:root {
  --bg-page: #f7f6f2;
  --bg-surface: #ffffff;
  --text-main: #232323;
  --text-sub: #64645c;
  --border-soft: #dcd8cf;
  --accent-main: #2f6b5e;
  --tone-orange: #d98c4a;
  --tone-blue: #6f9bb8;
  --tone-sage: #7f9d72;
  --tone-terracotta: #b96f52;
  --tone-lavender: #8f7fac;
  --tone-sand: #c6ad67;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --container: 1120px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* ==========================================================================
   base
   ========================================================================== */

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

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

body {
  margin: 0;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-stack);
  font-size: 15px;
  line-height: 1.75;
  font-weight: 400;
}

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

p {
  margin: 0;
}

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

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

a:hover,
a:focus {
  color: #24544a;
}

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

figure {
  margin: 0;
}

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

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

strong {
  font-weight: 600;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

/* ==========================================================================
   layout — 全站骨架
   ========================================================================== */

.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-soft);
}

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

.brand {
  flex: 0 0 auto;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0;
}

.brand:hover,
.brand:focus {
  color: var(--accent-main);
}

.primary-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.primary-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 20px;
  justify-content: flex-end;
}

.primary-nav a {
  display: inline-block;
  padding: 6px 2px;
  font-size: 14px;
  color: var(--text-sub);
  border-bottom: 2px solid transparent;
}

.primary-nav a:hover,
.primary-nav a:focus {
  color: var(--accent-main);
  border-bottom-color: var(--border-soft);
}

.primary-nav a.is-current {
  color: var(--accent-main);
  font-weight: 600;
  border-bottom-color: var(--accent-main);
}

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

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-main);
}

.site-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 56px;
}

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

.breadcrumb {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb a {
  color: var(--text-sub);
  font-size: 13px;
}

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

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

.breadcrumb-current {
  color: var(--text-main);
  font-size: 13px;
}

.page-header {
  margin-bottom: 14px;
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
}

.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-soft);
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 36px 24px 24px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 40px;
}

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

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

.footer-col a {
  font-size: 13px;
  color: var(--text-sub);
}

.footer-col a:hover,
.footer-col a:focus {
  color: var(--accent-main);
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* 通用页面布局：默认主内容在前、aside 在后 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 8px;
}

/* 左侧栏：aside 在前 */
.sidebar-left {
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar-left .genre-sidebar,
.sidebar-left .topic-index {
  order: 0;
}

.sidebar-left .works-field-table,
.sidebar-left .notes-main,
.sidebar-left .layout-content {
  order: 1;
}

.layout-shell {
  align-items: start;
}

/* ==========================================================================
   components — 通用模块
   ========================================================================== */

.section-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}

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

.section-desc {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 780px;
}

.section-lead,
.section-intro {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 780px;
  margin-bottom: 18px;
}

.sub-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background-color: #faf9f6;
  color: var(--text-sub);
  white-space: nowrap;
}

.tag-sage,
.topic-tag.tag-sage {
  border-color: #c3d3ba;
  background-color: #f0f4ec;
  color: #4d6b41;
}

.tag-fog {
  border-color: #bfd2de;
  background-color: #eef3f6;
  color: #3f6b85;
}

.tag-terracotta,
.topic-tag.tag-terracotta {
  border-color: #e0c1b4;
  background-color: #f8f0ec;
  color: #8f4f38;
}

.tag-lavender,
.topic-tag.tag-lavender {
  border-color: #cfc7dd;
  background-color: #f3f0f7;
  color: #655588;
}

.tag-amber {
  border-color: #e3d3a4;
  background-color: #f8f4e6;
  color: #8a7331;
}

.tag-sand {
  border-color: #ddd3bb;
  background-color: #f7f4ea;
  color: #7d6c3c;
}

.tag-blue,
.topic-tag.tag-blue {
  border-color: #bfd2de;
  background-color: #eef3f6;
  color: #3f6b85;
}

/* 表格滚动容器 */
.table-scroll {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  -webkit-overflow-scrolling: touch;
}

.table-scroll:focus-within {
  border-color: var(--accent-main);
}

/* 表格通用 */
.works-table,
.schedule-table,
.field-table {
  width: 100%;
  min-width: 640px;
  font-size: 14px;
}

