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

html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

:root {
  --primary-color: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary-color: #ec4899;
  --accent-color: #10b981;
  --warning-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f3f4f6;
  --bg-dark: #111827;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  overflow-x: hidden;
}

.header {
  background: var(--bg-primary);
  padding: 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  text-decoration: none;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  font-size: 28px;
}

.nav {
  display: flex;
  gap: 12px;
}

.nav-link {
  display: inline-block;
  padding: 10px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition);
  font-size: 14px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
}

.burger-menu {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

.hero-banner {
  background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 50%, var(--secondary-color) 100%);
  color: white;
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 18px;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.app-showcase {
  padding: 60px 0;
}

.app-showcase-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.app-showcase-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.app-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.app-feature-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  display: flex;
}

.app-feature-card > div {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-feature-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.app-feature-left {
  padding: 48px;
  display: flex;
  flex-direction: column;
}

.app-feature-right {
  padding: 32px;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.app-feature-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}

.app-feature-title {
  flex: 1;
}

.app-feature-title h3 {
  margin-bottom: 8px;
}

.app-feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.app-feature-name {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.app-feature-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
  white-space: pre-line;
}

.app-feature-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.feature-info {
  flex: 1;
}

.feature-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.app-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.tag {
  padding: 6px 16px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.tag-secondary {
  background: rgba(236, 72, 153, 0.1);
  color: var(--secondary-color);
}

.tag-accent {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-color);
}

.tag-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.app-feature-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.app-feature-scenarios {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.app-feature-scenarios-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.scenario-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.scenario-item:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.scenario-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.scenario-item:hover .scenario-icon {
  background: rgba(255, 255, 255, 0.2);
}

.scenario-name {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.scenario-item:hover .scenario-name {
  color: white;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 15px;
  min-width: 0;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.articles-section {
  padding: 60px 0;
  background: var(--bg-primary);
}

.section {
  padding: 60px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.section-more {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.section-more:hover {
  gap: 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
}

.card-content {
  padding: 24px;
  overflow-wrap: break-word;
  display: flex;
  flex-direction: column;
  height: 300px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.card-footer {
  display: flex;
  align-items: center;
  margin-top: auto;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
}

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

.footer {
  background: var(--bg-dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.sitemap-container {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 40px;
}

.sitemap-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--primary-color);
}

.sitemap-links {
  list-style: none;
}

.sitemap-links li {
  margin-bottom: 10px;
}

.sitemap-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.sitemap-links a:hover {
  color: var(--primary-color);
  padding-left: 8px;
}

.breadcrumb {
  padding: 20px 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-items {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  min-width: 0;
}

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

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.breadcrumb-item.active {
  color: var(--primary-color);
}

.breadcrumb-item::after {
  content: '/';
  margin-left: 8px;
  color: var(--text-light);
}

.breadcrumb-item:last-child::after {
  display: none;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-link {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  font-weight: 500;
}

.page-link:hover,
.page-link.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.page-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sidebar {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-color);
}

.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.categories-list {
  list-style: none;
}

.categories-list li {
  margin-bottom: 12px;
}

.categories-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.categories-list a:hover {
  background: rgba(99, 102, 241, 0.08);
  color: var(--primary-color);
}

.category-count {
  background: var(--bg-secondary);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tags-cloud .tag {
  cursor: pointer;
  transition: var(--transition);
}

.tags-cloud .tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.article-detail {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-sm);
}

.article-header {
  margin-bottom: 40px;
}

.article-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

.article-meta > span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: 24px;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 40px 0 20px;
  color: var(--primary-color);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 16px;
}

.article-content ul,
.article-content ol {
  margin-left: 28px;
  margin-bottom: 24px;
}

.article-content li {
  margin-bottom: 10px;
}

.social-share {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.related-articles {
  margin-top: 48px;
}

.related-articles .section-title {
  margin-bottom: 24px;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.share-btn:hover {
  background: var(--primary-color);
  color: white;
}

.app-detail-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
  color: white;
  padding: 60px 0;
}

.app-detail-info {
  display: flex;
  align-items: center;
  gap: 32px;
}

.app-detail-icon {
  width: 100px;
  height: 100px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
}

.app-detail-name {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.app-detail-meta {
  display: flex;
  gap: 24px;
  font-size: 14px;
  opacity: 0.9;
}

.app-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.app-detail-tags .tag {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.app-features {
  padding: 60px 0;
}

.feature-item {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.feature-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.feature-section:last-child {
  margin-bottom: 0;
}

.feature-section .feature-item {
  margin-bottom: 16px;
}

.feature-screenshots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.screenshot-item {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.screenshot-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.screenshot-item img {
  width: 100%;
  object-fit: cover;
  display: block;
}

.screenshot-label {
  display: block;
  padding: 12px;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
}

