/* ==========================================================================
   吃瓜51 - 全站样式表
   极简品牌风：有限字号层级、充足留白、单一强动作色
   ========================================================================== */

/* ==========================================================================
   Base / Reset
   ========================================================================== */

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

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

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: 1.8;
  color: #333333;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #1a1a1a;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #e85d3d;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.4;
  color: #1a1a1a;
}

.container,
.header-inner,
.footer-inner,
.site-main,
.inner-main {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Layout / Shell
   ========================================================================== */

/* 页头 */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e8e8e8;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding-top: 0;
  padding-bottom: 0;
}

.brand-logo {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-logo:hover {
  color: #e85d3d;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: #333333;
  border-radius: 4px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-list a:hover {
  color: #e85d3d;
  background-color: #f5f5f5;
}

.nav-list a.is-current {
  color: #e85d3d;
  font-weight: 700;
  background-color: #fdf1ee;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #1a1a1a;
  border-radius: 2px;
}

/* 页脚 */
.site-footer {
  background-color: #1a1a1a;
  color: #cccccc;
  margin-top: 80px;
}

.footer-inner {
  padding-top: 56px;
  padding-bottom: 32px;
}

.footer-brand {
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: #999999;
  max-width: 480px;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333333;
}

.link-group h3 {
  font-size: 15px;
  color: #ffffff;
  margin-bottom: 16px;
}

.link-group ul {
  display: grid;
  gap: 10px;
}

.link-group a {
  font-size: 14px;
  color: #999999;
  transition: color 0.2s ease;
}

.link-group a:hover {
  color: #e85d3d;
}

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

.footer-bottom p {
  font-size: 13px;
  color: #777777;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 24px;
  padding-bottom: 8px;
  font-size: 14px;
}

.breadcrumb a {
  color: #666666;
}

.breadcrumb a:hover {
  color: #e85d3d;
}

.breadcrumb-sep {
  color: #999999;
}

.breadcrumb-current {
  color: #333333;
  font-weight: 500;
}

/* 内页公共骨架 */
.inner-main {
  padding-top: 8px;
  padding-bottom: 64px;
}

.page-header {
  padding: 32px 0 40px;
  border-bottom: 1px solid #f0f0f0;
  margin-bottom: 48px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
  line-height: 1.3;
}

.page-description {
  font-size: 16px;
  color: #666666;
  max-width: 720px;
  line-height: 1.8;
}

/* ==========================================================================
   Components
   ========================================================================== */

/* 区块标题 */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a1a;
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background-color: #e85d3d;
  border-radius: 2px;
}

.section-more {
  font-size: 14px;
  color: #666666;
}

.section-more:hover {
  color: #e85d3d;
}

.section-intro {
  font-size: 15px;
  color: #666666;
  margin-bottom: 32px;
  max-width: 780px;
}

/* 媒体容器 */
.media-wrap {
  overflow: hidden;
  background-color: #f5f5f5;
  border-radius: 8px;
}

.media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.media-wrap:hover img {
  transform: scale(1.03);
}

/* 文本链接 */
.text-link {
  font-size: 14px;
  color: #e85d3d;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.text-link:hover {
  color: #c94a2d;
}

.text-link span::after {
  content: "→";
  margin-left: 4px;
}

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background-color: #e85d3d;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #c94a2d;
  color: #ffffff;
}

.btn-secondary {
  background-color: #f5f5f5;
  color: #333333;
  border: 1px solid #dddddd;
}

.btn-secondary:hover {
  background-color: #e8e8e8;
  color: #1a1a1a;
}

/* ==========================================================================
   Pages - 首页
   ========================================================================== */

.site-home {
  background-color: #ffffff;
}

.home-main {
  padding-bottom: 0;
}

/* 首屏 Hero */
.hero-section {
  background-color: #f5f5f5;
  padding: 48px 0 56px;
}

