/* ==========================================================================
   base — 全站基础变量、重置与排版
   ========================================================================== */

:root {
  --paper: #f5efe4;
  --paper-soft: #fbf7ef;
  --ink: #231f1b;
  --ink-soft: #6f6154;
  --accent: #b04a30;
  --bronze: #3f6357;
  --rule: #d8cbb6;
  --rule-strong: #c4b49a;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shell: 1160px;
  --inner: 1100px;
  --gutter: 24px;
  --radius: 4px;
  --radius-lg: 8px;
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
}

h3 {
  font-size: 1.15rem;
}

h4 {
  font-size: 1rem;
}

p {
  margin: 0 0 1em;
}

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

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

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

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

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

figure {
  margin: 0;
}

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

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

.mono {
  font-family: var(--mono);
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

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

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

/* ==========================================================================
   layout — 外壳、容器、页头、页脚、主内容骨架
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background-color: var(--paper);
  border-bottom: 1px solid var(--rule);
  position: relative;
  z-index: 40;
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink);
  line-height: 1.25;
  padding: 8px 0;
}

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

.brand-mark {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-slogan {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

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

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

.nav-link {
  display: inline-block;
  padding: 10px 11px;
  font-size: 0.9rem;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--accent);
}

.nav-link.is-current {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background-color: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-drawer {
  border-top: 1px solid var(--rule);
  background-color: var(--paper-soft);
}

.mobile-drawer[hidden] {
  display: none;
}

.drawer-list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px var(--gutter) 16px;
  display: flex;
  flex-direction: column;
}

.drawer-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 4px;
  font-size: 1rem;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
}

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

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.inner-main {
  max-width: var(--inner);
  margin: 0 auto;
  padding: 0 var(--gutter) 64px;
}

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

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 40px var(--gutter) 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.footer-brand-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.footer-slogan {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.footer-nav {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 10px 0;
}

.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
}

.footer-nav-list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

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

.footer-scope {
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.footer-reader-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.footer-reader-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.86rem;
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
}

.footer-reader-link:hover,
.footer-reader-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

.footer-copy {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  color: var(--ink-soft);
}

.back-to-top span {
  display: block;
  width: 10px;
  height: 10px;
  border-left: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg) translate(2px, 2px);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* 面包屑与页面标题区（全站内页统一） */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.breadcrumb a {
  color: var(--ink-soft);
}

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

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

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

.page-header {
  padding: 18px 0 6px;
}

.page-title {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin: 0;
  max-width: 26ch;
}

.section-code {
  display: block;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 8px;
}

.page-lead,
.page-lede {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 68ch;
  margin: 12px 0 0;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.meta-item {
  display: inline-block;
}

/* 通用双栏骨架：主内容在前，侧栏在后 */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 28px;
}

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

/* ==========================================================================
   components — 通用组件：按钮、标签、章节头、卡片、表格、折叠
   ========================================================================== */

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 0.92rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--paper-soft);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper-soft);
}

.btn-ghost {
  background-color: transparent;
  color: var(--accent);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background-color: var(--accent);
  color: var(--paper-soft);
}

.section {
  padding: 46px 0 0;
}

.section-head {
  margin-bottom: 22px;
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  color: var(--accent);
}

.section-eyebrow::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background-color: var(--rule);
}

.section-head h2,
.section-title {
  margin: 0 0 8px;
}

.section-desc,
.section-intro {
  color: var(--ink-soft);
  max-width: 68ch;
  margin: 0;
}

.section-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.section-note a {
  color: var(--accent);
}

.inline-link {
  color: var(--accent);
  border-bottom: 1px solid rgba(176, 74, 48, 0.35);
}

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

/* 题材标签横滚条 */

.genre-strip-wrap,
.genre-strip,
.genre-tagbar {
  background-color: var(--paper-soft);
  border-bottom: 1px solid var(--rule);
}

.genre-strip-wrap {
  position: relative;
}

.genre-strip-wrap::after,
.genre-strip::after,
.genre-tagbar::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(to right, rgba(251, 247, 239, 0), var(--paper-soft));
}

.genre-strip,
.genre-tagbar {
  position: relative;
}

.genre-strip-list,
.genre-strip-inner,
.genre-strip-scroll,
.genre-tagbar-track,
.genre-tag-list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.genre-strip-list::-webkit-scrollbar,
.genre-strip-inner::-webkit-scrollbar,
.genre-strip-scroll::-webkit-scrollbar,
.genre-tagbar-track::-webkit-scrollbar,
.genre-tag-list::-webkit-scrollbar {
  display: none;
}

