/* ==========================================================================
   风车动漫 oukdz.cn — 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base：变量、重置、排版、通用元素
   -------------------------------------------------------------------------- */
:root {
  --c-primary: #1F5FBF;
  --c-primary-dark: #164a99;
  --c-line-red: #E8543F;
  --c-line-green: #2E9E6B;
  --c-line-gold: #C79A1E;
  --c-bg: #F5F7FA;
  --c-card: #FFFFFF;
  --c-text: #1F2430;
  --c-muted: #5A6474;
  --c-border: #DDE3EC;
  --c-border-strong: #C3CCDA;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-card: 0 1px 2px rgba(31, 36, 48, 0.05);
  --shadow-hover: 0 3px 10px rgba(31, 95, 191, 0.12);
  --container: 1160px;
  --gap: 24px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
}

p {
  margin: 0;
}

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

dl,
dd {
  margin: 0;
}

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

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

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

button {
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   layout：页头、主导航、主容器、骨架、页脚
   -------------------------------------------------------------------------- */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--c-bg);
  color: var(--c-text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--c-card);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
  font-weight: 600;
  text-decoration: none;
  padding: 8px 0;
}

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

.brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: var(--radius-sm);
  background: var(--c-primary);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: #fff;
  border-radius: 1px;
}

.brand-mark::before {
  width: 4px;
  height: 14px;
  left: 8px;
  top: 8px;
}

.brand-mark::after {
  width: 4px;
  height: 9px;
  left: 17px;
  top: 8px;
}

.brand-text {
  font-size: 18px;
  letter-spacing: 0;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  min-height: 44px;
  background: var(--c-card);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-icon {
  width: 18px;
  height: 12px;
  position: relative;
  flex: 0 0 18px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-text);
  border-radius: 1px;
}

.nav-toggle-icon::before {
  top: 0;
  box-shadow: 0 5px 0 var(--c-text);
}

.nav-toggle-icon::after {
  bottom: 0;
}

.nav-toggle-label {
  font-size: 14px;
  color: var(--c-text);
}

.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
  text-decoration: none;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--c-primary);
  background: #EEF3FB;
  text-decoration: none;
}

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

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

.home-main {
  display: block;
}

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px 24px 56px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--c-muted);
  padding: 4px 0 12px;
}

.breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--c-primary);
  text-decoration: underline;
}

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

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

.page-header {
  padding: 4px 0 28px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 10px;
}

.page-description {
  font-size: 15px;
  color: var(--c-muted);
  max-width: 760px;
}

.site-footer {
  background: var(--c-card);
  border-top: 1px solid var(--c-border);
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 24px;
}

.footer-about {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
  max-width: 720px;
  margin-bottom: 24px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-border);
}

.footer-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 10px;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-list a {
  font-size: 13px;
  color: var(--c-muted);
  text-decoration: none;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--c-primary);
  text-decoration: underline;
}

.footer-copy {
  padding-top: 16px;
  font-size: 13px;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   components：通用区块、卡片、标签、列表、折叠、图片框
   -------------------------------------------------------------------------- */
.section {
  margin-bottom: 48px;
}

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

.section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
}

.section-desc,
.section-intro,
.section-lead {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  max-width: 780px;
}

.section-intro,
.section-lead {
  margin-bottom: 20px;
}

.section-foot {
  margin-top: 20px;
  font-size: 14px;
  color: var(--c-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.text-link {
  font-size: 14px;
  color: var(--c-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 95, 191, 0.35);
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--c-primary-dark);
  border-bottom-color: var(--c-primary-dark);
  text-decoration: none;
}

.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: #F2F5FA;
  color: var(--c-muted);
  white-space: nowrap;
}

.tag-genre {
  border-color: rgba(232, 84, 63, 0.35);
  background: #FDF1EF;
  color: #B33A28;
}

.tag-update {
  border-color: rgba(46, 158, 107, 0.35);
  background: #EDF7F2;
  color: #227A52;
}

.tag-type {
  border-color: rgba(199, 154, 30, 0.4);
  background: #FBF4E3;
  color: #8A6A0F;
}

/* 封面卡（首页 + 题材分类页共用底层） */
.cover-card {
  list-style: none;
}

.cover-card-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 10px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  color: var(--c-text);
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.cover-card-link:hover,
.cover-card-link:focus-visible {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
  color: var(--c-text);
}

.cover-card-link img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #E8EDF5;
}

.cover-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/* 字段对照条 */
.field-list {
  border-top: 1px solid var(--c-border);
}