.works-table th,
.works-table td,
.schedule-table th,
.schedule-table td,
.field-table th,
.field-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}

.works-table thead th,
.schedule-table thead th,
.field-table thead th {
  background-color: #f4f2ec;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
  white-space: nowrap;
}

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

.works-table tbody th,
.field-table tbody th,
.schedule-table tbody th {
  font-weight: 600;
  color: var(--text-main);
}

.works-table tbody tr:hover,
.schedule-table tbody tr:hover,
.field-table tbody tr:hover {
  background-color: #faf9f6;
}

/* 连载状态 */
.status {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  white-space: nowrap;
}

.status-ongoing {
  border-color: #c3d3ba;
  background-color: #f0f4ec;
  color: #4d6b41;
}

.status-done,
.status-completed {
  border-color: #bfd2de;
  background-color: #eef3f6;
  color: #3f6b85;
}

.status-hiatus,
.status-intermittent {
  border-color: #e0c1b4;
  background-color: #f8f0ec;
  color: #8f4f38;
}

.status-pending {
  border-color: #ddd3bb;
  background-color: #f7f4ea;
  color: #7d6c3c;
}

/* 图片容器 */
.content-media,
.table-figure,
.summary-figure,
.notes-figure,
.guide-figure,
.feature-media,
.genre-intro-media {
  overflow: hidden;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
}

.content-media img,
.table-figure img,
.summary-figure img,
.notes-figure img,
.guide-figure img,
.feature-media img,
.genre-intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.content-media figcaption,
.table-figure figcaption,
.summary-figure figcaption,
.notes-figure figcaption,
.guide-figure figcaption,
.genre-intro-media figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-sub);
  border-top: 1px solid var(--border-soft);
  background-color: #faf9f6;
}

/* 摘要卡 / 说明卡 */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.summary-card {
  padding: 16px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.summary-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.summary-card p {
  font-size: 14px;
  color: var(--text-sub);
}

/* 入口块 */
.entry-blocks,
.help-entries,
.extend-grid,
.catalog-entry-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.entry-block,
.help-entry,
.extend-block {
  display: block;
  padding: 16px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-main);
}

.entry-block:hover,
.entry-block:focus,
.help-entry:hover,
.help-entry:focus,
.extend-block:hover,
.extend-block:focus {
  border-color: var(--accent-main);
  background-color: #faf9f6;
  color: var(--text-main);
}

.entry-block h3,
.help-entry h3,
.extend-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.entry-block p,
.help-entry p,
.extend-desc {
  display: block;
  font-size: 14px;
  color: var(--text-sub);
}

/* 三级规则 / 步骤 */
.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.guide-step {
  padding: 16px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.guide-step h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.guide-step p {
  font-size: 14px;
  color: var(--text-sub);
}

.step-index {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 1px 8px;
}

/* FAQ 折叠 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 0 18px;
}

.faq-item summary {
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "＋";
  float: right;
  color: var(--text-sub);
  font-weight: 400;
}

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

.faq-item[open] summary {
  border-bottom: 1px solid var(--border-soft);
}

.faq-answer {
  padding: 12px 0 16px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
}

/* 时间线 */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-left: 2px solid var(--border-soft);
  padding-left: 18px;
}

.timeline-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--text-sub);
}

/* ==========================================================================
   pages — 首页
   ========================================================================== */

.scope-selector {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-soft);
}

.scope-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.scope-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
}

.scope-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scope-tab {
  padding: 6px 14px;
  min-height: 34px;
  font-size: 13px;
  color: var(--text-sub);
  background-color: #faf9f6;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}

.scope-tab:hover,
.scope-tab:focus {
  border-color: var(--accent-main);
  color: var(--accent-main);
}

.scope-tab.is-active {
  background-color: var(--accent-main);
  border-color: var(--accent-main);
  color: #ffffff;
  font-weight: 600;
}

.scope-current {
  flex: 1 1 100%;
  font-size: 13px;
  color: var(--text-sub);
}

.hero-data-table {
  margin-bottom: 48px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 32px;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
}

.hero-heading h1 {
  font-size: 34px;
  line-height: 1.32;
  margin-bottom: 12px;
}

