/* ==========================================================================
   base / 基础样式
   ========================================================================== */
*, *::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", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #333333;
  background-color: #f4f4f4;
}

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

a {
  color: #1a2a3a;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #e67e22;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: #1a2a3a;
}

/* ==========================================================================
   layout / 布局骨架
   ========================================================================== */
.site-header {
  background-color: #1a2a3a;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

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

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1px;
}

.brand-slogan {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

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

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

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

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

.nav-item a {
  display: block;
  padding: 10px 18px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-item a:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-item.is-current a,
.nav-item a.is-current {
  color: #ffffff;
  background-color: #e67e22;
}

.site-main {
  min-height: 480px;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: #666666;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e0e0e0;
}

.breadcrumb a {
  color: #1a2a3a;
}

.breadcrumb a:hover {
  color: #e67e22;
}

.breadcrumb-sep {
  color: #999999;
}

.breadcrumb-current {
  color: #666666;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  margin-bottom: 12px;
  color: #1a2a3a;
}

.page-description {
  font-size: 16px;
  color: #555555;
  max-width: 720px;
  line-height: 1.7;
}

.site-footer {
  background-color: #1a2a3a;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 60px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 24px;
}

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

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.footer-brand-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 480px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-group-title {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

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

.footer-list a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
}

.footer-list a:hover {
  color: #e67e22;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.back-to-top {
  display: inline-block;
  padding: 8px 16px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 13px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.back-to-top:hover {
  background-color: #e67e22;
  color: #ffffff;
}

/* ==========================================================================
   components / 通用组件
   ========================================================================== */
.section-heading {
  margin-bottom: 24px;
}

.section-title {
  font-size: 24px;
  color: #1a2a3a;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: #666666;
  line-height: 1.6;
}

/* 图片容器稳定约束 */
.hero-figure,
.news-thumb,
.topic-media,
.channel-media,
.article-hero-figure,
.article-figure,
.guide-figure {
  overflow: hidden;
  background-color: #e8e8e8;
}

.hero-figure img,
.news-thumb img,
.topic-media img,
.channel-media img,
.article-hero-figure img,
.article-figure img,
.guide-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   pages / 首页
   ========================================================================== */
.home-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* 焦点报道区 */
.hero-section {
  padding: 32px 0;
}

.hero-card {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(26, 42, 58, 0.08);
}

.hero-figure {
  width: 100%;
  height: 420px;
}

.hero-content {
  padding: 32px 40px 36px;
}

.hero-tag {
  display: inline-block;
  background-color: #e67e22;
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.hero-summary {
  font-size: 16px;
  color: #555555;
  line-height: 1.8;
  margin-bottom: 12px;
}

.hero-link {
  display: inline-block;
  margin-top: 12px;
  color: #e67e22;
  font-weight: 600;
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.hero-link:hover {
  border-bottom-color: #e67e22;
}

/* 频道分类导航带 */
.channel-strip-section {
  padding: 40px 0;
}

.channel-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.channel-tag {
  display: inline-block;
  padding: 10px 20px;
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  font-size: 15px;
  color: #1a2a3a;
  transition: all 0.2s ease;
}

.channel-tag:hover {
  background-color: #1a2a3a;
  border-color: #1a2a3a;
  color: #ffffff;
}

/* 最新动态列表 */
.latest-news-section {
  padding: 40px 0;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  gap: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
  transition: box-shadow 0.2s ease;
}

.news-item:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 58, 0.1);
}

.news-thumb {
  width: 180px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 6px;
}

.news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.news-title a {
  color: #1a2a3a;
}

.news-title a:hover {
  color: #e67e22;
}

.news-summary {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

/* 专题推荐区 */
.topics-section {
  padding: 40px 0;
}

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

.topic-card {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(26, 42, 58, 0.06);
  transition: box-shadow 0.2s ease;
}

.topic-card:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 58, 0.1);
}

.topic-media {
  width: 100%;
  height: 200px;
}

.topic-body {
  padding: 24px;
}

.topic-title {
  font-size: 20px;
  margin-bottom: 10px;
}

.topic-title a {
  color: #1a2a3a;
}

.topic-title a:hover {
  color: #e67e22;
}

.topic-summary {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 16px;
}

.topic-link {
  display: inline-block;
  color: #e67e22;
  font-size: 14px;
  font-weight: 600;
}

