:root {
  --color-text: #2b2f33;
  --color-text-sub: #5b6166;
  --color-bg: #f7f8f9;
  --color-card: #ffffff;
  --color-line: #e2e6e9;
  --color-accent: #1f7a6b;
  --color-accent-soft: #eef4f2;
  --color-blue: #2f6fb0;
  --color-blue-soft: #eef3f9;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shell-max: 1120px;
  --read-max: 760px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --gap-xl: 48px;
}

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

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

body.site-body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

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

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

p {
  margin: 0 0 12px;
}

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

figure {
  margin: 0;
}

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

.fact-bar,
.topbar,
.top-fact-bar {
  background-color: #eef1f2;
  border-bottom: 1px solid var(--color-line);
}

.fact-bar-text,
.topbar-text,
.top-fact-text {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.5;
}

/* ===== layout ===== */

.site-header {
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 20;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  text-decoration: none;
  padding: 8px 0;
}

.brand:hover,
.brand:focus-visible {
  color: var(--color-text);
  text-decoration: none;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent);
  flex: none;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 2px;
  background-color: #ffffff;
}

.brand-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.brand-slogan {
  font-size: 12px;
  color: var(--color-text-sub);
  padding-left: 10px;
  border-left: 1px solid var(--color-line);
}

.site-nav {
  display: block;
}

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

.nav-item {
  list-style: none;
}

.nav-link {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--color-text-sub);
  border-radius: var(--radius-sm);
  text-decoration: none;
  line-height: 1.4;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--color-accent);
  font-weight: 600;
  background-color: var(--color-accent-soft);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-card);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
}

.site-main {
  display: block;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 24px;
}

.home-main {
  padding-bottom: 56px;
}

.inner-main {
  padding-bottom: 56px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--color-text-sub);
}

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

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

.breadcrumb-sep {
  color: #a8aeb3;
}

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

.page-header {
  padding: 24px 0 8px;
  max-width: var(--read-max);
}

.page-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0;
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
}

.section-lead {
  font-size: 15px;
  color: var(--color-text-sub);
  margin: 8px 0 0;
  max-width: var(--read-max);
}

.section-text {
  font-size: 16px;
  color: var(--color-text);
  margin: 0 0 12px;
  max-width: var(--read-max);
}

.subsection-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
}

.section-head {
  margin-bottom: var(--gap-md);
}

.section-footnote,
.field-footnote,
.batch-footnote {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-sub);
}

/* ===== components ===== */

/* --- 首屏 --- */

.hero-section {
  padding: 40px 0 8px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: var(--gap-xl);
  align-items: start;
}

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

.hero-eyebrow {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 0 12px;
}

.hero-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-summary {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0 0 24px;
  max-width: 560px;
}

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

.hero-entry {
  list-style: none;
}

.hero-entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  font-size: 15px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border: 1px solid #d5e5e1;
  border-radius: var(--radius-md);
  text-decoration: none;
}

.hero-entry-link:hover,
.hero-entry-link:focus-visible {
  color: #ffffff;
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

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

.hero-figure {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

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

.hero-thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-sm);
  margin-top: var(--gap-sm);
}

.hero-thumb {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.hero-thumb figcaption {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-text-sub);
  border-top: 1px solid var(--color-line);
}

/* --- 题材方向总览 --- */

.genre-overview,
.stream-section,
.field-summary,
.guide-section,
.site-index {
  padding: 40px 0 0;
  border-top: 1px solid var(--color-line);
  margin-top: 40px;
}

.genre-overview {
  border-top: none;
  margin-top: 40px;
}

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

.genre-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  min-width: 0;
}

.genre-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  margin: 0 0 6px;
}

.genre-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.genre-scope {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0 0 10px;
}

.genre-field {
  font-size: 13px;
  color: var(--color-text);
  background-color: var(--color-accent-soft);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin: 0;
}

/* --- 封面速览 + 更新批次 --- */

.stream-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: var(--gap-lg);
  align-items: start;
}

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

.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-md);
}

.cover-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
  transition: border-color 0.2s ease;
}

.cover-card:hover {
  border-color: #c3ccd2;
}

.cover-figure {
  overflow: hidden;
}

.cover-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.25s ease;
}

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

.cover-name {
  font-size: 15px;
  font-weight: 600;
  padding: 12px 14px 4px;
}

.cover-meta {
  font-size: 13px;
  color: var(--color-text-sub);
  padding: 0 14px;
  margin: 0 0 4px;
}

.cover-batch {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  padding: 0 14px 14px;
  margin: 0;
}

.stream-side {
  min-width: 0;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.batch-list {
  display: block;
}

.batch-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
}

.batch-item:last-child {
  border-bottom: none;
}

.batch-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 4px;
}

.batch-genre {
  font-size: 14px;
  color: var(--color-text);
  margin: 0 0 2px;
}

