/* ==========================================================================
   base — 全站基础变量、重置、字体与通用元素
   ========================================================================== */

:root {
  --color-dark: #1a1a1a;
  --color-text: #333333;
  --color-muted: #666666;
  --color-accent: #0d7377;
  --color-accent-dark: #0a5a5e;
  --color-bg: #ffffff;
  --color-bg-light: #f5f5f5;
  --color-border: #e5e5e5;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --container-padding: 0 24px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --transition: 0.2s ease;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent-dark);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  color: var(--color-dark);
  line-height: 1.3;
  font-weight: 700;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

p {
  margin-bottom: 12px;
}

/* ==========================================================================
   layout — 全站统一页头、页脚、容器、面包屑与页面标题
   ========================================================================== */

.container,
.header-inner,
.footer-inner,
.site-main,
.inner-main {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---- 页头 ---- */

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0;
}

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

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

.site-nav .nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
  line-height: 1.4;
}

.site-nav .nav-list a:hover {
  color: var(--color-accent);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 1px;
}

/* ---- 页脚 ---- */

.site-footer {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  margin-top: 60px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-top: 48px;
  padding-bottom: 40px;
}

.footer-brand .footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  display: block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-muted);
  max-width: 320px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-group h3 {
  font-size: 15px;
  margin-bottom: 14px;
  color: var(--color-dark);
}

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

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

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
}

/* ---- 面包屑 ---- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  padding-top: 20px;
  padding-bottom: 4px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: #bbb;
}

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

/* ---- 页面标题区 ---- */

.page-header {
  padding: 20px 0 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  margin-bottom: 8px;
}

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

/* ---- 内页主容器 ---- */

.site-main {
  padding-top: 8px;
  padding-bottom: 24px;
  min-height: 60vh;
}

.inner-main {
  padding-top: 8px;
  padding-bottom: 24px;
  min-height: 60vh;
}

/* ==========================================================================
   components — 通用组件：标签、卡片、按钮、侧栏、列表
   ========================================================================== */

/* ---- 标签 ---- */

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-light);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

.tag-romance {
  background-color: #fdf0f0;
  border-color: #f0d5d5;
  color: #b35656;
}

.tag-action {
  background-color: #f0f4fd;
  border-color: #d5e0f0;
  color: #4a6da7;
}

.tag-fantasy {
  background-color: #f2f0fd;
  border-color: #ddd5f0;
  color: #6a56b3;
}

.tag-mystery {
  background-color: #f0f5f2;
  border-color: #d0e0d5;
  color: #3d7a5a;
}

.tag-school {
  background-color: #fdf8f0;
  border-color: #f0e5d0;
  color: #a87a3d;
}

.tag-drama {
  background-color: #f5f0f0;
  border-color: #e0d5d5;
  color: #7a4a4a;
}

/* ---- 按钮 ---- */

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition), color var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  color: #fff;
}

.btn-secondary {
  background-color: var(--color-bg);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-bg-light);
  color: var(--color-accent-dark);
}

/* ---- 封面图容器 ---- */

.featured-media,
.work-cover,
.card-media,
.guide-figure,
.rank-link img,
.update-link img,
.work-card img,
.recommend-card .card-media img {
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-light);
}

.featured-media img,
.work-cover img,
.card-media img,
.work-card img,
.recommend-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- 侧栏 ---- */

.sidebar-left .page-layout,
.sidebar-left.layout-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.sidebar-left .page-layout .main-content,
.sidebar-left .page-layout .guide-content,
.sidebar-left .page-layout .category-content {
  min-width: 0;
}

.sidebar-left .page-layout .sidebar,
.sidebar-left .page-layout .guide-sidebar,
.sidebar-left .page-layout .category-sidebar {
  min-width: 0;
}

/* ---- 侧栏卡片 ---- */

.guide-sidebar,
.category-sidebar,
.sidebar {
  position: sticky;
  top: 84px;
}

.sidebar-card,
.sidebar-block {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-card h2,
.sidebar-block h3 {
  font-size: 16px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-links li {
  margin-bottom: 10px;
}

.sidebar-links a {
  font-size: 14px;
  color: var(--color-text);
  display: block;
  padding: 4px 0;
}

.sidebar-links a:hover {
  color: var(--color-accent);
}

/* ---- 分类筛选 ---- */

.category-filter li {
  margin-bottom: 4px;
}

.category-filter a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
}

.category-filter a:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
}

.category-filter span {
  font-size: 12px;
  color: var(--color-muted);
}

/* ==========================================================================
   pages — 首页各模块
   ========================================================================== */

