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

/* --------------------------------------------------------------------------
   base：变量、重置、排版、通用元素
   -------------------------------------------------------------------------- */
:root {
  --c-text: #1c1c1c;
  --c-text-soft: #5c5c5c;
  --c-text-mute: #8a8a8a;
  --c-line: #e2e2e2;
  --c-line-strong: #c9c9c9;
  --c-bg: #ffffff;
  --c-bg-soft: #f7f7f5;
  --c-accent: #c8362f;
  --radius: 6px;
  --radius-sm: 4px;
  --wrap: 1120px;
  --font-title: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", "Menlo", "Consolas", monospace;
}

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

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
}

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

p {
  margin: 0;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 16px;
  background: var(--c-text);
  color: #fff;
  z-index: 60;
}

.skip-link:focus {
  left: 8px;
  top: 8px;
}

/* 通用文本链接（带下划线的强调入口） */
.text-link {
  display: inline-block;
  color: var(--c-accent);
  font-size: 14px;
  border-bottom: 1px solid rgba(200, 54, 47, 0.35);
  padding-bottom: 1px;
}

.text-link:hover,
.text-link:focus-visible {
  border-bottom-color: var(--c-accent);
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #a92c26;
  border-color: #a92c26;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--c-line-strong);
  color: var(--c-text);
}

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

/* 题材 / 状态小标签 */
.tag {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-bg-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-text-soft);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   layout：页头、主导航、主容器、面包屑、页标题区、页脚
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--c-text);
}

.brand-mark {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 600;
  padding-right: 10px;
  border-right: 1px solid var(--c-line-strong);
}

.brand-slogan {
  font-size: 13px;
  color: var(--c-text-mute);
}

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

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

.nav-list li {
  display: block;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--c-text-soft);
  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-text);
}

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

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

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 主内容区：全站统一容器 */
.site-main {
  display: block;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 24px 24px 64px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-mute);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
}

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

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

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

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

/* 内页标题区 */
.page-header {
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 36px;
}

.page-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--c-text);
}

.page-description {
  margin-top: 12px;
  max-width: 780px;
  font-size: 15px;
  color: var(--c-text-soft);
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--c-line);
  background: var(--c-bg-soft);
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 28px 24px 34px;
}

.footer-top {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.back-to-top::before {
  content: "↑";
  margin-right: 6px;
  font-family: var(--font-mono);
  color: var(--c-accent);
}

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

.footer-brand {
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--c-line);
}

.footer-brand-name {
  display: block;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 600;
}

.footer-brand-desc {
  margin-top: 8px;
  max-width: 760px;
  font-size: 13px;
  color: var(--c-text-soft);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--c-line);
}

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 10px;
}

.footer-list li {
  margin-bottom: 2px;
}

.footer-list a {
  display: inline-block;
  min-height: 32px;
  line-height: 32px;
  font-size: 13px;
  color: var(--c-text-soft);
}

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

.footer-note {
  padding-top: 18px;
  font-size: 13px;
  color: var(--c-text-soft);
  max-width: 820px;
}

.footer-copy {
  margin-top: 10px;
  font-size: 12px;
  color: var(--c-text-mute);
}

/* --------------------------------------------------------------------------
   components：通用区块、表格、卡片、列表、时间线、FAQ
   -------------------------------------------------------------------------- */
.section {
  padding: 48px 0;
  border-bottom: 1px solid var(--c-line);
}

.section:last-of-type {
  border-bottom: 0;
}

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

.section-title {
  font-size: 22px;
  font-weight: 600;
}

.section-lead,
.section-desc {
  margin-top: 8px;
  max-width: 820px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.section-more {
  margin-top: 20px;
}

.section-foot {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

/* 表格：题材对比表 / 榜单对比表 / 字段表 */
.table-wrap,
.field-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.data-table,
.field-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

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

.data-table th,
.data-table td,
.field-table th,
.field-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}

.data-table thead th,
.field-table thead th {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-soft);
  background: var(--c-bg-soft);
  white-space: nowrap;
}

.data-table tbody th,
.field-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

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

.data-table tbody tr:hover,
.field-table tbody tr:hover {
  background: #fbfbfa;
}

/* 图片说明块 */
.section-figure,
.guide-figure,
.updates-figure,
.media-figure {
  margin: 26px 0 0;
}

.section-figure img,
.guide-figure img,
.updates-figure img,
.media-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg-soft);
}

.figure-caption,
.updates-figure-caption,
.media-caption,
.guide-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-text-mute);
}