.hero-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}

/* 焦点报道 */
.focus-card {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.focus-card .media-wrap {
  border-radius: 0;
  aspect-ratio: 16 / 9;
  width: 100%;
}

.focus-card .media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.focus-content {
  padding: 28px 32px 32px;
}

.focus-content h1 {
  font-size: 26px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 14px;
  line-height: 1.4;
}

.focus-summary {
  font-size: 15px;
  color: #666666;
  line-height: 1.8;
  margin-bottom: 20px;
}

.focus-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: #e85d3d;
  transition: color 0.2s ease;
}

.focus-link:hover {
  color: #c94a2d;
}

.focus-link::after {
  content: "→";
  margin-left: 6px;
}

/* 首屏右侧频道索引 */
.hero-channels {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.hero-channels .section-title {
  font-size: 18px;
  margin-bottom: 20px;
}

.channel-tag-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.channel-tag-list a {
  display: block;
  padding: 12px 16px;
  background-color: #f5f5f5;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #333333;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.channel-tag-list a:hover {
  background-color: #fdf1ee;
  color: #e85d3d;
}

.channel-desc {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* 频道快捷入口条 */
.channel-nav-strip {
  background-color: #ffffff;
  border-bottom: 1px solid #f0f0f0;
  padding: 20px 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.channel-nav-strip a {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  color: #333333;
  border: 1px solid #e0e0e0;
  border-radius: 20px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.channel-nav-strip a:hover {
  border-color: #e85d3d;
  color: #e85d3d;
}

.channel-nav-strip .more-link {
  color: #e85d3d;
  border-color: #f0c8bf;
}

/* 焦点报道区 */
.focus-report {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.focus-report-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.focus-report-item {
  background-color: #ffffff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

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

.focus-report-item .media-wrap {
  aspect-ratio: 16 / 9;
  border-radius: 0;
}

.focus-report-item .media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.focus-report-content {
  padding: 20px 24px 24px;
}

.focus-report-content h3 {
  font-size: 17px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.focus-report-content h3 a {
  color: #1a1a1a;
  transition: color 0.2s ease;
}

.focus-report-content h3 a:hover {
  color: #e85d3d;
}

.focus-report-content .item-excerpt {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.focus-report-content time {
  font-size: 13px;
  color: #999999;
}

/* 最新资讯列表 */
.latest-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.news-list {
  display: grid;
  gap: 0;
}

.news-item {
  padding: 24px 0;
  border-bottom: 1px solid #f0f0f0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
}

.news-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.news-item h3 a {
  color: #1a1a1a;
  transition: color 0.2s ease;
}

.news-item h3 a:hover {
  color: #e85d3d;
}

.news-item .item-excerpt {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item time {
  font-size: 13px;
  color: #999999;
  white-space: nowrap;
  padding-top: 4px;
}

/* 专题推荐 */
.topic-cards {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.topic-card {
  background-color: #ffffff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

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

.topic-card .media-wrap {
  aspect-ratio: 16 / 9;
  border-radius: 0;
}

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

.topic-card h3 {
  padding: 20px 24px 0;
  font-size: 18px;
  line-height: 1.5;
}

.topic-card h3 a {
  color: #1a1a1a;
  transition: color 0.2s ease;
}

.topic-card h3 a:hover {
  color: #e85d3d;
}

.topic-card .card-summary {
  padding: 12px 24px 24px;
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
}

/* 编辑推荐 */
.editor-picks {
  background-color: #f5f5f5;
  margin-top: 64px;
  padding: 56px 0;
}

.editor-picks .section-title {
  max-width: 1200px;
  margin: 0 auto 28px;
  padding-left: 24px;
  padding-right: 24px;
}

.pick-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pick-item {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
  border-left: 3px solid #e85d3d;
}

.pick-item h3 {
  font-size: 16px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.pick-item h3 a {
  color: #1a1a1a;
  transition: color 0.2s ease;
}