.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 95%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.2);
  padding: 10px 24px;
  border-radius: 20px;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 36px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  padding: 12px;
  border-radius: 50%;
  transition: var(--transition);
}

.lightbox-prev {
  left: -60px;
}

.lightbox-next {
  right: -60px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-counter {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 16px;
}

@media (max-width: 768px) {
  .feature-screenshots {
    grid-template-columns: repeat(2, 1fr);
  }

  .lightbox-prev,
  .lightbox-next {
    display: none;
  }

  .lightbox-close {
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    height: auto;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.25);
    padding: 10px 24px;
    border-radius: 20px;
  }

  .lightbox-counter {
    bottom: 20px;
  }
}

.app-articles {
  padding: 60px 0;
  background: var(--bg-primary);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
  align-items: center;
  min-width: 0;
}

.filter-item {
  padding: 10px 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.filter-item:hover,
.filter-item.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.search-form {
  display: flex;
  gap: 10px;
  min-width: 0;
  width: 300px;
}

.search-input-wrapper {
  position: relative;
  width: 100%;
}

.search-input-lg {
  width: 100%;
  padding: 12px 44px 12px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  min-width: 0;
}

.search-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 16px;
  pointer-events: none;
}

.search-input-lg:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.tags-section {
  padding: 60px 0;
  background: var(--bg-secondary);
}

.tags-page {
  padding: 60px 0;
}

.tags-header {
  text-align: center;
  margin-bottom: 48px;
}

.tags-header h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.tags-header p {
  font-size: 16px;
  color: var(--text-secondary);
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.tag-item {
  padding: 14px 32px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  min-width: 120px;
}

.tag-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--primary-color);
  color: white;
}

.tag-item-name {
  font-size: 16px;
  font-weight: 600;
}

.tag-item-count {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

.tag-item:hover .tag-item-count {
  color: rgba(255, 255, 255, 0.7);
}

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

.app-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.app-card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

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

.app-card-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.app-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.app-card-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.app-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.app-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.app-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.app-type-wechat {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.app-type-h5 {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

.app-type-app {
  background: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
}

.app-type-exe {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
}

.app-type-miniprogram {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.sticky-sidebar {
  position: sticky;
  top: 92px;
}

.related-app-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--text-primary);
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.related-app-card .app-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--primary-color);
}

.related-app-card .app-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.related-app-card .app-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.related-app-card .app-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 10px;
  font-size: 11px;
  margin-bottom: 16px;
  color: #10b981;
}

.related-app-card .btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  font-size: 14px;
}

.related-app-card .btn-outline-white:hover {
  background: var(--primary-color);
  color: white;
}

@media (max-width: 992px) {
  .app-feature-grid {
    grid-template-columns: 1fr;
  }
  
  .app-feature-card {
    flex-direction: column;
  }
  
  .app-feature-left,
  .app-feature-right {
    padding: 32px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .article-title {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    height: 72px;
    padding: 0;
    gap: 0;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    padding: 16px 20px;
    flex-direction: column;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }
  
  .nav.active {
    display: flex;
  }
  
  .burger-menu {
    display: block;
    position: absolute;
    right: 20px;
    top: 24px;
  }
  
  .hero-banner {
    padding: 40px 0;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .app-showcase {
    padding: 40px 0;
  }
  
  .app-showcase-title {
    font-size: 26px;
  }
  
  .app-feature-left,
  .app-feature-right {
    padding: 24px;
  }
  
  .app-feature-name {
    font-size: 24px;
  }
  
  .app-feature-desc {
    font-size: 14px;
  }
  
  .app-feature-icon {
    width: 60px;
    height: 60px;
    font-size: 30px;
  }
  
  .app-feature-image {
    font-size: 80px;
    height: 200px;
  }
  
  .app-feature-actions {
    flex-direction: column;
  }
  
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .scenario-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  .scenario-name {
    font-size: 12px;
    white-space: nowrap;
  }
  
  .btn {
    justify-content: center;
  }
  
  .footer {
    padding: 32px 0 20px;
  }
  
  .footer-bottom {
    padding-top: 16px;
  }
  
  .articles-section {
    padding: 40px 0;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .breadcrumb {
    padding: 16px 0;
  }
  
  .breadcrumb-items {
    font-size: 13px;
  }
  
  .section-title {
    font-size: 24px;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .card-content {
    height: auto;
    min-height: auto;
  }
  
  .feature-screenshots {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .screenshot-item img {
    height: 160px;
  }
  
  .article-detail {
    padding: 24px;
  }
  
  .article-title {
    font-size: 24px;
  }
  
  .article-meta {
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .app-detail-info {
    flex-direction: column;
    text-align: center;
  }
  
