:root {
  --accent-color: #7c9a6d;
  --accent-light: #9ab88a;
  --accent-dark: #5c7a4d;
  --text-primary: #333;
  --text-secondary: #666;
  --text-light: #999;
  --bg-primary: #fff;
  --bg-secondary: #f8f9f5;
  --bg-card: #fff;
  --border-color: #e8ebe3;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --header-height: 64px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-dark);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-color);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--text-primary);
  font-weight: 500;
}

.nav a:hover {
  color: var(--accent-color);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: 20px;
  padding: 8px 16px;
  gap: 8px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  width: 160px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #eef2ea 100%);
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.search-bar {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.search-bar input {
  flex: 1;
  padding: 16px 24px;
  border: none;
  outline: none;
  font-size: 16px;
}

.search-bar button {
  padding: 16px 32px;
  background: var(--accent-color);
  color: #fff;
  border: none;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.search-bar button:hover {
  background: var(--accent-dark);
}

/* Categories */
.categories {
  padding: 40px 0;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
  text-align: center;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.2s;
}

.category-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-light);
}

.category-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-secondary);
  border-radius: 50%;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.category-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.category-card p {
  font-size: 13px;
  color: var(--text-light);
}

/* Events Section */
.section {
  padding: 40px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 24px;
  font-weight: 600;
}

.view-all {
  font-size: 14px;
  font-weight: 500;
}

/* Event Cards */
.event-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.event-card {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.event-card:hover {
  box-shadow: var(--shadow-hover);
}

.event-date {
  width: 100px;
  background: var(--accent-color);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.event-date .day {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  font-size: 14px;
  text-transform: uppercase;
}

.event-info {
  flex: 1;
  padding: 20px;
}

.event-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.event-meta {
  display: flex;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.event-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.event-action {
  display: flex;
  align-items: center;
  padding: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
}

.btn-outline:hover {
  background: var(--accent-color);
  color: #fff;
}

/* Article Grid */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.article-card:hover {
  box-shadow: var(--shadow-hover);
}

.article-image {
  height: 160px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
}

.article-content {
  padding: 16px;
}

.article-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-content p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.article-meta {
  font-size: 12px;
  color: var(--text-light);
}

/* Article List */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: box-shadow 0.2s;
}

.article-item:hover {
  box-shadow: var(--shadow);
}

.article-thumb {
  width: 80px;
  height: 60px;
  background: var(--bg-secondary);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 12px;
}

.article-info h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}

.article-info p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Sidebar Layout */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
}

.sidebar-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

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

.sidebar-item {
  font-size: 14px;
}

.sidebar-item a {
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
}

.sidebar-item a:hover {
  color: var(--accent-color);
}

.sidebar-item .count {
  color: var(--text-light);
  font-size: 12px;
}

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

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

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

.breadcrumb span {
  margin: 0 8px;
  color: var(--text-light);
}

/* Page Header */
.page-header {
  background: var(--bg-secondary);
  padding: 40px 0;
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--text-secondary);
}

/* Filters */
.filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  font-size: 14px;
  border: 1px solid var(--border-color);
}

.pagination a:hover {
  background: var(--bg-secondary);
}

.pagination .current {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* Article Detail */
.article-header {
  margin-bottom: 24px;
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

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

.article-featured-image {
  width: 100%;
  height: 400px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 16px;
}

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

.article-body h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 32px 0 16px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 24px 0 12px;
}

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

.article-body ul,
.article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

/* Tags */
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.tag {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-radius: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Author Box */
.author-box {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  margin-top: 32px;
}

.author-avatar {
  width: 64px;
  height: 64px;
  background: var(--accent-light);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
}

.author-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.author-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 404 Page */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.error-code {
  font-size: 120px;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 16px;
}

.error-page h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
}

.error-page p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 400px;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 48px 0 24px;
  margin-top: 60px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links ul {
  list-style: none;
}

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

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .content-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

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

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .search-box {
    display: none;
  }

  .hero h1 {
    font-size: 28px;
  }

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

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

  .event-date {
    width: 100%;
    flex-direction: row;
    gap: 8px;
    padding: 12px;
  }

  .event-date .day {
    font-size: 24px;
  }

  .event-action {
    padding: 0 20px 20px;
  }

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

  .article-header h1 {
    font-size: 24px;
  }

  .article-featured-image {
    height: 240px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 0;
  }

  .section {
    padding: 24px 0;
  }

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

  .filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 6px 12px;
    font-size: 13px;
  }
}