.batch-change {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0;
}

.batch-footnote a {
  color: var(--color-blue);
}

/* --- 字段口径摘要 --- */

.field-summary-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--gap-lg);
  align-items: start;
}

.field-names,
.field-notes {
  min-width: 0;
}

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

.field-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
}

.field-note-list {
  display: block;
}

.field-note {
  font-size: 15px;
  color: var(--color-text-sub);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
}

.field-note:last-child {
  border-bottom: none;
}

/* --- 查阅路径 + 反馈 --- */

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr);
  gap: var(--gap-lg);
  align-items: start;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-md);
}

.guide-step {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  min-width: 0;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 12px;
  transition: background-color 0.2s ease;
}

.guide-step:hover .step-index {
  background-color: #d5e5e1;
}

.step-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-text {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0 0 10px;
}

.step-link {
  margin: 0;
  font-size: 14px;
}

.feedback-block {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  min-width: 0;
}

.feedback-text {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0 0 12px;
}

.feedback-link {
  margin: 0;
  font-size: 14px;
}

/* --- 站内栏目索引 --- */

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--gap-md);
}

.index-col {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-width: 0;
}

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

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

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

.index-desc {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0;
}

/* --- 页脚 --- */

.site-footer {
  background-color: var(--color-card);
  border-top: 1px solid var(--color-line);
  margin-top: 56px;
}

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

.footer-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap-lg);
}

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

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

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

.footer-list a {
  font-size: 14px;
  color: var(--color-text-sub);
}

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

.footer-bottom {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.footer-brand {
  font-size: 14px;
  color: var(--color-text);
  margin: 0 0 4px;
}

.footer-copy {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0;
}

/* ===== pages ===== */

/* --- 题材分类 --- */

.filter-note {
  padding: 24px 0 0;
}

.filter-note-body {
  max-width: var(--read-max);
}

.filter-note-body p {
  font-size: 15px;
  color: var(--color-text-sub);
}

.filter-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-sm);
  margin-top: 12px;
}

.filter-list li {
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 10px 14px;
}

.genre-group {
  padding: 32px 0 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
}

.genre-group-head {
  max-width: var(--read-max);
  margin-bottom: var(--gap-md);
}

.genre-group-head .genre-index {
  margin-bottom: 6px;
}

.genre-trait {
  font-size: 15px;
  color: var(--color-text-sub);
  margin: 8px 0 0;
}

.genre-figure {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--gap-md);
}

.genre-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

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

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

.entry-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(80px, 0.6fr) minmax(0, 0.8fr);
  gap: var(--gap-sm);
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
}

.entry-name {
  font-weight: 600;
  color: var(--color-text);
}

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

.entry-status {
  color: var(--color-accent);
}

.entry-batch {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-sub);
}

.archive-note {
  padding: 32px 0 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
  max-width: var(--read-max);
}

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

.archive-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.archive-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border: 1px solid #d5e5e1;
  border-radius: var(--radius-md);
}

.archive-links a:hover,
.archive-links a:focus-visible {
  color: #ffffff;
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

/* --- 最近更新 --- */

.content-section {
  padding: 32px 0 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
}

.batch-rule-body {
  max-width: var(--read-max);
}

.section-figure {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0 0;
}

.section-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

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

.section-batch-list .batch-list {
  margin-top: 16px;
  border-top: 1px solid var(--color-line);
}

.section-batch-list .batch-item {
  padding: 20px 0;
}

.batch-article {
  min-width: 0;
}

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

.batch-title .batch-code {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-accent);
  margin: 0;
}

.batch-meta {
  display: grid;
  grid-template-columns: minmax(90px, auto) minmax(0, 1fr);
  gap: 4px 16px;
  margin: 0 0 10px;
  max-width: var(--read-max);
}

.batch-meta-key {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-sub);
}

.batch-meta-value {
  font-size: 14px;
  color: var(--color-text);
  margin: 0;
}

.batch-note {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0;
  max-width: var(--read-max);
}

.archive-note-body {
  max-width: var(--read-max);
}

/* --- 条目字段说明 --- */

.fields-figure {
  padding: 32px 0 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
}

.media-figure {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 16px;
}

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

.media-caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--color-text-sub);
  border-top: 1px solid var(--color-line);
}

.fields-table-section,
.boundary-section,
.reading-order-section,
.related-section {
  padding: 32px 0 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
}

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

.fields-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.6fr) minmax(0, 2fr);
  border-bottom: 1px solid var(--color-line);
}

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

.fields-row-head {
  background-color: #f0f2f3;
}

.fields-cell {
  padding: 12px 16px;
  font-size: 14px;
  min-width: 0;
}

.fields-name {
  font-family: var(--font-mono);
  color: var(--color-text);
  border-right: 1px solid var(--color-line);
}

