/* ==========================================================================
   汗汗漫画 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版基准
   -------------------------------------------------------------------------- */
:root {
  --paper: #fffdf8;
  --sand: #f5f1e8;
  --ink: #23201c;
  --ink-soft: #6b6459;
  --line: #ddd5c6;
  --seal: #a33a2e;
  --seal-soft: rgba(163, 58, 46, 0.08);
  --shell: 1180px;
  --reading: 760px;
  --radius: 6px;
  --gap: 24px;
  --mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
}

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

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

body {
  margin: 0;
  background-color: var(--sand);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

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

p {
  margin: 0;
}

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

dl,
dd,
dt,
figure,
figcaption {
  margin: 0;
}

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

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

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

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

time,
.genre-index-no,
.genre-no,
.group-index,
.board-rank,
.ranking-no,
.update-date {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   layout：全站骨架（页头 / 主容器 / 内页壳 / 页脚）
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 1 auto;
}

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

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  padding: 6px 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand::before {
  content: "";
  width: 8px;
  height: 20px;
  background-color: var(--seal);
  border-radius: 2px;
}

.brand:hover,
.brand:focus-visible {
  color: var(--seal);
}

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

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 1px;
}

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

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

.nav-list li {
  display: block;
}

.nav-list a {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  color: var(--ink-soft);
  border-radius: var(--radius);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--ink);
  background-color: var(--seal-soft);
}

.nav-list a.is-current {
  color: var(--seal);
  font-weight: 700;
  background-color: var(--seal-soft);
}

/* 首页主容器 */
.home-main {
  display: block;
}

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

/* 内页壳 */
.inner-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

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

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

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

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

.page-header {
  padding: 18px 0 26px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

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

.page-description {
  margin-top: 12px;
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 16px;
}

/* 页脚 */
.site-footer {
  background-color: var(--paper);
  border-top: 1px solid var(--line);
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px 24px 28px;
}

.footer-back {
  font-size: 15px;
  margin-bottom: 26px;
}

.footer-back a {
  color: var(--seal);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.footer-title {
  font-size: 15px;
  margin-bottom: 12px;
}

.footer-list li + li {
  margin-top: 8px;
}

.footer-list a {
  font-size: 14px;
  color: var(--ink-soft);
  display: inline-block;
  padding: 3px 0;
}

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

.footer-note {
  margin-top: 22px;
  font-size: 13px;
  color: var(--ink-soft);
  max-width: var(--reading);
}

.footer-copy {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* 返回顶部 */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 40;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

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

/* --------------------------------------------------------------------------
   components：通用组件
   -------------------------------------------------------------------------- */
.section-head {
  padding: 0 0 20px;
}

.section-title {
  font-size: 22px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.section-title::before {
  content: "";
  width: 6px;
  height: 18px;
  background-color: var(--seal);
  border-radius: 2px;
  transform: translateY(1px);
}

.section-desc,
.section-note,
.section-lead,
.section-intro {
  margin-top: 10px;
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

.section-more {
  margin-top: 22px;
  font-size: 15px;
}

.link-more {
  color: var(--seal);
  border-bottom: 1px solid rgba(163, 58, 46, 0.35);
  padding-bottom: 2px;
}

.link-more:hover,
.link-more:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background-color: var(--seal);
  color: #fffdf8;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: #8c2f25;
  color: #fffdf8;
}

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

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

/* 通用图片容器约束 */
.cover-media,
.hero-media,
.genre-thumb,
.updates-figure,
.guide-figure,
.board-cover {
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--paper);
  border: 1px solid var(--line);
}

.cover-media img,
.hero-media img,
.genre-thumb img,
.updates-figure img,
.guide-figure img,
.board-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */

/* 首屏 */
.hero-section {
  background-color: var(--paper);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px 24px 52px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 44px;
}

.hero-content {
  max-width: 560px;
}

.hero-kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--seal);
  margin-bottom: 14px;
}

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

.hero-desc {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 520px;
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-media {
  position: relative;
}

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

.hero-media figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* 题材分类索引 */
.genre-index-section {
  padding: 52px 0;
}

