/* ==========================================================
   51吃瓜网最新网址 · 全站样式表
   视觉方向：黑白主体 + 红色识别色 · 编辑化风格
   ========================================================== */

/* ==========================================================
   Base / Reset
   ========================================================== */
*, *::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: 1.7;
  color: #222;
  background: #f7f7f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #111;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #e63946;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.35;
  color: #111;
  font-weight: 700;
}

/* 通用容器 */
.header-inner,
.site-main,
.footer-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 通用链接箭头 */
.arrow {
  display: inline-block;
  margin-left: 4px;
  transition: transform 0.2s ease;
}

a:hover .arrow {
  transform: translateX(4px);
}

/* 文本链接 */
.text-link {
  color: #e63946;
  font-weight: 600;
  font-size: 14px;
  display: inline-block;
  margin-top: 8px;
}

.text-link:hover {
  text-decoration: underline;
}

/* ==========================================================
   Layout / 全站骨架
   ========================================================== */
.site-header {
  background: #fff;
  border-bottom: 1px solid #e8e8e4;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

/* 品牌 */
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: #111;
  letter-spacing: 0;
}

.brand-tag {
  font-size: 11px;
  color: #888;
  margin-top: 2px;
}

/* 主导航 */
.site-nav {
  margin-left: auto;
}

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

.nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: #333;
  border-radius: 4px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-list a:hover {
  color: #e63946;
  background: #faf5f5;
}

.nav-list a.is-current {
  color: #e63946;
  font-weight: 700;
  background: #faf5f5;
}

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: #111;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================
   Components / 通用组件
   ========================================================== */

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #888;
  padding-top: 20px;
  padding-bottom: 4px;
}

.breadcrumb a {
  color: #555;
}

.breadcrumb a:hover {
  color: #e63946;
}

.breadcrumb-sep {
  color: #bbb;
}

.breadcrumb-current {
  color: #333;
  font-weight: 500;
}

/* 页面标题区（内页统一） */
.page-header {
  padding: 24px 0 28px;
  border-bottom: 1px solid #e8e8e4;
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  color: #111;
  line-height: 1.3;
}

.page-description {
  margin-top: 12px;
  font-size: 16px;
  color: #666;
  max-width: 720px;
}

/* 区块标题 */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-head h2,
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: #111;
  position: relative;
  padding-left: 14px;
}

.section-head h2::before,
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: #e63946;
  border-radius: 2px;
}

.section-more {
  font-size: 14px;
  color: #888;
}

.section-more:hover {
  color: #e63946;
}

/* 页脚 */
.site-footer {
  background: #111;
  color: #ccc;
  margin-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 40px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.footer-slogan {
  font-size: 14px;
  color: #e63946;
  margin-top: 4px;
  font-weight: 600;
}

.footer-desc {
  font-size: 14px;
  color: #999;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}

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

.footer-col ul a {
  font-size: 14px;
  color: #aaa;
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: #fff;
}

.footer-feedback p {
  font-size: 14px;
  color: #999;
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid #2a2a2a;
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #777;
}

/* ==========================================================
   Pages / 首页
   ========================================================== */
.home-main {
  padding-top: 0;
}

/* 焦点报道区 */
.focus-report {
  background: #fff;
  border-bottom: 1px solid #e8e8e4;
}

.focus-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 420px;
}

.focus-media {
  overflow: hidden;
  position: relative;
}

.focus-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.focus-content {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
}

.focus-category {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #e63946;
  background: #fdf0f0;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.focus-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.4;
  color: #111;
  margin-bottom: 16px;
}

.focus-summary {
  font-size: 15px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 24px;
}

.focus-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: #e63946;
  align-self: flex-start;
}

.focus-link:hover {
  text-decoration: underline;
}

/* 频道分类导航 */
.channel-nav {
  background: #fff;
  border-bottom: 1px solid #e8e8e4;
}

