/* =========================================================
   base / 基础变量与全局样式
   ========================================================= */
:root {
  --color-text: #1a1a1a;
  --color-bg: #f5f5f5;
  --color-accent: #ff5252;
  --color-border: #333333;
  --color-card: #ffffff;
  --color-muted: #666666;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08);
  --transition-fast: 0.2s ease;
}

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

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

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* =========================================================
   layout / 全站布局骨架
   ========================================================= */
.site-header {
  background-color: var(--color-card);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  padding: 8px 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.brand-slogan {
  font-size: 0.75rem;
  color: var(--color-muted);
}

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

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
}

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

.nav-list {
  display: flex;
  gap: 24px;
}

.nav-list a {
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

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

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

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

.site-footer {
  background-color: var(--color-card);
  border-top: 2px solid var(--color-border);
  margin-top: 60px;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 40px 20px 24px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}

.footer-brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-group-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-group-list li {
  margin-bottom: 6px;
}

.footer-group-list a {
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 20px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* =========================================================
   components / 通用组件
   ========================================================= */
.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

.section-intro {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px 20px 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* 页面标题区 */
.inner-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.page-header {
  padding: 24px 0 32px;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 32px;
}

.page-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 720px;
}

/* 图片容器通用约束 */
figure {
  margin: 0;
}

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

/* =========================================================
   components / 首页各模块
   ========================================================= */
.home-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* 首屏 hero */
.hero-section {
  padding: 32px 0 40px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  min-height: 340px;
}

.hero-index {
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
}

.hero-index-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.hero-index-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: auto;
}

.hero-index-list a {
  display: block;
  padding: 10px 12px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9375rem;
}

.hero-index-list a:hover {
  background-color: var(--color-accent);
  color: var(--color-card);
  border-color: var(--color-accent);
}

.hero-index-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.hero-figure {
  min-height: 300px;
}

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

.hero-text {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-text h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-text p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.hero-cta {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-card);
  padding: 12px 28px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  align-self: flex-start;
  transition: background-color var(--transition-fast);
}

.hero-cta:hover {
  background-color: transparent;
  color: var(--color-accent);
}

/* 分类标签带 */
.category-strip {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.category-tags a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.category-tags a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-card);
}

/* 最近更新 */
.updates-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.update-date {
  font-size: 1rem;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 16px;
}

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

.update-item {
  display: flex;
  gap: 12px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  transition: border-color var(--transition-fast);
}

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

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

.update-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.update-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-status {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* 人气榜单 */
.ranking-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.ranking-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: border-color var(--transition-fast);
}

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

.ranking-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  min-width: 40px;
  text-align: center;
}

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

.ranking-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.ranking-reason {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* 阅读指南入口 */
.guide-entry-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.guide-card {
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition-fast);
}

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

.guide-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-card-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.guide-card-link {
  font-weight: 600;
  color: var(--color-accent);
}

/* 长尾专题预告 */
.featured-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.featured-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.featured-card {
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

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

.featured-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.featured-info {
  padding: 20px;
}

.featured-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.featured-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.featured-link {
  font-weight: 600;
  color: var(--color-accent);
}

/* =========================================================
   components / 内页各模块
   ========================================================= */

/* --- 分类页 --- */
.category-list-section {
  padding-bottom: 40px;
}

.category-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
  transition: border-color var(--transition-fast);
}

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

.category-cover {
  width: 160px;
  height: 200px;
}

.category-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.category-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.category-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.category-example {
  font-size: 0.875rem;
}

.category-example a {
  color: var(--color-accent);
  font-weight: 500;
}

.category-guide-section {
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
}

.category-guide-section .guide-content p {
  margin-bottom: 12px;
  max-width: 800px;
}

.category-guide-section .guide-content a {
  color: var(--color-accent);
  font-weight: 500;
}

/* --- 指南页 --- */
.layout-shell {
  display: grid;
  gap: 32px;
  padding-bottom: 40px;
}

.sidebar-left {
  grid-template-columns: 240px 1fr;
}

.guide-sidebar {
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  align-self: start;
  position: sticky;
  top: 80px;
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-nav li {
  margin-bottom: 4px;
}

.sidebar-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}

.sidebar-nav a:hover {
  background-color: var(--color-bg);
  color: var(--color-accent);
}

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

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

.guide-section p {
  margin-bottom: 12px;
  max-width: 800px;
}

.guide-section a {
  color: var(--color-accent);
  font-weight: 500;
}

.guide-figure {
  width: 100%;
  max-width: 600px;
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.guide-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 8px 12px;
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: center;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.guide-tips {
  margin: 16px 0;
  padding-left: 20px;
}