/* ---- 焦点作品 ---- */

.featured-work {
  padding: 32px 0 8px;
}

.featured-work .section-title {
  font-size: 22px;
  margin-bottom: 20px;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.featured-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.featured-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.featured-main .featured-media {
  aspect-ratio: 16 / 9;
}

.featured-card:not(.featured-main) .featured-media {
  aspect-ratio: 16 / 10;
}

.featured-info {
  padding: 20px;
}

.featured-info h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.featured-tags {
  margin-bottom: 10px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.featured-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- 分类条 ---- */

.category-strip {
  padding: 40px 0 8px;
}

.category-strip .section-title {
  font-size: 22px;
  margin-bottom: 20px;
}

.category-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.category-tags .tag {
  padding: 10px 24px;
  font-size: 14px;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-tags .tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* ---- 最近更新 ---- */

.latest-updates {
  padding: 40px 0 8px;
}

.latest-updates .section-title {
  font-size: 22px;
  margin-bottom: 24px;
}

.update-group {
  margin-bottom: 28px;
}

.update-date {
  font-size: 15px;
  color: var(--color-muted);
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}

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

.update-item {
  margin: 0;
}

.update-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition);
}

.update-link:hover {
  background-color: var(--color-bg-light);
}

.update-link img {
  width: 64px;
  height: 84px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.update-info {
  display: block;
  min-width: 0;
}

.update-info strong {
  display: block;
  font-size: 14px;
  color: var(--color-dark);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-status {
  font-size: 12px;
  color: var(--color-accent);
}

/* ---- 人气榜单 ---- */

.popular-rank {
  padding: 40px 0 8px;
}

.popular-rank .section-title {
  font-size: 22px;
  margin-bottom: 24px;
}

.rank-list {
  display: grid;
  gap: 12px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition);
}

.rank-item:hover {
  box-shadow: var(--shadow-card);
}

.rank-number {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.rank-link {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.rank-link img {
  width: 56px;
  height: 74px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

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

.rank-info strong {
  display: block;
  font-size: 15px;
  color: var(--color-dark);
  margin-bottom: 2px;
}

.rank-reason {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

/* ---- 指南入口 ---- */

.guide-entry {
  padding: 40px 0 8px;
}

.guide-entry .section-title {
  font-size: 22px;
  margin-bottom: 24px;
}

.guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.guide-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.guide-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.guide-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent);
  flex-shrink: 0;
}

.guide-card-text strong {
  display: block;
  font-size: 17px;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.guide-card-text span {
  font-size: 14px;
  color: var(--color-muted);
}

/* ---- 长尾预告 ---- */

.longtail-preview {
  padding: 40px 0 8px;
}

.longtail-preview .section-title {
  font-size: 22px;
  margin-bottom: 24px;
}

.preview-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.preview-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.preview-romance {
  background-color: #fdf0f0;
  border-color: #f0d5d5;
}

.preview-action {
  background-color: #f0f4fd;
  border-color: #d5e0f0;
}

.preview-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.preview-label {
  font-size: 13px;
  color: var(--color-muted);
}

.preview-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
}

/* ==========================================================================
   pages — 分类页
   ========================================================================== */

.layout-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.category-content {
  min-width: 0;
}

.category-section {
  margin-bottom: 40px;
  scroll-margin-top: 80px;
}

.category-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.work-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.work-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.work-card img {
  aspect-ratio: 3 / 4;
  width: 100%;
}

.work-card h3 {
  font-size: 16px;
  padding: 14px 14px 4px;
}

.work-tags {
  padding: 0 14px;
  margin-bottom: 8px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.work-brief {
  padding: 0 14px 14px;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-guide {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-size: 14px;
}

.related-guide a {
  margin: 0 4px;
}

/* ==========================================================================
   pages — 阅读指南页
   ========================================================================== */

.page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.guide-content {
  min-width: 0;
}

.content-section {
  margin-bottom: 44px;
  scroll-margin-top: 80px;
}

.content-section h2 {
  font-size: 20px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.section-lead {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.guide-figure {
  margin-bottom: 24px;
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.guide-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 10px 4px 0;
}

.steps-list {
  display: grid;
  gap: 20px;
  counter-reset: step;
}

.steps-list li {
  position: relative;
  padding-left: 44px;
  counter-increment: step;
}

.steps-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps-list h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.steps-list p {
  font-size: 14px;
  color: var(--color-muted);
}

