/* ==========================================================================
   动漫天堂 luzur.cn 全站样式表
   分组：base / layout / components / pages / responsive
   说明：DOM 结构已锁定，本表按真实 class 编写。
   ========================================================================== */

/* --------------------------------------------------------------------------
   base · 变量与基础
   -------------------------------------------------------------------------- */
:root {
  --bg: #FBF9F5;
  --ink: #23201C;
  --ink-soft: #6B655C;
  --line: #E4DED4;
  --hint-bg: #F2EDE3;
  --g1: #C2543F;
  --g2: #3E6E8C;
  --g3: #6F8A4A;
  --g4: #8A5A9E;
  --radius: 6px;
  --wrap: 1180px;
  --pad: 32px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0;
}

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

dl, dd, dt {
  margin: 0;
}

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

a:hover {
  color: var(--g1);
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

time {
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   layout · 骨架：容器 / 页头 / 导航 / 主区 / 面包屑 / 页脚
   -------------------------------------------------------------------------- */
.site-body {
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
}

.header-inner,
.site-main,
.footer-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* 页头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 64px;
}

.brand {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--ink);
  padding: 6px 0;
}

.brand:hover {
  color: var(--g1);
}

/* 导航 */
.site-nav {
  flex: 1 1 auto;
}

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

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

.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  min-height: 44px;
  line-height: 24px;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link.is-current {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--g1);
}

/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
}

/* 主区 */
.site-main {
  display: block;
  padding-top: 28px;
  padding-bottom: 56px;
}

.inner-main {
  padding-top: 20px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.breadcrumb a:hover {
  color: var(--g1);
}

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

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

/* 内页标题区 */
.page-header {
  padding-bottom: 18px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.page-description {
  max-width: 780px;
  font-size: 15px;
  color: var(--ink-soft);
}

/* 顶部事实条 */
.fact-bar {
  background: var(--hint-bg);
  border-bottom: 1px solid var(--line);
}

.fact-text {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px var(--pad);
  font-size: 13px;
  color: var(--ink-soft);
}

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

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 32px;
}

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

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-slogan {
  font-size: 13px;
  color: var(--g3);
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 320px;
}

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

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.footer-list a {
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-list a:hover {
  color: var(--g1);
}

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

.footer-bottom {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px var(--pad) 24px;
}

.footer-note {
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-copy {
  font-size: 12px;
  color: var(--line);
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   components · 通用组件：section 头 / 标签 / 封面卡 / 条目行 / 表格 / 提示条
   -------------------------------------------------------------------------- */
.section-head {
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.section-note {
  font-size: 13px;
  color: var(--ink-soft);
}

.section-note a {
  color: var(--g2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-title {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-intro,
.section-lead {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 780px;
  margin-bottom: 20px;
}

.section-intro a {
  color: var(--g2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 题材标签 */
.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 13px;
  font-weight: 500;
  line-height: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: var(--bg);
  white-space: nowrap;
}

.tag-1,
.tag--1,
.tag-action {
  color: var(--g1);
  border-color: rgba(194, 84, 63, 0.4);
}

.tag-2,
.tag--2,
.tag-slice {
  color: var(--g2);
  border-color: rgba(62, 110, 140, 0.4);
}

.tag-3,
.tag--3,
.tag-adventure {
  color: var(--g3);
  border-color: rgba(111, 138, 74, 0.4);
}

.tag-4,
.tag--4,
.tag-fantasy {
  color: var(--g4);
  border-color: rgba(138, 90, 158, 0.4);
}

.tag-mystery,
.tag-heal {
  color: var(--g2);
  border-color: rgba(62, 110, 140, 0.4);
}

.tag-state,
.tag--status,
.update-status {
  color: var(--ink-soft);
  background: var(--hint-bg);
  border-color: var(--line);
}

/* 封面卡 */
.cover-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hint-bg);
  aspect-ratio: 3 / 4;
}

.cover-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 提示条 */
.boundary-note {
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--hint-bg);
  border-left: 3px solid var(--g3);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-soft);
}

