/* =========================================================
   奇漫屋 cnqgh.cn 全站样式表
   base → layout → components → pages → responsive
   ========================================================= */

/* ---------------------------------------------------------
   base
   --------------------------------------------------------- */
:root {
  --wall: #F7F5F0;
  --ink: #1F1D1A;
  --ochre: #9C5A33;
  --slate: #5E6E72;
  --line: #E3DED4;
  --ink-soft: #4A463F;
  --wall-deep: #F0EDE6;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --radius: 6px;
  --radius-sm: 4px;
  --container: 1120px;
  --reading: 720px;
  --gap: 32px;
}

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

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

.site-body {
  margin: 0;
  padding: 0;
  background-color: var(--wall);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0 0 16px;
}

p:last-child {
  margin-bottom: 0;
}

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

a {
  color: var(--ochre);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

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

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

figure {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
}

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

/* ---------------------------------------------------------
   layout —— 全站骨架
   --------------------------------------------------------- */
.site-header {
  background-color: var(--wall);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .02em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.site-brand::before {
  content: "";
  width: 6px;
  height: 20px;
  margin-right: 10px;
  background-color: var(--ochre);
  border-radius: 1px;
}

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

.site-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-list li {
  display: block;
}

.nav-list a {
  display: inline-block;
  padding: 6px 2px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  line-height: 1.6;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--ochre);
  border-bottom-color: var(--ochre);
}

.nav-list a.is-current {
  color: var(--ochre);
  font-weight: 600;
  border-bottom-color: var(--ochre);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background-color: var(--ink);
}

.nav-toggle::before {
  top: 16px;
}

.nav-toggle::after {
  bottom: 16px;
}

.nav-toggle:hover {
  border-color: var(--ochre);
}

.site-main {
  display: block;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 72px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--slate);
  letter-spacing: .04em;
}

.breadcrumb a {
  color: var(--slate);
  border-bottom: 1px solid transparent;
}

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

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

.breadcrumb-current {
  color: var(--ink);
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  max-width: var(--reading);
  padding: 24px 0 34px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
}

.page-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}

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

.page-summary {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 0;
}

/* 页脚 */
.site-footer {
  background-color: var(--wall-deep);
  border-top: 1px solid var(--line);
  margin-top: 0;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 52px 24px 40px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px 32px;
}

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

.footer-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: .02em;
}

.footer-desc {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.85;
  margin-bottom: 0;
}

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

.footer-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .1em;
  margin-bottom: 14px;
}

.footer-list li {
  margin-bottom: 9px;
}

.footer-list a {
  font-size: 14px;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
}

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

.footer-text {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.85;
  margin-bottom: 10px;
}

.footer-text:last-child {
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid var(--line);
}

.footer-copy {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 24px;
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: .04em;
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   components —— 通用模块
   --------------------------------------------------------- */
.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.sub-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.section-note,
.section-lead,
.section-intro {
  font-size: 15px;
  color: var(--slate);
  line-height: 1.85;
  margin-bottom: 24px;
  max-width: var(--reading);
}

.section-more {
  margin-top: 20px;
  margin-bottom: 0;
}

.text-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ochre);
  border-bottom: 1px solid var(--ochre);
  padding-bottom: 2px;
}

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

/* 路径入口 */
.path-list {
  display: grid;
  gap: 14px;
}

.path-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 16px 18px;
  transition: border-color .18s ease, background-color .18s ease;
}

.path-item:hover {
  border-color: var(--ochre);
  background-color: var(--wall-deep);
}

.path-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ochre);
  margin-bottom: 6px;
  min-height: 24px;
}

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

.path-desc {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 0;
}

/* 条目行 */
.entry-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.entry-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1.6fr) minmax(0, 1fr) 92px;
  align-items: center;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.entry-issue {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

.entry-name {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  min-width: 0;
}

.entry-genre {
  font-size: 13px;
  font-weight: 500;
  color: var(--ochre);
  letter-spacing: .06em;
}

