/* ============================================================
   喵趣漫画 · 全站样式
   分组：base / layout / components / pages / responsive
   ============================================================ */

/* ------------------------------------------------------------
   base
   ------------------------------------------------------------ */
:root {
  --c-bg: #ffffff;
  --c-text: #1f2328;
  --c-muted: #5b6470;
  --c-accent: #2f6fb0;
  --c-accent-dark: #23558a;
  --c-soft: #eef2f6;
  --c-line: #d8dee6;
  --c-white: #ffffff;
  --radius: 6px;
  --radius-sm: 4px;
  --wrap: 1120px;
  --gap: 24px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

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

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

body.site-body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
}

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

p {
  margin: 0;
}

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

dl,
dd {
  margin: 0;
}

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

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

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

figure {
  margin: 0;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

/* 通用标签 */
.tag {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-soft);
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ------------------------------------------------------------
   layout · 页头 / 导航 / 主容器 / 页脚
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  color: var(--c-text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--c-text);
}

.brand-mark {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-accent);
}

.brand-sub {
  font-size: 13px;
  color: var(--c-muted);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

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

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

.site-nav {
  margin-left: auto;
}

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

.nav-item {
  flex: 0 0 auto;
}

.nav-link {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.6;
  white-space: nowrap;
}

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

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

.site-main {
  display: block;
}

.home-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 56px;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px 56px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 18px 0 0;
  font-size: 14px;
  color: var(--c-muted);
}

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

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

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

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

/* 内页标题区 */
.page-header {
  padding: 14px 0 24px;
  border-bottom: 1px solid var(--c-line);
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--c-text);
}

.page-description {
  margin-top: 10px;
  max-width: 820px;
  font-size: 16px;
  color: var(--c-muted);
}

/* 页脚 */
.site-footer {
  margin-top: 40px;
  background: var(--c-soft);
  border-top: 1px solid var(--c-line);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 20px 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}

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

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

.footer-list a:hover {
  color: var(--c-accent);
}

.footer-bottom {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 20px 32px;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--c-muted);
}

.footer-brand {
  font-weight: 600;
  color: var(--c-text);
}

.footer-note {
  flex: 1 1 260px;
}

.footer-copy {
  color: var(--c-muted);
}

/* ------------------------------------------------------------
   components · 通用区块头 / 按钮 / 列表
   ------------------------------------------------------------ */
.section {
  padding: 40px 0 0;
}

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

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

.section-desc,
.section-intro,
.section-lead {
  margin-top: 8px;
  max-width: 860px;
  font-size: 15px;
  color: var(--c-muted);
}

.section-more {
  margin-top: 16px;
  font-size: 15px;
}

.more-link {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  color: var(--c-accent);
  font-size: 14px;
}

.more-link:hover {
  border-color: var(--c-accent);
  text-decoration: none;
}

/* 条目字段标签（分类页） */
.field-label {
  flex: 0 0 72px;
  color: var(--c-muted);
  font-size: 13px;
  font-family: var(--font-mono);
}

.field-value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--c-text);
}

/* ------------------------------------------------------------
   pages · 首页
   ------------------------------------------------------------ */
.fact-bar {
  margin-top: 20px;
  padding: 12px 18px;
  background: var(--c-soft);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.fact-text {
  font-size: 14px;
  color: var(--c-muted);
}

.hero-section {
  padding: 28px 0 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 32px;
  align-items: start;
}

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

.hero-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.35;
}

.hero-desc {
  margin-top: 14px;
  font-size: 16px;
  color: var(--c-muted);
}

.hero-entries {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-entry {
  flex: 0 0 auto;
}

.entry-link {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  color: var(--c-accent);
  font-size: 15px;
  min-height: 44px;
  line-height: 26px;
}

.entry-link:hover {
  border-color: var(--c-accent);
  background: var(--c-soft);
  text-decoration: none;
}

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

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.hero-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

/* 题材方向总览 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.category-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.category-card:hover {
  border-color: var(--c-accent);
}

.category-name {
  font-size: 18px;
}

.category-scope {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.category-cover {
  margin-top: 14px;
}

.category-cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--c-soft);
}

.category-meta {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* 封面条目速览 */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.cover-card {
  padding: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.cover-card:hover {
  border-color: var(--c-accent);
}

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

.cover-name {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.5;
}

.cover-tags {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* 最近更新批次记录 */
.batch-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.batch-list .batch-group {
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.batch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.batch-code {
  font-size: 16px;
  font-family: var(--font-mono);
}

.batch-head .batch-date {
  font-size: 13px;
  color: var(--c-muted);
}

.batch-items {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.batch-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-size: 14px;
}

.item-name {
  flex: 1 1 150px;
  min-width: 0;
  color: var(--c-text);
}

.item-progress {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
}

.item-status {
  flex: 0 0 auto;
  padding: 1px 8px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-soft);
  font-size: 13px;
  color: var(--c-muted);
}

/* 字段口径摘要 + 查阅路径三步 */
.section-dual .dual-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.dual-col {
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.col-title {
  font-size: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.fields-col .field-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fields-col .field-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}