.channel-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
}

.channel-list a {
  display: block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #333;
  background: #f5f5f3;
  border-radius: 4px;
  transition: background 0.2s ease, color 0.2s ease;
}

.channel-list a:hover {
  background: #fdf0f0;
  color: #e63946;
}

/* 最新资讯 */
.latest-news {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.news-list {
  border-top: 1px solid #e8e8e4;
}

.news-item {
  border-bottom: 1px solid #e8e8e4;
}

.news-item a {
  display: grid;
  grid-template-columns: 90px 1fr 2fr;
  gap: 24px;
  align-items: baseline;
  padding: 20px 8px;
  transition: background 0.2s ease;
}

.news-item a:hover {
  background: #fafaf8;
}

.news-date {
  font-size: 14px;
  color: #999;
  font-variant-numeric: tabular-nums;
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  color: #111;
  line-height: 1.5;
}

.news-item a:hover .news-title {
  color: #e63946;
}

.news-summary {
  font-size: 14px;
  color: #777;
  line-height: 1.6;
}

/* 专题推荐 */
.special-recommend {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

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

.special-card {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.special-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.special-media {
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

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

.special-body {
  padding: 24px;
}

.special-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.special-body p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.special-body a {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #e63946;
}

.special-body a:hover {
  text-decoration: underline;
}

/* 编辑推荐 */
.editor-picks {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

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

.pick-item {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  padding: 24px;
  transition: box-shadow 0.2s ease;
}

.pick-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.pick-item a {
  display: block;
}

.pick-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #111;
  line-height: 1.5;
  margin-bottom: 8px;
}

.pick-item a:hover .pick-title {
  color: #e63946;
}

.pick-reason {
  display: block;
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

/* 信息来源与反馈 */
.source-feedback {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

.source-block {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  padding: 32px;
}

.source-block h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.source-block p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 12px;
}

.source-block a {
  color: #e63946;
  font-weight: 500;
}

.source-block a:hover {
  text-decoration: underline;
}

/* ==========================================================
   Pages / 内页通用
   ========================================================== */
.inner-main {
  padding-bottom: 24px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

/* ==========================================================
   Pages / 热点资讯
   ========================================================== */
.list-content .section-title {
  margin-bottom: 24px;
}

.event-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid #e8e8e4;
}

.event-media {
  flex-shrink: 0;
  width: 180px;
  height: 120px;
  overflow: hidden;
  border-radius: 6px;
}

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

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

.event-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.event-title a {
  color: #111;
}

.event-title a:hover {
  color: #e63946;
}

.event-summary {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 8px;
}

.event-date {
  font-size: 13px;
  color: #999;
}

/* 侧栏标签 */
.sidebar-tags {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  padding: 24px;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list a {
  display: block;
  padding: 6px 14px;
  font-size: 13px;
  color: #444;
  background: #f5f5f3;
  border-radius: 4px;
  transition: background 0.2s ease, color 0.2s ease;
}

.tag-list a:hover {
  background: #fdf0f0;
  color: #e63946;
}

.tag-note {
  margin-top: 16px;
  font-size: 13px;
  color: #999;
  line-height: 1.6;
  padding-top: 16px;
  border-top: 1px solid #eee;
}

/* ==========================================================
   Pages / 专题策划
   ========================================================== */
.topic-grid {
  margin-bottom: 48px;
}

.topic-grid .section-title,
.topic-entry .section-title {
  margin-bottom: 24px;
}

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

.topic-card {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.topic-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.topic-card > img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.topic-card-content {
  padding: 20px;
}

.topic-card-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.topic-excerpt {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 专题详情入口 */
.topic-entry {
  background: #fafaf8;
  border-top: 1px solid #e8e8e4;
  border-bottom: 1px solid #e8e8e4;
  padding: 48px 0;
}

.topic-entry .section-title {
  margin-bottom: 24px;
}

.entry-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

.entry-item {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  padding: 24px;
}