.hero-lead {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 560px;
}

.hero-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.works-table-wrap {
  min-width: 0;
}

.works-table-wrap .section-title {
  margin-bottom: 12px;
}

.hero-side {
  padding: 20px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
}

.hero-side .section-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.hero-side > p {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 16px;
}

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

.field-note-list li {
  font-size: 14px;
  color: var(--text-sub);
  padding-left: 14px;
  position: relative;
}

.field-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-main);
}

.field-note-list strong {
  color: var(--text-main);
  margin-right: 4px;
}

.hero-side-link {
  margin-top: 16px;
  font-size: 14px;
}

.content-media-primary {
  margin-top: 32px;
}

.genre-scope,
.schedule-brief,
.notes-features,
.guide-brief,
.reading-boundary {
  margin-bottom: 48px;
}

.genre-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.genre-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-left-width: 4px;
  border-radius: var(--radius-md);
}

.genre-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.genre-card > p {
  font-size: 14px;
  color: var(--text-sub);
}

.genre-scope-line {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-sub);
  padding-top: 10px;
  border-top: 1px dashed var(--border-soft);
}

.genre-card a {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
}

.tone-campus {
  border-left-color: var(--tone-sage);
}

.tone-fantasy {
  border-left-color: var(--tone-lavender);
}

.tone-mystery {
  border-left-color: var(--tone-terracotta);
}

.tone-growth {
  border-left-color: var(--tone-blue);
}

.tone-scifi {
  border-left-color: var(--tone-orange);
}

.tone-healing {
  border-left-color: var(--tone-sand);
}

.notes-features-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.column-title {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-soft);
}

.note-list,
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.note-item,
.feature-item {
  padding: 14px 16px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.note-item p,
.feature-item p {
  font-size: 14px;
  color: var(--text-sub);
  margin: 8px 0 10px;
}

.note-item a,
.feature-item a {
  font-size: 14px;
  font-weight: 600;
}

.topic-tag {
  display: inline-block;
  padding: 1px 9px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background-color: #faf9f6;
  color: var(--text-sub);
}

.guide-brief-link {
  margin-top: 18px;
  font-size: 14px;
}

.boundary-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.boundary-item {
  padding: 16px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.boundary-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.boundary-item p {
  font-size: 14px;
  color: var(--text-sub);
}

/* ==========================================================================
   pages — 内页通用
   ========================================================================== */

.page-lead,
.page-hero-desc,
.page-hero-lead,
.page-intro {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 780px;
}

.page-hero,
.page-title-section,
.page-head {
  margin-bottom: 28px;
}

.page-tags,
.hero-tags,
.page-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.page-hero-tags {
  font-size: 13px;
  color: var(--text-sub);
}

.title-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 2px 10px;
  font-size: 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background-color: #faf9f6;
  color: var(--text-sub);
}

/* 侧栏 */
.genre-sidebar,
.topic-index {
  padding: 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
}

.sidebar-title,
.aside-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.sidebar-note,
.aside-note,
.aside-footnote {
  font-size: 13px;
  color: var(--text-sub);
}

.aside-footnote {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
}

.genre-index-list,
.topic-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 12px;
}

.genre-index-list a,
.topic-list a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
}

.genre-index-list a:hover,
.genre-index-list a:focus,
.topic-list a:hover,
.topic-list a:focus {
  background-color: #faf9f6;
  color: var(--accent-main);
}

.genre-name,
.topic-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.genre-scope,
.topic-desc {
  display: block;
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.6;
}

/* 作品目录页 */
.works-field-table {
  min-width: 0;
}

.works-field-table > h2,
.field-summary > h2,
.related-entry > h2,
.schedule-summary > h2,
.schedule-groups > h2,
.change-log > h2,
.related-help > h2,
.feature-list > h2,
.structure-summary > h2,
.extend-catalog > h2,
.merge-note > h2,
.guide-summary > h2,
.guide-details > h2,
.guide-help > h2,
.guide-boundary > h2,
.note-list > h2,
.related-features > h2,
.notes-next > h2,
.genre-intro > h2,
.genre-grid > h2,
.catalog-entry > h2,
.error-links > h2 {
  font-size: 22px;
  margin-bottom: 10px;
}