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

/* 编辑推荐 */
.editor-picks-section {
  padding: 40px 0;
}

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

.pick-item {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
  transition: box-shadow 0.2s ease;
}

.pick-item:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 58, 0.1);
}

.pick-title {
  font-size: 17px;
  margin-bottom: 10px;
}

.pick-title a {
  color: #1a2a3a;
}

.pick-title a:hover {
  color: #e67e22;
}

.pick-reason {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
}

/* 信息来源与反馈 */
.source-feedback-section {
  padding: 40px 0;
  background-color: #ffffff;
  border-radius: 8px;
  margin-top: 16px;
}

.source-content {
  padding: 0 24px 24px;
}

.source-text {
  font-size: 14px;
  color: #555555;
  line-height: 1.7;
  margin-bottom: 12px;
}

/* ==========================================================================
   pages / 频道分类页
   ========================================================================== */
.channel-list {
  margin-bottom: 48px;
}

.channel-item {
  display: flex;
  gap: 24px;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
  transition: box-shadow 0.2s ease;
}

.channel-item:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 58, 0.1);
}

.channel-media {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  border-radius: 6px;
}

.channel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.channel-name {
  font-size: 20px;
  margin-bottom: 10px;
}

.channel-desc {
  font-size: 15px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 12px;
}

.channel-link {
  display: inline-block;
  color: #e67e22;
  font-size: 14px;
  font-weight: 600;
}

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

.channel-brief {
  margin-top: 40px;
}

.brief-intro {
  font-size: 15px;
  color: #555555;
  line-height: 1.7;
  margin-bottom: 24px;
}

.brief-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.brief-card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

.brief-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.brief-text {
  font-size: 13px;
  color: #555555;
  line-height: 1.6;
}

.brief-note {
  font-size: 14px;
  color: #666666;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 16px 20px;
  border-left: 4px solid #e67e22;
}

.brief-note a {
  color: #e67e22;
}

.brief-note a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   pages / 内容专题页
   ========================================================================== */
.topic-listing {
  margin-bottom: 48px;
}

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

.topic-grid .topic-card {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(26, 42, 58, 0.06);
  transition: box-shadow 0.2s ease;
}

.topic-grid .topic-card:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 58, 0.1);
}

.topic-media {
  width: 100%;
  height: 200px;
}

.topic-content {
  padding: 24px;
}

.topic-name {
  font-size: 20px;
  margin-bottom: 10px;
}

.topic-name a {
  color: #1a2a3a;
}

.topic-name a:hover {
  color: #e67e22;
}

.topic-desc {
  font-size: 14px;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 16px;
}

.topic-link {
  display: inline-block;
  color: #e67e22;
  font-size: 14px;
  font-weight: 600;
}

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

.topic-intro {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 40px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

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

.intro-copy p:last-child {
  margin-bottom: 0;
}

.related-links {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px 32px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

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

.related-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
}

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

.related-list a {
  color: #1a2a3a;
  font-size: 15px;
}

.related-list a:hover {
  color: #e67e22;
}

.related-list span {
  font-size: 13px;
  color: #999999;
}

/* ==========================================================================
   pages / 深度解读文章页
   ========================================================================== */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.article-content {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 40px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
  min-width: 0;
}

.article-hero-figure {
  width: 100%;
  height: 320px;
  border-radius: 6px;
  margin-bottom: 24px;
}

.article-hero-figure figcaption,
.article-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
  color: #888888;
  background-color: #f8f8f8;
  border-radius: 0 0 6px 6px;
}

.article-lead {
  font-size: 17px;
  color: #333333;
  line-height: 1.8;
  margin-bottom: 28px;
  font-weight: 500;
}

.article-section {
  margin-bottom: 32px;
}

.article-section h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f0f0f0;
}

.article-section h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.article-section p {
  font-size: 15px;
  color: #444444;
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-section ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.article-section ul li {
  font-size: 15px;
  color: #444444;
  line-height: 1.8;
  margin-bottom: 8px;
}

.article-section ul li strong {
  color: #1a2a3a;
}

.article-figure {
  width: 100%;
  height: 280px;
  border-radius: 6px;
  margin: 20px 0;
}

.article-source-note {
  background-color: #f8f8f8;
  border-radius: 6px;
  padding: 20px;
  margin-top: 32px;
  border-left: 4px solid #e67e22;
}