.genre-index-list {
  border-top: 1px solid var(--line);
}

.genre-index-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.18s ease;
}

.genre-index-row:hover {
  background-color: rgba(255, 253, 248, 0.75);
}

.genre-index-no {
  font-size: 15px;
  color: var(--seal);
  padding-top: 3px;
}

.genre-index-body {
  min-width: 0;
}

.genre-index-name {
  font-size: 18px;
}

.genre-index-trait {
  margin-top: 6px;
  font-size: 15px;
  color: var(--ink);
}

.genre-index-sample {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* 封面墙 */
.cover-wall-section {
  padding: 52px 0;
  background-color: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cover-wall {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 22px;
}

.cover-card {
  grid-column: span 2;
  background-color: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s ease;
}

.cover-card-featured {
  grid-column: span 3;
}

.cover-card:hover,
.cover-card:focus-within {
  border-color: var(--seal);
}

.cover-media {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

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

.cover-card-featured .cover-media img {
  aspect-ratio: 4 / 3;
}

.cover-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.cover-meta {
  font-size: 13px;
  color: var(--ink-soft);
}

/* 最近更新目录 */
.updates-section {
  padding: 52px 0;
}

.updates-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 30px;
}

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

.update-month {
  font-size: 16px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--seal);
}

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

.update-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  align-items: start;
}

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

.update-date {
  font-size: 13px;
  color: var(--ink-soft);
  padding-top: 2px;
}

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

.update-name {
  font-size: 15px;
  font-weight: 700;
}

.update-meta {
  margin-top: 4px;
  font-size: 13px;
  color: var(--seal);
}

/* 榜单排行速览 */
.ranking-preview-section {
  padding: 52px 0;
  background-color: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.ranking-card {
  background-color: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s ease;
}

.ranking-card:hover {
  border-color: var(--seal);
}

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

.ranking-trait {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-soft);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

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

.ranking-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
}

.ranking-no {
  font-size: 13px;
  color: var(--seal);
}

.ranking-title {
  font-weight: 400;
  min-width: 0;
}

/* 阅读说明与收录边界摘要 */
.guide-summary-section {
  padding: 52px 0;
}

.guide-summary-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 36px;
}

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

.guide-subtitle {
  font-size: 17px;
  margin-bottom: 14px;
}

.field-list {
  border-top: 1px solid var(--line);
}

.field-name {
  font-size: 15px;
  font-weight: 700;
  padding-top: 12px;
}

.field-desc {
  font-size: 14px;
  color: var(--ink-soft);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.boundary-item {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-soft);
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background-color: var(--seal);
}

/* 站内页面索引 */
.page-index-section {
  padding: 0 0 56px;
}

.page-index-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.page-index-col {
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
  transition: border-color 0.18s ease;
}

.page-index-col:hover {
  border-color: var(--seal);
}

.page-index-name {
  font-size: 16px;
}

.page-index-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages：题材频道
   -------------------------------------------------------------------------- */
.genre-index {
  margin-bottom: 48px;
}

.genre-block {
  border-top: 1px solid var(--line);
  padding: 26px 0;
}

.genre-block-head {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 6px 16px;
  margin-bottom: 18px;
}

.genre-no {
  grid-row: span 3;
  font-size: 15px;
  color: var(--seal);
  padding-top: 3px;
}

.genre-name {
  font-size: 19px;
}

.genre-trait {
  font-size: 15px;
  color: var(--ink);
}

.genre-setting {
  font-size: 14px;
  color: var(--ink-soft);
}

.genre-block-body {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

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

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

.genre-entry {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}

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

.entry-name {
  font-weight: 700;
}

.entry-summary {
  color: var(--ink-soft);
  font-size: 14px;
}

.genre-organize,
.genre-collection,
.genre-nav-block {
  margin-bottom: 44px;
}

.organize-body p,
.collection-body p {
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

.organize-body p + p,
.collection-body p + p {
  margin-top: 12px;
}

.page-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-link-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  font-size: 15px;
}

.page-link-item a:hover,
.page-link-item a:focus-visible {
  border-color: var(--seal);
  color: var(--seal);
}

/* --------------------------------------------------------------------------
   pages：最近更新
   -------------------------------------------------------------------------- */
.updates-archive {
  margin-bottom: 48px;
}