.fields-row-head .fields-cell {
  font-weight: 600;
  font-size: 13px;
  color: var(--color-text-sub);
}

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

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

.boundary-block {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 20px;
  min-width: 0;
}

.boundary-in {
  border-top: 3px solid var(--color-accent);
}

.boundary-out {
  border-top: 3px solid #9aa2a8;
}

.boundary-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
}

.boundary-list li {
  font-size: 14px;
  color: var(--color-text-sub);
  padding: 8px 0 8px 16px;
  border-bottom: 1px solid var(--color-line);
  position: relative;
}

.boundary-list li:last-child {
  border-bottom: none;
}

.boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.boundary-out .boundary-list li::before {
  background-color: #9aa2a8;
}

.boundary-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-sub);
}

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

.order-item {
  display: flex;
  gap: 12px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-width: 0;
}

.order-index {
  flex: none;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

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

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

.order-body p {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0;
}

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

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

.related-item a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--color-accent);
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  text-decoration: none;
}

.related-item a:hover,
.related-item a:focus-visible {
  border-color: var(--color-accent);
  background-color: var(--color-accent-soft);
  text-decoration: none;
}

/* --- 阅读说明 --- */

.content-shell {
  display: block;
}

.guide-path,
.guide-faq,
.guide-feedback,
.guide-related {
  padding: 32px 0 0;
  margin-top: 32px;
  border-top: 1px solid var(--color-line);
}

.guide-figure {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 16px 0 var(--gap-md);
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

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

.guide-path .guide-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-md);
}

.guide-path .guide-step {
  display: flex;
  gap: 12px;
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-width: 0;
}

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

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

.step-body .step-text {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0;
}

.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  margin-top: 10px;
  overflow: hidden;
}

.faq-question {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-accent);
  line-height: 1;
}

.faq-item[open] .faq-question::after {
  content: "\2212";
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-answer {
  padding: 0 18px 16px;
  border-top: 1px solid var(--color-line);
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 12px 0 0;
}

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

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

.feedback-col-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feedback-list li {
  font-size: 14px;
  color: var(--color-text-sub);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-line);
}

.feedback-list li:last-child {
  border-bottom: none;
}

.guide-related .related-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* --- 404 --- */

.error-main {
  padding-top: 56px;
  padding-bottom: 56px;
}

.error-panel {
  max-width: var(--read-max);
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.error-title {
  font-size: 34px;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-text {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0 0 20px;
}

.error-hint-list {
  margin-bottom: 24px;
}

.error-hint-list li {
  font-size: 14px;
  color: var(--color-text-sub);
  padding: 8px 0 8px 16px;
  position: relative;
  border-bottom: 1px solid var(--color-line);
}

.error-hint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.error-button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  color: #ffffff;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  text-decoration: none;
}

.error-button:hover,
.error-button:focus-visible {
  background-color: #186354;
  color: #ffffff;
  text-decoration: none;
}

.error-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  font-size: 15px;
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border: 1px solid #d5e5e1;
  border-radius: var(--radius-md);
  text-decoration: none;
}

.error-link:hover,
.error-link:focus-visible {
  color: #ffffff;
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

.error-note {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: 0;
}

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

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    min-height: 56px;
    padding: 0 18px;
  }

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    width: 100%;
  }

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

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

  .nav-link {
    padding: 12px 10px;
    font-size: 16px;
  }

  .site-main {
    padding: 0 18px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--gap-lg);
  }

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

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

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

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

  .field-summary-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--gap-md);
  }

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

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

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

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

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

  .entry-row {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(70px, 0.6fr) minmax(0, 0.8fr);
  }

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

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

  .fact-bar-text,
  .topbar-text,
  .top-fact-text {
    padding: 8px 16px;
    font-size: 12px;
  }

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

  .site-main {
    padding: 0 16px;
  }

  .site-footer {
    margin-top: 40px;
  }

  .footer-inner {
    padding: 32px 16px 20px;
  }

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

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

  .hero-section {
    padding-top: 28px;
  }

  .hero-entry-list {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-entry-link {
    justify-content: center;
  }

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

  .genre-overview,
  .stream-section,
  .field-summary,
  .guide-section,
  .site-index {
    margin-top: 32px;
    padding-top: 28px;
  }

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

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

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

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

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

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

  .genre-group,
  .content-section,
  .fields-table-section,
  .boundary-section,
  .reading-order-section,
  .related-section,
  .guide-path,
  .guide-faq,
  .guide-feedback,
  .guide-related,
  .fields-figure {
    margin-top: 24px;
    padding-top: 24px;
  }

  .entry-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4px 12px;
  }

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

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

  .fields-name {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }

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

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

  .batch-meta {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .batch-meta-key {
    margin-top: 6px;
  }

  .error-panel {
    padding: 24px 20px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-button,
  .error-link {
    justify-content: center;
  }
}