.entry-status {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: .04em;
  text-align: right;
}

.entry-list-compact .entry-row {
  padding: 12px 4px;
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
}

.field-table {
  width: 100%;
  min-width: 520px;
  font-size: 14.5px;
}

.field-table caption,
.table-caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .06em;
  border-bottom: 1px solid var(--line);
}

.field-table th,
.field-table td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.75;
}

.field-table thead th {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .08em;
  background-color: var(--wall-deep);
}

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

.field-table tbody th {
  font-weight: 600;
  color: var(--ink);
  width: 22%;
  white-space: nowrap;
}

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

/* 专题卡片（首页） */
.topic-cards {
  display: grid;
  gap: 16px;
}

.topic-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 18px 20px;
  transition: border-color .18s ease;
}

.topic-card:hover {
  border-color: var(--ochre);
}

.topic-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.topic-reason {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 8px;
}

.topic-genres,
.topic-scope {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: .04em;
  margin-bottom: 0;
}

/* 字段清单 */
.compose-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

.compose-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
}

.compose-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .06em;
  white-space: nowrap;
}

.compose-value {
  font-size: 14px;
  color: var(--ink-soft);
  text-align: right;
}

.split-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 14px;
}

/* ---------------------------------------------------------
   pages —— 首页
   --------------------------------------------------------- */
.home-main {
  display: block;
}

.site-intro-bar {
  border-bottom: 1px solid var(--line);
  background-color: var(--wall-deep);
}

.intro-line {
  max-width: var(--container);
  margin: 0 auto;
  padding: 13px 24px;
  font-size: 13.5px;
  color: var(--slate);
  letter-spacing: .03em;
  margin-bottom: 0;
}

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

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 56px;
  padding: 52px 0 46px;
  border-bottom: 1px solid var(--line);
}

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

.hero-kicker {
  font-size: 13px;
  font-weight: 500;
  color: var(--ochre);
  letter-spacing: .14em;
  margin-bottom: 14px;
}

.hero-title {
  font-size: 38px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 18px;
}

.hero-summary {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: var(--reading);
  margin-bottom: 26px;
}

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

.hero-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  aspect-ratio: 16 / 7;
}

.hero-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: .04em;
  border-top: 1px solid var(--line);
  background-color: #FFFFFF;
}

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

.hero-paths-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .1em;
  margin-bottom: 16px;
}

.hero-issue {
  max-width: var(--container);
  margin: 0 auto;
  padding: 46px 24px 0;
}

.hero-issue .section-title {
  margin-bottom: 8px;
}

.genre-overview,
.issue-entries,
.split-section,
.site-index {
  max-width: var(--container);
  margin: 0 auto;
  padding: 52px 24px 0;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.genre-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .18s ease;
}

.genre-card:hover {
  border-color: var(--ochre);
}

.genre-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0;
}

.genre-desc {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 0;
}

.genre-figure {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--wall-deep);
}

.genre-figure img {
  width: 100%;
  height: 132px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.genre-pick {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
}

.split-col {
  min-width: 0;
}

.site-index {
  padding-bottom: 68px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.index-col {
  border-top: 2px solid var(--line);
  padding-top: 14px;
  min-width: 0;
}

.index-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.index-name a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
}

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

.index-desc {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.75;
  margin-bottom: 0;
}

/* 首页收录边界 */
.split-col-boundary .boundary-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.boundary-item {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 1px;
  background-color: var(--ochre);
}

/* ---------------------------------------------------------
   pages —— 内页通用
   --------------------------------------------------------- */
.section {
  margin-bottom: 56px;
}

.section:last-child {
  margin-bottom: 0;
}

/* 最新一期：固定摘要布局 */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 288px;
  gap: 48px;
  align-items: start;
}

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

.layout-aside {
  min-width: 0;
  position: sticky;
  top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 22px 20px;
}

.aside-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .1em;
  margin-bottom: 10px;
}

.aside-intro,
.aside-lead {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 16px;
}