.article-source-note h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.article-source-note p {
  font-size: 14px;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 0;
}

.related-articles {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}

.related-articles h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.related-articles .related-list li {
  padding: 12px 0;
}

/* 侧边栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.sidebar-card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

.sidebar-title {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f0f0f0;
}

.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-list li a {
  display: block;
  font-size: 14px;
  color: #444444;
  line-height: 1.5;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.sidebar-list li a:hover {
  color: #e67e22;
}

/* insight-002 特殊结构 */
.article-lead p {
  font-size: 17px;
  color: #333333;
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ==========================================================================
   pages / 阅读指南页
   ========================================================================== */
.guide-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

.guide-title {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f0f0f0;
}

.guide-text {
  font-size: 15px;
  color: #444444;
  line-height: 1.8;
  margin-bottom: 16px;
}

.guide-text a {
  color: #e67e22;
  font-weight: 600;
}

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

.guide-figure {
  width: 100%;
  height: 280px;
  border-radius: 8px;
  margin: 24px 0;
}

.guide-figcaption {
  padding: 10px 12px;
  font-size: 13px;
  color: #888888;
  background-color: #f8f8f8;
  border-radius: 0 0 6px 6px;
}

.guide-faq {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

.faq-item {
  border-bottom: 1px solid #f0f0f0;
  padding: 16px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-size: 16px;
  font-weight: 600;
  color: #1a2a3a;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-size: 20px;
  color: #e67e22;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  font-size: 14px;
  color: #555555;
  line-height: 1.7;
  margin-top: 12px;
  padding-right: 24px;
}

.guide-feedback {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 28px 32px;
  box-shadow: 0 1px 6px rgba(26, 42, 58, 0.06);
}

/* ==========================================================================
   pages / 404 页面
   ========================================================================== */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 20px;
}

.error-section {
  text-align: center;
  max-width: 560px;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 48px 40px;
  box-shadow: 0 2px 12px rgba(26, 42, 58, 0.08);
}

.error-title {
  font-size: 28px;
  margin-bottom: 16px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #e67e22;
  line-height: 1;
  margin-bottom: 20px;
}

.error-desc {
  font-size: 16px;
  color: #555555;
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-link {
  display: inline-block;
  padding: 12px 28px;
  background-color: #1a2a3a;
  color: #ffffff;
  font-size: 15px;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.error-link:hover {
  background-color: #e67e22;
  color: #ffffff;
}

/* ==========================================================================
   responsive / 响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-figure {
    height: 340px;
  }

  .brief-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    min-height: 60px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #1a2a3a;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    display: none;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }

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

  .nav-item a {
    padding: 14px 12px;
    border-radius: 6px;
  }

  .hero-figure {
    height: 240px;
  }

  .hero-content {
    padding: 24px 20px 28px;
  }

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

  .news-item {
    flex-direction: column;
    gap: 12px;
  }

  .news-thumb {
    width: 100%;
    height: 180px;
  }

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

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

  .channel-item {
    flex-direction: column;
    gap: 16px;
  }

  .channel-media {
    width: 100%;
    height: 180px;
  }

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

  .article-content {
    padding: 28px 20px;
  }

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .inner-main {
    padding: 20px 16px 40px;
  }

  .home-main {
    padding: 0 16px 40px;
  }

  .hero-figure {
    height: 200px;
  }

  .hero-title {
    font-size: 21px;
  }

  .hero-summary {
    font-size: 14px;
  }

  .section-title {
    font-size: 20px;
  }

  .news-thumb {
    height: 160px;
  }

  .news-title {
    font-size: 16px;
  }

  .channel-media {
    height: 160px;
  }

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

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

  .article-figure {
    height: 200px;
  }

  .guide-figure {
    height: 200px;
  }

  .guide-section,
  .guide-faq,
  .guide-feedback {
    padding: 20px;
  }

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

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

@media (max-width: 390px) {
  .hero-figure {
    height: 180px;
  }

  .hero-content {
    padding: 20px 16px 24px;
  }

  .hero-title {
    font-size: 19px;
  }

  .brand-slogan {
    font-size: 11px;
  }

  .news-thumb {
    height: 140px;
  }

  .channel-media {
    height: 140px;
  }

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