.pick-item h3 a:hover {
  color: #e85d3d;
}

.pick-reason {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
}

/* 信息来源与反馈 */
.info-feedback {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
  border-bottom: 1px solid #f0f0f0;
}

.info-feedback .section-title {
  margin-bottom: 16px;
}

.info-feedback p {
  font-size: 14px;
  color: #666666;
  line-height: 1.8;
  max-width: 860px;
}

.info-feedback p + p {
  margin-top: 12px;
}

/* ==========================================================================
   Pages - 频道分类
   ========================================================================== */

.channel-section {
  margin-bottom: 56px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.channel-card {
  background-color: #ffffff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.channel-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.channel-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #f5f5f5;
}

.channel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.channel-card:hover .channel-media img {
  transform: scale(1.03);
}

.channel-body {
  padding: 20px;
}

.channel-body h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.channel-body p {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 14px;
}

.channel-body a {
  font-size: 13px;
  font-weight: 500;
  color: #e85d3d;
}

.channel-body a:hover {
  color: #c94a2d;
}

.channel-overview {
  background-color: #f5f5f5;
  border-radius: 8px;
  padding: 32px;
}

.channel-overview .section-title {
  margin-bottom: 16px;
}

.channel-overview p {
  font-size: 15px;
  color: #555555;
  line-height: 1.8;
  max-width: 860px;
}

.channel-overview p + p {
  margin-top: 12px;
}

/* ==========================================================================
   Pages - 内容专题
   ========================================================================== */

.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

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

.topic-list-section {
  margin-bottom: 40px;
}

.topic-list {
  display: grid;
  gap: 24px;
}

.topic-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background-color: #ffffff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

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

.topic-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #f5f5f5;
}

.topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.topic-item:hover .topic-media img {
  transform: scale(1.03);
}

.topic-content {
  padding: 24px 24px 24px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.topic-content h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.topic-content h3 a {
  color: #1a1a1a;
  transition: color 0.2s ease;
}

.topic-content h3 a:hover {
  color: #e85d3d;
}

.topic-content p {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic-date {
  font-size: 13px;
  color: #999999;
}

.topic-link {
  font-size: 13px;
  font-weight: 500;
  color: #e85d3d;
}

/* 侧栏 */
.layout-sidebar {
  min-width: 0;
}

.sidebar-recommend,
.sidebar-guide {
  background-color: #f5f5f5;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e85d3d;
  display: inline-block;
}

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

.recommend-item {
  padding: 16px;
  background-color: #ffffff;
  border-radius: 6px;
}

.recommend-item h3 {
  font-size: 14px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.recommend-item h3 a {
  color: #1a1a1a;
  transition: color 0.2s ease;
}

.recommend-item h3 a:hover {
  color: #e85d3d;
}

.recommend-item p {
  font-size: 13px;
  color: #666666;
  line-height: 1.6;
}

.sidebar-guide p {
  font-size: 14px;
  color: #555555;
  line-height: 1.7;
  margin-bottom: 16px;
}

.sidebar-guide a {
  display: inline-block;
  font-size: 14px;
  color: #e85d3d;
  margin-right: 16px;
}

.sidebar-guide a:hover {
  color: #c94a2d;
}

/* 相关内容导航 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background-color: #f5f5f5;
  border-radius: 8px;
  padding: 20px 24px;
  margin-top: 40px;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
}

.related-links-item {
  font-size: 14px;
  color: #e85d3d;
  transition: color 0.2s ease;
}

.related-links-item:hover {
  color: #c94a2d;
}

.related-links-item + .related-links-item::before {
  content: "·";
  margin-right: 12px;
  color: #cccccc;
}

/* ==========================================================================
   Pages - 实用指南
   ========================================================================== */

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

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

.guide-lead h2 {
  font-size: 20px;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.guide-lead p {
  font-size: 15px;
  color: #555555;
  line-height: 1.8;
  margin-bottom: 20px;
}