.genre-strip-list li,
.genre-tag-list li {
  flex: 0 0 auto;
}

.genre-chip,
.genre-tag {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  min-height: 34px;
  padding: 0 13px;
  font-size: 0.82rem;
  color: var(--bronze);
  background-color: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.genre-chip:hover,
.genre-chip:focus-visible,
.genre-tag:hover,
.genre-tag:focus-visible {
  color: var(--paper-soft);
  background-color: var(--bronze);
  border-color: var(--bronze);
}

/* 编号索引卡 */

.index-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.index-card {
  display: flex;
}

.index-card-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  padding: 20px 20px 20px 22px;
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--ink);
}

.index-card-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background-color: transparent;
  transition: background-color 0.18s ease;
}

.index-card-link:hover,
.index-card-link:focus-visible {
  border-color: var(--rule-strong);
  color: var(--ink);
}

.index-card-link:hover .index-card-no,
.index-card-link:focus-visible .index-card-no {
  color: var(--accent);
}

.index-card-link:hover::before,
.index-card-link:focus-visible::before {
  background-color: var(--accent);
}

.index-card-no {
  font-family: var(--mono);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  line-height: 1.1;
  transition: color 0.18s ease;
}

.index-card-genre {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--bronze);
}

.index-card-summary {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.index-card-arrow {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
}

/* 表格通用 */

.table-scroll,
.genre-table-wrap,
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background-color: var(--paper-soft);
}

.genre-table {
  width: 100%;
  min-width: 640px;
  font-size: 0.86rem;
}

.genre-table thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--ink-soft);
  background-color: var(--paper);
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule-strong);
  white-space: nowrap;
}

.genre-table tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  color: var(--ink);
  line-height: 1.7;
}

.genre-table tbody tr:last-child td {
  border-bottom: 0;
}

.genre-table tbody tr:hover {
  background-color: var(--paper);
}

.genre-table tbody td:first-child {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  white-space: nowrap;
}

.genre-table tbody td a {
  color: var(--accent);
  white-space: nowrap;
}

/* 批次记录条目 */

.batch-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.batch-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.batch-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.batch-no {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.batch-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--bronze);
  background-color: var(--paper-soft);
  border: 1px solid var(--bronze);
  border-radius: var(--radius);
}

.batch-body {
  margin: 0 0 8px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.batch-body .mono {
  color: var(--ink);
  font-size: 0.8rem;
}

.batch-link {
  font-size: 0.85rem;
  color: var(--accent);
}

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

/* 折叠问答 */

.faq-list {
  border-top: 1px solid var(--rule);
}

.faq-item {
  border-bottom: 1px solid var(--rule);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 12px 4px;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--ink-soft);
  border-bottom: 2px solid var(--ink-soft);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(-135deg);
}

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

.faq-answer {
  padding: 0 4px 18px;
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.faq-answer a {
  color: var(--accent);
}

/* ==========================================================================
   pages — 各页业务模块
   ========================================================================== */

/* ---------- 首页 ---------- */

.home-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 64px;
}

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

.cover-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 40px;
  align-items: center;
}

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

.cover-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--accent);
}

.cover-eyebrow .mono {
  font-size: 0.78rem;
}

.cover-eyebrow::after {
  content: "";
  width: 56px;
  height: 1px;
  background-color: var(--rule-strong);
}

#cover-title {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  line-height: 1.28;
  margin: 0 0 16px;
  max-width: 18ch;
}

.cover-lead {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 22px;
}

.chapter-toc {
  border-top: 1px solid var(--rule);
  padding-top: 14px;
  margin-bottom: 24px;
}

.chapter-toc-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
}

.chapter-toc-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  font-size: 0.88rem;
  color: var(--ink);
  border-bottom: 1px solid transparent;
}

.chapter-toc-link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: rotate(-45deg);
  flex: 0 0 auto;
}

.chapter-toc-link:hover,
.chapter-toc-link:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--rule);
}

.cover-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cover-figure {
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background-color: var(--paper-soft);
  padding: 10px;
  overflow: hidden;
}

.cover-figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.cover-figure figcaption {
  padding: 10px 4px 2px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* 本期三条主题支线 */