.fields-col .field-name {
  flex: 0 0 96px;
  font-size: 14px;
  font-family: var(--font-mono);
  color: var(--c-accent);
}

.fields-col .field-desc {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 14px;
  color: var(--c-muted);
}

.col-more {
  margin-top: 16px;
  font-size: 14px;
}

.steps-col .step-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.steps-col .step-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
}

.steps-col .step-index {
  grid-row: 1 / span 3;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-soft);
  border: 1px solid var(--c-line);
  color: var(--c-accent);
  font-size: 14px;
  font-family: var(--font-mono);
}

.steps-col .step-title {
  font-size: 16px;
}

.steps-col .step-desc {
  font-size: 14px;
  color: var(--c-muted);
}

.steps-col .step-link {
  font-size: 14px;
  justify-self: start;
}

/* 站内栏目索引 */
.index-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.index-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.index-item:hover {
  border-color: var(--c-accent);
}

.index-name {
  font-size: 16px;
}

.index-desc {
  flex: 1 1 auto;
  font-size: 14px;
  color: var(--c-muted);
}

.index-link {
  font-size: 14px;
  align-self: flex-start;
}

/* ------------------------------------------------------------
   pages · 题材分类
   ------------------------------------------------------------ */
.category-nav {
  padding: 28px 0 0;
}

.category-nav-list {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-nav-item {
  flex: 0 0 auto;
}

.category-nav-item a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  font-size: 14px;
  min-height: 44px;
  line-height: 26px;
}

.category-nav-item a:hover {
  border-color: var(--c-accent);
  background: var(--c-soft);
  text-decoration: none;
}

.direction-block {
  padding: 32px 0 0;
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  scroll-margin-top: 80px;
}

.direction-intro {
  min-width: 0;
}

.direction-scope {
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-muted);
}

.direction-meta {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.direction-meta dt {
  color: var(--c-muted);
  font-size: 13px;
  font-family: var(--font-mono);
}

.direction-meta dd {
  color: var(--c-text);
}

.direction-entries {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  min-width: 0;
}

.entry-card {
  padding: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

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

.entry-cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--c-soft);
}

.entry-card .entry-name {
  margin-top: 10px;
  font-size: 16px;
}

.entry-fields {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.entry-field {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}

.direction-compare {
  padding: 40px 0 0;
}

.compare-table {
  width: 100%;
  margin-top: 18px;
  border-collapse: collapse;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14px;
  background: var(--c-white);
}

.compare-caption {
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  color: var(--c-muted);
  background: var(--c-soft);
  border-bottom: 1px solid var(--c-line);
}

.compare-table th,
.compare-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--c-line);
  text-align: left;
  vertical-align: top;
}

.compare-table thead th {
  background: var(--c-soft);
  font-weight: 600;
  color: var(--c-text);
}

.compare-table tbody th {
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
}

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

.compare-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--c-muted);
}

.compare-note a {
  margin-right: 12px;
}

/* ------------------------------------------------------------
   pages · 更新记录
   ------------------------------------------------------------ */
.batch-rule {
  padding-top: 32px;
}

.rule-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.rule-item {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.rule-name {
  font-size: 16px;
}

.rule-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.rule-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--c-muted);
}

.rule-note a {
  margin-right: 12px;
}

.batch-group {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

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

.batch-title {
  font-size: 20px;
  font-family: var(--font-mono);
}

.batch-meta .batch-date {
  margin-top: 6px;
  font-size: 13px;
  color: var(--c-muted);
}

.batch-tag {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.batch-figure {
  margin-top: 14px;
}

.batch-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-soft);
}

.batch-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

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

.batch-entries-title {
  font-size: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
}

.entry-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 10px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  font-size: 14px;
}

.entry-item .entry-name {
  flex: 1 1 180px;
  min-width: 0;
}

.entry-progress {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
}

.entry-status {
  flex: 0 0 auto;
  padding: 1px 8px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-soft);
  font-size: 13px;
  color: var(--c-muted);
}

.status-legend {
  padding-top: 40px;
}

.legend-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.legend-card {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.legend-name {
  font-size: 16px;
}

.legend-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.reading-order {
  padding-top: 40px;
}

.order-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  counter-reset: order;
}

.order-item {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.order-name {
  font-size: 16px;
}

.order-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

/* ------------------------------------------------------------
   pages · 条目字段说明
   ------------------------------------------------------------ */
.section-field-map {
  padding-top: 32px;
}

.field-map-figure {
  margin-top: 18px;
}

.field-map-figure img {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-soft);
}

.field-map-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.section-field-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.section-field-list > .section-title,
.section-field-list > .section-intro {
  grid-column: 1 / -1;
}

.section-field-list .field-item {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.section-field-list .field-name {
  font-size: 16px;
  color: var(--c-text);
  font-family: var(--font-sans);
}

.field-meta {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.field-meta dt {
  color: var(--c-muted);
  font-size: 13px;
  font-family: var(--font-mono);
}

