/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Simple blue and white theme - Clean AI navigation */
:root {
  /* Main colors - Simple blue and white */
  --background: #ffffff;
  --foreground: #1e293b;
  --muted-foreground: #64748b;
  
  /* Card colors */
  --card: #ffffff;
  --card-foreground: #1e293b;
  --card-hover: #f8fafc;
  
  /* Border colors */
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  
  /* Primary colors - Purple */
  --primary: #8375dd;
  --primary-foreground: #ffffff;
  --primary-hover: #7264cc;
  
  /* Secondary colors - Light gray */
  --secondary: #f1f5f9;
  --secondary-foreground: #475569;
  
  /* Accent colors - Light purple */
  --accent: #f3f0ff;
  --accent-foreground: #5d44ff;
  
  /* Muted colors */
  --muted: #f8fafc;
  --muted-foreground: #64748b;
  
  /* Shadows - Soft blue-gray shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1);
  
  /* Typography */
  --font-serif: 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;
  
  /* Container width */
  --container-width: 1400px;
}

/* Dark theme - Dark blue and gray */
[data-theme="dark"] {
  --background: #0f172a;
  --foreground: #f1f5f9;
  --muted-foreground: #94a3b8;
  
  --card: #1e293b;
  --card-foreground: #f1f5f9;
  --card-hover: #334155;
  
  --border: #334155;
  --border-hover: #475569;
  
  --primary: #8375dd;
  --primary-foreground: #ffffff;
  --primary-hover: #9284ec;
  
  --secondary: #1e293b;
  --secondary-foreground: #cbd5e1;
  
  --accent: #2d1f6e;
  --accent-foreground: #c4b5fd;
  
  --muted: #1e293b;
  --muted-foreground: #94a3b8;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--background);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
  transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--foreground);
  font-weight: 600;
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: translateY(-2px);
}

.logo-icon {
  font-size: 1.75rem;
}

.logo-image {
  height: 40px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  text-decoration: none;
  color: var(--muted-foreground);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

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

.nav-link.active {
  color: var(--primary);
}

.submit-btn {
  background: #6b7280;
  color: #ffffff !important;
  padding: var(--spacing-sm) var(--spacing-lg);
}

.submit-btn:hover {
  background: #4b5563;
  color: #ffffff !important;
}

.theme-toggle {
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--secondary);
  transform: rotate(15deg);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: var(--spacing-2xl) 0;
}

/* Page Header */
.page-header {
  margin-bottom: var(--spacing-3xl);
}

.page-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--spacing-md);
}

.page-description {
  color: var(--muted-foreground);
  font-size: 1.1rem;
  max-width: 600px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.breadcrumb-item {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-item.current {
  color: var(--foreground);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--muted-foreground);
}

/* Search Section */
.search-section {
  margin-bottom: var(--spacing-3xl);
  text-align: center;
  position: relative;
}

.search-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.search-subtitle {
  color: var(--muted-foreground);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.search-box {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 9999px;
  padding: var(--spacing-xs);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.search-input-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg), 0 0 0 6px var(--accent);
  transform: translateY(-2px);
}

.search-icon,
.search-engine-icon {
  position: relative;
  left: auto;
  font-size: 1.5rem;
  color: var(--muted-foreground);
  padding: var(--spacing-sm) var(--spacing-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
}

.search-icon-image,
.search-engine-btn-image {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
}

/* 阿里图标基础样式 */
.iconfont {
  font-family: "iconfont" !important;
  font-size: inherit;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 搜索框左侧阿里图标 */
.search-engine-icon .iconfont {
  font-size: 1.5rem;
  line-height: 1;
}

/* 搜索按钮阿里图标 */
.search-engine-btn-icon .iconfont {
  font-size: 1rem;
  line-height: 1;
}

.search-input {
  flex: 1;
  min-width: 150px;
  padding: var(--spacing-md) var(--spacing-md);
  font-size: 1.05rem;
  font-family: var(--font-sans);
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--foreground);
  outline: none;
  box-shadow: none;
}