/* 关联入口 */
.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.related-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.related-item a {
  font-weight: 600;
}

.related-note {
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 58% 42%;
  gap: 32px;
  align-items: center;
  padding-bottom: 36px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

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

.hero-title {
  font-size: 32px;
  margin-bottom: 14px;
}

.hero-summary {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 620px;
  margin-bottom: 20px;
}

.hero-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-path {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.path-link {
  font-weight: 600;
  color: var(--g1);
}

.path-note {
  font-size: 13px;
  color: var(--ink-soft);
}

.hero-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--hint-bg);
}

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

.hero-caption {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--hint-bg);
}

/* 题材方向总览 */
.genre-overview {
  margin-bottom: 40px;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.genre-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  border-top-width: 3px;
}

.genre-card-1 { border-top-color: var(--g1); }
.genre-card-2 { border-top-color: var(--g2); }
.genre-card-3 { border-top-color: var(--g3); }
.genre-card-4 { border-top-color: var(--g4); }

.genre-index {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.genre-name {
  font-size: 17px;
}

.genre-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

.genre-meta {
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 8px;
  margin-top: auto;
}

/* 首页并列区 */
.home-columns {
  display: grid;
  gap: 32px;
  margin-bottom: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.home-columns-wall {
  grid-template-columns: 60% 40%;
}

.home-columns-rank {
  grid-template-columns: 55% 45%;
}

.cover-wall,
.update-brief,
.rank-brief,
.field-brief {
  min-width: 0;
}

/* 封面墙：三行不等高 */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cover-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.cover-card:hover {
  border-color: var(--ink-soft);
  transform: translateY(-2px);
}

.cover-title,
.cover-name {
  font-size: 15px;
}

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

.cover-date {
  font-size: 13px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* 最近更新清单 */
.update-list {
  display: flex;
  flex-direction: column;
}

.update-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

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

.update-date {
  font-size: 13px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.update-name {
  font-size: 14px;
  min-width: 0;
  overflow-wrap: anywhere;
}

/* 人气榜单速览 */
.rank-list {
  display: flex;
  flex-direction: column;
}

.rank-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

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

.rank-no {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--g1);
  text-align: center;
}

.rank-name {
  font-size: 14px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.rank-note {
  grid-column: 2 / -1;
  font-size: 13px;
  color: var(--ink-soft);
}

/* 条目字段口径摘要 */
.field-brief-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.field-brief-col {
  min-width: 0;
}

.field-brief-sub {
  font-size: 15px;
  margin-bottom: 10px;
}

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

.field-item {
  font-size: 13px;
  color: var(--ink-soft);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.field-name {
  font-weight: 600;
  color: var(--ink);
}

/* 站内栏目索引 */
.site-index {
  margin-bottom: 8px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.index-col {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.index-name {
  font-size: 15px;
  margin-bottom: 6px;
}

.index-task {
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 题材分类页
   -------------------------------------------------------------------------- */
.genre-directory {
  margin-bottom: 40px;
}

.genre-block {
  display: grid;
  grid-template-columns: 32% 68%;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.genre-block:last-child {
  border-bottom: 0;
}

.genre-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.genre-block--1 .genre-index { color: var(--g1); }
.genre-block--2 .genre-index { color: var(--g2); }
.genre-block--3 .genre-index { color: var(--g3); }
.genre-block--4 .genre-index { color: var(--g4); }

.genre-status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.genre-status dt {
  font-weight: 600;
  color: var(--ink);
}

.genre-entry {
  align-self: flex-start;
  margin-top: 4px;
  padding: 8px 14px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  background: #fff;
}

.genre-entry:hover {
  border-color: var(--g1);
  color: var(--g1);
}

.genre-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-width: 0;
}

/* 方向比较 */
.genre-compare {
  margin-bottom: 40px;
}

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

.compare-item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.compare-name {
  font-size: 15px;
  margin-bottom: 6px;
}