.field-meta dd {
  color: var(--c-text);
}

.standard-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.standard-item {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.standard-heading {
  font-size: 16px;
}

.standard-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.misread-table {
  margin-top: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-white);
}

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

.misread-row + .misread-row {
  border-top: 1px solid var(--c-line);
}

.misread-head {
  background: var(--c-soft);
  font-weight: 600;
  font-size: 14px;
}

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

.misread-cell + .misread-cell {
  border-left: 1px solid var(--c-line);
}

.misread-cell-wrong {
  color: var(--c-muted);
}

.misread-cell-right {
  color: var(--c-text);
}

.section-related {
  padding-top: 40px;
}

.related-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.related-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.related-item:hover {
  border-color: var(--c-accent);
}

.related-link {
  font-size: 15px;
  font-weight: 600;
}

.related-desc {
  font-size: 14px;
  color: var(--c-muted);
}

/* ------------------------------------------------------------
   pages · 查阅指引
   ------------------------------------------------------------ */
.guide-steps {
  padding-top: 32px;
}

.guide-figure {
  margin-top: 18px;
}

.guide-figure img {
  width: 100%;
  max-width: 860px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-soft);
}

.guide-figure-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.guide-steps .step-list {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.guide-steps .step-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.guide-steps .step-index {
  grid-row: 1 / span 1;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-soft);
  border: 1px solid var(--c-line);
  color: var(--c-accent);
  font-size: 14px;
  font-family: var(--font-mono);
}

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

.guide-steps .step-title {
  font-size: 16px;
}

.guide-steps .step-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.guide-steps .step-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
}

.guide-back {
  margin-top: 20px;
  font-size: 14px;
}

.guide-feedback {
  padding-top: 40px;
}

.guide-media {
  margin-top: 18px;
}

.guide-media img {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-soft);
}

.guide-media-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.feedback-list {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feedback-item {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  min-width: 0;
}

.feedback-name {
  font-size: 16px;
}

.feedback-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-muted);
}

.feedback-note {
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--c-soft);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  color: var(--c-muted);
}

.guide-boundary {
  padding-top: 40px;
}

.faq-list {
  margin-top: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-white);
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid var(--c-line);
}

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

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

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

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

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

.faq-answer {
  padding: 0 18px 16px;
  font-size: 14px;
  color: var(--c-muted);
}

.guide-related {
  padding-top: 40px;
}

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

/* ------------------------------------------------------------
   pages · 404
   ------------------------------------------------------------ */
.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 56px 20px 64px;
}

.error-panel {
  max-width: 640px;
}

.error-code {
  font-size: 15px;
  font-family: var(--font-mono);
  color: var(--c-accent);
}

.error-panel h1 {
  margin-top: 10px;
  font-size: 28px;
}

.error-text {
  margin-top: 12px;
  font-size: 16px;
  color: var(--c-muted);
}

.error-entries {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.error-entries a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-white);
  font-size: 14px;
  min-height: 44px;
  line-height: 26px;
}

.error-entries a:hover {
  border-color: var(--c-accent);
  background: var(--c-soft);
  text-decoration: none;
}

.error-back {
  margin-top: 24px;
  font-size: 15px;
}

/* ------------------------------------------------------------
   responsive
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .category-grid,
  .cover-grid,
  .legend-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 10px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex: 1 1 100%;
    margin-left: 0;
  }

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

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

  .nav-link {
    padding: 12px 10px;
    min-height: 44px;
    display: flex;
    align-items: center;
    white-space: normal;
  }

  .home-main,
  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

  .category-grid,
  .cover-grid,
  .legend-grid,
  .index-list,
  .rule-list,
  .standard-list,
  .order-list,
  .guide-steps .step-list,
  .feedback-list,
  .section-field-list,
  .related-list,
  .guide-related .related-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .direction-block,
  .batch-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

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

  .compare-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px 16px 20px;
  }

  .footer-bottom {
    padding: 16px 16px 28px;
  }

  .field-map-figure img,
  .guide-figure img,
  .guide-media img {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 24px;
  }

  .page-title,
  .error-panel h1 {
    font-size: 24px;
  }

  .category-grid,
  .cover-grid,
  .legend-grid,
  .index-list,
  .rule-list,
  .standard-list,
  .order-list,
  .guide-steps .step-list,
  .feedback-list,
  .section-field-list,
  .related-list,
  .guide-related .related-list,
  .direction-entries {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .misread-cell + .misread-cell {
    border-left: none;
    border-top: 1px solid var(--c-line);
  }

  .steps-col .step-item,
  .guide-steps .step-item {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .steps-col .step-index,
  .guide-steps .step-index {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }
}

/* 轻量滚动淡入（不影响初始可见性） */
@media (prefers-reduced-motion: no-preference) {
  .section,
  .direction-block,
  .batch-group,
  .guide-feedback,
  .guide-boundary {
    animation: fade-in 0.4s ease-out both;
  }

  @keyframes fade-in {
    from {
      opacity: 0.001;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}