/* 墨影默认 · default theme — mobile-first, no external assets */
:root {
  --c-bg: #f4f5f7;
  --c-surface: #fff;
  --c-ink: #1a1d24;
  --c-muted: #6b7280;
  --c-line: #e5e7eb;
  --c-brand: #e11d48;
  --c-brand-soft: #fff1f2;
  --c-footer: #111827;
  --c-footer-text: #9ca3af;
  --r-sm: 6px;
  --r-md: 10px;
  --shadow: 0 4px 16px rgba(17, 24, 39, 0.08);
  --container: 1180px;
  --cover-ratio: 3 / 4;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --header-h: 56px;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: saturate(1.2) blur(8px);
  /* 全站：header 距左右视口边缘 5px */
  margin: 0 5px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px 20px;
  min-height: var(--header-h);
  flex-wrap: wrap;
  padding: 8px 0;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-brand);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.logo:hover {
  color: #be123c;
}

.logo img {
  display: inline-block;
  width: 45px;
  height: 45px;
  max-width: 100%;
  object-fit: contain;
  vertical-align: middle;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.main-nav a {
  color: var(--c-ink);
  padding: 4px 0;
}

.main-nav a:hover {
  color: var(--c-brand);
}

.search-form {
  margin-left: auto;
  display: flex;
  gap: 6px;
  min-width: 0;
}

.search-form input {
  width: min(220px, 42vw);
  padding: 7px 12px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-bg);
  color: var(--c-ink);
}

.search-form button {
  padding: 7px 14px;
  border: 0;
  border-radius: 999px;
  background: var(--c-brand);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  white-space: nowrap;
}

.search-form button:hover {
  background: #be123c;
}

/* —— Main —— */
main {
  padding: 18px 0 48px;
  min-height: 50vh;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 4px 0 16px;
  letter-spacing: -0.01em;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 650;
  margin: 28px 0 14px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.section-title .more {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-muted);
}

.section-title .more:hover {
  color: var(--c-brand);
}

.home-section + .home-section {
  margin-top: 8px;
}

/* —— Breadcrumb —— */
.breadcrumb {
  font-size: 0.8125rem;
  color: var(--c-muted);
  margin: 0 0 12px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  align-items: center;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: #c4c9d2;
}

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

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

.breadcrumb [aria-current="page"] {
  color: var(--c-ink);
  font-weight: 500;
}

/* —— Layout split —— */
.layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.layout-main {
  flex: 1;
  min-width: 0;
}

.layout-side {
  width: 260px;
  flex-shrink: 0;
}

/* —— Manga grid & card —— */
.manga-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}

.manga-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

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

.manga-card-cover {
  display: block;
}

.manga-card .manga-cover,
.manga-card .x-manga-image,
.manga-card img {
  width: 100%;
  aspect-ratio: var(--cover-ratio);
  object-fit: cover;
  background: #eef0f3;
}

.manga-name {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 8px 10px 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.manga-name a {
  color: inherit;
}

.manga-name a:hover {
  color: var(--c-brand);
}

.manga-latest {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin: 0 10px 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* —— Tags / categories —— */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: #374151;
  background: var(--c-surface);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

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

.category-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.category-list li {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  text-align: center;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.category-list li:hover {
  border-color: #fecdd3;
  box-shadow: var(--shadow);
}

.category-list a {
  display: block;
  padding: 12px 10px;
  font-weight: 500;
}

.category-list.big li a {
  padding: 18px 14px;
  font-size: 0.9375rem;
}

.category-list .count {
  color: var(--c-muted);
  font-size: 0.75rem;
  font-weight: 400;
}

.category-intro {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  color: #374151;
  font-size: 0.9375rem;
  margin: 0 0 16px;
  line-height: 1.7;
}

.category-intro-empty {
  color: var(--c-muted);
}

/* —— Ads —— */
.ad-slot {
  margin: 12px 0;
  text-align: center;
  overflow: hidden;
}

.ad-slot:empty {
  display: none;
  margin: 0;
}

/* —— Detail —— */
.manga-head {
  display: flex;
  gap: 22px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 20px;
}

.manga-cover-wrap {
  flex-shrink: 0;
  width: 220px;
}

.manga-cover-wrap .x-manga-image,
.manga-cover-wrap img,
.manga-cover.detail {
  width: 100%;
  aspect-ratio: var(--cover-ratio);
  object-fit: cover;
  border-radius: var(--r-sm);
  background: #eef0f3;
}

.manga-info {
  flex: 1;
  min-width: 0;
}

.manga-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 0.875rem;
  color: #4b5563;
  margin: 0 0 10px;
}

.manga-meta a {
  color: var(--c-brand);
  font-weight: 500;
}

.manga-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.summary {
  font-size: 0.9375rem;
  color: #374151;
  margin-top: 10px;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 8;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.age-tip {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--c-brand-soft);
  color: var(--c-brand);
  font-size: 0.8125rem;
  font-weight: 600;
}