.branch-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

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

.side-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.branch-item {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}

.branch-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.branch-no {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.78rem;
}

.branch-item h3 {
  margin: 0 0 8px;
}

.branch-item p {
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.branch-figure {
  margin-top: 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper-soft);
}

.branch-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.branch-figure figcaption {
  padding: 9px 12px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.sticky-card {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
}

.side-card-title {
  font-size: 0.98rem;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.issue-archive-table {
  font-size: 0.8rem;
}

.issue-archive-table th,
.issue-archive-table td {
  text-align: left;
  padding: 7px 6px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.6;
}

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

.issue-archive-table th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
  width: 34%;
}

.issue-archive-table td {
  color: var(--ink);
}

.side-card-note {
  margin: 12px 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.75;
}

.side-card-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.84rem;
  color: var(--accent);
}

/* 编辑选读 */

.picks-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
}

.picks-list .pick-item {
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--rule);
}

.pick-no {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 6px;
}

.pick-link {
  display: block;
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.7;
}

.pick-link:hover,
.pick-link:focus-visible {
  color: var(--accent);
}

.picks-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* 阅读四步预览 */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.step-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.steps-grid .step-no {
  font-family: var(--mono);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1.2;
}

.step-card h3 {
  font-size: 1rem;
  margin: 0;
}

.step-card p {
  font-size: 0.86rem;
  color: var(--ink-soft);
  margin: 0;
}

.steps-grid .step-link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 0.82rem;
  color: var(--accent);
}

/* 内容范围与投稿入口说明条 */

.scope-note-section {
  padding-top: 40px;
}

.scope-note-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.scope-text {
  flex: 1 1 320px;
  min-width: 0;
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.scope-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 本期策展 ---------- */

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

.layout-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.content-section {
  margin-bottom: 36px;
}

.content-section h2 {
  margin: 0 0 10px;
}

.content-section > p {
  font-size: 0.96rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.side-card {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
}

.side-title {
  font-size: 1rem;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.issue-facts {
  margin: 0;
}

.fact-row {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.84rem;
}

.fact-row:last-child {
  border-bottom: 0;
}

.fact-row dt {
  flex: 0 0 34%;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

.fact-row dd {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  color: var(--ink);
  line-height: 1.7;
}

.side-note {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.75;
}

.side-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.84rem;
  color: var(--accent);
}

.branch-block {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}

.branch-block:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.branch-code {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.branch-block h3 {
  margin: 0 0 10px;
}

.branch-block > p {
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.pick-list {
  border-top: 1px solid var(--rule);
}

.pick-list .pick-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.pick-code {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1.9;
}

.pick-text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

.pick-text a {
  color: var(--accent);
}

.further-list {
  border-top: 1px solid var(--rule);
}

.further-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.further-link {
  display: inline-block;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.further-link:hover,
.further-link:focus-visible {
  color: var(--accent);
}

.further-item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* ---------- 题材谱系 ---------- */

.page-head {
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}

.rules-section {
  margin-bottom: 40px;
}

.rules-section h2 {
  margin: 0 0 16px;
}

.rules-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

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

.rules-col p {
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.rules-col h3 {
  font-size: 1rem;
  margin: 0 0 10px;
}

.term-table {
  font-size: 0.82rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper-soft);
}

.term-table th,
.term-table td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.65;
}

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

.term-table th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--ink-soft);
  white-space: nowrap;
  width: 38%;
}

.term-table td {
  color: var(--ink);
}

.genre-table-section h2 {
  margin: 0 0 8px;
}

.genre-table-section .section-intro a {
  color: var(--accent);
}

.cell-code {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  white-space: nowrap;
}

.cell-name {
  font-weight: 600;
  white-space: nowrap;
}

.adjacent-section {
  margin-top: 40px;
}

.adjacent-section h2 {
  margin: 0 0 8px;
}

.adjacent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.adjacent-card {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
}

.adjacent-card h3 {
  font-size: 1rem;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

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

.adjacent-side {
  min-width: 0;
}

.adjacent-code {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--bronze);
}

.adjacent-side p:last-child {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- 作者索引 ---------- */

.page-hero {
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}

.creators-clues h2,
.creators-order h2,
.creators-merge h2,
.creators-fields h2,
.creators-related h2 {
  margin: 0 0 8px;
}