.aside-fields {
  display: grid;
  gap: 0;
  margin: 0 0 16px;
  border-top: 1px solid var(--line);
}

.aside-field {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.aside-field dt {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.aside-field dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
}

.aside-note {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 0;
}

/* 最新一期：选题说明 */
.topic-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

.topic-lead-text {
  min-width: 0;
}

.topic-lead-text p {
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.topic-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--wall-deep);
}

.topic-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.topic-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: .04em;
  border-top: 1px solid var(--line);
  background-color: #FFFFFF;
}

/* 最新一期：条目卡片 */
.section-entries .entry-list {
  border-top: none;
  gap: 16px;
}

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

.entry-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 18px 20px;
  transition: border-color .18s ease;
}

.entry-card:hover {
  border-color: var(--ochre);
}

.entry-card .entry-name {
  display: block;
  font-size: 16px;
  margin-bottom: 10px;
}

.entry-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 10px;
}

.entry-fields span {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: .04em;
}

.entry-fields span::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  background-color: var(--ochre);
  border-radius: 50%;
  vertical-align: middle;
}

.entry-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 0;
}

/* 最新一期：衔接区 */
.section-bridge p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: var(--reading);
}

.bridge-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.bridge-links .path-link {
  display: inline-block;
  padding: 11px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  font-size: 14px;
  margin-bottom: 0;
  min-height: 44px;
  line-height: 22px;
}

.bridge-links .path-link:hover,
.bridge-links .path-link:focus-visible {
  border-color: var(--ochre);
  background-color: var(--wall-deep);
  color: var(--ink);
}

/* ---------------------------------------------------------
   pages —— 往期目录
   --------------------------------------------------------- */
.issue-index-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.issue-index-group {
  min-width: 0;
}

.issue-index-month {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate);
  letter-spacing: .12em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 12px;
}

.issue-index-list {
  display: grid;
  gap: 8px;
}

.issue-index-item {
  min-width: 0;
}

.issue-index-item a {
  display: block;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--ink-soft);
  background-color: #FFFFFF;
  min-height: 40px;
  line-height: 22px;
  transition: border-color .18s ease, color .18s ease;
}

.issue-index-item a:hover,
.issue-index-item a:focus-visible {
  border-color: var(--ochre);
  color: var(--ochre);
}

.issue-block {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: 36px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.issue-block:last-child {
  border-bottom: 1px solid var(--line);
}

.issue-block-meta {
  min-width: 0;
}

.issue-block-body {
  min-width: 0;
}

.issue-number {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ochre);
  letter-spacing: .1em;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.issue-title {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.issue-date {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: .05em;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.issue-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--wall-deep);
}

.issue-figure img {
  width: 100%;
  height: 168px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.issue-figure figcaption {
  padding: 9px 12px;
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: .04em;
  border-top: 1px solid var(--line);
  background-color: #FFFFFF;
}

.issue-block-body > p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.issue-composition {
  display: grid;
  gap: 0;
  margin: 18px 0;
  border-top: 1px solid var(--line);
}

.issue-composition-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.issue-composition-item .field-name {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .08em;
}

.issue-composition-item .field-value {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.75;
}

.issue-note {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.85;
  margin-bottom: 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

/* 收录范围调整记录 */
.scope-log-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.scope-log-item {
  padding: 18px 2px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.scope-log-date {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ochre);
  letter-spacing: .08em;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.scope-log-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.scope-log-text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 0;
  max-width: var(--reading);
}

/* 字段沿用说明 */
.field-carry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.field-carry-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 18px;
  min-width: 0;
}

.field-carry-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.field-carry-card p {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.8;
  margin-bottom: 0;
}

.section-footnote {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.85;
  margin-top: 20px;
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   pages —— 专题策划
   --------------------------------------------------------- */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.topic-grid .topic-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.topic-grid .topic-figure {
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--line);
}

