/* ==========================================================================
   51漫画网官网 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. base
   -------------------------------------------------------------------------- */

:root {
  --bg-page: #f6faf9;
  --bg-surface: #ffffff;
  --text-main: #193033;
  --text-sub: #5f7478;
  --brand-teal: #176b6f;
  --brand-teal-dark: #10565a;
  --mint: #e0f3ef;
  --accent-blue: #2f6f8f;
  --sand: #f3ecdf;
  --line: #cfe0dd;
  --warn: #b85c45;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-soft: 0 1px 2px rgba(25, 48, 51, 0.05);
  --shadow-hover: 0 6px 18px rgba(25, 48, 51, 0.10);
  --container: 1120px;
  --font-stack: "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.site-body,
body.site-home,
body.site-inner,
body.site-error {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

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

a:hover,
a:focus-visible {
  color: var(--brand-teal-dark);
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--text-main);
  font-weight: 650;
  line-height: 1.35;
}

p {
  margin: 0 0 14px;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--brand-teal);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: top 0.18s ease;
}

.skip-link:focus {
  top: 12px;
  color: #fff;
}

/* --------------------------------------------------------------------------
   2. layout
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.site-main {
  display: block;
}

.inner-main {
  padding-bottom: 8px;
}

.section {
  padding: 44px 0;
}

.section + .section {
  padding-top: 8px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.section-head h2 {
  font-size: 24px;
  line-height: 1.4;
}

.section-desc {
  flex: 1 1 320px;
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.section-more {
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-teal);
  border-bottom: 1px solid transparent;
}

.section-more:hover {
  border-bottom-color: var(--brand-teal);
}

/* 内页统一骨架：面包屑 + 页面标题区 */

.inner-main > .breadcrumb,
.inner-main > .page-header,
.inner-main > .page-title-section,
.inner-main > .page-title,
.inner-main > .page-title-area,
.inner-main > .page-head,
.inner-main > .page-hero {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding-top: 18px;
  font-size: 13px;
  color: var(--text-sub);
}

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

.breadcrumb a:hover {
  color: var(--brand-teal);
}

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

.breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}

.page-header {
  padding-top: 14px;
  padding-bottom: 0;
}

.page-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 650;
  color: var(--text-main);
  padding-top: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-lead {
  margin: 0;
  padding-top: 16px;
  color: var(--text-sub);
  font-size: 17px;
  line-height: 1.75;
  max-width: 860px;
}

.page-scope {
  margin: 8px 0 0;
  color: var(--text-sub);
  font-size: 14px;
}

.page-title-section {
  padding-bottom: 4px;
}

.page-title-area {
  padding-bottom: 4px;
}

.page-head {
  padding-bottom: 4px;
}

/* 表格通用容器 */

.table-wrap,
.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --------------------------------------------------------------------------
   3. components
   -------------------------------------------------------------------------- */

/* 3.1 页头与主导航 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: var(--container);
  height: 72px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 650;
  color: var(--brand-teal);
  white-space: nowrap;
}

.brand:hover {
  color: var(--brand-teal-dark);
}

.main-nav.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.site-nav > ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav > ul > li {
  position: relative;
}

.site-nav > ul > li > a {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.site-nav > ul > li > a:hover {
  background: var(--mint);
  color: var(--brand-teal);
}

.site-nav > ul > li > a.is-current {
  color: var(--brand-teal);
  font-weight: 650;
  background: var(--mint);
}

.has-menu > a::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 120;
  min-width: 168px;
  padding: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  display: none;
}

.has-menu.is-open .sub-menu,
.has-menu:hover .sub-menu,
.has-menu:focus-within .sub-menu {
  display: block;
}

.sub-menu li a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
}

.sub-menu li a:hover,
.sub-menu li a:focus-visible {
  background: var(--mint);
  color: var(--brand-teal);
}

/* 3.2 移动导航按钮与面板 */

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

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

.mobile-nav {
  display: none;
  background: var(--bg-surface);
  border-top: 1px solid var(--line);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav > ul {
  max-width: var(--container);
  margin: 0 auto;
  padding: 6px 24px 14px;
}

