/* ============================================================
   新闻聚合站 - 样式表
   News Aggregator - Stylesheet
   ============================================================ */

/* ─── CSS 变量（亮色主题） ─── */
:root {
  --bg: #f5f6fa;
  --bg-alt: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #555;
  --text-muted: #888;
  --card: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.08);
  --card-hover-shadow: rgba(0, 0, 0, 0.15);
  --nav-bg: rgba(255, 255, 255, 0.95);
  --nav-border: #e0e0e0;
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --primary-light: #e8f0fe;
  --accent: #ea4335;
  --tag-bg: #f0f4ff;
  --tag-text: #1a73e8;
  --footer-bg: #1a1a2e;
  --footer-text: #ccc;
  --footer-text-hover: #fff;
  --border: #e8e8e8;
  --timeline-line: #ddd;
  --timeline-dot: #1a73e8;
  --placeholder-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --empty-bg: #f8f9fa;
  --code-bg: #f4f4f4;
  --transition: 0.3s ease;
}

/* ─── CSS 变量（暗色主题） ─── */
[data-theme="dark"] {
  --bg: #0f0f1a;
  --bg-alt: #1a1a2e;
  --text: #e0e0e0;
  --text-secondary: #aaa;
  --text-muted: #777;
  --card: #1e1e32;
  --card-shadow: rgba(0, 0, 0, 0.3);
  --card-hover-shadow: rgba(0, 0, 0, 0.5);
  --nav-bg: rgba(15, 15, 26, 0.95);
  --nav-border: #2a2a3e;
  --primary: #4a9eff;
  --primary-hover: #7ab8ff;
  --primary-light: #1a2a4e;
  --tag-bg: #1a2a4e;
  --tag-text: #7ab8ff;
  --footer-bg: #0a0a14;
  --footer-text: #888;
  --footer-text-hover: #fff;
  --border: #2a2a3e;
  --timeline-line: #2a2a3e;
  --timeline-dot: #4a9eff;
  --placeholder-bg: linear-gradient(135deg, #1a2a4e 0%, #2a1a3e 100%);
  --empty-bg: #1a1a2e;
  --code-bg: #2a2a3e;
}

/* ─── 基础样式 ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
               Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
}

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── 导航栏 ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--nav-border);
  transition: background var(--transition), border-color var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.nav-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: block;
  padding: 6px 14px;
  color: var(--text-secondary);
  font-size: 14px;
  border-radius: 8px;
  white-space: nowrap;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-actions {
  flex-shrink: 0;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* 汉堡菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ─── 主内容 ─── */
.main-content {
  padding-top: 60px;
  min-height: calc(100vh - 200px);
}

/* ─── 头条区域 ─── */
.hero-section {
  padding: 30px 0;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.hero-main {
  grid-row: span 2;
}

.hero-card {
  display: block;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 100%;
  min-height: 400px;
  box-shadow: 0 4px 20px var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.hero-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--card-hover-shadow);
}

.hero-image {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

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

.hero-image-placeholder,
.hero-side-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--placeholder-bg);
  font-size: 48px;
}

.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 30px 25px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: #fff;
}

.hero-category,
.hero-category-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.hero-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.hero-summary {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 10px;
  line-height: 1.5;
}

.hero-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  opacity: 0.7;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-side-item {
  display: flex;
  gap: 12px;
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--card-shadow);
  transition: all var(--transition);
  height: 95px;
}

.hero-side-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 15px var(--card-hover-shadow);
}

.hero-side-image {
  width: 120px;
  flex-shrink: 0;
  overflow: hidden;
}

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

.hero-side-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--placeholder-bg);
  font-size: 24px;
  height: 100%;
}

.hero-side-content {
  flex: 1;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  overflow: hidden;
}

.hero-side-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-empty {
  grid-column: 1 / -1;
  padding: 60px 0;
}

/* ─── 分类区块 ─── */
.categories-section {
  padding: 20px 0 40px;
}

.category-block {
  margin-bottom: 40px;
}

.category-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.category-header .section-title {
  margin-bottom: 0;
}

.category-desc {
  color: var(--text-muted);
  font-size: 14px;
  flex: 1;
}

.category-more {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}

.category-more:hover {
  background: var(--primary-light);
}

.category-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

/* ─── 新闻卡片 ─── */
.news-card {
  display: block;
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--card-shadow);
  transition: all var(--transition);
  color: var(--text);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--card-hover-shadow);
  color: var(--text);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--placeholder-bg);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.news-card:hover .card-image img {
  transform: scale(1.05);
}

.card-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  background: var(--primary-light);
}

.card-body {
  padding: 14px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-summary {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── 信息区域 ─── */
.info-section {
  padding: 20px 0 50px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.info-card {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px var(--card-shadow);
}

.info-card h3 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text);
}

.stats-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

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

.stat-total {
  font-weight: 700;
  border-top: 2px solid var(--primary);
  margin-top: 4px;
  padding-top: 12px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.stat-value {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