.field-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--c-border);
}

.field-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
}

.field-desc,
.field-meaning {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 折叠条目（字段误读、指引反馈） */
.misread-list,
.guide-feedback details,
.feedback-item {
  border-top: 1px solid var(--c-border);
}

.misread-item,
.feedback-item {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-card);
}

.misread-question,
.feedback-summary {
  cursor: pointer;
  padding: 14px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.misread-question::-webkit-details-marker,
.feedback-summary::-webkit-details-marker {
  display: none;
}

.misread-question::before,
.feedback-summary::before {
  content: "＋";
  color: var(--c-primary);
  font-weight: 600;
  flex: 0 0 auto;
}

.misread-item[open] .misread-question::before,
.feedback-item[open] .feedback-summary::before {
  content: "－";
}

.misread-answer,
.feedback-body {
  padding: 0 12px 16px 34px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* 图片框（字段示意、步骤示意） */
.field-figure,
.guide-figure {
  margin: 0 0 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-card);
}

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

.field-figure figcaption,
.guide-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
  border-top: 1px solid var(--c-border);
}

/* --------------------------------------------------------------------------
   pages：首页
   -------------------------------------------------------------------------- */
.fact-bar {
  background: #EAF0FA;
  border-bottom: 1px solid var(--c-border);
  padding: 8px 24px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
  text-align: center;
}

/* 首屏题材操作面 */
.hero {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-border);
  padding: 40px 0 44px;
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

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

.hero-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 14px;
}

.hero-summary {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  margin-bottom: 24px;
}

.hero-paths {
  display: grid;
  gap: 12px;
}

.hero-path {
  border-left: 3px solid var(--c-primary);
  padding-left: 14px;
}

.hero-path-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 2px;
}

.hero-path-link {
  display: inline-block;
  font-size: 14px;
  color: var(--c-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 95, 191, 0.35);
  padding: 2px 0;
}

.hero-path-link:hover,
.hero-path-link:focus-visible {
  color: var(--c-primary-dark);
  border-bottom-color: var(--c-primary-dark);
  text-decoration: none;
}

.hero-path-desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
  margin-top: 2px;
}

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

.hero-figure {
  margin: 0 0 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #E8EDF5;
}

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

.hero-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
  border-top: 1px solid var(--c-border);
  background: var(--c-card);
}

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

/* 题材方向总览 */
.section-genres {
  max-width: var(--container);
  margin: 48px auto;
  padding: 0 24px;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.genre-box {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-line-red);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.genre-box:nth-child(2) {
  border-top-color: var(--c-line-green);
}

.genre-box:nth-child(3) {
  border-top-color: var(--c-line-gold);
}

.genre-box:nth-child(4) {
  border-top-color: var(--c-primary);
}

.genre-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0;
}

.genre-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}

.genre-scope {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.genre-rep {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text);
}

.genre-link {
  margin-top: auto;
  font-size: 13px;
  color: var(--c-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 95, 191, 0.35);
  align-self: flex-start;
  padding: 2px 0;
}

.genre-link:hover,
.genre-link:focus-visible {
  color: var(--c-primary-dark);
  border-bottom-color: var(--c-primary-dark);
  text-decoration: none;
}

/* 首页左右并列区 */
.split-layout {
  max-width: var(--container);
  margin: 0 auto 48px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.split-layout .section {
  margin-bottom: 0;
}

.split-layout .section-covers {
  min-width: 0;
}

.section-updates {
  min-width: 0;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
}

.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

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

.cover-card .tag {
  align-self: flex-start;
}

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

.update-item {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--c-border);
  font-size: 14px;
}

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

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

.update-name {
  color: var(--c-text);
  font-weight: 600;
  text-decoration: none;
  min-width: 0;
}

.update-name:hover,
.update-name:focus-visible {
  color: var(--c-primary);
  text-decoration: underline;
}

.aside-more {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--c-border);
  font-size: 14px;
}

/* 人气位次参考（首页） */
.section-ranking {
  min-width: 0;
}

.rank-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-border);
}

.rank-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
}

.rank-no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-line-gold);
}

.rank-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 2px;
}

.rank-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 条目字段口径摘要（首页 aside） */
.section-fields {
  min-width: 0;
}

/* 站内栏目索引 */
.section-index {
  max-width: var(--container);
  margin: 0 auto 56px;
  padding: 0 24px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.index-cell {
  min-width: 0;
}

.index-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 14px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text);
  text-decoration: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.index-link:hover,
.index-link:focus-visible {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-hover);
  color: var(--c-text);
  text-decoration: none;
}