.tip-list {
  display: grid;
  gap: 16px;
}

.tip-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.tip-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.tip-item p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background-color: var(--color-bg);
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

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

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--color-muted);
}

.related-links {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.related-links h2 {
  border-bottom: none;
  padding-bottom: 0;
}

.related-list {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.related-list a {
  font-size: 14px;
  font-weight: 600;
}

/* ==========================================================================
   pages — 恋爱推荐页
   ========================================================================== */

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

.recommend-section {
  margin-bottom: 44px;
}

.recommend-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.recommend-section > p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.recommend-section .work-card {
  display: flex;
  gap: 20px;
  padding: 16px;
  margin-bottom: 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition);
}

.recommend-section .work-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.recommend-section .work-cover {
  width: 140px;
  flex-shrink: 0;
}

.recommend-section .work-cover img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
}

.recommend-section .work-info {
  flex: 1;
  min-width: 0;
}

.recommend-section .work-info h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.recommend-section .work-info .work-tags {
  padding: 0;
  margin-bottom: 10px;
}

.recommend-section .work-info .work-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

.recommend-section .work-info .work-point {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
}

.reason-section {
  margin-bottom: 44px;
}

.reason-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.reason-section > p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.reason-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.reason-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

.reason-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.reason-item p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

.related-section {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.related-section h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

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

.related-section a {
  font-weight: 600;
  margin-right: 16px;
}

/* ==========================================================================
   pages — 热血推荐页
   ========================================================================== */

.recommend-section .recommend-card {
  display: flex;
  gap: 20px;
  padding: 16px;
  margin-bottom: 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition);
}

.recommend-section .recommend-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.recommend-card .card-media {
  width: 140px;
  flex-shrink: 0;
}

.recommend-card .card-media img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
}

.recommend-card .card-body {
  flex: 1;
  min-width: 0;
}

.recommend-card .card-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.card-tags .tag {
  font-size: 12px;
}

.recommend-card .card-body p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.analysis-section {
  margin-bottom: 44px;
}

.analysis-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.analysis-section > p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.analysis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.analysis-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

.analysis-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.analysis-item p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

.analysis-note {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 20px;
}

.analysis-note a {
  font-weight: 600;
  margin-right: 16px;
}

/* ==========================================================================
   pages — 404 页
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.error-section {
  text-align: center;
  max-width: 480px;
  padding: 40px 0;
}

.error-section h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 8px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.error-btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  transition: background-color var(--transition), color var(--transition);
}

.error-btn:hover {
  background-color: var(--color-accent);
  color: #fff;
}

/* ==========================================================================
   responsive — 响应式断点
   ========================================================================== */

@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: 1fr 1fr;
  }

  .featured-main {
    grid-column: 1 / -1;
  }

  .update-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .sidebar-left .page-layout,
  .sidebar-left.layout-shell,
  .page-layout {
    grid-template-columns: 220px 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .container,
  .header-inner,
  .footer-inner,
  .site-main,
  .inner-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    height: 56px;
  }

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
  }

  .site-nav .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
  }

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

  .site-nav .nav-list a {
    padding: 12px 24px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .site-nav .nav-list a.is-current {
    border-left-color: var(--color-accent);
    border-bottom: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .featured-main {
    grid-column: auto;
  }

  .category-tags {
    gap: 8px;
  }

  .category-tags .tag {
    padding: 8px 16px;
  }

  .update-list {
    grid-template-columns: 1fr;
  }

  .guide-cards,
  .preview-cards {
    grid-template-columns: 1fr;
  }

  .sidebar-left .page-layout,
  .sidebar-left.layout-shell,
  .page-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .guide-sidebar,
  .category-sidebar,
  .sidebar {
    position: static;
    order: 2;
  }

  .guide-content,
  .category-content,
  .main-content {
    order: 1;
  }

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

  .reason-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .recommend-section .work-card,
  .recommend-section .recommend-card {
    flex-direction: column;
  }

  .recommend-section .work-cover,
  .recommend-card .card-media {
    width: 100%;
  }

  .recommend-section .work-cover img,
  .recommend-card .card-media img {
    aspect-ratio: 16 / 10;
  }

  .guide-figure img {
    aspect-ratio: 16 / 9;
  }

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

@media (max-width: 480px) {
  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  .page-header {
    padding: 16px 0 20px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .rank-item {
    padding: 10px 12px;
    gap: 12px;
  }

  .rank-link {
    gap: 12px;
  }

  .rank-link img {
    width: 48px;
    height: 64px;
  }

  .update-link img {
    width: 56px;
    height: 74px;
  }

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