/* ============================================================
   BASE — 全局基础样式
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #2B2B2B;
  background-color: #F5F0E8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #4A6B5D;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #C49A6C;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.3;
  color: #2B2B2B;
}

/* ============================================================
   LAYOUT — 全站容器与骨架
   ============================================================ */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #F5F0E8;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main {
  width: 100%;
}

.inner-main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* ============================================================
   HEADER — 全站统一页头
   ============================================================ */
.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E5DDD0;
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #2B2B2B;
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0.02em;
}

.brand-slogan {
  font-size: 13px;
  color: #8A8072;
  white-space: nowrap;
}

.site-nav {
  display: block;
}

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: #4A4A4A;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-list li a:hover {
  color: #4A6B5D;
  background-color: #F0EBE2;
}

.nav-list li a.is-current {
  color: #4A6B5D;
  background-color: #E8E2D8;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #2B2B2B;
  border-radius: 1px;
}

/* ============================================================
   FOOTER — 全站统一页脚
   ============================================================ */
.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid #E5DDD0;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.footer-brand {
  margin-bottom: 32px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #2B2B2B;
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.footer-tagline {
  margin-top: 8px;
  font-size: 14px;
  color: #8A8072;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid #F0EBE2;
  border-bottom: 1px solid #F0EBE2;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 12px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: #6B6B6B;
}

.footer-col ul li a:hover {
  color: #4A6B5D;
}

.footer-copyright {
  padding-top: 24px;
  text-align: center;
}

.footer-copyright p {
  font-size: 13px;
  color: #8A8072;
  line-height: 1.6;
}

/* ============================================================
   BREADCRUMB — 内页面包屑
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #8A8072;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #E5DDD0;
}

.breadcrumb a {
  color: #6B6B6B;
}

.breadcrumb a:hover {
  color: #4A6B5D;
}

.breadcrumb-sep {
  color: #B5AB9A;
}

.breadcrumb-current {
  color: #4A6B5D;
  font-weight: 500;
}

/* ============================================================
   PAGE HEADER — 内页标题区
   ============================================================ */
.page-header {
  margin-bottom: 40px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: #6B6B6B;
  line-height: 1.6;
  max-width: 720px;
}

/* ============================================================
   COMPONENTS — 通用模块
   ============================================================ */
.section-heading {
  margin-bottom: 24px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: #8A8072;
  line-height: 1.6;
}

/* ============================================================
   HOME — 首页
   ============================================================ */

/* Hero 首屏 */
.hero-section {
  background-color: #F5F0E8;
  padding: 48px 24px;
  border-bottom: 1px solid #E5DDD0;
}

.hero-section {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 64px 24px;
}

.hero-copy {
  padding-right: 16px;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  color: #2B2B2B;
  line-height: 1.25;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: #6B6B6B;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 480px;
}

.hero-cta {
  display: inline-block;
  padding: 12px 28px;
  background-color: #4A6B5D;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.hero-cta:hover {
  background-color: #3D5A4E;
  color: #FFFFFF;
}

.hero-figure {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #E5DDD0;
  background-color: #FFFFFF;
}

.hero-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* 分类导航带 */
.category-nav-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

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

.category-tag {
  display: inline-block;
  padding: 10px 20px;
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 6px;
  font-size: 15px;
  color: #4A4A4A;
  transition: all 0.2s ease;
}

.category-tag:hover {
  border-color: #4A6B5D;
  color: #4A6B5D;
  background-color: #F0EBE2;
}

/* 最近更新 */
.recent-updates-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  border-top: 1px solid #E5DDD0;
}

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

.update-item {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.update-item:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
}

.update-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.update-info {
  padding: 16px;
}

.update-title {
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.update-date {
  display: block;
  font-size: 13px;
  color: #8A8072;
  margin-bottom: 6px;
}

.update-tag {
  display: inline-block;
  padding: 3px 10px;
  background-color: #F0EBE2;
  border-radius: 4px;
  font-size: 12px;
  color: #4A6B5D;
}

/* 人气榜单 */
.ranking-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  border-top: 1px solid #E5DDD0;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 16px 20px;
  transition: box-shadow 0.2s ease;
}

.ranking-item:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
}

.ranking-number {
  font-size: 20px;
  font-weight: 700;
  color: #C49A6C;
  min-width: 32px;
  line-height: 1.4;
}

.ranking-content {
  flex: 1;
}

.ranking-name {
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 4px;
}

.ranking-reason {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.5;
}

/* 指南入口 */
.guide-entry-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  border-top: 1px solid #E5DDD0;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.guide-card {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.guide-card:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
  border-color: #4A6B5D;
}