.chapter-list-link {
  display: inline-flex;
  margin-top: 14px;
  padding: 8px 16px;
  background: var(--c-brand);
  color: #fff !important;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

.chapter-list-link:hover {
  background: #be123c;
  color: #fff !important;
}

/* —— Chapter list —— */
.chapter-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

.chapter-list li {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
}

.chapter-list a {
  display: block;
  padding: 9px 12px;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chapter-list a:hover {
  color: var(--c-brand);
  background: var(--c-brand-soft);
}

.chapter-list .is-vip::after {
  content: "VIP";
  margin-left: 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--c-brand);
  vertical-align: middle;
}

.chapterlist-count {
  color: var(--c-muted);
  font-size: 0.8125rem;
  margin: 0 0 14px;
}

/* —— Rank —— */
.rank-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.rank-tabs a {
  padding: 7px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.rank-tabs a.active {
  background: var(--c-brand);
  color: #fff;
  border-color: var(--c-brand);
}

.rank-list {
  display: grid;
  gap: 10px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 10px 14px;
}

.rank-no {
  width: 36px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

.rank-item:nth-child(-n + 3) .rank-no {
  color: var(--c-brand);
}

.rank-link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.rank-link .x-manga-image,
.rank-link img {
  width: 48px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  background: #eef0f3;
  flex-shrink: 0;
}

.rank-name {
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-meta {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin-top: 2px;
}

/* —— Reader —— */
.chapter-title {
  margin-bottom: 12px;
}

.chapter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.chapter-nav.bottom {
  margin: 28px 0 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--c-ink);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

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

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

.btn-primary:hover {
  background: #be123c;
  border-color: #be123c;
  color: #fff;
}

.btn.disabled,
.btn:disabled {
  color: var(--c-muted);
  cursor: default;
  pointer-events: none;
  opacity: 0.7;
}

.chapter-images {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.chapter-image-wrap {
  width: 100%;
  max-width: 760px;
  background: #e8eaed;
  overflow: hidden;
}

.chapter-image-wrap .x-manga-image,
.chapter-image-wrap img {
  width: 100%;
  height: auto;
  vertical-align: top;
}

/* —— Pagination —— */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 28px 0 0;
}

.pagination a,
.pagination .page-current,
.pagination .page-disabled,
.pagination .page-ellipsis {
  min-width: 36px;
  padding: 7px 10px;
  text-align: center;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.pagination a:hover {
  border-color: var(--c-brand);
  color: var(--c-brand);
}

.pagination .page-current {
  background: var(--c-brand);
  color: #fff;
  border-color: var(--c-brand);
}

.pagination .page-disabled {
  color: #c4c9d2;
}

.pagination .page-ellipsis {
  border: 0;
  background: transparent;
  min-width: auto;
}

/* —— Sidebar —— */
.sidebar-block {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px;
  margin-bottom: 14px;
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 650;
  margin: 0 0 12px;
}

.sidebar-hot-list {
  display: grid;
  gap: 10px;
}

.sidebar-hot-item {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.sidebar-hot-item .x-manga-image,
.sidebar-hot-item img {
  width: 44px;
  height: 58px;
  object-fit: cover;
  border-radius: 4px;
  background: #eef0f3;
  flex-shrink: 0;
}

.sidebar-hot-name {
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* —— Search / empty / static —— */
.search-summary {
  color: var(--c-muted);
  font-size: 0.875rem;
  margin: -8px 0 16px;
}

.hot-keywords {
  margin-top: 32px;
}

.empty-tip {
  color: var(--c-muted);
  padding: 36px 12px;
  text-align: center;
}

.empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}

.static-content {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 22px;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.static-content p + p {
  margin-top: 0.75em;
}

.contact-form-wrap {
  max-width: 560px;
  margin-top: 20px;
}

.contact-form {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 20px;
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  gap: 6px;
}

.form-row label {
  font-size: 0.875rem;
  font-weight: 500;
}

.form-row input,
.form-row textarea {
  padding: 9px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--c-ink);
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: #dc2626;
  font-size: 0.8125rem;
}

.form-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #047857;
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 0.875rem;
  margin: 0 0 14px;
}

/* —— Special / article —— */
.special-hero {
  display: grid;
  gap: 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 18px;
  margin-bottom: 20px;
}

.special-hero img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: var(--r-sm);
  background: #eef0f3;
}

.article-meta {
  color: var(--c-muted);
  font-size: 0.8125rem;
  margin: -8px 0 16px;
}

.article-body {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 22px;
  font-size: 1rem;
  line-height: 1.85;
}

