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

/* --------------------------------------------------------------------------
   base · 变量与基础重置
   -------------------------------------------------------------------------- */
:root {
  --c-bg: #F7F8FB;
  --c-card: #FFFFFF;
  --c-text: #1F2430;
  --c-muted: #5B6472;
  --c-accent: #4C6FFF;
  --c-accent-soft: #EDF1FF;
  --c-second: #FF7A59;
  --c-second-soft: #FFF1EC;
  --c-line: #E6E9F0;
  --c-line-soft: #F0F2F7;
  --radius-card: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(31, 36, 48, 0.05);
  --shadow-hover: 0 6px 18px rgba(31, 36, 48, 0.10);
  --wrap: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", 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-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-text);
}

p {
  margin: 0;
}

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

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

a:hover {
  color: var(--c-second);
}

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

figure {
  margin: 0;
}

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

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

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

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
}

.site-main {
  flex: 1 1 auto;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 56px;
}

.inner-main {
  padding-top: 20px;
}

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

/* 事实条 */
.site-factbar {
  background: var(--c-text);
  color: #E8EBF2;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
  padding: 9px 20px;
}

/* 页头 */
.site-header {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-line);
  position: sticky;
  top: 0;
  z-index: 30;
}

.site-header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 品牌标识 */
.brand {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0;
  padding: 8px 0;
}

.brand:hover {
  color: var(--c-accent);
}

/* 主导航 */
.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

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

.nav-list > li {
  display: flex;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  font-size: 15px;
  color: var(--c-muted);
  border-radius: var(--radius-card);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--c-text);
  background: var(--c-line-soft);
}

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

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  margin-left: auto;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--c-text);
  border-radius: 2px;
}

/* 次级题材标签栏 */
.tagbar {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-line);
}

.tagbar-list {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 20px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tagbar-list > li {
  flex: 0 0 auto;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  font-size: 13px;
  color: var(--c-muted);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.tag-pill:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--c-muted);
  padding: 16px 0 12px;
}

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

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

.breadcrumb-sep {
  color: #A8B0BE;
}

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

/* 内页标题区 */
.page-header {
  padding: 4px 0 22px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 28px;
}

.page-title {
  font-size: 30px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 10px;
}

.page-description {
  font-size: 15px;
  color: var(--c-muted);
  max-width: 820px;
}

/* 通用 section 间距 */
.section {
  margin-bottom: 44px;
}

.section-head {
  margin-bottom: 18px;
}

.section-title {
  font-size: 21px;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: var(--c-muted);
  max-width: 820px;
}

.section-desc a {
  color: var(--c-accent);
}

/* 通用小标题 */
.block-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.block-desc {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 14px;
}

.block-more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-accent);
}

.block-more:hover {
  color: var(--c-second);
}

/* 图片容器统一约束 */
.hero-visual img,
.cover-card img,
.work-cover img,
.update-thumb img,
.rank-cover img,
.guide-map-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  background: var(--c-line-soft);
}

/* --------------------------------------------------------------------------
   components · 通用组件
   -------------------------------------------------------------------------- */

/* 卡片基础 */
.genre-col,
.genre-cell,
.genre-block,
.update-group,
.ranking-item,
.reason-card,
.caliber-item,
.path-card,
.path-item,
.boundary-item,
.faq-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

/* 首屏查阅区 */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  gap: 36px;
  align-items: center;
  padding: 40px 0 44px;
}

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

.hero-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}

.hero-summary {
  font-size: 15px;
  color: var(--c-muted);
  margin-bottom: 22px;
  max-width: 560px;
}

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

.hero-path-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.hero-path-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-left-color: var(--c-second);
}

.hero-path-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.hero-path-desc {
  font-size: 13px;
  color: var(--c-muted);
}

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

.hero-visual img {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-card);
}

.hero-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-muted);
  text-align: center;
}

/* 题材方向总览（首页） */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.genre-col {
  padding: 18px 16px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.genre-col:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.genre-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.genre-note {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 12px;
}

.genre-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.genre-items li a {
  display: inline-block;
  font-size: 13px;
  color: var(--c-accent);
  padding: 3px 0;
}

.genre-items li a:hover {
  color: var(--c-second);
}

/* 封面条目与最近更新并列区 */
.split-section {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 28px;
  margin-top: 18px;
}