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

.index-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   pages：题材分类
   -------------------------------------------------------------------------- */
.genre-groups {
  margin-bottom: 48px;
}

.genre-groups .section-desc {
  margin-bottom: 20px;
}

.genre-group {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.genre-group-head {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--c-border);
}

.genre-group-head .genre-code {
  display: inline-block;
  padding: 4px 6px;
  text-align: center;
  background: #F2F5FA;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  align-self: start;
}

.genre-group-meta {
  min-width: 0;
}

.genre-group-meta .genre-name {
  margin-bottom: 6px;
}

.genre-group-meta .genre-scope {
  margin-bottom: 4px;
}

.genre-trait {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.cover-card-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cover-card-media {
  margin: 0;
}

.cover-card-media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #E8EDF5;
}

.cover-card-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

.cover-card-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(232, 84, 63, 0.35);
  background: #FDF1EF;
  color: #B33A28;
  white-space: nowrap;
}

.cover-card-status {
  display: inline-block;
  align-self: flex-start;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: #F2F5FA;
  color: var(--c-muted);
  white-space: nowrap;
}

.cover-card-status.is-updating {
  border-color: rgba(46, 158, 107, 0.35);
  background: #EDF7F2;
  color: #227A52;
}

.cover-card-status.is-finished {
  border-color: rgba(31, 95, 191, 0.3);
  background: #EEF3FB;
  color: var(--c-primary-dark);
}

.cover-card-status.is-paused {
  border-color: rgba(199, 154, 30, 0.4);
  background: #FBF4E3;
  color: #8A6A0F;
}

.genre-rules {
  margin-bottom: 8px;
}

.genre-rules .section-desc {
  margin-bottom: 20px;
}

.rule-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.rule-item {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
}

.rule-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.rule-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.genre-rules-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--c-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

/* --------------------------------------------------------------------------
   pages：最近更新
   -------------------------------------------------------------------------- */
.updates-records {
  margin-bottom: 48px;
}

.update-group {
  margin-bottom: 24px;
}

.update-group .update-date {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  padding: 8px 0;
  border-bottom: 2px solid var(--c-primary);
  margin-bottom: 4px;
}

.update-group .update-list {
  border-top: 0;
}

.update-group .update-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
}

.update-thumb {
  margin: 0;
  width: 72px;
}

.update-thumb img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #E8EDF5;
}

.update-body {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
}

.update-body .update-name {
  font-size: 15px;
}

.update-tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: #F2F5FA;
  color: var(--c-muted);
  white-space: nowrap;
}

.update-tag--genre {
  border-color: rgba(232, 84, 63, 0.35);
  background: #FDF1EF;
  color: #B33A28;
}

.update-tag--type {
  border-color: rgba(46, 158, 107, 0.35);
  background: #EDF7F2;
  color: #227A52;
}

.updates-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-muted);
}

.updates-fields {
  margin-bottom: 48px;
}

.updates-summary {
  margin-bottom: 8px;
}

.direction-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.direction-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}

.direction-count {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-line-green);
  margin-bottom: 8px;
}

.direction-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   pages：人气位次
   -------------------------------------------------------------------------- */
.ranking-section {
  margin-bottom: 48px;
}

.ranking-list {
  border-top: 1px solid var(--c-border);
}

.ranking-item {
  display: grid;
  grid-template-columns: 48px 64px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-border);
}

.rank-cover {
  margin: 0;
  width: 64px;
}

.rank-cover img {
  width: 64px;
  height: 86px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #E8EDF5;
}

.ranking-item .rank-no {
  font-size: 18px;
  color: var(--c-line-gold);
  padding-top: 2px;
}

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

.rank-body .rank-name {
  font-size: 16px;
  margin-bottom: 4px;
}

.rank-body .rank-name a {
  color: var(--c-text);
  text-decoration: none;
}

.rank-body .rank-name a:hover,
.rank-body .rank-name a:focus-visible {
  color: var(--c-primary);
  text-decoration: underline;
}

.rank-genre {
  font-size: 13px;
  color: var(--c-line-red);
  margin-bottom: 4px;
}

.ranking-basis {
  margin-bottom: 48px;
}

.basis-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

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

.basis-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.basis-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.ranking-tips {
  margin-bottom: 8px;
}

.tips-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tips-item {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-line-gold);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
}

.tips-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.tips-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   pages：条目字段说明
   -------------------------------------------------------------------------- */
.section-fields {
  margin-bottom: 48px;
}

.section-boundary {
  margin-bottom: 48px;
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