.category-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
  transition: all var(--transition);
}

.category-nav-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.cat-nav-icon {
  font-size: 18px;
}

.cat-nav-name {
  flex: 1;
  font-size: 14px;
}

.cat-nav-arrow {
  color: var(--text-muted);
  font-size: 14px;
}

/* ─── 分类页面 ─── */
.category-page {
  padding: 30px 0;
}

.category-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--primary);
}

.category-page-title h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-page-desc {
  color: var(--text-secondary);
  font-size: 14px;
}

.category-page-meta {
  flex-shrink: 0;
}

.article-count {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}

/* ─── 时间线 ─── */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--timeline-line);
}

.timeline-item {
  position: relative;
  margin-bottom: 20px;
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--timeline-dot);
  border-radius: 50%;
  border: 3px solid var(--bg);
  z-index: 1;
}

.timeline-card {
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--card-shadow);
  display: flex;
  gap: 0;
  transition: all var(--transition);
}

.timeline-card:hover {
  box-shadow: 0 6px 20px var(--card-hover-shadow);
  transform: translateX(4px);
}

.timeline-image {
  width: 220px;
  flex-shrink: 0;
  overflow: hidden;
}

.timeline-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline-body {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-title {
  font-size: 18px;
  font-weight: 600;
}

.timeline-title a {
  color: var(--text);
  transition: color var(--transition);
}

.timeline-title a:hover {
  color: var(--primary);
}

.timeline-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.timeline-source {
  font-weight: 500;
  color: var(--primary);
}

.timeline-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 500;
}

/* ─── 分页 ─── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.pagination-btn,
.pagination-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.pagination-btn:hover,
.pagination-link:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.pagination-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.pagination-pages {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* ─── 文章详情页 ─── */
.article-page {
  padding: 30px 0;
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 30px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

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

.breadcrumb-sep {
  color: var(--border);
}

.article-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-meta-left {
  display: flex;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}

.article-source-label {
  color: var(--primary);
  font-weight: 500;
}

.article-category-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 20px;
  font-size: 13px;
}

.article-body {
  margin-bottom: 30px;
}

.article-image {
  margin-bottom: 24px;
  border-radius: 12px;
  overflow: hidden;
}

.article-image img {
  width: 100%;
}

.article-summary {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 20px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 24px;
}

.article-summary h3 {
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-summary p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.article-content p {
  margin-bottom: 16px;
}

.article-placeholder {
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  padding: 30px;
}

.article-footer {
  display: flex;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article-original-btn,
.article-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.article-original-btn {
  background: var(--primary);
  color: #fff;
}

.article-original-btn:hover {
  background: var(--primary-hover);
  color: #fff;
}

.article-back-btn {
  background: var(--bg-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.article-back-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ─── 空状态 ─── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--empty-bg);
  border-radius: 16px;
}

.empty-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--text);
}

.empty-state p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ─── 底部 ─── */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 40px 0 20px;
  margin-top: 40px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
}

.footer-info h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
}

.footer-info p {
  font-size: 13px;
  line-height: 1.6;
  max-width: 400px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

.footer-links a {
  color: var(--footer-text);
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 6px;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--footer-text-hover);
  background: rgba(255,255,255,0.1);
}

.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-update {
  margin-top: 4px;
  opacity: 0.7;
}

/* ─── 回到顶部按钮 ─── */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(26, 115, 232, 0.5);
}

/* ─── 响应式设计 ─── */

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

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

  .hero-main {
    grid-row: auto;
  }

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

  .hero-side-item {
    height: auto;
    flex-direction: column;
  }

  .hero-side-image {
    width: 100%;
    height: 120px;
  }
}

/* 手机 */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    flex-direction: column;
    padding: 10px 20px;
    border-bottom: 1px solid var(--nav-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    padding: 12px 16px;
  }

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

  .hero-card {
    min-height: 280px;
  }

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

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

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

  .footer-content {
    flex-direction: column;
  }

  .timeline {
    padding-left: 20px;
  }

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

  .timeline-image {
    width: 100%;
    height: 180px;
  }

  .timeline-dot {
    left: -16px;
    width: 10px;
    height: 10px;
  }

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

  .article-footer {
    flex-direction: column;
  }

  .category-page-header {
    flex-direction: column;
    gap: 12px;
  }

  .pagination {
    flex-wrap: wrap;
  }
}

/* 小手机 */
@media (max-width: 480px) {
  .category-cards {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 12px;
  }

  .hero-card {
    min-height: 220px;
  }

  .hero-title {
    font-size: 18px;
  }

  .hero-overlay {
    padding: 20px 16px 16px;
  }

  .section-title {
    font-size: 18px;
  }
}

/* ─── 打印样式 ─── */
@media print {
  .navbar,
  .back-to-top,
  .footer {
    display: none;
  }

  .main-content {
    padding-top: 0;
  }

  .hero-card,
  .news-card,
  .timeline-card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}