.search-input::placeholder {
  color: var(--muted-foreground);
}

.search-button {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  background: var(--primary);
  color: var(--primary-foreground);
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-button:hover {
  background: var(--primary-hover);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.search-button:active {
  transform: scale(0.98);
}

.search-engines {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.search-engine {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 9999px;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.search-engine-btn-icon {
  font-size: 1rem;
}

.search-engine-btn-name {
  font-weight: 500;
}

.search-engine:hover {
  background: var(--muted);
  color: var(--foreground);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.search-engine.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

/* Home Section */
.container section {
  margin-bottom: var(--spacing-3xl);
}

/* Section Title */
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--foreground);
}

.section-link {
  color: var(--foreground);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.section-link:hover {
  color: var(--primary);
  gap: var(--spacing-sm);
}

.section-link:hover {
  gap: var(--spacing-sm);
}

.search-results-title {
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.search-results-count {
  color: var(--muted-foreground);
  font-size: 0.95rem;
  margin-left: auto;
}

.clear-search-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.clear-search-btn:hover {
  background: var(--muted);
  color: var(--foreground);
  border-color: var(--border-hover);
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

/* Tool Card */
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  background: var(--card-hover);
}

.tool-card.featured::before {
  content: '精选';
  position: absolute;
  top: var(--spacing-md);
  right: -28px;
  background: #6b7280;
  color: #ffffff;
  padding: var(--spacing-xs) 2.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  transform: rotate(45deg);
}

.tool-card-header {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex: 1;
}

.tool-card-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--muted);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.tool-card-info {
  flex: 1;
  min-width: 0;
}

.tool-card-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--card-foreground);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-card-description {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.tool-card-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.tool-card-tag:hover {
  background: var(--accent);
  color: var(--primary);
}

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

.tool-card-stats {
  display: flex;
  gap: var(--spacing-md);
  color: var(--muted-foreground);
  font-size: 0.85rem;
}

.tool-card-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.tool-card-visit {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.tool-card-visit:hover {
  text-decoration: underline;
}

/* Categories Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.category-card:hover {
  background: var(--accent);
  border-color: var(--primary);
  transform: translateX(4px);
}

.category-card:hover::before {
  transform: scaleY(1);
}

.category-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
  border-radius: var(--radius-md);
}

.category-card:hover .category-icon {
  background: var(--primary);
  color: var(--primary-foreground);
}

.category-info {
  flex: 1;
  min-width: 0;
}

.category-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--card-foreground);
  margin-bottom: 2px;
}

.category-count {
  color: var(--muted-foreground);
  font-size: 0.85rem;
}

/* Tags Grid */
.tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
}

.tag-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.tag-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.tag-name {
  font-weight: 500;
  color: var(--card-foreground);
}

.tag-count {
  background: var(--muted);
  color: var(--muted-foreground);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

/* Detail Page - New Modern Style */
.detail-page {
  padding-bottom: var(--spacing-3xl);
}

.detail-header {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.detail-title-section {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.detail-logo {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--muted);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.detail-title-info {
  flex: 1;
}

.detail-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.detail-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.detail-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
  background: var(--card);
  color: var(--foreground);
  border: 2px solid var(--border);
}

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

.detail-section-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--spacing-lg);
}

.detail-description-text {
  color: var(--foreground);
  font-size: 1.05rem;
  line-height: 1.8;
}

.detail-tags {
  margin-bottom: var(--spacing-lg);
}

.detail-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.detail-tag {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent);
  color: var(--accent-foreground);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: all var(--transition-fast);
}

.detail-tag:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  transform: translateY(-1px);
}

/* Detail Layout */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--spacing-2xl);
}

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

.detail-sidebar {
  display: block;
}

.detail-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.detail-section:hover {
  box-shadow: var(--shadow-md);
}


}

.detail-feature-list,
.detail-step-list,
.detail-scenario-list {
  list-style: none;
  padding: 0;
}