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

.boundary-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.boundary-item p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.section-misread {
  margin-bottom: 48px;
}

.section-related {
  margin-bottom: 8px;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
}

.related-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  min-width: 0;
}

.related-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
  text-decoration: none;
}

.related-item a:hover,
.related-item a:focus-visible {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

.related-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   pages：查阅路径指引
   -------------------------------------------------------------------------- */
.guide-steps {
  margin-bottom: 48px;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

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

.step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--c-primary);
  border-radius: var(--radius-sm);
  padding: 1px 8px;
  margin-bottom: 10px;
}

.step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.guide-entries {
  margin-bottom: 48px;
}

.entry-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
}

.entry-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 14px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  min-width: 0;
}

.entry-step {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-line-green);
  padding-top: 2px;
}

.entry-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}

.entry-title a {
  color: var(--c-text);
  text-decoration: none;
}

.entry-title a:hover,
.entry-title a:focus-visible {
  color: var(--c-primary);
  text-decoration: underline;
}

.entry-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.guide-feedback {
  margin-bottom: 8px;
}

.feedback-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   pages：404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 56px 24px 72px;
}

.error-inner {
  max-width: 640px;
  width: 100%;
  text-align: center;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 600;
  color: var(--c-primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.error-inner h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}

.error-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 36px;
}

.error-btn {
  display: inline-block;
  padding: 11px 22px;
  min-height: 44px;
  line-height: 1.4;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--c-primary);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.error-btn:hover,
.error-btn:focus-visible {
  background: var(--c-primary-dark);
  color: #fff;
  text-decoration: none;
}

.error-link {
  font-size: 14px;
  color: var(--c-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 95, 191, 0.35);
  padding: 2px 0;
}

.error-link:hover,
.error-link:focus-visible {
  color: var(--c-primary-dark);
  border-bottom-color: var(--c-primary-dark);
  text-decoration: none;
}

.error-tips {
  text-align: left;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
}

.error-tips h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}

.error-tips ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.error-tips li {
  font-size: 14px;
  line-height: 1.7;
}

.error-tips li a {
  color: var(--c-primary);
  text-decoration: none;
}

.error-tips li a:hover,
.error-tips li a:focus-visible {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   responsive：平板与手机
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .genre-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .split-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    min-height: 56px;
    flex-wrap: wrap;
    align-items: center;
  }

  .nav-toggle {
    display: inline-flex;
    order: 2;
  }

  .site-nav {
    order: 3;
    width: 100%;
    display: block;
  }

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

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

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 12px 8px;
    min-height: 44px;
    border-bottom: 1px solid transparent;
    border-left: 3px solid transparent;
    border-radius: 0;
  }

  .nav-link.is-current {
    border-bottom-color: transparent;
    border-left-color: var(--c-primary);
    background: #EEF3FB;
  }

  .inner-main {
    padding: 16px 16px 48px;
  }

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

  .hero {
    padding: 28px 0 32px;
  }

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

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

  .hero-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .section-genres,
  .split-layout,
  .section-index {
    padding: 0 16px;
    margin-bottom: 40px;
  }

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

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

  .cover-grid,
  .cover-card-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

  .section-updates {
    padding: 16px;
  }

  .genre-group {
    padding: 16px;
  }

  .genre-group-head {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
  }

  .rule-list,
  .basis-list,
  .tips-list,
  .boundary-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

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

  .ranking-item {
    grid-template-columns: 40px 56px minmax(0, 1fr);
    gap: 12px;
  }

  .rank-cover,
  .rank-cover img {
    width: 56px;
  }

  .rank-cover img {
    height: 76px;
  }

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

  .footer-inner {
    padding: 28px 16px 20px;
  }

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

  .error-main {
    padding: 40px 16px 56px;
  }
}

@media (max-width: 480px) {
  .fact-bar {
    padding: 8px 16px;
    text-align: left;
  }

  .brand-text {
    font-size: 17px;
  }

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

  .hero-cards .cover-card:last-child {
    grid-column: 1 / -1;
    max-width: 50%;
  }

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

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

  .update-group .update-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 10px;
  }

  .update-thumb,
  .update-thumb img {
    width: 56px;
  }

  .update-thumb img {
    height: 76px;
  }

  .ranking-item {
    grid-template-columns: 34px 48px minmax(0, 1fr);
    gap: 10px;
  }

  .rank-cover,
  .rank-cover img {
    width: 48px;
  }

  .rank-cover img {
    height: 66px;
  }

  .error-code {
    font-size: 36px;
  }

  .misread-answer,
  .feedback-body {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}