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

.field-group {
  margin-bottom: 24px;
}

.field-group h3 {
  font-size: 17px;
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 3px solid var(--accent-main);
}

.field-summary,
.related-entry {
  margin-top: 36px;
}

/* 连载排期页 */
.schedule-summary,
.schedule-groups,
.change-log,
.related-help {
  margin-bottom: 40px;
}

.schedule-summary .summary-cards {
  margin-bottom: 24px;
}

.summary-figure {
  max-width: 720px;
}

.schedule-group {
  margin-bottom: 24px;
}

.schedule-group h3 {
  font-size: 17px;
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 3px solid var(--accent-main);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 14px 18px;
  margin-top: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.related-links-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
}

.related-links-item {
  font-size: 14px;
}

/* 创作手记页 */
.notes-main {
  min-width: 0;
}

.notes-figure {
  margin-bottom: 28px;
}

.note-group {
  margin-bottom: 24px;
}

.group-title {
  font-size: 17px;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--accent-main);
}

.note-card {
  padding: 16px 18px;
  margin-bottom: 12px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.note-tag {
  display: inline-block;
  margin-bottom: 8px;
}

.note-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.note-summary {
  font-size: 14px;
  color: var(--text-sub);
}

.note-point {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-soft);
  font-size: 13px;
  color: var(--text-sub);
}

.related-features,
.notes-next {
  margin-top: 36px;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 16px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.feature-card-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.feature-card-desc {
  font-size: 14px;
  color: var(--text-sub);
}

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

.next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 10px;
}

.next-links a {
  font-size: 14px;
}

/* 专题文章页 */
.features-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: 8px;
}

.layout-content {
  min-width: 0;
}

.feature-list .feature-card {
  margin-bottom: 16px;
  padding: 0;
  overflow: hidden;
}

.feature-media img {
  aspect-ratio: 16 / 7;
}

.feature-list .feature-card h3,
.feature-list .feature-card > p,
.feature-list .feature-card .feature-scope,
.feature-list .feature-card .feature-link {
  margin-left: 18px;
  margin-right: 18px;
}

.feature-list .feature-card h3 {
  margin-top: 16px;
  font-size: 17px;
}

.feature-list .feature-card > p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-sub);
}

.feature-scope {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

.feature-link {
  display: inline-block;
  margin-top: 10px;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 600;
}

.structure-summary,
.extend-catalog,
.merge-note {
  margin-top: 36px;
}

.structure-item {
  padding: 16px 18px;
  margin-bottom: 12px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.structure-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.structure-item p {
  font-size: 14px;
  color: var(--text-sub);
}

.structure-fields {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

.structure-item a {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
}

.merge-note > p {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 780px;
}

.merge-note > a {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
}

/* 阅读指南页 */
.guide-summary,
.guide-details,
.guide-help,
.guide-boundary {
  margin-bottom: 36px;
}

.guide-figure {
  margin-bottom: 36px;
  max-width: 720px;
}

.guide-detail-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.guide-detail {
  padding: 16px 18px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.guide-detail h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.guide-detail p {
  font-size: 14px;
  color: var(--text-sub);
}

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

.boundary-list .boundary-item p {
  font-size: 14px;
  color: var(--text-sub);
}

/* 题材索引页 */
.genre-intro,
.genre-grid,
.merge-note,
.catalog-entry {
  margin-bottom: 40px;
}

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

.genre-intro-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.genre-intro-text p {
  font-size: 15px;
  color: var(--text-sub);
}

.genre-card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.genre-grid .genre-card {
  border-left-width: 1px;
  border-top-width: 4px;
}

.genre-card-campus {
  border-top-color: var(--tone-sage);
}

.genre-card-fantasy {
  border-top-color: var(--tone-lavender);
}

.genre-card-mystery {
  border-top-color: var(--tone-terracotta);
}

.genre-card-youth {
  border-top-color: var(--tone-blue);
}

.genre-card-scifi {
  border-top-color: var(--tone-orange);
}

.genre-card-healing {
  border-top-color: var(--tone-sand);
}

.genre-card-desc {
  font-size: 14px;
  color: var(--text-sub);
}

.genre-card-scope {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-soft);
  font-size: 13px;
  color: var(--text-sub);
}