/* 条目行列表（题材分组 / 更新月份） */
.entry-list,
.update-list,
.month-list,
.ranking-entries,
.media-notes-list,
.adjust-list,
.path-steps,
.feedback-links,
.error-hint-list {
  list-style: none;
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */
.site-home .home-main {
  display: block;
}

/* 首屏 */
.hero {
  border-bottom: 1px solid var(--c-line);
  background: var(--c-bg-soft);
}

.hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

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

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-accent);
  letter-spacing: 0.04em;
}

.hero-title {
  margin-top: 14px;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.28;
}

.hero-lead {
  margin-top: 16px;
  max-width: 560px;
  font-size: 16px;
  color: var(--c-text-soft);
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media {
  margin: 0;
  min-width: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
}

/* 首屏下方三个入口 */
.hero-entries {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.entry-card {
  display: block;
  padding: 18px 20px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.entry-card:hover,
.entry-card:focus-visible {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
  color: inherit;
}

.entry-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-accent);
}

.entry-name {
  display: block;
  margin-top: 6px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 600;
}

.entry-desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--c-text-soft);
}

/* 封面墙 */
.coverwall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.cover-card {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.cover-card:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
}

.cover-media {
  margin: 0;
  background: var(--c-bg-soft);
}

.cover-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.cover-body {
  padding: 14px 16px 16px;
}

.cover-name {
  font-size: 16px;
  font-weight: 600;
}

.cover-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-soft);
}

.cover-rhythm {
  font-size: 12px;
  color: var(--c-text-mute);
}

/* 最近更新目录（首页） */
.updates-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.update-group {
  border-top: 2px solid var(--c-text);
  padding-top: 14px;
}

.update-month {
  font-size: 17px;
  font-weight: 600;
}

.update-list {
  margin-top: 10px;
}

.update-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.update-name {
  font-weight: 500;
}

.update-state {
  margin-left: auto;
  font-size: 12px;
  color: var(--c-text-mute);
}

/* 榜单排行速览（首页） */
.ranking-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.ranking-card {
  padding: 22px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
}

.ranking-name {
  font-size: 17px;
  font-weight: 600;
}

.ranking-basis,
.ranking-scope {
  margin-top: 10px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.ranking-more {
  margin-top: 16px;
}

/* 阅读说明与收录边界摘要（首页） */
.guide-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

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

.guide-subtitle {
  font-size: 17px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.field-list {
  margin: 14px 0 0;
}

.field-list dt {
  font-size: 14px;
  font-weight: 600;
}

.field-list dd {
  margin: 2px 0 12px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.guide-boundary p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.guide-more {
  margin-top: 16px;
}

/* 站内页面索引 */
.sitemap-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.sitemap-col {
  padding: 18px 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg);
}

.sitemap-name {
  font-size: 16px;
  font-weight: 600;
}

.sitemap-desc {
  margin: 8px 0 14px;
  font-size: 13px;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   pages：题材分类页
   -------------------------------------------------------------------------- */
.genre-table-section,
.genre-list-section,
.genre-link-section,
.guide-fields,
.guide-boundary,
.guide-path,
.guide-faq,
.guide-feedback,
.updates-years,
.updates-months,
.updates-notes,
.ranking-compare,
.ranking-list-section,
.ranking-media,
.ranking-adjust {
  padding: 40px 0;
  border-bottom: 1px solid var(--c-line);
}

.genre-table-section:first-of-type,
.guide-fields:first-of-type,
.updates-years:first-of-type,
.ranking-compare:first-of-type {
  padding-top: 0;
}

.genre-list-section:last-of-type,
.genre-link-section:last-of-type,
.guide-feedback:last-of-type,
.updates-notes:last-of-type,
.ranking-adjust:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.genre-table .table-link {
  color: var(--c-accent);
  border-bottom: 1px solid rgba(200, 54, 47, 0.35);
}

.genre-table .table-link:hover,
.genre-table .table-link:focus-visible {
  border-bottom-color: var(--c-accent);
}

/* 题材分组清单 */
.genre-group {
  padding: 22px 0;
  border-top: 1px solid var(--c-line);
}

.genre-group:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.group-title {
  font-size: 17px;
  font-weight: 600;
}

.group-desc {
  margin-top: 6px;
  max-width: 760px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.entry-list {
  margin-top: 12px;
}