.guide-figure {
  margin: 24px 0;
  border-radius: 8px;
  overflow: hidden;
  background-color: #f5f5f5;
}

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

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #888888;
  background-color: #f5f5f5;
}

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

.guide-steps h3 {
  font-size: 18px;
  color: #1a1a1a;
  margin: 32px 0 12px;
  padding-left: 16px;
  border-left: 3px solid #e85d3d;
  line-height: 1.5;
}

.guide-steps h3:first-child {
  margin-top: 0;
}

.guide-steps p {
  font-size: 15px;
  color: #555555;
  line-height: 1.8;
  margin-bottom: 16px;
}

.guide-notes {
  background-color: #fdf1ee;
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 40px;
}

.guide-notes h3 {
  font-size: 16px;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.guide-notes ul {
  display: grid;
  gap: 10px;
}

.guide-notes li {
  font-size: 14px;
  color: #555555;
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.guide-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: #e85d3d;
  border-radius: 50%;
}

.guide-summary {
  background-color: #f5f5f5;
  border-radius: 8px;
  padding: 24px 28px;
}

.guide-summary h3 {
  font-size: 16px;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.guide-summary p {
  font-size: 14px;
  color: #555555;
  line-height: 1.8;
}

.guide-summary a {
  display: inline-block;
  font-size: 14px;
  color: #e85d3d;
  margin-right: 16px;
  margin-top: 8px;
}

.guide-summary a:hover {
  color: #c94a2d;
}

/* 相关指南侧栏 */
.related-links h2 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e85d3d;
  display: inline-block;
}

.related-list {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.related-list a {
  display: block;
  padding: 12px 16px;
  background-color: #f5f5f5;
  border-radius: 6px;
  font-size: 14px;
  color: #333333;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.related-list a:hover {
  background-color: #fdf1ee;
  color: #e85d3d;
}

.related-more {
  background-color: #f5f5f5;
  border-radius: 6px;
  padding: 16px;
}

.related-more p {
  font-size: 13px;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 8px;
}

.related-more a {
  display: inline-block;
  font-size: 13px;
  color: #e85d3d;
  margin-right: 12px;
}

.related-more a:hover {
  color: #c94a2d;
}

/* ==========================================================================
   Pages - 常见问题
   ========================================================================== */

.faq-section {
  margin-bottom: 56px;
}

.faq-section > h2 {
  font-size: 20px;
  color: #1a1a1a;
  margin-bottom: 20px;
}

.content-media {
  border-radius: 8px;
  overflow: hidden;
  background-color: #f5f5f5;
  margin-bottom: 32px;
}

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

.content-media-inline {
  max-width: 100%;
}

.content-media figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #888888;
  background-color: #f5f5f5;
}

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

.faq-item {
  background-color: #ffffff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: #e85d3d;
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: #999999;
  transition: transform 0.2s ease, color 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  color: #e85d3d;
}

.faq-item summary:hover {
  color: #e85d3d;
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: #555555;
  line-height: 1.8;
}

.faq-answer p + p {
  margin-top: 10px;
}

/* 更新说明 */
.update-info {
  background-color: #f5f5f5;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 40px;
}

.update-info h2 {
  font-size: 20px;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.update-content p {
  font-size: 14px;
  color: #555555;
  line-height: 1.8;
  margin-bottom: 12px;
}

.update-content ul {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.update-content li {
  font-size: 14px;
  color: #555555;
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.update-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: #e85d3d;
  border-radius: 50%;
}

.update-content strong {
  color: #1a1a1a;
  font-weight: 600;
}

.update-content a {
  display: inline-block;
  font-size: 14px;
  color: #e85d3d;
  margin-right: 16px;
}

.update-content a:hover {
  color: #c94a2d;
}

/* FAQ 页相关链接 */
.faq-section + .related-links {
  margin-top: 0;
}

/* ==========================================================================
   Pages - 404
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 80px 24px;
}

.error-content {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #e85d3d;
  line-height: 1;
  margin-bottom: 24px;
}

