28px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

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

.path-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-rank);
  margin-bottom: 6px;
}

.path-step__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------
   7. pages — 人气榜单
   --------------------------------------------------------- */
.rank-items {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.rank-items .rank-item {
  display: grid;
  grid-template-columns: 46px 96px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 16px 4px;
  border-bottom: 1px solid var(--color-line);
}

.rank-items .rank-item__no {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-rank);
  line-height: 1.4;
}

.rank-item__cover {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: var(--color-cover-base);
}

.rank-item__cover img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: var(--color-cover-base);
}

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

.rank-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.page-rankings .rank-item__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-rankings .rank-item__reason {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.aside-block {
  padding: 22px 24px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  margin-bottom: 22px;
}

.aside-block:last-child {
  margin-bottom: 0;
}

.aside-block__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.aside-block__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.aside-block__text:last-child {
  margin-bottom: 0;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.aside-links__item {
  display: block;
}

.aside-links__item a {
  font-size: 14px;
  color: var(--color-accent);
  text-decoration: none;
}

.aside-links__item a:hover,
.aside-links__item a:focus-visible {
  color: var(--color-text);
  text-decoration: underline;
}

/* ---------------------------------------------------------
   8. pages — 阅读说明
   --------------------------------------------------------- */
.guide-toc__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.guide-toc__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--color-line);
}

.guide-toc__item {
  display: block;
}

.guide-toc__item a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
}

.guide-toc__item a:hover,
.guide-toc__item a:focus-visible {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  text-decoration: none;
}

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

.guide-section {
  margin-bottom: 48px;
  scroll-margin-top: 92px;
}

.guide-section:last-child {
  margin-bottom: 0;
}

.section-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

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

.field-list,
.feedback-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.field-list__row,
.feedback-list__row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--color-line);
}

.field-list__name,
.feedback-list__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

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

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-bottom: 24px;
}

.status-card {
  min-width: 0;
  padding: 20px 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
}

.status-card--ongoing {
  border-top: 3px solid var(--color-accent);
}

.status-card--finished {
  border-top: 3px solid var(--color-rank);
}

.status-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.status-card__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.status-card__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-card__point {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.status-card__point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-line);
}

.status-card--ongoing .status-card__point::before {
  background-color: var(--color-accent);
}

.status-card--finished .status-card__point::before {
  background-color: var(--color-rank);
}

.usage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-bottom: 20px;
}

.usage-card {
  min-width: 0;
  padding: 20px 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.usage-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.usage-card__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.usage-card__link {
  font-size: 14px;
  font-weight: 600;
}

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

.usage-steps__item {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-muted);
  padding-left: 14px;
  border-left: 2px solid var(--color-line);
}

.guide-note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-muted);
  padding: 12px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.guide-section--related {
  padding-top: 8px;
}

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

.related-links__item {
  min-width: 0;
}

.related-links__item a {
  display: block;
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  text-decoration: none;
}

.related-links__item a:hover,
.related-links__item a:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

.guide-progress {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  font-size: 13px;
  color: var(--color-text-muted);
}

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

.error-panel {
  max-width: 640px;
  padding: 36px 32px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.error-panel__code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-rank);
  margin-bottom: 10px;
}

.error-panel__title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-panel__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 22px;
}

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

.error-actions__item {
  display: block;
}

.error-actions__link {
  display: inline-block;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  text-decoration: none;
}

.error-actions__link:hover,
.error-actions__link:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

.error-hint {
  max-width: 640px;
  padding-top: 22px;
  border-top: 1px solid var(--color-line);
}

.error-hint__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.error-hint__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------
   10. responsive — 900px / 600px 两级断点
   --------------------------------------------------------- */
@media (max-width: 900px) {
  .site-header__inner {
    position: relative;
    flex-wrap: wrap;
    min-height: 60px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 8px 0 14px;
    border-top: 1px solid var(--color-line);
  }

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

  .nav-list__item {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 0;
    border-left: 3px solid transparent;
    padding-left: 12px;
  }

  .nav-link.is-current {
    border-left-color: var(--color-accent);
    background-color: var(--color-bg);
  }

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

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

  .rankings-layout,
  .guide-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

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

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

  .guide-toc,
  .updates-sidebar {
    position: static;
    top: auto;
  }

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

  .year-index {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .year-index__item {
    flex: 0 0 auto;
  }

  .year-index__link {
    white-space: nowrap;
  }

  .genre-row {
    grid-template-columns: 40px 120px minmax(0, 1fr);
  }

  .genre-row__pick {
    grid-column: 2 / -1;
  }

  .update-item {
    grid-template-columns: 96px minmax(0, 1fr) 90px;
  }

  .update-item__chapter {
    grid-column: 2 / 3;
  }

  .update-item__state {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    justify-self: end;
  }

  .record-item {
    grid-template-columns: 96px minmax(0, 1fr) 90px;
  }

  .record-item__genre {
    grid-column: 2 / 3;
  }

  .record-item__status {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    justify-self: end;
  }

  .record-item__chapter {
    grid-column: 2 / -1;
  }

  .month-item {
    grid-template-columns: 84px 120px minmax(0, 1fr);
  }

  .archive-item {
    grid-template-columns: 110px 150px minmax(0, 1fr);
  }

  .path-steps,
  .usage-steps,
  .related-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (max-width: 600px) {
  :root {
    --gutter: 18px;
  }

  body {
    font-size: 15px;
  }

  .fact-bar,
  .site-factbar {
    font-size: 12px;
  }

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

  .hero {
    padding-top: 30px;
  }

  .hero__title {
    font-size: 24px;
  }

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 18px;
  }

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

  .genre-row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px 14px;
  }

  .genre-row__scope,
  .genre-row__pick {
    grid-column: 2 / -1;
  }

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

  .update-item__date {
    grid-column: 1 / -1;
  }

  .update-item__name {
    grid-column: 1 / 2;
  }

  .update-item__state {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .update-item__genre,
  .update-item__chapter {
    grid-column: auto / span 1;
  }

  .record-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 12px;
  }

  .record-item__date {
    grid-column: 1 / -1;
  }

  .record-item__name {
    grid-column: 1 / 2;
  }

  .record-item__status {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .record-item__genre,
  .record-item__chapter {
    grid-column: auto / span 1;
  }

  .month-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
  }

  .month-item__label {
    grid-column: 1 / 2;
  }

  .month-item__count {
    grid-column: 2 / 3;
    justify-self: end;
  }

  .month-item__lead {
    grid-column: 1 / -1;
  }

  .archive-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
  }

  .archive-item__year {
    grid-column: 1 / 2;
  }

  .archive-item__count {
    grid-column: 2 / 3;
    justify-self: end;
  }

  .archive-item__genre {
    grid-column: 1 / -1;
  }

  .rank-items .rank-item {
    grid-template-columns: 34px 78px minmax(0, 1fr);
    gap: 12px;
  }

  .field-list__row,
  .feedback-list__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

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

  .status-note,
  .updates-path,
  .error-panel {
    padding: 20px 18px;
  }

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

  .error-panel__title {
    font-size: 22px;
  }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}