.article-body img {
  margin: 12px auto;
  border-radius: var(--r-sm);
}

/* —— Error —— */
.error-page {
  text-align: center;
  padding: 40px 0 20px;
}

.error-code {
  font-size: 4rem;
  font-weight: 800;
  color: var(--c-brand);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}

.error-popular {
  margin-top: 36px;
  text-align: left;
}

/* —— Footer —— */
.site-footer {
  background: var(--c-footer);
  color: var(--c-footer-text);
  margin-top: 40px;
  padding: 32px 0 24px;
  font-size: 0.8125rem;
}

.site-footer a {
  color: #d1d5db;
}

.site-footer a:hover {
  color: #fff;
}

.footer-title {
  font-size: 0.9375rem;
  color: #fff;
  font-weight: 600;
  margin: 0 0 12px;
}

.footer-nav,
.footer-tags {
  margin-bottom: 18px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.footer-icp {
  border-top: 1px solid #1f2937;
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.footer-copy {
  margin: 12px 0 0;
  color: #6b7280;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .layout {
    flex-direction: column;
  }

  .layout-side {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .header-inner {
    gap: 10px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    gap: 8px 12px;
    font-size: 0.875rem;
    padding-bottom: 2px;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .main-nav a {
    white-space: nowrap;
  }

  .search-form {
    margin-left: 0;
    flex: 1;
  }

  .search-form input {
    width: 100%;
    flex: 1;
  }

  .manga-head {
    flex-direction: column;
  }

  .manga-cover-wrap {
    width: min(200px, 55vw);
    margin: 0 auto;
  }

  .page-title {
    font-size: 1.25rem;
  }

  .manga-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
  }

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

  .chapter-nav .btn {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* —— Reader layout（沉浸式阅读，仅 body.reader-page 生效） —— */
body.reader-page {
  background: #fafafa;
}

/* 极简 sticky 阅读条（替代全站大 header，高度克制 48px） */
.reader-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: saturate(1.2) blur(8px);
}

.reader-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  min-height: 48px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 16px;
  font-size: 0.8125rem;
}

.reader-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--c-ink);
  white-space: nowrap;
}

.reader-logo-img {
  display: block;
  width: auto;
  height: 28px;
}

.reader-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--c-muted);
  white-space: nowrap;
}

.reader-nav a {
  color: var(--c-muted);
  transition: color 0.15s;
}

.reader-nav a:hover {
  color: var(--c-brand);
}

.reader-nav-disabled {
  color: var(--c-muted);
  opacity: 0.55;
  cursor: default;
}

/* 正文容器加宽：阅读列 ≈ 960px，图片 ≈ 860px 居中 */
body.reader-page .container.chapter-page {
  max-width: 960px;
  padding-top: 18px;
}

body.reader-page .chapter-images {
  gap: 12px;
}

body.reader-page .chapter-image-wrap {
  max-width: 860px;
  background: #f0f1f3;
  border-radius: var(--r-sm);
}

/* 章节导航弱化：文字化 + 轻边框，克制不抢正文 */
body.reader-page .chapter-nav .btn {
  background: transparent;
  border-color: #e6e7ea;
  border-radius: 999px;
  padding: 6px 16px;
  font-weight: 400;
}

body.reader-page .chapter-nav .btn:hover {
  border-color: var(--c-brand);
  color: var(--c-brand);
  background: transparent;
}

body.reader-page .chapter-nav .btn-primary {
  background: var(--c-brand-soft);
  border-color: transparent;
  color: var(--c-brand);
  font-weight: 500;
}

body.reader-page .chapter-nav .btn-primary:hover {
  background: #ffe4e8;
  border-color: transparent;
  color: var(--c-brand);
}

body.reader-page .chapter-nav .btn.disabled {
  border-style: dashed;
  background: transparent;
}

/* 极简底部（保留 ICP/公安备案输出，合规红线） */
.reader-footer {
  margin-top: 36px;
  padding: 18px 16px 28px;
  border-top: 1px solid var(--c-line);
  font-size: 0.8125rem;
  color: var(--c-muted);
  text-align: center;
}

.reader-footer a {
  color: inherit;
}

.reader-footer a:hover {
  color: var(--c-brand);
}

@media (max-width: 720px) {
  .reader-bar-inner {
    min-height: 44px;
    padding: 0 10px;
    gap: 6px 10px;
  }

  .reader-nav {
    gap: 10px;
  }

  body.reader-page .container.chapter-page {
    padding-top: 12px;
  }

  body.reader-page .chapter-images {
    gap: 6px;
  }

  /* 移动端图片全宽 */
  body.reader-page .chapter-image-wrap {
    max-width: 100%;
    border-radius: 0;
  }
}

/* 章节页相关推荐（M7.2 #6）：reader 布局下与正文分隔 + 底部留白 */
body.reader-page .chapter-page .related-section {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
}

body.reader-page .chapter-page .related-section .section-title {
  margin-top: 0;
}