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

.split-side {
  min-width: 0;
  padding-left: 28px;
  border-left: 1px solid var(--c-line);
}

/* 封面网格 */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cover-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-radius: var(--radius-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-3px);
}

.cover-card img {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-card);
}

.cover-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
}

.cover-tag {
  font-size: 12px;
  color: var(--c-muted);
}

/* 更新清单（首页侧栏 / 内页通用行结构） */
.update-list {
  display: flex;
  flex-direction: column;
}

.update-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-line);
}

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

.update-date {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--c-muted);
  background: var(--c-line-soft);
  border-radius: 4px;
  padding: 2px 7px;
  white-space: nowrap;
}

.update-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--c-text);
  font-weight: 500;
  overflow-wrap: anywhere;
}

.update-meta {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--c-muted);
  white-space: nowrap;
}

/* 人气榜单速览 */
.ranking-preview {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.rank-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  grid-template-areas:
    "no name genre"
    "no reason reason";
  column-gap: 14px;
  row-gap: 4px;
  align-items: center;
  padding: 12px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.rank-row:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.rank-no {
  grid-area: no;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  border-radius: 6px;
}

.rank-name {
  grid-area: name;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.rank-genre {
  grid-area: genre;
  font-size: 12px;
  color: var(--c-muted);
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  white-space: nowrap;
}

.rank-reason {
  grid-area: reason;
  font-size: 13px;
  color: var(--c-muted);
}

/* 阅读说明与收录边界摘要 */
.guide-preview {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 24px;
}

.guide-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 16px;
}

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

.guide-col + .guide-col {
  padding-left: 28px;
  border-left: 1px solid var(--c-line);
}

.guide-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-points li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  color: var(--c-muted);
}

.guide-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--c-second);
  border-radius: 50%;
}

/* 站内栏目索引 */
.site-index {
  margin-bottom: 20px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.index-cell {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 16px 14px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.index-cell:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-accent);
}

.index-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.index-cell:hover .index-link {
  color: var(--c-accent);
}

.index-note {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   pages · 题材分类页
   -------------------------------------------------------------------------- */
.genre-overview {
  margin-bottom: 44px;
}

.genre-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.genre-cell {
  padding: 16px 18px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.genre-cell:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.genre-cell-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.genre-cell-desc {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 10px;
}

.genre-cell-sample {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.genre-cell-sample a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  border-radius: var(--radius-pill);
}

.genre-cell-sample a:hover {
  color: #FFFFFF;
  background: var(--c-accent);
}

/* 各题材代表作品条目 */
.genre-works {
  margin-bottom: 44px;
}

.genre-block {
  padding: 22px 24px;
  margin-bottom: 18px;
}

.genre-block-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.genre-block-desc {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 16px;
}

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

.work-card {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.work-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.work-cover {
  width: 84px;
}

.work-cover img {
  aspect-ratio: 3 / 4;
}

.work-meta {
  min-width: 0;
}

.work-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}

.work-tags {
  font-size: 12px;
  color: var(--c-accent);
  margin-bottom: 4px;
}

.work-status {
  font-size: 12px;
  color: var(--c-muted);
}

/* 题材浏览路径说明 */
.genre-path {
  margin-bottom: 20px;
}

.path-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
  counter-reset: path-counter;
}

.path-item {
  padding: 18px 18px 18px 20px;
  position: relative;
}

.path-item::before {
  counter-increment: path-counter;
  content: counter(path-counter);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--c-accent);
  border-radius: 6px;
}

.path-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.path-desc,
.path-text {
  font-size: 13px;
  color: var(--c-muted);
}

.path-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--c-muted);
}

.path-note a {
  margin-right: 12px;
}

/* --------------------------------------------------------------------------
   pages · 最近更新页
   -------------------------------------------------------------------------- */
.updates-log {
  margin-bottom: 44px;
}

.update-group {
  padding: 20px 24px;
  margin-bottom: 16px;
}

.update-group .update-date {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  background: transparent;
  padding: 0;
  margin-bottom: 12px;
}

.update-group .update-list {
  gap: 0;
}

.updates-log .update-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 14px 0;
}