.topic-grid .topic-figure img {
  width: 100%;
  height: 156px;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.topic-grid .topic-name {
  padding: 16px 18px 0;
}

.topic-grid .topic-reason {
  padding: 0 18px;
}

.topic-grid .topic-scope {
  padding: 0 18px 18px;
  margin-top: auto;
}

.topic-block {
  display: grid;
  grid-template-columns: 288px minmax(0, 1fr);
  gap: 40px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.topic-block:last-child {
  border-bottom: 1px solid var(--line);
}

.topic-block-info {
  min-width: 0;
}

.topic-block-criteria {
  min-width: 0;
}

.topic-block-name {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}

.topic-block-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--wall-deep);
  margin-bottom: 16px;
}

.topic-block-figure img {
  width: 100%;
  height: 168px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.topic-meta {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.topic-meta dt {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .08em;
  margin-top: 12px;
}

.topic-meta dd {
  margin: 3px 0 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.75;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.topic-subtitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.topic-block-criteria > p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.topic-entry-list {
  display: grid;
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.topic-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 18px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.topic-entry .entry-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.topic-entry .entry-field {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: .04em;
}

/* 查阅顺序 */
.order-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.order-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 20px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.order-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ochre);
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
}

.order-name {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}

.order-note {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* 专题与期次关系 */
.relation-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.relation-column {
  min-width: 0;
}

.relation-subtitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.relation-column p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.relation-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

/* ---------------------------------------------------------
   pages —— 阅读说明
   --------------------------------------------------------- */
.guide-section {
  margin-bottom: 56px;
}

.guide-section:last-child {
  margin-bottom: 0;
}

.guide-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--wall-deep);
  margin-bottom: 24px;
}

.guide-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  aspect-ratio: 16 / 6;
}

.media-caption {
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: .04em;
  border-top: 1px solid var(--line);
  background-color: #FFFFFF;
}

.guide-fields .field-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  overflow: hidden;
}

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

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

.faq-item[open] {
  border-color: var(--ochre);
}

.faq-question {
  display: block;
  padding: 15px 46px 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  min-height: 44px;
  position: relative;
}

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

.faq-question::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 400;
  color: var(--ochre);
  line-height: 1;
}

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

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

.faq-answer {
  padding: 14px 18px 16px;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.9;
  border-top: 1px solid var(--line);
}

.faq-answer p {
  margin-bottom: 10px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 查阅路径四步 */
.path-steps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.path-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.step-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ochre);
  letter-spacing: .06em;
  padding-top: 3px;
  font-variant-numeric: tabular-nums;
}

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

.step-title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.step-text {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 0;
}

/* 更正与反馈 */
.correction-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.correction-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 20px;
  min-width: 0;
}

.correction-title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.correction-text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-bottom: 0;
}

/* 阅读说明侧栏 */
.guide-aside {
  min-width: 0;
}

.tag-block-list {
  display: grid;
  gap: 0;
  margin: 0 0 26px;
  border-top: 1px solid var(--line);
}

.tag-block {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.tag-name {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.tag-value {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.7;
}

.aside-links {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.aside-links .aside-title {
  margin-bottom: 12px;
}

.aside-link-list {
  display: grid;
  gap: 8px;
}

.aside-link-list a {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 7px 0;
  min-height: 34px;
  line-height: 20px;
  border-bottom: 1px solid transparent;
}

.aside-link-list a:hover,
.aside-link-list a:focus-visible {
  color: var(--ochre);
  border-bottom-color: var(--ochre);
}

/* ---------------------------------------------------------
   pages —— 404
   --------------------------------------------------------- */
.error-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 24px 88px;
}

.error-panel {
  max-width: 640px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #FFFFFF;
  padding: 40px 36px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ochre);
  letter-spacing: .16em;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.error-title {
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}

.error-text {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
  margin-bottom: 12px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.error-button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--ochre);
  border-radius: var(--radius);
  background-color: var(--ochre);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 500;
}