.entry-item {
  display: grid;
  grid-template-columns: minmax(200px, 1.4fr) minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.genre-group .entry-name {
  font-weight: 500;
}

.entry-meta {
  color: var(--c-text-soft);
}

.entry-status {
  font-size: 12px;
  color: var(--c-text-mute);
  white-space: nowrap;
}

/* 题材关联与跳转 */
.link-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

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

.column-title {
  font-size: 16px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.column-text {
  margin-top: 12px;
  font-size: 14px;
  color: var(--c-text-soft);
}

.section-footnote {
  margin-top: 22px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   pages：最近更新页
   -------------------------------------------------------------------------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.updates-years {
  border-bottom: 0;
  padding: 0;
  position: sticky;
  top: 88px;
}

.year-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.year-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-text-soft);
  background: var(--c-bg);
}

.year-link:hover,
.year-link:focus-visible {
  border-color: var(--c-line-strong);
  color: var(--c-text);
}

.year-link.is-current {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.updates-months {
  border-bottom: 0;
  padding: 0;
  min-width: 0;
}

.month-group {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 2px solid var(--c-text);
}

.month-group:first-of-type {
  margin-top: 0;
}

.month-title {
  font-size: 17px;
  font-weight: 600;
}

.month-list {
  margin-top: 10px;
}

.update-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.3fr) minmax(90px, 0.7fr) minmax(110px, 0.9fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.updates-months .update-name {
  font-weight: 500;
}

.update-genre,
.update-rhythm {
  color: var(--c-text-soft);
}

.updates-months .update-state {
  margin-left: 0;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-line);
  color: var(--c-text-mute);
  white-space: nowrap;
}

.update-state.state-active {
  border-color: rgba(200, 54, 47, 0.4);
  color: var(--c-accent);
}

.update-state.state-hold {
  border-color: var(--c-line-strong);
  color: var(--c-text-soft);
}

.update-state.state-review {
  border-style: dashed;
  color: var(--c-text-soft);
}

/* 更新节奏与条目状态说明 */
.notes-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 18px;
}

.note-block {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-bg-soft);
}

.note-title {
  font-size: 16px;
  font-weight: 600;
}

.note-text {
  margin-top: 10px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   pages：榜单排行页
   -------------------------------------------------------------------------- */
.ranking-block {
  padding: 24px 0;
  border-top: 1px solid var(--c-line);
}

.ranking-block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.ranking-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.ranking-block-title {
  font-size: 18px;
  font-weight: 600;
}

.ranking-block-note {
  font-size: 13px;
  color: var(--c-text-mute);
}

.ranking-entries {
  margin-top: 12px;
}

.ranking-entry {
  display: grid;
  grid-template-columns: 36px minmax(180px, 1.3fr) minmax(90px, 0.7fr) minmax(140px, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.ranking-entry:last-child {
  border-bottom: 0;
}

.ranking-entry:hover {
  border-bottom-color: var(--c-line-strong);
  transform: translateY(-1px);
}

.ranking-index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-accent);
}

.ranking-list-section .ranking-name {
  font-size: 14px;
  font-weight: 500;
}

.ranking-genre,
.ranking-basis {
  color: var(--c-text-soft);
}

/* 榜单配图与说明 */
.media-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.media-figure {
  margin: 0;
  min-width: 0;
}

.media-notes {
  min-width: 0;
}

.media-notes-title {
  font-size: 17px;
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.media-notes-list {
  margin-top: 14px;
}

.media-notes-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
  color: var(--c-text-soft);
}

.media-notes-list li:last-child {
  border-bottom: 0;
}

.media-notes-list strong {
  color: var(--c-text);
  font-weight: 600;
}

.media-notes-foot {
  margin-top: 16px;
}

/* 榜单调整时间线 */
.timeline-list {
  margin-top: 6px;
  border-left: 1px solid var(--c-line);
  padding-left: 22px;
}

.timeline-item {
  position: relative;
  padding: 14px 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
}

.timeline-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-text-mute);
}

.timeline-body {
  margin-top: 4px;
}

.timeline-title {
  font-size: 16px;
  font-weight: 600;
}

.timeline-text {
  margin-top: 6px;
  max-width: 760px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* --------------------------------------------------------------------------
   pages：阅读说明页
   -------------------------------------------------------------------------- */
.field-table {
  min-width: 640px;
}

.boundary-body {
  margin-top: 16px;
}

.boundary-body p {
  margin-bottom: 12px;
  max-width: 820px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.subsection-title {
  margin-top: 24px;
  font-size: 17px;
  font-weight: 600;
}