.update-thumb {
  width: 76px;
}

.update-thumb img {
  aspect-ratio: 3 / 4;
}

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

.updates-log .update-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.updates-log .update-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--c-muted);
  margin-bottom: 6px;
}

.update-genre,
.update-state {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.update-genre {
  color: var(--c-accent);
  background: var(--c-accent-soft);
}

.update-state {
  color: var(--c-second);
  background: var(--c-second-soft);
}

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

/* 字段口径表 */
.updates-fields {
  margin-bottom: 44px;
}

.field-table {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-top: 16px;
}

.field-caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--c-muted);
  padding: 12px 16px 0;
}

.field-table th,
.field-table td,
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}

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

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

.field-table td:first-child,
.spec-table td:first-child {
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
}

.field-table td,
.spec-table td {
  color: var(--c-muted);
}

.field-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--c-muted);
}

/* 更新记录浏览路径 */
.updates-path {
  margin-bottom: 20px;
}

.updates-path .path-item::before {
  display: none;
}

.updates-path .path-item {
  padding: 18px;
}

/* --------------------------------------------------------------------------
   pages · 人气榜单页
   -------------------------------------------------------------------------- */
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-meta-item {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  font-size: 13px;
  color: var(--c-muted);
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
}

.ranking-section,
.reason-section,
.caliber-section {
  margin-bottom: 44px;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.ranking-item {
  display: grid;
  grid-template-columns: 44px 76px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.ranking-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.ranking-item .rank-no {
  width: 36px;
  height: 36px;
  font-size: 15px;
}

.rank-cover {
  width: 76px;
}

.rank-cover img {
  aspect-ratio: 3 / 4;
}

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

.rank-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.rank-title a {
  color: var(--c-text);
}

.rank-title a:hover {
  color: var(--c-accent);
}

.rank-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.rank-tags .tag-pill {
  min-height: 24px;
  padding: 0 9px;
  font-size: 12px;
}

.rank-status {
  font-size: 12px;
  color: var(--c-second);
  margin-bottom: 6px;
}

.rank-body .rank-reason {
  font-size: 13px;
  color: var(--c-muted);
}

/* 上榜理由摘要 */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.reason-card {
  padding: 16px 18px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.reason-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.reason-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.reason-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  font-size: 12px;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

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

/* 排序口径说明 */
.caliber-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.caliber-item {
  padding: 18px;
}

.caliber-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

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

.caliber-more {
  margin-top: 16px;
  font-size: 13px;
  color: var(--c-muted);
}

.caliber-more a {
  margin-right: 12px;
}

/* --------------------------------------------------------------------------
   pages · 阅读说明页
   -------------------------------------------------------------------------- */
.content-wrap {
  display: flex;
  flex-direction: column;
  gap: 44px;
  padding-bottom: 20px;
}

.guide-map-figure {
  margin-top: 16px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 12px;
}

.guide-map-figure img {
  aspect-ratio: 16 / 9;
  border-radius: 6px;
}

.guide-map-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-muted);
  text-align: center;
}

.spec-table {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-top: 16px;
}

.spec-table caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--c-muted);
  padding: 12px 16px 0;
}

/* 收录边界说明 */
.boundary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.boundary-item {
  padding: 16px 18px;
}

.boundary-item-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.boundary-item p {
  font-size: 13px;
  color: var(--c-muted);
}

/* 站内浏览路径指引 */
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.path-card {
  padding: 18px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.path-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.path-card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.path-card p {
  font-size: 13px;
  color: var(--c-muted);
}

/* FAQ 折叠条目 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.faq-item {
  padding: 4px 18px;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 18px;
  font-weight: 400;
  color: var(--c-accent);
  line-height: 1;
}

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

.faq-answer {
  font-size: 14px;
  color: var(--c-muted);
  padding: 0 0 16px;
  border-top: 1px solid var(--c-line-soft);
  padding-top: 12px;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px 80px;
}

.error-panel {
  width: 100%;
  max-width: 620px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  text-align: center;
}

.error-code {
  font-size: 44px;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1.1;
  margin-bottom: 10px;
}

.error-panel h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-text {
  font-size: 14px;
  color: var(--c-muted);
  margin-bottom: 22px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
}