.detail-feature-list li,
.detail-step-list li,
.detail-scenario-list li {
  position: relative;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--foreground);
  line-height: 1.7;
  padding: var(--spacing-md);
  padding-left: var(--spacing-2xl);
  background: var(--muted);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.detail-feature-list li:hover,
.detail-step-list li:hover,
.detail-scenario-list li:hover {
  background: var(--secondary);
  transform: translateX(4px);
}

.detail-feature-list li::before {
  content: '✓';
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.detail-step-list li::before {
  content: counter(step);
  counter-increment: step;
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: var(--primary-foreground);
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-step-list {
  counter-reset: step;
}

.detail-scenario-list li::before {
  content: '→';
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Sidebar - New Style */
.sidebar-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: sticky;
  top: 90px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--spacing-lg);
}

.sidebar-tool {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: var(--spacing-sm);
  border: 1px solid transparent;
}

.sidebar-tool:hover {
  background: var(--muted);
  border-color: var(--border);
  transform: translateX(4px);
}

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

.sidebar-tool-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--muted);
  flex-shrink: 0;
}

.sidebar-tool-info {
  flex: 1;
  min-width: 0;
}

.sidebar-tool-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 3px;
}

.sidebar-tool-desc {
  font-size: 0.8rem;
  color: var(--muted-foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.sidebar-tools-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.sidebar-tools-grid .tool-card {
  margin: 0;
}

.sidebar-tools-grid .tool-card-logo {
  width: 36px;
  height: 36px;
}

.sidebar-tools-grid .tool-card-name {
  font-size: 0.9rem;
}

.sidebar-tools-grid .tool-card-description {
  font-size: 0.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Submit Form */
.submit-page {
  max-width: 700px;
  margin: 0 auto;
}

.submit-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}

.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: var(--spacing-sm);
}

.form-label span {
  color: var(--primary);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  font-size: 1rem;
  font-family: var(--font-sans);
}

/* Categories Grid - Redesigned */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInScale 0.5s ease-out forwards;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card:hover::before {
  opacity: 1;
}

.category-card-icon-wrapper {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.category-card:hover .category-card-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-md);
}

.category-card-icon {
  font-size: 2rem;
  line-height: 1;
}

.category-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.category-card-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0;
  transition: color var(--transition-base);
}

.category-card:hover .category-card-name {
  color: var(--primary);
}

.category-card-desc {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.category-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}

.category-card-count {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
}

.category-card-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.category-card-label {
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

.category-card-arrow {
  font-size: 1.5rem;
  color: var(--muted-foreground);
  transition: all var(--transition-base);
}

.category-card:hover .category-card-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header .section-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  color: var(--muted-foreground);
  font-size: 1.05rem;
}

/* Category Cards V2 - Redesigned */
.category-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.category-card-v2 {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: slideUpFade 0.6s ease-out forwards;
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category-card-v2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-card-v2:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.category-card-v2:hover::before {
  opacity: 1;
}

.category-card-v2-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.category-card-v2-icon {
  font-size: 2.5rem;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.category-card-v2-count {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.category-card-v2-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.category-card-v2-label {
  font-size: 0.85rem;
  color: var(--muted-foreground);
  font-weight: 500;
}

.category-card-v2-content {
  flex: 1;
  margin-bottom: var(--spacing-lg);
}

.category-card-v2-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0 0 var(--spacing-sm) 0;
  transition: color var(--transition-base);
}

.category-card-v2:hover .category-card-v2-name {
  color: var(--primary);
}

.category-card-v2-desc {
  font-size: 0.95rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin: 0;
}

.category-card-v2-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}

/* 广告位样式 */
.qufaxian-ad {
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-lg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.qufaxian-ad ins {
  background: transparent;
}

/* 底部广告位不要宽屏，限制最大宽度为 1354px */
.qufaxian-ad-global_footer_ad {
  max-width: 1354px !important;
  width: 100% !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

@media (max-width: 768px) {
  .qufaxian-ad {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
  }
}

.category-card-v2-action {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted-foreground);
  transition: color var(--transition-base);
}

.category-card-v2:hover .category-card-v2-action {
  color: var(--primary);
}

.category-card-v2-arrow {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  transition: all var(--transition-base);
}