.mobile-nav > ul > li > a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 15px;
}

.mobile-nav > ul > li > a.is-current {
  color: var(--brand-teal);
  font-weight: 650;
  background: var(--mint);
}

/* 3.3 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;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--brand-teal-dark);
  border-color: var(--brand-teal-dark);
  color: #fff;
}

.btn-ghost {
  background: var(--bg-surface);
  color: var(--brand-teal);
  border-color: var(--line);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--mint);
  border-color: var(--brand-teal);
  color: var(--brand-teal-dark);
}

/* 3.4 信息表 */

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.info-table caption {
  padding: 0 0 10px;
  color: var(--text-sub);
  font-size: 13px;
  text-align: left;
}

.info-table th,
.info-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}

.info-table thead th {
  background: var(--sand);
  color: var(--text-main);
  font-weight: 650;
  font-size: 14px;
  white-space: nowrap;
}

.info-table tbody th {
  width: 28%;
  min-width: 110px;
  background: #fbfdfc;
  color: var(--text-main);
  font-weight: 600;
}

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

/* 3.5 页脚 */

.site-footer {
  margin-top: 48px;
  padding: 36px 0 26px;
  background: var(--bg-surface);
  border-top: 1px solid var(--line);
  color: var(--text-sub);
  font-size: 14px;
}

.footer-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.back-to-main {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.back-to-main a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--brand-teal);
  font-weight: 600;
}

.back-to-main a::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--brand-teal);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding: 26px 0;
}

.footer-col h2 {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 650;
  color: var(--text-main);
}

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

.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: var(--text-sub);
}

.footer-col ul li a:hover {
  color: var(--brand-teal);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-sub);
}

.footer-brand {
  margin: 0;
  color: var(--text-main);
  font-weight: 650;
}

.footer-scope {
  margin: 0;
}

/* --------------------------------------------------------------------------
   4. pages
   -------------------------------------------------------------------------- */

/* 4.1 首页 */

.home-main {
  padding-bottom: 8px;
}

/* 首屏 */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 40px;
  align-items: start;
  max-width: var(--container);
  margin: 0 auto;
  padding: 44px 24px 12px;
}

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

.hero-kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  background: var(--mint);
  border-radius: 999px;
  color: var(--brand-teal);
  font-size: 13px;
  font-weight: 600;
}

.hero-copy h1 {
  font-size: 38px;
  line-height: 1.28;
  margin-bottom: 16px;
}

.hero-lead {
  max-width: 560px;
  margin-bottom: 22px;
  color: var(--text-sub);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags li a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-main);
  font-size: 14px;
}

.hero-tags li a:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
  background: var(--mint);
}

.hero-visual {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-figure {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.hero-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 10px 14px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
}

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

.hero-thumbs .thumb {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* 编辑精选封面墙 */

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

.pick-column {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.pick-column:hover {
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-hover);
}

.pick-cover {
  margin-bottom: 14px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--mint);
}

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

.pick-column h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.5;
}

.pick-note {
  margin-bottom: 12px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.pick-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}

.pick-meta > div {
  display: flex;
  gap: 6px;
}

.pick-meta dt {
  color: var(--text-sub);
}

.pick-meta dd {
  margin: 0;
  color: var(--text-main);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.pick-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-teal);
}

.pick-link:hover {
  text-decoration: underline;
}

/* 题材快捷入口 */

.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.genre-tile {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand-teal);
  border-radius: var(--radius);
}

.genre-tile h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.5;
}

.genre-tile p {
  margin-bottom: 14px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.genre-tile a {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
}

.genre-tile a:hover {
  text-decoration: underline;
}

/* 最近更新 */

.update-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.batch-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: sticky;
  top: 88px;
}

.batch-tab {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.batch-tab.is-active {
  background: var(--brand-teal);
  border-color: var(--brand-teal);
  color: #fff;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.update-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.update-item:hover {
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-soft);
}

.update-item img {
  flex: 0 0 auto;
  width: 56px;
  height: 74px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--mint);
}