.error-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
}

.error-link:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-card);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  color: #FFFFFF;
  background: #3A5BEA;
}

/* --------------------------------------------------------------------------
   layout · 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--c-card);
  border-top: 1px solid var(--c-line);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 36px 20px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 28px;
}

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

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 13px;
  color: var(--c-muted);
  max-width: 320px;
}

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

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}

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

.footer-list a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  font-size: 13px;
  color: var(--c-muted);
}

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

.footer-bottom {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 20px 28px;
  border-top: 1px solid var(--c-line);
  font-size: 12px;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   responsive · 平板与手机
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    gap: 26px;
  }

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

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

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

@media (max-width: 768px) {
  .site-main,
  .site-header-inner,
  .tagbar-list,
  .footer-inner,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-main {
    padding-bottom: 44px;
  }

  /* 移动导航 */
  .nav-toggle {
    display: flex;
  }

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
    padding: 8px 0 12px;
    border-top: 1px solid var(--c-line);
    margin-top: 8px;
  }

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

  .nav-list > li {
    display: block;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-bottom: none;
    border-left: 3px solid transparent;
    border-radius: var(--radius-card);
    padding: 0 12px;
  }

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

  /* 首屏 */
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    padding: 26px 0 32px;
  }

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

  .hero-visual {
    order: 2;
  }

  .hero-visual img {
    aspect-ratio: 16 / 10;
  }

  /* 题材总览 */
  .genre-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  /* 并列区 */
  .split-section,
  .ranking-preview,
  .guide-preview {
    padding: 18px;
  }

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

  .split-side {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--c-line);
    padding-top: 20px;
  }

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

  /* 榜单速览 */
  .rank-row {
    grid-template-columns: 34px minmax(0, 1fr);
    grid-template-areas:
      "no name"
      "no genre"
      "reason reason";
    row-gap: 6px;
  }

  .rank-genre {
    justify-self: start;
  }

  /* 说明摘要 */
  .guide-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .guide-col + .guide-col {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--c-line);
    padding-top: 18px;
  }

  /* 栏目索引 */
  .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* 内页标题区 */
  .page-title {
    font-size: 24px;
  }

  .page-header {
    padding-bottom: 18px;
    margin-bottom: 22px;
  }

  /* 题材页 */
  .genre-overview-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  /* 更新页 */
  .update-group {
    padding: 16px;
  }

  .updates-log .update-row {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 12px;
  }

  .update-thumb {
    width: 64px;
  }

  /* 榜单页 */
  .ranking-item {
    grid-template-columns: 34px 64px minmax(0, 1fr);
    gap: 12px;
    padding: 14px;
  }

  .rank-cover {
    width: 64px;
  }

  .ranking-item .rank-no {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }

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

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

  /* 说明页 */
  .boundary-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  /* 表格横向滚动 */
  .field-table,
  .spec-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .field-table tbody td,
  .spec-table tbody td {
    white-space: normal;
    min-width: 140px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    padding-top: 28px;
  }

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

  /* 404 */
  .error-panel {
    padding: 28px 20px;
  }

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

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

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

  .brand {
    font-size: 17px;
  }

  .hero-title {
    font-size: 23px;
  }

  .hero-path-link {
    padding: 11px 14px;
  }

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

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

  .cover-name {
    font-size: 13px;
  }

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

  .work-card {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
  }

  .work-cover {
    width: 72px;
  }

  .updates-log .update-row {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .update-thumb {
    width: 56px;
  }

  .ranking-item {
    grid-template-columns: 30px 56px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
  }

  .rank-cover {
    width: 56px;
  }

  .ranking-item .rank-no {
    width: 26px;
    height: 26px;
    font-size: 13px;
  }

  .update-group,
  .genre-block {
    padding: 14px;
  }

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

  .error-panel h1 {
    font-size: 20px;
  }
}

/* 滚动出现动画（渐进增强，不影响初始可见） */
@media (prefers-reduced-motion: no-preference) {
  .section,
  .site-index {
    animation: rise-in 0.5s ease both;
  }

  @keyframes rise-in {
    from {
      transform: translateY(10px);
    }
    to {
      transform: translateY(0);
    }
  }
}

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

  * {
    animation: none !important;
    transition: none !important;
  }
}