.adjust-list {
  margin-top: 12px;
}

.adjust-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
}

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

.adjust-time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-text-mute);
}

.adjust-text {
  color: var(--c-text-soft);
}

/* 浏览路径 */
.path-steps {
  margin-top: 18px;
}

.path-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--c-line);
}

.path-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.step-index {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-accent);
}

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

.step-title {
  font-size: 16px;
  font-weight: 600;
}

.step-body p {
  margin-top: 6px;
  max-width: 780px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* FAQ */
.faq-list {
  margin-top: 18px;
  border-top: 1px solid var(--c-line);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 12px 0;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-accent);
}

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

.faq-answer {
  padding: 0 0 16px;
}

.faq-answer p {
  max-width: 820px;
  font-size: 14px;
  color: var(--c-text-soft);
}

/* 反馈入口 */
.feedback-body {
  margin-top: 16px;
}

.feedback-body p {
  max-width: 820px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.feedback-links {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.feedback-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg);
}

.feedback-links a:hover,
.feedback-links a:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   pages：404
   -------------------------------------------------------------------------- */
.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 64px 24px 72px;
}

.error-panel {
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 36px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-accent);
}

.error-panel h1 {
  margin-top: 12px;
  font-size: 34px;
  font-weight: 600;
}

.error-desc {
  margin-top: 14px;
  max-width: 720px;
  font-size: 15px;
  color: var(--c-text-soft);
}

.error-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.error-hints {
  padding-top: 32px;
}

.error-hints h2 {
  font-size: 22px;
  font-weight: 600;
}

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

.error-hint-list a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 0 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-size: 15px;
  background: var(--c-bg);
}

.error-hint-list a:hover,
.error-hint-list a:focus-visible {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   responsive：1024px 与 640px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    padding: 8px 24px 14px;
  }

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

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

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

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--c-line);
  }

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

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

  .hero-title {
    font-size: 34px;
  }

  .hero-media {
    order: 2;
  }

  .hero-copy {
    order: 1;
  }

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

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

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

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

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

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

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

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

  .updates-years {
    position: static;
    top: auto;
  }

  .media-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

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

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

  .entry-meta {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .brand-slogan {
    display: none;
  }

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

  .inner-main {
    padding: 18px 16px 52px;
  }

  .hero-inner {
    padding: 32px 16px 26px;
  }

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

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    gap: 12px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-entries {
    grid-template-columns: minmax(0, 1fr);
    padding: 0 16px 36px;
  }

  .section {
    padding: 34px 0;
  }

  .page-header {
    padding: 20px 0 22px;
    margin-bottom: 26px;
  }

  .page-title,
  .error-panel h1 {
    font-size: 26px;
  }

  .section-title,
  .error-hints h2 {
    font-size: 20px;
  }

  .coverwall,
  .updates-groups,
  .ranking-cards,
  .sitemap-columns,
  .link-columns,
  .notes-columns,
  .guide-columns,
  .footer-nav,
  .error-hint-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .coverwall {
    gap: 16px;
  }

  .guide-columns {
    gap: 24px;
  }

  .genre-table-section,
  .genre-list-section,
  .genre-link-section,
  .guide-fields,
  .guide-boundary,
  .guide-path,
  .guide-faq,
  .guide-feedback,
  .updates-years,
  .updates-months,
  .updates-notes,
  .ranking-compare,
  .ranking-list-section,
  .ranking-media,
  .ranking-adjust {
    padding: 30px 0;
  }

  .table-wrap,
  .field-table-wrap {
    border-radius: var(--radius-sm);
  }

  .data-table,
  .field-table {
    min-width: 620px;
    font-size: 13px;
  }

  .data-table th,
  .data-table td,
  .field-table th,
  .field-table td {
    padding: 10px 12px;
  }

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

  .entry-meta,
  .update-genre,
  .update-rhythm,
  .ranking-genre,
  .ranking-basis {
    grid-column: auto;
  }

  .ranking-entry {
    grid-template-columns: 32px minmax(0, 1fr);
    align-items: start;
  }

  .ranking-entry .ranking-genre,
  .ranking-entry .ranking-basis {
    grid-column: 2;
  }

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

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

  .timeline-list {
    padding-left: 18px;
  }

  .timeline-item::before {
    left: -23px;
  }

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

  .error-main {
    padding: 44px 16px 56px;
  }

  .faq-question {
    font-size: 15px;
  }
}