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

.update-body h3 {
  margin-bottom: 4px;
  font-size: 16px;
  line-height: 1.5;
}

.update-meta {
  margin: 0;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}

/* 本周漫画关注榜 */

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

.rank-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 220px) minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
}

.rank-num {
  color: var(--brand-teal);
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.rank-name {
  font-size: 17px;
  line-height: 1.5;
}

.rank-name a {
  color: var(--text-main);
}

.rank-name a:hover {
  color: var(--brand-teal);
}

.rank-reason {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.rank-link {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.rank-link:hover {
  text-decoration: underline;
}

/* 阅读提示 */

.reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 30px;
  align-items: start;
}

.reading-note {
  min-width: 0;
  padding: 20px;
  background: var(--mint);
  border-left: 3px solid var(--brand-teal);
  border-radius: var(--radius);
}

.reading-note p {
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.75;
}

.reading-note p:last-of-type {
  margin-bottom: 14px;
}

.reading-link {
  font-size: 14px;
  font-weight: 600;
}

.reading-link:hover {
  text-decoration: underline;
}

/* 站点说明入口 */

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

.about-col {
  min-width: 0;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.about-col h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.5;
}

.about-col p {
  margin: 0;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.about-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
}

.about-link:hover {
  text-decoration: underline;
}

/* 4.2 漫画目录 */

.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-top: 26px;
  padding-bottom: 8px;
}

.catalog-toolbar {
  padding-top: 22px;
  padding-bottom: 4px;
}

.genre-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  min-height: 40px;
  padding: 0 16px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.filter-btn:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
}

.filter-btn.is-active {
  background: var(--brand-teal);
  border-color: var(--brand-teal);
  color: #fff;
  font-weight: 600;
}

.catalog-aside {
  min-width: 0;
  position: sticky;
  top: 88px;
  padding: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-title {
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 650;
}

.anchor-index ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.anchor-index ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 40px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
}

.anchor-index ul li a:hover {
  background: var(--mint);
  color: var(--brand-teal);
}

.anchor-count {
  color: var(--text-sub);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.aside-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.aside-note h3 {
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 650;
}

.aside-note p {
  margin: 0;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.7;
}

.aside-note p a {
  font-weight: 600;
}

.catalog-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.genre-group {
  min-width: 0;
  scroll-margin-top: 88px;
}

.group-head {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.group-head h2 {
  margin-bottom: 6px;
  font-size: 22px;
  line-height: 1.4;
}

.group-desc {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

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

.entry-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.entry-card:hover {
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-hover);
}

.entry-cover {
  background: var(--mint);
}

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

.entry-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 14px;
}

.entry-title {
  margin-bottom: 6px;
  font-size: 16px;
  line-height: 1.5;
}

.entry-note {
  margin-bottom: 10px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.65;
}

.entry-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0 0 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
}

.entry-fields > div {
  display: flex;
  gap: 5px;
}

.entry-fields dt {
  color: var(--text-sub);
}

.entry-fields dd {
  margin: 0;
  color: var(--text-main);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.entry-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
}

.entry-link:hover {
  text-decoration: underline;
}

.field-guide {
  min-width: 0;
  padding-top: 8px;
}

.field-guide h2 {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.4;
}

.field-guide-lead {
  margin-bottom: 16px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

/* 4.3 编辑推荐 */

.pick-conclusion {
  padding: 26px 0 8px;
}

.conclusion-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand-teal);
  border-radius: var(--radius);
}

.conclusion-copy {
  flex: 1 1 420px;
  min-width: 0;
}

.conclusion-copy h2 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.45;
}

.conclusion-copy p {
  margin: 0;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.conclusion-links {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.booklist {
  padding: 34px 0 8px;
}

.booklist-head {
  margin-bottom: 20px;
}

.booklist-tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  background: var(--mint);
  border-radius: 999px;
  color: var(--brand-teal);
  font-size: 12px;
  font-weight: 600;
}

.booklist-head h2 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.4;
}

.booklist-desc {
  margin: 0;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  max-width: 820px;
}