.guide-card-title {
  font-size: 18px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.guide-card-text {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
}

/* 专题卡 */
.featured-topics-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  border-top: 1px solid #E5DDD0;
}

.topic-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.topic-card {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.topic-card:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
}

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

.topic-title {
  font-size: 18px;
  font-weight: 600;
  color: #2B2B2B;
  padding: 16px 16px 4px;
}

.topic-excerpt {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
  padding: 0 16px 16px;
}

/* ============================================================
   CATEGORIES — 题材分类页
   ============================================================ */
.category-grid {
  margin-bottom: 48px;
}

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

.category-card {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.category-card:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
}

.category-card-media {
  width: 100%;
  overflow: hidden;
}

.category-card-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.category-card-body {
  padding: 16px;
}

.category-card-title {
  font-size: 18px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.category-card-desc {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
  margin-bottom: 12px;
}

.category-card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #4A6B5D;
}

.category-card-link:hover {
  color: #C49A6C;
}

.category-notes {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 32px;
}

.category-notes-content p {
  font-size: 15px;
  color: #4A4A4A;
  line-height: 1.7;
  margin-bottom: 16px;
}

.category-notes-content p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   GUIDE — 阅读指南页
   ============================================================ */
.guide-intro {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
}

.guide-intro p {
  font-size: 15px;
  color: #4A4A4A;
  line-height: 1.7;
}

.guide-hero-figure {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 24px;
}

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

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

.guide-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 12px;
}

.guide-section > p {
  font-size: 15px;
  color: #6B6B6B;
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.guide-step {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 24px;
}

.guide-step .step-number {
  display: inline-block;
  width: 32px;
  height: 32px;
  background-color: #4A6B5D;
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  line-height: 32px;
  margin-bottom: 12px;
}

.guide-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.guide-step p {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
}

.guide-tips {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guide-tip {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 20px 24px;
}

.guide-tip h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 6px;
}

.guide-tip p {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
}

.guide-summary {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 32px;
  margin-top: 48px;
}

.guide-summary h2 {
  font-size: 20px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 12px;
}

.guide-summary p {
  font-size: 15px;
  color: #4A4A4A;
  line-height: 1.7;
  margin-bottom: 12px;
}

.guide-summary a {
  font-weight: 500;
}

/* ============================================================
   ROMANCE — 恋爱推荐页
   ============================================================ */
.recommendation-list {
  margin-bottom: 48px;
}

.recommendation-list .section-intro {
  font-size: 15px;
  color: #6B6B6B;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 720px;
}

.recommend-card {
  display: flex;
  gap: 24px;
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s ease;
}

.recommend-card:hover {
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
}

.recommend-card .card-media {
  flex-shrink: 0;
  width: 160px;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

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

.recommend-card .card-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background-color: #C49A6C;
  color: #FFFFFF;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 4px;
}

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

.recommend-card .card-title {
  font-size: 20px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.recommend-card .card-desc {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
  margin-bottom: 12px;
}

.recommend-card .card-reason {
  font-size: 14px;
  color: #4A4A4A;
  line-height: 1.6;
  background-color: #F0EBE2;
  border-radius: 6px;
  padding: 12px 16px;
}

.recommend-card .card-reason strong {
  color: #4A6B5D;
  margin-right: 4px;
}

.recommendation-tips {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 32px;
}

.recommendation-tips > p {
  font-size: 15px;
  color: #6B6B6B;
  line-height: 1.7;
  margin-bottom: 16px;
}

.tips-list {
  margin-bottom: 16px;
}

.tips-list li {
  font-size: 14px;
  color: #4A4A4A;
  line-height: 1.6;
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
}

.tips-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 6px;
  height: 6px;
  background-color: #C49A6C;
  border-radius: 50%;
}

.recommendation-tips a {
  font-weight: 500;
  margin-right: 16px;
}

/* ============================================================
   ACTION — 热血推荐页
   ============================================================ */
.recommendation-list .recommend-card .card-info {
  flex: 1;
  min-width: 0;
}

.recommend-card .card-info .card-tag {
  display: inline-block;
  background-color: #F0EBE2;
  color: #4A6B5D;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.recommend-card .card-info .card-reason {
  font-size: 14px;
  color: #4A4A4A;
  line-height: 1.6;
  background-color: #F0EBE2;
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 12px;
}

.recommend-card .card-info .card-reason strong {
  color: #4A6B5D;
  margin-right: 4px;
}