.error-button:hover,
.error-button:focus-visible {
  background-color: var(--ink);
  border-color: var(--ink);
  color: #FFFFFF;
}

.error-link {
  font-size: 14px;
  color: var(--slate);
  border-bottom: 1px solid transparent;
  padding: 10px 0;
  min-height: 44px;
  line-height: 24px;
}

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

/* ---------------------------------------------------------
   responsive
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
    padding: 44px 0 40px;
  }

  .hero-title {
    font-size: 32px;
  }

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

  .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px 18px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .layout-aside {
    position: static;
  }

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

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

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

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

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 28px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 20px;
  }

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

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

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0 12px;
    border-top: 1px solid var(--line);
  }

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

  .nav-list a {
    display: block;
    padding: 12px 2px;
    min-height: 44px;
    line-height: 20px;
    border-bottom: 1px solid var(--line);
  }

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

  .inner-main {
    padding: 0 20px 60px;
  }

  .hero,
  .hero-issue,
  .genre-overview,
  .issue-entries,
  .split-section,
  .site-index {
    padding-left: 20px;
    padding-right: 20px;
  }

  .intro-line {
    padding-left: 20px;
    padding-right: 20px;
  }

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

  .section-title {
    font-size: 21px;
  }

  .hero-title {
    font-size: 27px;
  }

  .hero-figure img {
    height: 210px;
  }

  .split-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

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

  .entry-row {
    grid-template-columns: 84px minmax(0, 1fr);
    grid-template-areas:
      "issue name"
      "genre status";
    gap: 6px 14px;
    align-items: center;
    padding: 14px 2px;
  }

  .entry-row .entry-issue {
    grid-area: issue;
  }

  .entry-row .entry-name {
    grid-area: name;
  }

  .entry-row .entry-genre {
    grid-area: genre;
  }

  .entry-row .entry-status {
    grid-area: status;
    text-align: right;
  }

  .relation-columns,
  .correction-steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .order-step {
    grid-template-columns: 34px minmax(0, 1fr);
    grid-template-areas:
      "idx name"
      "idx note";
    gap: 4px 14px;
  }

  .order-step .order-index {
    grid-area: idx;
    padding-top: 3px;
  }

  .order-step .order-name {
    grid-area: name;
  }

  .order-step .order-note {
    grid-area: note;
  }

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

  .error-panel {
    padding: 30px 22px;
  }

  .error-title {
    font-size: 25px;
  }
}

@media (max-width: 480px) {
  .site-body {
    font-size: 15.5px;
  }

  .header-inner {
    padding: 10px 16px;
  }

  .site-brand {
    font-size: 18px;
  }

  .inner-main {
    padding: 0 16px 52px;
  }

  .hero,
  .hero-issue,
  .genre-overview,
  .issue-entries,
  .split-section,
  .site-index {
    padding-left: 16px;
    padding-right: 16px;
  }

  .intro-line {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

  .hero-figure img {
    height: 180px;
  }

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

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

  .genre-grid,
  .index-grid,
  .topic-grid,
  .issue-index-groups,
  .field-carry-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .genre-figure img {
    height: 168px;
  }

  .issue-composition-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 3px;
  }

  .issue-figure img,
  .topic-block-figure img,
  .topic-figure img {
    height: 168px;
  }

  .guide-media img {
    height: 180px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 40px 16px 32px;
  }

  .footer-copy {
    padding: 16px;
  }

  .error-main {
    padding: 48px 16px 64px;
  }

  .error-actions {
    gap: 12px;
  }

  .error-button {
    width: 100%;
    justify-content: center;
  }

  .bridge-links {
    flex-direction: column;
    align-items: stretch;
  }

  .bridge-links .path-link {
    text-align: center;
  }
}

/* 轻微滚动增强：不影响初始可见性 */
@media (prefers-reduced-motion: no-preference) {
  .genre-card,
  .topic-card,
  .entry-card,
  .issue-block,
  .faq-item {
    transition: border-color .18s ease, background-color .18s ease;
  }
}