/* 
 * CodeMarket Pro - 高级主题样式
 * 版本: 2.0
 * 特色: 渐变背景、玻璃态效果、暗色主题、精美动画
 */

/* ============================================
   1. CSS 变量和主题配置
   ============================================ */
:root {
  /* 主色调 */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  
  /* 强调色 */
  --accent: #ec4899;
  --accent-light: #f472b6;
  --accent-dark: #db2777;
  
  /* 成功/警告/错误 */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* 中性色 */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --gradient-gold: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
  --gradient-emerald: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --shadow-glow-accent: 0 0 40px rgba(236, 72, 153, 0.3);
  
  /* 玻璃态效果 */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: blur(20px);
  
  /* 圆角 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* 字体 */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* 暗色主题变量 */
[data-theme="dark"] {
  --gray-50: #0f172a;
  --gray-100: #1e293b;
  --gray-200: #334155;
  --gray-300: #475569;
  --gray-400: #64748b;
  --gray-500: #94a3b8;
  --gray-600: #cbd5e1;
  --gray-700: #e2e8f0;
  --gray-800: #f1f5f9;
  --gray-900: #f8fafc;
  
  --glass-bg: rgba(30, 41, 59, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* ============================================
   2. 基础样式重置和全局设置
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 页面背景装饰 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ============================================
   3. 排版样式
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray-600);
}

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

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

/* ============================================
   4. 导航栏样式
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* ============================================
   5. Hero 区域样式
   ============================================ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(236, 72, 153, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
  animation: heroBackground 20s ease infinite;
}

@keyframes heroBackground {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-5%, 5%) rotate(5deg); }
  50% { transform: translate(5%, -5%) rotate(-5deg); }
  75% { transform: translate(-3%, -3%) rotate(3deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  animation: float 3s ease-in-out infinite;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: white;
  margin: 1.5rem 0;
  line-height: 1.1;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #fda085 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* 搜索框 */
.hero-search {
  position: relative;
  max-width: 650px;
  margin: 0 auto;
}

.hero-search::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  opacity: 0.5;
  filter: blur(15px);
  transition: opacity var(--transition-normal);
}

.hero-search:focus-within::before {
  opacity: 0.8;
}

.hero-search-inner {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.hero-search-icon {
  padding-left: 1.5rem;
  color: rgba(255, 255, 255, 0.5);
}

.hero-search input {
  flex: 1;
  padding: 1.25rem 1rem;
  background: transparent;
  border: none;
  outline: none;
  color: white;
  font-size: 1.1rem;
}

.hero-search input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.hero-search button {
  margin: 0.5rem;
  padding: 1rem 2rem;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-full);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.hero-search button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   6. 卡片样式
   ============================================ */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

/* 产品卡片 */
.product-card {
  position: relative;
  background: white;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

.product-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.product-card:hover .product-card-image img {
  transform: scale(1.1);
}

.product-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.25rem 0.75rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
}

.product-card-favorite {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  color: var(--gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.product-card-favorite:hover,
.product-card-favorite.active {
  background: var(--accent);
  color: white;
}

.product-card-body {
  padding: 1.5rem;
}

.product-card-category {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

.product-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.product-card-price .original {
  font-size: 0.875rem;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-left: 0.5rem;
  font-weight: 400;
}

.product-card-stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* VIP 卡片 */
.vip-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.vip-card.vip {
  background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.vip-card.svip {
  background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
}

.vip-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-2xl);
}

.vip-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.vip-card-content {
  position: relative;
  z-index: 1;
  color: white;
}

/* ============================================
   7. 按钮样式
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}

.btn-secondary:hover {
  background: var(--gray-200);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-success {
  background: var(--gradient-emerald);
  color: white;
}

.btn-warning {
  background: var(--gradient-gold);
  color: var(--gray-800);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

/* ============================================
   8. 表单样式
   ============================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  color: var(--gray-900);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

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

.form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ============================================
   9. 分类标签样式
   ============================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  background: white;
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.category-item:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.category-item.active {
  background: var(--primary-50);
  border-color: var(--primary);
}

.category-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.category-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

/* ============================================
   10. 统计卡片样式
   ============================================ */
.stat-card {
  position: relative;
  padding: 1.5rem;
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  opacity: 0.1;
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.stat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  margin-top: 0.5rem;
}

.stat-change.up {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.stat-change.down {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

/* ============================================
   11. 表格样式
   ============================================ */
.table-container {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.table td {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

.table tr:hover td {
  background: var(--gray-50);
}

.table tr:last-child td {
  border-bottom: none;
}

/* ============================================
   12. 徽章和标签样式
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-dark);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

.badge-vip {
  background: var(--gradient-emerald);
  color: white;
}

.badge-svip {
  background: var(--gradient-gold);
  color: var(--gray-800);
}

/* ============================================
   13. 分页样式
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  background: white;
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ============================================
   14. 模态框样式
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ============================================
   15. 通知样式
   ============================================ */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 1001;
  transform: translateX(120%);
  transition: transform var(--transition-normal);
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast.success .toast-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.toast.error .toast-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

/* ============================================
   16. 动画效果
   ============================================ */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-slide-up { animation: slideUp 0.5s ease forwards; }
.animate-slide-in { animation: slideIn 0.5s ease forwards; }
.animate-fade-in { animation: fadeIn 0.5s ease forwards; }
.animate-scale-in { animation: scaleIn 0.3s ease forwards; }

/* 延迟类 */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* ============================================
   17. 页脚样式
   ============================================ */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.footer-desc {
  color: var(--gray-500);
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-400);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
  color: white;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
}

/* ============================================
   18. 响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 3rem 0;
  }
  
  .hero-content {
    padding: 2rem 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-search-inner {
    flex-direction: column;
    border-radius: var(--radius-xl);
  }
  
  .hero-search button {
    width: 100%;
    margin: 0.5rem;
    border-radius: var(--radius-lg);
  }
  
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
  }
  
  .category-item {
    padding: 1rem 0.5rem;
  }
  
  .category-icon {
    font-size: 1.5rem;
  }
  
  .category-name {
    font-size: 0.75rem;
  }
  
  .stat-card {
    padding: 1rem;
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.813rem;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  .table th,
  .table td {
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
  }
}

/* ============================================
   19. 工具类
   ============================================ */
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-error { color: var(--error) !important; }

.bg-primary { background: var(--primary) !important; }
.bg-accent { background: var(--accent) !important; }
.bg-gradient { background: var(--gradient-primary) !important; }

.rounded-full { border-radius: var(--radius-full) !important; }
.rounded-2xl { border-radius: var(--radius-2xl) !important; }
.rounded-3xl { border-radius: var(--radius-3xl) !important; }

.shadow-glow { box-shadow: var(--shadow-glow) !important; }
.shadow-none { box-shadow: none !important; }

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* 选择文本样式 */
::selection {
  background: var(--primary);
  color: white;
}