.recommend-card .card-info .card-tip {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
  padding: 12px 16px;
  border-left: 3px solid #C49A6C;
  background-color: #FAF7F2;
  border-radius: 0 6px 6px 0;
}

.recommend-card .card-info .card-tip strong {
  color: #4A6B5D;
  margin-right: 4px;
}

.reading-advice {
  margin-bottom: 48px;
}

.reading-advice h2 {
  font-size: 24px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 24px;
}

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

.advice-item {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 24px;
}

.advice-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.advice-item p {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
}

.advice-link {
  margin-top: 24px;
  font-size: 15px;
}

.advice-link a {
  font-weight: 500;
  margin-right: 16px;
}

.related-links {
  background-color: #FFFFFF;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 32px;
}

.related-links h2 {
  font-size: 20px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 24px;
}

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

.related-card {
  display: block;
  background-color: #FAF7F2;
  border: 1px solid #E5DDD0;
  border-radius: 8px;
  padding: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.related-card:hover {
  border-color: #4A6B5D;
  box-shadow: 0 4px 16px rgba(43, 43, 43, 0.08);
}

.related-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2B2B2B;
  margin-bottom: 8px;
}

.related-card p {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.6;
}

/* ============================================================
   404 ERROR — 错误页
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 24px;
}

.error-section {
  text-align: center;
  max-width: 560px;
  width: 100%;
}

.error-code {
  font-size: 96px;
  font-weight: 700;
  color: #C49A6C;
  line-height: 1;
  margin-bottom: 16px;
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.error-title {
  font-size: 28px;
  font-weight: 700;
  color: #2B2B2B;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #6B6B6B;
  line-height: 1.6;
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid #4A6B5D;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: #4A6B5D;
  transition: all 0.2s ease;
}

.error-btn:hover {
  background-color: #F0EBE2;
  color: #4A6B5D;
}

.error-btn-primary {
  background-color: #4A6B5D;
  color: #FFFFFF;
}

.error-btn-primary:hover {
  background-color: #3D5A4E;
  color: #FFFFFF;
}

.error-tip {
  font-size: 14px;
  color: #8A8072;
}

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

/* 平板竖屏 / 小屏笔记本 */
@media (max-width: 992px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 24px;
  }

  .hero-copy {
    padding-right: 0;
  }

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

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

  .guide-steps {
    grid-template-columns: 1fr;
  }

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

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

  .recommend-card {
    flex-direction: column;
  }

  .recommend-card .card-media {
    width: 100%;
  }

  .recommend-card .card-cover {
    height: 220px;
  }

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

/* 手机端 */
@media (max-width: 768px) {
  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .brand {
    gap: 8px;
  }

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

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5DDD0;
    box-shadow: 0 8px 16px rgba(43, 43, 43, 0.08);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 4px;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    font-size: 16px;
  }

  .inner-main {
    padding: 24px 16px 48px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-description {
    font-size: 15px;
  }

  .breadcrumb {
    font-size: 13px;
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .hero-section {
    padding: 32px 16px;
  }

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

  .hero-lead {
    font-size: 15px;
  }

  .hero-figure img {
    height: 220px;
  }

  .category-nav-section,
  .recent-updates-section,
  .ranking-section,
  .guide-entry-section,
  .featured-topics-section {
    padding: 32px 16px;
  }

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

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

  .topic-cards {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    padding: 32px 16px 24px;
  }

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

  .footer-col ul li a {
    font-size: 14px;
    padding: 4px 0;
    display: inline-block;
  }

  .recommend-card {
    padding: 16px;
  }

  .recommend-card .card-media {
    width: 100%;
  }

  .recommend-card .card-cover {
    height: 200px;
  }

  .guide-intro,
  .category-notes,
  .guide-summary,
  .recommendation-tips,
  .related-links {
    padding: 24px 20px;
  }

  .guide-tips {
    gap: 12px;
  }

  .guide-tip {
    padding: 16px;
  }

  .error-code {
    font-size: 72px;
  }

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

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

  .error-btn {
    width: 100%;
    max-width: 240px;
    text-align: center;
  }

  .ranking-item {
    padding: 14px 16px;
  }

  .ranking-number {
    font-size: 18px;
    min-width: 24px;
  }
}

/* 超小屏 */
@media (max-width: 420px) {
  .brand-name {
    font-size: 16px;
  }

  .category-tags {
    gap: 8px;
  }

  .category-tag {
    padding: 8px 14px;
    font-size: 14px;
  }

  .update-item img {
    height: 160px;
  }

  .topic-card img {
    height: 160px;
  }

  .category-card-media img {
    height: 140px;
  }

  .hero-figure img {
    height: 180px;
  }
}