.update-group {
  border-top: 1px solid var(--line);
  padding: 22px 0 8px;
}

.update-group-title {
  font-size: 17px;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.group-index {
  font-size: 13px;
  color: var(--seal);
}

.updates-archive .update-list {
  display: flex;
  flex-direction: column;
}

.updates-archive .update-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
  align-items: start;
}

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

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

.update-name {
  font-size: 16px;
}

.update-meta {
  margin-top: 5px;
  font-size: 13px;
  color: var(--seal);
}

.update-summary {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: var(--reading);
}

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

.updates-figure {
  margin: 18px 0;
  max-width: 520px;
}

.updates-figure img {
  aspect-ratio: 16 / 9;
}

.updates-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

.updates-reading p {
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

.updates-reading p + p {
  margin-top: 12px;
}

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

.genre-jump-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.genre-jump-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
}

.genre-jump-item a {
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}

.genre-jump-item a:hover,
.genre-jump-item a:focus-visible {
  border-bottom-color: var(--seal);
}

.genre-jump-note {
  font-size: 13px;
  color: var(--ink-soft);
}

.page-crosslinks {
  margin-bottom: 16px;
}

.crosslink-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

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

.crosslink-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 700;
}

.crosslink-note {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages：榜单排行
   -------------------------------------------------------------------------- */
.ranking-section {
  margin-bottom: 48px;
}

.ranking-board {
  border-top: 1px solid var(--line);
  padding: 24px 0 8px;
}

.board-head {
  margin-bottom: 16px;
}

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

.board-hint {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: var(--reading);
}

.board-list {
  display: flex;
  flex-direction: column;
}

.board-item {
  display: grid;
  grid-template-columns: 40px 88px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

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

.board-rank {
  font-size: 15px;
  color: var(--seal);
  padding-top: 4px;
}

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

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

.board-name {
  font-size: 16px;
}

.board-desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: var(--reading);
}

.board-tag {
  margin-top: 8px;
  font-size: 13px;
  color: var(--seal);
}

.ranking-rule-section,
.ranking-genre-section,
.ranking-nav-section {
  margin-bottom: 44px;
}

.rule-body p {
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

.rule-list {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rule-item {
  font-size: 15px;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}

.rule-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background-color: var(--seal);
}

.rule-name {
  color: var(--ink);
}

.ranking-genre-body > p {
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

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

.ranking-genre-col {
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  min-width: 0;
}

.sub-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.ranking-genre-col p {
  font-size: 14px;
  color: var(--ink-soft);
}

.jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.jump-item a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  font-size: 15px;
}

.jump-item a:hover,
.jump-item a:focus-visible {
  border-color: var(--seal);
  color: var(--seal);
}

/* --------------------------------------------------------------------------
   pages：阅读说明
   -------------------------------------------------------------------------- */
.page-layout {
  display: block;
}

.page-layout section {
  margin-bottom: 44px;
}

.guide-overview .guide-text,
.guide-fields .section-desc,
.guide-browse .section-desc,
.guide-scope .section-desc,
.guide-feedback .section-desc {
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

.guide-figure {
  margin: 18px 0;
  max-width: 620px;
}

.guide-figure img {
  aspect-ratio: 16 / 9;
}

.guide-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

.guide-text {
  max-width: var(--reading);
  color: var(--ink-soft);
  font-size: 15px;
}

.guide-text + .guide-text {
  margin-top: 12px;
}

.guide-text a {
  color: var(--seal);
  border-bottom: 1px solid rgba(163, 58, 46, 0.35);
}

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

.field-table {
  width: 100%;
  max-width: var(--reading);
  border-collapse: collapse;
  margin-top: 18px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-table-caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-size: 14px;
  color: var(--ink-soft);
}

.field-table th,
.field-table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 16px;
  font-size: 15px;
  border-bottom: 1px solid var(--line);
}

.field-table thead th {
  background-color: var(--sand);
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 700;
}

.field-table tbody th {
  width: 34%;
  font-weight: 700;
}

.field-table tbody td {
  color: var(--ink-soft);
}

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

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

.browse-card {
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  min-width: 0;
  transition: border-color 0.18s ease;
}