.creators-clues,
.creators-order,
.creators-merge,
.creators-fields,
.creators-related {
  margin-bottom: 40px;
}

.clue-block {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}

.clue-block:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

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

.clue-text h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.clue-text p {
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.clue-card {
  min-width: 0;
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px;
}

.clue-card-code {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 10px;
}

.clue-card-fields {
  margin: 0;
  font-size: 0.82rem;
}

.clue-card-fields dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-top: 8px;
}

.clue-card-fields dt:first-child {
  margin-top: 0;
}

.clue-card-fields dd {
  margin: 2px 0 0;
  color: var(--ink);
  line-height: 1.7;
}

.creators-media {
  margin: 18px 0 24px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper-soft);
}

.creators-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.creators-media figcaption {
  padding: 9px 14px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.order-list {
  border-top: 1px solid var(--rule);
}

.order-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.order-num {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1.6;
}

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

.order-body h3 {
  font-size: 0.98rem;
  margin: 0 0 4px;
}

.order-body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.merge-table {
  font-size: 0.84rem;
  min-width: 620px;
}

.merge-table thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--ink-soft);
  background-color: var(--paper);
  padding: 11px 13px;
  border-bottom: 1px solid var(--rule-strong);
  white-space: nowrap;
}

.merge-table tbody th {
  text-align: left;
  padding: 12px 13px;
  border-bottom: 1px solid var(--rule);
  font-weight: 600;
  font-size: 0.84rem;
  color: var(--ink);
  white-space: nowrap;
  vertical-align: top;
}

.merge-table tbody td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  vertical-align: top;
  line-height: 1.7;
}

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

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.field-card {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px;
}

.field-code {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 8px;
}

.field-card h3 {
  font-size: 0.96rem;
  margin: 0 0 6px;
}

.field-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.fields-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.fields-note a {
  color: var(--accent);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.related-item {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px;
}

.related-item a {
  display: inline-block;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

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

.related-item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- 作品动态 ---------- */

.page-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
}

.page-head-main {
  flex: 1 1 340px;
  min-width: 0;
}

.page-head-meta {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  align-self: flex-end;
}

.legend-section {
  margin-bottom: 32px;
}

.legend-section h2 {
  margin: 0 0 8px;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.legend-cell {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.legend-name {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 6px;
}

.legend-desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.updates-section h2 {
  margin: 0 0 8px;
}

.batch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.batch-code {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  border: 1px solid currentColor;
}

.tag-add {
  color: var(--bronze);
}

.tag-revise {
  color: var(--accent);
}

.tag-order {
  color: var(--ink-soft);
}

.tag-genre {
  color: var(--bronze);
}

.batch-entries {
  margin: 0 0 6px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.entry-link {
  color: var(--accent);
  margin-right: 12px;
}

.batch-note {
  margin: 0 0 8px;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.batch-more {
  font-size: 0.84rem;
  color: var(--accent);
}

.aside-intro {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

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

.type-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.type-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.type-item .tag {
  align-self: flex-start;
}

.type-desc {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.batch-origin {
  margin-top: 40px;
}

.batch-origin h2 {
  margin: 0 0 16px;
}

.origin-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}

.origin-figure {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper-soft);
}

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

.origin-figure figcaption {
  padding: 9px 14px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.origin-text p {
  font-size: 0.94rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* ---------- 阅读指引 ---------- */

.page-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.guide-steps {
  margin-bottom: 44px;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 20px;
}

.step-block {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: 28px;
  align-items: start;
  padding: 22px;
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

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

.guide-steps .step-no {
  display: block;
  font-family: var(--mono);
  font-size: 1.6rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.step-title {
  font-size: 1.1rem;
  margin: 0 0 6px;
}

.step-note {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

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

.step-figure {
  margin: 0 0 16px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper);
}

.step-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.step-figure figcaption {
  padding: 8px 12px;
  font-size: 0.76rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.step-part {
  margin-bottom: 12px;
}

.step-part-title {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--bronze);
  margin: 0 0 4px;
}

.step-part p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.step-link {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.86rem;
  color: var(--accent);
}

.scope-note {
  margin-bottom: 44px;
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.scope-card {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px;
}

.scope-card-title {
  font-size: 0.96rem;
  margin: 0 0 6px;
}

.scope-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

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

/* ---------- 投稿与纠错 ---------- */

.page-inner {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding-top: 12px;
}