.category-card-v2:hover .category-card-v2-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* Category Color Variants */
.category-color-0::before { background: linear-gradient(90deg, #8375dd, #a78bfa); }
.category-color-1::before { background: linear-gradient(90deg, #06b6d4, #22d3ee); }
.category-color-2::before { background: linear-gradient(90deg, #10b981, #34d399); }
.category-color-3::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.category-color-4::before { background: linear-gradient(90deg, #ef4444, #f87171); }
.category-color-5::before { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }

.category-color-0:hover { box-shadow: 0 20px 40px -12px rgba(131, 117, 221, 0.25); }
.category-color-1:hover { box-shadow: 0 20px 40px -12px rgba(6, 182, 212, 0.25); }
.category-color-2:hover { box-shadow: 0 20px 40px -12px rgba(16, 185, 129, 0.25); }
.category-color-3:hover { box-shadow: 0 20px 40px -12px rgba(245, 158, 11, 0.25); }
.category-color-4:hover { box-shadow: 0 20px 40px -12px rgba(239, 68, 68, 0.25); }
.category-color-5:hover { box-shadow: 0 20px 40px -12px rgba(139, 92, 246, 0.25); }

/* Section Divider */
.section-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-3xl) 0 var(--spacing-2xl) 0;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-divider-text {
  padding: 0 var(--spacing-xl);
  color: var(--muted-foreground);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Category Grid Simple - No Fancy Animations */
.category-grid-simple {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.category-card-simple {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.category-card-simple:hover {
  border-color: var(--primary);
  background: var(--muted);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.category-card-simple-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
  min-width: 0;
}

.category-card-simple-icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.category-card-simple-info {
  flex: 1;
  min-width: 0;
}

.category-card-simple-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0 0 var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.category-card-simple:hover .category-card-simple-name {
  color: var(--primary);
}

.category-card-simple-desc {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  margin: 0;
  line-height: 1.4;
}

.category-card-simple-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.category-card-simple-count {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 4px;
}

.category-card-simple-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.category-card-simple-label {
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

.category-card-simple-arrow {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  transition: all var(--transition-fast);
}

.category-card-simple:hover .category-card-simple-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* Responsive for simple category cards */
@media (max-width: 768px) {
  .category-grid-simple {
    grid-template-columns: 1fr;
  }
  
  .category-card-simple {
    padding: var(--spacing-md);
  }
  
  .category-card-simple-icon {
    font-size: 1.75rem;
  }
  
  .category-card-simple-name {
    font-size: 1rem;
  }
  
  .category-card-simple-number {
    font-size: 1.25rem;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .categories-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .category-card {
    padding: var(--spacing-lg);
  }
  
  .category-card-icon-wrapper {
    width: 56px;
    height: 56px;
  }
  
  .category-card-icon {
    font-size: 1.75rem;
  }
  
  .category-card-name {
    font-size: 1.15rem;
  }
  
  .ranking-tools-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .tool-card-rank-badge {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  
  .tool-card-rank .tool-card-rank-badge {
    font-size: 0.9rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .tool-card-logo {
    width: 40px !important;
    height: 40px !important;
    flex-shrink: 0 !important;
  }
}
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--foreground);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--accent);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  color: var(--muted-foreground);
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

/* 网站截图点击放大 - Lightbox 样式 */
.screenshot-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    box-sizing: border-box;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 3rem;
    color: #ffffff;
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.2s;
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-image {
    max-width: 100%;
    max-height: calc(100vh - 80px);
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Footer */
.footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.footer-section h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--foreground);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted-foreground);
  font-size: 0.9rem;
}

.footer-icp-link {
  color: var(--muted-foreground) !important;
  text-decoration: none !important;
  transition: color var(--transition-fast);
}

.footer-icp-link:hover {
  color: var(--muted-foreground) !important;
  text-decoration: none !important;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--primary-foreground);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 1000;
}

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

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

/* Responsive Design */
@media (max-width: 1440px) {
  :root {
    --container-width: 1140px;
  }
}