.booklist-media {
  margin-bottom: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.booklist-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.booklist-media figcaption {
  padding: 10px 16px;
  color: var(--text-sub);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.booklist-body {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.book-main,
.book-side {
  display: flex;
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.book-main {
  gap: 16px;
  padding: 16px;
}

.book-side {
  flex-direction: column;
}

.book-cover {
  flex: 0 0 auto;
  background: var(--mint);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.book-main .book-cover {
  width: 128px;
}

.book-side .book-cover {
  width: 100%;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.book-side .book-cover img {
  aspect-ratio: 16 / 9;
}

.book-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0;
}

.book-side .book-info {
  flex: 1 1 auto;
  padding: 14px;
}

.book-label {
  margin: 0 0 6px;
  color: var(--brand-teal);
  font-size: 12px;
  font-weight: 600;
}

.book-info h3 {
  margin-bottom: 6px;
  font-size: 17px;
  line-height: 1.5;
}

.book-note {
  margin-bottom: 10px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.book-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0 0 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}

.book-fields > div {
  display: flex;
  gap: 5px;
}

.book-fields dt {
  color: var(--text-sub);
}

.book-fields dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.book-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
}

.book-link:hover {
  text-decoration: underline;
}

.booklist-alt .booklist-media img {
  aspect-ratio: 21 / 9;
}

.selection-principles {
  padding: 34px 0 8px;
}

.selection-principles h2,
.cross-links h2 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.4;
}

.selection-principles .section-desc,
.cross-links .section-desc {
  margin-bottom: 18px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
}

.cross-links {
  padding: 34px 0 8px;
}

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

.cross-list li a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 100%;
  padding: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.cross-list li a:hover {
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-soft);
}

.cross-name {
  color: var(--brand-teal);
  font-size: 16px;
  font-weight: 650;
}

.cross-desc {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

/* 4.4 更新归档 */

.page-title {
  scroll-margin-top: 88px;
}

.stage-nav-section {
  padding: 26px 0 8px;
}

.section-title {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.4;
}

.section-intro {
  margin-bottom: 18px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  max-width: 820px;
}

.stage-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stage-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.stage-link:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
  background: var(--mint);
}

.stage-link[aria-current="true"],
.stage-link.is-current {
  background: var(--brand-teal);
  border-color: var(--brand-teal);
  color: #fff;
}

.batch-list-section {
  padding: 30px 0 8px;
}

.batch {
  margin-bottom: 26px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 88px;
}

.batch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.batch-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 28px;
  padding: 0 10px;
  background: var(--mint);
  border-radius: 999px;
  color: var(--brand-teal);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.batch-head h3 {
  font-size: 19px;
  line-height: 1.45;
}

.batch-desc {
  flex: 1 1 260px;
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

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

.batch-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #fbfdfc;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.batch-cover {
  background: var(--mint);
}

.batch-cover img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.batch-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 12px 14px 14px;
}

.batch-item-title {
  margin-bottom: 6px;
  font-size: 16px;
  line-height: 1.5;
}

.batch-item-note {
  margin-bottom: 10px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.65;
}

.batch-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
}

.batch-more {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
}

.batch-more:hover {
  text-decoration: underline;
}

.archive-fields-section {
  padding: 30px 0 8px;
}

.next-steps-section {
  padding: 30px 0 8px;
}

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

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

.next-step h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.5;
}

.next-step h3 a {
  color: var(--text-main);
}

.next-step h3 a:hover {
  color: var(--brand-teal);
}

.next-step p {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

/* 4.5 题材图鉴 */

.genre-intro {
  padding: 26px 0 8px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

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

.intro-copy h2 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.4;
}

.intro-copy p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.intro-links li a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}

.intro-links li a:hover {
  border-color: var(--brand-teal);
  background: var(--mint);
}

.intro-figure {
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.intro-figure figcaption {
  padding: 10px 14px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
}

.genre-chapters {
  padding: 30px 0 8px;
}

.genre-chapters > .container > h2 {
  margin-bottom: 18px;
  font-size: 24px;
  line-height: 1.4;
}