.entry-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.entry-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ==========================================================
   Pages / 实用指南
   ========================================================== */
.guide-article {
  max-width: 800px;
}

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

.guide-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e8e8e4;
}

.guide-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 12px;
}

.guide-section p {
  font-size: 15px;
  color: #444;
  line-height: 1.8;
  margin-bottom: 16px;
}

.guide-figure {
  margin: 24px 0;
  overflow: hidden;
  border-radius: 8px;
}

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

.guide-figure figcaption {
  font-size: 13px;
  color: #888;
  text-align: center;
  padding: 12px;
  background: #fafaf8;
}

.guide-list {
  margin: 16px 0 24px;
}

.guide-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  font-size: 15px;
  color: #444;
  border-bottom: 1px solid #f0f0ee;
}

.guide-list li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  width: 8px;
  height: 8px;
  background: #e63946;
  border-radius: 50%;
}

.guide-list strong {
  color: #111;
}

.guide-section a {
  color: #e63946;
  font-weight: 500;
}

.guide-section a:hover {
  text-decoration: underline;
}

/* ==========================================================
   Pages / 深度解读
   ========================================================== */
.layout-shell.sidebar-right .page-layout {
  grid-template-columns: minmax(0, 1fr) 280px;
}

.article-content {
  max-width: 720px;
}

.article-lead {
  font-size: 17px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: #fafaf8;
  border-left: 4px solid #e63946;
  border-radius: 0 8px 8px 0;
}

.article-figure {
  margin: 24px 0 32px;
  overflow: hidden;
  border-radius: 8px;
}

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

.article-figure figcaption {
  font-size: 13px;
  color: #888;
  text-align: center;
  padding: 12px;
  background: #fafaf8;
}

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

.analysis-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e8e8e4;
}

.analysis-section > p {
  font-size: 15px;
  color: #444;
  line-height: 1.8;
  margin-bottom: 16px;
}

.analysis-list {
  margin: 16px 0;
}

.analysis-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 15px;
  color: #444;
  line-height: 1.7;
}

.analysis-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  width: 8px;
  height: 8px;
  border: 2px solid #e63946;
  border-radius: 50%;
}

/* 相关阅读 */
.related-reading {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid #e8e8e4;
}

.related-reading h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.related-card {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  padding: 16px;
}

.related-card h3 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

.related-card h3 a {
  color: #111;
}

.related-card h3 a:hover {
  color: #e63946;
}

/* 目录侧栏 */
.toc-sidebar {
  position: sticky;
  top: 88px;
}

.toc-box {
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

.toc-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}

.toc-list li {
  margin-bottom: 4px;
}

.toc-list a {
  display: block;
  padding: 6px 10px;
  font-size: 14px;
  color: #555;
  border-radius: 4px;
  transition: background 0.2s ease, color 0.2s ease;
}

.toc-list a:hover {
  background: #faf5f5;
  color: #e63946;
}

.toc-note p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

/* ==========================================================
   Pages / 关于本站
   ========================================================== */
.about-content {
  max-width: 800px;
}

.about-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e8e8e4;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content p {
  font-size: 15px;
  color: #444;
  line-height: 1.8;
  margin-bottom: 16px;
}

.content-media {
  margin: 24px 0;
  overflow: hidden;
  border-radius: 8px;
}

.content-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.content-media figcaption {
  font-size: 13px;
  color: #888;
  text-align: center;
  padding: 12px;
  background: #fafaf8;
}

.principle-list {
  margin: 16px 0 24px;
}

.principle-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  font-size: 15px;
  color: #444;
  border-bottom: 1px solid #f0f0ee;
}

.principle-list li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  width: 8px;
  height: 8px;
  background: #e63946;
  border-radius: 50%;
}

.principle-list strong {
  color: #111;
}

.feedback-list {
  margin: 16px 0;
}

.feedback-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 15px;
  color: #444;
}