@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
  }
  
  .search-title {
    font-size: 2.5rem;
  }
  
  .search-icon {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 1.2rem;
  }
  
  .search-input {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
  }
  
  .search-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  
  .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
  
  .detail-title-section {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .detail-logo {
    width: 80px;
    height: 80px;
  }
  
  .detail-meta {
    justify-content: center;
  }
  
  .detail-layout {
    grid-template-columns: 1fr;
  }
  
  .detail-sidebar {
    display: none;
  }
  
  .detail-website-screenshot-section {
    border-radius: var(--radius-md);
  }
  
  .detail-website-screenshot-large {
    object-fit: cover;
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 540px;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .navbar-content {
    height: 60px;
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
  }
  
  .logo-text {
    display: none;
  }
  
  .logo-image {
    height: 32px;
    max-width: 100px;
  }
  
  .search-title {
    font-size: 2rem;
  }
  
  .search-subtitle {
    font-size: 1rem;
    padding: 0 var(--spacing-md);
  }
  
  .search-input-wrapper {
    flex-direction: column;
    gap: var(--spacing-xs);
    background: var(--card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    border: 2px solid var(--border);
  }
  
  .search-input-wrapper:focus-within {
    transform: none;
  }
  
  .search-icon {
    display: none;
  }
  
  .search-input {
    width: 100%;
    min-width: auto;
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: 1rem;
    text-align: center;
  }
  
  .search-input::placeholder {
    text-align: center;
  }
  
  .search-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
  }
  
  .search-engines {
    justify-content: center;
    padding: 0 var(--spacing-md);
  }
  
  .page-title {
    font-size: 1.75rem;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
  
  .search-results-title {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .search-results-count {
    margin-left: 0;
  }
  
  .clear-search-btn {
    width: 100%;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .detail-title {
    font-size: 1.75rem;
  }
  
  .detail-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .submit-form {
    padding: var(--spacing-lg);
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .ranking-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .ranking-tab {
    white-space: nowrap;
  }
  
  .ranking-item {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .ranking-number {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
  
  .ranking-logo {
    width: 40px;
    height: 40px;
  }
  
  .ranking-stats {
    display: none;
  }
  
  .back-to-top {
    width: 44px;
    height: 44px;
    bottom: 1.5rem;
    right: 1.5rem;
  }
  
  .tool-card-logo {
    width: 40px !important;
    height: 40px !important;
    flex-shrink: 0 !important;
  }
}

/* Categories Grid New Layout */
.categories-grid-new {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-4xl);
}

@media (max-width: 1024px) {
  .categories-grid-new {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .categories-grid-new {
    grid-template-columns: 1fr;
  }
}

.category-card-new {
  opacity: 0;
  animation: slideInUp 0.5s ease-out forwards;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category-card-link {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.category-card-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary), transparent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.category-card-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.category-card-link:hover::before {
  transform: scaleX(1);
}

.category-card-new-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.category-card-new-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.category-card-link:hover .category-card-new-icon {
  background: var(--primary);
  color: var(--primary-foreground);
  transform: scale(1.1);
}

.category-card-new-info {
  flex: 1;
  min-width: 0;
}

.category-card-new-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--card-foreground);
  margin-bottom: var(--spacing-xs);
}

.category-card-new-desc {
  color: var(--muted-foreground);
  font-size: 0.95rem;
  line-height: 1.6;
}

.category-card-new-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border);
}

.category-card-new-count {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
}

.category-card-new-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.category-card-new-label {
  color: var(--muted-foreground);
  font-size: 0.85rem;
}

.category-card-new-arrow {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  color: var(--muted-foreground);
  transition: all var(--transition-base);
}

.category-card-link:hover .category-card-new-arrow {
  background: var(--primary);
  color: var(--primary-foreground);
  transform: translateX(4px);
}

/* Categories List Layout */
.categories-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-4xl);
}

.category-list-item {
  opacity: 0;
  animation: slideInUp 0.5s ease-out forwards;
}

.category-list-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-decoration: none;
  transition: all var(--transition-base);
}