.genre-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 22px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 88px;
}

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

.genre-media figure {
  background: var(--mint);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

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

.genre-media figcaption {
  padding: 10px 12px;
  background: var(--bg-surface);
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
}

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

.genre-body h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.45;
}

.genre-define,
.genre-reader {
  margin-bottom: 10px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.field-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  background: var(--mint);
  border-radius: var(--radius-sm);
  color: var(--brand-teal);
  font-size: 12px;
  font-weight: 600;
}

.genre-entries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.genre-entries li {
  min-width: 0;
}

.genre-entries li .entry-title {
  margin-bottom: 4px;
  font-size: 15px;
}

.genre-entries li .entry-meta {
  margin: 0 0 6px;
  color: var(--text-sub);
  font-size: 12px;
  line-height: 1.6;
}

.genre-entries li a {
  font-size: 13px;
  font-weight: 600;
}

.genre-entries li a:hover {
  text-decoration: underline;
}

.genre-cross {
  padding: 30px 0 8px;
}

.genre-cross h2,
.reading-paths h2 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.4;
}

.section-lead {
  margin-bottom: 18px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  max-width: 820px;
}

.cross-table td,
.cross-table th {
  font-size: 14px;
}

.reading-paths {
  padding: 30px 0 8px;
}

.path-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.path-links li a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 0 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
}

.path-links li a:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
  background: var(--mint);
}

/* 4.6 阅读指南 */

.guide-conclusion {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 30px 24px 8px;
}

.guide-conclusion .conclusion-copy {
  min-width: 0;
}

.guide-conclusion .conclusion-copy h2 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.45;
}

.guide-conclusion .conclusion-copy p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.conclusion-figure {
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.conclusion-figure figcaption {
  padding: 10px 14px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
}

.guide-setup,
.guide-batch,
.guide-faq,
.guide-links {
  max-width: 960px;
  margin: 0 auto;
  padding: 30px 24px 8px;
}

.guide-setup h2,
.guide-batch h2,
.guide-faq h2,
.guide-links h2 {
  margin-bottom: 16px;
  font-size: 24px;
  line-height: 1.4;
}

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

.setup-col {
  min-width: 0;
  padding: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand-teal);
  border-radius: var(--radius);
}

.setup-col h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.5;
}

.setup-col p {
  margin-bottom: 10px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

.setup-col ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.setup-col ul li {
  position: relative;
  padding-left: 16px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.setup-col ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
}

.section-note {
  margin-bottom: 16px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}

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

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 12px 18px;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--brand-teal);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
  background: var(--mint);
  border-color: var(--brand-teal);
}

.faq-item summary:hover {
  color: var(--brand-teal);
}

.faq-item p {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

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

.link-cards li a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 100%;
  padding: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.link-cards li a:hover {
  border-color: var(--brand-teal);
  box-shadow: var(--shadow-soft);
}

.link-title {
  color: var(--brand-teal);
  font-size: 16px;
  font-weight: 650;
}

.link-desc {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

/* 4.7 站点说明 */

.about-position {
  padding: 26px 0 8px;
}

.about-position-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.about-position-copy {
  min-width: 0;
}

.about-position-copy h2 {
  margin-bottom: 10px;
  font-size: 24px;
  line-height: 1.4;
}

.about-position-copy p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.about-figure {
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.about-figure figcaption {
  padding: 10px 14px;
  color: var(--text-sub);
  font-size: 13px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
}

.about-columns {
  padding: 30px 0 8px;
}

.about-columns > .container > h2,
.about-scope h2,
.about-rights h2,
.related-entry h2 {
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.4;
}

.about-columns .section-lead,
.about-scope .section-lead {
  margin-bottom: 18px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  max-width: 820px;
}

.column-relation-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  counter-reset: colrel;
}

.column-relation-list li {
  position: relative;
  min-width: 0;
  padding: 18px 18px 18px 52px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: colrel;
}