.page-title-block {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 18px;
}

.contribute-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.contribute-intro-main {
  min-width: 0;
}

.contribute-intro-main h2 {
  margin: 0 0 10px;
}

.contribute-intro-main p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.contribute-figure {
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--paper-soft);
}

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

.contribute-figure figcaption {
  padding: 9px 14px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.contribute-cases h2,
.contribute-order h2,
.contribute-scope h2,
.contribute-note h2,
.contribute-related h2 {
  margin: 0 0 8px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.case-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
}

.case-index {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.case-card h3 {
  font-size: 1rem;
  margin: 0;
}

.case-fit {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.case-materials {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.case-materials li {
  position: relative;
  padding-left: 14px;
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.case-materials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background-color: var(--bronze);
  border-radius: 50%;
}

.order-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 18px;
  border-top: 1px solid var(--rule);
}

.order-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

.contribute-order .step-number {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1.5;
}

.order-step h3 {
  font-size: 0.98rem;
  margin: 0;
}

.order-step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  max-width: 68ch;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px 22px;
  margin-top: 18px;
}

.scope-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background-color: var(--accent);
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.note-item {
  background-color: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px;
}

.note-item h3 {
  font-size: 0.94rem;
  margin: 0 0 6px;
}

.note-item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.related-links li a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.86rem;
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
}

.related-links li a:hover,
.related-links li a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- 404 ---------- */

.error-main {
  max-width: var(--inner);
  margin: 0 auto;
  padding: 56px var(--gutter) 72px;
}

.error-panel {
  max-width: 640px;
  border-left: 3px solid var(--accent);
  padding-left: 24px;
}

#error-title {
  margin: 0 0 12px;
}

.error-lead {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

.error-hint-list {
  margin: 18px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.error-hint-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.error-hint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background-color: var(--accent);
}

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

/* ==========================================================================
   responsive — 1024px 与 760px 两档断点
   ========================================================================== */

@media (min-width: 1024px) {
  .page-layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 40px;
  }

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

  .layout-side,
  .layout-aside {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .side-column .sticky-card {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 1023px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .cover-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .cover-figure {
    order: 2;
  }

  .branch-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

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

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

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

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

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

@media (max-width: 760px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 15.5px;
    line-height: 1.8;
  }

  .header-inner {
    min-height: 64px;
    gap: 12px;
  }

  .brand-mark {
    font-size: 1.12rem;
  }

  .brand-slogan {
    font-size: 0.64rem;
  }

  .inner-main {
    padding-bottom: 48px;
  }

  .home-main {
    padding-bottom: 48px;
  }

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

  #cover-title {
    max-width: none;
  }

  .chapter-toc-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .cover-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .cover-cta .btn-primary,
  .cover-cta .btn-ghost {
    width: 100%;
  }

  .section {
    padding-top: 36px;
  }

  .index-card-grid,
  .steps-grid,
  .adjacent-grid,
  .field-grid,
  .related-list,
  .legend-grid,
  .scope-grid,
  .case-grid,
  .note-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .scope-note-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .scope-actions {
    width: 100%;
  }

  .scope-actions .btn-primary,
  .scope-actions .btn-ghost {
    flex: 1 1 auto;
  }

  .page-title {
    max-width: none;
  }

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

  .page-head-meta {
    align-self: flex-start;
  }

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

  .adjacent-side + .adjacent-side {
    padding-top: 10px;
    border-top: 1px dashed var(--rule);
  }

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

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

  .footer-inner {
    padding: 32px var(--gutter) 20px;
    gap: 18px;
  }

  .footer-nav-list {
    gap: 2px 18px;
  }

  .footer-reader-row {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-reader-link {
    justify-content: center;
  }

  .error-main {
    padding: 40px var(--gutter) 56px;
  }

  .error-panel {
    padding-left: 16px;
  }

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

  .error-actions .btn {
    width: 100%;
  }

  .genre-strip-list,
  .genre-strip-inner,
  .genre-strip-scroll,
  .genre-tagbar-track,
  .genre-tag-list {
    padding: 9px var(--gutter);
  }
}

@media (max-width: 480px) {
  .genre-table {
    min-width: 560px;
  }

  .merge-table {
    min-width: 540px;
  }

  .batch-entries .entry-link {
    display: inline-block;
    margin: 0 10px 4px 0;
  }

  .pick-item {
    gap: 10px;
  }
}