.error-content h1 {
  font-size: 28px;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #666666;
  line-height: 1.8;
  margin-bottom: 12px;
}

.error-suggest {
  font-size: 14px;
  color: #999999;
  line-height: 1.7;
  margin-bottom: 32px;
}

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

/* ==========================================================================
   Responsive
   ========================================================================== */

/* 平板及以下 */
@media (max-width: 1024px) {
  .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-layout {
    grid-template-columns: 1fr 280px;
    gap: 28px;
  }
}

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

  /* 页头 */
  .header-inner {
    height: 60px;
  }

  .brand-logo {
    font-size: 20px;
  }

  .nav-toggle {
    display: flex;
    z-index: 200;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #f0f0f0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    gap: 4px;
  }

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

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

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

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 0 16px;
  }

  .focus-content {
    padding: 20px 20px 24px;
  }

  .focus-content h1 {
    font-size: 22px;
  }

  .hero-channels {
    padding: 20px;
  }

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

  .focus-report,
  .latest-list,
  .topic-cards,
  .editor-picks .section-title,
  .pick-list,
  .info-feedback {
    padding-left: 16px;
    padding-right: 16px;
  }

  .focus-report-grid,
  .topic-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .news-item time {
    white-space: normal;
  }

  .pick-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .editor-picks {
    padding: 40px 0;
  }

  .info-feedback {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  /* 内页 */
  .page-header {
    padding: 24px 0 28px;
    margin-bottom: 32px;
  }

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

  .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .layout-sidebar {
    order: 2;
  }

  /* 频道 */
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .channel-body {
    padding: 16px;
  }

  .channel-body h3 {
    font-size: 15px;
  }

  .channel-body p {
    font-size: 13px;
  }

  .channel-overview {
    padding: 24px;
  }

  /* 专题 */
  .topic-item {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .topic-content {
    padding: 16px;
  }

  .topic-content h3 {
    font-size: 16px;
  }

  /* 指南 */
  .guide-steps h3 {
    font-size: 17px;
  }

  .guide-notes,
  .guide-summary {
    padding: 20px;
  }

  /* FAQ */
  .update-info {
    padding: 24px;
  }

  .faq-item summary {
    padding: 16px 44px 16px 16px;
    font-size: 14px;
  }

  .faq-item summary::after {
    right: 16px;
  }

  .faq-answer {
    padding: 0 16px 16px;
  }

  /* 页脚 */
  .site-footer {
    margin-top: 48px;
  }

  .footer-inner {
    padding-top: 40px;
  }

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

  .footer-bottom {
    padding-top: 20px;
  }

  /* 404 */
  .error-code {
    font-size: 56px;
  }

  .error-content h1 {
    font-size: 24px;
  }

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

  .error-actions .btn-primary,
  .error-actions .btn-secondary {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .channel-grid {
    grid-template-columns: 1fr;
  }

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

  .related-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .related-links-item + .related-links-item::before {
    content: "";
    margin-right: 0;
  }
}

/* ==========================================================================
   Animations / 增强
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.focus-card,
.focus-report-item,
.topic-card,
.pick-item,
.channel-card,
.topic-item {
  animation: fadeInUp 0.4s ease both;
}

.focus-report-item:nth-child(2),
.topic-card:nth-child(2),
.pick-item:nth-child(2),
.channel-card:nth-child(2),
.topic-item:nth-child(2) {
  animation-delay: 0.08s;
}

.focus-report-item:nth-child(3),
.pick-item:nth-child(3),
.channel-card:nth-child(3),
.topic-item:nth-child(3) {
  animation-delay: 0.16s;
}

.channel-card:nth-child(4),
.topic-item:nth-child(4) {
  animation-delay: 0.24s;
}

.topic-item:nth-child(5) {
  animation-delay: 0.32s;
}

.topic-item:nth-child(6) {
  animation-delay: 0.4s;
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}