.column-relation-list li::before {
  content: counter(colrel, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 18px;
  color: var(--brand-teal);
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.column-relation-list li h3 {
  margin-bottom: 6px;
  font-size: 16px;
  line-height: 1.5;
}

.column-relation-list li h3 a {
  color: var(--text-main);
}

.column-relation-list li h3 a:hover {
  color: var(--brand-teal);
}

.column-relation-list li p {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

.about-scope {
  padding: 30px 0 8px;
}

.about-scope .table-wrap {
  background: var(--bg-surface);
  border-radius: var(--radius);
}

.about-rights {
  padding: 30px 0 8px;
}

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

.rights-col {
  min-width: 0;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius);
}

.rights-col h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.5;
}

.rights-col p {
  margin-bottom: 10px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
}

.rights-col p:last-child {
  margin-bottom: 0;
}

.related-entry {
  padding: 30px 0 8px;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.related-links li a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 0 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
}

.related-links li a:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
  background: var(--mint);
}

/* 4.8 404 */

.error-main {
  padding: 56px 24px 24px;
}

.error-panel {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 28px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.error-code {
  margin: 0 0 8px;
  color: var(--brand-teal);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.error-panel h1 {
  margin-bottom: 12px;
  font-size: 30px;
  line-height: 1.35;
}

.error-lead {
  margin-bottom: 22px;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.75;
}

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

.error-paths {
  max-width: 720px;
  margin: 30px auto 0;
}

.error-paths h2 {
  margin-bottom: 14px;
  font-size: 20px;
  line-height: 1.45;
}

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

.error-paths ul li a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
}

.error-paths ul li a:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
  background: var(--mint);
}

/* --------------------------------------------------------------------------
   5. responsive
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .container {
    padding: 0 20px;
  }

  .header-inner {
    padding: 0 20px;
  }

  .main-nav.site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .inner-main > .breadcrumb,
  .inner-main > .page-header,
  .inner-main > .page-title-section,
  .inner-main > .page-title,
  .inner-main > .page-title-area,
  .inner-main > .page-head,
  .inner-main > .page-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 32px 20px 8px;
  }

  .hero-copy h1 {
    font-size: 32px;
  }

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

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

  .update-layout {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 20px;
  }

  .rank-row {
    grid-template-columns: 44px minmax(0, 180px) minmax(0, 1fr) auto;
    gap: 12px;
  }

  .reading-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .page-layout.sidebar-left {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 22px;
  }

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

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

  .book-main {
    grid-column: 1 / -1;
  }

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

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

  .next-steps .next-step:last-child {
    grid-column: 1 / -1;
  }

  .intro-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .genre-section {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: 18px;
  }

  .guide-conclusion {
    grid-template-columns: minmax(0, 1fr);
    padding-left: 20px;
    padding-right: 20px;
  }

  .guide-setup,
  .guide-batch,
  .guide-faq,
  .guide-links {
    padding-left: 20px;
    padding-right: 20px;
  }

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

  .setup-col:last-child {
    grid-column: 1 / -1;
  }

  .about-position-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

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

  .footer-cols {
    gap: 22px;
  }
}

@media (max-width: 640px) {
  body.site-body,
  body.site-home,
  body.site-inner,
  body.site-error {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .brand {
    font-size: 18px;
  }

  .mobile-nav > ul {
    padding: 6px 16px 14px;
  }

  .inner-main > .breadcrumb,
  .inner-main > .page-header,
  .inner-main > .page-title-section,
  .inner-main > .page-title,
  .inner-main > .page-title-area,
  .inner-main > .page-head,
  .inner-main > .page-hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  .breadcrumb {
    padding-top: 14px;
    font-size: 12px;
  }

  .page-title {
    font-size: 26px;
    line-height: 1.32;
    padding-top: 2px;
    padding-bottom: 10px;
  }

  .page-lead {
    font-size: 15px;
    padding-top: 12px;
  }

  .section {
    padding: 30px 0;
  }

  .section-head {
    gap: 4px 12px;
    margin-bottom: 16px;
    padding-bottom: 10px;
  }