.browse-card:hover {
  border-color: var(--seal);
}

.browse-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.browse-text {
  font-size: 14px;
  color: var(--ink-soft);
}

.browse-text a {
  color: var(--seal);
}

.browse-text a:hover,
.browse-text a:focus-visible {
  color: var(--ink);
}

.guide-browse .guide-text {
  margin-top: 18px;
}

.scope-columns {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.scope-col {
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}

.scope-title {
  font-size: 16px;
  margin-bottom: 12px;
}

.scope-col-do .scope-title {
  color: var(--seal);
}

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

.scope-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-soft);
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background-color: var(--line);
}

.scope-col-do .scope-list li::before {
  background-color: var(--seal);
}

.guide-scope .guide-text {
  margin-top: 18px;
}

.feedback-panel {
  margin-top: 18px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  max-width: var(--reading);
}

.feedback-title {
  font-size: 16px;
  margin-bottom: 12px;
}

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

.feedback-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-soft);
}

.feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background-color: var(--seal);
}

.feedback-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ink-soft);
}

.feedback-note a {
  color: var(--seal);
  border-bottom: 1px solid rgba(163, 58, 46, 0.35);
}

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

.related-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.related-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  font-size: 15px;
}

.related-item a:hover,
.related-item a:focus-visible {
  border-color: var(--seal);
  color: var(--seal);
}

/* --------------------------------------------------------------------------
   pages：404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 72px 24px;
}

.error-inner {
  max-width: 560px;
  text-align: left;
}

.error-code {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--seal);
  margin-bottom: 12px;
}

.error-title {
  font-size: 28px;
}

.error-desc {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 16px;
}

.error-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
  font-size: 15px;
}

.error-link:hover,
.error-link:focus-visible {
  border-color: var(--seal);
  color: var(--seal);
}

/* --------------------------------------------------------------------------
   responsive：900px 与 600px 断点
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    margin-left: 0;
    width: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 8px 0 14px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list a {
    padding: 12px 10px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding: 36px 24px 42px;
  }

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

  .hero-media {
    order: 0;
  }

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

  .cover-card,
  .cover-card-featured {
    grid-column: span 2;
  }

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

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

  .ranking-columns .ranking-card:last-child {
    grid-column: span 2;
  }

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

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

  .ranking-genre-columns .ranking-genre-col:last-child {
    grid-column: span 2;
  }

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

  .browse-paths .browse-card:last-child {
    grid-column: span 2;
  }

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

  .genre-block-body {
    grid-template-columns: 160px minmax(0, 1fr);
  }

  .board-item {
    grid-template-columns: 34px 76px minmax(0, 1fr);
    gap: 14px;
  }
}

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

  .header-inner {
    padding: 0 16px;
  }

  .section-inner,
  .inner-main,
  .footer-inner,
  .hero-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

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

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

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

  .genre-index-section,
  .cover-wall-section,
  .updates-section,
  .ranking-preview-section,
  .guide-summary-section {
    padding: 38px 0;
  }

  .page-index-section {
    padding-bottom: 42px;
  }

  .genre-index-row {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    padding: 16px 0;
  }

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

  .cover-card,
  .cover-card-featured {
    grid-column: span 1;
  }

  .cover-card-featured .cover-media img,
  .cover-media img {
    aspect-ratio: 3 / 4;
  }

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

  .update-row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 10px;
  }

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

  .ranking-columns .ranking-card:last-child {
    grid-column: auto;
  }

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

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

  .footer-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 18px;
  }

  .genre-block-head {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 4px 12px;
  }

  .genre-block-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .genre-thumb {
    max-width: 200px;
  }

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

  .updates-archive .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

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

  .crosslink-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .board-item {
    grid-template-columns: 30px 64px minmax(0, 1fr);
    gap: 12px;
  }

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

  .ranking-genre-columns .ranking-genre-col:last-child {
    grid-column: auto;
  }

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

  .browse-paths .browse-card:last-child {
    grid-column: auto;
  }

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

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

  .field-table th,
  .field-table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  .field-table tbody th {
    width: 40%;
  }

  .feedback-panel {
    padding: 18px;
  }

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

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

  .back-to-top {
    right: 14px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}