.guide-tips li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.guide-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.guide-tips strong {
  font-weight: 600;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background-color: var(--color-card);
}

.faq-item summary {
  padding: 14px 16px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9375rem;
}

.faq-item p {
  padding: 0 16px 14px;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* --- 推荐列表（恋爱/热血） --- */
.recommend-section,
.hot-blood-section {
  padding-bottom: 40px;
}

.recommend-list,
.recommendation-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.recommend-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color var(--transition-fast);
}

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

.recommend-cover {
  width: 160px;
  height: 200px;
}

.recommend-cover img,
.recommend-cover .cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.recommend-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.recommend-tags {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 8px;
  font-weight: 500;
}

.recommend-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.recommend-reason {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.recommend-reason strong {
  color: var(--color-text);
}

.read-link {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-card);
  padding: 8px 20px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  transition: background-color var(--transition-fast);
}

.read-link:hover {
  background-color: transparent;
  color: var(--color-accent);
}

/* 推荐理由区块 */
.reason-section {
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
  padding-bottom: 40px;
}

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

.reason-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.reason-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.reason-card-text {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 相关阅读 */
.related-section {
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
}

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

.related-item a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}

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

/* 热血页补充 */
.section-footer-note {
  margin-top: 24px;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

.section-footer-note a {
  color: var(--color-accent);
  font-weight: 500;
}

/* =========================================================
   components / 404页
   ========================================================= */
.error-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 60px 20px;
}

.error-panel {
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 32px;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.error-panel h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.error-lead {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-text {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-card);
  padding: 10px 28px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

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

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

/* 1024px 断点 */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-index {
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
  }

  .hero-index-title {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
    white-space: nowrap;
  }

  .hero-index-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 0;
  }

  .hero-index-list a {
    padding: 6px 16px;
  }

  .hero-index-more {
    margin-top: 0;
    margin-left: auto;
    white-space: nowrap;
  }

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

  .sidebar-left {
    grid-template-columns: 1fr;
  }

  .guide-sidebar {
    position: static;
    margin-bottom: 24px;
  }

  .sidebar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .sidebar-nav li {
    margin-bottom: 0;
  }
}

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

  .nav-toggle {
    display: flex;
    order: 3;
  }

  .site-nav {
    flex-basis: 100%;
    order: 4;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 16px;
    width: 100%;
  }

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

  .nav-list li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .nav-list a {
    display: block;
    padding: 12px 4px;
    font-size: 0.9375rem;
  }

  .nav-list a.is-current {
    border-bottom: none;
  }

  .home-main,
  .inner-main {
    padding: 0 16px;
  }

  .hero-section {
    padding: 20px 0 28px;
  }

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

  .hero-figure {
    min-height: 200px;
    max-height: 280px;
  }

  .hero-text {
    padding: 24px 20px;
  }

  .hero-text h1 {
    font-size: 1.6rem;
  }

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

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

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

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

  .category-item,
  .recommend-item {
    grid-template-columns: 120px 1fr;
    gap: 16px;
  }

  .category-cover,
  .recommend-cover {
    width: 120px;
    height: 160px;
  }

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

  .page-title {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

/* 480px 断点 */
@media (max-width: 480px) {
  .brand-name {
    font-size: 1.1rem;
  }

  .brand-slogan {
    font-size: 0.6875rem;
  }

  .hero-index {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-index-more {
    margin-left: 0;
    margin-top: 8px;
  }

  .category-tags a {
    padding: 6px 14px;
    font-size: 0.875rem;
  }

  .update-item {
    flex-direction: row;
    align-items: flex-start;
  }

  .update-item img {
    width: 56px;
    height: 72px;
  }

  .ranking-item {
    flex-direction: column;
    gap: 8px;
  }

  .ranking-num {
    font-size: 1.5rem;
    text-align: left;
  }

  .category-item,
  .recommend-item {
    grid-template-columns: 1fr;
  }

  .category-cover,
  .recommend-cover {
    width: 100%;
    height: 180px;
  }

  .category-cover img,
  .recommend-cover img,
  .recommend-cover .cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

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

  .page-header {
    padding: 16px 0 24px;
    margin-bottom: 24px;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .error-panel {
    padding: 32px 20px;
  }

  .error-panel h1 {
    font-size: 2rem;
  }
}