  .section-head h2 {
    font-size: 20px;
  }

  .section-desc {
    flex: 1 1 100%;
    font-size: 13px;
  }

  .section-title,
  .selection-principles h2,
  .cross-links h2,
  .genre-cross h2,
  .reading-paths h2,
  .about-columns > .container > h2,
  .about-scope h2,
  .about-rights h2,
  .related-entry h2,
  .genre-chapters > .container > h2,
  .guide-setup h2,
  .guide-batch h2,
  .guide-faq h2,
  .guide-links h2 {
    font-size: 20px;
  }

  /* 首页 */

  .hero {
    padding: 24px 16px 4px;
    gap: 22px;
  }

  .hero-copy h1 {
    font-size: 27px;
    line-height: 1.32;
    margin-bottom: 12px;
  }

  .hero-lead {
    font-size: 15px;
    margin-bottom: 18px;
  }

  .hero-actions {
    gap: 10px;
    margin-bottom: 18px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    padding: 0 16px;
  }

  .hero-thumbs {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .hero-thumbs .thumb {
    flex: 0 0 62%;
    max-width: 240px;
  }

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

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

  .genre-tile {
    padding: 14px;
  }

  .genre-tile h3 {
    font-size: 16px;
  }

  .genre-tile p {
    font-size: 13px;
  }

  .update-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .batch-tabs {
    flex-direction: row;
    position: static;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .batch-tab {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 14px;
    white-space: nowrap;
  }

  .update-item {
    padding: 12px;
    gap: 12px;
  }

  .update-item img {
    width: 48px;
    height: 64px;
  }

  .rank-row {
    grid-template-columns: 40px minmax(0, 1fr);
    grid-template-areas:
      "num name"
      "num reason"
      "num link";
    gap: 4px 12px;
    padding: 14px 2px;
  }

  .rank-num {
    grid-area: num;
    align-self: start;
    font-size: 18px;
    padding-top: 2px;
  }

  .rank-name {
    grid-area: name;
    font-size: 16px;
  }

  .rank-reason {
    grid-area: reason;
    font-size: 13px;
  }

  .rank-link {
    grid-area: link;
    font-size: 13px;
    padding-top: 4px;
  }

  .reading-layout {
    gap: 16px;
  }

  .reading-note {
    padding: 16px;
  }

  .about-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

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

  .info-table tbody th {
    width: 34%;
    min-width: 88px;
  }

  /* 目录 */

  .catalog-toolbar {
    padding-top: 16px;
  }

  .genre-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    gap: 8px;
  }

  .filter-btn {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 14px;
    white-space: nowrap;
  }

  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding-top: 18px;
  }

  .catalog-aside {
    position: static;
    padding: 14px;
  }

  .anchor-index ul {
    flex-direction: row;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .anchor-index ul li {
    flex: 0 0 auto;
  }

  .anchor-index ul li a {
    min-height: 40px;
    padding: 0 14px;
    background: #fbfdfc;
    border: 1px solid var(--line);
    border-radius: 999px;
    white-space: nowrap;
  }

  .aside-note {
    margin-top: 12px;
    padding-top: 12px;
  }

  .entry-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .entry-card {
    flex-direction: row;
  }

  .entry-cover {
    flex: 0 0 104px;
  }

  .entry-cover img {
    aspect-ratio: 3 / 4;
    height: 100%;
  }

  .entry-body {
    padding: 12px;
  }

  .catalog-main {
    gap: 24px;
  }

  /* 编辑推荐 */

  .pick-conclusion {
    padding: 18px 0 4px;
  }

  .conclusion-inner {
    padding: 16px;
    gap: 14px;
  }

  .conclusion-copy h2 {
    font-size: 18px;
  }

  .conclusion-links {
    width: 100%;
  }

  .conclusion-links .btn {
    flex: 1 1 auto;
    padding: 0 14px;
  }

  .booklist {
    padding: 24px 0 4px;
  }

  .booklist-head h2 {
    font-size: 20px;
  }

  .booklist-desc {
    font-size: 14px;
  }

  .booklist-media img {
    aspect-ratio: 16 / 10;
  }

  .booklist-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .book-main {
    grid-column: auto;
    flex-direction: column;
    gap: 12px;
  }