.category-list-link:hover {
  background: var(--muted);
  border-color: var(--primary);
  transform: translateX(4px);
}

.category-list-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.category-list-link:hover .category-list-icon {
  background: var(--primary);
  color: var(--primary-foreground);
}

.category-list-info {
  flex: 1;
  min-width: 0;
}

.category-list-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--card-foreground);
  margin-bottom: 4px;
}

.category-list-desc {
  color: var(--muted-foreground);
  font-size: 0.9rem;
}

.category-list-count {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
  margin-right: var(--spacing-md);
}

.category-list-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.category-list-label {
  color: var(--muted-foreground);
  font-size: 0.85rem;
}

.category-list-arrow {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  color: var(--muted-foreground);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .category-list-link {
    flex-wrap: wrap;
    padding: var(--spacing-md);
  }
  
  .category-list-icon {
    width: 48px;
    height: 48px;
    font-size: 1.75rem;
  }
  
  .category-list-name {
    font-size: 1.05rem;
  }
  
  .category-list-count {
    width: 100%;
    margin-top: var(--spacing-sm);
    margin-right: 0;
    order: 3;
  }
  
  .category-list-arrow {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }
}

/* Category List Arrow Hover - Force White Color */
.category-list-link:hover .category-list-arrow {
  background: var(--primary) !important;
  color: #ffffff !important;
  transform: translateX(4px);
}

/* Ranking Page Styles */
.ranking-page {
  padding-bottom: var(--spacing-3xl);
}

.ranking-tabs {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.ranking-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--muted-foreground);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ranking-tab:hover {
  background: var(--muted);
  color: var(--foreground);
  border-color: var(--border-hover);
}

.ranking-tab.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.ranking-list {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.ranking-item:hover {
  background: var(--muted);
}

.ranking-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
  color: var(--muted-foreground);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.ranking-item:nth-child(1) .ranking-number {
  background: linear-gradient(135deg, #ffd700, #ffb347);
  color: #fff;
}

.ranking-item:nth-child(2) .ranking-number {
  background: linear-gradient(135deg, #c0c0c0, #a8a8a8);
  color: #fff;
}

.ranking-item:nth-child(3) .ranking-number {
  background: linear-gradient(135deg, #cd7f32, #b8860b);
  color: #fff;
}

.ranking-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--muted);
  flex-shrink: 0;
}

.ranking-info {
  flex: 1;
  min-width: 0;
}

.ranking-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 4px;
}

.ranking-description {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ranking-stats {
  display: flex;
  gap: var(--spacing-lg);
  color: var(--muted-foreground);
  font-size: 0.9rem;
}

.ranking-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Captcha Styles */
.captcha-group {
  margin-bottom: var(--spacing-md);
}

.captcha-wrapper {
  margin-bottom: var(--spacing-sm);
}

.captcha-input-wrapper {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
}

.captcha-input {
  flex: 1;
  max-width: 150px;
}

.captcha-canvas {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--muted);
}

.captcha-canvas:hover {
  border-color: var(--primary);
}

/* Comment Styles */
.comment-form {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border);
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.no-comments {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--muted-foreground);
}

.no-comments-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.no-comments-text {
  font-size: 1.05rem;
}

.comment-item {
  background: var(--muted);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.comment-item:hover {
  background: var(--secondary);
}

.comment-header {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  align-items: center;
}

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.comment-info {
  flex: 1;
}

.comment-name {
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 2px;
}

.comment-date {
  font-size: 0.85rem;
  color: var(--muted-foreground);
}

.comment-content {
  color: var(--foreground);
  line-height: 1.7;
  padding-left: 56px;
}

.reply-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.reply-btn:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.reply-form-container {
  margin-top: var(--spacing-md);
  padding-left: 56px;
}

.reply-form {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.reply-form .form-group {
  margin-bottom: var(--spacing-md);
}

.reply-form .form-label {
  font-size: 0.9rem;
}

.reply-form .form-input {
  font-size: 0.95rem;
}

.reply-form .captcha-group {
  margin-bottom: var(--spacing-md);
}

.reply-form .captcha-input-wrapper {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
}