.genre-card-link {
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
}

.merge-note-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.merge-note-list h3,
.merge-note-rules h3 {
  font-size: 17px;
  margin-bottom: 12px;
}

.merge-note-list ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.merge-note-list li {
  font-size: 14px;
  color: var(--text-sub);
  padding-left: 14px;
  position: relative;
}

.merge-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent-main);
}

.merge-note-list strong {
  color: var(--text-main);
  margin-right: 4px;
}

.merge-rule {
  padding: 14px 16px;
  margin-bottom: 12px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.merge-rule h4 {
  font-size: 15px;
  margin-bottom: 6px;
}

.merge-rule p {
  font-size: 14px;
  color: var(--text-sub);
}

.catalog-entry > p {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 780px;
  margin-bottom: 16px;
}

.entry-block-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.entry-block-desc {
  display: block;
  font-size: 14px;
  color: var(--text-sub);
}

/* 404 */
.error-main {
  padding-top: 40px;
}

.error-block {
  padding: 40px 32px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  text-align: left;
  max-width: 720px;
}

.error-code {
  font-size: 44px;
  font-weight: 600;
  color: var(--accent-main);
  line-height: 1.1;
  margin-bottom: 8px;
}

.error-block h1 {
  font-size: 26px;
  margin-bottom: 10px;
}

.error-text {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 20px;
}

.btn-primary {
  display: inline-block;
  padding: 10px 22px;
  min-height: 44px;
  line-height: 24px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background-color: var(--accent-main);
  border: 1px solid var(--accent-main);
  border-radius: var(--radius-sm);
}

.btn-primary:hover,
.btn-primary:focus {
  color: #ffffff;
  background-color: #24544a;
  border-color: #24544a;
}

.error-links {
  margin-top: 36px;
}

.error-links ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.error-links a {
  display: block;
  padding: 14px 16px;
  font-size: 14px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-main);
}

.error-links a:hover,
.error-links a:focus {
  border-color: var(--accent-main);
  color: var(--accent-main);
}

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 20px;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .primary-nav {
    flex: 1 1 100%;
  }

  .primary-nav ul {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
  }

  .primary-nav ul.is-open {
    display: flex;
  }

  .primary-nav a {
    padding: 12px 4px;
    min-height: 44px;
    font-size: 15px;
    border-bottom: 1px solid var(--border-soft);
  }

  .primary-nav li:last-child a {
    border-bottom: none;
  }

  .primary-nav a.is-current {
    border-bottom-color: var(--border-soft);
  }

  .site-main {
    padding: 24px 20px 44px;
  }

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

  .hero-inner,
  .hero-columns,
  .notes-features-columns,
  .genre-intro-body,
  .merge-note-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-heading h1 {
    font-size: 28px;
  }

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

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

  .sidebar-left .genre-sidebar,
  .sidebar-left .topic-index {
    order: 2;
  }

  .sidebar-left .works-field-table,
  .sidebar-left .notes-main,
  .sidebar-left .layout-content {
    order: 1;
  }

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

@media (max-width: 640px) {
  .site-main {
    padding: 20px 16px 40px;
  }

  .header-inner,
  .scope-inner,
  .footer-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .hero-heading h1 {
    font-size: 25px;
  }

  .section-title,
  .works-field-table > h2,
  .field-summary > h2,
  .related-entry > h2,
  .schedule-summary > h2,
  .schedule-groups > h2,
  .change-log > h2,
  .related-help > h2,
  .feature-list > h2,
  .structure-summary > h2,
  .extend-catalog > h2,
  .merge-note > h2,
  .guide-summary > h2,
  .guide-details > h2,
  .guide-help > h2,
  .guide-boundary > h2,
  .note-list > h2,
  .related-features > h2,
  .notes-next > h2,
  .genre-intro > h2,
  .genre-grid > h2,
  .catalog-entry > h2,
  .error-links > h2 {
    font-size: 20px;
  }

  .summary-cards,
  .genre-card-grid,
  .genre-card-list,
  .feature-cards,
  .entry-blocks,
  .help-entries,
  .extend-grid,
  .catalog-entry-links,
  .guide-steps,
  .boundary-columns,
  .error-links ul {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .error-block {
    padding: 28px 20px;
  }

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