  .book-main .book-cover {
    width: 100%;
  }

  .book-main .book-cover img {
    aspect-ratio: 16 / 10;
  }

  .book-side .book-cover img {
    aspect-ratio: 16 / 9;
  }

  .book-side .book-info {
    padding: 12px 14px 14px;
  }

  .selection-principles,
  .cross-links {
    padding: 24px 0 4px;
  }

  .cross-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* 更新归档 */

  .stage-nav-section {
    padding: 18px 0 4px;
  }

  .stage-nav ul {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
    gap: 8px;
  }

  .stage-nav ul li {
    flex: 0 0 auto;
  }

  .stage-link {
    min-height: 40px;
    padding: 0 14px;
    white-space: nowrap;
  }

  .batch-list-section,
  .archive-fields-section,
  .next-steps-section {
    padding: 22px 0 4px;
  }

  .batch {
    padding: 14px;
    margin-bottom: 18px;
  }

  .batch-head {
    gap: 4px 10px;
    margin-bottom: 12px;
    padding-bottom: 10px;
  }

  .batch-head h3 {
    font-size: 17px;
  }

  .batch-desc {
    flex: 1 1 100%;
    font-size: 13px;
  }

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

  .batch-item {
    flex-direction: row;
  }

  .batch-cover {
    flex: 0 0 96px;
  }

  .batch-cover img {
    aspect-ratio: 3 / 4;
    height: 100%;
  }

  .batch-body {
    padding: 10px 12px 12px;
  }

  .next-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .next-steps .next-step:last-child {
    grid-column: auto;
  }

  /* 题材图鉴 */

  .genre-intro {
    padding: 18px 0 4px;
  }

  .intro-copy h2 {
    font-size: 20px;
  }

  .genre-chapters {
    padding: 22px 0 4px;
  }

  .genre-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 14px;
    margin-bottom: 16px;
  }

  .genre-media img {
    aspect-ratio: 16 / 10;
  }

  .genre-body h3 {
    font-size: 18px;
  }

  .genre-define,
  .genre-reader {
    font-size: 14px;
  }

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

  .genre-entries li {
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--line);
  }

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

  .genre-cross,
  .reading-paths {
    padding: 22px 0 4px;
  }

  .path-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* 阅读指南 */

  .guide-conclusion {
    padding: 20px 16px 4px;
    gap: 16px;
  }

  .guide-conclusion .conclusion-copy h2 {
    font-size: 19px;
  }

  .guide-setup,
  .guide-batch,
  .guide-faq,
  .guide-links {
    padding: 22px 16px 4px;
  }

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

  .setup-col:last-child {
    grid-column: auto;
  }

  .faq-item summary {
    min-height: 48px;
    padding: 12px 14px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 14px 14px;
    font-size: 14px;
  }

  .link-cards {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* 站点说明 */

  .about-position {
    padding: 18px 0 4px;
  }

  .about-position-copy h2 {
    font-size: 20px;
  }

  .about-columns,
  .about-scope,
  .about-rights,
  .related-entry {
    padding: 22px 0 4px;
  }

  .column-relation-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .column-relation-list li {
    padding: 14px 14px 14px 46px;
  }

  .column-relation-list li::before {
    left: 14px;
    top: 14px;
  }

  .rights-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .rights-col {
    padding: 16px;
  }

  .related-links {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* 404 */

  .error-main {
    padding: 32px 16px 16px;
  }

  .error-panel {
    padding: 24px 18px;
  }

  .error-code {
    font-size: 34px;
  }

  .error-panel h1 {
    font-size: 23px;
  }

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

  .error-paths ul {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* 页脚 */

  .site-footer {
    margin-top: 34px;
    padding: 26px 0 20px;
  }

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

  .back-to-main {
    gap: 8px 16px;
    padding-bottom: 16px;
  }

  .footer-cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0;
  }

  .footer-bottom {
    flex-direction: column;
    padding-top: 14px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}