.compare-text {
  font-size: 13px;
  color: var(--ink-soft);
}

/* 字段口径表 */
.field-scope {
  margin-bottom: 40px;
}

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

.field-row {
  display: grid;
  grid-template-columns: 1.1fr 1.6fr 1.3fr;
  gap: 0;
  border-bottom: 1px solid var(--line);
}

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

.field-row--head {
  background: var(--hint-bg);
  font-weight: 600;
}

.field-cell {
  padding: 10px 14px;
  font-size: 13px;
  min-width: 0;
  overflow-wrap: anywhere;
  border-right: 1px solid var(--line);
}

.field-cell:last-child {
  border-right: 0;
}

/* 关联入口 */
.related-entry {
  margin-bottom: 8px;
}

/* --------------------------------------------------------------------------
   pages · 最近更新页
   -------------------------------------------------------------------------- */
.updates-layout {
  display: grid;
  grid-template-columns: 70% 30%;
  gap: 32px;
  align-items: start;
}

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

.updates-aside {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  position: sticky;
  top: 84px;
}

.aside-title {
  font-size: 17px;
  margin-bottom: 8px;
}

.aside-lead {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

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

.aside-item {
  font-size: 13px;
  color: var(--ink-soft);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.aside-note {
  margin-top: 16px;
  font-size: 13px;
}

.aside-note a {
  color: var(--g2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.updates-list-section {
  margin-bottom: 36px;
}

.update-group {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.update-group:last-child {
  border-bottom: 0;
}

.update-date {
  font-size: 15px;
  margin-bottom: 10px;
}

.update-items {
  display: flex;
  flex-direction: column;
}

.update-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

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

.update-name {
  font-size: 14px;
  font-weight: 500;
}

.update-status {
  font-size: 13px;
  padding: 1px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.updates-visual-section {
  margin-bottom: 36px;
}

.updates-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hint-bg);
}

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

.updates-figure figcaption {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--hint-bg);
}

.updates-distribution-section {
  margin-bottom: 8px;
}

.distribution-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.distribution-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.distribution-item a {
  font-weight: 600;
}

.distribution-note {
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 人气榜单页
   -------------------------------------------------------------------------- */
.rank-section {
  margin-bottom: 40px;
}

.rank-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

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

.rank-item-top {
  grid-template-columns: 44px 180px minmax(0, 1fr);
  align-items: center;
  padding: 18px 0;
}

.rank-item .rank-no {
  font-size: 18px;
  color: var(--g1);
}

.rank-cover {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hint-bg);
  aspect-ratio: 3 / 4;
}

.rank-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.rank-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.rank-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.rank-note {
  font-size: 13px;
  color: var(--ink-soft);
}

.rank-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--g2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rank-method,
.rank-shift,
.rank-back {
  margin-bottom: 36px;
}

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

.method-col {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.method-title {
  font-size: 15px;
  margin-bottom: 10px;
}

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

.method-list li {
  font-size: 13px;
  color: var(--ink-soft);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

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

.shift-item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.shift-title {
  font-size: 15px;
  margin-bottom: 6px;
}

.shift-item p {
  font-size: 13px;
  color: var(--ink-soft);
}

.back-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.back-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.back-link {
  font-weight: 600;
}

.back-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 条目字段说明页
   -------------------------------------------------------------------------- */
.field-figure {
  margin: 0 0 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hint-bg);
}

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

.field-figure-caption {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--hint-bg);
}

.field-list-section {
  margin-bottom: 40px;
}

.field-list-section .field-list {
  gap: 10px;
}

.field-list-section .field-item {
  border: 1px solid var(--line);
  border-left: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  background: #fff;
  color: var(--ink);
}

.field-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}

.field-summary::-webkit-details-marker {
  display: none;
}

.field-summary .field-name {
  font-size: 15px;
  font-weight: 600;
}

.field-hint {
  font-size: 13px;
  color: var(--ink-soft);
}

.field-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.field-meaning {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 12px 0;
}

.field-meta {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 6px 12px;
  font-size: 13px;
}