.reply-form .captcha-input {
  flex: 1;
  max-width: 150px;
}

.reply-form-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.comment-replies {
  margin-top: var(--spacing-md);
  padding-left: 56px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.comment-reply {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  position: relative;
}

.comment-reply::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 24px;
  width: 12px;
  height: 1px;
  background: var(--border);
}

.comment-reply .comment-avatar {
  width: 32px;
  height: 32px;
  font-size: 0.9rem;
}

.comment-reply .comment-name {
  font-size: 0.9rem;
}

.comment-reply .comment-date {
  font-size: 0.8rem;
}

.comment-reply .comment-content {
  padding-left: 44px;
  font-size: 0.95rem;
}

.comment-reply .reply-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
}

/* Responsive for comments */
@media (max-width: 768px) {
  .reply-form-container {
    padding-left: 0;
  }
  
  .reply-form-actions .btn {
    width: 100%;
  }
  
  .reply-form .captcha-input-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .reply-form .captcha-input {
    max-width: 100%;
    width: 100%;
  }
  
  .comment-replies {
    padding-left: 0;
  }
  
  .comment-reply .comment-content {
    padding-left: 44px;
  }
}

/* ============================================
   22. 一句话描述样式
   ============================================ */

.detail-short-desc {
    font-size: 1.05rem;
    color: var(--muted-foreground);
    margin: 8px 0 16px 0;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border);
    line-height: 1.6;
    font-weight: 500;
}

/* ============================================
   23. 网站截图模块样式
   ============================================ */

.detail-website-screenshot-section {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border);
    background: var(--muted);
}

.detail-website-screenshot-large {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* ============================================
   24. 工具详情新增模块样式
   ============================================ */

.tool-detail-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tool-detail-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 12px;
    background: var(--muted);
    border-radius: 8px;
    line-height: 1.6;
}

.tool-detail-list-item:last-child {
    margin-bottom: 0;
}

.tool-detail-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-top: 2px;
}

.tool-detail-icon-check {
    width: 20px;
    height: 20px;
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: 50%;
    font-size: 12px;
}

.tool-detail-icon-number {
    width: 26px;
    height: 26px;
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: 50%;
    font-size: 13px;
}

.tool-detail-icon-arrow {
    width: 20px;
    height: 20px;
    color: var(--primary);
    font-size: 16px;
    font-weight: bold;
}




/* =====================================================
   筛选栏样式
   ===================================================== */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--spacing-xl);
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.filter-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
  white-space: nowrap;
}

.filter-options {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.filter-option {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-foreground);
  background: transparent;
  transition: all var(--transition-fast);
}

.filter-option:hover {
  background: var(--secondary);
  color: var(--foreground);
}

.filter-option.active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.filter-option.active:hover {
  background: var(--primary-hover);
}

/* 首页主布局 */
.home-main-layout {
    display: flex;
    gap: 0;
    margin-top: var(--spacing-2xl);
}

/* 左侧栏 */
.home-sidebar {
    width: 260px;
    flex-shrink: 0;
    padding-right: var(--spacing-xl);
    border-right: 1px solid var(--border);
}

.home-sidebar-nav {
    position: sticky;
    top: 100px;
}

.home-sidebar-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary);
}

.home-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.home-sidebar-item {
    margin: 0;
    padding: 0;
}

.home-sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-md);
    color: var(--foreground);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    line-height: 1.4;
}

.home-sidebar-link:hover {
    background: var(--accent);
    color: var(--primary);
}

.home-sidebar-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.home-sidebar-name {
    flex: 1;
    font-weight: 500;
}

.home-sidebar-count {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* 主内容区 */
.home-main-content {
    flex: 1;
    padding-left: var(--spacing-xl);
    min-width: 0;
}

/* 移动端隐藏左侧栏 */
@media (max-width: 1024px) {
    .home-main-layout {
        flex-direction: column;
    }
    
    .home-sidebar {
        display: none;
    }
    
    .home-main-content {
        padding-left: 0;
    }
}