  .app-detail-name {
    font-size: 28px;
  }
  
  .feature-item {
    flex-direction: row;
    padding: 20px;
    gap: 16px;
  }
  
  .feature-icon {
    margin: 0;
    flex-shrink: 0;
  }
  
  .social-share {
    flex-direction: column;
  }
  
  .share-btn {
    justify-content: center;
  }
  
  .sitemap-container {
    padding: 24px;
  }
  
  .sitemap-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .sitemap-section h3 {
    font-size: 15px;
    margin-bottom: 10px;
  }
  
  .sitemap-links li {
    margin-bottom: 6px;
  }
  
  .sitemap-links a {
    font-size: 13px;
  }
  
  .filter-bar {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .app-card-content {
    padding: 20px;
  }
  
  .app-card-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
  
  .app-card-name {
    font-size: 18px;
  }
  
  .app-card-desc {
    font-size: 13px;
  }
  
  .app-card-tags {
    margin-bottom: 16px;
  }
  
  .search-form {
    width: 100%;
  }
  
  .search-input-wrapper {
    width: 100%;
  }
  
  .search-input-lg {
    width: 100%;
  }
  
  .tags-list {
    justify-content: flex-start;
    gap: 12px;
  }
  
  .tag-item {
    min-width: auto;
    padding: 12px 16px;
  }
  
  .tag-item-name {
    font-size: 14px;
  }
  
  .tag-item-count {
    font-size: 12px;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
  }
  
  .footer-section h3 {
    font-size: 15px;
    margin-bottom: 10px;
  }
  
  .footer-links li {
    margin-bottom: 6px;
  }
  
  .footer-links li a {
    font-size: 13px;
  }
  
  .app-feature-features {
    gap: 16px;
  }
  
  .feature-item {
    padding: 20px;
  }
  
  .feature-name {
    font-size: 15px;
  }
  
  .feature-desc {
    font-size: 13px;
  }
  
  .app-feature-actions {
    margin-top: 16px;
  }
  
  .app-feature-tags {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .tag {
    font-size: 12px;
    padding: 4px 10px;
  }
  
  .app-feature-scenarios-title {
    font-size: 15px;
    margin-bottom: 12px;
  }
  
  .scenarios-grid {
    gap: 12px;
  }
  
  .scenario-item {
    padding: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: 24px;
  }
  
  .app-feature-content {
    padding: 20px;
  }
  
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  
  .scenario-item {
    padding: 8px;
  }
  
  .scenario-icon {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  
  .scenario-name {
    font-size: 11px;
  }
  
  .app-feature-name {
    font-size: 22px;
  }
  
  .app-feature-icon {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
  
  .article-detail {
    padding: 16px;
  }
  
  .article-title {
    font-size: 22px;
  }
  
  .card-content {
    padding: 20px;
  }
  
  .card-title {
    font-size: 16px;
  }
  
  .section {
    padding: 32px 0;
  }
  
  .breadcrumb {
    padding: 12px 0;
  }
  
  .breadcrumb-items {
    font-size: 12px;
  }
  
  .app-feature-left,
  .app-feature-right {
    padding: 20px;
  }
  
  .app-feature-desc {
    font-size: 13px;
    line-height: 1.6;
  }
  
  .feature-item {
    padding: 16px;
  }
  
  .feature-name {
    font-size: 14px;
  }
  
  .feature-desc {
    font-size: 12px;
  }
  
  .feature-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  
  .tag-item {
    padding: 10px 14px;
    flex: 0 0 calc(50% - 6px);
  }
  
  .tag-item-name {
    font-size: 13px;
  }
  
  .tag-item-count {
    font-size: 11px;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 20px;
  }
  
  .footer-section h3 {
    font-size: 14px;
    margin-bottom: 8px;
  }
  
  .footer-links li {
    margin-bottom: 5px;
  }
  
  .footer-links li a {
    font-size: 12px;
  }
  
  .section-title {
    font-size: 22px;
  }
  
  .section-subtitle {
    font-size: 14px;
  }
  
  .btn {
    font-size: 14px;
    padding: 10px 20px;
  }
  
  .card-desc {
    font-size: 13px;
  }
  
  .card-author,
  .card-date {
    font-size: 12px;
  }
  
  .app-feature-scenarios-title {
    font-size: 14px;
  }
  
  .apps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .app-card-content {
    padding: 16px;
  }
  
  .app-card-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  
  .app-card-name {
    font-size: 17px;
  }
  
  .app-card-desc {
    font-size: 12px;
    margin-bottom: 12px;
  }
  
  .app-card-tags {
    margin-bottom: 12px;
  }
  
  .filter-bar {
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
  }
  
  .filter-bar span {
    flex-shrink: 0;
  }
  
  .filter-item {
    font-size: 13px;
    padding: 8px 14px;
    flex-shrink: 0;
  }
  
  .pagination {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .page-link {
    padding: 8px 12px;
    font-size: 13px;
  }
}