.field-meta-term {
  font-weight: 600;
  color: var(--ink);
}

.field-meta-desc {
  color: var(--ink-soft);
  min-width: 0;
}

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

.boundary-panel {
  padding: 20px;
  background: var(--hint-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.boundary-item {
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 2px solid var(--g3);
}

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

.consistency-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.consistency-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 640px;
}

.consistency-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.consistency-table th {
  background: var(--hint-bg);
  font-weight: 600;
}

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

.consistency-table th:last-child,
.consistency-table td:last-child {
  border-right: 0;
}

.consistency-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

.consistency-note a {
  color: var(--g2);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-right: 12px;
}

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

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

.feedback-step {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.feedback-step-title {
  font-size: 15px;
  margin-bottom: 6px;
}

.feedback-step-text {
  font-size: 13px;
  color: var(--ink-soft);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.related-card:hover {
  border-color: var(--g1);
}

.related-name {
  font-weight: 600;
}

.related-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  padding-top: 56px;
  padding-bottom: 64px;
}

.error-hero {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 40px;
}

.error-code {
  font-size: 56px;
  font-weight: 700;
  color: var(--g1);
  line-height: 1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.error-hero h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

.error-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--g1);
  border-radius: var(--radius);
  color: var(--g1);
  font-weight: 600;
}

.error-home-link:hover {
  background: var(--g1);
  color: #fff;
}

.error-paths-title {
  font-size: 18px;
  margin-bottom: 14px;
}

.error-path-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.error-path-item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.error-path-item a {
  display: inline-block;
  font-weight: 600;
  margin-bottom: 4px;
}

.error-path-item p {
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   responsive · 断点 1080 / 760 / 480
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  :root {
    --pad: 24px;
  }

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

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

  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .home-columns-wall,
  .home-columns-rank {
    grid-template-columns: 1fr;
  }

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

  .genre-block {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .updates-layout {
    grid-template-columns: 1fr;
  }

  .updates-aside {
    position: static;
  }

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

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

  .site-main {
    padding-top: 20px;
    padding-bottom: 40px;
  }

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

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

  .section-title,
  .section-head h2 {
    font-size: 19px;
  }

  .hero-paths {
    grid-template-columns: 1fr;
  }

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

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

  .field-brief-cols {
    grid-template-columns: 1fr;
  }

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

  .method-grid {
    grid-template-columns: 1fr;
  }

  .rank-item-top {
    grid-template-columns: 40px minmax(0, 1fr);
    align-items: start;
  }

  .rank-item-top .rank-cover {
    grid-column: 2;
    max-width: 160px;
  }

  .rank-item-top .rank-body {
    grid-column: 2;
  }

  .consistency-table {
    min-width: 560px;
  }

  /* 移动导航 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 16px rgba(35, 32, 28, 0.06);
    padding: 8px var(--pad) 16px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .nav-link {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    min-height: 44px;
  }

  .nav-link.is-current {
    border-bottom-color: var(--line);
    color: var(--g1);
  }
}

@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 28px;
  }

  .index-grid {
    grid-template-columns: 1fr;
  }

  .genre-grid {
    grid-template-columns: 1fr;
  }

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

  .update-row {
    grid-template-columns: 76px minmax(0, 1fr);
    row-gap: 4px;
  }

  .update-row .tag {
    grid-column: 2;
  }

  .rank-row {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .rank-row .tag {
    grid-column: 2;
  }

  .field-meta {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }

  .field-meta-desc {
    margin-bottom: 8px;
  }

  .error-code {
    font-size: 44px;
  }

  .error-hero h1 {
    font-size: 22px;
  }
}

/* 动效增强：尊重用户偏好，不影响初始可见性 */
@media (prefers-reduced-motion: no-preference) {
  .cover-card,
  .related-card,
  .genre-entry,
  .error-home-link {
    transition: border-color 0.18s ease, transform 0.18s ease,
      background-color 0.18s ease, color 0.18s ease;
  }
}