.feedback-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  width: 8px;
  height: 8px;
  border: 2px solid #e63946;
  border-radius: 50%;
}

.about-links {
  margin-top: 40px;
  padding: 24px;
  background: #fafaf8;
  border-radius: 8px;
}

.about-links p {
  font-size: 14px;
  color: #666;
  margin-bottom: 12px;
}

.about-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-links ul a {
  display: block;
  padding: 6px 14px;
  font-size: 13px;
  color: #444;
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 4px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.about-links ul a:hover {
  border-color: #e63946;
  color: #e63946;
}

/* ==========================================================
   Pages / 404
   ========================================================== */
.error-main {
  padding: 80px 24px;
  text-align: center;
}

.error-box {
  max-width: 560px;
  margin: 0 auto 56px;
}

.error-code {
  font-size: 96px;
  font-weight: 900;
  color: #e63946;
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #666;
  margin-bottom: 24px;
}

.error-back {
  display: inline-block;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: #e63946;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.error-back:hover {
  background: #c92a36;
  color: #fff;
}

.error-links {
  max-width: 560px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid #e8e8e4;
}

.error-links-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.error-links ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.error-links ul a {
  display: block;
  padding: 8px 20px;
  font-size: 14px;
  color: #444;
  background: #fff;
  border: 1px solid #e8e8e4;
  border-radius: 6px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.error-links ul a:hover {
  border-color: #e63946;
  color: #e63946;
}

/* ==========================================================
   Responsive / 响应式
   ========================================================== */
@media (max-width: 1024px) {
  .topic-cards,
  .entry-list {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 768px) {
  /* 页头 */
  .header-inner {
    height: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e8e8e4;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
  }

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

  .nav-list a {
    padding: 12px 16px;
    font-size: 16px;
    border-radius: 4px;
  }

  .nav-list a.is-current {
    background: #faf5f5;
  }

  /* 首页焦点区 */
  .focus-card {
    grid-template-columns: 1fr;
    padding: 0;
  }

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

  .focus-media img {
    position: static;
  }

  .focus-content {
    padding: 32px 24px;
  }

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

  /* 最新资讯 */
  .news-item a {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 0;
  }

  .news-date {
    font-size: 13px;
  }

  .news-summary {
    margin-top: 4px;
  }

  /* 专题与编辑推荐 */
  .special-grid,
  .pick-list {
    grid-template-columns: 1fr;
  }

  /* 内页布局 */
  .page-layout,
  .layout-shell.sidebar-right .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-header {
    padding: 20px 0 24px;
    margin-bottom: 24px;
  }

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

  /* 热点资讯 */
  .event-item {
    flex-direction: column;
  }

  .event-media {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  /* 专题 */
  .topic-cards,
  .entry-list {
    grid-template-columns: 1fr;
  }

  .entry-item {
    padding: 20px;
  }

  /* 深度解读 */
  .toc-sidebar {
    position: static;
  }

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

  .article-lead {
    font-size: 15px;
    padding: 16px 20px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }

  /* 404 */
  .error-main {
    padding: 48px 24px;
  }

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

@media (max-width: 480px) {
  .header-inner,
  .site-main,
  .footer-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-name {
    font-size: 19px;
  }

  .brand-tag {
    font-size: 10px;
  }

  .focus-content {
    padding: 24px 16px;
  }

  .focus-title {
    font-size: 22px;
  }

  .channel-list {
    padding: 12px 16px;
    gap: 6px;
  }

  .channel-list a {
    padding: 6px 14px;
    font-size: 13px;
  }

  .latest-news,
  .special-recommend,
  .editor-picks,
  .source-feedback {
    padding-left: 16px;
    padding-right: 16px;
  }

  .special-body {
    padding: 20px;
  }

  .source-block {
    padding: 24px;
  }

  .topic-card-content {
    padding: 16px;
  }

  .footer-bottom {
    padding: 16px;
  }
}